33results about How to "Increase damage efficiency" patented technology

The invention relates to a warhead structure for improving the ballistic stability of a projectile penetrating a concrete target plate, which belongs to the technical field of a projectile penetrating a concrete target plate, and solves the problem of easy deflection of the ballistic trajectory when the projectile structure penetrates a concrete target plate in the prior art technical problems. The projectile structure of the present invention comprises a projectile body, the front end of the projectile body is provided with a first circular platform, the diameter of the upper bottom surface of the first circular platform is smaller than the diameter of the lower bottom surface of the first circular platform; the outer surface of the first circular platform is provided with a plurality of ribs along the generatrix direction of the first circular platform The end of the rib far away from the first circular platform is the front end of the rib, and the other end of the rib is the rear end of the rib; the height of the front end of the rib is greater than the height of the rear end of the rib; the diameter of the rear end of the rib is equal to the first circular platform Bottom diameter. The invention can suppress the deflection of the projectile and improve the ballistic stability of the projectile penetrating the concrete target plate. At the same time, when the ballistic stability is improved, the lateral force and moment acting on the projectile are reduced, which is more conducive to preserving the projectile and the fuze.

The invention discloses an aircraft guidance system and method for realizing the landing angle constraint. The system can firstly set the launching angle of the aircraft by inputting the desired landing angle and target distance coordinates; Then measure the sight angle of the projectile of the aircraft in real time, and transmit the measured sight angle of the projectile to the guidance law calculation module in real time; the guidance law calculation module solves the problem in real time according to the measured sight angle after the aircraft starts control. The guidance law is calculated, and the calculated guidance law information is transmitted to the execution module in real time; the execution module can control the movement of the aircraft according to the calculated guidance law information, thereby completing the present invention to realize the landing angle constraint of the aircraft.

The invention discloses an MEMS safety system integrated device applied to a small-caliber bomb and a method thereof. The safety system integration device comprises a safety system double-end fixed support limiting frame, an explosion-proof slider, an explosion-proof slider limit pin, an explosion-proof slider limit groove, an explosion-proof slider anti-buffer limit slot, an explosion-proof slider anti-buffering limit comb, a threshold value judgment mass block, a recoil overload threshold judgment mechanism, a centrifugal overload threshold judgment mechanism and an explosion propagation hole. According to the device, the integrated structure is adopted, firstly, from the perspectives of small-caliber bomb fuze design and processing, the device has the advantages of the miniaturized structure size, the low power consumption, good consistency of processing samples and the like; secondly, from the perspective of small-caliber bomb fuze function, the device has the characteristics of the strong sense of the ballistic environment, safety, the high working reliability of a de-protection control system and the like; and thirdly, a miniaturized fuze is important for improving charge ofa warhead, the next-level charge is improved through the miniaturized fuze, and the damage efficiency of small-caliber ammunition is improved.

The invention discloses a heterogeneous integrated safety system applied to a small-caliber bomb and an implementation method thereof. According to the system, back overload sensitive contacts are arranged on a flexible explosion-proof film and are used for sensing back overload to an arming control circuit, the arming control circuit controls an initiating explosive pin puller to be detonated, the restriction of the initiating explosive pin puller to an explosive-proof sliding block is relieved, under the constraint of a direction limiting structure, the explosive-proof sliding block moves in the centrifugal overload direction, at the same time, a micro spring controls the displacement rate of the explosive-proof sliding block; when the target is struck, and the arming control circuit is used for detonating an miniature initiating explosive to detonate a booster explosive column, so that explosion of the small-caliber bomb is realized. The system has the advantages of being small in structural size, low in power consumption, good in consistency of processed samples and the like; secondly, a small fuze has an important significance in improvement of the combat part loading, next stage explosive loading is improved through the small fuze, so that the damage efficiency of the small-caliber ammunition is improved.

The invention relates to the technical field of detonating devices, aims to solve the technical problem that the existing detonating device has poor detonating capacity and provides a novel detonating device comprising explosive and an ignition device. The novel detonating device is characterized in that the ignition device is a nano heating tube, the outer wall of the nano heating tube is provided with a glass tube or ceramic tube of nano-metal film, the nano-metal film is electrically connected with an electrode, and the nano heating tube is filled with the explosive. The invention further provides another novel detonating device comprising explosive and an ignition device; the detonating device is characterized in that the ignition device is a nano heating tube, the inner wall of the nano heating tube is provided with a glass tube or ceramic tube of nano-metal film, the nano-metal film is electrically connected with an electrode, and the explosive warps the nano heating tube. The novel detonating device allows for cylindrical blasting and capable of generating gathering detonating waves, so that power of the explosive is increased.

The invention discloses a sandwich type MEMS safety system integrated device. An integrated structure including a dual-end fixed limiting frame, an explosive-proof sliding block, an explosive-proof sliding block limiting pin, an explosive-proof sliding block limiting groove, an explosive-proof sliding block reverse buffer limiting groove, explosive-proof sliding block reverse buffer limiting combteeth, a rear base overload threshold value judging mechanism, a centrifugal overload threshold value judging mechanism, an explosion propagation hole, two flexible explosive-proof layers, an explosive-proof sliding block motion limiting device, an explosive-proof sliding block motion buffer area, an explosive-proof sliding block reverse buffer area, a first limiting device and a second limiting device is adopted in the device, and advantages of being small in size, low in power consumption, good in machining sample consistency and the like are achieved. The beneficial effects of being high insensory ability of ballistic trajectory environment, and high in work reliability of safe and protection relieving control system are achieved, meanwhile, a small fuse has the important significancein improving warhead charging, through the small fuse, the next-stage charging is improved, and the damage of a small-caliber cartridges can be improved.

The invention provides a method for preparing a billet for a medicine-shaped cover, which sequentially performs multi-directional reciprocating and ultra-low temperature large-deformation extrusion; the multi-directional reciprocating upsetting extrusion is sequentially performed on three faces of the six-sided billet with the same apex Reciprocating upsetting extrusion, single extrusion ratio ≥ 1.5, complete 2 to 4 cycles of multi-directional reciprocating upsetting extrusion; the ultra-low temperature and large deformation extrusion is to subject the billet to cryogenic treatment for 60 to 150 minutes, and extrude the working part of the extrusion die The inner cone angle is 90°~140°, and the extrusion rate is 10~20mm / s. The invention can realize fine-grained and weak texture structure, and improve the isotropy, high yield ratio and high ductility of the liner.

The invention relates to a warhead active fragment with a sealing layer and its preparation method and application. In the invention, firstly, the fluoropolymer composite material is injected into a pipe with an inner wall grid by hot pressing. Due to the flow of the polymer It can fully match the shape of the unit cell of the pipe with the inner wall grid and fully seal. Secondly, fluoropolymer composites can also stimulate chemical reactions during high-speed collisions, further improving damage efficiency. The traditional method of pressing a pipe with an inner wall grid into a steel end cap requires high processing accuracy for the cooperation between the end cap and the pipe. The pipe material of the inner wall grid simplifies the process and improves the production efficiency.

The invention discloses a simple sandwich type composite structure energy storage fragment and a preparation method thereof, which belong to the technical field of energetic materials and active fragment materials; a simple sandwich type composite structure energy storage fragment includes a spiral structure A, an active Energy structure part B and tower spring, the flexible spiral structure part A includes a connection base, a fixed rod is fixedly connected to the connection base, the tower spring sleeve is connected to the fixed rod, and the active energy-containing Structural part B includes a fixed disc, and the center of the fixed disc is provided with a through hole. The diameter of the through hole is larger than the diameter of the fixed rod, which improves the penetration of energetic fragments of existing fluoropolymer-based reactive materials. And the power of explosion, also provides a simple sandwich composite structure energy storage fragments preparation method, the method adopts rolling forming, winding, heat treatment, powder mixing, molding, sintering, fixing and other processes, the process is simple, no special The process requires the invention.

The invention provides an aerogel bomb. The aerogel bomb is characterized by consisting of an armor breaking part and an aerogel bomb. When a target is within 50 m, the armor breaking part is emitted out firstly to explode a deck by using 20-50 KG energy-gathered explosive, and then the aerogel bomb is propelled continuously to enter into a cabin from an exploded nick; the aerogel bomb is composed of a detonation cavity and a mixed detonation agent; the detonation cavity contains 7-13% by mass of trimethylene trinitramine, 13-87% by mass of a detonation agent which is a mixture of propane and aluminum trihydride powder, and a small amount of phosphorus powder; the trimethylene trinitramine is firstly detonated, the mixture and the phosphorus powder are thrown in the cabin to be mixed with air to form aerogel, and the phosphorus powder spontaneously combusts to cause explosion again. Therefore, as the detonation agent and the air in the cabin are adopted to form the aerogel bomb, a large number of oxidant can be saved, impact of high-intensity explosion is formed, 3-10 times destroy capability is increased, and the aerogel bomb is used for producing torpedoes for antisubmarine and anti-ship operation.

The invention belongs to the field of electromagnetic launch, and in particular relates to an electromagnetic gun combined with guide rails and rifling segments. Including: rotatable connecting projectile and armature; acceleration guide rail: including first and second electromagnetic guide rails with the same structure opposite to each other; rifled barrel: including first and second rifle bores with the same structure and opposite arrangement, There are inclined riflings with symmetry, the same rotation direction and the same twist in the rifled gun bore. The inner diameter of the electromagnetic guide rail is larger than the inner diameter of the rifled gun barrel. Two double-rifled gun bores and two electromagnetic guide rails are placed vertically alternately; insulation layer: set on the acceleration guide rail The two are isolated from the rifled gun barrel, so that the current only flows in the accelerating guide rail; the guide rail stabilizes the barrel: it is arranged on the outer periphery of the bore tube. The structure of the invention enables the shell to obtain rotational acceleration while obtaining linear acceleration in the bore, so that the shell can obtain greater rotational stability after being ejected from the muzzle, and increase the hit rate and damage ability of the shell.

The invention provides a penetrating blasting warhead containing active fragments in a titanium alloy matrix and a preparation method thereof. A partition is arranged between the warhead and the shell; a front-stage charge is installed in the warhead; a rear-stage charge is installed in the shell; Including titanium alloy matrix and active fragments, the titanium alloy matrix includes titanium alloy thin-walled cylindrical skeleton and titanium alloy metal powder, the wall of the titanium alloy thin-walled cylindrical skeleton is provided with an array of empty slots, and the active fragments are stuck in the array empty slots; titanium alloy thin-walled cylinder Skeleton, active fragments and titanium alloy metal powder are pressed into the shell; the front end of the shell is provided with an internal thread to connect with the external thread of the tail of the warhead; the tail end of the shell is respectively threaded with the body socket and the end cover, and the body socket is filled with a fuze. The present invention uses 3D printed thin-walled skeleton to fill and fix active fragments, which provides convenience for design and manufacture, and the skeleton material is the same as the shell base material of powder metallurgy, the inside of the shell has good compatibility, and the structural strength of the shell is improved. ensure.