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14results about How to "Reduce recoil" patented technology
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Rocket type catching net launching device
ActiveCN222544557Ueasy accesslow costDefence devicesCompressed gas gunsGas cylinderStructural engineering
The utility model discloses a rocket type catching net launching device which comprises gun barrels, gas bombs, a percussion mechanism, a catching net, a cartridge receiver and a folding telescopic rod, the gas bombs are arranged in the corresponding gun barrels, the percussion mechanism is arranged at the tail ends of the gun barrels, the catching net is connected with the gas bombs, and a fixing part is fixedly installed at the front end of an inner cavity of the cartridge receiver. The tail end of the gun barrel is detachably installed on the front side of the fixing component, and the folding telescopic rod is arranged at the front end of the gun barrel. The high-pressure gas cylinder is adopted as launching power, compared with power sources such as ammunition and fuel, higher safety is achieved, materials are easy to obtain, cost is lower, the unfolding angle of the gun barrel can be freely adjusted according to actual requirements, the larger the unfolding angle is, the higher the unfolding speed of the catching net is, and the closer the flying distance is. The method is suitable for close-range combat; otherwise, the smaller the unfolding angle is, the slower the unfolding speed of the catching net is, the farther the flying distance is, and the catching net is suitable for long-distance combat.
Owner:大连东恒广宇科技有限公司
Steel coil transfer device
Owner:NANJING QIANKUN INFORMATION TECH CO LTD
Directional blasting device
The utility model relates to the technical field of blasting, in particular to a directional blasting device for a blaster, which comprises a first mounting plate and a second mounting plate. A gun barrel is hinged to one end of the first mounting plate, and a first sleeve is hinged to the other end of the first mounting plate; a first connecting shaft is nested in the first sleeve, the end, away from the hinge part, of the first sleeve is connected with one end of the first connecting shaft in a sleeving mode, and the interior of the first sleeve is hollow; a first connecting block is arranged on the lower side of the gun barrel, and one end of the first connecting block is connected with the other end of the first connecting shaft; the other end of the first connecting block is in contact with the lower side of the gun barrel; the first sleeve and one end of the first connecting shaft penetrate through the adjusting hole and the through hole through the bolt and are connected through the matched nut, and the angle of the gun barrel is adjusted according to the calculated angle needing to be thrown. And generated recoil force is buffered through a buffer device arranged between the first mounting plate and the second mounting plate, so that the directional blasting device is more stable.
Owner:XINJIANG XINJUNENG BLASTING ENG CO LTD
Auxiliary sand cleaning device and method for sand core forming
ActiveCN119500994AResidue reductionemission reductionMoulding machine componentsMoulding machinesCantilevered beamMechanical engineering
The invention relates to an auxiliary sand cleaning device and method for sand core forming. The device comprises a fixed part, a rotating part and a flapping part. The fixing part comprises a connecting frame, and a rotary driving piece is arranged on the connecting frame; the rotating part comprises a cantilever beam, one end of the cantilever beam is connected with the output end of the rotating driving piece, and the other end is connected with the flapping part; the flapping part comprises a floating mechanism and a floating plate; the floating mechanism provides elastic restoring force for the floating plate, so that the floating plate can float relative to the cantilever beam after being subjected to external force; the area of the floating plate is larger than that of a sand shooting opening of the core making mold; in the working process, the connecting frame is used for being connected with sand shooting equipment, the rotating driving piece is used for providing rotating torque, the cantilever beam is used for converting the rotating torque into beating motion of the beating part, and therefore the floating plate can be aligned with a sand shooting opening for repeated beating. Uncured precoated sand in the sand core can be removed to the maximum extent, and the sand discharging effect is improved.
Owner:WUXI XINAN ALUMINUM TECH
Water jet robot and construction method thereof
PendingCN119145318Areduce jitterImprove running stabilitySpraying apparatusBridge structural detailsStructural engineeringMechanical engineering
The invention belongs to the technical field of urban road construction, and discloses a water jet robot and a construction method thereof. The supporting mechanism comprises a support, a first supporting piece, a second supporting piece and a third supporting piece, the support is connected to the advancing mechanism and extends towards the bottom of the elevated anti-collision wall sequentially through the inner side, the top and the outer side of the elevated anti-collision wall, the first supporting piece is connected to the side, facing the inner side surface of the elevated anti-collision wall, of the support and abuts against the inner side surface, and the second supporting piece abuts against the third supporting piece. The second supporting piece is connected to the side, facing the outer side surface of the elevated anti-collision wall, of the support and abuts against the outer side surface, and the third supporting piece is connected to the side, facing the bottom of the elevated anti-collision wall, of the support and abuts against the bottom. The advancing mechanism can drive the supporting mechanism to move together; and the spray head mechanism is movably connected to the advancing mechanism and is detachable relative to the advancing mechanism, and the advancing mechanism can drive the spray head mechanism to move. The safety performance and the operation stability of the water jet robot can be improved.
Owner:SHANGHAI MECHANIZED CONSTR GRP
Fire-fighting device for building construction
ActiveCN222445240Uincrease flexibilityreduce recoilFire rescueArchitectural engineeringBuilding construction
The utility model discloses a building construction fire-fighting device which comprises a fixing plate, walking wheels are installed on the two sides of the fixing plate, a supporting ring is fixedly connected to the top of the fixing plate, and a supporting cylinder is rotationally connected to the inner wall of the supporting ring. By arranging the electric push rod, the supporting plate and the walking wheels, the electric push rod can be started to drive the supporting plate to move downwards during fire extinguishing, so that the building construction fire-fighting device is supported, the walking wheels are separated from the ground, recoil force generated by a fire-fighting pipeline can be greatly reduced, and fire extinguishing efficiency is improved. And when the building construction fire fighting device needs to be moved according to the fire behavior change, an electric push rod is directly started, so that a supporting plate is folded, the walking wheels can make contact with the ground again, the position is rapidly adjusted, and the safety of the building construction fire fighting device is improved. The flexibility of the building construction fire-fighting device is greatly improved, and the spraying position is adjusted in time according to the change of fire behavior.
Owner:MAANSHAN XINFENG CONSTR & INSTALLATION CO LTD
Micro motor assembly and electronic device
ActiveCN110266144Breduce recoilExtended service lifeToothed gearingsMechanical energy handlingElectric machineryTransmission technology
The embodiment of the present application provides a micro motor assembly and electronic equipment, which relates to the field of transmission technology and can effectively reduce the recoil effect on the micro motor and increase the service life of the micro motor. The micro motor assembly includes a micro motor and a transmission structure, the transmission structure includes a deformable elastic member, and the micro motor transmits torque through the elastic member to drive the driven component to move. The micro motor assembly provided in the embodiment of the present application can be used to provide power.
Owner:HUAWEI TECH CO LTD
120mm double-tube rapid automatic mortar
PendingCN119509250Areduce recoileasy dischargeAmmunition storageAmmunition loadingClassical mechanicsMortar
The invention relates to the field of firearms, in particular to a 120 mm double-tube rapid automatic mortar which comprises a rack and a launching device installed on the rack and used for launching cannonballs, the launching device comprises a gun barrel and a breechblock, the breechblock is arranged in the gun barrel in a sliding mode and used for containing the cannonballs, and a filling hole is formed in the side wall of the gun barrel and used for containing the cannonballs. A bullet filling device is arranged at the position, corresponding to the bullet filling hole, of the gun barrel, the bullet filling device comprises a supporting shell and a push plate, the push plate is installed on the inner side wall of the supporting shell and can move along an annular path, the motion path of the push plate passes through the bullet filling hole, and a bullet box is arranged on the side, away from the gun barrel, of the motion path of the push plate; the cannonball box is used for storing ammunition. The method has the effect of improving the combat flexibility of the troops.
Owner:ANYANG ZHONGKAI BUILDING MATERIALS TRADING CO LTD
Explosive destroyer
The utility model relates to an explosive destroyer, which belongs to the field of explosive blasting and comprises a crawler base, a destroyer body fixedly connected to the upper surface of the crawler base, a water flow supply pipe fixedly connected to the filling end of the destroyer body and a connecting pipe fixedly connected to the transmitting end of the destroyer body. A buffering structure used for buffering water flow jetting recoil force is arranged on the upper surface of the caterpillar band machine base, and the buffering assembly comprises a frame body fixedly connected to the upper surface of the caterpillar band machine base and a sliding rod fixedly connected between the left side wall and the right side wall in the frame body. According to the explosive destroying device, recoil force of water flow is buffered through the buffering structure, the recoil force is effectively reduced, the use stability of the explosive destroying device is ensured, in addition, through the height adjusting assembly and the angle adjusting assembly, an operator can select the proper spraying distance and angle according to the position and height of an explosive, and the explosive destroying device is convenient to use. Therefore, the use effect of the explosive destroyer is improved.
Owner:江苏和为警用器材制造有限公司
Airborne anti-UAV target capture device and method
ActiveCN114132506BReduce reaction forcestable flightAircraft componentsDefence devicesTarget captureGas cylinder
The present invention provides an airborne anti-UAV target capture device and method thereof, the device comprises an angle-changing device, a base plate, angle-changing plates distributed around the base plate, and an ejection device fixed on each angle-changing plate; the ejection device comprises a power assembly, a traction head, an ejection push rod, and a traction head ballistic tube with an axis perpendicular to the angle-changing plate, the ejection push rod slides in the traction head ballistic tube; a plurality of traction heads are fixedly connected to the circumference of the capture net, each traction head is placed in the traction head ballistic tube, the power assembly provides thrust for the ejection push rod to eject the traction head; the angle-changing plate is hinged to the base plate; the angle-changing device connects the base plate and the angle-changing plate, and is used to adjust the inclination angle of the angle-changing plate relative to the base plate to change the launch angle of the traction head. The present invention drives the capture net to be captured by ejecting the traction head, and has strong reusability compared to high-pressure gas cylinders, and only needs to load the capture net and the traction head after each capture; and the capture net will not rebound before capturing the target UAV.
Owner:长春长光博翔无人机有限公司
Air storage type air gun
The utility model discloses an air storage type air gun, and particularly relates to the technical field of air guns, the air storage type air gun comprises a gun body, bullets and a gun stock fixedly installed on one side of the gun body, a shock absorption box is fixedly installed on one side of the outer surface of the gun stock, a shock absorption air bag is fixedly installed in the shock absorption box, and a rubber pad is slidably connected in the shock absorption box. And the rubber pad is fixedly connected with the outer surface of the damping air bag. According to the air storage type air gun, in actual work, an operator exerts pushing force on the pressing plate, the piston rod pushes the piston to move towards the interior of the air conveying cylinder, the damping air bag is expanded, and the rubber pad is pushed to the exterior of the damping box and makes contact with the body of the operator; the recoil force generated by shot shooting enables the gun stock to push the damping box to move towards an operator, then the damping air bag and the rubber pad are extruded, the recoil force acting on the body of the operator can be effectively reduced through the damping air bag and the rubber pad, and damage to the body of the operator caused by the recoil force is effectively reduced.
Owner:JIANGMEN QIANWEI PITEBO SUPPLY CO
Underwater facility generative cavitation cleaning method and system based on diffusion model
The application belongs to the technical field of underwater operation and maintenance process, and discloses an underwater facility generative cavitation cleaning method and system based on a diffusion model. The method comprises the following steps: obtaining sonar images, body attitudes and water depth data of the underwater facility; inputting the data into a conditional diffusion model to obtain a cooperative control action sequence, wherein the sequence comprises propeller thrust instructions and cavitation jet instructions, and the feedforward compensation thrust in the thrust instructions is ahead of the jet opening instruction in time; first, the propeller is controlled to output compensation thrust according to the feedforward compensation thrust instruction, and then the cavitation jet device is controlled to be opened; during the jet process, the real-time output thrust of the propeller is monitored, and if it is less than the recoil force estimated according to the current jet parameter, the jet parameter is reduced. The above-mentioned method generates cooperative sequence actions through a diffusion model, combines feedforward thrust pre-compensation and closed-loop safety clamping, realizes active inhibition of recoil force and self-adaptive cleaning of materials, and effectively improves the stability of underwater operation and the cleaning quality.
Owner:HUADIAN ZHENGZHOU MECHANICAL DESIGN INST
A buffer structure for a launch system based on an unmanned aerial vehicle (UAV)
This invention provides a buffer structure for a launch system mounted on a drone, comprising a drone and a buffer structure at its bottom. The buffer structure includes a buffer component 1 and a buffer component 2 slidably connected to the buffer component 1. The launch system is mounted on the buffer component 2. The buffer component 2 is connected to a rotating rod assembly, which is connected to the drone. The rotating rod assembly is also connected to an airbag buffer assembly, which is mounted on a support frame at the bottom of the drone. This invention provides a buffer structure for a launch system mounted on a drone, avoiding the problems of insufficient launch accuracy and damage to the drone caused by large recoil during launch.
Owner:ARMOR ACADEMY OF CHINESE PEOPLES LIBERATION ARMY
Energy-saving non-frequency-converting speed-regulating centrifugal fan and control method thereof
ActiveCN118881587BLow starting resistanceReduce recoilPump controlPump installationsForeign matterDrive shaft
The invention discloses an energy-saving non-variable frequency speed-regulating centrifugal fan and a control method thereof, which relate to the technical field of centrifugal pumps, and comprise a driving motor, wherein one side of the driving motor is connected to a fan casing, and an input port and an output port are provided on the fan casing; a driving impeller is arranged on the inner side of the fan casing, one side of the driving impeller is connected to an impeller shaft, an end of the impeller shaft away from the driving impeller is connected to a transmission mechanism, an output end of the driving motor is connected to a driving shaft, and the driving shaft is meshed with the transmission mechanism; the starting resistance of the driving motor is greatly reduced, and the counter-impact force on the rotor inside the driving motor is also greatly reduced; when the driving impeller is stuck by foreign matter, the power between the driving shaft and the impeller shaft can be automatically separated in time to prevent the driving motor from being overheated and damaged; after the driving impeller discharges the foreign matter, the power between the driving shaft and the impeller shaft can be automatically restored to ensure the working effect of the energy-saving non-variable frequency speed-regulating centrifugal fan.
Owner:青岛海润隆泰动力科技有限公司