9results about How to "Reduce shock damage" patented technology

The utility model relates to the technical field of fire-fighting boots, in particular to a high-comfort fire-fighting protective boot for firefighters, which comprises a boot sole, a toe cap, a vamp, a heel and a boot leg which are integrally arranged, a waterproof sock is jointly attached to the inner surface layers of the toe cap, the vamp and the boot leg, and the boot leg comprises a leg body, a tibia protective layer, an ankle protective layer and an ankle joint bending layer. By means of the arrangement of the waterproof socks on the inner surface layers of the boot vamps and the boot legs, it is guaranteed that when a fireman works in the environments such as wading, the feet cannot be soaked by water, and the waterproof socks further have the functions of high breathability, chemical protection and blood transmission and viral pathogen resistance; meanwhile, the tibia protection layer, the ankle protection layer and the ankle joint bending layer are arranged, and the design fully considers the protection requirements of different parts of the feet of the firefighter when the firefighter executes a task, so that the firefighter can quickly respond in an emergency, and the timeliness and the accuracy of rescue actions are improved.

The utility model belongs to battery technical field discloses a kind of lead-acid battery package, lead-acid battery package includes shell, support, battery, temperature control piece and waterproof air-permeable piece, shell has installation cavity, installation cavity has air hole, support is fixed in installation cavity by connecting piece, multiple installation grooves are set on support, battery is multiple, and is installed in installation groove one by one, temperature control piece is installed on support, and for heating battery, waterproof air-permeable piece is installed in shell and seals air hole. The lead-acid battery package can heat battery, and waterproof and shock resistance is good, and service life is longer.

The utility model belongs to the field of building construction, and particularly relates to a height-adjustable speed bump for road safety, which comprises an equipment base, a mounting groove formed in the equipment base, a lifting unit arranged in the mounting groove and a speed bump unit connected with the lifting unit, according to the height-adjustable road safety deceleration strip, the flexible height adjusting function is added, the passing requirements of different speed limiting road sections or emergency vehicles are met, meanwhile, the damping unit is matched, the vehicle impact force is effectively absorbed, and vibration damage to a vehicle body is reduced.

The utility model provides a vegetable weeder, belongs to weeder equipment technical field, the vegetable weeder includes shell, motor, shaft and weeding blade group, the shell is used for placing motor, shaft and weeding blade group, the motor is placed on the inside one side of shell, the output shaft is fixed connection with shaft, the inside of shaft is hollow structure, and the shaft is equipped with the weeding blade group. The side wall is fixedly connected with the weeding blade group, the weeding blade group is used for removing weeds, and a plurality of water outlet holes are formed in the center of the weeding blade group on the side wall of the rotating shaft and used for removing soil impurities adhered to the weeding blade group; one side of the rotating shaft is fixedly connected with the motor, the other side of the rotating shaft is rotationally connected with the water inlet, and the rotating shaft is rotationally connected with the water inlet through a rotating joint; the vegetable weeding machine blade can solve the problem that the blade is not easy to clean after being used, and is convenient to clean.

The utility model provides a rail car bottom plate bracket which comprises a chassis assembly, a buffering assembly is arranged on the chassis assembly, and a bracket assembly is arranged on the upper side of the chassis assembly through the buffering assembly. Compared with the prior art, the chassis assembly and the bracket assembly which are made of aluminum alloy materials are arranged, the self weight of the vehicle can be effectively reduced, the carrying efficiency and the energy-saving performance are improved, meanwhile, wheel track abrasion is reduced, the rigidity and the bending resistance and torsion resistance of the bracket are remarkably improved through the cross-shaped reinforcing rib structure, and the service life of the vehicle is prolonged. The car body structure is not prone to deformation when bearing dynamic loads, the overall stability and safety are enhanced, impact force generated in the cargo loading and unloading process can be effectively absorbed and dispersed in the cargo loading and unloading process by arranging the buffering assembly, vibration damage to the car body structure and cargoes is reduced, and the transportation safety is improved; and meanwhile, hard collision between the goods and the bracket and between the goods and the external bearing surface is reduced, and displacement or damage of the goods due to sudden stress is avoided.

The utility model relates to the technical field of fire-fighting boots, in particular to a firefighter emergency rescue protective boot which comprises a boot sole, a toe cap, a boot vamp, a heel and a boot leg which are integrally arranged, and a waterproof sock is jointly attached to the inner surface layer of the toe cap, the inner surface layer of the boot vamp and the inner surface layer of the boot leg. A protective sleeve used for preventing fine particles from entering the boot is detachably arranged at the top of the boot leg, and by means of the arrangement of waterproof socks on the inner surface layers of the toe cap, the boot vamp and the boot leg, it is guaranteed that when a fireman works in the environments such as wading, the foot cannot be soaked by water, and the safety of the fireman is guaranteed. The waterproof sock also has the functions of high vapor permeability, chemical protection, blood transmission resistance and viral pathogen resistance; meanwhile, the protective sleeve is arranged, so that fine particles such as gravels and glass fragments are prevented from entering the boot, and the damage caused by friction of the particles to the foot is avoided.

The application discloses a battery shell, a battery device and a power tool assembly, and belongs to the technical field of batteries. The battery shell comprises a shell body for accommodating battery units of the battery device and at least two reinforcing structures, one side of the shell body in a first direction is provided with an electric energy slot, each reinforcing structure is arranged on an outer wall of the shell body, the at least two reinforcing structures comprise a first reinforcing structure and a second reinforcing structure, the first reinforcing structure and the second reinforcing structure are respectively located on two sides of the shell body along a second direction, and the first direction and the second direction intersect; each reinforcing structure comprises a first section and a second section connected with the first section, the first section extends along the first direction, the second section is located on a side of the shell body away from the electric energy slot, and the second section extends along the second direction; a plurality of holes are arranged on the first section and the second section, and the holes are arranged at intervals. The scheme can improve the problem that the shell body is deformed due to excessive impact.

The utility model discloses an unmanned aerial vehicle charging station with a damping structure, which comprises a cab, a frame is mounted at the bottom of the cab, a vehicle body is arranged in the frame, a correcting component is mounted in the vehicle body, a damping component is mounted in the vehicle body, and the damping component is mounted in the damping component. A sliding rail is fixedly connected to the back face of the cab, an electric sliding block is arranged in the sliding rail, a folding frame is installed on the outer side of the electric sliding block, and a cover plate is installed at one end of the folding frame. According to the unmanned aerial vehicle charging station with the damping structure, a three-stage buffering damping design is adopted through the damping assembly, a three-dimensional damping protection system is formed through the synergistic effect of the buffering rods, the buffers and the damping springs, and when an unmanned aerial vehicle lands, the buffering rods made of high-strength alloy firstly make contact with a vehicle body, and the buffering rods make contact with the vehicle body; impact force is primarily dispersed through the unique honeycomb-shaped buffering platform.

The utility model relates to the technical field of vehicle pin bush assembly, and discloses cinder ladle vehicle pin bush assembly equipment which comprises a grip and a stress barrel welded to one end of the grip. The knocking surface ring is integrally formed at one end of the stress barrel; the damping anti-skid sleeve sleeves one end of the grip and is used for damping the holding arm; through cooperation of the knocking face ring, the stress barrel, the grip and the damping anti-skid sleeve, an operator can hold the damping anti-skid sleeve on the grip to reduce vibration damage caused by hammering when the pin bush is installed on the pin shaft, the comfort degree of holding the tool is increased, meanwhile, the stress barrel can protect the pin bush, and the safety of the tool is improved. Threads on the pin shaft are prevented from deforming due to the fact that the pin sleeve is installed on the pin shaft, the quality of the pin sleeve installed on the pin shaft is improved, the length of the grip enables a knocking point to be far away from an operator, and safety during operation is improved.