19results about How to "Effectively absorb impact energy" patented technology

This application relates to the field of stone crusher technology, specifically disclosing a high-efficiency and energy-saving stone crusher crushing chamber structure, including a crushing chamber body, a power mechanism, and a return spring. The power mechanism includes a drive motor, belt, pulley, drive rod, eccentric wheel, and eccentric shaft. The power mechanism is arranged on the outer surface of the crushing chamber body, and the return spring is arranged in the inner cavity of the crushing chamber body. This invention uses protective components to buffer and intercept high-speed flying stone materials, preventing stone materials from flying out of the machine and effectively absorbing the impact energy of the stone materials. It can issue an alarm when a large-force splash occurs, facilitating maintenance by operators. The anti-clogging component can actively guide and assist the discharge of materials in the crushing chamber, disturbing the accumulated materials from different angles. Smooth discharge can also reduce the frequency of manual unclogging, improve the working environment, and enhance production safety and automation levels.

The application discloses a kind of design methods of underwater acoustic communication positioning hardware, including base, control ring, the base inside fixedly connected with several groups of first connecting rod, the first connecting rod outside rotatably connected with first rotating block, the first rotating block one side fixedly connected with first mounting piece, the first mounting piece other side fixedly connected with damping rod, the damping rod other end fixedly connected with second mounting piece, the first mounting piece and second mounting piece between fixedly connected with spring, the second mounting piece other side fixedly connected with second rotating block, the second rotating block middle rotatably connected with second connecting rod, the second connecting rod lower part fixedly connected with lower mounting ring, the control ring inside fixedly connected with second connecting piece, the control ring is fixedly connected with upper mounting ring by second connecting piece, the upper mounting ring upper part fixedly connected with several groups of support cylinder, the support cylinder inside is equipped with protection rod, significantly improve hardware operation security.

This utility model relates to the field of gun-type remote controls and discloses a wireless gun-type remote control, including a remote control body. A steering belt locator is disposed on the upper part of the front surface of the remote control body, and an adjustable steering wheel is disposed on the left side of the steering belt locator. A display screen is disposed on the upper surface of the remote control body, as are rollers and function buttons. A forward steering belt locator is disposed on the lower surface of the remote control body, and an earphone jack and a charging port are disposed on the rear surface of the remote control body. In this utility model, through the cooperation of a buffer component, when the remote control is accidentally dropped, the base plate contacts the ground first and pushes the sliding rod and sealing gasket. The sealing gasket squeezes hydraulic oil, causing it to generate a damping effect through a small-diameter through-hole. Combined with the reaction force of the connecting spring, this effectively absorbs the impact energy, significantly reducing damage to internal components from the impact and ensuring the service life of the remote control.

The invention relates to the technical field of box body materials, in particular to a box body material and a preparation method and application thereof to a box body, by preparing a modified damping agent and a modified flame retardant and adding a degradable polymer into the modified damping agent and the modified flame retardant, when the box body material is applied to a sound box shell, the damping effect of the sound box shell can be well guaranteed; the environment-friendly, non-toxic and harmless box shell can be guaranteed, non-toxic and harmless treatment in the box body raw material preparation process is achieved, polyethylene glycol diacrylate and maleic anhydride grafted polyethylene are mixed, poisonous and harmful gas generated in the maleic anhydride grafted polyethylene can be effectively adsorbed during high-temperature treatment, and the environment-friendly, non-toxic and harmless box shell is obtained. The dispersity of the internal toxicity of the maleic anhydride grafted polyethylene is reduced; polycarbonate and polyethylene terephthalate are weighed in parts by weight, and are added into a high-speed mixer together with styrene butadiene rubber and ethylene-propylene copolymer, so that when the prepared box body material is applied to the sound box shell, the high-damping, high-flame-retardant and environment-friendly effects can be ensured.

The invention relates to a magnesium-based hydrogen storage material and a preparation method thereof, and belongs to the technical field of hydrogen storage alloy materials and preparation thereof. The hydrogen storage material is an Mg-5Ni alloy with Sm powder uniformly distributed on the surface layer and an amorphous / nanocrystalline structure in the interior. The Sm powder is wrapped by the surface layer of the Mg-5Ni alloy to form composite powder of a core-shell structure; the hydrogen storage material is prepared from Mg-5Ni alloy powder and Sm powder as raw materials, and the raw materials are mixed and then subjected to dry ball milling. The hydrogen absorption and desorption kinetics of the existing magnesium-based hydrogen storage material can be effectively improved, the hydrogen desorption activation energy of the magnesium-based hydrogen storage material is reduced, and the problem that a solid additive is difficult to uniformly distribute on the surface is solved.

This invention discloses a powder coating and its preparation method, belonging to the field of powder coating technology. The powder coating comprises a composite filler with a core-shell-whisker structure. The composite filler includes: a core layer, which is a one-dimensional inorganic thermally conductive material; an intermediate layer, which is composed of polydopamine and coated on the outer surface of the core layer; and an outer shell layer, which is composed of a reactive elastomer and chemically grafted onto the outer surface of the intermediate layer. This invention also discloses the preparation method of the powder coating and its application in electrical insulation components. By constructing a core-shell-whisker structure composite filler and using polydopamine as the intermediate layer to chemically graft reactive elastomer onto the surface of a one-dimensional inorganic thermally conductive material, this invention achieves a synergistic improvement in mechanical properties, thermal conductivity, and insulation properties, and endows the coating surface with self-healing scratches.

The utility model discloses an optical glass cleaning equipment relates to glass processing technical field. Including cleaning tank, the inner wall fixedly connected with cleaning tank of cleaning tank, the front side wall of cleaning tank has established rectangular opening, the inner wall sliding connection of rectangular opening has drawer, the front side wall fixedly connected with handle of drawer, the inner wall symmetrical connection of cleaning tank has support, the bottom surface of drawer and the top surface sliding connection of support, be provided with the object plate on the drawer, the bottom fixedly connected with cushion block of object plate, the bottom surface fixedly connected with the inner wall of drawer of cushion block, be provided with mounting groove on the object plate, be provided with vacuum chuck on the drawer. Through the collaborative work of vacuum chuck and air pump, can firmly suck the optical glass in object plate before cleaning, effectively prevent the displacement or sliding of glass in the cleaning process because of water flow impact, reduce the risk of optical glass scratch or breakage because of the collision, friction.

The utility model provides a printer toner cartridge protective cover, which belongs to the technical field of printers, and comprises a main body, the main body comprises a shell, a lining and a connecting mechanism, the lining is positioned in the shell and is fixed through the connecting mechanism, the surface of the shell is provided with anti-slip textures, the surface of the lining is provided with a lattice structure, and the lattice structure is arranged on the surface of the lining. A cavity between the lining and the shell is filled with a damping material; the lattice structure comprises a plurality of convex points, the convex points follow the geometric arrangement rule, the height of the convex points ranges from 0.1 mm to 1 mm, the diameter of the convex points ranges from 0.5 mm to 2 mm, the shell is made of engineering plastics or metal materials, the thickness ranges from 0.5 mm to 2 mm, the rebound time of the shell ranges from 0.1 second to 1 second, the lining is made of high polymer materials, and the outer shell is made of plastic or metal materials. The thickness is at least 0.2 times of the thickness of the shell, and the problem that a traditional printer selenium drum protection cover is prone to being damaged when resisting external impact is solved.

The utility model relates to screw installation technical field, concretely is a kind of blow and suck lock unit, including bottom plate and electric screwdriver, electric screwdriver can slide up and down along bottom plate, still including positioning unit, lock unit and ejector unit, positioning unit is located bottom plate front below, electric screwdriver can be driven to move up and down, for adjusting the height of electric screwdriver initial position;Lock unit is located bottom plate front above, located electric screwdriver side, when lock unit moves up, the head of electric screwdriver can be extended;Ejector unit is located bottom plate front above, located electric screwdriver other side, for driving electric screwdriver to move up and down. Through vacuum adsorption mode suction screw, and the collaborative action of ejector unit and lock unit, ensure that the smooth transfer of screw from feeding position to workpiece lock position. Especially the introduction of oil buffer, effectively absorbed the impact energy when slider down, prevent the screw that has adsorbed from falling off due to violent vibration, improve the reliability of operation.

The utility model discloses a telescopic high altitude connected steel structure with limiting anti -fall function belongs to high altitude operation equipment technical field, and this structure includes the telescopic rod of the sliding groove in the connected steel and sliding cooperation, and it includes limiting mechanism and anti -fall mechanism, and limiting mechanism includes the jackplug of being set up on the connected steel, the spigot of being set up on telescopic rod and the limiting plug -in board of being suitable for passing through the jackplug and being inserted in the spigot, and anti -fall mechanism includes: the anti -fall beam of being fixedly connected to the connected steel, the steel plate of being fixed to the connected steel and the through -hole of being seted up on it, spring rod, cable and the anti -fall disc of being fixedly connected to the other end of cable. The utility model through limiting plug -in board has realized reliable rigid location, and simultaneously, anti -fall mechanism can effectively absorb impact energy when happening accident, provides the buffer protection, and assists the correction structure posture, has improved the safety and structural stability of high altitude operation.

The utility model discloses a flexible linear guide rail protection device, including side stand, guide rail, sliding block and the protection mechanism of innovative design, when sliding block removes to the guide rail end portion and has not decelerated, the sliding block on the sliding nu from the straight slot of rotating lever slides into spiral groove, drives rotating lever rotation, and then through the stroke trigger mechanism drives transmission ring rotation, transmission ring is driven screw rod rotation through synchronous belt, makes the flexible energy -absorbing member on the nut block stretch out, forms protection to side stand, prevents sliding block and hits damage, if sliding block normal deceleration, stroke trigger mechanism is disconnected with transmission ring, and flexible energy -absorbing member does not act, avoids the interference guide rail available stroke, and the device is combined through mechanical linkage and intelligent trigger, realizes the independent response of end protection and efficient energy -absorbing.

The utility model relates to the field of new energy equipment manufacturing, in particular to a longitudinal seam welding cantilever crane base structure which comprises a base flat plate fastened on the ground, an annular frame arranged on the base flat plate and a walking track arranged at the upper end of the annular frame. A plurality of inclined supporting columns are arranged on the outer side face of the annular frame in the length direction, one end of each inclined supporting column is connected with the ground, the inclined supporting columns, the annular frame and the ground form a triangular supporting structure, a crawling ladder is arranged on the side face of the annular frame in the width direction, the upper end of the crawling ladder is flush with the upper end of the annular frame, and the lower end of the crawling ladder is flush with the upper end of the annular frame. A guardrail is connected between the upper end of the crawling ladder and the annular frame, a grabbing handle is arranged on the guardrail, and a plane bedplate on which people stand is arranged at the position, close to the crawling ladder, of the upper end of the annular frame. The technical problems that an existing fixed welding arm frame is insufficient in machining flexibility and cannot adapt to production of workpieces of different sizes and shapes are solved.

The utility model discloses an anti -explosion exhaust cabinet, include: cabinet, have working cavity, window subassembly, set up in the front wall of cabinet, window subassembly can open along the first direction to form the front opening that opens to the indoor environment, transmission subassembly, including antistatic transmission unit, antistatic synchronous unit and antistatic counterweight unit, antistatic synchronous unit is set in antistatic transmission unit, and is connected window subassembly and antistatic counterweight unit respectively, buffer unit, set up in the cabinet, along the first direction, buffer unit is located between antistatic counterweight unit and the cabinet, the utility model discloses an anti -explosion exhaust cabinet provides the buffer protection, can reduce the risk of explosion because of the impact, and the mechanical ignition source is eliminated.

The utility model relates to the technical field of communication infrastructure, in particular to a 5G base station intelligent energy-saving device which comprises a shell and a cover plate, the cover plate is fixedly installed on the front face of the shell through bolts, guide blocks which are symmetrically distributed are fixedly connected to the upper side and the lower side of the back face of the shell, and a connecting piece is arranged between every two adjacent guide blocks in a sliding mode. A supporting seat is arranged at the top of the shell, a solar panel is rotationally mounted on the supporting seat through a rotating shaft, storage batteries which are symmetrically distributed are arranged at the top of the shell, and the storage batteries are connected with the solar panel through electric wires. By arranging the solar panel and the storage battery, light energy is converted into electric energy and stored in the storage battery, continuous electric power support is provided for the 5G base station, the self-sufficiency rate of a base station power supply is increased, dependence on an external power grid is reduced, then the operation cost is reduced, and the applicability in areas with unstable electric power supply is enhanced.

The invention relates to the technical field of resistance reduction, and particularly discloses a high-precision bionic resistance reduction structure preparation process, a resistance reduction material and a resistance reduction structure. According to the method, polyurethane acrylate, fluorine-containing acrylate, epoxy acrylate and an active diluting monomer are used as main raw materials of a resistance reducing material, the resistance reducing material is injected into a placoid scale structure groove of a transparent flexible silica gel mold, a UV curing mode is adopted firstly, so that a resistance reducing structure is formed preliminarily, and then the resistance reducing material is formed; the drag reduction material can be directly and preliminarily cured on the surface of the ship; and then thermal curing treatment is carried out in the later period, the drag reduction material is fully crosslinked in the thermal curing treatment process, and the hardness, peel strength and wear resistance of the drag reduction material are improved. The technical blank of spraying a three-dimensional structure on the surface of a ship is filled, high pattern precision is ensured, the integrity of the three-dimensional pattern can still be ensured after long-term use, and the resistance reduction structure has a long-acting resistance reduction effect.

This invention relates to the field of polymer materials technology and discloses a high-strength composite plastic sheet and its preparation method. The composite sheet, by weight, comprises 65-75 parts low-density polyethylene, 3-5 parts maleic anhydride-grafted polyethylene, 2-4 parts modified polyethersulfone, and 1-3 parts boron-modified silane, supplemented with antioxidant 1010 and calcium stearate. The modified polyethersulfone is obtained through imidazole functionalization, quaternized alkenyl modification, and free radical graft copolymerization. The boron-modified silane is obtained by dehydration condensation of hydroxyl-terminated polydimethylsiloxane and boric acid. This invention uses a casting process to prepare the finished product. The multi-component synergistic construction of a rigid-reinforced and flexible-toughened multi-level structure improves the sheet's mechanical strength and impact toughness, while also imparting excellent long-lasting antibacterial properties. The preparation process is controllable and suitable for industrial-scale production.

The application discloses a detachable pier floating anti-collision steering device, which comprises a first energy dissipation mechanism, a second energy dissipation mechanism and a third energy dissipation mechanism arranged in sequence from outside to inside; the first energy dissipation mechanism is an external frame structure formed by connecting a plurality of fixed cages through a detachable structure; the fixed cage is internally provided with an anti-collision buffer device; the third energy dissipation mechanism comprises a plurality of structural units rotatable along their own axes, and the structural units are arranged in a circumferential direction of the pier to form an annular framework structure; the outer periphery of the annular framework structure is provided with an elastic buffer body with a guiding function; the second energy dissipation mechanism is hinged between the first energy dissipation mechanism and the third energy dissipation mechanism, so that the first energy dissipation mechanism can produce adaptive movement when being impacted by a ship, thereby guiding and deflecting the ship heading. The device has good environmental adaptability, maintainability and continuous collision resistance, and is particularly suitable for bridge protection scenes in complex navigation water areas and water level frequently changing.

The utility model discloses a kind of pipeline blocking clamp driving elements of hemodialysis machine, including electromagnet, electromagnet push rod, upper silica gel pad, lower silica gel pad, fixed plate and clamping plate, the fixed plate is distributed along the axial direction of electromagnet push rod with clamping plate, and is fixedly connected with electromagnet push rod, the upper silica gel pad, lower silica gel pad are all installed between fixed plate and clamping plate.The blocking clamp of the utility model is radial expansion when doing blocking action, the gap between it and electromagnet push rod is filled completely after upper silica gel pad is pressed, buffer layer is formed, impact energy is effectively absorbed under the premise of maintaining blocking stroke and blocking effect unchanged, the effect of noise reduction is achieved;Meanwhile, after blocking ends, electromagnet push rod moves downward, lower silica gel pad contacts outer cover, and noise reduction is realized.

This invention discloses an intelligent temperature-sensing explosion-proof unmanned aerial vehicle (UAV) for tunnels, relating to the field of UAV technology. It includes a fuselage, wings, and a detection system. A mounting frame for the detection system is installed on the fuselage. A drive wheel is rotatably mounted on the mounting frame and connected to a first drive mechanism. A rotating frame is rotatably mounted on the drive frame, with one end connected to a second drive mechanism and the other end housing the detection unit. Through the cooperation of the first and second drive mechanisms, the detection unit can achieve full-angle rotation in the horizontal direction and adjustment of the pitch angle in the vertical direction, significantly improving the detection field of view. The detection unit is equipped with a cleaning mechanism that utilizes the Venturi effect to adsorb dust and has a self-cleaning function. The wings automatically fold and unfold via a planetary gear set and a locking mechanism. This invention has a compact structure, flexible and reliable detection capabilities, and is suitable for complex environments such as tunnels.