16results about "Marine mines" patented technology

The utility model relates to the field of initiating explosive devices, and discloses an underwater pin pulling device which comprises a shell, a fixing pin, a piston, a lock cover, a buffering sleeve, first sealing rings, an exploder and a one-way sealing assembly, the cross section of the piston is arranged in a shape like a Chinese character'zhong 'and is connected in an inner cavity of the shell in a sliding mode, and the peripheral side of the piston is sleeved with the first sealing rings; the working end of the fixing pin is connected with the piston in an inserted mode, two air guide channels are reserved in the piston, the exploder is in threaded connection to the bottoms of the air guide channels, the one-way sealing assembly is in threaded connection to the tops of the air guide channels, the small-diameter end of the bottom of the piston is sleeved with the buffering sleeve, and the outer wall of the buffering sleeve is arranged in a taper angle mode. The lock cover is in threaded connection with the opening end of the bottom of the shell, a circular-truncated-cone-shaped groove is formed in the lock cover, and the large-diameter size of the circular-truncated-cone-shaped groove is matched with the small-diameter size of the buffering sleeve. The waterproof performance of the device is effectively improved, and meanwhile, the stable operation of the device is ensured by adopting the arrangement of the double exploders.

The application provides a mine warhead engine in-line ignition system and method, and belongs to the technical field of ignition devices.The mine warhead engine in-line ignition system comprises a sensor module, a fuze module, a control module, a high-voltage ignition module and a booster assembly module; after completing state detection, the sensor module collects environmental information and sends the information to an information processing module for information processing and output of a state valid signal; a logic processing module performs logic operation on the state valid signal and outputs an unarming signal; and finally, high-voltage charging and ignition are completed according to the unarming signal and an ignition control signal.

A device that simulates the sound and pressure characteristics of gunfire by combusting combustible fluid and facilitating a deflagration-to-detonation transition of that combustion. The device includes a manifold for receiving combustible fluids, or precursors thereof, and preparing quantities of it for combustion. The device also includes a combustion component that receives said quantities and combusts it in an elongated chamber. Also disclosed are types of obstacles that can create turbulence in a flame front to facilitate a deflagration-to-detonation transition.

The utility model relates to a simulated landmine which comprises a cylindrical chassis and a shell, a charging port is formed in the outer wall of the cylindrical chassis, a cavity is formed in the cylindrical chassis, the shell is clamped to the top of the cylindrical chassis, and a gland is arranged at the end, away from the cylindrical chassis, of the shell; a waterproof switch is fixedly arranged in the center of the interior of the cylindrical base plate, a trigger mechanism is fixedly connected to the interior of the shell, and when the gland is subjected to downward pressure, the trigger mechanism abuts against the waterproof switch; a controller is fixedly arranged in the cylindrical base plate, a buzzer and a time delay circuit are integrated in the controller, and the buzzer is electrically connected with the waterproof switch. After the device is triggered, the buzzer continuously alarms for 20 seconds through the time delay circuit, so that the explosion warning effect of a real landmine can be simulated, and continuous noise interference on training after false triggering can be avoided.

The utility model discloses an individual landmine simulation device, which comprises a shell and an external antenna, one side of the shell is provided with an upper cover, the individual landmine simulation device also comprises an integrated circuit board arranged in the shell, one side of the integrated circuit board close to the upper cover is connected with a pressure sensor through a plurality of connecting rods, one side of the upper cover close to the shell is provided with an EVA (Ethylene Vinyl Acetate) gasket, and the pressure sensor is connected with the pressure sensor through a plurality of connecting rods. The integrated circuit board is further provided with a controller, a wireless module, a storage unit, an audible and visual alarm and a battery, and the shell is provided with a protection assembly used for containing and protecting the antenna. The landmine simulation device provided by the utility model can simulate the striking efficiency and effect of an antiinfantry landmine on a battlefield in a highly real manner, provides a very vivid scene for military training, combat drilling and the like, and is helpful for improving the understanding and coping capabilities of soldiers to landmine threats.

To provide a spraying device that can spray a spraying agent stably and uniformly. [Solution] The spraying device 1 comprises a cylindrical body 2, a spraying agent storage section 4 formed inside the body 2 and containing a simulated reagent 4A, an explosive 9 located below the spraying agent storage section 4, and a piston 10 located between the explosive 9 and the spraying agent storage section 4. In this spraying device 1, the combustion pressure generated when the explosive 9 is ignited causes the piston 10 to press against the spraying agent storage section 4, thereby spraying the simulated reagent 4A to the outside.

The utility model relates to a functional sound smoke prevention infantry landmine training device triggered by pressure, which comprises a box body and a box cover, a first flue is fixed at the lower part of the box cover, and a second flue is arranged in the box body; a fuming device is arranged in the second flue; at least one group of elastic supporting devices are arranged in the box body; a conductive device is arranged between the elastic supporting device and the box cover; a power supply and a sounding device are fixed at the bottom of the box body; and the power supply, the sounding device, the smoke generating device and the conductive device are electrically connected. According to the utility model, the sounding device and the smoke generating device are arranged in the box body, and harsh explosive sound and strong red (blue) smoke can be generated after triggering, so that the diversity and functionality of the teaching aid are effectively enriched from the visual and auditory aspects, and the problem of low training effect caused by poor explosion effect in the training process is solved.

To provide an underwater mine to defend a ship against a torpedo.SOLUTION: The invention provides an underwater mine with a net that clings to a torpedo and explodes. The underwater mine is attached and fixed to the net, and the net is opened underwater.SELECTED DRAWING: Figure 1

An apparatus for disabling of motor vessels moving in a waterbody. An energetic (i.e. explosive), as part of a floating assembly, is brought into contact with a motorized marine vessel's propulsion unit(s) and / or steering system, referred to generally as the underwater drive unit, due to the vessel's own motion relative to a floating line. The energetic then detonates and disables the underwater drive unit, thereby halting progress of the vessel while not harming any occupants thereof.

The utility model relates to the technical field of practice or coach ammunition, and particularly discloses a simulated thunder for vehicle training, which comprises an outer shell, an inner shell, a detection part, a warning part, a safety part, a fuse part and a power supply, the fuze part comprises a fuze plate and a connecting piece, and a fuze circuit and a processing chip are distributed on the fuze plate; the detection part, the warning part, the safety part and the power supply are all connected to the fuze part through connecting pieces, and the power supply provides energy for all the parts; the safety part comprises a control piece and a safety switch, and the safety switch is exposed on the outer shell; the detection part comprises an induction coil, and the processing chip at least receives an induction electric signal output by the induction coil and at least outputs a working electric signal to the warning part when the induction electric signal reaches a threshold value so as to start the warning part. According to the utility model, the magnetic field generated by the induction coil is used for detection, the coverage area is large, and a real landmine special for an automobile can be simulated, so that the authenticity of automobile lightning protection training is improved.

A small explosive simulation device for tactical training. The device replicates the form, fit, and function of standard operational small explosives, such as flash bangs, including pull-pin tension, safety mechanisms, and a spoon ejection sequence. Upon activation, the device uses integrated electronics to simulate real-life delay fuses with randomized timing and wirelessly transmits signals to external simulation systems, namely, effect generators. This enables realistic small explosive training scenarios without the risk of physical harm or explosive materials.

Dummy Mine The invention relates to a dummy mine (1) comprising a rigid upper face (2) one form of which corresponds to the form of an upper face of a real mine, characterized in that the dummy mine (1) further comprises: a foldable side wall (3a), integral with the rigid upper face (2); a lower wall (3b), integral with the foldable side wall (3a); and a closable opening (4) leading into a variable-volume interior space jointly defined by the rigid upper face (2), the foldable side wall (3a), and the lower wall (3b); the variable-volume interior space being configured to move the dummy mine (1) from a transport position, in which the interior space has a first volume, to a use position, in which the interior space has a second volume, larger than the first volume, and the dummy mine (1) has the shape of the real mine. Figure to be published: Figure 1

An apparatus for disabling of motor vessels moving in a waterbody. An energetic (i.e. explosive), as part of a floating assembly, is brought into contact with a motorized marine vessel's propulsion unit(s) and / or steering system, referred to generally as the underwater drive unit, due to the vessel's own motion relative to a floating line. The energetic then detonates and disables the underwater drive unit, thereby halting progress of the vessel while not harming any occupants thereof.

To provide a corrosion prevention device capable of reducing UEP and preventing corrosion of a hull by accurately estimating the UEP at a position separated from the hull by a predetermined distance when a ship sails in a specific sea area.SOLUTION: A corrosion prevention device 1A includes a sacrificial positive electrode 4 attached to a ship body 2 via an insulating body 3, a variable resister 15 electrically connected between the sacrificial positive electrode 4 and the ship body 2, and a controller 10. The controller 10 repeatedly obtains a UEP at a predetermined position away from the hull 2 or UEPs at a plurality of positions while changing the calculated resistance value, using at least one of the navigation speed, the seawater temperature, the ship bottom position in the water depth, and the hull coating state level during navigation, which are measured during navigation, and the calculated resistance value, which is a calculated value of the resistance value of the variable resistor 15, and derives a calculated resistance value when the UEP at the predetermined position or the sum of the UEPs at the plurality of positions is equal to or less than a predetermined value. The variable resistor 15 is controlled so that the resistance value becomes the derived arithmetic resistance value.SELECTED DRAWING: Figure 1

To provide an underwater mine to defend a ship against a torpedo.SOLUTION: The invention provides an underwater mine with a net that clings to a torpedo and explodes. The underwater mine is attached and fixed to the net, and the net is opened underwater.SELECTED DRAWING: Figure 1