50results about How to "High shock absorption capacity" patented technology

The invention discloses a bionic foot capable of improving the gait naturality and stability of a biped robot. The bionic foot comprises a bionic foot body and a bionic ankle. The bionic foot body comprises bionic arches, extension springs, a compression spring, a viscoelastic material layer and rubber non-slip mats. Part of impact borne by the bionic foot can be consumed by the viscoelastic material layer, and the rest of the impact is absorbed by the elastic deformation of the bionic arches, the extension springs and the compression spring. Due to the fact that the rubber non-slip mats are adopted, the non-slip performance of the bionic foot can be improved. The bionic ankle comprises a first ankle joint connecting piece, a first ankle joint platform, a second ankle joint connecting piece and a second ankle joint platform. The bionic ankle can do inward turnover and outward turnover movement through the rotation of the first ankle joint platform around a third pin shaft, and can do back bending and toe bending movement through the rotation of the second ankle joint platform around a fourth pin shaft. By means of the bionic foot, the harmful effect caused by the impact can be effectively reduced, meanwhile, the walking mode of human beings can be imitated, and the gait of the robot can be more natural.

A damping device (10) comprises laminated rubbers (13) interposed at four corners between a support having the floor plate of a construction machine and a movable body having the seat body of operator, and a pair of dampers (14, 15) having one end fixed to the lower supporting plate (11) on the support side and the other end fixed to the upper supporting plate on the movable body side.The laminated rubbers (13) are arranged while spaced apart in the front / back direction and the right / left direction with reference to the seating direction of the operator. One damper (14) is arranged along the front / back direction at a position corresponding to the center in the right / left direction between the laminated rubbers (13) arranged in the right / left direction, and the other damper (15) is arrangedalong the right / left direction on the front side of the center in the front / back direction between the laminated rubbers (13) arranged in the front / back direction.

The invention provides a polyurethane micropore elastomer composite material of low spring rate ratio for urban rail and a preparation method thereof, and belongs to the field of polyurethane materials. The material has the excellent performance of high strength, wear resistance, flex resistance, low temperature resistance and oil resistance, chemical resistance and the like, and has the characteristics of low buffer stress, stable damping, short response time and the like. The polyurethane micropore elastomer composite material of low spring rate ratio for urban rail comprises a polyurethane main material, the polyurethane main material is prepared by mixing a component A and a component B, the component A is prepared by the following materials: 75-90% of polyether polyol, 8-18% of a chain extender, 0.5-1% of an anti-oxidant, 0.5-1% of an amine catalyst, 0.1-0.5% of a foaming agent, 1-4% of an organosilicon foam stabilizer, and 0.1-0.5% of color paste. The materials are uniformly mixed at 100-120 DEG C, the water content in the mixture is below 0.05%, and that is the component A; the component B is obtained by a reaction of 30-60% of isocyanate and 40-70% of polyol at 80-90 DEG C for 3-4 hours.

A preparation method for a metal ceramic composite comprises the steps of preparation of aluminium oxide ceramic microencapsulated powder, preparation of ceramic particles, preparation of metal ceramic particles and preparation of the metal ceramic composite. The prepared metal ceramic composite is of a structure composed of a ceramic layer, a metal ceramic composite transition layer and a metal layer from inside to outside, an even and compact product with the smooth surface is formed at a high temperature, the composite with the high hardness of ceramics and high toughness and plasticity of metal is formed, and the metal ceramic composite not only has good corrosion resistance and high temperature resistance of the ceramics, but also has the toughness and impact resistance of the metal, and has the characteristics of long service life and low mass.

The invention provides a special material for an automobile bumper. The special material is prepared from the following ingredients in parts by mass: 30-50 parts of PPE plastics, 10-30 parts of toughening agent, 0.5-1 part of associating agent, 20-40 parts of filler, 1-4 parts of lubricant, 1-6 parts of antioxidant and 1-8 parts of dispersing aid, wherein the toughening agent is poe (8150); the associating agent is bismaleimide; the filler is talcum powder with the mesh size of 1,250 meshes; the lubricant is pe wax; the antioxidant is an antioxidant 1010; and the dispersing aid is a polyacrylic dispersing agent. The special material for the automobile bumper has the beneficial effects that the bumper material obtained by the formula has higher specific strength, and compared with the original glass-reinforced plastic, the weight is lower and the energy consumption is lowered; the impact absorption capacity is enhanced, and the automobile bumper has the advantages of high rigidity, high heat resistance, flame resistance, relatively high strength, excellent electric properties and the like.

The invention relates to special waterproof and leak-stopping daub for a deformation joint and an expansion joint. The special waterproof and leak-stopping daub is prepared from butyl rubber, styrene-butadiene rubber, methyl vinyl silicone rubber, octamethylcyclotetrasiloxane, a polyamide thermoplastic elastomer and a tetrafluoroethylene-perfluorovinyl ether copolymer. The special waterproof and leak-stopping daub has high autologous cohesive force, has proprieties of being capable of resisting aging and resisting a humid basal surface, and the like, can be used for forming lasting and stablewater stopping layers in the expansion joint and the deformation joint, and is used for realizing a lasting leak-stopping effect, and problems of secondary leakage and the like cannot occur.

The invention relates to a special-shaped outline structure of a TBR (all-steel radial truck) tire and a tire with the outline. The special-shaped outline structure comprises a tire shoulder section, an upper tire side arc, and a lower tire side arc, wherein the tire shoulder section and the upper tire side arc are located at the upper part of a horizontal shaft of the tire; the lower tire side arc is located under the tire horizontal shaft; the tire shoulder section is located at the lower part of a tire crown part, and is in tangent with the upper tire side arc; the upper tire side arc comprises an upper arc and an upper inner arc, wherein the circle center of the upper arc and the upper inner arc is located on the tire horizontal shaft; the lower tire side arc comprises a first lower arc and an ogee section, wherein the ogee section is connected with the first lower arc; the circle center of the first lower arc is located on the tire horizontal shaft; in addition, in order to guarantee the supporting performance of the special-shaped outline tire to a bead part, the thickness of a tire bead location is increased, so that the supporting effect of the special-shaped outline tire is improved; a connecting arc for connecting the ogee section and a tire heel part is arranged under the ogee section; and the radius R<connection> of the connecting arc is 200-240mm. The tire disclosed by the invention has the advantages of being light in weight, low in rolling resistance, convenient to assemble and disassemble, convenient to carry and the like; and the outline of the tire side location is changed, so that in the running process of a vehicle, absorption of impacts from a road surface is facilitated, and the driving comfortableness is effectively improved.

The cross section of a corner protection part used for a wall is in an L shape. The core part of the corner protection part is made of particle-reinforced foamed aluminium composite materials and wrapped by an elastic material layer. An aluminium alloy shell serves as the elastic material layer. The outer surface of the aluminium alloy shell is coated with organic paint. Sufficient foaming is conducted on aluminium alloy through foaming agent reinforced and composited through silicon carbide and / or aluminium oxide particles, and the particle-reinforced foamed aluminium composite materials are obtained. By means of the foaming base material aluminium-based alloy, it is better ensured that products have a better impact-resistant effect, and meanwhile the product mass is reduced.

A housing for a railway car draft gear assembly for cushioning buff and draft shocks includes a rear portion engageable with the rear stops of such railway car and a front portion configured for attachment to a coupler arm. Opposed ends of the front and rear portions are provided with complimentary flanges for removable attachment of the front portion to the rear portion with threaded fasteners.

A film unit which can protect a screen of a display device by absorbing and spreading an impact applied from the outside of the display device, and a plasma display panel having the film unit. The film unit includes a base film 10 having a predetermined area and thickness and provided with a plurality of openings 14 formed therein; and a cover layer sealing tops of the plurality of openings thereby forming self-elasticity by an air layer trapped within the closed space of the openings.

Disclosed is a bumper strip for an automotive body. The core portion of the bumper strip is a particulate reinforced aluminum foam matrix composite and is wrapped with an elastic material layer, and a rectangular steel tube is arranged outside the elastic material layer. An iron-base alloy material fully meets the requirement for external strength. By the adoption of aluminum-base alloy, it is better guaranteed that the impact resistance of the product is higher, and meanwhile product quality is improved.

The invention provides a high-strength road pile. The road pile is cylindrical. The core of the road pile is made of a particle reinforced foamed aluminum base composite. The periphery of the core is coated with an elastic material layer. A copper alloy cylinder is arranged outside the elastic material layer. The external surface of the copper alloy cylinder is coated with an anti-corrosive paint, and a composite foaming agent is used for fully filling and foaming aluminum base alloy to obtain the particle reinforced foamed aluminum base composite. The aluminum base alloy better ensures that a product has a better shock-resistant effect.

The invention belongs to the technical field of bicycle devices, and particularly relates to a telescopic bicycle frame. The telescopic bicycle frame is mainly characterized in that the distance between a handle beam and a saddle can be adjusted by an inclined telescopic beam and a telescopic beam, and a handle can be folded to change the size of the handle beam, so as to be suitable for people of different ages to ride. The telescopic bicycle frame comprises a brake, wherein the brake is installed on the handle beam and is connected with a brake device through a brake cable, a headlamp which is connected with a generator through a conducting wire is fixed to the front end of the frame, a chain wheel and a small chain wheel are respectively connected to the front and back parts of a chain, and the chain wheel is connected with pedals. The telescopic bicycle frame has the advantages of simple structure and safety and reliability in use and is suitable for the people of different ages to use, and the riding safety is increased.

The invention discloses an anti-collision bar with an elastic material layer for an automobile body. A core part of the anti-collision bar is made of a particle enhanced foam aluminum-based composite material; the elastic material layer surrounds the core part; a rectangular steel pipe is arranged outside the elastic material layer; the elastic material can effectively enhance the resilience effect on a collision object and relieve damage caused by impact.

The invention belongs to the technical field of composite materials, and particularly relates to an epoxy resin composition. The decorative plate comprises epoxy resin layers and a filling layer, thenumber of the epoxy resin layers is two, and the filling layer is located between the two epoxy resin layers. The side, close to the filling layer, of each epoxy resin layer is fixedly connected withglass fiber cloth. The filling layer comprises a supporting frame and sound absorption sponge. The supporting frame is of a honeybee-worm-shaped structure. The supporting frame honeycomb is filled with the sound absorption sponge. Rubber bags which are uniformly distributed are fixedly connected to the interior of the sound absorption sponge. The rubber bags are filled with water. Micropores are formed in the surfaces of the rubber bags and are closed in an initial state. According to the invention, sodium bicarbonate filling the sound absorption sponge is self-decomposed in a high-temperatureenvironment, so that the sodium bicarbonate is matched with water in the rubber bags to cool the whole plate, and meanwhile, the sodium bicarbonate reacts with a compound in epoxy resin to generate calcium carbonate to play a role in supporting and reinforcing while the temperature is reduced.

A non-pneumatic resilient wheel (30), defining three perpendicular directions, circumferential (X), axial (Y) and radial (Z), comprising at least: a hub (31), an annular band referred to as a shear band (32) oriented in the circumferential direction (X), surmounted by a tread (33) and a plurality of support elements (34) connecting the hub (31) to the annular band referred to as a shear band (32),the annular band referred to as a shear band (32) consisting of a laminate comprising at least one layer of silicone rubber sandwiched between two fiber / resin composite layers comprising filaments ofa mineral material embedded in a thermoset resin.

The invention discloses a packing case, which comprises a case body and a corner baffle member. The case body comprises a bottom and a side wall structure. The side wall structure is arranged in a way to surround the bottom so as to form an accommodating space. The accommodating space comprises a corner. The corner baffle member is arranged on the corner and comprises an insertion part and a buffer part connected with the insertion part. The insertion part is inserted into the bottom. The buffer part is exposed on the accommodating space and adjacent to one wall face of the side wall structure. In this way, when an object accommodated inside the accommodating space has impacts on the corner baffle member, the impacts are directly transmitted to the bottom through the corner baffle member. The problem that a conventional packing case body cannot effectively bear the impacts through the side wall is thus solved.

The invention belongs to the technical field of design of bicycles and particularly relates to a novel bicycle. The novel bicycle comprises a seat mounted on an I-shaped bicycle frame, wherein a rear wheel and a front wheel are fixed on the I-shaped bicycle frame through wheel axles; chain wheels are connected with pedals; a multifunctional instrument is mounted on a handle beam provided with a headlamp at the front end; a multifunctional instrument switch, a headlamp switch, a display screen, a time knob, a mileage knob, an energy consumption knob and a navigation knob are integrated on the multifunctional instrument. The novel bicycle is compact in structure, small and ingenious in size, multifunctional and especially suitable for reasonable and planned aerobic exercises of people.

The invention provides a foamed aluminum building non-dismantling formwork. The formwork comprises a building formwork body, wherein the building formwork body is of a plate-shaped structure or a columnar structure, the columnar structure is internally provided with a hollow cavity capable of allowing reinforced concrete to be poured, and a main body of the building formwork body is made of foamedaluminum. The inner side, making contact with concrete, of the building formwork body is a formwork composite face, the outer side, not making contact with the concrete, of the building formwork bodyis a formwork decorative face, and the formwork composite face is provided with a rough surface for increasing the binding force with the concrete. The foamed aluminum building non-dismantling formwork has the characteristics that foamed aluminum is ingeniously applied to a building front-end process in advance, the advantages are made best use of and the disadvantages are bypassed, the foamed aluminum building non-dismantling formwork is directly compounded on the surface of a building and integrally compounded with reinforced concrete of columns, beams and walls, the foamed aluminum building non-dismantling formwork has the characteristics of being small in density, high in impact absorption capacity, resistant to high temperature, good in heat preservation performance and the like, onone hand, the performance of the columns, beams and walls of the building is improved, and on the other hand, building processes are reduced.

The invention discloses a bionic foot capable of improving the gait naturality and stability of a biped robot. The bionic foot comprises a bionic foot body and a bionic ankle. The bionic foot body comprises bionic arches, extension springs, a compression spring, a viscoelastic material layer and rubber non-slip mats. Part of impact borne by the bionic foot can be consumed by the viscoelastic material layer, and the rest of the impact is absorbed by the elastic deformation of the bionic arches, the extension springs and the compression spring. Due to the fact that the rubber non-slip mats are adopted, the non-slip performance of the bionic foot can be improved. The bionic ankle comprises a first ankle joint connecting piece, a first ankle joint platform, a second ankle joint connecting piece and a second ankle joint platform. The bionic ankle can do inward turnover and outward turnover movement through the rotation of the first ankle joint platform around a third pin shaft, and can do back bending and toe bending movement through the rotation of the second ankle joint platform around a fourth pin shaft. By means of the bionic foot, the harmful effect caused by the impact can be effectively reduced, meanwhile, the walking mode of human beings can be imitated, and the gait of the robot can be more natural.

The invention discloses a large-tonnage loader oil cylinder sealing system which comprises a guide sleeve and a piston rod body used for installing the guide sleeve. A first sealing groove and a second sealing groove are sequentially formed in the inner side wall of the guide sleeve from left to right, and a dustproof sealing ring is connected to the inner side wall of the first sealing groove; the inner side wall of the second sealing groove is connected with a main sealing ring; the cross section of the main sealing ring is arranged into a Y shape; and the inner side wall of the dustproof sealing ring and the inner side wall of the main sealing ring make contact with the outer side wall of the piston rod body through arc-shaped end faces. According to the large hydraulic breaking hammer sealing system, through mutual cooperation of the dustproof sealing ring, the main sealing ring and a buffer sealing ring, the contact area between the dustproof sealing ring and the piston rod body and the contact area between the main sealing ring and the piston rod body are reduced, friction of the contact faces is reduced, a high-temperature-resistant polyurethane material is adopted as a main material, the influence of high temperature on a sealing system can be reduced, and the service life of the sealing system is effectively prolonged.

The invention relates to a flexibly landed foot mechanism of a humanoid robot. Shock absorption effect of feet of current robots is poor. The flexibly landed foot mechanism of the humanoid robot comprises an upswept sole plate, a bottom layer rubber gasket, a middle layer rubber gasket, a flat end opposite vertex waveform spring, a coating piece, a multi-dimensional flexible hinge, a six-dimensional force / torque sensor and an ankle support base. The multi-dimensional flexible hinge is fixedly arranged above the sole plate, and the ankle support base is connected with the multi-dimensional flexible hinge through the six-dimensional force / torque sensor. The bottom layer rubber gasket and the middle layer rubber gasket are arranged from top to bottom below the sole plate sequentially. The flexibly landed foot mechanism of the humanoid robot provided by the invention has the advantages of large bearing load, short stroke, small space required and the like, and the capacity of feet for absorbing shock is increased greatly.

The invention discloses a packing case, which comprises a case body and a corner baffle member. The case body comprises a bottom and a side wall structure. The side wall structure is arranged in a way to surround the bottom so as to form an accommodating space. The accommodating space comprises a corner. The corner baffle member is arranged on the corner and comprises an insertion part and a buffer part connected with the insertion part. The insertion part is inserted into the bottom. The buffer part is exposed on the accommodating space and adjacent to one wall face of the side wall structure. In this way, when an object accommodated inside the accommodating space has impacts on the corner baffle member, the impacts are directly transmitted to the bottom through the corner baffle member. The problem that a conventional packing case body cannot effectively bear the impacts through the side wall is thus solved.

The invention belongs to the technical field of bicycle devices, and in particular relates to a folding tandem bicycle. The folding tandem bicycle is most mainly characterized in that a secondary bicycle can be freely folded and used, and can be hung and leant on a primary bicycle when not in use, thus double riding is changed into single riding, and a storage space also can be saved when the bicycle is stored; a raincoat bag also can serve as a seat cushion when not in use; the folding tandem bicycle comprises a bicycle brake mounted on a handle beam and connected with a braking device by a wire, a headlight is fixed on a bicycle front support and is connected with a generator by a wire, the front and the back of a bicycle chain are respectively connected with a chain wheel and a small chain wheel, the chain wheel is connected with pedals, a secondary bicycle beam supports a secondary handle beam, and the secondary bicycle is connected with the primary bicycle. The folding tandem bicycle has the advantages of simple structure, small size and safety and reliability in use, and is suitable for being ridden by two persons simultaneously, and the riding fun is increased.

The invention discloses an explosion-proof room for air pressure test. The explosion-proof room comprises walls, a roof and an explosion-proof sliding door. Each wall comprises a structural steel frame, the inner side wall and the outer side wall of each structural steel frame are covered by an inner face plate and an outer face plate respectively, and the other two side walls of each structural steel frame, the inner face plate and the outer face plate form a space which is filled with damping sand. The roof is provided with a pressure relief port, and a pressure relief window is mounted on the pressure relief port. The explosion-proof room is capable of completely absorbing impact energy generated in explosion while relieving pressure quickly, and further capable of preventing explosion fragments from flying out from the pressure relief window.

A buffer column for roads, the buffer column is cylindrical, the core of the buffer column is a particle-reinforced foamed aluminum-based composite material, the core is wrapped with an elastic material layer, the elastic material layer is a titanium alloy cylinder, and the foam base aluminum base The alloy better ensures that the product has a better impact resistance effect, and at the same time reduces the product quality; the particle-reinforced aluminum foam matrix composite material can better absorb impact energy.