EP2807445A1 - Procédé de production du plancher d'un véhicule protégé contre les mines - Google Patents

Procédé de production du plancher d'un véhicule protégé contre les mines

Info

Publication number
EP2807445A1
EP2807445A1 EP13700165.7A EP13700165A EP2807445A1 EP 2807445 A1 EP2807445 A1 EP 2807445A1 EP 13700165 A EP13700165 A EP 13700165A EP 2807445 A1 EP2807445 A1 EP 2807445A1
Authority
EP
European Patent Office
Prior art keywords
vehicle
vehicle floor
sheet metal
floor
mine
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
Application number
EP13700165.7A
Other languages
German (de)
English (en)
Other versions
EP2807445B1 (fr
Inventor
Stephan Schaare
Martin Östreicher
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.)
Rheinmetall MAN Military Vehicles GmbH
Original Assignee
Rheinmetall MAN Military Vehicles GmbH
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 Rheinmetall MAN Military Vehicles GmbH filed Critical Rheinmetall MAN Military Vehicles GmbH
Publication of EP2807445A1 publication Critical patent/EP2807445A1/fr
Application granted granted Critical
Publication of EP2807445B1 publication Critical patent/EP2807445B1/fr
Priority to HRP20181275TT priority Critical patent/HRP20181275T1/hr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F41H7/00—Armoured or armed vehicles
    • F41H7/02—Land vehicles with enclosing armour, e.g. tanks
    • F41H7/04—Armour construction
    • F41H7/042—Floors or base plates for increased land mine protection

Definitions

  • the invention relates to a designed as Tailored Biank vehicle floor for a particular mine protected vehicle and relates to a method for producing the vehicle floor of a mine-protected vehicle, wherein the vehicle floor consists of several, interconnected individual sheets of armored steel.
  • the invention further relates to a vehicle floor produced by the method according to the invention. It is essential here that the individual sheets are initially welded, followed by the forming followed by the final tempering.
  • An alternative consists of a combination of forming and tempering process.
  • Vehicle floors of mine-protected vehicles must be designed such that on the one hand tearing of the vehicle floor in the event of a mine explosion is prevented and on the other hand caused by a mine explosion bumps in the vehicle floor damage the existing fittings in the vehicle.
  • the vehicle floor must provide protection against ballistic threats, on the one hand against splinters exploding mines and on the other hand against a weapons firing, especially in the transition region of the vehicle floor to the vehicle side.
  • tempered individual steel sheets made of armor steel are usually welded by means of a MIG process (metal inert gas process), the individual sheets having partially different wall thicknesses overlapping in the region of the weld seam.
  • MIG process metal inert gas process
  • Such welds form weak points, since they have a lower strength than the steel armor.
  • the welding process in the respective heat affected zone embrittles the material, so that these areas are particularly susceptible to cracking in a mine explosion. From EP 1 564 520 A2 it is therefore known to cover the weld seams together with their heat affected zones by protective sheets, which however is associated both with an increase in weight and with a more time-consuming production process of the corresponding vehicle floor.
  • EP 1 291 610 B1 deals with an armored vehicle which, by simple measures, ensures protection of the interior against the action of mines.
  • the bottom region of a side wall recess of the interior is connected to the vehicle roof via at least one kink-like or structural support element.
  • the edge of a bottom wall of the bottom portion is curved upward and overlaps a wall portion of the vehicle body wall which is welded to a different wall portion. This has a wavy course. This is to prevent tearing of the weld.
  • the invention has for its object to provide a method of the type mentioned above, with a simple way in a mine explosion tearing of the vehicle floor in the region of welds is avoided without requiring a reinforcement of the weld seams by means of additional sheets is required. It should also be disclosed by this method produced vehicle floor.
  • the invention is based essentially on the use of tailored bianks.
  • TWB Tailored Welded Blank
  • the individual, preferably tailor-made sheet metal blanks are welded together. This is usually done as a butt joint by laser welding.
  • Advantageous are the versatile combinations of materials and geometries. In continuation, these consist of armored steel, from which the contour of the respective vehicle floor is then produced by cold or hot forming.
  • For producing the tailored bianks normalized individual sheets of appropriate wall thicknesses are used, which are connected to one another by means of laser beam welding.
  • Such an approach for the automotive industry is the http: //www.thyssenkrupptai! oredblanks.it default.asp?
  • the Taiiored Bianks are tempered for their own concern of the invention, however, only after the welding process and then then the final vehicle floor is made by forming.
  • heat treatment is preferred as a heat treatment as in steels, ie a combination of hardening and tempering.
  • the carbon is first dissolved in austenite at temperatures above Ac (3) and then quenched to temperatures below M ⁇ s) or M (f). Tempering is then reheating after quenching to temperatures below Ac (1) to achieve conversion to cubic martensite, as well as the precipitation of fine carbides and optionally further coagulation of these particles.
  • Fig. 1 is a perspective view of a vehicle floor produced by the process according to the invention from a sheet of Panzerstah! for a mine-protected vehicle and
  • Fig. 2 shows a longitudinal section through a sheet metal plate (Taiiored Blank), which is composed of individual sheets of different wall thickness, for the production of the vehicle floor shown in Fig. 1.
  • 1 shows an inventive vehicle floor ⁇ vehicle pan) and / or intermediate floor of a mine-protected vehicle (not shown in more detail), which has essentially two U-shaped sections 2 and 3.
  • the two U-shaped sections 2, 3 each comprise an outer leg 4 and an inner leg 5, the two inner legs 5 of the U-shaped sections 2, 3 forming a tunnel-shaped section 6.
  • tunnel-shaped portion 6 has a wall thickness of for example 10 mm and the bottom portions 7 between the two legs 4, 5 of the U-shaped sections 2, 3 each have a wall thickness of 12 mm, since they are particularly affected in a mine explosion of the pressure wave and also to protect the vehicle interior of the corresponding vehicle from splinters.
  • the outer legs 4 of the two U-shaped sections 2, 3 are composed of two sections 8, 9 together.
  • the first section 8 also has a wall thickness of for example 12 mm and the subsequent second section 9 has a wall thickness of 15 mm, since the section 9 is particularly endangered by direct Beschus.
  • FIG. 2 shows the longitudinal section through a sheet-metal blank (designated blank) designated before the forming or after welding or tempering, from which the vehicle floor 1 according to the invention (FIG. 1) is produced by forming.
  • the sheet metal blank 10 is composed of seven individual sheets 11 -17.
  • the respective width and the wall thickness of the individual sheets 1 1-7 correspond to the sections designated by 8, 9, 7 and 6 in FIG.
  • the individual sheets 1 1-17 are preferably welded together by laser welding (preferably as a butt joint) at their juxtaposed sides, so that the weld seams designated by 18-23 in FIG. 2 result.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Body Structure For Vehicles (AREA)
  • Laser Beam Processing (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

L'invention concerne un procédé de production du plancher (1) d'un véhicule protégé contre les mines, le plancher de véhicule (1) comprenant plusieurs tôles individuelles (11-17) en acier de blindage, reliées entre elles. L'invention concerne en outre un plancher de véhicule (1), produit conformément au procédé de l'invention. L'objectif de l'invention est d'éviter, d'une manière simple, un arrachement du plancher du véhicule (1) dans la zone des soudures lors de l'explosion d'une mine. Cet objectif est atteint au moyen de flans raboutés (10) en acier de blindage, à partir desquels le contour de chaque plancher de véhicule (1) est ensuite produit par formage à froid ou à chaud. Pour la production des flans raboutés (10), on utilise des tôles individuelles (11-17) normalisées, d'épaisseurs de paroi correspondantes, qui sont assemblées entre elles par soudage au laser. Ces flans raboutés (10) ne sont trempés et revenus qu'après soudage, le plancher de véhicule (1) définitif étant ensuite produit par formage.
EP13700165.7A 2012-01-23 2013-01-10 Procédé de production du plancher d'un véhicule protégé contre les mines Active EP2807445B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
HRP20181275TT HRP20181275T1 (hr) 2012-01-23 2018-08-09 Postupak proizvodnje poda vozila za vozilo zaštićeno od mina

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012001117A DE102012001117A1 (de) 2012-01-23 2012-01-23 Verfahren zur Herstellung des Fahrzeugbodens eines minengeschützten Fahrzeuges
PCT/EP2013/050401 WO2013110505A1 (fr) 2012-01-23 2013-01-10 Procédé de production du plancher d'un véhicule protégé contre les mines

Publications (2)

Publication Number Publication Date
EP2807445A1 true EP2807445A1 (fr) 2014-12-03
EP2807445B1 EP2807445B1 (fr) 2018-06-06

Family

ID=47553080

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13700165.7A Active EP2807445B1 (fr) 2012-01-23 2013-01-10 Procédé de production du plancher d'un véhicule protégé contre les mines

Country Status (6)

Country Link
EP (1) EP2807445B1 (fr)
DE (1) DE102012001117A1 (fr)
DK (1) DK2807445T3 (fr)
ES (1) ES2681825T3 (fr)
HR (1) HRP20181275T1 (fr)
WO (1) WO2013110505A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103715865A (zh) * 2013-12-20 2014-04-09 西安科技大学 一种矿用变频器专用散热器
DE102015122410A1 (de) 2015-12-21 2017-06-22 GEDIA Gebrüder Dingerkus GmbH Verfahren zur Herstellung von Bauteilen mit veredelten Bereichen vorwiegend aus Metall sowie ein Bauteil mit veredelten Bereichen
DE102015122395A1 (de) 2015-12-21 2017-06-22 GEDIA Gebrüder Dingerkus GmbH Verfahren zur Herstellung von kalt- und/oder warmumgeformten Bauteilen im Wesentlichen aus Metall und/oder Metallblech sowie kalt- und/oder warmumgeformtes Bauteil im Wesentlichen aus Metall und/oder Metallblech
DE102015122396A1 (de) 2015-12-21 2017-06-22 GEDIA Gebrüder Dingerkus GmbH Verfahren zur Herstellung eines Verbundbauteiles/Verbundproduktes sowie Verbundbauteil/Verbundprodukt
DE102020107664A1 (de) * 2020-03-19 2021-09-23 Rheinmetall MAN Military Vehicles Österreich GesmbH Fahrerhaus und Nutzfahrzeug
DE102020003671A1 (de) 2020-06-19 2021-12-23 Martin Werz Verfahren zur Herstellung eines Bauteilsystems und Bauteilsystem

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2257525T3 (es) 2001-09-06 2006-08-01 Mowag Gmbh Vehiculo blindado.
AT413885B (de) 2004-02-05 2006-07-15 Steyr Daimler Puch Ag Wanne eines gepanzerten fahrzeuges
US6971691B1 (en) * 2004-06-25 2005-12-06 Shape Corporation Vehicle bumper beam
DE102005014298B4 (de) * 2005-03-24 2006-11-30 Benteler Automobiltechnik Gmbh Panzerung für ein Fahrzeug
WO2008031210A1 (fr) * 2006-09-15 2008-03-20 Algoma Steel Inc. Procédé de fabrication d'un assemblage soudé
DE102007001720A1 (de) * 2007-01-11 2008-07-17 GM Global Technology Operations, Inc., Detroit Sitzquerträger für ein Kraftfahrzeug
DE102007039998B4 (de) * 2007-08-23 2014-05-22 Benteler Defense Gmbh & Co. Kg Panzerung für ein Fahrzeug
EP2289770A1 (fr) * 2009-08-28 2011-03-02 ThyssenKrupp Steel Europe AG Tôle à flans mince soudés traitée anti-corrosion pour un véhicule automobile et son procédé de fabrication
DE102009050997B4 (de) * 2009-10-28 2017-07-13 Volkswagen Ag Verfahren und Umformvorrichtung zur Herstellung eines formgehärteten Bauteils

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2013110505A1 *

Also Published As

Publication number Publication date
HRP20181275T1 (hr) 2018-11-16
WO2013110505A1 (fr) 2013-08-01
ES2681825T3 (es) 2018-09-17
DE102012001117A1 (de) 2013-07-25
EP2807445B1 (fr) 2018-06-06
DK2807445T3 (en) 2018-08-13

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