120 results about "Artillery" patented technology

The invention discloses a shock wave overpressure field reconstruction method based on physical information, and relates to the technical field of artillery launching, and the method comprises the following steps: building a multi-scene overpressure empirical formula library comprising a Henrych formula, an M.A.Sadovskyi formula and national defense design specifications, and embedding physical prior knowledge into a neural network for training through a weighted loss function; an attention module with a channel-space cooperative enhancement capability is formed by fusing the one-dimensional efficient channel attention, the extrusion excitation network and the dimension reduction CBAM; according to shock wave propagation characteristics, a forward shock wave field subtask and a muzzle rear wave front subtask are divided, and regional prediction is achieved through dynamic characteristic routing; and optimizing network parameters by adopting a low data volume training strategy, and outputting overpressure peak field distribution. According to the method, through construction of a physical data fusion constraint mechanism and an EC-SEAM mixed attention mechanism, network physical interpretation and near field mutation feature extraction capability are improved, and dependence on labeled data is remarkably reduced.

The invention relates to a method for detecting and positioning an emplacement radar during marching based on beam pointing compensation, the emplacement radar comprises an antenna array surface, an inertial navigation device, a positioning device and a marching carrier, a detection target is an artillery projectile, and the purpose of detecting and positioning is to obtain position information of an artillery launching point or a projectile drop point. Comprising the following steps: a radar is powered up to start a positioning and orientation function and initializes working parameters according to task requirements; the radar starts to advance and circularly search the target in the search area; keeping a cyclic search state and carrying out projectile target verification when a target is found; keeping a cyclic search state and continuously tracking the projectile target based on beam pointing compensation during tracking; and after the number of the coordinates of the accumulated projectile targets exceeds a threshold value, projectile trajectory extrapolation is carried out to obtain a launching point or a falling point. According to the method, the maneuverability of the emplacement radar is improved, the radar can work during advancing, reconnaissance positioning of an artillery position or a projectile drop point is dynamically completed, and the working safety and battlefield adaptability of the radar are improved.

The invention discloses a lightweight target detection method for an automatic artillery loading system based on YOLO-AGU, and the method improves a YOLOv11 architecture, and comprises the steps: embedding an AOD-Net image enhancement module at the front end of a backbone network, and improving the image quality through multi-scale convolution feature extraction; a GSConv module is combined with the advantages of standard convolution and depth separable convolution, and channel shuffling operation is matched to enhance the feature expression ability; and constructing an efficient feature fusion architecture containing a UI B module, and optimizing a gradient information transmission path. According to the method, through an innovative network structure design, the detection performance in a low-light environment is remarkably improved while the light weight is kept, and the method is suitable for a real-time target detection task of the rotary missile cabin of the automatic artillery filling system.

The invention provides a simulated confrontation method, a simulated target device and a simulated combat device.The simulated confrontation method comprises the steps that target setting is conducted, specifically, simulated targets capable of being remotely controlled are set, and the simulated targets comprise at least one of a simulated individual soldier target, a simulated tank target and a simulated artillery target; setting the simulation single-soldier target and operating the simulation single-soldier target by a controller; the simulation tank target is set and operated by at least three control personnel in a matching manner; setting the simulated artillery target and controlling the simulated artillery target by at least two control personnel; and a confrontation step: performing confrontation training with the trainees by using the set simulation target. According to the invention, during simulation confrontation, individual soldiers, tanks and artillery can be respectively corresponding, the simulation is more scientific and reasonable, the authenticity of the simulation is improved, and the training effect is ensured; according to the method, information which can be obtained in the simulation confrontation process is closer to information in actual combat, the sense of reality that the information is limited is ensured, and the trueness of training is improved.

This invention provides a testing device and method for testing the maximum driving speed of a weapon station artillery piece. The testing device includes a testing box and a laser pointer. The laser pointer is coaxially mounted on the muzzle. The testing box contains a power module, a maximum driving speed test board for elevation and azimuth, and a maximum driving speed test board for azimuth. Four photosensitive modules and a stopwatch are arranged on the same panel of the testing box. Two photosensitive modules are symmetrically arranged at the top and bottom and left and right positions of the panel, respectively, to convert the received laser signals into electrical signals and transmit them to the maximum driving speed test board for elevation and azimuth or the maximum driving speed test board for azimuth, thereby controlling the start or end of the stopwatch. Based on the elevation and azimuth angles and the stopwatch display time, the maximum driving speed of the artillery piece for elevation downward and upward, and azimuth left and right is calculated. The device of this invention has high testing efficiency and accurate test results, overcoming the problems of complex and error-prone existing testing processes.

The application discloses a kind of artillery barrel residual life prediction method, to the interior ballistic parameter obtained in artillery shooting process as foundation, in the process of each ammunition launch, the pressure of the bottom of the shell and the movement speed of the projectile at multiple discrete time points in the movement stage of the barrel are collected in real time, and the integrated feature vector for representing single shot process is constructed in combination with artillery state information, based on integrated feature vector, single wear prediction model based on BP neural network is constructed and trained, after model training is completed, the wear of barrel caused by each shot is predicted using single wear prediction model, and the degradation state of barrel is dynamically updated through wear accumulation mechanism, in combination with the preset barrel wear failure threshold, the wear evolution in the subsequent shooting process of artillery barrel is forwardly predicted, and then the residual available firing number of artillery barrel is obtained, to realize the quantitative evaluation of residual life.

This invention discloses a closed-loop compensation method and system for the entire lifecycle accuracy of high-end industrial machine tools, belonging to the field of high-end CNC machine tools and industrial machine tools technology. This system constructs a complete system encompassing machine tool accuracy forward design, full-dimensional error modeling, online real-time detection, closed-loop dynamic compensation, and lifecycle accuracy maintenance. It can achieve a positioning accuracy of ≤0.0005mm and a repeatability of ≤0.0003mm under rated load for domestically produced machine tools, stably achieving IT4 level machining accuracy, with accuracy retention improved by 3 times compared to conventional domestically produced machine tools. This invention breaks through the core bottleneck of low accuracy upper limit, poor accuracy retention, and long-term reliance on imported CNC systems in domestically produced high-end machine tools. It is fully compatible with domestically produced machine tools and CNC systems, 100% independently controllable, and can be widely applied in scenarios such as army-specific five-axis CNC machine tools and artillery / ammunition precision machining centers.

The invention belongs to a method for testing the rotating speed of a flying projectile in the field of non-sitting force guns, which comprises the following steps of: photographing and capturing the flying projectile by using a high-speed camera at a specified station on one side of a ballistic trajectory, recording the starting time and the ending time by using marks on the surface of the projectile, and calculating the average rotating speed of the projectile at a certain point when the projectile flies; the system is composed of an emplacement (1), a flying projectile (3) and a high-speed camera (2). According to the method, after an artillery on a gun position (1) shoots ammunition, a flying projectile (3) appears on a trajectory trajectory, a high-speed camera (2) shoots the movement condition of the projectile in a view field and stores the movement condition, and then the time when a marking line is located on the axis of a projectile shaft after the projectile enters the view field and before the projectile leaves the view field is checked and recorded as T0 and T1 respectively, according to the time interval from T0 to T1 of the projectile, the number of turns of the projectile rotating in the interval can be read, and according to the number of turns of the projectile rotating and the time, the flight rotating speed of the projectile can be obtained through calculation.

The application discloses a kind of umbrella resistance type elastic body nondestructive recovery device and method, belong to artillery launching technical field;The device includes projectile, and recovery body and deceleration parachute arranged in it;The projectile is the split type shell of non-fixed connection, in the state of holding tightly in artillery barrel, timely split after flying out of artillery barrel, eliminate the constraint of recovery body and deceleration parachute;The recovery body and deceleration parachute are connected by coupling assembly, the end of parachute rope of deceleration parachute is connected with the top end of recovery body by coupling assembly, and the parachute rope of deceleration parachute is arranged on recovery body along the set track, for the buffer connection between recovery body and deceleration parachute.The application solves the posture instability and parachute rope winding problem caused by the rigidity of deceleration parachute and recovery body, and does not need to design connecting mechanism and opening parachute mechanism separately, applies the object parachute system to the inside of elastic body in narrow space, guarantees that recovery body is not damaged by secondary overload impact and completes nondestructive recovery.

The application discloses a deep learning-based artillery barrel target image defogging method and system, which comprises the following steps: inputting an original artillery barrel target image into a trained defogging enhancement network model for processing, wherein the defogging enhancement network model comprises an improved U-Net module, an AOD-Net module and an atmospheric scattering model layer connected in sequence; the improved U-Net module is used to extract multi-scale features of the original artillery barrel target image, and output the multi-scale feature maps to the AOD-Net module; the AOD-Net module is used to extract features under different receptive fields of the multi-scale feature maps through different convolution layers, realize multi-scale feature fusion, and output input values of the atmospheric scattering model layer; and the atmospheric scattering model layer is used to obtain the defogged artillery barrel target image based on the input values. The model is constructed by connecting the U-Net and the AOD-Net in series, a new model optimizer is proposed, the algorithm of gradient descent is optimized, and a self-adaptive weight loss function is introduced, so that efficient defogging processing under complex fog and haze conditions is realized.

1. Name of the product in this design: Oiling device (applicable to general-purpose artillery). 2. Application of this design: This design is used for general-purpose artillery coating. 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 utility model discloses a barrel leveling indicating mechanism installed on a breech rack. The barrel leveling indicating mechanism comprises a base, a sliding seat, a sliding seat connecting mechanism and an adjusting mechanism. The device is simple in structure and convenient to use, is mounted on a breech rack base for use, and is used for indicating the horizontal state of a barrel when the barrel is pushed out of a cradle of an artillery, so that the barrel can be smoothly pulled out of the cradle through a breech rack.

1. Name of the designed product: heavy artillery (fire truck). 2. Use of the designed product: fire fighting. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view 2.

This invention relates to a method for verifying the accuracy of artillery, comprising the following steps: North-pointing calibration of the artillery is performed, and the artillery after north-pointing calibration is taken as the initial state. If automatic gun-adjustment accuracy verification is performed, the azimuth and elevation angles measured by the artillery's inertial navigation system in the initial state are recorded, as well as the azimuth and elevation angles of the artillery barrel's central axis measured by the north-pointing total station in the initial state are recorded. If aiming line offset verification is performed, the azimuth and elevation angles measured by the artillery's inertial navigation system in the initial state, as well as the reading of the gun sight, are recorded. A first marker point and a second marker point are respectively affixed to the breech and muzzle on one side of the artillery barrel. A first total station and a second total station are respectively set up on the rear and front sides of the artillery barrel. This invention can solve problems such as inconsistent north-pointing among various types of equipment, lack of artillery inertial navigation detection methods, low efficiency of traditional aiming system detection methods, and lack of detection methods under field conditions.

This invention discloses a method for correcting firing parameters in a closed-loop firing correction system suitable for conditions with very few satellite measurement points. It adds a rotational speed measuring device to the projectile system to measure the real-time rotational speed of the artillery projectile. Based on external ballistics theory, this invention utilizes muzzle rotation speed, ballistic speed, and measurement data (coordinates and velocities) from a limited number of ballistic points to propose a method for estimating the range and lateral deviations of a single projectile relative to the target point. This allows for the rapid determination of the launch angle and directional corrections, enabling artillery firing correction. This invention solves the key problem of how to quickly and accurately determine the firing parameter corrections of a closed-loop firing correction system when there are very few ballistic measurement points, greatly improving the adaptability and reliability of the closed-loop firing correction system under complex battlefield conditions and effectively enhancing the combat capability of the weapon system.

The application discloses a kind of high-gain observer-based artillery propellant coordination arm adaptive sliding mode control method, first establish the mathematical control model of artillery propellant coordination arm electromechanical servo;Then high-gain observer is used to estimate the unknown state of artillery propellant coordination arm electromechanical servo system and effectively online tracking and compensation is carried out to it, sliding mode controller is designed to eliminate the error of observed state, so as to realize the fast high-precision control of artillery propellant coordination arm electromechanical servo system.For the high-frequency chattering phenomenon in sliding mode control process, an adaptive law is designed and combined with the sliding mode controller, so that the chattering of the control quantity is greatly weakened.Simulation experimental results show that, in the extreme condition that the propellant feeding machine is full of propellant, the control method has better dynamic tracking performance and robustness, and greatly improves the in-place speed and accuracy of the propellant coordination arm.

The invention provides an equipment maintenance life detection method, and belongs to the technical field of artillery anti-recoil device detection, and the method comprises the steps: cleaning an anti-recoil device counter-recoil machine, connecting pressure, displacement and temperature detection assemblies, and building a detection reference coordinate system; the static air pressure and the dynamic air pressure attenuation rate are synchronously obtained, and at least three sets of data are collected every 5-30 s; the counter-recoil machine is controlled to complete multiple times of simulation of recoil / counter-recoil circulation, and the air pressure leakage rate, piston rod displacement and sealing face abrasion increment are detected; calculating a maintenance life residual value; when the threshold value is less than or equal to the preset threshold value, outputting maintenance early warning; according to the equipment maintenance life detection method provided by the invention, reliable detection of the equipment maintenance life residual value is realized by simulating recoil / counter-recoil cycle to restore the actual working state, synchronously capturing key parameters such as the air pressure leakage amount, the piston rod displacement amount and the sealing surface wear increment, and combining with the life calculation model.

The utility model belongs to the field of structural design of smoothbore projectile ammunition, and particularly relates to an air closing device suitable for projectile launching of a recoil-free cannon, which can be used for closing air between a projectile and the recoil-free cannon. The air closing device comprises a switching body, an air closing ring and a pressing plate, and the air closing ring is located between the switching body and the pressing plate. The gunpowder gas launched by the recoil-free gun and the ductility of the non-metal gas closing ring are ingeniously utilized, and the problem that the bullets are closed in the launch process of the smoothbore gun is solved. After the artillery is launched, the gas closing ring is cut off in the bullet squeezing-in process, and gunpowder gas expands the gas closing ring outwards to enable the gas closing ring to be tightly attached to the wall of a gun bore, so that the gas closing effect is achieved; the utility model has the advantages of simple structure, reliable function, convenience in processing and assembling, large popularization and application space and the like.

The utility model provides a self-propelled artillery firing area alarm device which comprises a direction rotating wheel linkage mechanism, a conductive slip ring, two safe firing area calibration modules and an integrated alarm. And the conductive slip ring is coaxially fixed with the artillery barrel, and when the artillery rotates to the safe firing boundary, the slip ring is in contact with the vertical conductive rod to realize circuit conduction, trigger the alarm, make a sound and lighten the red warning lamp. According to the device, the structure is simplified, the anti-vibration reliability is enhanced, millisecond-level response can be achieved, and safety protection of the artillery firing area is remarkably improved.

The utility model discloses an adjustable recoil fluid recoil machine for an artillery. The adjustable recoil fluid recoil machine comprises a barrel body, the piston is mounted in the barrel and can move; the first cavity is positioned on one side of the piston; the second cavity is positioned on the other side of the piston; the piston rod is arranged in the second cavity and is fixedly connected with the piston; the center adjustable runner axially penetrates through the piston; the valve disc is mounted in the first cavity and abuts against the piston, and the valve disc is provided with a center flow channel groove capable of opening or closing the center adjustable flow channel; and the core rod is fixedly connected with the valve disc, is driven by a servo motor to rotate and is used for changing the position of the central runner groove relative to the central adjustable runner through rotation. The hydraulic resistance of recoil fluid can be effectively adjusted through launching feedforward control under the condition that the firepower efficiency and maneuvering characteristics of an armored vehicle are not changed, and the recoil force of artillery is greatly reduced.

The bearing bracket for weapon maintenance relates to the technical field of bearing brackets and comprises a base, limiting frames are arrayed at the bottom of a supporting plate at equal intervals, limiting holes penetrating through the supporting plate are formed in the surface of the supporting plate, extension plates are connected into the limiting frames in an inserted mode, and limiting insertion rods are connected into the limiting holes in an inserted mode. The telescopic hydraulic cylinder is arranged, the two sets of sliding frames are driven by the telescopic hydraulic cylinder to move relatively, adjustment is conducted according to the needed width of the crawler-type artillery, the supporting plate is arranged at the bottom of the crawler-type artillery, and the supporting position is selected according to needs. The crawler-type artillery is arranged on the supporting plate, a crawler belt is limited through a positioning groove, the stability of the crawler-type artillery is improved, the crawler-type artillery is prevented from moving when lifted, a limiting insertion rod is inserted into a limiting hole, an extension plate is locked, crawler wheels of the crawler-type artillery are supported through the extension plate, and the bottom of the crawler-type artillery is convenient to maintain; the use is convenient.

1. The name of the design product: bore wiping machine. 2. The use of the design product: suitable for wiping and maintaining various large-caliber artillery, tanks, naval guns and rocket artillery. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

A method for analyzing counter forces may include acquiring information on a battlefield, information on enemy threats, information on an avenue of approach, and information on enemy forces to combat with friendly forces to be allocated to the avenue of approach, and allocating, by a maneuver force agent of a multi-agent reinforcement learning model, friendly maneuver units to the avenue of approach, and generating, by an artillery force agent of the multi-agent reinforcement learning model, a list of enemy targets to fire to friendly artillery units, based on the information on the battlefield, the information on the enemy threats, the information on the avenue of approach, and the information on the enemy forces. The method may also include allocating, maneuver forces and artillery forces of friendly forces in response to the enemy threats according to a result of autonomous combat between the friendly forces and the enemy forces.

This invention provides a braking force adjustment mechanism and a recoil-reversing device, relating to the field of artillery recoil-reversing technology. The invention includes a recoil cylinder, a hollow recoil rod slidably disposed within the recoil cylinder, a control rod slidably disposed within the recoil rod, a guide sleeve slidably disposed within the cavity of the recoil rod and connected to the control rod, a float valve on the control rod that is elastically pressed against the guide sleeve, a control ring sleeved around the control rod on the inner wall of the recoil rod, and an annular fixed valve and a movable valve connected to the outer wall of the recoil rod that slide in contact with the inner wall of the recoil cylinder. The fixed valve contacts the movable valve and is coaxially connected to the recoil rod. The inner wall of the movable valve is rotatably connected to the recoil rod. The outer wall of the movable valve and the inner wall of the recoil cylinder are respectively provided with slidingly fitted guide protrusions and guide grooves; the outer walls of the fixed valve and the movable valve are respectively provided with corresponding fixed and movable leaks. This invention results in a longer recoil at low firing angles and a shorter recoil at high firing angles, which is beneficial for the overall structural arrangement of the artillery.

The application discloses a kind of ultra-precision additive and subtractive integrated manufacturing whole-process closed-loop control method and system, belong to high-end ultra-precision manufacturing and industry mother machine technical field.This system is based on domestic five-axis additive and subtractive integrated machine tool construction, realize the seamless connection of additive near net shaping and ultra-precision subtractive final machining under the same clamping, cooperate with digital twin pre-compensation algorithm to offset more than 95% machining deformation, and realize IT4 level and above ultra-precision precision mass production stably.The application breaks through the industry bottleneck of high-end manufacturing relying on imported five-axis machine tool, ultra-precision machining low yield, poor batch stability, equipment and process 100% domestic self-controllable, can be widely used in army artillery guided ammunition core parts, armored vehicle engine precision components, military special precision mold and other scenes.

The embodiment of the utility model provides a universal moving gun carrier. The universal moving gun carrier comprises tank wheels, a base, a vertical frame, a winch, a fixed pulley assembly, a rope and a lifting hook used for lifting materials to be used. The tank wheels are arranged on the lower surface of the base, and the vertical frame and the winch are arranged on the upper surface of the base; the fixed pulley assembly is arranged at the top of the vertical frame, one end of the rope is connected with the winch, and the other end of the rope bypasses the fixed pulley assembly and is connected with the lifting hook. To-be-used materials are hoisted through cooperation of the movable gun carrier and the winch, installation of an annular rail on a roof is avoided, and the technical effect of saving manpower and material resources is achieved; and by arranging the tank wheels, the technical effect that the gun carrier can move is achieved.

The application discloses a kind of artillery launch coaxial rotor unmanned aerial vehicle airborne fireworks launching system, including artillery projectile platform, unmanned aerial vehicle and folding guided fireworks launching system;Folding guided fireworks launching system and unmanned aerial vehicle constitute integral system, folding is placed in shell cabin, and after being launched to a certain height in the air by air cannon, unmanned aerial vehicle and folding guided fireworks launching system are released by completing separation and dehulling, the launch timing and direction of fireworks are changed by remote control of remote control rudder, various different complex fireworks patterns are formed, and large-scale fireworks show performance is completed.Compared with traditional fireworks unmanned aerial vehicle, the application can better guarantee the flight stability of unmanned aerial vehicle during flight, and improve the safety of fireworks unmanned aerial vehicle performance.

The present invention relates to a laser ignition system for a large-caliber artillery, which provides a linear laser beam shape, and the ignition system of the present invention evenly combusts a cylindrical large-caliber artillery propellant with a hollow center in an energy-efficient manner using a laser in longitudinal and radial directions.

The invention discloses high-precision extruding and accurate grinding equipment and a machining method for an artillery barrel pipe bore, the accurate grinding equipment comprises a fixed frame, a fixed assembly, a movable assembly and a double-power-source hydraulic driving mechanism, and the fixed assembly and the movable assembly are oppositely and coaxially fixed in the fixed frame; an open type loading and unloading space is formed between the corresponding ends of the fixed assembly and the movable assembly, and the artillery barrel to be machined can be tightly clamped in the open type loading and unloading space; the fine grinding machining method comprises the steps that firstly, artillery barrel loading and straightness precision centering are conducted; secondly, axial high-pressure sealing butt joint and pre-tightening locking are carried out; thirdly, low-pressure large-flow abrasive filling is conducted; 4, high-pressure bidirectional reciprocating accurate grinding; and fifthly, pressure is released, the workpiece is unloaded, and residues are cleaned. The device has the beneficial effects that uniform polishing of a complex inner hole is realized, and the machining consistency of reducing and conical parts is ensured. Accurate and independent control over the filling speed and the grinding pressure is achieved.

Projectile guiding assemblies, caps and methods of delivering power for testing and optionally data over spring-mounted fin(s) of the guiding assembly are provided. The guiding assemblies are configured to have continuous electrically conductive path(s) from the fin(s), through the respective spring(s) on which the fin(s) are mounted, and into the electronics module, which may receive power for testing and guiding data from external source(s) over the electrically conductive path(s). In the testing state, cap mechanically secures the fin(s) to contact(s) thereupon to assure continuous power and data transfer, sparing surface area that was previously dedicated to power and data transfer and simplifying these processes, especially under field conditions.