EP2585789A1 - An armour mounting system for a vehicle - Google Patents

An armour mounting system for a vehicle

Info

Publication number
EP2585789A1
EP2585789A1 EP11729440.5A EP11729440A EP2585789A1 EP 2585789 A1 EP2585789 A1 EP 2585789A1 EP 11729440 A EP11729440 A EP 11729440A EP 2585789 A1 EP2585789 A1 EP 2585789A1
Authority
EP
European Patent Office
Prior art keywords
armour
vehicle
mounting system
elongate member
flexible bracket
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.)
Withdrawn
Application number
EP11729440.5A
Other languages
German (de)
French (fr)
Inventor
Stuart Bridewell
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.)
UK Secretary of State for Defence
Original Assignee
UK Secretary of State for Defence
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 UK Secretary of State for Defence filed Critical UK Secretary of State for Defence
Publication of EP2585789A1 publication Critical patent/EP2585789A1/en
Withdrawn legal-status Critical Current

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
    • F41H5/00—Armour; Armour plates
    • F41H5/013—Mounting or securing armour plates
    • 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
    • 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

Definitions

  • This invention relates to an armour mounting system for attaching armour to a vehicle and more particularly to an armour mounting system for a vehicle, to facilitate resilient support of armour elements during vehicle manoeuvre.
  • weight is also a significant constraint for all vehicle armour systems to reduce the stress and burden placed upon the vehicle and for fuel efficiency. Therefore the weight of all the elements, particularly those which do not contribute directly to ballistic protection must be minimised.
  • WO 2009/126053 A1 provides for a flexible armour mounting system using springs capable of absorbing energy from a missile impact.
  • the present invention aims to address the limitations of known mounting systems by providing an armour mounting system for attaching armour to a vehicle, which will reduce damage to the attached armour and the mounting system during manoeuvre.
  • the present invention provides an armour mounting system for attaching armour to a vehicle comprising a flexible bracket, the flexible bracket comprising an elongate member extending between vehicle attachment means and armour attachment means wherein the elongate member is resilient such that in use an attached armour element is returned to its initial position after a temporary displacement.
  • the armour mounting system utilises a flexible bracket which is attached between a vehicle and amour element.
  • An elongate member is used to provide flexibility between the vehicle and armour element.
  • the elongate member may be a rod of resilient material; however it is preferably a length of wire rope because it provides the necessary combined properties of rigidity and resilience and is a weight efficient solution.
  • the armour mounting system provides a degree of energy absorption from missile impact but has the further advantage of absorbing energy created by vehicle movement.
  • a disadvantage of WO 2009/126053 A1 is the potential for armour to oscillate or resonate rapidly during vehicle movement. The resonance of such a system will inevitably place stress on the attachment points of the mounting system. The invention addresses this problem by using wire rope.
  • Wire rope is more suitable than a spring because it has a lower Q factor, therefore it has more damping. This means that when the armour is disturbed by an external force such as a vehicle moving, the armour will not oscillate so much, reducing the stress on the attachment means such as brackets. A spring requiring an equivalent Q factor to wire rope would be much heavier, which is disadvantageous to an armour mounting system.
  • the wire rope can be connected between the vehicle and armour using end plates. Steel rope 12mm in diameter and 270mm in length has been found capable of supporting armour elements weighing 900grams per square meter.
  • Sufficient support means that there is no sagging of the armour elements while enough resilience is inherent in the steel rope to return the armour element to its original position in a timely manner after the armour element has been deflected due to vehicle manoeuvres.
  • a person skilled in the art will appreciate that the length and diameter of wire rope can be adjusted to provide the correct balance of resilience and rigidity dependent upon the weight of armour being supported.
  • steel rope is used for the elongate member and a person skilled in the art will appreciate that variants of steel, such as stainless steel or galvanised steel can be used to provide a corrosive resistant capability.
  • steel such as stainless steel or galvanised steel
  • the use of heavy duty rubber is an alternative to wire rope but has problems with degradation due to the continuous stresses and strains resulting from
  • the elongate member is connected between the vehicle and armour using metal end plates with sockets.
  • a metal end plate can be connected to the vehicle and armour using bolts, screws, welding or other means commonly known in the art.
  • the ends of the elongate member can be inserted into the sockets.
  • the sockets can be attached to the end plates by welding or adhesive.
  • the ends of the elongate member can also be held in the sockets by welding or adhesive. If the elongate member is comprised of wire rope, swaging the ends can improve the connection quality between the wire rope and the sockets. This allows the ends of the elongate member, once inserted into the sockets to be welded into position or held in place with adhesive. Alternatively bolts or screws inserted through the side walls of the sockets can be used to clamp the ends in place. It will be appreciated that the types of connection methods used will be dependent on the vehicle and armour system chosen.
  • the armour mounting system can include a lanyard positioned between the vehicle and the armour.
  • the lanyard can be positioned at the top of the vehicle between the vehicle and the armour to prevent downward movement of the armour.
  • the lanyard will be comprised of a robust material like steel wire.
  • the lanyard can be connected between the vehicle and armour in a variety of ways including bolting one end of the lanyard to the vehicle above the armour mounting system and connecting the other end to the attachment means of the armour, such as a metal plate.
  • the armour mounting system and lanyard need not be limited to armour attached to the side of a vehicle but can be used to protect the top or beneath the vehicle.
  • Other methods of preventing downward movement of the armour include rigid sacrificial brackets connected between the vehicle and armour. If the armour is attached to the side of the vehicle, the rigid sacrificial brackets are positioned at the top of the vehicle between the vehicle and the armour. The rigid sacrificial brackets will prevent sag but will break if excessive force is experienced due to vehicle movement, preventing damage to the vehicle, armour or armour mounting system.
  • the armour mounting system can provide more resilience if a second elongate member is aligned in parallel. For example, two lengths of wire rope can be aligned one above the other. This will provide more resilience when heavier armour is attached on the side of a vehicle, especially in the vertical plane where sag is more likely to occur. It would be beneficial for a plurality of such armour mounting systems to support several armour elements. Furthermore a plurality of armour mounting systems could be deployed over a vehicle so that several armour elements can be attached, providing greater protective coverage of the vehicle.
  • Figure 1 a illustrates a 3 dimensional cut away view of an embodiment of the invention
  • figure 1b shows the same view but with the flexible member having been pushed sideways.
  • Figure 2 shows an alternative embodiment of the invention using an additional elongate member.
  • Figure 1a and figure 1b illustrate a 3 dimensional cut away view of an
  • Vehicle mounting bracket 2 is intended to be attached to a vehicle (not shown).
  • the armour mounting bracket 3 is connected to the inside of the armour elements 4 to be carried by the vehicle, in this case a plurality of armour panels.
  • a bracket bolt 5, which is one of four, extends from the rear of the armour mounting bracket 3.
  • the bracket bolt 5 and three other bracket bolts are used to clamp armour mounting bracket 3 to the armour elements 4.
  • the design of the brackets 2 and 3 is specific to the armour and vehicle and the bracket location on the vehicle to be fitted.
  • Figure 1a shows brackets 2 and 3 having two hollow cylindrical sections 7 and 8. The two hollow cylindrical sections 7 and 8 hold the ends of elongate member 6 in place using bolts or grub screws (not shown).
  • the elongate member 6 has swaged ends which make it easier for the grub screws or bolts to hold the ends in position.
  • Figure 1 b shows a lateral bend in the elongate member 6.
  • a lanyard 9 is used to limit the extent of movement of the elongate member 6 in the vertical plane, to help support the armour elements 4 from sagging.
  • the axes of movement 10 show the possible directions the armour elements 4 can move in during vehicle manoeuvres using the lanyard 9 in this manner.
  • the lanyard 9 can be held in place by a bolt on the body of the vehicle above the mounting position.
  • the other end of the lanyard 9 may be attached to one of four bolts in the armour mounting bracket 3.
  • Figure 2a and figure 2b show an alternative embodiment of the invention, where an additional elongate member can be used to provide more vertical support to the armour elements and stiffen movement.
  • the elongate members provide more stiffness, especially in the direction of their alignment.
  • Figure 2a and figure 2b show that there is more flexibility in the horizontal axis of the armour elements because the elongate members are aligned vertically. A lanyard can still be used to limit movement if required.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Clamps And Clips (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)

Abstract

An armour mounting systems comprising a flexible bracket (1) for attaching armour to a vehicle, the flexible bracket (1) comprising an elongate member (6) connected between a vehicle and an attached armour elements (4). The elongate member is resilient enough to support the attached armour elements and return the armour elements to their normal resting position following disturbance. The armour mounting system is beneficial in reducing damage to attached armour during manoeuvre.

Description

An Armour Mounting System for a Vehicle
Field of Invention
This invention relates to an armour mounting system for attaching armour to a vehicle and more particularly to an armour mounting system for a vehicle, to facilitate resilient support of armour elements during vehicle manoeuvre.
It is known that many vehicles designed to provide maximum protection for passengers currently use additional or attached armour elements by mounting such elements to the outside of the vehicle. The additional armour can provide enhanced protection against a multitude of threats. Such additional armour elements are generally mounted on the vehicle by means of rigid mounts.
However, movement over rough terrain can cause damage to the attached armour and/or the mounting system itself. Weight is also a significant constraint for all vehicle armour systems to reduce the stress and burden placed upon the vehicle and for fuel efficiency. Therefore the weight of all the elements, particularly those which do not contribute directly to ballistic protection must be minimised.
WO 2009/126053 A1 provides for a flexible armour mounting system using springs capable of absorbing energy from a missile impact.
Summary of the Invention
The present invention aims to address the limitations of known mounting systems by providing an armour mounting system for attaching armour to a vehicle, which will reduce damage to the attached armour and the mounting system during manoeuvre.
Accordingly the present invention provides an armour mounting system for attaching armour to a vehicle comprising a flexible bracket, the flexible bracket comprising an elongate member extending between vehicle attachment means and armour attachment means wherein the elongate member is resilient such that in use an attached armour element is returned to its initial position after a temporary displacement.
The armour mounting system utilises a flexible bracket which is attached between a vehicle and amour element. An elongate member is used to provide flexibility between the vehicle and armour element. The elongate member may be a rod of resilient material; however it is preferably a length of wire rope because it provides the necessary combined properties of rigidity and resilience and is a weight efficient solution. The armour mounting system provides a degree of energy absorption from missile impact but has the further advantage of absorbing energy created by vehicle movement. A disadvantage of WO 2009/126053 A1 is the potential for armour to oscillate or resonate rapidly during vehicle movement. The resonance of such a system will inevitably place stress on the attachment points of the mounting system. The invention addresses this problem by using wire rope. Wire rope is more suitable than a spring because it has a lower Q factor, therefore it has more damping. This means that when the armour is disturbed by an external force such as a vehicle moving, the armour will not oscillate so much, reducing the stress on the attachment means such as brackets. A spring requiring an equivalent Q factor to wire rope would be much heavier, which is disadvantageous to an armour mounting system. The wire rope can be connected between the vehicle and armour using end plates. Steel rope 12mm in diameter and 270mm in length has been found capable of supporting armour elements weighing 900grams per square meter. Sufficient support means that there is no sagging of the armour elements while enough resilience is inherent in the steel rope to return the armour element to its original position in a timely manner after the armour element has been deflected due to vehicle manoeuvres. A person skilled in the art will appreciate that the length and diameter of wire rope can be adjusted to provide the correct balance of resilience and rigidity dependent upon the weight of armour being supported.
Preferably steel rope is used for the elongate member and a person skilled in the art will appreciate that variants of steel, such as stainless steel or galvanised steel can be used to provide a corrosive resistant capability. The use of heavy duty rubber is an alternative to wire rope but has problems with degradation due to the continuous stresses and strains resulting from
supporting armour elements during manoeuvre. Other materials such as carbon fibre, sprung steel or a bi-metallic strip could be utilised. A person skilled in the art will appreciate that using such materials; the design of the elongate member would need to be adjusted to provide the correct level of resilience to material mass ratio.
Preferably the elongate member is connected between the vehicle and armour using metal end plates with sockets. A metal end plate can be connected to the vehicle and armour using bolts, screws, welding or other means commonly known in the art. Preferably by attaching a socket to each metal end plate, the ends of the elongate member can be inserted into the sockets. The sockets can be attached to the end plates by welding or adhesive. The ends of the elongate member can also be held in the sockets by welding or adhesive. If the elongate member is comprised of wire rope, swaging the ends can improve the connection quality between the wire rope and the sockets. This allows the ends of the elongate member, once inserted into the sockets to be welded into position or held in place with adhesive. Alternatively bolts or screws inserted through the side walls of the sockets can be used to clamp the ends in place. It will be appreciated that the types of connection methods used will be dependent on the vehicle and armour system chosen.
For heavier armour or where a limitation of the degree of armour movement is required, the armour mounting system can include a lanyard positioned between the vehicle and the armour. When the armour is mounted onto the side of the vehicle the lanyard can be positioned at the top of the vehicle between the vehicle and the armour to prevent downward movement of the armour. Preferably the lanyard will be comprised of a robust material like steel wire. A person skilled in the art will appreciate that the lanyard can be connected between the vehicle and armour in a variety of ways including bolting one end of the lanyard to the vehicle above the armour mounting system and connecting the other end to the attachment means of the armour, such as a metal plate. By connecting the lanyard in such a way will ensure that downward movement of the armour is limited, effectively preventing sag. It will be appreciated that the armour mounting system and lanyard need not be limited to armour attached to the side of a vehicle but can be used to protect the top or beneath the vehicle. Other methods of preventing downward movement of the armour include rigid sacrificial brackets connected between the vehicle and armour. If the armour is attached to the side of the vehicle, the rigid sacrificial brackets are positioned at the top of the vehicle between the vehicle and the armour. The rigid sacrificial brackets will prevent sag but will break if excessive force is experienced due to vehicle movement, preventing damage to the vehicle, armour or armour mounting system.
The armour mounting system can provide more resilience if a second elongate member is aligned in parallel. For example, two lengths of wire rope can be aligned one above the other. This will provide more resilience when heavier armour is attached on the side of a vehicle, especially in the vertical plane where sag is more likely to occur. It would be beneficial for a plurality of such armour mounting systems to support several armour elements. Furthermore a plurality of armour mounting systems could be deployed over a vehicle so that several armour elements can be attached, providing greater protective coverage of the vehicle.
Brief Description of Drawings
An example of the present invention will now be given with reference to the accompanying drawings in which:
Figure 1 a illustrates a 3 dimensional cut away view of an embodiment of the invention, figure 1b shows the same view but with the flexible member having been pushed sideways.
Figure 2 shows an alternative embodiment of the invention using an additional elongate member.
Specific Description
Figure 1a and figure 1b illustrate a 3 dimensional cut away view of an
embodiment of the invention 1. Vehicle mounting bracket 2 is intended to be attached to a vehicle (not shown). The armour mounting bracket 3 is connected to the inside of the armour elements 4 to be carried by the vehicle, in this case a plurality of armour panels. A bracket bolt 5, which is one of four, extends from the rear of the armour mounting bracket 3. The bracket bolt 5 and three other bracket bolts are used to clamp armour mounting bracket 3 to the armour elements 4. The design of the brackets 2 and 3 is specific to the armour and vehicle and the bracket location on the vehicle to be fitted. Figure 1a shows brackets 2 and 3 having two hollow cylindrical sections 7 and 8. The two hollow cylindrical sections 7 and 8 hold the ends of elongate member 6 in place using bolts or grub screws (not shown). The elongate member 6 has swaged ends which make it easier for the grub screws or bolts to hold the ends in position. Figure 1 b shows a lateral bend in the elongate member 6. In this embodiment a lanyard 9 is used to limit the extent of movement of the elongate member 6 in the vertical plane, to help support the armour elements 4 from sagging. The axes of movement 10 show the possible directions the armour elements 4 can move in during vehicle manoeuvres using the lanyard 9 in this manner. The lanyard 9 can be held in place by a bolt on the body of the vehicle above the mounting position. The other end of the lanyard 9 may be attached to one of four bolts in the armour mounting bracket 3.
Figure 2a and figure 2b show an alternative embodiment of the invention, where an additional elongate member can be used to provide more vertical support to the armour elements and stiffen movement. The elongate members provide more stiffness, especially in the direction of their alignment. Figure 2a and figure 2b show that there is more flexibility in the horizontal axis of the armour elements because the elongate members are aligned vertically. A lanyard can still be used to limit movement if required.

Claims

Claims
1 . An armour mounting system for attaching armour to a vehicle comprising a flexible bracket, the flexible bracket comprising an elongate member extending between vehicle attachment means and armour attachment means wherein the elongate member is resilient such that in use an attached armour element is returned to its initial position after a temporary displacement.
2. An armour mounting system according to claim 1 wherein the elongate member comprises wire rope.
3. An armour mounting system according to claim 1 or claim 2 wherein the elongate member comprises steel rope.
4. An armour mounting system according to claim 2 or claim 3 wherein the elongate member comprises swaged ends.
5. An armour mounting system according to any preceding claim wherein the vehicle attachment means and armour attachment means are provided with sockets adapted to receive the ends of the elongate member.
6. An armour mounting system according to any preceding claim wherein the flexible bracket comprises a plurality of elongate members aligned in parallel.
7. An armour mounting system according to any preceding claim further comprising a lanyard connectable between a vehicle and an armour element to limit the movement of the flexible bracket.
8. An armour mounting system according to claim 7 wherein the lanyard comprises steel wire.
9. An armour mounting system according to any of claims 1 to 6 further comprising a rigid sacrificial bracket connectable between a vehicle and an armour element to limit the movement of the flexible bracket.
10. An armoured vehicle comprising one or more armour mounting systems according to claims 1 to 9.
1 1 . An armour mounting system for attaching armour to a vehicle
substantially as herein described with reference to the accompanying drawings.
EP11729440.5A 2010-06-22 2011-06-20 An armour mounting system for a vehicle Withdrawn EP2585789A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB1010419.8A GB201010419D0 (en) 2010-06-22 2010-06-22 Flexible bracket for vehicle armour
PCT/GB2011/000914 WO2011161399A1 (en) 2010-06-22 2011-06-20 An armour mounting system for a vehicle

Publications (1)

Publication Number Publication Date
EP2585789A1 true EP2585789A1 (en) 2013-05-01

Family

ID=42582761

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11729440.5A Withdrawn EP2585789A1 (en) 2010-06-22 2011-06-20 An armour mounting system for a vehicle

Country Status (4)

Country Link
US (1) US20130092017A1 (en)
EP (1) EP2585789A1 (en)
GB (2) GB201010419D0 (en)
WO (1) WO2011161399A1 (en)

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Publication number Priority date Publication date Assignee Title
IL232110A (en) 2014-04-13 2015-11-30 Plasan Sasa Ltd Armor coupler
CA2961407C (en) 2014-09-17 2021-05-18 Siemens Aktiengesellschaft Bullet-resistant electrical installation
PL4405631T3 (en) * 2021-09-07 2026-02-23 Tomasz Kasendra Multilayer ballistic barrier and a method of making the multilayer ballistic barrier

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Also Published As

Publication number Publication date
GB2481510B (en) 2012-09-19
GB2481510A (en) 2011-12-28
WO2011161399A1 (en) 2011-12-29
GB201010419D0 (en) 2010-08-04
US20130092017A1 (en) 2013-04-18
GB201110175D0 (en) 2011-08-03

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