阅读说明：本技术 一种可展开式伴飞诱饵 (Deployable formula companion flies bait ) 是由 张逸群 全奕多 周云生 王伟魁 孙玉彬 王如志 杨东武 杨癸庚 张家铖 于 2021-01-07 设计创作，主要内容包括：本发明涉及导弹突破反导技术领域,具体涉及一种可展开式伴飞诱饵,其特征是：至少包括：可展开骨架、基层薄膜、红外辐射器件、弹性薄膜支撑圈、雷达波反射弹头、控制系统；弹性薄膜支撑圈由多组不同直径组成,由小直径到大直径从伞端到伞底间隔固定在可展开骨架中心轴的外圈,伞体形状的基层薄膜包围绕着弹性薄膜支撑圈,伞体的底部是控制系统,可展开骨架为依靠弹性势能展开的无源可展开伞状结构。它提供一种较高收纳比的可展开式伴飞诱饵,用来增加诱饵弹的携带数量,提高突防率。(The invention relates to the technical field of missile breakthrough counterguidance, in particular to an extensible accompanying flying bait, which is characterized in that: at least comprises the following steps: the device comprises an expandable framework, a base layer film, an infrared radiation device, an elastic film support ring, a radar wave reflection warhead and a control system; the elastic film support ring is composed of a plurality of groups of different diameters, the elastic film support ring is fixed on the outer ring of the central shaft of the expandable framework at intervals from the umbrella end to the umbrella bottom from the small diameter to the large diameter, the base film in the shape of the umbrella body surrounds the elastic film support ring, the control system is arranged at the bottom of the umbrella body, and the expandable framework is a passive expandable umbrella-shaped structure which is expanded by means of elastic potential energy. It provides an expandable accompanying flying bait with a high receiving ratio, which is used for increasing the carrying quantity of bait bullets and improving the penetration rate.)

1. An expandable companion fly bait, comprising: at least comprises the following steps: the device comprises an expandable framework (17), a base layer film (1), an infrared radiation device (3), an elastic film support ring (2), a radar wave reflection warhead (4) and a control system (5); the elastic film support ring (2) is composed of a plurality of groups of different diameters, the diameters from small to large are fixed on the outer ring of the central shaft of the expandable framework (17) at intervals from the umbrella end to the umbrella bottom, the umbrella-shaped base layer film (1) surrounds the elastic film support ring (2), the bottom of the umbrella body is provided with a control system (5), and the expandable framework (17) is a passive expandable umbrella-shaped structure which is expanded by elastic potential energy; the elastic film support ring (2) is used for completely unfolding the base film (1) and preventing the conical surface from sinking; the missile body is conical in working state, the infrared radiation device (3) is attached to the outside of the base layer film (1), the radar wave reflection warhead (4) is fixed at the top of the expandable framework (17), the radar wave reflection warhead (4) and the infrared radiation device (3) are passive devices and used for misleading enemy locking, and the control system (5) is responsible for adjusting the flying posture when the missile body is in a reentry state.

2. The deployable companion fly bait according to claim 1, wherein: the infrared radiation device (3) is an active or passive device.

3. The deployable companion fly bait according to claim 1, wherein: the infrared radiation device (3) is of a flexible structure or a folding mechanism, when the elastic body folding device works, the infrared radiation device (3) and the base film (1) are folded together under the state that the elastic body is folded, and no gap exists at the position of a crease line when the elastic body folding device is folded; the control element in the bottom control system (5) is used for connecting the cartridge and the circuit, and the initiating explosive device can be adopted to disconnect the cartridge from the mother bullet during launching.

4. The deployable companion fly bait according to claim 1, wherein: the expandable frame (17) comprises: the umbrella frame comprises a framework base (6), an umbrella end movable disc (9), an extension rod connecting disc (10), a cone end extension rod (11), a bullet connecting disc (12), an umbrella end long rod (7) and an umbrella end short rod (8); the umbrella end unfolding mechanism is connected with the cone end four-stage unfolding mechanism to form an expandable accompanying flying bait matrix, and is connected with the control system (5).

5. The deployable companion fly bait according to claim 4, wherein: umbrella end expansion mechanism's umbrella end expansion disc (9) and skeleton base (6) have interval distribution's connecting hole along the dish limit, umbrella end quarter butt (8) are connected on skeleton base (6) through the connecting hole respectively, form the bottom base supporter, a plurality of umbrella end stock (7) one end are connected on the connecting hole of umbrella end expansion disc (9), the other end and the intermediate junction of umbrella end quarter butt (8), there is the through-hole at umbrella end expansion disc (9) and skeleton base (6) center, an umbrella end fixed disk (16) bottom is located and is put at skeleton base (6) central point, the other end passes the centre bore of umbrella end expansion disc (9), be connected with extension bar connection pad (10) central bottom of awl end level four expansion mechanism.

6. The deployable companion fly bait according to claim 4, wherein: umbrella end expansion mechanism's umbrella end expansion disc (9), umbrella end fixed disk (16) and control system (5) connect through inside cable net, inside cable net divide into connecting cable and support cable, the connecting cable passes elastic film lock ring (2) and connects warhead connection pad (12) and umbrella end stock (7), the profile that the support cable is used for supporting basic unit's film (1), keep the profile precision, prevent to cave in, the connecting cable is used for maintaining the internal tension after the projectile body expandes balanced.

7. The deployable companion fly bait according to claim 4, wherein: the hinged parts among the framework base (6), the umbrella end long rod (7), the umbrella end short rod (8) and the umbrella end movable disk (9) are all connected through torsion springs and are used for providing power for enabling the umbrella end to overcome the internal tension of the elastomer to be unfolded in place and locked.

8. The deployable companion fly bait according to claim 4, wherein: the number of the extension rod connecting discs (10) is 4, the extension part is divided into 5 layers, the warhead connecting disc (12) is positioned at the top end of the expandable framework (17), the warhead connecting disc is connected with a reflection warhead, the extension rod (11) at the conical end is of a double-rod structure, and the double rods are positioned by the three extension rod connecting discs (10) side by side; the bullet-shaped bullet comprises four sections of eight conical end extension rods (11), each extension rod is fixedly connected with a connecting disc in the bullet direction and is connected with a connecting disc sliding pair in the bullet tail direction, each two sections of conical end extension rods (11) cross through the extension rod connecting discs (10) in a cross manner to avoid mutual obstruction, and one end of each section of conical end extension rod in sliding connection with the extension rod connecting discs (10) passes through a limiting hole; the extension bar connecting disc (10) is of a disc-shaped structure, 8 through holes are formed in the middle of the extension bar connecting disc, two hole positions are limiting holes, the limiting hole positions are determined according to the positions of extension bars of each section, only two corresponding rods of the four extension bar connecting discs need to be limited after the connecting discs are unfolded, the limiting holes of the two corresponding rods of each extension bar connecting disc limiting of the four extension bar connecting discs are identical in structure, a locking block (13) and a force application spring (14) are arranged in the holes, and the limiting holes are fixedly arranged in open holes of a connecting disc shell (15); the locking blocks (13) of the extension bar connecting disc (10) are positioned inside two sides of the corresponding hole positions, the locking blocks (13) adjust the locking force by adjusting the screwing degree of the bolts, and two groups are arranged in each disc.

9. The deployable companion fly bait according to claim 4, wherein: the umbrella end unfolding mechanism is arranged at the bottom, the cone end four-stage unfolding mechanism is arranged at the top, the umbrella end unfolding mechanism is used for unfolding an umbrella body of the framework, the cone end four-stage unfolding mechanism is used for extending out a cone end of the umbrella, the cone end four-stage unfolding mechanism is provided with a binding band, when the umbrella body is unfolded, the cone end binding band is firstly disconnected, the cone end four-stage unfolding mechanism is unfolded in place before the umbrella end unfolding mechanism, a groove corresponding to a hole position locking block (13) which is the same as an extension rod connecting disc (10) is arranged at the tail part of a cone end extension rod (11), a spring is not needed to continuously provide thrust after the cone end is unfolded in place, the umbrella end is unfolded in place after the cone end is in place, torsion springs are additionally arranged at hinged parts among the framework base (6), the umbrella end long rod (7), the umbrella end short rod (8) and the umbrella end movable; the framework is compact in structure when being folded, and the storage ratio is greatly improved; when the umbrella is folded, the umbrella end and the cone end are both restrained by the binding bands, so that the umbrella is prevented from being unfolded accidentally.

10. The deployable companion fly bait according to claim 1, wherein: the base layer film (1) is axially folded by adopting a sector folding method based on Kawasaki and the former Chuan theorem when being folded, the conical surface can be axially folded by the method without damaging the conical surface, the height of the conical surface is reduced, and then the film is circumferentially coiled and folded, so that the conical surface can be completely folded and the outer side of the framework.

Technical Field

The invention relates to the technical field of missile breakthrough counterguidance, in particular to an extensible accompanying flying bait.

Background

When the missile is intercepted by the reverse guidance system, the interception is divided into high-altitude interception and low-altitude interception. The former is used for intercepting missiles entering the outside of the atmosphere; the latter is used to intercept the missile entering the sky above the target. Because the tail end interception difficulty is higher, and shock waves and radiation are possibly accompanied when large-scale killer warheads are carried in the interception, the high-altitude interception missile is generally regarded as important.

Along with the progress of the counterguidance technology of military countries in the world, the interception rate of missiles is continuously increased. In order to enable the missile to break through and intercept smoothly, the common method is to use multiple warheads to cooperate to break through and prevent, on one hand, increase the back pressure, and on the other hand, realize the strategic intention of hitting multiple targets by one-time launching.

At present, the intercepting technology aiming at multiple warheads is also continuously improved, in order to ensure that a back-leading system is successfully broken through, the number of the warheads can only be continuously improved, but the number of the warheads is limited by the size of a fairing and is difficult to have increased space. Accordingly, there is a great deal of interest in bait bombs that have the same interference effect but are carried in large numbers.

Disclosure of Invention

In view of the above-mentioned need for new bait cartridges, the present invention provides an expandable flight bait with a high storage ratio, which is used to increase the carrying number of the bait cartridges and increase the rate of penetration.

The invention is realized by the following technical scheme, and the expandable accompanying flying bait is characterized in that: at least comprises the following steps: the device comprises an expandable framework 17, a base layer film 1, an infrared radiation device 3, an elastic film support ring 2, a radar wave reflection bullet 4 and a control system 5; the elastic film support ring 2 consists of a plurality of groups of different diameters, the diameters from small to large are fixed on the outer ring of the central shaft of the expandable framework 17 at intervals from the umbrella end to the umbrella bottom, the umbrella-shaped base film 1 surrounds the elastic film support ring 2, the bottom of the umbrella body is provided with a control system 5, and the expandable framework 17 is a passive expandable umbrella-shaped structure which is expanded by elastic potential energy; the elastic film support ring 2 is used for completely unfolding the base film 1 and preventing the conical surface from sinking; the projectile body is conical in working state, the infrared radiation device 3 is attached to the outside of the base layer film 1, the radar wave reflection warhead 4 is fixed at the top of the deployable framework 17, the radar wave reflection warhead 4 and the infrared radiation device 3 are passive devices and used for misleading enemy locking, and the control system 5 is responsible for adjusting the flying posture when the projectile body reenters.

The infrared radiation device 3 can be replaced by an active device.

The infrared radiation device 3 needs to have high flexibility or a gap is reserved at the crease of the base film 1, so that the infrared radiation device and the base film 1 are not damaged when being folded together in a folded state of the elastomer; the bottom of the shell of the control system 5 is used for connecting the cartridge and the circuit before launching, and the connection between the cartridge and the mother bullet can be disconnected by adopting an initiating explosive device during launching.

The expandable frame 17 includes: the umbrella frame comprises a frame base 6, an umbrella end movable disc 9, an extension rod connecting disc 10, a cone end extension rod 11, a bullet connecting disc 12, an umbrella end long rod 7 and an umbrella end short rod 8; the umbrella end movable disc 9, the umbrella end long rod 7 and the umbrella end short rod 8 form an umbrella end unfolding mechanism, the extension rod connecting disc 10 and the cone end extension rod 11 form a cone end four-stage unfolding mechanism, the umbrella end unfolding mechanism and the cone end four-stage unfolding mechanism are connected to form an extensible accompanying flying bait matrix, and the umbrella end unfolding mechanism is connected with the control system 5.

Umbrella end expansion mechanism's umbrella end expansion disc 9 and skeleton base 6 have interval distribution's connecting hole along the dish limit, umbrella end quarter butt 8 is connected on skeleton base 6 through the connecting hole respectively, form the bottom base supporter, a plurality of umbrella end stock 7 one end are connected on the connecting hole of umbrella end expansion disc 9, the other end and the intermediate junction of umbrella end quarter butt 8, there is the through-hole at umbrella end expansion disc 9 and 6 centers of skeleton base, 16 bottoms of an elastomer main shaft umbrella end fixed disk are located at 6 central points of skeleton base, the other end passes the centre bore of umbrella end expansion disc 9, be connected with the central bottom of extension bar connection pad 10 of awl end level four expansion mechanism.

The internal cable net is divided into a connecting cable and a supporting cable, the connecting cable penetrates through the elastic film supporting ring 2 to be connected with the warhead connecting disc 12 and the umbrella end long rod 7, the supporting cable is used for supporting the molded surface of the base film 1, the molded surface precision is kept, the sinking is prevented, and the connecting cable is used for maintaining the internal tension balance after the projectile body is unfolded.

The hinged parts among the framework base 6, the umbrella end long rod 7, the umbrella end short rod 8 and the umbrella end movable disk 9 are all connected through torsion springs and are used for providing power for enabling the umbrella end to overcome the internal tension of the elastomer to be unfolded in place and locked.

The number of the extension rod connecting discs 10 is 4, the extension parts are divided into 5 layers, the warhead connecting disc 12 is positioned at the top end of the expandable framework 17 and is connected with a reflection warhead, the structure of the warhead connecting disc is different from that of the extension rod connecting disc 10, the warhead design is not specifically described here, so the difference between the warhead connecting disc 12 and the warhead connecting disc 10 is not specifically embodied in the drawing, the extension rod 11 at the cone end is of a double-rod structure, and the double rods are positioned by the three extension rod connecting discs 10 side by side; the bullet comprises a bullet head, a bullet tail, a connecting disc sliding pair, eight conical end extension rods 11, a limiting hole and a bullet tail, wherein the four conical end extension rods 11 are arranged in four sections, each extension rod is fixedly connected with the connecting disc in the bullet head direction and is connected with the connecting disc sliding pair in the bullet tail direction, each two sections of conical end extension rods 11 cross through the extension rod connecting discs 10 in a cross mode so as not to be mutually blocked, and one end, connected with the; the extension bar connecting disc 10 is of a disc-shaped structure, 8 through holes are formed in the middle of the extension bar connecting disc, two hole positions are limiting holes, the limiting hole positions are determined according to the positions of extension bars of each section, only two corresponding rods of the connecting disc after being unfolded need to be limited, the limiting holes of the two corresponding rods of each limiting disc of the four discs are identical in structure, a locking block 13 and a force application spring 14 are arranged in the holes, and the limiting holes are fixedly arranged in the open holes of the connecting disc shell 15; the locking blocks 13 of the extension bar connecting disc 10 are positioned inside two sides of the corresponding hole positions, the locking blocks 13 adjust locking force through adjusting the screwing-in degree of bolts, and two groups are arranged in each disc.

The umbrella end unfolding mechanism is arranged at the bottom, the cone end four-stage unfolding mechanism is arranged at the top, the umbrella end unfolding mechanism is used for unfolding an umbrella body of the framework, the cone end four-stage unfolding mechanism is used for extending the cone end of the umbrella, the cone end four-stage unfolding mechanism is provided with a binding band, when the umbrella body is unfolded, the cone end binding band is firstly disconnected, so that the cone end four-stage unfolding mechanism is unfolded in place before the umbrella end unfolding mechanism, the tail part of a cone end extension rod 11 is provided with a groove corresponding to a hole position locking block 13 which is the same as an extension rod connecting disc 10, a spring is not needed to continuously provide thrust after the umbrella body is unfolded, after the cone end is in place, the umbrella end is unfolded in place, hinged parts among the framework base 6, the umbrella end long rod 7, the umbrella end short rod 8 and the umbrella end movable disc 9 are respectively; the framework is compact in structure when being folded, and the storage ratio is greatly improved; when the umbrella is folded, the umbrella end and the cone end are both restrained by the binding bands, so that the umbrella is prevented from being unfolded accidentally.

The base layer film 1 is axially folded by adopting a sector folding method based on Kawasaki and the former Chuan theorem when being folded, the conical surface can be axially folded by the method under the condition of not damaging the conical surface, the height of the conical surface is reduced, and then the film is coiled and folded along the circumferential direction, so that the conical surface can be completely folded and the outer side of the framework.

Compared with the existing bait, the bait has the advantages that the rigid parts are driven by the springs to be unfolded and formed, so that the weight occupied by the motor or the air pump is saved; meanwhile, the failure degree of the spring is extremely low under the compression condition, and the spring can still be normally unfolded in place after being stored for decades; through the unfolding mode of multistage stretching out, the extremely large rigid structure storage ratio is realized, the axial storage ratio can reach 0.28, and the radial storage ratio can reach 0.21.

Drawings

FIG. 1 is a schematic view of an expanded state of an embodiment of the present invention;

FIG. 2 is a schematic view of the folded state of FIG. 1;

FIG. 3 is a schematic illustration of an embodiment of an expandable frame;

FIG. 4 is a schematic drawing of the closing of FIG. 3;

FIG. 5 is a schematic view of a connecting disc structure of the extension bar;

FIGS. 6A and 6B are schematic views showing folding of a base film folding scheme;

fig. 7A, 7B, 7C, and 7D are schematic illustrations of the deployment of the projectile support strakes.

In the figure: 1. a base film; 2. an elastic membrane support ring; 3. an infrared radiation device; 4. a radar wave reflection warhead; 5. a control system; 6. a framework base; 7. an umbrella end long rod; 8. a short rod at the umbrella end; 9. an umbrella end movable disc; 10. the extension bar is connected with the disc; 11. a conical end extending rod; 12. a warhead connecting disc; 13. a locking block; 14. a force application spring; 15. a land housing; 16. an umbrella bottom fixing disc; 17. the frame may be expanded.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Aiming at the problem that the carrying quantity of existing missile bait bullets cannot be improved, the invention provides a design scheme of a passive rigid extensible accompanying flying bait structure, which is used for further improving the carrying quantity of the missile bait bullets.

As shown in fig. 1 and 2, an expandable companion fly bait is characterized in that: at least comprises the following steps: the device comprises an expandable framework 17, a base layer film 1, an infrared radiation device 3, an elastic film support ring 2, a radar wave reflection bullet 4 and a control system 5; the elastic film support ring 2 consists of a plurality of groups of different diameters, the diameters from small to large are fixed on the outer ring of the central shaft of the expandable framework 17 at intervals from the umbrella end to the umbrella bottom, the umbrella-shaped base film 1 surrounds the elastic film support ring 2, the bottom of the umbrella body is provided with a control system 5, and the expandable framework 17 is a passive expandable umbrella-shaped structure which is expanded by elastic potential energy; the elastic film support ring 2 is used for completely unfolding the base film 1 and preventing the conical surface from sinking; the projectile body is conical in working state, the infrared radiation device 3 is attached to the outside of the base layer film 1, the radar wave reflection warhead 4 is fixed at the top of the deployable framework 17, the radar wave reflection warhead 4 and the infrared radiation device 3 are passive devices and used for misleading enemy locking, and the control system 5 is responsible for adjusting the flying posture when the projectile body reenters.

The infrared radiation device 3 is either an active or a passive device.

The infrared radiation device 3 needs to have high flexibility or a gap is reserved at the crease of the base film 1, so that the infrared radiation device and the base film 1 are not damaged when being folded together in a folded state of the elastomer; the bottom of the shell of the control system 5 is used for connecting the cartridge and the circuit before launching, and the connection between the cartridge and the mother bullet can be disconnected by adopting an initiating explosive device during launching.

As shown in fig. 2 and 3, the expandable frame 17 includes: the umbrella frame comprises a frame base 6, an umbrella end movable disc 9, an extension rod connecting disc 10, a cone end extension rod 11, a bullet connecting disc 12, an umbrella end long rod 7 and an umbrella end short rod 8; the umbrella end movable disc 9, the umbrella end long rod 7 and the umbrella end short rod 8 form an umbrella end unfolding mechanism, the extension rod connecting disc 10 and the cone end extension rod 11 form a cone end four-stage unfolding mechanism, the umbrella end unfolding mechanism and the cone end four-stage unfolding mechanism are connected to form an extensible accompanying flying bait matrix, and the umbrella end unfolding mechanism is connected with the control system 5. The cone end four-stage unfolding mechanism is connected with the cone end four-stage unfolding mechanism, a control element in the bottom control system 5 is used for connecting a bullet tube and a circuit, and an initiating explosive device can be adopted to disconnect the bullet tube from a mother bullet during launching. The material of the expandable framework 6 is made of carbon fiber or aluminum magnesium alloy.

Umbrella end expansion mechanism's umbrella end expansion disc 9 and skeleton base 6 have interval distribution's connecting hole along the dish limit, umbrella end quarter butt 8 is connected on skeleton base 6 through the connecting hole respectively, form the bottom base supporter, a plurality of umbrella end stock 7 one end are connected on the connecting hole of umbrella end expansion disc 9, the other end and the intermediate junction of umbrella end quarter butt 8, there is the through-hole at umbrella end expansion disc 9 and 6 centers of skeleton base, 16 bottoms of an elastomer main shaft umbrella end fixed disk are located at 6 central points of skeleton base, the other end passes the centre bore of umbrella end expansion disc 9, be connected with the central bottom of extension bar connection pad 10 of awl end level four expansion mechanism.

As shown in fig. 3, there are 4 extension rod connection discs 10, which divide the extension part into 5 layers, the warhead connection disc 12 is located at the top end of the expandable frame 17, the warhead connection disc is connected with a reflective warhead, the structure of the warhead connection disc is different from that of the extension part 10, the warhead design is not specifically described here, so the difference between 12 and 10 is not specifically shown in the drawing, the cone-end extension rod 11 is of a double-rod structure, and the double rods are positioned by three extension rod connection discs 10 side by side; the bullet comprises a bullet head, a bullet tail, a connecting disc sliding pair, eight conical end extension rods 11, a limiting hole and a bullet tail, wherein the four conical end extension rods 11 are arranged in four sections, each extension rod is fixedly connected with the connecting disc in the bullet head direction and is connected with the connecting disc sliding pair in the bullet tail direction, each two sections of conical end extension rods 11 cross through the extension rod connecting discs 10 in a cross mode so as not to be mutually blocked, and one end, connected with the; the extension bar connecting disc 10 is of a disc-shaped structure, 8 through holes are formed in the middle of the extension bar connecting disc, two hole positions are limiting holes, the limiting hole positions are determined according to the positions of extension bars of each section, only two corresponding rods of the connecting disc after being unfolded need to be limited, the limiting holes of the two corresponding rods of each limiting disc of the four discs are identical in structure, a locking block 13 and a force application spring 14 are arranged in the holes, and the limiting holes are fixedly arranged in the open holes of the connecting disc shell 15; the locking blocks 13 of the extension bar connecting disc 10 are positioned inside two sides of the corresponding hole positions, the locking blocks 13 adjust locking force through adjusting the screwing-in degree of bolts, and two groups are arranged in each disc.

As shown in fig. 4, the extension bar connecting disc 10 is a disc-shaped structure, 4 limiting holes are formed in the middle of the extension bar connecting disc, the limiting holes are distributed in a cross shape and have the same structure, a locking block 13 and a force application spring 14 are arranged in the limiting holes, and the limiting holes are fixedly arranged in an opening of a connecting disc shell 15.

As shown in fig. 5, the umbrella end unfolding mechanism is arranged at the bottom, the cone end four-stage unfolding mechanism is arranged at the top, the umbrella end unfolding mechanism is used for unfolding the umbrella body of the framework, the cone end four-stage unfolding mechanism is used for extending the cone end of the umbrella, the cone end four-stage unfolding mechanism is provided with a binding band, when the umbrella body is unfolded, the cone end binding band is firstly disconnected, so that the cone end four-stage unfolding mechanism is unfolded in place before the umbrella end unfolding mechanism, a groove corresponding to a hole position locking block 13 which is the same as an extension bar connecting disc 10 is arranged at the tail part of a cone end extension bar 11, after the cone end extension bar is unfolded, a spring is not required to continuously provide thrust, after the cone end is in place, the umbrella end is unfolded in place, torsion springs are additionally arranged at hinged parts among the framework base 6, the umbrella end long bar 7, the umbrella end; the framework is compact in structure when being folded, and the storage ratio is greatly improved; when the umbrella is folded, the umbrella end and the cone end are both restrained by the binding bands, so that the umbrella is prevented from being unfolded accidentally.

The locking blocks 13 of the extension bar connecting disc 10 are positioned inside two sides of the corresponding hole positions, the locking blocks 13 adjust locking force through adjusting the screwing-in degree of bolts, and two groups are arranged in each disc.

As shown in fig. 6A and 6B, the base film 1 is folded axially by a sector folding method based on kawasaki and the theorem of kawa, kawasaki and kawa, by which the conical surface can be folded axially without damaging the conical surface, and the height of the conical surface can be reduced, as shown in fig. 6B, and then the film is wound and folded circumferentially, so that the conical surface can be completely folded outside the framework. The base layer coating film is made of polyimide.

As shown in fig. 7, the internal cable net is divided into a connecting cable and a supporting cable, the connecting cable passes through the elastic film supporting ring 2 to connect the warhead connecting disc 12 and the umbrella end long rod 7, the supporting cable is used for supporting the profile of the base film 1, maintaining the profile accuracy and preventing sinking, and the connecting cable is used for maintaining the internal tension balance after the projectile body is deployed.

Fig. 7A, 7B, 7C and 7D are schematic diagrams illustrating the expansion of the elastic body supporting cable net.

The base layer film 1 is axially folded by adopting a sector folding method based on Kawasaki and the former Chuan theorem when being folded, the conical surface can be axially folded by the method under the condition of not damaging the conical surface, the height of the conical surface is reduced, and then the film is coiled and folded along the circumferential direction, so that the conical surface can be completely folded and the outer side of the framework.

The hinged parts among the framework base 6, the umbrella end long rod 7, the umbrella end short rod 8 and the umbrella end movable disk 9 are all connected through torsion springs and are used for providing power for enabling the umbrella end to overcome the internal tension of the elastomer to be unfolded in place and locked.

The working principle of the invention is as follows: the bullet body leaves the bullet tube after being launched, the restraint bandage is unlocked, the bullet begins to unfold, the unfolding is divided into an umbrella end and a cone end, the cone end is in place earlier than the umbrella end, the cone end is unfolded and driven by the elasticity of a spring, the umbrella end is unfolded mainly by the spring, and the torsion spring is an auxiliary unfolding mode, so that the unfolding power of the umbrella end and the force for overcoming the internal force of the bullet body to unfold in place and lock are provided. The base layer film and the infrared radiation device are folded on the outer ring of the elastomer by adopting a sector folding method based on Kawasaki and the former Chuan theorem, the axial length is increased along with the axial extension rod when the base layer film and the infrared radiation device are unfolded, the diameter is enlarged along with the unfolding of the umbrella end and the unfolding of the elastic support ring, and finally a cable-membrane-beam tensioning structure is formed. And after the expansion, the posture is controlled by a tail control unit.

In conclusion, the extensible accompanying flying bait for the missile adopts the spring and the torsion spring as driving power sources, and is unfolded in two stages to ensure the reliability of unfolding and locking; through radial umbrella-shaped expansion and axial four-stage extending expansion, the radial and axial storage ratio of the rigid structure is greatly improved, the axial storage ratio can reach 0.28, and the radial storage ratio can reach 0.21; the sector folding method based on Kawasaki and the former Chuan theorem is adopted, so that the conical surface is accommodated; by additionally arranging the cable net and the elastic metal support ring, the precision of the unfolded molded surface is improved, and deformation is prevented.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.