21results about How to "Improve shooting accuracy" patented technology

The invention relates to a double-propellant configuration barrel rocket gun, in particular to a smoothbore barrel rocket gun using a double-propellant configuration rocket projectile, and aims to solve the problem that a large-power weapon is long in barrel and large in dead weight due to the fact that killing power of a traditional light weapon and a medium and small caliber gun is limited by barrel bore pressure at present. And the practical requirements that the weapon hit precision is superior to or at least not lower than that of an existing traditional barrel gun and the weapon and ammunition cost does not exceed that of the existing traditional barrel gun can be met. The main technical advantages of the invention are concentrated in the field of medium-and-small-caliber and limited-range direct aiming gun and gun weapons, and can be applied to infantry light weapons, such as pistols (individual self-defense weapons), submachine guns, automatic rifles, sniper rifles and light and heavy machine guns, and medium-and-small-caliber direct aiming artillery, such as tank cannons, antitank cannons, air defense cannons and aviation machine cannons.

The present application relates to the technical field of corn breeding, in particular to a medium-high altitude corn shade-tolerant and disease-resistant nutrient variety breeding device and method, which comprises a material placing plate and a multispectral imaging module suspended above the material placing plate. The top surface of the material placing plate is provided with a plurality of material grooves in a dot matrix pattern for separately placing corn kernels. The multispectral imaging module is composed of a ring array of LED lamps, a visible light camera, a near-infrared sensor, and an ultraviolet excitation light source. The multispectral imaging module synchronously acquires RGB, NIR, and UV three-channel images of the kernels. Through the morphological analysis algorithm built in the image processing unit, the distribution coordinates of unqualified corn kernels are obtained. Then, the image processing unit activates the electromagnetic iron to make the connecting pipe, air hole, and air tube correspondingly communicate. At the same time, the air pump is started to supply air to each air tube, and then the identified corn kernels in the material grooves are blown out, thereby improving the accuracy and efficiency of screening shade-tolerant and disease-resistant nutrient variety kernels.

The utility model discloses a laser cutting visual positioning mechanism, and belongs to the field of laser cutting machines. A laser cutting visual positioning mechanism comprises a fixing support, an industrial camera and a light supplementing lamp, the industrial camera and the light supplementing lamp are detachably installed on the fixing support, the light supplementing lamp is located at the lower end of the industrial camera, the laser cutting visual positioning mechanism further comprises a polarizer, the polarizer is installed on the fixing support, an adjusting piece is arranged on the fixing support, and when the adjusting piece works, the light supplementing lamp is located at the lower end of the industrial camera. The polarizer moves to the position below the industrial camera and rotates; according to the utility model, the position and the polarization angle of the polarizer are accurately adjusted and controlled through the adjusting piece, the adjusting time can be shortened, the imaging quality and the shooting efficiency of the industrial camera can be improved, and meanwhile, the height of the industrial camera is adjusted through the telescopic piece, so that the industrial camera is adaptive to shooting scenes with different sizes and patterns; therefore, the shooting precision of the industrial camera is improved.

The utility model provides a pistol shooting training assistor which comprises a pose calibration assembly installed below a firearm base close to one end of a firearm shooting opening, the pose calibration assembly comprises a power source, a controller, a gyroscope module, a data acquisition module and a buzzer which are integrated in an installation shell, the power source is electrically connected with the controller, and the gyroscope module is electrically connected with the buzzer. The gyroscope module, the data acquisition module and the buzzer are all connected with the controller through signal wire harnesses, and the mounting shell is detachably connected with the firearm base. The position and posture calibration assembly is installed at the lower end of the training gun, real-time monitoring and feedback in the gun holding and aiming training process are achieved, data information of the gyroscope module is collected through the data collection module and transmitted to the controller, a trainee can adjust the position and posture to be within the preset range in time, and the training effect is improved. The mounting shell is detachably arranged, so that the pose calibration assembly can be quickly mounted on the firearm and is convenient to dismount, meanwhile, an aiming line is avoided, and the normal use of the upper aiming part is not influenced.

This disclosure provides a smart glasses system, belonging to the field of electronic device technology. The smart glasses include a frame, a pressing component, a camera, and a control module. The pressing component, the camera, and the control module are respectively connected to the frame. The control module is electrically connected to the pressing component and the camera. The control module is used to control the camera to perform a shooting operation in response to a pressing operation on the pressing component. Using this disclosure, the possibility of accidental shooting by the smart glasses can be reduced, and the shooting accuracy of the smart glasses can be improved.

The application relates to a shooting gate control method based on a fire line motion trajectory prediction, which comprises the following steps: acquiring fire line motion trajectory data in an armored vehicle dynamic shooting process through a stable gyroscope of a fire control system, constructing a data set for long short-term memory neural network training, then transplanting the trained model into the fire control system to realize real-time prediction of the fire line motion trajectory, and designing a prediction gate, using the predicted angle value of the fire line as the condition for judging whether the fire line enters the gate, so that the probability that the fire line is still in the shooting gate when the projectile is shot out of the muzzle under dynamic shooting is improved.

This invention relates to the field of composite bow technology, specifically to a rotary composite bow stop block. The stop block is rotatably mounted and cylindrical. Its surface has an annular groove for constraining the bowstring. When the bowstring collides with the stop block, a cutting action also occurs between the bowstring and the stop block. Therefore, the stop block's rotation significantly reduces wear on both the stop block and the bowstring, while also reducing noise. This reduces the reaction force of the stop block on the bowstring, thus promoting stability of the magnetic base and improving shooting accuracy. Furthermore, the constraint of the bowstring by the annular groove further enhances the accuracy of steel ball firing.

The utility model relates to the technical field of sports equipment, concretely relates to a steel ball compound bow wheel set with string length fine adjustment device, including main wheel and string length fine adjustment device, the string length fine adjustment device includes the tuning peg that sets up with a plurality of adjusting screw hole and has the eccentricity hanging string point of adjusting arm, the eccentricity hanging string point is installed in the tail of tuning peg, the eccentricity hole of eccentricity hanging string point inserts and connects with the string hanging pin shaft, the axle head of string hanging pin shaft is connected with tuning peg, be equipped with the locating hole that can be aligned with adjusting screw hole on adjusting arm, the locating bolt that can be matched with adjusting screw hole is assembled in locating hole. The utility model can realize respectively to unilateral main string length's accurate, grading adjustment under the premise of not using the bow opener, not disassembling main string, thereby the tension difference between two main strings is corrected quickly, eliminates the steel ball trajectory deviation caused by two side main string tension imbalance, and the shooting precision and trajectory stability of steel ball compound bow are improved obviously.

This invention discloses a pneumatic ejector pin for a semi-automatic long-range injection device, comprising an outer cylinder and an inner cylinder slidably mounted therein. The front section of the inner cylinder can protrude from the front end of the outer cylinder under the push of rear gas. A pressure switch is built into the inner cylinder; when the inner cylinder is in the protruding state, the pressure switch can be opened by the rear gas, allowing the rear gas to pass forward through the inner cylinder. By setting the inner cylinder, under the push of the rear gas, the inner cylinder can protrude forward from the outer cylinder, pushing the injection needle located inside the barrel forward and disengaging it from the area directly opposite the magazine. This allows the injection needle inside the barrel to escape the pressure of the injection needle or elastic base plate below. Since the injection needle inside the barrel has already separated from the injection needle or elastic base plate below before being pushed out by the rear gas, no additional friction is generated, thus avoiding the range and circuit effects caused by friction, and thereby improving shooting accuracy.

The utility model discloses an antiaircraft machine gun fixing device of an assault vehicle gun-replacing-gun training system, which comprises an ammunition chamber and a positioning component, the ammunition chamber is positioned in the front middle of a machine gun and comprises a front ammunition chamber and a rear ammunition chamber, the positioning component comprises a front supporting component and a rear supporting component, the front supporting component is an elastic supporting component, and the rear supporting component is an elastic supporting component. The conical surface of the front supporting assembly is attached to the conical surface of the front ammunition chamber, the rear supporting assembly is adjustably connected with the rear ammunition chamber, and the central axis of the positioning assembly coincides with the axis of the ammunition chamber. The centering and positioning accuracy of the machine gun is ensured, the situation that vibration is generated in gaps between the front supporting ring and the conical surface of the ammunition chamber and between the rear supporting ring and the conical surface of the ammunition chamber during shooting is avoided, and the shooting precision is improved.

The invention provides a protection device and method for an industrial camera shooting system of a detection vehicle, relates to the field of pavement disease detection equipment, and aims to solve the problem that the shooting precision is poor due to the fact that a protection shell of an existing vehicle-mounted industrial camera shooting system is difficult to realize self-cleaning. The windward shell and the leeward shell of the protective shell can move relatively to form a dynamic streamline air guide structure, the windward angle of the windward shell is changed, and a high-pressure area can be formed on the leeward upper convex surface and the leeward lower convex surface of the leeward shell at different vehicle speeds, so that pollutants entrained along with airflow are taken away and prevented from being attached, and the service life of the air conditioner is prolonged. The cleanness of the leeward upper convex surface and the leeward lower convex surface of the perspective surface of the industrial camera system is kept, and the shooting shielding is reduced, so that the image quality is improved.

The utility model discloses a sighting telescope with a damping and buffering mechanism, and belongs to the technical field of sighting telescopes. Comprising a sighting telescope body, a precision adjusting knob, a multiple amplification auxiliary lens, an auxiliary lighting module, a lighting LED lamp, a lighting module switch, an energy storage module charging hole, a damping air cylinder, a sighting telescope connecting rod, an electric wire, auxiliary lens connecting threads, a sighting telescope objective lens, a sighting telescope eyepiece, an auxiliary lens objective lens, an external threaded sleeve and an energy storage module. By arranging the damping air cylinder and the sighting telescope connecting rod, recoil vibration transmitted to the sighting telescope can be reduced through the air cylinder structure, meanwhile, an auxiliary lighting module, a lighting LED lamp, a lighting module switch, an energy storage module charging hole and an energy storage module are arranged, and a sufficient light source can be provided for the sighting telescope; and meanwhile, the auxiliary lens connecting threads are arranged, the multiple amplification auxiliary lens and the external threaded sleeve can be externally connected with the sighting telescope according to needs, and the amplification multiple of the sighting telescope is increased.

The invention relates to the field of territorial space governance, and discloses a geographic information acquisition device for territorial space planning, which comprises a bracket, the top of the bracket is connected with a protective shell, a camera device is arranged in the protective shell, a windscreen wiper structure is arranged in the protective shell, and the windscreen wiper structure comprises a driving motor. The driving motor is in transmission connection with the first gear, the first gear is in transmission connection with the second gear, the second gear is in transmission connection with the transmission rod, the two ends of the transmission rod are connected with the worm, the worm is in transmission connection with the worm gear, and the worm gear is in transmission connection with the reciprocating lead screw. The invention effectively solves the problems that the geology needs to be photographed and collected every other distance during geographic information collection for territorial space planning at the present stage, in rainy and snowy days, rain and snow can shield the camera to cause blurred photographing, and in the condition of poor environment caused by sand and dust, the geological information is not collected. And the camera is also polluted, so that the camera shooting is blurred.

The present application discloses a device for testing the impact resistance of a tool alloy material, which includes a test bench for placing a product to be tested; a pendulum, which can rotate under the action of gravity to impact the product to be tested on the test bench; a pendulum drive assembly, which is arranged above the pendulum, and the pendulum drive assembly is used to pull the pendulum up to a preset height; a camera protection tube, which is arranged above the test bench, and a camera assembly is connected to the camera protection tube along a vertical sliding connection, and the camera assembly can move in or out of the camera protection tube; a transmission rope, which is connected between the camera assembly and the pendulum drive assembly, when the pendulum drive assembly drives the pendulum to rise, the camera assembly can synchronously descend to a preset height under the action of its own weight, and when the pendulum descends, the camera assembly can be pulled up to the camera protection tube through the transmission rope. The present application can effectively perform an impact test on alloy materials and can accurately judge the state of the alloy materials after the impact test.

The utility model discloses an integrated slingshot rubber band which comprises a leather pocket, elastic rubber bands are arranged on the two sides of the leather pocket, the elastic rubber bands are gradually widened, the far ends of the elastic rubber bands are gradually narrowed from wide to near to be connected with the leather pocket, a dent is arranged in the middle of the leather pocket, pocket bins are symmetrically arranged on the two sides with the dent as the center, and the pocket bins are connected with the elastic rubber bands. A plurality of groups of anti-skidding salient points are arranged on the surface of the pocket bin, a groove is formed in the inner side of the pocket bin, the dent is a strip-shaped mark groove, and the strip-shaped mark groove can be folded in half in the center. The catapult has the beneficial effects that the catapulting force is increased and the shooting precision is improved by centrally folding the two sides of the dent.

The invention discloses a gun barrel offset type rigid locking mechanism of a pistol, comprising a bolt and a gun barrel, wherein the bolt is provided with a first locking support surface, the gun barrel is provided with a second locking support surface, an unlocking tenon and a locking tenon are provided at the bottom of the rear end of the gun barrel, the unlocking tenon is arranged in front of the locking tenon, and an unlocking and locking seat is also provided, which is arranged below the gun barrel and fixedly connected to the bottom grip of the gun, and the unlocking and locking seat has a first unlocking inclined surface and a first locking inclined surface along the radial direction of the gun barrel, and the first unlocking inclined surface is close to the unlocking tenon of the gun barrel The first locking inclined surface is close to the barrel locking tenon. When the bolt and the barrel recoil, the barrel unlocking tenon collides and contacts with the first unlocking inclined surface of the unlocking and locking seat, guiding the barrel to deflect, so that the second locking support surface of the barrel is separated from the first locking support surface of the bolt and unlocked. When the bolt and the barrel return, the barrel locking tenon collides and contacts with the first locking inclined surface of the unlocking and locking seat, guiding the barrel to deflect in the opposite direction, so that the second locking support plane of the barrel is engaged with the first locking support plane of the bolt to form a rigid lock.

This invention discloses a method and device for measuring the particle size of micron-sized particles during impact with a wall under high-speed photography conditions, belonging to the fields of image processing and microscopic particle size detection technology. Based on traditional particle shadow velocimetry, this invention utilizes a particle transport device to create identical motion conditions for both standard and test particles. A high-speed camera captures images of the moving particles against a similar background. The acquired images are then processed to obtain the measured particle size. By analyzing the mathematical relationship between the actual particle size of the standard particle and its measured value, the actual particle size of the test particle is finally derived. This invention establishes a particle image processing workflow that can rapidly process large numbers of image samples, effectively achieving high-speed and high-precision measurement of micron-sized particle size during impact with a wall compared to traditional particle shadow velocimetry.

An orthogonal pressurized chamber structure comprises: a housing; the driving element is detachably connected with the shell; the rocker arm is movably connected with the shell; the rocker arm is assembled in the shell, the pressure pad is assembled in the shell, a transmission element which abuts against the rocker arm and the pressure pad is further arranged in the shell, the first axial end and the second axial end of the rocker arm abut against the driving element and the transmission element respectively, and the pressure pad is connected with the transmission element in a shape matched mode. The end face, away from the transmission element, of the pressure pad is of a plane structure, and the driving element drives the pressure pad to move through the rocker arm and the transmission element. According to the pressure pad, the pressure pad is connected with the transmission element in a shape matching mode, the end face, deviating from the transmission element, of the pressure pad is in a plane shape, the contact area is enlarged to disperse pressure, and the problem of energy loss caused by pressure concentration of a traditional pressure pad is effectively solved. The utility model further discloses a toy gun.

The utility model discloses a parking lot remaining berth monitoring device, which relates to the technical field of parking lot monitoring and comprises a supporting column, a lifting mechanism is mounted on one side of the supporting column close to the top end, an adjusting assembly is mounted on one side of the lifting mechanism, and the adjusting assembly comprises a supporting frame. Supporting rods are fixedly installed at the positions, close to the two sides, of the top of the supporting frame, a protective cover is fixedly installed at the tops of the two supporting rods, three fixing shafts are installed at the bottom of the supporting frame, a display screen plate is movably installed on the front portion of the supporting frame, and two movable shafts are installed at the positions, close to the two sides, of the rear portion of the display screen plate and located between the three fixing shafts. The middle of the periphery of the movable shaft is sleeved with a friction sleeve. The parking lot parking space display screen is suitable for being installed at the position of an uphill and downhill entrance and exit of a parking lot, reading of remaining parking space information is facilitated, meanwhile, the shooting height and angle of the camera are convenient to adjust, and the shooting precision is improved.

The present invention discloses a novel mounting device for improving the shooting accuracy of a certain type of heavy machine gun, comprising a bracket; a slide assembly, which is arranged on one side of the bracket and is slidably connected to the bracket and is used to install the certain type of heavy machine gun; a right mounting fixed support plate and a left mounting fixed support plate, which are detachably mounted on the bracket and are respectively located on both sides of the certain type of heavy machine gun; a buffer, which is arranged on the right mounting fixed support plate and the left mounting fixed support plate and is connected to the slide assembly; the overall layout design is optimized, the modular design is compact in structure, and a variety of structures are designed to improve the shooting accuracy. The device has a remote control operation function, and the operator can control the machine gun in the vehicle body; manual-automatic first-shot loading and manual-automatic integrated electric firing are realized, single-shot and continuous-shot shooting and control are realized, and a novel mounting device that combines electromechanical and control, has a high degree of automation, high shooting accuracy, and high reliability is realized under the condition of limited space.

The utility model discloses a multi-angle adjustable composite bow damping side rod, and relates to the technical field of archery equipment, in particular to the multi-angle adjustable composite bow damping side rod. The shock-absorbing side rod comprises a shock-absorbing side rod body, a shock-absorbing mounting seat, a quick-release cap and a shock-absorbing head, the quick-release cap is fixedly arranged at the rear end of the shock-absorbing side rod body and connected with the shock-absorbing mounting seat, the shock-absorbing head is arranged at the front end of the shock-absorbing side rod body, and the shock-absorbing mounting seat is of a universal joint structure. The shock absorption installation base has the function that the shock absorption side rod body can rotate on the parallel plane of the bow body and can also rotate in the vertical direction of the bow face, a first connecting structure is arranged on the quick release cap, and a second connecting structure matched with the first connecting structure is arranged on the shock absorption installation base. The angle of the damping seat can be adjusted, so that multi-angle adjustment of the damping side rod is achieved, and the problems that in the prior art, the damping side rod cannot be subjected to angle adjustment according to the requirements of a shooter and cannot be rapidly mounted and dismounted are solved.