An armor protection device of a double-layer flexible net structure

Abstract

The utility model relates to vehicle protection device technical field, specifically disclose a kind of armored protection device of double-layer flexible net structure. Including folding support, first protection lower frame, protection flexible cloth, first protection upper frame, second protection frame and flexible net, folding support is fixedly installed on the vehicle body, first protection lower frame is fixedly installed on the folding crossbeam of folding support, first protection upper frame is installed on first protection lower frame, protection flexible cloth is clamped between first protection lower frame and first protection upper frame, second protection frame is installed above first protection upper frame, flexible net is fixedly installed on second protection frame. Double-layer interception device design is adopted, first layer interception is formed by second protection frame and flexible net, second layer protection is formed by first protection upper frame and first protection lower frame clamping protection flexible cloth, armor protection efficiency is enhanced by using the mechanism of changing impact angle and detonating in advance trigger fuse.

Description

Technical Field

[0001] This utility model relates to the field of vehicle protection device technology, and in particular to an armor protection device with a double-layer flexible mesh structure. Background Technology

[0002] With the technological development of modern battlefields, drones and loitering munitions are widely used, and offensive weapons targeting armored vehicles and special vehicles are developing rapidly. In particular, small drones, with their flexible maneuverability, can precisely control the collision angle of munitions, thereby controlling armor-piercing metal jets to directly attack armor at a large angle. Even a small amount of explosive can cause significant damage to armor, posing a strong threat to traditional special vehicles.

[0003] Armor-piercing projectiles work by detonating upon approaching armor, generating a metal jet that penetrates and damages the armor. The projectile's internal structure and metallic materials create overpressure upon impact, generating a powerful kinetic jet. Proximity detonation and high-angle impact during penetration are crucial for enhancing armor-piercing effectiveness. To counteract the damage to vehicle armor from such weapons, existing technologies, such as the composite additional slat armor system platform described in Chinese Patent Publication No. CN119826634A, install protective slats around the vehicle where the armor is weaker. The slats detonate the attacking ammunition prematurely, significantly improving protection by interfering with and deflecting the angle of attack of armor-piercing weapons. However, the slats have a significant structural mass. The vehicle's original armor is already extremely thick; adding metal or other materials around the vehicle increases the mass further, complicating the vehicle's power system and impacting its mobility. Furthermore, existing grilles, when damaged, resist impact and metal jet damage by sacrificing their own structure. Due to their large size and weight, spare parts cannot be carried and timely repairs cannot be made. Therefore, existing grilles lose their protective capabilities after being damaged once. Utility Model Content

[0004] The purpose of this invention is to provide an armor protection device with a double-layer flexible mesh structure to solve the problems existing in the prior art.

[0005] This utility model is implemented by the following technical solution: an armor protection device with a double-layer flexible mesh structure, including a folding bracket, a first lower protective frame, a protective flexible cloth, a first upper protective frame, a second protective frame, and a flexible mesh. The folding bracket is fixedly installed on the vehicle body. The first lower protective frame is fixedly installed on the folding crossbeam of the folding bracket. The first upper protective frame is installed on the first lower protective frame. The protective flexible cloth is sandwiched between the first lower protective frame and the first upper protective frame. The second protective frame is installed above the first upper protective frame. The flexible mesh is fixedly installed on the second protective frame.

[0006] Furthermore, a boss is integrally formed on the top surface of the first protective lower frame, and several protrusions are provided on the top surface of the boss. A groove is provided at the bottom of the first protective upper frame to engage with the boss. The first protective lower frame and the first protective upper frame are connected by bolts.

[0007] Furthermore, the folding bracket includes a folding crossbeam, a folding column, fixed hinges, and a locking mechanism. Several fixed hinges are fixedly installed on the surface of the vehicle body, and a locking mechanism is hinged to each fixed hinge. A folding column is installed on the locking mechanism, and a folding crossbeam is provided above the folding column. The folding crossbeam is hinged to the folding column.

[0008] Furthermore, the locking mechanism includes a folding sleeve, a fixed bracket, a locking link, and an eccentric wheel handle; a fixed bracket is fixedly installed on the rear side of each fixed hinge, and a slot is provided on the fixed bracket. A locking link is hinged to the folding sleeve, and the locking link is movably placed in the slot. One end of the locking link is hinged to the folding sleeve, and the other end of the locking link is hinged to an eccentric wheel handle. The eccentric wheel part of the eccentric wheel handle abuts against the rear side of the fixed bracket, and the folding sleeve is inserted into the folding column.

[0009] Furthermore, a connecting hole is provided on the folding sleeve, and a pin hole corresponding to the position of the connecting hole is provided on the folding column. A fixing pin plate is sandwiched between the fixing bracket and the folding sleeve. The fixing pin plate includes a base plate and a fixing pin, and the fixing pin passes through the connecting hole and the pin hole in sequence.

[0010] Furthermore, the flexible net is made of aramid braided rope and ultra-high molecular weight polyethylene braided rope mixed and woven in a volume ratio of 1:1, and the protective flexible fabric is aramid fiber woven fabric.

[0011] Advantages of this utility model:

[0012] 1. A double-layer interception device is formed by sandwiching a protective flexible cloth between a first protective upper frame and a first protective lower frame, and a second protective frame and a flexible net. The device provides protection for the vehicle armor by using a pre-triggered fuse to detonate and changing the impact angle. The first protective upper frame and the first protective lower frame are interlocked and have interlocking bosses and grooves, which can quickly and easily tension the protective flexible cloth and facilitate the replacement of the protective flexible cloth.

[0013] 2. Furthermore, the folding bracket can be folded down to improve the vehicle's maneuverability when passing through narrow spaces;

[0014] 3. The protective flexible fabric and flexible net are lightweight, do not increase the vehicle's load, and can be replaced at any time after damage. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0016] Figure 2 This is a partial structural cross-sectional view of the first protective upper frame and the first protective lower frame.

[0017] Figure 3 This is a schematic diagram of a partial structure at the locking mechanism.

[0018] Figure 4 This is a partial structural diagram of the fixing pin plate.

[0019] In the diagram: 1. Folding bracket; 2. First protective lower frame; 3. Protective flexible fabric; 4. First protective upper frame; 5. Second protective frame; 6. Flexible net; 7. Fixing pin plate; 101. Folding crossbeam; 102. Folding column; 103. Fixing hinge; 104. Locking mechanism; 201. Boss; 202. Spike; 1021. Pin hole; 1041. Folding sleeve; 1042. Fixing bracket; 1043. Locking link; 1044. Eccentric wheel handle; 1045. Slot; 1046. Eccentric wheel part; 1047. Connecting hole; 401. Groove; 701. Base plate; 702. Fixing pin. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] like Figures 1-4As shown: A double-layer flexible mesh structure armor protection device includes a folding bracket 1, a first lower protective frame 2, a protective flexible cloth 3, a first upper protective frame 4, a second protective frame 5, and a flexible mesh 6. The folding bracket 1 is fixedly installed on the vehicle body. The first lower protective frame 2 is fixedly installed on the folding crossbeam 101 of the folding bracket 1. The first upper protective frame 4 is installed on the first lower protective frame 2. The protective flexible cloth 3 is sandwiched between the first lower protective frame 2 and the first upper protective frame 4. The second protective frame 5 is installed above the first upper protective frame 4. The flexible mesh 6 is fixedly installed on the second protective frame 5. The flexible mesh 6 is placed above the protective flexible cloth 3 as the first interception device. The flexible mesh 6 is made of aramid braided rope and ultra-high molecular weight polyethylene braided rope mixed in a volume ratio of 1:1. The protective flexible cloth 3 is aramid fiber woven cloth. The double-layer design features a flexible net 6 that collides with the fuse of an armor-piercing projectile, detonating it prematurely and providing protection. If the projectile is small or passes through the gaps in the flexible net 6, the protective flexible cloth 3 intercepts it, triggering the fuse prematurely. Both the flexible net 6 and the protective flexible cloth 3 are made of lightweight materials, allowing spare parts to be carried on board for immediate repair and replacement after damage from an attack.

[0022] The flexible net 6 and the protective flexible cloth 3 are spaced approximately 10-30cm apart. The farther the flexible net 6 is from the protected vehicle body, the earlier the armor-piercing projectile will be intercepted and detonated. The farther the vehicle body armor is from the explosion, the less damage and penetration depth it will suffer from the metal jet. Therefore, the farther the flexible net 6 is from the vehicle body, the better the protection effect. However, due to the limitations of the vehicle's passability and mobility, a reasonable distance should be set according to the strength level of the vehicle armor.

[0023] The top surface of the first protective lower frame 2 is integrally formed with a boss 201 and a number of protrusions 202 on the top surface of the boss 201. The bottom of the first protective upper frame 4 is provided with a groove 401 that engages with the boss 201. The first protective lower frame 2 and the first protective upper frame 4 are connected by bolts. The protective flexible fabric 3 is designed as a detachable structure, which is fixed by the first lower protective frame 2 and the first upper protective frame 4 pressing each other together. In order to ensure the interception effect, the protective flexible fabric 3 needs to maintain a certain tension. At the same time, in order to facilitate quick tensioning and flattening of the protective flexible fabric 3 during replacement, it is provided with a structure of protrusions 201 and grooves 401. During installation, the protective flexible fabric 3 is first pre-tensioned and hung on each of the protrusions 202 for temporary fixation. Then, the first upper protective frame 4 is fastened. When the first upper protective frame 4 is pressed, the protective flexible fabric 3 is pressed into the groove 401 by the protrusions 201. The groove 401 needs to accommodate a certain length of the protective flexible fabric 3. Therefore, the protective flexible fabric 3 is tensioned during the pressing process.

[0024] Meanwhile, this device is also designed to be foldable, so that when it is necessary to pass through narrow spaces, the folding bracket 1 can be folded down to reduce the height of the device and improve the vehicle's passability. The folding bracket 1 includes a folding crossbeam 101, a folding column 102, a fixed hinge 103 and a locking mechanism 104. Several fixed hinges 103 are fixedly installed on the surface of the vehicle body. A locking mechanism 104 is hinged to each fixed hinge 103. A folding column 102 is installed on the locking mechanism 104. A folding crossbeam 101 is provided above the folding column 102. The folding crossbeam 101 is hinged to the folding column 102.

[0025] The locking mechanism 104 includes a folding sleeve 1041, a fixed bracket 1042, a locking link 1043, and an eccentric wheel handle 1044. A fixed bracket 1042 is fixedly installed on the rear side of each fixed hinge 103. A slot 1045 is provided on the fixed bracket 1042. The locking link 1043 is hinged to the folding sleeve 1041. The locking link 1043 is movably placed in the slot 1045. One end of the locking link 1043 is hinged to the folding sleeve 1041, and the other end of the locking link 1043 is hinged to the eccentric wheel handle 1044. The eccentric wheel part 1046 of the eccentric wheel handle 1044 abuts against the rear side of the fixed bracket 1042. The folding sleeve 1041 is inserted and connected to the folding column 102.

[0026] A connecting hole 1047 is provided on the folding sleeve 1041, and a pin hole 1021 corresponding to the position of the connecting hole 1047 is provided on the folding column 102. A fixing pin plate 7 is sandwiched between the fixing bracket 1042 and the folding sleeve 1041. The fixing pin plate 7 includes a base plate 701 and a fixing pin 702. The fixing pin 702 passes through the connecting hole 1047 and the pin hole 1021 in sequence.

[0027] In the description of this utility model, it should be noted that the terms "center", "upper", "lower", "front", "rear", "top", "bottom", "left", "right", "vertical", "horizontal", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

Claims

1. An armor protection device of a double-layered flexible net structure, characterized in that, The system includes a folding bracket (1), a first protective lower frame (2), a protective flexible cloth (3), a first protective upper frame (4), a second protective frame (5), and a flexible net (6). The folding bracket (1) is fixedly installed on the vehicle body. The first protective lower frame (2) is fixedly installed on the folding crossbeam (101) of the folding bracket (1). The first protective upper frame (4) is installed on the first protective lower frame (2). The protective flexible cloth (3) is sandwiched between the first protective lower frame (2) and the first protective upper frame (4). The second protective frame (5) is installed above the first protective upper frame (4). The flexible net (6) is fixedly installed on the second protective frame (5).

2. An armor protection device of a double-layered flexible net structure according to claim 1, characterized in that, The first protective lower frame (2) has an integrally formed boss (201) on the top surface and several protrusions (202) on the top surface of the boss (201). The bottom of the first protective upper frame (4) has a groove (401) that engages with the boss (201). The first protective lower frame (2) and the first protective upper frame (4) are connected by bolts.

3. An armor protection device of a double-layered flexible net structure according to claim 2, characterized in that, The folding bracket (1) includes a folding crossbeam (101), a folding column (102), a fixed hinge (103), and a locking mechanism (104). Several fixed hinges (103) are fixedly installed on the surface of the vehicle body. A locking mechanism (104) is hinged on each fixed hinge (103). A folding column (102) is installed on the locking mechanism (104). A folding crossbeam (101) is provided above the folding column (102). The folding crossbeam (101) is hinged to the folding column (102).

4. An armor protection device of a double-layered flexible net structure according to claim 3, characterized in that, The locking mechanism (104) includes a folding sleeve (1041), a fixed bracket (1042), a locking link (1043), and an eccentric wheel handle (1044). A fixed bracket (1042) is fixedly installed on the rear side of each fixed hinge (103), and a slot (1045) is provided on the fixed bracket (1042). The locking link (1043) is hinged to the folding sleeve (1041) to lock. The connecting rod (1043) is movably placed in the slot (1045). One end of the locking connecting rod (1043) is hinged to the folding sleeve (1041), and the other end of the locking connecting rod (1043) is hinged to the eccentric wheel handle (1044). The eccentric wheel part (1046) of the eccentric wheel handle (1044) abuts against the rear side of the fixed card seat (1042). The folding sleeve (1041) is inserted and connected to the folding column (102).

5. An armor protection device of a double-layered flexible net structure according to claim 4, characterized in that, A connecting hole (1047) is provided on the folding sleeve (1041), and a pin hole (1021) corresponding to the position of the connecting hole (1047) is provided on the folding column (102). A fixing pin plate (7) is sandwiched between the fixing bracket (1042) and the folding sleeve (1041). The fixing pin plate (7) includes a base plate (701) and a fixing pin (702). The fixing pin (702) passes through the connecting hole (1047) and the pin hole (1021) in sequence.

6. An armor protection device of double-layered flexible net structure according to any one of claims 1-5, characterized in that, The flexible net (6) is made of aramid braided rope and ultra-high molecular weight polyethylene braided rope mixed in a volume ratio of 1:1, and the protective flexible cloth (3) is aramid fiber braided cloth.

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