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174results about "Ammunition" patented technology

Inner cylinder cake breaking and feeding assembly and firework production equipment

The invention provides an inner cylinder cake breaking and feeding assembly and firework production equipment, and relates to the technical field of firework production equipment, and the inner cylinder cake breaking and feeding assembly comprises a first platform, a second platform, an inner cylinder cake moving mechanism, a pressing mechanism, a receiving mechanism and an inner cylinder moving mechanism. An inner cylinder cake is firstly placed on the first platform and is pushed to the first notch by the inner cylinder cake moving mechanism; when the pressing head presses the inner cylinder cake on the first notch downwards, the inner cylinder of the inner cylinder cake penetrates through the first notch downwards, and the ribbon of the inner cylinder cake is blocked by the edge of the first notch, so that the ribbon is separated from the inner cylinder; in addition, when the pressing head presses the inner cylinder cake downwards, the material receiving platform supports the inner cylinder of the inner cylinder cake from the lower part of the inner cylinder cake and synchronously moves downwards until the inner cylinder is aligned with the height of the second platform; and finally, the inner cylinder on the material receiving platform is moved forwards to the second platform by the inner cylinder moving mechanism. The inner barrel cake breaking and feeding assembly has the technical effects that an inner barrel can be automatically separated from a binding belt, manual cake breaking and feeding are not needed, and the inner barrel cake breaking and feeding assembly is safer.
Owner:LIUYANG HEHUA JINGONG MACHINERY EQUIPMENT CO LTD

Specially-shaped-charges for focusing fluid jets

ActiveUS12510334B2Explosive chargesBlasting cartridgesDetonatorLiquid jet
Provided herein are shaped-charges having curved walls to provide better controllable and improved liquid jet parameters. The shaped-charge comprises a container having a plurality of curved walls for containing a liquid. One or more explosive charges are immersed in the liquid and a detonator channel positioned through the container wall to controllably detonate the one or more explosive charges and from a wedge-shaped liquid jet. Multipoint initiation is achieved using a number of initiation points; a location of one or more initiation contact points with the geometrically-shaped explosive charges; and / or an initiation timing of each of the initiation contact points, including simultaneous initiation or a sequence of initiations. Also provided are related methods of forming liquid jets and attendant applications, including target disruption.
Owner:THE UNITED STATES OF AMERICA AS REPRESENTED BY THE FEDERAL BUREAU OF INVESTIGATION DEPT OF JUSTICE

Primer placement with shuttle

An apparatus, system, computer-readable medium, process, or combination thereof to seat a primer in a projectile casing. For example, a primer may be seated according to a depth indexed from a bottom of a projectile casing. A user, programmer, or control can seat, place, adjust, or otherwise determine a depth to seat a primer from a projectile casing bottom. A method to index a depth to seat a primer from a base of a projectile casing.
Owner:MANNIS OPERATIONS LLC

Explosive charging reaction threshold value measuring device based on thermal-compression-shear coupling effect

The invention provides a thermal-compression-shear coupling effect-based explosive charging reaction threshold value measuring device, which comprises a sleeve, the sleeve comprises a cylindrical sleeve body, and the sleeve body is internally and coaxially provided with an axially through sleeve center cylindrical cavity; a lower striking column, a grain bottom isolation plastic pad, a grain circumferential isolation plastic ring, a compression-shear conversion rubber pad and an upper striking column are sequentially and coaxially arranged in the cylindrical cavity in the center of the sleeve from bottom to top in the axial direction. An explosive column is further coaxially arranged in the explosive column circumferential isolation plastic ring, the axial length of the explosive column is equal to the axial length of the explosive column circumferential isolation plastic ring, and the diameter of the explosive column is equal to the inner diameter of the explosive column circumferential isolation plastic ring. The sleeve body is further provided with a sleeve thermocouple, and the sleeve body is further coaxially sleeved with an annular heating sleeve. According to the device, the reaction threshold value of the explosive charge under the heat-pressure-shear coupling effect can be obtained, and the amplitudes of the heat load and the mechanical impact load borne by the explosive charge can be quantitatively adjusted.
Owner:XIAN MODERN CHEM RES INST

Auxiliary preparation tool for blasting cartridge

A blasting cartridge auxiliary preparation tool comprises a cartridge containing barrel with the hollow interior and one open end, a corresponding baffle is arranged on the outer side of the open end of the cartridge containing barrel, and an adjusting push rod opposite to the baffle is arranged at the closed end of the cartridge containing barrel; the medicine containing cylinder comprises a hollow cylinder body with one end open, a corresponding sliding block is arranged in an inner cavity of the cylinder body, a corresponding bottom plate is arranged below the cylinder body, the side end, corresponding to the opening direction of the cylinder body, of the bottom plate extends outwards along the axis of the cylinder body to form a guide plate, and a guide groove parallel to the axis of the cylinder body is formed in the middle of the top face of the guide plate. The bottom end of the baffle is installed on the guide rod in a sliding mode, a connecting hole is formed in the side wall, opposite to the baffle, of the closed end of the barrel, the adjusting push rod comprises a rod body and a push handle, one end of the rod body penetrates through the connecting hole to be connected to the corresponding face of the sliding block, and the push handle is arranged at the other end, opposite to the sliding block, of the rod body. The explosive cutting precision is higher, the quality of manufactured cartridges is better, the performance is more stable, and the production error rate is smaller.
Owner:ZHONG GUO JIAN ZHU TU MU JIAN SHE YOU XIAN GONG SI

Automatic assembling device for missile body butt joint frame

The utility model relates to the field of shell production, in particular to an automatic assembling device for a shell body butt-joint frame, which comprises a placing table, a press-fitting table arranged on the lower side of the placing table, a linear guide rail arranged between the press-fitting table and the placing table, a servo lifting rotating unit arranged in the middle of the placing table, and a supporting and positioning unit arranged on the front side of the servo lifting rotating unit. The elastic body is driven by the servo lifting rotating unit to rotate so that a positioning pin at the tail of the elastic body can preliminarily correspond to a pin hole of the butt joint frame, then the positioning pin at the tail of the elastic body and the butt joint frame are accurately aligned through the alignment clamping jaw, and the whole elastic body is supported through the front V-shaped supporting block and the rear V-shaped supporting block. And under the supporting of the tail supporting unit, the servo press-fitting unit pushes the butt-joint frame to be press-fitted to the tail of the projectile body, then automatic press-fitting treatment of the butt-joint frame of the whole projectile body is completed, and the butt-joint frame mounting speed of the whole projectile body is increased.
Owner:HU NAN YUN JIAN JI TUAN YOU XIAN GONG SI +1

Long cartridge case - method of forming a closed end metal tube

PendingEP4663318A1AmmunitionHollow articles
A method of forming a closed end metal tube comprising cutting a blank 10 from a solid round metal wire, backward extruding an axial hole 11 in the blank 10 to produce a hollow sidewall 12 with a thickness, and reducing the sidewall thickness by using one or more Modified Hooker extrusions.
Owner:NATIONAL MACHINERY LLC

Wireless detonator inserting device for vertical blast hole charging

The invention discloses a wireless detonator inserting device for vertical blast hole charging, which belongs to the technical field of blasting engineering machinery and comprises an advancing mechanism, a cartridge clamping mechanism and a detonator inserting mechanism. According to the cartridge clamping mechanism, clamping blocks distributed in a long-strip-shaped annular array and a bottom supporting block cooperate to achieve uniform holding and stable bearing of the whole column of cartridges. The detonator inserting mechanism forms a high-precision linear motion unit through a positioning seat capable of vertically moving and a sliding barrel with a detonator forward-pushing long rod, the position can be adjusted according to the blasting depth, a wireless detonator is accurately and straightly inserted into a cartridge in the radial direction, and a rubber head at the end of the forward-pushing long rod of the detonator inserting mechanism effectively prevents the detonator from being damaged. The traditional dangerous manual operation is changed into mechanical operation, and the safety and efficiency of blasting charge operation are remarkably improved.
Owner:KUNMING UNIV OF SCI & TECH +1

Automatic medicine box cover closing equipment

ActiveCN224215968URealize automatic lid closingReliable clampingAmmunitionProcess engineeringMechanical engineering
The utility model discloses automatic medicine box cover closing equipment which comprises an equipment body, the equipment body comprises a weighing part, a cover closing part and a guide rail, the guide rail is provided with a lower mold capable of moving between the weighing part and the cover closing part in a reciprocating mode, a medicine shell is installed in the lower mold, a medicine charging machine for adding medicine into the medicine shell is arranged in the weighing part, and the lower mold is provided with a medicine charging opening. An air cylinder for packaging the medicine cover on the medicine shell is arranged in the cover closing part; the automatic cover closing device has the advantages that the lower die is used for loading the medicine shell, the medicine cover is pressed downwards through movement of the air cylinder, the medicine cover is blocked on the medicine shell, and automatic cover closing of the medicine box is achieved.
Owner:河南中南工业有限责任公司

Large cartridge charging machine card machine with card punching failure rate reducing structure

The utility model discloses a large cartridge charging machine clamping machine with a punching failure rate reducing structure, and relates to the technical field of charging machine clamping machines, the large cartridge charging machine clamping machine comprises a main fixing frame, a top electric cylinder is installed at the top end of an air cylinder fixing plate, a gantry moving frame is arranged in the main fixing frame, and a folding claw arm is arranged on the right side of the main fixing frame. According to the large cartridge charging machine clamping machine with the clamping failure rate reducing structure, the main fixing frame, the top electric cylinder, the first pin shaft, the first needle bearing, the second pin shaft, the second needle bearing, the hinge seat and the like are arranged, and the folding claw arms, the folding claw heads, the fixing claws and the claw grooves are arranged; the folding claw arm swings downwards by taking the second pin shaft as the circle center under radial thrust and is folded with the fixed claw, the folding claw head is matched with the fixed claw and the claw groove in shape and size, the folding claw head and the fixed claw are tightly folded, and the claw clamp is smoothly opened and closed; through the improvement of the structure, the failure rate of the card punching mechanism is reduced, and the problem that the bearing of the card punching mechanism is easy to damage is solved.
Owner:FUJIAN CIVILIAN BLASTING CHEM

Concentrated energy / kinetic energy series penetration structural body

The invention belongs to the technical field of deep underground target penetration, and particularly relates to an energy gathering / kinetic energy series penetration structural body which comprises a charging shell, the front end of the charging shell is provided with an opening, a shaped charge liner is arranged at the opening of the front end of the charging shell in an adhesive mode, the rear end of the charging shell is fixedly connected with a rear-stage connecting part, and the rear-stage connecting part is fixedly connected with the charging shell. The rear end of the rear-stage connecting part is connected with a rear-stage main projectile body, a charging buffer layer is arranged at the front end of an inner cavity of the rear-stage main projectile body, a rear-stage fuze is installed at the rear end of the rear-stage main projectile body, and the charging shell and the rear-stage main projectile body are both filled with gunpowder. Wide-speed-range penetration is achieved through the series connection structure, the rear-stage connecting part extends into the charging shell to be in threaded connection with the charging shell, the rear-stage connecting part is protected against damage by utilizing three-direction pressure stress generated by explosive detonation, meanwhile, the length of the rear-stage connecting part can be adjusted, the rear-stage connecting part is used for protecting a penetration projectile body structure under the condition of different penetration target-hitting speeds, and the penetration target-hitting speed is improved. And therefore, the purpose of increasing the penetration power is achieved.
Owner:ZHONGBEI UNIV

METHOD AND INSTALLATION FOR EXTRACTING PROPERGOL FROM A PROPELLER

The invention relates to a method for extracting propellant (18) from a charged propellant body (12), said charged propellant body (12) comprising an elongated structure (14) with principal axis A, which is an element of revolution about said principal axis (A), and within said structure, the propellant (18) is located. The extraction method consists of using at least one nozzle (24) producing a jet (28) of liquid that erodes the propellant (18), characterized in that the liquid jet (28) is a flat jet and in that the nozzle (24) follows a helical trajectory coaxial with the principal axis A during the extraction of the propellant (18). Figure 2
Owner:ARIANEGRP SAS

Coal mine roof deep hole presplitting directional blasting energy gathering pipe device

The utility model relates to the technical field of coal mines, in particular to a coal mine roof deep hole presplitting directional blasting energy gathering pipe device which comprises an upper energy gathering pipe, the two sides of the middle of the upper energy gathering pipe are connected with supporting frames through torque springs, and the two ends of the upper energy gathering pipe are provided with upper fixing frames. According to the coal mine top plate deep hole presplitting directional blasting energy gathering pipe device, the energy gathering pipe is firmly fixed to the preset position in a hole by installing the energy gathering pipe installing and disassembling mechanism, the energy gathering pipe is firmly fixed to the preset position in the hole, and therefore the energy gathering pipe is firmly fixed to the position in the hole; and meanwhile, by installing the supporting frame structure, the situation that the device falls off due to the gravity of the device during mine deep hole installation is prevented, by installing the containing groove, blasting materials such as explosives are accurately placed, and it is guaranteed that the initial distribution of the blasting energy is scientific and reasonable.
Owner:TONGMEI DATANG TASHAN COAL MINE CO LTD

Automatic filling equipment for square propellant bags of cannonballs and missiles

The invention discloses automatic filling equipment for square propellant bags of cannonballs and missiles. The automatic filling equipment is sequentially provided with a square propellant bag feeding mechanism, a propellant bag feeding mechanism, a propellant bag sewing mechanism and a finished product discharging mechanism according to the machining process. The lower ends of the medicine bag feeding mechanisms are provided with medicine bag opening mechanisms corresponding to the medicine bag feeding mechanisms. An ammunition feeding mechanism for realizing feeding for the ammunition packaging mechanism is arranged at the feeding position of the ammunition packaging mechanism; a set of medicine bag transferring mechanisms are further arranged, and the medicine bag transferring mechanisms extend to the finished product discharging mechanism from the square medicine bag feeding mechanism. Automatic ammunition filling processing of square ammunition bags can be achieved, and the effects of automatic adjustment of feeding, automatic bag opening filling, automatic sewing and automatic discharging can be achieved; manual participation is not needed in the working process; the processing effect of accurate weighing and discharging can be achieved through the medicine package feeding mechanism; the filling weight precision of the filling work can be effectively ensured; and the overall machining efficiency, machining precision and machining quality are higher.
Owner:MARTIAN INTELLIGENT EQUIP (DONGGUAN) CO LTD

Wire embedding tool and method for embedding metal wire grain

The wire embedding tool comprises a base, a metal wire guiding unit is coaxially arranged at the top of the base, the metal wire guiding unit is coaxially sleeved with a pouring barrel, the bottom of the pouring barrel is in sealed connection with the base, and the top of the pouring barrel is connected with an upper clamping ring which is coaxially arranged; and the top of the upper clamping ring is connected with an upper disc which is coaxially arranged. The metal wire guiding unit comprises a long-tube-shaped metal wire guiding unit body, a plurality of axially-through wire passing grooves are formed in the outer side wall of the metal wire guiding unit body, the multiple wire passing grooves are evenly distributed in the circumferential direction, and metal wires are distributed in the wire passing grooves. A metal wire transition guide block is arranged at the bottom of the metal wire guide unit body, a plurality of metal wire temporary fixing columns are arranged at the top of the metal wire guide unit body, and the metal wire temporary fixing columns correspond to the wire passing grooves one to one. According to the wire embedding tool, the problem that the operation space in a powder pouring barrel corresponding to a small-diameter metal wire embedding grain is limited is solved, and the quality of the metal wire embedding grain is ensured.
Owner:XIAN MODERN CHEM RES INST

Explosive sintering batching device for Ni-Al energetic shaped charge liner matrix

The utility model discloses an explosive sintering batching device for a Ni-Al energetic shaped charge liner base body, which belongs to the technical field of energetic material processing equipment and comprises a base, a vertical pipe, a vertical shaft, a first connecting beam and an ejector pin. The base is provided with counter bores for positioning the nylon seat; the vertical pipe is vertically fixed on the base, and a rubber layer is arranged on the inner side; the vertical shaft is of a square section structure and can be axially and movably arranged in the vertical pipe. The first connecting beam is connected with the top end of the vertical shaft and the ejector pin which vertically extends downwards to press the medicine tube. According to the device, through cooperative fixation of the ejector pin and the base, it is ensured that the explosive tube keeps vertical positioning in the explosive filling process, the problem that the explosive tube deflects due to explosive filling is effectively solved, and product defects caused by uneven sintering energy transfer are avoided. The finished product qualification rate of the explosive sintering cylinder is remarkably improved, the manufacturing time is shortened, and operation is convenient and reliable.
Owner:KUNMING UNIV OF SCI & TECH

Connecting device for detonating cord and cartridge

The invention relates to the technical field of blasting devices, in particular to a connecting device for a detonating cord and a cartridge, the connecting device for the detonating cord and the cartridge comprises a support frame and a rotary drum rotationally arranged on the support frame, and the rotary drum is of a hollow cylinder structure with two open ends and is used for allowing the detonating cord to pass through; the adhesive tape winding unit comprises a first winding disc eccentrically arranged on the periphery of the rotary drum, the first winding disc is used for bearing an adhesive tape roll, a tape inlet is formed in the drum wall of the rotary drum, and the working end of the adhesive tape roll can penetrate through the tape inlet to enter the rotary drum to form an adhesive-coated detonating cord; the cartridge discharging unit comprises a discharging disc synchronously rotating along with the rotary drum, and the discharging disc is provided with at least one discharging station used for containing cartridges; the technical problems that in the prior art, due to the fact that multiple procedures such as hot-melt pressure-sensitive adhesive tape winding, cartridge blanking and final binding are carried out step by step, equipment is complex, and cooperation is difficult are solved.
Owner:KUNMING UNIV OF SCI & TECH

Device and method for automatically rolling and assembling copper removal agent in combustible cartridge case with large length-diameter ratio

The invention relates to the technical field of automatic assembly of initiating explosive device medicament equipment, and discloses a device and method for automatically rolling and assembling a copper removal agent in a combustible cartridge case with the large length-diameter ratio, the device comprises a supporting frame, the supporting frame is placed on the ground and used for placing other mechanisms, and a copper removal agent feeding mechanism is arranged on the supporting frame; the winding and shearing module workbench and the assembly executing mechanism are arranged on the upper layer of the supporting frame; the taking and placing clamping mechanism and the feeding and discharging mechanism are arranged on the lower layer of the supporting frame; by integrating the five core advantages of rapid feeding and discharging, high-precision automatic winding and shearing, automatic assembling, coaxial conveying and automatic disassembling and assembling and aiming at the characteristics that the length-diameter ratio of the large-length-diameter-ratio combustible cartridge is too large, the pipe wall is prone to deformation, and the structure is prone to damage, coaxial positioning operation and flexible process installation are adopted, full-process automation of winding and assembling is achieved, and the production efficiency is improved. The problems of poor manual operation consistency, uncontrollable quality, low efficiency, insufficient safety protection and the like in the prior art are solved.
Owner:LIGHT INDAL XIAN MECHANIC DESIGN RES INST

Charging device for initiating explosive device production

The invention relates to the technical field of initiating explosive device production, and discloses an explosive charging device for initiating explosive device production, which comprises a base, a conveying belt is arranged in the base, a support frame is fixedly connected to the front side of the base, a fixed plate is fixedly connected to one side of the support frame, a stock bin is fixedly connected to one side of the top of the support frame, and the fixed plate is fixedly connected to the other side of the top of the stock bin. And one side of the fixing plate is fixedly connected with a discharging port, the top of the fixing plate is provided with a charging assembly and an adjusting assembly, and the bottom of the fixing plate is provided with a rotating assembly. A motor is started to drive a half gear to rotate, the half gear rotates to drive a rotating disc to intermittently rotate through cooperation of a full gear and a rotating shaft, the rotating period is a half circle, the two first feeding pipes are arranged at the bottom of a stock bin and the top of a discharging port correspondingly, one feeding pipe feeds the other feeding pipe, and the two feeding pipes alternately operate and move; in the moving process, the cover plate is in a sealed state, raw material leakage is avoided, and the charging continuity and the production efficiency are improved.
Owner:XIAN HONGGUANXING INTELLIGENT ELECTROMECHANICAL TECH CO LTD

Method of handling flowable materials

A method for handling a flowable material 208, comprises the step of: aligning a first container 206 with a dispensing means 202. A nozzle 204 extends from the dispensing means 202 at least partially into the first container 206. Flowable material 208 is deposited from the nozzle 204. The nozzle 204 is retracted while the flowable material 208 is being deposited from the nozzle 204. Further deposition of the flowable material 208 is stopped and the nozzle 204 removed from the first container 206 when a measured amount of flowable material 208 has been deposited. The first container 206 is then sealed. Also disclosed is a system for handling a flowable material 208. The flowable material 208 may be an energetic material, such as an explosive. [Figure 3 to accompany the abstract]
Owner:BAE SYSTEMS PLC

Miniature glide projectile launched from unmanned aerial system

A projectile for use with an unmanned aerial vehicle is adaptively configured to permit the projectile payload unit to be selectively changed by personnel in the field. The projectile body may be threaded or otherwise configured to engage a correspondingly configured aft end of a payload unit. Payload units designed for different mission functions may be engaged by the projectile body so that a mission-appropriate payload can be selected and secured to the projectile body aboard ship or other location from which the unmanned aerial vehicle is to be dispatched.
Owner:L3HARRIS TECH INC

Automatic mold pulling device adaptive to composite charging process

The invention discloses an automatic mold pulling device adaptive to a composite charging process, which realizes full-automatic mold pulling of composite charging through mutual cooperation of an automatic moving assembly table, automatic mold pulling equipment, an automatic mechanical arm and a control system, so that the mold pulling efficiency is improved. Personnel can be isolated from a draft workshop through automatic draft, manual operation is reduced, and life, health and safety of the personnel are guaranteed; the automatic positioning equipment is matched with the limiting equipment, so that refined mold drawing is realized, and the mold drawing precision is obviously improved; and through the movement of the movable bracket on the automatic moving assembly table, the device can be adapted to a draft process of a shell with the diameter of 0.15-0.8 m, and the applicability is wide. In addition, according to the automatic mold pulling device, the electric cylinder can be controlled through the control system to achieve output of large torque and large pulling-out force, and the maximum output does not exceed 3000N mold pulling force.
Owner:BEIJING INST OF TECH

Device

A device for holding cartridge cases comprises a base 8 and a clamping plate 10 arranged to releasably clamp a cartridge case 30 therebetween. The clamping plate 10 is biased towards the base 8 by a b
Owner:RODERICK JOHN MATHIAS +2

Full-automatic propellant fixed-length cutting device

The application discloses a kind of full-automatic propellant fixed-length cutting device, belong to cutting processing technical field, including workbench and be set at the top end of workbench for cutting propellant cutting combination, the bottom end of workbench is connected with multiple support legs, the top end of workbench is connected with the protective cover for explosion prevention, the top end of workbench is connected with two symmetrically arranged right-angled trapezoidal for limiting propellant limiting plate, the top end of workbench is provided with blanking groove for facilitating cutting waste slag to fall down;The bottom end of workbench is detachably connected with the liquid containing box compatible with blanking groove, two vertical inner walls of liquid containing box are connected with inclined plate, and the inclined filter frame between inclined plate and liquid containing box, the inner wall of filter frame is connected with the filter screen for filtering air.The full-automatic propellant fixed-length cutting device can not only isolate and ensure the safety of operation, but also can special material handling for unqualified propellant.
Owner:JIANGXI WEIYUAN EXPLOSIVES CO LTD

Explosive injection pipe for emulsion explosive charging machine

The utility model discloses an explosive injection pipe for an emulsion explosive charging machine, which comprises a forming pipe, a positioning groove is arranged on the left side of the top end of the forming pipe, a wear-resistant alloy block is arranged on the inner side of the positioning groove, and the outer edge of the wear-resistant alloy block protrudes out of the surface of the forming pipe. The worn part of the plastic film heat sealing surface of the formed pipe is reprocessed into the groove to form the positioning groove, the wear-resistant alloy block is welded into the positioning groove, the thickness of the wear-resistant alloy block is slightly larger than that of the plastic film heat sealing surface, the wear-resistant alloy block is convenient to replace after being worn, the formed pipe can be repeatedly used, and the repairing and using functions of the explosive filling machine explosive injection pipe are achieved.
Owner:FUJIAN CIVILIAN BLASTING CHEM

A shell tightening apparatus

ActiveCN115523807BAmmunitionMortarMachining
The application provides a cannonball tightening device and relates to the field of machining manufacturing equipment, which comprises a rack, a fixing device and a tightening device; the fixing device is arranged on the rack and is used for fixing a cannonball body; the positioning device is arranged on the rack and is used for grabbing and fixing a tail wing; the tightening device comprises a clamping assembly and a driving assembly, both of which are arranged on the rack; the output end of the driving assembly is connected with the clamping assembly; the clamping assembly is used for clamping and fixing the tail wing; and the driving assembly is used for driving the clamping assembly to tighten the tail wing. The application solves the problems of low safety coefficient and low operation efficiency caused by manual participation in traditional mortar machining equipment and has the advantages of high automation degree, high safety coefficient and high machining efficiency.
Owner:FOSHAN UNIVERSITY

Blast shield apparatus and method

In one embodiment, a blast shield apparatus comprises: a blast resistant blanket having a blanket edge and a blanket center region; a plurality of blanket magnets disposed near the blanket edge and distributed along the blanket edge; and a chamber having a first side facing the blast resistant blanket and coupled to the blanket center region of the blast resistant blanket, and a second side opposite from the first side and facing away from the blast resistant blanket. The chamber includes a chamber interior to store a gas.
Owner:UNITED STATES OF AMERICA THE AS REPRESENTED BY THE SEC OF THE ARMY