27 results about "Fuze" patented technology

The invention belongs to the technical field of deep underground target penetration, and particularly relates to an energy gathering / kinetic energy series penetration structural body which comprises a charging shell, the front end of the charging shell is provided with an opening, a shaped charge liner is arranged at the opening of the front end of the charging shell in an adhesive mode, the rear end of the charging shell is fixedly connected with a rear-stage connecting part, and the rear-stage connecting part is fixedly connected with the charging shell. The rear end of the rear-stage connecting part is connected with a rear-stage main projectile body, a charging buffer layer is arranged at the front end of an inner cavity of the rear-stage main projectile body, a rear-stage fuze is installed at the rear end of the rear-stage main projectile body, and the charging shell and the rear-stage main projectile body are both filled with gunpowder. Wide-speed-range penetration is achieved through the series connection structure, the rear-stage connecting part extends into the charging shell to be in threaded connection with the charging shell, the rear-stage connecting part is protected against damage by utilizing three-direction pressure stress generated by explosive detonation, meanwhile, the length of the rear-stage connecting part can be adjusted, the rear-stage connecting part is used for protecting a penetration projectile body structure under the condition of different penetration target-hitting speeds, and the penetration target-hitting speed is improved. And therefore, the purpose of increasing the penetration power is achieved.

The utility model relates to a disassembling device suitable for fuses in a combat cabin, and belongs to the technical field of mechanical assembling and disassembling. Comprising a left clamping plate, a right clamping plate, a connecting screw, a torsion spring and a handle, the left clamping plate is of an open semi-cylindrical structure, an annular cone structure is arranged along the cylindrical bottom, and the tip of the cone points to the center and is used for reliably clamping a fuse; a vertical plate-shaped body is upwards arranged along the top of the cylinder, two transverse U-shaped plate-shaped bosses are arranged along the bottom of the plate-shaped body at a certain distance, the bosses are perpendicular to the plate-shaped body, and two bosses for placing a right clamping plate are arranged between the two bosses; small holes are formed in the two transverse U-shaped plate-shaped bosses, the two small holes are concentric, the small hole in one side is a through hole, and the small hole in the other side is a threaded hole and used for containing a connecting screw rod; the handle clamping device has the advantages that the cost is low, the efficiency is high, the quality is high, and the practicability and the generalization performance are better.

The invention relates to a method for avoiding common cause failure of a fuse insurance releasing device, belongs to the field of fuse insurance releasing device control, and solves the problem of common cause failure of a three-level insurance unit in the prior art. Comprising the following steps: a de-protection state feedback circuit feeds back a primary de-protection completion signal and a secondary de-protection completion signal to a master controller and a slave controller; the master controller sends a first state confirmation signal to the slave controller based on the first-stage insurance releasing completion signal and the second-stage insurance releasing completion signal; the slave controller opens a third-level unlocking software lock based on the first state confirmation signal, the first-level unlocking completion signal and the second-level unlocking completion signal; the hardware booster circuit feeds back a three-level de-protection completion signal to the master controller and the slave controller; the master controller sends a second state confirmation signal to the slave controller based on the third-level solution protection completion signal; and the slave controller opens the detonating software lock based on the second state confirmation signal and the three-level unlocking completion signal. And the high-safety fuze insurance releasing method is realized.

The invention discloses a device for dismantling a buried underwater unexploded ordnance, the device works based on an underwater robot, the device is composed of a shell, a connecting port, a sensor, a driving rod, a protection releasing element, a small motor, a telescopic rod, a shaped charge, a magnetic detection device, a telescopic sleeve and a supporting plate, and the shape of the buried unexploded ordnance is detected through the magnetic detection device; an explosive ordnance disposal scheme is determined after information is transmitted to the water operation platform, the telescopic rod controls the telescopic sleeve to ensure the position relation between the shaped charge and the unexploded ammunition, and the shaped charge is provided with an intelligent fuze which can be detonated after the robot is away from the unexploded ammunition. The device for destroying and burying the underwater unexploded ordnance has the advantage that the position relation between the shaped charge and the unexploded ordnance is fixed through the telescopic sleeve, the shaped charge can be accurately detonated, the unexploded ordnance can be detonated, the effect of accurately destroying and burying the underwater unexploded ordnance is achieved, meanwhile, the device can be produced in batches, and high economic benefits are achieved.

1. Name of the product in this design: Teaching aid (landmine model fuse). 2. Purpose of this design: A landmine model fuse teaching aid for educational use. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The application discloses a high-safety delay grenade fuze, mainly composed of a fuze body, a sliding block seat, a pressing screw, a delay tube, a firing mechanism, a safety and release isolation mechanism, a transmission explosion sequence and an observation window. The firing mechanism is a plate hammer type structure driven by a torsion spring, located at the upper part of the fuze; the safety and release isolation mechanism mainly comprises an explosion isolation mechanism, a redundant safety mechanism and a delay release explosion isolation mechanism, arranged in the inner cavity of the fuze; the observation window is arranged on the outer contour of the middle part of the fuze body, used for observing the position of the explosion isolation member. The explosion isolation mechanism is a spring-driven sliding block mechanism; the redundant safety mechanism indirectly or directly implements safety on the sliding block through two safety pins and a handle piece and a safety lever, and the safety is released through different manual actions; the delay release explosion isolation mechanism is realized by the delay tube and the memory alloy safety spring. The fuze meets the relevant requirements of GJB 3194-1998 'Safety Design Guidelines for Manually Laid Weapons', and has the advantages of compact structure and low cost.

The application discloses a safety identification structure of a blind fire state of a fuse, and is based on a traditional fuse structure (including a first explosion element, a body and a safety release mechanism). A radial safety identification channel which is connected to a transmission channel / blast channel in a cavity of the fuse is opened on an outer contour surface of the fuse body. A flame detonator, a diaphragm and a spiral are arranged in the radial safety identification channel. The safety state of the blind fire fuse can be determined by observing whether there are traces caused by predetermined internal explosion on the diaphragm and the spiral. Accordingly, corresponding methods can be adopted to deal with unexploded ammunition, so that the explosive processing procedure of the unexploded ammunition is simplified, the efficiency is improved, and the cost is reduced under the premise of ensuring safety. The structure of the application is simple, and the general layout and structure of the existing fuse are slightly changed. The application does not need to increase the occupied space, has strong universality, is suitable for various fuses, and is good in productivity.

The application includes a method for arming a fuze on a UAV, a warhead is arranged on a UAV including at least one pair of foldable arms, a fuze arming pin connected by a compression spring is arranged on the warhead, an arming device is arranged between the warhead and the foldable arms, one end of the arming device is connected to the foldable arms, and the other end is capable of abutting against the fuze arming pin, the foldable arms are folded, the foldable arms drive the arming device to abut against the fuze and compress the compression spring, the fuze arming pin is retracted into the warhead, and the fuze is in an armed state, the foldable arms are unfolded, the foldable arms drive the arming device to separate from the fuze, the fuze arming pin is ejected from the warhead under the action of the compression spring, and the fuze is armed. The application also includes a fuze arming device and a UAV including the fuze arming device. The application can quickly and effectively arm a fuze on a UAV.

This invention discloses a finite element method and apparatus for a refined distributed projectile-guided system. The method constructs simulation models of the projectile body and target plate. The projectile model consists of three propellant charges, two propellant separators positioned between adjacent charges, a fuze holder mounted at the bottom of the projectile, and an outer shell. A sensor is installed in each of the two propellant separators, and a sensor is installed in each base fuze within the fuze holder. Finite element simulation of the penetration process is performed, and acceleration time history curves from sensors located at the projectile tip, mid-projectile, and base are collected. The signals from the three sensors are cross-correlated and filtered to obtain acceleration time history curves decoupled from stress wave aliasing. This invention can reproduce the actual projectile-guided system structure, supports distributed sensor arrangement, and, with the aid of signal processing algorithms, can solve signal aliasing and noise interference problems, achieving high-precision overload signal acquisition.

The invention provides an identification circuit of a fuze system triggering device, which relates to the field of missiles, rocket projectiles and bombs and comprises a collision-explosion switch identification circuit and an inertia switch identification circuit. The touch and explosion switch identification circuit comprises a first energy storage unit, a first logic control unit, a first switch state diagnosis unit and a first signal output unit; the first energy storage unit passes through the first logic control unit, the first switch state diagnosis unit and the first signal output unit; the inertia switch identification circuit comprises a second energy storage unit, a second logic control unit, a second switch state diagnosis unit and a second signal output unit; the second energy storage unit is connected with the second switch state diagnosis unit and the second signal output unit through the second logic control unit. The device has high reliability, quickly and accurately responds to the state change of the device, and reliably outputs a detonation signal. The system is high in safety, and has the capability of self-diagnosis of the health state of the trigger device. And the safety performance of the fuze is greatly improved.

The application relates to a general artillery shell ejection and bore comprehensive detection device, which comprises a basic module and a functional module; the basic module comprises a rotating unit, a braking unit, a battery unit and a power unit; the functional module comprises a fuze rotating ejection unit, an ejection unit and / or a bore peeping unit; the rotating unit is used for splicing with the functional module and is also used for providing rotating power for the functional module; the braking unit is used for providing a braking function; the power unit is used for providing a moving function; the battery unit is used for power supply; the fuze rotating ejection unit is used for separating a fuze from a shell; the ejection unit is used for pushing the shell away from a bore; and the bore peeping unit is used for providing a bore peeping function. The general artillery shell ejection and bore comprehensive detection device can provide walking, braking and rotating functions through the basic module; different functional modules provide different functions; the functional modules are spliced on the main structure to realize the functions of rotating fuze, ejection and bore peeping; and the artillery maintenance and support requirements are met.

The application discloses a kind of series warhead full electronic fuze, it is related to electronic safety technical field;Including rear fuze and controlled by rear fuze front fuze, the rear fuze uses sensor to perceive launch environment, and receives on missile control instruction, step by step realizes three levels of insurance removal, and it specifically includes power management module, security control module, anti-impact initiation module, the front fuze includes magnetic isolation high-voltage power supply, high-voltage initiation circuit, detonator group assembly, the power management module includes 1W capacitor isolation power supply, EMC circuit, capacitor isolation circuit, voltage conversion circuit, the 1W capacitor isolation power supply is for the security control module power supply.The application uses capacitor isolation power supply, magnetic isolation high-voltage power supply, photoelectric isolation interface and other distributed isolation technology, realizes full electronic fuze and anti-tank missile control system isolation, to meet the electromagnetic compatibility requirement of full electronic fuze, to greatly reduce the volume of power management module.

The present application relates to the technical field of aerial bomb fuze, especially to a mechanical time aerial bomb fuze with universal ignition function. The aerial bomb fuze currently used has problems of large timing error, insufficient ignition reliability and safety. The present application designs an anemometer and an isokinetic speed regulator, and through the regulation and control of the two, effectively increases the timing accuracy and safety. Considering that the M904 fuze adopts an impact ignition mechanism, if the angle of the aerial bomb when landing is not within the range of impact ignition, normal ignition will not be achieved. To overcome this limitation, the present application adopts a universal inertia ignition mechanism, improving the ignition reliability.

The invention relates to the technical field of cross application of fuses and data fusion processing technologies, in particular to a data fusion method for intelligent GIF fuses of a patrol ammunition, which is based on data fusion of visible light, infrared, laser ranging and radio multi-dimensional information. Seeker detection and fuze detection are integrated into an intelligent GIF fuze detection integrated device of the patrolling bomb, a seeker detection sensor obtains image information of a target through a visible light sensor, an infrared sensor, a laser range finder and an optical detector, and the laser range finder provides remote accurate distance measurement of the target; the fuze adopts radio detection to provide accurate distance detection; the target image information of the visual channel is deeply fused with the target distance and speed information of the fuze channel, and the target information in a complex battlefield is acquired and sensed in real time, so that the sensing precision and damage efficiency of the patrolling bomb carrying the intelligent GIF fuze to the target are improved.

There is provided a common carrier munition suitable for use for a high explosive comprising a tail unit, a main body which comprises a payload cavity for receiving a payload, a fuze, and located between said main body and the fuze an ogive element, wherein the payload comprises a removable liner, wherein the removable liner comprises a high explosive, such that said removable liner and high explosive may be removed from the payload cavity.

The invention relates to a common carrier munition ammunition device, more particularly to common carrier payload delivery shell.There is provided a common carrier munition suitable for use for a high explosive comprising a tail unit, a main body which comprises a payload cavity for receiving a payload, a fuze, and located between said main body and the fuze an ogive element, wherein the payload comprises a removable liner, wherein the removable liner comprises a high explosive, such that said removable liner and high explosive may be removed from the payload cavity.

The invention discloses a bullet explosive fuse with high safety and high reliability. The bullet explosive fuse comprises a fuse body, a drag parachute, a chamber touch pin safety mechanism, an aerodynamic force safety mechanism, a sliding block explosion-proof mechanism, an inertia ignition assembly and an explosion propagation sequence. The inertia ignition assembly is also an aerodynamic force safety mechanism; the inertia ignition assembly is arranged in the fuse body, and the drag parachute is fixed to the top of the inertia ignition assembly. The sliding block explosion-proof mechanism is horizontally locked by the chamber touch pin safety mechanism, and the aerodynamic force safety mechanism is vertically locked at an explosion-proof position; the explosion propagation sequence is arranged below the inertia ignition assembly; after the ammunition is thrown by the mother ammunition, the limit of the chamber touch pin safety mechanism is unlocked; the aerodynamic force safety mechanism is unlocked by resistance generated by opening the drag parachute; when the sliding block explosion-proof mechanism moves in place, the fuze is in a to-be-launched state; when the ammunition impacts the target at the falling end point, the inertia ignition assembly detonates the explosion propagation sequence. The system is low in cost and high in safety and reliability.

The fuse head touch switch comprises an inner shell, an outer shell, a first insulating ring and a second insulating ring, the first insulating ring is arranged between the inner shell and the outer shell, the cut surface of the closing part of the outer shell is clamped at the inner step of the first insulating ring, and the upper end of the closing part of the inner shell is clamped at the outer step of the first insulating ring. The first insulating ring plays a role in supporting the inner shell and fixing the outer shell, and can ensure effective insulation between the inner shell and the outer shell which are used as two poles of the touch switch at the same time. The second insulating ring is pressed between the inner shell and the outer shell during assembly, is located above the first insulating ring, and is used for preventing a bullet from impacting the front end cover when the bullet goes out of a muzzle, so that the outer shell is deformed due to excessive instant stress and then accidentally contacts with the inner shell, and the head touch switch is accidentally closed and conducted, and meanwhile, the instant degree of fuze is ensured; the tactical technical index requirement that the whole weapon system needs to shoot without opening the front end cover is met.

The invention discloses a composite fuse test system. According to the system, a dual-core architecture is realized through FPGA + ARM, and the system comprises a power supply circuit, an AD / DA signal conditioning circuit, an RS485 / 422 communication circuit, a relay matrix, upper computer software and the like. Wherein the FPGA is responsible for efficient data communication with a fuze product, communication with a power supply and relay switching control, and the ARM is responsible for AD / DA data acquisition and control and upper computer software communication. The system can control the millimeter wave simulator through the DAC to realize Doppler frequency shift, time delay and signal attenuation simulation, and controls the opening and closing of the laser window through the relay to simulate various external environment changes of the fuze in the flight process. Automatic testing is performed through upper computer software developed based on a LabVIEW platform, and joint testing of laser fuses and radio fuses is realized by simulating fuze flight conditions in different environments and sending different judgment instructions to products. Compared with a traditional fuze test system, the composite fuze test system provided by the invention integrates composite fuze test functions, so that the operation steps of testers can be remarkably reduced, and the work efficiency of composite fuze test is improved.

This invention discloses a comprehensive testing system and method for the overload and firing pin dynamic characteristics of a trigger fuze upon impact with a target. Without altering the original physical parameters of the fuze, such as its mass and moment of inertia, this invention modifies the fuze by incorporating a firing pin dynamic characteristic acquisition device and a fuze overload testing device. This allows for the simultaneous acquisition of overload parameters during the entire ballistic flight of the munition and the firing pin dynamic characteristic parameters during target impact. The system precisely quantifies the correspondence between "overload - firing pin dynamic characteristics - ignition result," reflecting real-world operating conditions and clarifying the influence weight of each parameter on misfires. This comprehensive evaluation of the fuze's instantaneous firing rate, sensitivity, and ignition reliability provides data support for fuze structure optimization.

The invention relates to a flexible belt net protection system for intercepting a bullet with a trigger fuze and an explosion inducing method. Comprising a flexible belt net assembly, a detection system, a fire control system and a launching device, the flexible belt net assembly is assembled in the launching device, and the launching device is provided with the detection system and the fire control system; the launching device is assembled at the top of the protective fortification, and the flexible belt net assembly is composed of a flexible belt net body and mass blocks at all corner points of the flexible belt net; after the flexible belt net protection system is launched, the mass block pulls the flexible belt net body to be unfolded, the flexible belt net body makes physical contact with a bullet, and force conforming to a fuse triggering mechanism is generated; axial impact force, radial binding force and circumferential torque generated by the flexible belt net main body on an incoming target, namely an incoming bullet, cooperate with one another, so that a fuse is triggered. The net body unfolding area is large, the interception probability is high, parcel type protection reduces incidental damage, the device is suitable for urban civil scenes, and an efficient, safe and economic scheme is provided for active protection.

The utility model relates to a landmine unmanned aerial vehicle capable of arranging and absorbing spontaneous explosion, which comprises an unmanned aerial vehicle unit, a landmine bearing unit and a landmine, a throwing module is arranged in the unmanned aerial vehicle unit, and the landmine bearing unit is detachably arranged below the unmanned aerial vehicle unit through the throwing module. The landmine is arranged in the landmine bearing unit, a fuse mounting module is arranged in the landmine bearing unit, the fuse mounting module is used in cooperation with the landmine, and the landmine adjusts the mounting state of a fuse through the fuse mounting module in the landmine bearing unit. Through cooperative arrangement of a throwing module, a landmine bearing unit and a landmine in the unmanned aerial vehicle unit, a fuze can be installed in place after the device lands and is thrown, the landmine is used for being rolled and triggered by a carrier, and the fuze in the landmine bearing unit can also be driven by a fuze installation module to actively trigger the landmine. Therefore, the landmine can be put and used more diverse and more effectively.

The invention belongs to the technical field of fuze assembly equipment, and discloses an anti-explosion flexible tightening device for fuze, which comprises a cabinet and an anti-explosion electric control cabinet, one side of the cabinet is provided with a hatch, the hatch is matched with an electric control cabin door, one side of the cabinet far away from the hatch is hinged with two cabinet doors, and the cabinet is internally provided with a feeding and discharging conveying mechanism and a tightening mechanism. The feeding and discharging conveying mechanism is used for moving fuses to be tightened to the position under the tightening mechanism, and the tightening mechanism is used for tightening the fuses. The explosion-proof flexible tightening device for fuses is good in explosion-proof performance, high in automation degree, good in assembly consistency and high in applicability, fuses of different sizes and heights can be tightened, and meanwhile the problem that products are prone to being damaged by an existing tightening device is perfectly solved.

The present application relates to a kind of dynamic penetration strength target fuze delay detonation time test system of penetration bomb, belong to the field of fuze system.For including: fuze system, rocket sled body, target body, video system;Rocket sled body includes: rocket sled car, rocket sled track, stop block;Target body includes: target front marker, strength target, target rear marker;Rocket sled track upper left end is equipped with rocket sled car, the front end of rocket sled car is connected with fuze system, the right end of rocket sled track upper is fixed stop block, target front marker is arranged outside the right end of rocket sled track right side, with a certain distance from target front marker, strength target right side is equipped with target rear marker;Can effectively verify and measure the dynamic penetration thick scale strength target fuze delay detonation time under the guidance of penetration bomb cavity mode.

The invention provides gluing and tightening equipment and a using method thereof.The gluing and tightening equipment comprises a conveying table, a moving trolley is arranged on the conveying table and used for transferring workpieces, a first clamping mechanism which vertically ascends and descends is arranged on the front side of the conveying table, and a second clamping mechanism which vertically ascends and descends is arranged on the rear side of the conveying table; a tightening machine is arranged on the front side of the first clamping mechanism, a glue feeding mechanism is arranged on the left side of the tightening machine, a feeding mechanical arm is arranged on the right side of the tightening machine, and a positioning assembly is arranged on the rear side of the second clamping mechanism. The whole assembling process of the rocket projectile and the fuze does not need personnel participation, and the intrinsic safety degree of assembling work is improved.

The application provides a special static test equipment for fuze safety mechanism reliability verification. The special static test equipment for fuze safety mechanism reliability verification comprises a support frame and a table plate arranged on the support frame, a centrifugal mechanism, a clamping mechanism, a balancing mechanism and a braking mechanism are installed on the table plate, the centrifugal mechanism comprises a key, a connecting sleeve, a current collecting ring, a main shaft and a bushing, the key connects the main shaft and a rotating disc of the balancing mechanism, the connecting sleeve is connected with the main shaft and the key, the insulating enameled wire of the current collecting ring is connected with a fuze signal line through the through hole of the connecting sleeve, the bushing is in clearance fit with a brake disc of the braking mechanism, and the bushing is arranged on the main shaft and placed in the middle hole of the table plate. The special static test equipment for fuze safety mechanism reliability verification has simple structure, low cost and good universality, and can be used for reliability verification of safety mechanisms of various electromechanical trigger fuzes.

The application relates to a new safety logic design method suitable for a submarine-launched missile fuze, which solves the problem that if noise and distortion of internal sensor output signals of the fuze occur, the fuze will be abnormally disarmed, and then the missile will be abnormally operated. 1) In the design technical requirements of the fuze, the fuze can perform bidirectional information interaction communication with a missile-borne computer, and can receive information transmitted by a water depth sensor, a water-out sensor and an accelerometer; 2) In the design technical requirements of the fuze, the fuze has a three-level disarm judging logic model, and a certain level of disarm logic must have a redundant condition, and when all the redundant conditions are met, the certain level of disarm can be normally disarmed; 3) The software related design is completed according to the communication protocol and the three-level disarm judging logic model. The application makes the fuze have a redundant information disarm judging function, ensures the working reliability of the fuze, and has simple algorithm and low cost.