233 results about "Artillery" patented technology

The embodiment of the invention provides a barrel ablation wear prediction method and device based on an adaptive optimization gray model, and the method comprises the steps: carrying out the first-order accumulation of an original sequence obtained through a shooting test, and building a whitening time response function; a new information priority criterion is innovatively adopted to calculate a data weight coefficient, self-adaptive optimization of initial conditions is realized, and a non-equidistant grey prediction model is constructed. The system establishes an unconstrained optimization problem based on a minimum criterion of average error sum of squares, and adopts a steepest descent method to solve an optimal time parameter, so that the model prediction precision is improved. And a shooting wear curve is established in combination with shooting number data, so that accurate prediction and evaluation of the ablation wear state of the artillery barrel are realized, and a reliable decision basis is provided for use and maintenance of the artillery.

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 embodiment of the invention provides an artillery barrel wear prediction method and device based on escape optimization, and the method comprises the steps: converting the temperature, pressure and charge features into a comprehensive load feature vector, and constructing a corresponding relation sample set with the ablation wear amount; and global optimization of prediction model parameters is realized by designing a search space of an escape optimization algorithm in combination with a cross validation method and a fitness sorting mechanism. The system adopts Bayesian correction to improve prediction precision, extracts wear change rate and acceleration characteristics based on a degradation trend curve, and establishes a reliable ablation wear state early warning mechanism. According to the method, the defects of a traditional prediction technology in parameter optimization and state early warning are effectively overcome, and a scientific basis is provided for use and maintenance of the artillery barrel.

The embodiment of the invention provides a degradation path approximation-based barrel ablation wear prediction method and device, and the method comprises the steps: building a high-order feature space through the normalization processing and Sigmoid function mapping of ablation wear data; similarity measurement features and path bending rate features of degradation paths are extracted innovatively, and accurate clustering and path approximation of degradation modes are realized. The system adopts an alternating optimization algorithm and a gradient descent method to optimize path expression parameters, and establishes a confidence interval estimation mechanism. According to the method, the barrel temperature, the shooting pressure and the propellant powder filling amount are combined to construct a comprehensive load index, accurate prediction and evaluation of the ablation wear state of the barrel are achieved through the change rate and acceleration characteristics of a degradation trend curve, and a scientific basis is provided for use and maintenance of artillery.

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.

An invention for using commonly available weaponry, namely shotguns or larger caliber cannons, for the control of drones and other projectiles by use of an ammunition containing aerodynamically designed series of sub-projectiles linked together by high tensile strength web in such a manner as to expand to the predetermined maximum size immediately upon exiting the barrel of the weapon and continuing along a steady and predictable flight path to the target while maintain the shape of the web to provide the most consistent interception pattern increasing the odds of success.

The embodiment of the invention provides a barrel ablation abrasion loss prediction method and device based on a combined model, and a double-layer prediction architecture is constructed by combining an adaptive neuron growth mechanism and a dynamic programming algorithm. Ablation abrasion loss identification is realized through a hierarchical neural network trained by temperature, pressure and charge characteristic parameters, and an energy state constraint function is constructed based on sensor data. The system adopts an escape search optimization operator to select an optimal wear evolution path, establishes a multi-factor early warning threshold model in combination with a wear rate and an acceleration index, and realizes accurate prediction and evaluation early warning of an ablation wear state. According to the method, the defects of the traditional technology in the aspects of model integration and state early warning are effectively overcome, and a reliable basis is provided for artillery maintenance decisions.

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 method for in-situ plating of a high-thickness wear-resistant Cr coating on the inner wall of a large-caliber artillery barrel, and belongs to the technical field of hard coating preparation, the surface of the inner bore of the artillery barrel is plated with the high-thickness wear-resistant Cr coating in situ by adopting a pulse multi-arc ion plating technology, and the high-thickness wear-resistant Cr coating is formed by long-period circulating coating of the Cr coating. Finally, the high-thickness wear-resistant Cr coating is obtained on the inner wall of the large-caliber artillery barrel in situ, the final thickness of the high-thickness wear-resistant Cr coating is 30-50 microns, the prepared wear-resistant Cr coating can improve the film-substrate bonding strength, the performance of the Cr coating is further improved, and the requirement for the performance of an artillery barrel inner cavity in military affairs is met.

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 invention discloses a weapon equipment identification method based on YOLOv7, and the method comprises the following steps: collecting corresponding weapon equipment images according to types, and selecting clear images with obvious features; marking the selected image, and converting the image into a YOLO format; dividing the pictures into a training set and a verification set for training to obtain an optimal model; during detection, a YOLOv7 backbone network and ViT are used to extract features of an input picture, the features obtained by the two are fused and filtered by an FSM module, then a feature map is processed, and a target category and coordinates are regressed. The method supports 11 types of artillery, large water surface warships, fixed-wing aircrafts, radars, wheeled armored cars, tanks and the like. Compared with the prior art, the detection capability is greatly enhanced, more specific weapon equipment information can be obtained, and the method has very important effect and significance in a specific scene.

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 present invention proposes an underwater gun muzzle sealing device and a method for using the sealing device, the sealing device includes a cabin, a connecting sleeve, a front plate, a rear plate, an air pipe, a signal cable, a cover plate, a clutch rotating assembly and a trigger assembly. The present invention drives the driving shaft to rotate through a motor, and the driving shaft drives the clutch sleeve to axially move and mesh with the rotating shaft and rotate, flipping the cover plate of the ejection port to achieve rapid opening and closing of the shooting channel, and realizes the blocking of the muzzle of the underwater gun before and after shooting to the external water, so as to prevent water from entering the main body of the gun during the shooting of the underwater gun and affecting the normal operation of the gun. A limit ring is installed on the rotating shaft of the present invention, and the boss and inclined surface on the limit ring touch the switch contact to realize the control of the flipping movement of the cover plate of the ejection port. In addition, by installing an air pressure sensor in the small sealing chamber, the air pressure in the sealing chamber is monitored in real time and fed back to the console. In addition, a one-way valve is installed at the bottom of the small sealing chamber to discharge excess gas in the small sealing chamber and water entering the small sealing chamber.

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 relates to the technical field of artillery filling, in particular to a mortar filling auxiliary device. The mortar filling auxiliary device comprises a horn mouth part, a mortar barrel part and a fastener, the horn mouth part comprises a front section and a rear section, the front section is in a horn shape, the rear section is in a hollow cylinder shape, and outer protrusions are arranged on the periphery of the bottom end of the rear section; the gun barrel part is in a hollow cylinder shape, and protrusions on the two sides are arranged on the gun barrel part. The gun barrel part is sleeved with the horn mouth part. The fasteners are installed outside the protrusions on the two sides of the gun barrel part and used for fixing the outer protrusion and the protrusions on the two sides together. Before the mortar is filled, the horn mouth part is arranged on the gun barrel part in a sleeving mode, the outer protrusions at the bottom end of the rear section of the horn mouth part make contact with the protrusions on the two sides of the gun barrel part, at the moment, the fasteners are installed outside the protrusions on the two sides of the gun barrel part, the outer protrusions and the protrusions on the two sides are fixed together, namely, the horn mouth part and the gun barrel part are fixed together, and slipping can be prevented; and the projectile body can be further filled in place conveniently.

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.

The invention relates to a digital conversion method for an equipment shot vibration test atlas, and belongs to the technical field of aviation environment adaptability. The invention discloses an equipment shot vibration test spectrum digital conversion method. The method comprises the following steps: (1) intercepting a shot vibration test quantity value in GJB GJB 150.20 A Military Equipment Laboratory Environmental Test Method: Shooting Vibration Test to calculate a related spectrum; (2) using a CAD drawing tool to determine a horizontal and vertical coordinate transformation relation; (3) selecting digital fitting coordinate points on the related atlas; and (4) digitally fitting. The method has the following advantages that the calculation efficiency of the test parameters is improved, the manual measurement error is reduced, the accurate shot vibration test quantity value of the equipment is obtained, and support is provided for verifying the anti-shot vibration capacity of the equipment.

The utility model discloses a backseat inspection device based on manual hydraulic tool pressurization, which relates to the technical field of artillery backseat inspection and comprises a sweeping board, a hydraulic machine is fixedly mounted on the upper surface of the sweeping board, a driving motor is fixedly mounted at the top end of the hydraulic machine, and a hydraulic motor is fixedly mounted on the upper surface of the hydraulic machine. A detector is arranged on the front side of the driving motor, a pressure oil pipe is fixedly connected to the connecting opening, a hydraulic cylinder is fixedly connected to the other end, away from the connecting opening, of the pressure oil pipe, and a fixing mechanism is fixedly connected to the outer portion of one side of the hydraulic cylinder in a sleeving mode. The hydraulic machine is electrically driven by the driving motor, so that a hydraulic rod in a hydraulic cylinder is driven to stretch out and draw back, an artillery rapidly reaches the length of a backseat, the air pressure and liquid quantity parameters of the anti-backseat device are rapidly obtained through the detector, whether the artillery meets the shooting requirement or not is judged, the anti-backseat device is rapidly and efficiently checked, the time cost is saved, and the working efficiency is improved. And the foundation maintenance and detection efficiency is improved.