74results about How to "Extended impact time" patented technology

A golf club head has a face portion, a crown portion, a sole portion, a side portion and a hosel portion. Each portion is made of titanium or a titanium alloy. The side portion is formed integrally entirely from its toe side to its back side and its heel side. The side portion and the hosel portion are cast integrally. The face portion, the crown portion and the sole portion are molded separately from one another. The face portion, the crown portion, the sole portion and the side portion are welded integrally so as to form a golf club head. The Young's modulus of the crown portion is lower than any Young's modulus of the face portion, the sole portion, the side portion and the hosel portion.

An impact absorbing, modular helmet that uses impact absorbing layers outside the hard casing of the helmet to prevent and / or reduce injury to the user is described. The protective layers on the outer side of the hard casing increase the time of impact and thereby reduces the intensity of the impact forces to reduce their injury potential. The outermost layer would preferably be made of lightweight yet rigid, durable material made of polymers, composites or metal alloys with a low friction coefficient. Subsequent layers may be made up of a polymer honeycombed structure and a uniformly consistent impact absorbing polymer material. These impact-absorbing layers may also be made and used as an independent, detachable, external protective cover that may be attached universally over hard casing helmets.

A golf club head has a face portion, a crown portion, a sole portion, a side portion and a hosel portion. Each portion is made of titanium or a titanium alloy. The side portion is formed integrally entirely from its toe side to its back side and its heel side. The side portion and the hosel portion are cast integrally. The face portion, the crown portion and the sole portion are molded separately from one another. The face portion, the crown portion, the sole portion and the side portion are welded integrally so as to form a golf club head. The Young's modulus of the crown portion is lower than any Young's modulus of the face portion, the sole portion, the side portion and the hosel portion.

A metal hollow golf club head includes a head main body, a top plate, and a face plate. The head main body includes both side edges and a rear edge of the crown portion, both side edges of a face portion, and a side portion integrally. The top plate includes a crown main portion, which is other member of the crown portion than the both side edges and rear edge of the crown portion, and an upper edge of the face portion integrally. The face plate includes a face main portion, which is other member of the face portion than the both side edges and upper edge of the face portion. The head main body, the top plate, and the face plate are coupled. Metal material of the top plate has longitudinal elastic modulus lower than metal materials of the head main body and face plate.

The invention relates to an energy-dissipating and collision-preventing combined device of a floating composite pier, which is characterized by at least comprising an internal layer corrosion-preventing ring (16) arranged along the pier, wherein the internal layer corrosion-preventing ring (16) comprises a plurality of composite lattice pouring jackets (17) arranged around the pier, the composite lattice pouring jackets (17) are connected to form an integrated structure through longitudinal composite presstressed reinforcing steels (6) and transverse composite presstressed reinforcing steels (7), the side of each composite lattice pouring jacket (17) is provided with an anchor head (10), the upper surface and the lower surface of each composite lattice pouring jacket (17) are both embedded with embedding pieces (11) connected with the adjacent composite lattice pouring jackets (17); part or all of the composite lattice pouring jackets (17) forming the internal layer corrosion-avoiding ring (16) are connected with pulleys (13); the joint of the adjacent composite lattice pouring jackets (17) is provided with a sealing body; and one surface of each composite lattice pouring jacket (17) contacting with water is provided with a wave-dissipating hole (15). Compared with the traditional steel pouring jacket, the invention has better shock resistance and durability, light weight, and convenient installation and repair, can save materials, and shorten the construction period.

The invention relates to a concrete pier stud confined by a composite structure sandwich pipe which has the buffer energy-absorption effect. The concrete pier stud is characterized by consisting of a pier stud jacket (7) and an internal concrete core (5) which is casted in the pier stud jacket (7); a reinforcing steel bar (4) which is arranged along the axial direction of the pier stud jacket (7) and takes effect of increasing tensile strength is pre-embedded in the internal concrete core (5); and the pier stud jacket (7) consists of an external composite pipe (1), an internal composite pipe (3), a lattice (6) connecting the external composite pipe (1) and the internal composite pipe (3) and buffer material (2) which is filled in a space surrounded by the external composite pipe (1), the internal composite pipe (3) and the lattice (6). The invention uses a composite lattice sandwich layer to enwrap the outside of the concrete pier stud, the buffer material in the sandwich layer transforms and releases impact energy by the energy for the structure or the material to recover the elastic deformation by self and can prolong the impact time, thereby reducing the impact force and achieving the effect of protecting the vehicle, the ship and the bridge, and at the same time, the concrete pier stud can increase the strength and the corrosion resistance and reduce the construction cost.

Apparatus for protecting a user from impacts to the head. The apparatus includes a shell configured to receive a human head and a plurality of structures attached to the outer surface of the shell, where each structure is independently coupled to the shell with a respective assembly. The structures move independently of one another but are restricted to moving laterally along the outer surface of the shell. The structures each include a foam cell that reduces the magnitude of a head-on impact as the impact transfers from the foam cell to the shell. The assemblies each include an elastomeric donut that reduces the magnitude of a lateral impact as the impact is transferred from the foam cell to the donut assembly to the shell. Thus, a user is protected from the concussive effects of a head-on impact and the rotational acceleration injuries of a lateral impact.

According to one embodiment, an armor system comprises a plurality of polylithic composite armor panels. Each of the polylithic composite armor panels comprising a plurality of layers. The plurality of layers comprise at least two layers having a different Young's modulus. Each of the plurality of layers comprising a plurality of sheets. The plurality of sheets comprise one or more fibers. The plurality of sheets have one or more respective weave characteristics.

The invention discloses a flexible energy-absorbing anti-impact structure which has high protective capability and a reasonable structure and can protect both the impacted object and the impacting object. The anti-impact structure comprises an outer steel enclosure (1) and an inner steel enclosure (2), a plurality of flexible combined energy-absorbing anti-impact rings (4) are arranged between the inner steel enclosure (2) and the outer steel enclosure (1), the outer steel enclosure (1) is provided with an impact-receiving angle (3), the angle of which ranges from 25 degrees to 170 degrees, and the outer steel enclosure (1) is provided with positioners for reducing the vertical displacement of the outer steel enclosure (1). The whole anti-impact structure can first shift when impact occurs, the viscoelastic anti-impact rings then absorb a great deal of impact energy, and generate a lateral thrust on the impacting object at the same time, so that partial impact energy can be converted into the turning movement energy of the impacting object, and thereby the pier, the anti-impact structure and the moving ship can be prevented from being damaged or the damage of the pier, the anti-impact structure and the moving ship can be reduced to the max.

The invention discloses a height restriction frame on a road, and belongs to the field of road safety. The height restriction frame comprises stand columns, supporting beams, a height restriction cross beam and stop bars. The stand columns are arranged on the two sides of the road respectively. The supporting beams are fixed to the upper ends of the stand columns to be supported by the stand columns to be located above the road. The supporting beams are parallel to the direction of the road and are provided with the stop bars in the length direction of the supporting beams. The height restriction cross beam is transversely arranged on the supporting beams and stopped by the stop bars. The stop bars allow the height restriction cross beam to slide in the length direction of the supporting beams by means of bending deformation of the stop bars when the height restriction cross beam is bumped by a vehicle. The height restriction frame on the road is safer, more economical and more convenient to maintain and use.

According to one embodiment, an armor system includes one or more composite armor panels including one or more layers of fibers including a first fiber weave, such that a first directionality of one or more fibers of the first fiber weave is configurable to reshape a projectile based on one or more angles of the first directionality of the one or more fibers of the first fiber weave. The armor system also includes one or more composite armor panels comprising one or more layers of fibers including a second fiber weave, such that a second directionality of one or more fibers of the second fiber weave is configurable to reshape the projectile to a new shape based on one or more angles of the second directionality of the one or more fibers of the second fiber weave.

A lacrosse ball that meets generally accepted rules on the construction of lacrosse balls (e.g., size, weight, and bounce height), but provides a more impact-absorbing surface than conventional lacrosse balls. One embodiment provides a lacrosse ball including a shell made of a first material and a layer of second material disposed on the shell, wherein the second material has a specific gravity lower than that of the first material. Another embodiment provides a lacrosse ball including a core made of a first material and a layer of second material disposed on the core, wherein the second material has a specific gravity lower than that of the first material. Another embodiment provides a lacrosse ball including a core made of a first material and a layer of second material disposed on the core, wherein the second material has a specific gravity higher than that of the first material.

Apparatus for protecting a user from impacts to the head. The apparatus includes a shell configured to receive a human head and a plurality of structures attached to the outer surface of the shell, where each structure is independently coupled to the shell with a respective assembly. The structures move independently of one another but are restricted to moving laterally along the outer surface of the shell. The structures each include a foam cell that reduces the magnitude of a head-on impact as the impact transfers from the foam cell to the shell. The assemblies each include an elastomeric donut that reduces the magnitude of a lateral impact as the impact is transferred from the foam cell to the donut assembly to the shell. Thus, a user is protected from the concussive effects of a head-on impact and the rotational acceleration injuries of a lateral impact.

Apparatus for protecting a user from impacts to the head. The apparatus includes a shell configured to receive a human head and a plurality of structures attached to the outer surface of the shell. Each structure includes an outer cell that absorbs direct impacts. Each structure is independently coupled to the shell with a respective assembly. The structures move independently of one another and are restricted to sliding tangentially along the outer surface of the shell. The assemblies each include a biasing mechanism that absorbs tangential impacts to the structure and returns the respective structure to its rest position. Thus, a user is protected from the concussive effects of a head-on impact and the rotational acceleration injuries of a tangential impact.

The invention belongs to the technical field of aeration machines and discloses a high efficiency aerating apparatus for sewage treatment. The invention aims to solve the problems that the dissolved oxygen efficiency is low because the size of bubbles formed by stirring blades is large and the quantity of the bubbles is small and the sewage treatment effect is poor due to layering of the upper andlower parts of sewage in the using process of the conventional aeration machine. The high efficiency aerating apparatus disclosed by the invention comprises a floating rack, wherein a drive motor isarranged on the floating rack; the output shaft of the drive motor is connected with a stirring shaft; a stirring impeller is connected onto the stirring shaft; a jet nozzle is arranged at the periphery of the stirring impeller; a venturi tube is arranged at one end of the jet nozzle; the other end of the jet nozzle is connected with an ejection pipe; the ejection pipe is downwards obliquely connected onto the jet nozzle; and the outlet of the ejection pipe is positioned in lower sewage.

According to one embodiment, an armor system comprises a plurality of metallic layers. The armor system further comprises a plurality of non-metallic layers located in between two or more metallic layers of the plurality of metallic layers, such that each non-metallic layer is located at a respective depth in the plurality of metallic layers.

The invention provides a composite-material energy-dissipation fender which comprises a shell and an energy-dissipation filling body wrapped inside the shell. The energy-dissipation filling body comprises energy-dissipation materials and a plurality of energy-dissipation ribs, the energy-dissipation ribs are distributed inside the energy-dissipation materials and / or between the energy-dissipation materials and the shell, and the energy-dissipation ribs are connected with the shell into a whole. The energy-dissipation ribs of the composite-material energy-dissipation fender form a longitudinally-transversely staggered net structure, the high shearing strength and the certain elastic deformation buffering capacity are achieved, the shell can be protected from large shearing deformation, and the composite-material energy-dissipation fender is good in overall collision avoidance effect, low in manufacturing cost, long in service life and convenient to maintain and repair.

The invention discloses an anti-collision beam and an anti-collision device with the anti-collision beam, and relates to the field of bridge protection. The anti-collision beam comprises a shell which is of a hollow structure and in a V shape, a plurality of separated cabins are arranged inside the shell, and the separated cabins are filled with elastic energy dissipation structures. Each elastic energy dissipation structure comprises a lattice box which is of a sealed structure and filled with elastic materials. When the anti-collision beam is impacted by a ship, the ship can slide along the surface of the anti-collision beam through the V-shaped structure arrangement, and kinetic energy exchange between the ship and a pier is reduced; each separated cabin is filled with the elastic energy dissipation structure which is good in elasticoplastic deformation capacity, and therefore part of impact energy can be absorbed and dissipated while impact time is effectively prolonged. The anti-collision beam is stable in structure, not prone to damage, reliable in anti-collision function, long in service life and suitable for the ocean environment with large wave acting force.

The invention discloses a prefabricated assembly type anti-collision guardrail and belongs to the field of bridge structures. The prefabricated assembly type anti-collision guardrail is formed by assembling prefabricated components. A steel plate is embedded inside a vehicle collision part, the inner side and the outer side of the steel plate are respectively provided with a layer of buffer materials; the bridge side of the lower part of every prefabricated component is provided with a bolt slot; the prefabricated assembly type anti-collision guardrail is fixed onto a bridge deck slab through screws; a part of the screws extend out of the bottom surface of the bridge deck slab at a certain length, and the extended parts are provided with springs in a sleeve mode. The prefabricated assembly type anti-collision guardrail ensures consumption and absorption of collision energy from vehicles through multiple energy dissipation systems and prolongs the collision time through deformation and swinging to weaken the collision force, thereby reduce damage to the vehicles and the guiderail to the maximum degree and meanwhile protecting passengers. The prefabricated components are simple in manufacturing and installation, achieve multi-stage collision prevention, effectively protect the vehicles out of control as well as the anti-collision guardrail and meanwhile are convenient to maintain.

The invention relates to a car instrument panel crossbeam. The car instrument panel crossbeam is connected with a front-wall zone of a car body. A structure connected to the front-wall zone of the car body comprises a crumple zone, a breaking zone and a maintaining zone; the crumple zone is connected with the car-body front-wall zone and is suitable for receiving an impact force transferred by virtue of the car-body front-wall zone; the breaking zone is respectively connected with the crumple zone and the maintaining zone and suitable for being broken when the crumple zone receives the impact force transferred via the car-body front-wall zone; the end surface of the end, connected with the breaking zone, of the maintaining zone is larger than that of the end, connected with the breaking zone, of the crumple zone; the maintaining zone is suitable for containing the crumple zone when the breaking zone is broken. By virtue of the car instrument panel crossbeam, the safety performance of a car can be improved.

The invention discloses a spring yield type energy dissipator for a slope flexible protection system and a design method. The energy dissipator comprises spring steel, a rotating shaft, a pin shaft, aC-shaped clamp and an arc-shaped lug plate. The spring steel is tightly wound on the rotating shaft, the end, provided with a hole, of the spring steel extends out for a certain distance in the tangential direction of the rotating shaft and is connected with a supporting rope of the flexible protection system through the hole, and the other end of the spring steel is welded to the rotating shaft.The pin shaft is sleeved with the rotating shaft, a small gap is reserved, the pin shaft is connected with upper and lower clamp flange plates of the C-shaped clamp through bolts, the arc-shaped lugplate is welded to a C-shaped clamp web, and a lug plate reserved hole is connected with another supporting rope of the flexible protection system. When the flexible protection system is impacted, thespring steel connected with the corresponding supporting rope is pulled and rotated around the rotating shaft, the spring steel is changed into a straightened state from a bent state, and energy is dissipated through plastic deformation of the spring steel. After impact, the spring steel can be coiled into a spring shape around the rotating shaft from the straightened state for repeated use. Theenergy dissipator is reasonable in structural design, clear in energy dissipation mechanism, high in energy dissipation capability, convenient to disassemble, assemble and maintain, suitable for narrow space installation and capable of being repeatedly used.

According to one embodiment, an armor system comprises a plurality of metallic layers. The armor system further comprises a plurality of non-metallic layers located in between two or more metallic layers of the plurality of metallic layers, such that each non-metallic layer is located at a respective depth in the plurality of metallic layers.

The invention relates to the field of municipal road construction, in particular to a road anti-collision buffer device. The device comprises a base, a U-shaped plate is fixed at one end of the base,openings in the two ends of the U-shaped plate face the other end of the base, the base is hollow, a collision plate is arranged between the inner walls of the two ends of the U-shaped plate, a firstbuffer piece used for buffering the impact force of an accident vehicle is arranged between the U-shaped plate and the impact plate, a mounting hole is formed in the upper surface of the base, one endof the mounting hole is positioned in an inner cavity of the U-shaped plate, the other end is positioned outside the U-shaped plate, a second buffer piece for delaying the collision time of the accident vehicle and the collision plate is arranged in the mounting hole, a plurality of first air bags are fixed to the inner wall of the U-shaped plate, air storage pieces used for inflating the first air bags are arranged on the inner walls of the two sides of the base, a vehicle is wrapped by the first air bags on the two sides of the U-shaped plate, the vehicle body is hindered, the speed of thevehicle is decreased, meanwhile, friction between the vehicle and the inner wall of the U-shaped plate is reduced, and vehicle damage is reduced.

According to one embodiment, an armor system comprises a plurality of armor layers. The armor system further comprises one or more dilatant material layers located in between two or more armor layers of the plurality of armor layers.

The invention discloses a bridge pier protection device. The bridge pier protection device comprises a plurality of protection unit blocks which are arranged on the outer surface of a bridge pier and connected with one another; each protection unit block comprises a unit block shell of a barrel structure and round pipes which are arranged inside the unit block shell in an array mode; the round pipes are connected through a distributed type force dispersion frame; and the positions among the round pipes inside the unit block shells are filled with buffering layers. The stepped energy dispersion process can be achieved when the device comes across impacts of different energy grades, and the bridge pier protection device can meet the requirements of different protection energy grades; the longer impact displacement can be provided, and the impact time is prolonged; and the bridge pier protection device is composed of the unit blocks, so that the overall cost is low and installation and maintenance are convenient.

The invention discloses an anti-collision facility which is arranged before a pier and consists of a flexible pile, a gravity pier and a rubber pad. The flexible pile is arranged at the front part and the gravity pier is arranged at the rear part; the flexible pile and the gravity pier are sequentially impacted by the ship, the impact time is prolonged by the elastic-plastic deformation of the flexible pile, the impact force of the ship finally transmitted to the gravity pier is relatively small, and the excessive deformation of the gravity pier is not caused, therefore, the recovery working quantity of the anti-collision facility is small and only the flexile pile is required to be replaced.

Apparatus for protecting a user from impacts to the head. The apparatus includes a shell configured to receive a human head and a plurality of structures attached to the outer surface of the shell. Each structure includes an outer cell that absorbs direct impacts. Each structure is independently coupled to the shell with a respective assembly. The structures move independently of one another and are restricted to sliding tangentially along the outer surface of the shell. The assemblies each include a biasing mechanism that absorbs tangential impacts to the structure and returns the respective structure to its rest position. Thus, a user is protected from the concussive effects of a head-on impact and the rotational acceleration injuries of a tangential impact.

The invention discloses a PDC cutting tooth based on a damping structure. The PDC cutting tooth comprises PDC cutting tooth bodies (4). The PDC cutting tooth bodies (4) are installed on drill bit wings (5) of a PDC drill bit (3) and comprise movable PDC composite sheets (6), linings (7), limiting devices (8) and dampers (9). Installing holes are formed in the linings (7), the movable PDC composite sheets (6) are installed in the installing holes, limiting grooves (10) are formed in the movable PDC composite sheets (6), limiting holes (11) corresponding to the limiting grooves (10) are formed in the side walls of the linings (7), the limiting devices (8) are inserted into the limiting holes (11), the front ends of the limiting devices (8) are located in the limiting grooves (10), and the dampers (9) are arranged between the bottoms of the installing holes of the linings (7) and the bottoms of the movable PDC composite sheets (6). The PDC cutting tooth has the advantages that impact time is prolonged, impact resistance is high, and the service life is long.

The invention discloses a height restriction frame on a road, and belongs to the field of road safety. The height restriction frame comprises stand columns, supporting beams, a height restriction cross beam and stop bars. The stand columns are arranged on the two sides of the road respectively. The supporting beams are fixed to the upper ends of the stand columns to be supported by the stand columns to be located above the road. The supporting beams are parallel to the direction of the road and are provided with the stop bars in the length direction of the supporting beams. The height restriction cross beam is transversely arranged on the supporting beams and stopped by the stop bars. The stop bars allow the height restriction cross beam to slide in the length direction of the supporting beams by means of bending deformation of the stop bars when the height restriction cross beam is bumped by a vehicle. The height restriction frame on the road is safer, more economical and more convenient to maintain and use.