177 results about "Muzzle" patented technology

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

An assembly (1) for a firearm (2). The assembly includes a muzzle device (3) configured to be attached to the firearm (2), a substantially tubular muzzle adapter (9), a substantially tubular attachment mount (15), a substantially tubular clutch collar (19), and a device (23) such as a sound suppressor. The device (23) is releasably attached to the substantially tubular attachment mount (15) by an attachment device (25). The muzzle device (3) is configured to be releasably received in the substantially tubular muzzle adapter (9). The substantially tubular muzzle adapter (9) is attached to the substantially tubular clutch collar (19) for rotation about the longitudinal central axis A together with the substantially tubular clutch collar (19) with respect to the device (23), to the muzzle device (3) and to the substantially tubular attachment mount (15) between (i) a locking position, and (ii) an unlocking position.

A muzzle device for a firearm may include a device body and a plurality of ball bearings. The device body may be configured to be removably secured to a mount body of a mount configured to be secured to a barrel of the firearm, the mount body including a plurality of lugs each extending radially outward relative to a longitudinal axis of the mount and including a stop and a detent. The device body may include a plurality of protrusions each extending radially inward relative to a longitudinal axis of the muzzle device and configured to engage the stop of a respective lug of the mount to prevent rotation of the muzzle device relative to the mount in a first direction. The ball bearings each may be configured to move relative to the device body and to engage the detent of a respective lug of the mount to inhibit rotation of the muzzle device relative to the mount in a second direction opposite the first direction.

The present disclosure provides systems and techniques for an attachment that can be fastened to a gun. The attachment may include a top surface having a longitudinal axis and an aiming sight that is parallel with the longitudinal axis, a front surface having a latitudinal axis that is perpendicular to the longitudinal axis, the front surface including a muzzle aperture, a left surface, a right surface, and a fastening system. The fastening system may include a first mounting aperture of the left surface, a second mounting aperture of the right surface, and a locking pin capable of being positioned in the first mounting aperture and in the second mounting aperture such that the locking pin fastens the attachment to the gun. The attachment may be fastened to the gun such that the longitudinal axis is parallel with a longitudinal bore axis of the gun.

The invention discloses a nail gun, and belongs to the technical field of power tools. The nail gun comprises a gun body, a firing pin and a torsion spring, the firing pin is movably arranged in the gun body, a torsion spring body of the torsion spring is rotatably connected with the gun body, a first torsion arm of the torsion spring is connected with the firing pin, a second torsion arm of the torsion spring is connected with the gun body, and the torsion spring is used for driving the firing pin to move towards a muzzle of the gun body. According to the scheme, the torsional spring is adopted as a driving part to drive the firing pin to move towards the muzzle of the gun body to achieve the nail striking effect, the structure is simple, the torsional spring is low in cost and convenient to disassemble, assemble and replace, the use cost of the nail gun is reduced, and due to the fact that the torsional spring has the vibration absorbing and striking effects, the service life of the nail gun is prolonged. And in the process of driving the firing pin to move, the effects of buffering impact and reducing vibration can be achieved, the problem of vibration is avoided, and therefore the use experience feeling of the nail gun can be improved.

A sound suppressor for a firearm is disclosed. The sound suppressor includes a tubular casing adapted to be attached at the muzzle of a firearm, a distal end including an end cap with an exit orifice adapted to permit the passage of a projectile; a core structure defining at least one flow disruptor adapted to disrupt flow of propellant gases leaving said muzzle, said core structure furthermore defining a projectile passageway adapted to be aligned with a bore of said firearm and adapted to permit the passage of a projectile from said muzzle to said exit orifice; a plurality of water drainage openings passing through said tubular casing on an underside thereof, and a shutter including a plurality of through-holes, said shutter being slidably mounted on said tubular casing and displaceable from a first position and a second position.

A firearm suppression system includes a housing, a muzzle adapter, an end cap, and a core. The housing includes a first aperture at a first end and a second aperture at a second end. An inner compartment may be interposed between the first aperture and the second aperture. The inner compartment may be configured to receive the core. The muzzle adapter may be threadably coupled near the first end of the housing, and the end cap may be threadably coupled to the second end of the housing. The core may be removably attachable to the housing and positioned within the inner compartment of the housing. Between an outer surface of the core and the inner surface of the housing may be a channel that equalizes pressure. The outer surface of the core may comprise a plurality of apertures that lead to baffles.

The present invention provides a quick coupling muzzle booster and suppressor adaptor system having a quick coupling muzzle booster and suppressor adaptor and direct rifle mount that can be coupled to a suppressor and mounted on a lock breech pistol or pistol caliber carbine. The system according to the invention provides wherein the quick coupling muzzle booster includes a booster slide with an external quick connect for coupling to the suppressor adaptor, and wherein the external quick connect of the booster slide includes a plurality of lugs corresponding to a proximal end of a housing of the suppressor coupling, and wherein the muzzle booster includes a booster piston that is coupled to a pistol. The system according to the invention may provide wherein the muzzle booster includes a booster piston nut with a spring, wherein the booster piston nut is coupled to the booster piston.

A firearm or firearm retrofit assembly may include a compensation assembly to receive gas expelled from a muzzle of a barrel or an egress in a length of the barrel. The compensation assembly may include one or more gas flow-directing sections to tune the flow of gas through the compensation assembly, which may reduce recoil. Other embodiments may be disclosed and / or claimed.

The invention discloses a split Hopkinson pressure bar automatic experiment device based on a multi-axis manipulator and an inflatable plug, the split Hopkinson pressure bar automatic experiment device comprises a rack, a gas gun, a shaper, an incident bar, a transmission bar and a fastener, the multi-axis manipulator is arranged on the side of the gas gun, and a polishing piece, a negative pressure adsorption piece and a clamping piece are integrated at the tail end of the manipulator; an inflatable plug with an air bag is arranged, the plug is provided with an auxiliary air channel and a main air channel, the auxiliary air channel inflates the air bag to seal an outlet of the bore, and then compressed air is introduced into the main air channel to push the bullets back to a firing position; the device sequentially completes end face polishing, reshaper automatic pasting and bullet automatic resetting, full-process automation of experiment preparation and post-treatment is achieved, and manual tweezers pasting and long rod bullet retreating operation can be replaced.

The utility model relates to an electrostatic coating device, which aims to solve the technical problem that the current paint liquid drops on equipment and is difficult to clean, and comprises a spraying rack, an electrostatic spraying gun is arranged on a Y-axis driving lead screw of the spraying rack, and the electrostatic coating device further comprises a drip-proof structure; the drip-proof structure is arranged at the bottom of the electrostatic spraying gun base; the drip-proof structure comprises a transverse plate and a collecting box; the inner end of the transverse plate is fixedly arranged at the bottom of the electrostatic spraying gun base; the collecting box is arranged at the outer end of the transverse plate. The paint liquid collecting device has the advantages that paint liquid dripping from a muzzle of the electrostatic spraying gun is collected, and the dripping paint liquid cannot drip disorderly.

The invention discloses a nail gun. The nail gun comprises a gun head and a magazine mounted on the gun head, the gun head comprises a gun barrel and a gun nozzle; the gun nozzle axially stretches out and draws back at the front end of the gun barrel; a bumping needle hole and a gun nail placing hole are formed in the gun barrel; the striker hole is used for coaxially moving the striker; the gun nail placing hole and the gun nail placing hole are coaxially arranged; tangent planes of one sides, far away from the magazine, of the striker hole and the gun nail placing hole are coplanar; and the diameter of the striking needle hole is smaller than that of the gun nail placing hole. After the firing pin completes firing, the head of the firing pin does not make contact with a broken plastic connecting piece on a shoot nail on the lower side, and the nail clamping phenomenon caused by the fact that the next shoot nail is driven to move forwards due to the fact that the head of the firing pin is abraded is effectively avoided.

The application is an array type electrostatic sensor, a projectile velocity measuring device and method based on the sensor. The array type electrostatic sensor is in the shape of a tube coaxially arranged behind the projectile outlet and the barrel or bore body, and a plurality of circumferentially arrayed graphite electrodes in a pleated triangle structure are arranged at the upstream and downstream cross sections along the axis of the tube. The measuring device comprises an induction unit, a signal conditioning unit and an analysis and calculation unit, obtains the electrostatic induction signal component belonging to the projectile, then according to the velocity range of different projectile models, selects the electrostatic induction signals of the electrodes at different positions in different cross sections to reconstruct the charge distribution and establish the cross correlation sensitivity matrix, and further based on the correlation focusing principle of the electrodes at different cross sections, proposes a data fusion algorithm of multiple sensor electrodes, and finally measures the muzzle projectile velocity. The application proposes to use electrostatic field sensing measurement as a new means for projectile testing in view of the complex environment of high temperature and high pressure at the muzzle.

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 invention discloses a muzzle arc energy and mass center spatio-temporal evolution analysis method and system, and relates to the technical field of muzzle arc analysis, and the method comprises the steps: building an electromagnetic track launch muzzle arc simulation experiment platform, and obtaining a muzzle arc image through a high-speed photographing system; an arc contour image is obtained based on a local adaptive threshold segmentation and morphological gradient extraction algorithm, and the integrity and robustness of arc contour extraction are improved; based on a robust centroid tracking algorithm of multi-connected domain energy fusion and time sequence consistency constraint, a final arc centroid is obtained, and stable positioning and tracking of the arc energy centroid in the full evolution stage are achieved; and quantitatively analyzing the time-domain evolution characteristics of the highlighted area of the muzzle arc and the law of the spatial motion trail of the mass center of the highlighted area based on the muzzle arc images at different muzzle speed. An effective means is provided for quantitative characterization of a bore port arc, and an experimental basis and a theoretical reference are provided for optimization of a bore port structure, anti-ablation design, regulation and control of emission working conditions and the like of an electromagnetic emission system.

The application provides a high-velocity gun zero-flying error detection method, device, equipment and storage medium, and relates to the technical field of weapon equipment test error correction. The method comprises the following steps: acquiring a target image collected by a camera fixed on a high-velocity gun barrel during a zero-flying test in an ideal environment as a reference image; acquiring a muzzle blast intensity, optical visibility, illumination mutation rate, camera posture data and an actual image collected by the camera during an actual zero-flying test of the high-velocity gun; performing error prediction on the reference image according to the muzzle blast intensity, optical visibility, illumination mutation rate and camera posture data, and obtaining a prediction error of the actual image relative to the reference image; performing error correction on the actual image according to the prediction error, and performing zero-flying error detection according to the corrected actual image. The application can realize accurate detection of zero-flying errors in different zero-flying test environments and improve environmental adaptability.

A safety device is adapted for an electric nail gun that includes a body, a muzzle device, and a safety switch. The safety device includes a first safety member, a second safety member, and a bias unit. The first safety member is adapted to be movably mounted to the muzzle device, and includes a connection portion. The second safety member includes a limitation portion and a contact portion. The limitation portion is adapted for cooperating with the body to define a predetermined stroke and is spaced apart from the connection portion of the first safety member by a predetermined distance. The bias unit resiliently biases the first safety member and the second safety member away from the body. The first safety member is operable to move relative to the second safety member by an adjustment stroke that is shorter than the predetermined distance.

The utility model relates to the technical field of nail guns, in particular to a high-precision processing device of a nail gun, which comprises a gun barrel and a positioning slide rail, one side of the gun barrel is connected with a handle, the end part of the handle is connected with an air pipe, the air pipe is communicated with an external air pump, and the bottom of the gun barrel is provided with a movable top block for pushing a gun nail. The bottom of the gun barrel is sleeved with a lantern ring, the outer wall of the lantern ring is connected with a positioning rod, the bottom of the positioning rod is provided with a sliding block, the sliding block is slidably arranged in a positioning sliding rail, an adhesive piece adheres to the bottom of the positioning sliding rail, a muzzle is formed in the bottom of the gun barrel, a gun nail frame is inserted into the muzzle, and a supporting rod is arranged at the bottom of the handle. According to the high-precision machining device of the nail gun, the positioning sliding rail is adopted for auxiliary positioning, the accuracy of the machining position can be guaranteed when a workpiece is machined, the machining precision is improved, and meanwhile the high-precision machining device of the nail gun is simple in structure and convenient to use.

Provided is a blank firing adapter for a firearm that prevents a bullet or fragmentation from exiting a firearm barrel and traveling downrange. The device includes a body, a fore end, an aft end, a bore, a transverse exhaust hole, and a flange. The body is positioned within a muzzle end of the firearm barrel. The fore end includes a solid material to prevent bullet fragmentation from directly exiting the barrel in a direction coinciding with a point-of-aim direction when a live round is fired, and the transverse exhaust hole redirects gas traveling through the bore to a direction transverse to the muzzle end of the barrel. The device generates backpressure to permit automatic cycling of a weapon system, safely catches a fired bullet without any fragmentation to travel downrange, and is visually inconspicuous to the casual observer when installed, while allowing for the use of externally attached devices.

A device for determining a firing position from which a projectile has been fired at a target object is proposed, comprising:at least one sensor unit for detecting an impact of the projectile in the target object,at least one acoustic sensor unit for detecting a muzzle blast when the projectile is fired, anda determination unit which is arranged to determine the firing position on the basis of the detected muzzle blast and the detected impact.

The invention relates to a hollow-point projectile with a one-piece construction, comprising a cylindrical section (1) and an ogive section (2), the projectile tip (3) being located at the end of the ogive section (2) opposite the cylindrical section (1), wherein the ogive section (2) is divided into at least two segments (4.1, 4.2, 4.3, 4.4) and has a channel (7) which has a muzzle (6) in the region of the projectile tip (3). The cylindrical section (1) and the ogive section (2) have a completely closed outer surface.

A firearm attachable bullet trap (2) including a hollow body (3) configured to be releasable connected a muzzle end (7) of a rifle barrel (8) of a firearm (1). The hollow body (3) defining a ballistic plate chamber (9). The firearm attachable bullet trap (2) including a ballistic plate (12) in the ballistic plate chamber (9), and a bullet deforming part (14) within the hollow body (3), wherein the bullet deforming part (14) has a central channel (15), wherein the central channel (15) having a central axis A. The central channel (15) of the bullet deforming part (14) includes an open-sided channel section (17) that is radially limited by stationary cutter blades (18), wherein each stationary cutter blade (18) has a second proximal end (19) and a second distal (20). The stationary cutter blades (18) being equally spaced about the central axis A of the central channel (15).

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.

A muzzle attachment for a firearm includes an attachment body defining a projectile passage therethrough along a longitudinal axis, the projectile passage having a proximal end portion sized to receive a distal end portion of a barrel of the firearm or an adapter attached to the barrel. A locking assembly is provided in the attachment body and is operable to tighten the body to the barrel or muzzle adapter by engaging the barrel or muzzle adapter. In one example, the locking assembly includes a fastener that when advanced moves a yoke into engagement with a circumferential groove on the barrel or muzzle adapter. The attachment can be, for example, a compensator, flash hider, or muzzle brake.

A firearm barrel has an elongated body defining a bore and defining a bore axis, the body defining a breech end and an opposed muzzle end, a chamber defined in the breech end and contiguous with the bore; the bore having an interior surface having a plurality of alternating lands and grooves, the grooves being surfaces separated from the bore axis by first radius, the lands being surfaces separated from the bore axis by second radius less than the first radius and the lands and grooves being straight elements parallel to the bore axis, such that no spin is imparted to a projectile propelled down the bore. The lands and grooves may extend from the chamber to the muzzle end. The bore may have a constant cross-sectional profile along its length.

A reloading firearm featuring a mechanism to reduce the blowback of toxic propellant gasses towards the warfighter. The reloading assembly acts in plural segments to increase the firing chamber-closed dwell time, while limiting adverse impact to the overall nominal rate of fire. Greater dwell time corresponds with reduced exposure of the warfighter to propellant gasses. Moreover, increasing the dwell time without otherwise altering the firing cycle has the additional effect of delaying the breech opening after the cartridge is fired. This delay in breech opening permits gas pressure at the muzzle, which may be elevated and / or constrained by flash and / or sound suppression, to dissipate before the breech is opened. Accordingly, when the breech opens later in the firing cycle, there is a reduced pressure gradient across the combination of barrel and firing chamber, which reduces a driving force of propellant gasses towards the warfighter via the open breech.

A pistol comprising a frame, a slide operable to reciprocate with respect to the frame and having an upper surface and a forward end. A barrel received by the slide and having a muzzle spaced rearward from the forward end of the slide, and the upper surface of the slide being sloped upward forward of the muzzle of the barrel.

A portable air measuring gun comprises a gun body, a muzzle is provided with an internal thread interface, a cavity communicated with the muzzle is transversely arranged in the gun body, a measuring column and a pull rod which can move back and forth are arranged in the cavity, the measuring column is arranged in front of the pull rod, and the pull rod is provided with an elastic lock catch which is detachably connected with the measuring column. When the pull rod moves forwards in place, the measuring column is connected with the pull rod, and during measurement, the pull rod moves backwards to drive the measuring column to move to the position of the wrench lock catch, the measuring column is positioned and locked, and the pull rod moves forwards and then continues to move backwards to be separated from the measuring column. When the wrench is pulled, the wrench lock catch is separated from the measuring column, the measuring column moves forwards, and scales capable of measuring the moving distance of the measuring column are arranged on the gun body. The device is simple and small in structure and convenient to carry, gas testing can be achieved without power connection and gas connection, and testing is convenient and reliable.

The application relates to the technical field of linear size measurement or angle measurement, in particular to a position sensitive detector-based on-the-move muzzle deflection measuring device and method, which solves the technical problems of large device error and incapability of measuring on-the-move muzzle deflection of the prior art static measuring device for muzzle deflection; the device comprises a first laser, a second laser, a first PSD, a second PSD, a signal processing device, a signal collecting device and a computer, the first and second PSDs are symmetrically installed to the two sides of a muzzle, the first and second lasers are installed to the two sides of a muzzle tail, laser of the first laser is incident to the first PSD, laser of the second laser is incident to the second PSD, the signal output ends of the first and second PSDs are connected with the signal input end of the computer in sequence through the signal processing device and the signal collecting device. The device can realize real-time accurate measurement of on-the-move muzzle translation and rotation in the reciprocating process.

The utility model provides a nail shooting device and belongs to the technical field of nail shooting devices. The technical problem that an existing nail shooting device is insufficient in safety is solved. The nail shooting device comprises a shell, a sleeve and a firing pin rod, the shell is in a pistol shape, a muzzle portion of the shell and the sleeve are both in a barrel shape, a columnar excitation cap capable of reciprocating in the radial direction of the firing pin rod is arranged on the periphery of the firing pin rod, the firing pin rod is axially connected into the muzzle portion in a sliding mode, and the sleeve is arranged on the periphery of the firing pin rod in a sliding and sleeved mode. The firing pin rod is axially positioned with the sleeve through the excitation cap, the inner hole wall of the muzzle part is provided with an excitation inclined surface, the nail shooter further comprises a rod-shaped limiting piece, the periphery of the muzzle part is provided with a limiting through hole formed in the radial direction, the limiting piece is axially connected into the limiting through hole in a sliding mode, and when the sleeve abuts against the limiting piece stretching into the inner hole of the muzzle part in the axial direction, the firing pin rod is driven by the limiting piece to rotate. And a gap is reserved between the excitation cap and the excitation inclined surface along the axial direction of the sleeve. The utility model has better safety.