185 results about "Artillery" patented technology

The invention provides an unmanned aerial vehicle fire monitor fire source positioning system based on infrared thermal imaging, and the system comprises a fire scene situation collection module which obtains thermal image data and high-precision point cloud data; the fire diffusion model building module is used for generating a radiation intensity distribution diagram; the thermal image processing module is used for generating a structured fire source risk feature image; the LSTM time sequence model processing module is used for generating a smooth diffusion thermodynamic diagram to predict the spreading direction and speed; the combat map generation module is used for realizing data visualization; and the unmanned aerial vehicle flight path planning module realizes comprehensive coverage of a fire monitor striking path. Aiming at the problem that the prior art depends on static fire source data and is difficult to capture time-space dynamic evolution of a fire behavior, the method comprises the following steps: constructing a multi-dimensional fire behavior diffusion model, and fusing fire scene air flow vector projection analysis, thermal radiation background concentration dynamic superposition and LSTM time sequence modeling modes; accurate prediction of the diffusion path of the fire from the low-risk area to the high-risk area is realized, and instant support is provided for fire extinguishing action.

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 present invention is a multi-tooth segmented electrolytic machining cathode and tooling for rifling large-caliber artillery barrels, which overcomes the problems of uneven flow field and easy short circuit during the machining process of the electrolytic machining cathode in the prior art, poor cathode forming accuracy, high cost of repeated cathode correction, and long development cycle. It includes a cathode body, on which a segmented cathode copper body with multi-tooth working teeth is designed. The rear guide is set at the tail end of the cathode body, and the front guide is set at the cone end of the cathode body. The intermediate connecting device between the cathode body and the pull rod plays a connecting role. During operation, the cathode body, the pull rod, and the intermediate connecting device rotate and feed together. The inner wall of the segmented cathode copper body on the cathode body is provided with a wedge-shaped positioning keyway. The segmented cathode copper body is fixed in series with a wedge-shaped key, and the multi-tooth working teeth on the segmented cathode copper body have different characteristic parameters, including the negative line angle, the positive line angle, the tooth width, the tooth depth, the wrap angle, etc.

The present invention discloses a real-time measurement system and method for the pointing of a gun barrel. After zero-position adjustment of the gun barrel, a camera captures an image of the gun barrel at the zero position. The position of the camera is adjusted. When the marked figure in the gun barrel image received by the computer is a circle, the position of the camera is fixed. The computer continuously receives the gun barrel pointing images captured by the camera in real time and caches the images. The computer preprocesses the images and binarizes the images. The edges and contours of the figures are extracted in the binary images, and circular marks or elliptical marks formed after the barrel rotates are detected in the edge and contour images, and the centers of the circular mark areas or elliptical mark areas are determined. A vertical line segment L3 passing through the center of the circle is added within the circular or elliptical boundary of the current image mark area, and the included angle between the two line segments L1 and L3 is calculated to output the azimuth angle. The length ratio of the line segments L1 and L2 in the current image is calculated to output the elevation angle.

The utility model discloses an automatic lubricating supply system for an artillery ammunition filling mechanism, which comprises a lubricating oil storage tank used for storing lubricating oil, an oil quantity detection sensor, a controller, a lubricating pump, a lubricating pipeline and a lubricating point. Compared with the prior art, the automatic lubricating device has the advantages that efficient and automatic lubrication is achieved; the maintenance cost is reduced; the system reliability is improved; and the safety is enhanced.

The invention relates to a method for producing casings, in particular artillery gun and / or grenade casings, from a steel material. Also disclosed is a system for producing such casings, or a system configured to carry out the method according to the invention. The method and the system enable the efficient production of casings with a significantly shortened cycle time.

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.

The utility model provides a pneumatic artillery cleaning device, which relates to the technical field of pneumatic artillery cleaning devices and comprises an air storage tank, a limit plate arranged at the top of the air storage tank, a top cover arranged at the top of the air storage tank, an air delivery pipe arranged on one side of the top cover, a control shell arranged on one side of the air delivery pipe and an anti-slip sleeve arranged on one side of the air delivery pipe. A control switch is arranged at the top of the gas conveying pipe, a connector is arranged on one side of the gas conveying pipe, and a replaceable gun head is arranged on one side of the connector, so that when the gun cleaning device is used, the pneumatic principle can be utilized, strong impact force can be generated, dirt, residues and the like in an artillery can be effectively removed, and the cleaning efficiency is improved; meanwhile, according to the cleaning requirements of different types of artillery or different parts, proper gun heads can be selected, the cleaning pertinence and effect are improved, the artillery can be rapidly cleaned, the cleaning time is shortened, and the usability and the standby state of the artillery are 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.

The utility model discloses an artillery body lifting appliance, which relates to the field of artillery lifting and comprises an artillery tail connecting plate, two groups of first fixing bolts, a body tube fixing clamp and a lifting rope, the artillery tail connecting plate is fixed at the tail end of an artillery by the aid of the two groups of first fixing bolts, and the body tube fixing clamp is fixed at the front end of an artillery body tube in a clamping manner. The hoisting rope is used for connecting the breech connecting plate, the barrel fixing clamp and a crane hook, the barrel fixing clamp comprises two sets of left limiting iron, two sets of right limiting iron, a connecting rod, a hoisting ring and a second fixing bolt, and the left limiting iron and the right limiting iron located on the same side are fixed through a pin. The artillery body lifting appliance provided by the utility model is reasonable in structure and ingenious in design, an operator can lift a certain type of artillery body and other large-diameter artillery bodies through simple training, the operation is simple, safe and reliable, and the problem that the certain type of artillery body and the large-diameter artillery bodies cannot be efficiently and safely lifted is effectively solved.

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 utility model provides a connecting structure and a sensor, and relates to the technical field of mechanical equipment. The connecting structure comprises a connecting rope; the first connector is connected to one end of the connecting rope and used for being connected with a sensor; the second joint is connected to the other end of the connecting rope; the connecting rope penetrates through the sheath in a sliding manner; the end connectors are connected to the two ends of the sheath in a sleeving mode, and the connecting rope penetrates through the end connectors in a sliding mode; a positioning groove is formed in the outer side wall of the end connector. The sensor is used for sensing the state of the artillery; and the connecting structure is used for connecting the execution equipment and the sensor so as to finally realize linkage of the cam and the execution equipment.

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.

The invention relates to the field of deep machining of cutting blades, and provides an artillery barrel deep hole machining method and device based on a magnetostrictive actuator, and the machining method comprises the steps that multi-source data sensing network systems are installed on a boring rod, a cutter and an artillery barrel respectively; processing a multi-source signal acquired in real time, and extracting time-frequency information in an acoustic emission signal and a vibration signal; according to the characteristics of artillery barrel deep hole machining, a tool wear prediction model is established; inputting the time-frequency information into a tool wear prediction model to obtain a current signal of a control system; and a current signal is input to the coil to control the stretching of the magnetostrictive element, so that the cutter and the artillery barrel are kept in a contact state, and the fine adjustment of the displacement of the cutter is realized. The machining device comprises a spindle box, a guide rail, a boring rod assembly, a cutter and a floating support. The problem that dynamic characteristics of the large-length-diameter-ratio boring rod are affected by tool abrasion and time-varying excitation is solved, and the precision requirement of artillery barrel deep hole manufacturing is met.

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.

The invention relates to a system and a method for measuring ballistic trajectories in a light-gas gun and an artillery, and the system comprises a first microwave source assembly, a first power amplifier, a first circulator, a horn antenna, a second microwave source assembly, a second power amplifier, a second circulator, a linear polarization antenna and a microwave reflection and transmission plate, the directions of microwaves emitted by the horn antenna and the linearly polarized antenna form an angle of 90 degrees, the microwave reflection and transmission plate is arranged on an angular bisector of the angle formed by the horn antenna and the linearly polarized antenna, and the microwave reflection and transmission plate enables short-wavelength microwaves emitted by the horn antenna to be directly transmitted to a target to be measured. And long-wavelength microwaves emitted by the linear polarization antenna can be reflected to a to-be-measured target according to an angle of 45 degrees. According to the system for measuring the ballistic trajectory in the light-gas gun and the artillery, long-wave microwaves are reflected on the front surface of forward gas, short waves are reflected on the surface of a projectile, and therefore long-distance, continuous and simultaneous measurement of the speed of the forward gas and the speed of the projectile is achieved.

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 present invention discloses a weapon and equipment recognition method based on YOLOv7, comprising the following steps: collecting corresponding weapon and equipment images according to category and selecting clear images with distinct features; annotating the selected images and converting them into YOLO format; dividing the images into a training set and a validation set for training to obtain an optimal model; and during detection, using the YOLOv7 backbone network and ViT to extract features from the input image respectively, fusing the features obtained by the two, filtering them through the FSM module, and then processing the feature map to regress the target category and coordinates. This method supports 11 categories, including artillery, large surface warships, fixed-wing aircraft, radar, wheeled armored vehicles, and tanks. Compared with existing technologies, the detection capability is greatly enhanced, and more specific weapon and equipment information can be obtained, which is of great significance and importance in specific scenarios.

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.