12results 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.

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 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 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.

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.