33results about How to "Disperse impact force" patented technology

An isolated double protection bridge pier anti-collision method and device with auxiliary piers, on both sides of the bridge pier, one or more auxiliary piers are arranged on both sides of the bridge pier along the bridge direction, the anti-collision device is installed on the auxiliary pier, the anti-collision device is not connected with the auxiliary pier The protected pier acts directly to prevent the impact force from being directly transmitted to the protected pier, and the main body of the anti-collision device adopts a buoyant structure, which can float up and down with the change of the water level, and can give sufficient protection in the vertical direction of the main pier; the use of the anti-collision device The anti-collision double protection for the protected pier is achieved by itself and the auxiliary pier; and guide wheels are installed at both ends of the outer anti-collision buoyancy tank. When the ship is colliding with the end of the anti-collision device, the guide wheel can adjust the direction of the bow to disperse the impact force , to protect the pier while reducing the damage to the anti-collision device. The invention is an anti-collision device for bridge piers with sufficient protection for bridge piers, elegant appearance, small occupied water area, low cost, easy installation and maintenance.

The invention relates to an arrangement structure of submerged nozzles for a special-shaped billet crystallizer. In the special-shaped billet crystallizer, two submerged nozzles are respectively arranged in two triangular areas where the flange of the special-shaped billet and the web intersect and casting is performed simultaneously; the two nozzles The position is axially symmetrical along the vertical line of the web center of the profiled billet; the third holes of each nozzle are opposite and aligned with the center of the web, and the center line between the left and right sides of the third hole coincides with the center line of the web. The holes are distributed axially symmetrically along the centerline of the web. During pouring, the two nozzles are symmetrically arranged in the triangular area of ​​the profiled billet, the holes on the symmetrical sides of the nozzle are aligned with the two ends of the flange, and the third hole is aligned with the center of the web. The submerged nozzle and its arrangement can obviously disperse the impact force of molten steel, improve the thermal center of molten steel, promote the uniformity of temperature and composition in the cross-section of the crystallizer, facilitate the removal of inclusions and reduce cracks and segregation. Quality defects.

The invention discloses a backlight module and a relative fixing structure, wherein the fixing structure is used to fix a light guide plate of the backlight module, the fixing structure is provided with a frame to contain the light guide plate, a positioning structure is connected with the frame to mesh the groove on the side face of the light guide plate to fix the light guide plate, the bottom baffle of the positioning structure is contacted with the bottom of the groove, two sides of the bottom baffle are respectively connected with one side baffle couple respectively bent and contacted with two side faces of the groove.

The invention discloses a wear-resistant non-toxic modified plastic production method. The method comprises S1, preparation: weighing 40 to 45 parts of polypropylene, 30 to 35 parts of polyvinyl chloride, 25 to 30 parts of glass fibers, 15 to 20 parts of carbon fibers, 1 to 1.5 parts of a coupling agent, 10 to 15 parts of Teflon, 0.5 to 1 part of a lubricant and 5 to 7 parts of low density polyethylene, S2, blending: adding the weighed materials into a mixer and carrying out full mixing and grinding, S3, extrusion: putting the fully mixed materials into a twin-screw extruder and carrying out extrusion, S4, cooling: putting the molded plastic into a cooling room and carrying out cooling, S5, dry air drying: carrying out dry air drying and cooling on the product obtained by the step S4 through a dry air machine, S6, grain-sized dicing: putting the product obtained by the step S5 into a pelletizer and carrying out grain-sized dicing, and S7, vulcanization: carrying out vulcanization on the particles in a press vulcanizer. Through filling modification of polypropylene and polyvinyl chloride, the wear resistance of the modified plastic is greatly improved, good thermal performances areobtained, environmental friendliness is obtained and toxicity is avoided.

The invention relates to the field of bridge construction, and particularly discloses a dispersed pier anti-collision device. The device comprises a supporting table wrapping a pier, the upper end ofthe supporting table is exposed out of the water surface, an annular sliding rail is arranged on the upper surface of the supporting table, and the sliding rail and the pier are concentric; a plurality of connecting columns distributed in a circular array are connected to the sliding rail in a sliding mode, an annular buffer plate is arranged above the supporting table, and the inner wall of the buffer plate is fixedly connected with the connecting columns; an annular through groove is formed in the bottom wall of the sliding rail, a plurality of vertically-formed through holes are formed in the supporting table, the through holes correspond to the connecting columns one to one, and cylinders are vertically connected into the through holes in a sliding mode; a steel cable is fixed to the top end of the cylinder and penetrates through the through groove to be fixed to the bottom end of the connecting column, the bottom end of the cylinder extends downwards out of the supporting table and is immersed in water, and a horizontally and transversely arranged balance weight plate is fixed to the bottom end of the cylinder. The anti-collision structure aims at solving the problem that a traditional anti-collision structure cannot effectively disperse ship impact force.

The invention discloses a LDPE (low-density polyethylene) foaming heteromorphic material and a preparation method thereof. The LDPE foaming heteromorphic material comprises the following components in parts by mass: 90-100 parts of LDPE, 3-6 parts of a nucleator, 1-2 parts of a foaming agent, 0.1-0.5 part of an antisbrinking agent, 2-6 parts of polyethylene wax, 0.1-1 part of zinc oxide, 0.01-0.05 part of color master batches, 0.01-0.05 part of an antistatic agent, 0.01-0.05 part of an antiager and 0.01-0.05 part of a flame-retardant agent. The LDPE foaming heteromorphic material disclosed by the invention is light, elastic and soundproof; the LDPE foaming heteromorphic material has the functions of favorable water resistance, favorable dampness resistance, favorable flame retardancy, favorable static electricity resistance and favorable stretch resistance, and the LDPE foaming heteromorphic material can disperse external impact force so as to achieve the effects of buffering and shock absorption.

The invention relates to an electronic device protective shell capable of transforming kinetic energy into elastic potential energy, which comprises a shell and a plurality of bouncing parts; the shell is provided with an accommodating chamber for allowing an electronic device to be accommodated in; and the bouncing parts are positioned at the corners of the shell, the outer surfaces of the bouncing parts protrude out of the side surfaces of the shell, and the rebound rate of the bouncing parts is higher than 40 percent. Therefore, the external force impact directly applied to each side surface of the shell can be avoided, the impact force from the corners to the electronic device can be reduced, the electronic device protective shell has the advantages of shock absorption function and/or damping function, and the phenomenon that the electronic device is damaged due to the external force impact can be effectively reduced.

The invention discloses a side-bend energy absorbing buffer stem, which comprises a hull. A longitudinal structure unit, a transverse structure unit and an advanced collapsing structure are arranged in the hull, wherein the longitudinal structure unit is provided with a horizontal stringer, and the advanced collapsing structure is provided with a plurality of collapsing portions which are arranged at junctions of the horizontal stringer and the hull. When the buffer stem bumps a collided ship, the collapsing portions can collapse in advance and enable the buffer stem to deform in a side-bend manner, accordingly, the contact area of the buffer stem with the collided ship can be increased, impact force can be scattered, and the buffer stem is prevented from puncturing a hull of the collided ship.

A thermal insulation glass foam board is prepared from waste glass as raw material. A preparation method is as follows: 1) removing impurities in waste glass as raw material, grinding the glass to 400-150 mesh by dry grinding; 2) melting the glass powder at 1400-1000 DEG C, adding a proper amount of metal oxides selected from one or more of cobalt oxide, manganese oxide and copper oxide to change the color of glass and achieve the integration of insulation and decoration; 3) blowing bulbs with diameter of 0.5-15mm and wall thickness of 0.5mm by inert gas (with poor heat conduction) such as argon or neon in the environment of 1300 DEG C, wherein the bulbs naturally bond through glass solidification to form a glass bulb plate in the mold with adjustable thickness; and 4) after formation of the glass bulb plate, annealing the mold in a low temperature annealing zone in order to reduce the brittleness of glass.

The invention discloses an automobile bumper device with an expansion function. The device comprises a bumper (1) and two bumper expansion components (2), and the two bumper expansion components are respectively mounted at two ends of the bumper; a trigger part is arranged on the bumper expansion assembly and located in front of the bumper, and when the trigger part moves towards the bumper under the action of an external force, the bumper expansion assembly can expand in the extension direction of the end of the bumper; and an expansion locking mechanism is further arranged between the bumper expansion assembly and the bumper, and when the bumper expansion assembly is expanded to the extending direction of the bumper, the expansion locking mechanism can lock the bumper expansion assembly and the bumper and combine the bumper expansion assembly and the bumper into a whole. The bumper device can be expanded when collision occurs so that the collision force is greatly dispersed, the damage of collision impact to the whole structure of the vehicle is reduced, and the personal safety of a driver and passengers in a compartment is fully protected.

The invention belongs to the technical field of telegraph poles, and particularly relates to a double-layer thin-wall steel pipe anti-collision concrete telegraph pole which comprises a mounting baseand a mounting rod welded to the top of the mounting base. The mounting rod is hollow, the outer side of the joint of the mounting base and the mounting rod is sleeved with a fixing cylinder, the outer surface of the mounting base is rotatably connected with a rotating cylinder, and the outer side of the rotating cylinder is slidably connected with a multi-stage folding cylinder. The multi-stage folding plate is arranged, after an animal impacts the multi-stage folding cylinder, the folding cylinder is folded and the deformation of the multi-stage folding cylinder is buffered; meanwhile, the body of the animal is twisted and moves along the outer edge of the multi-stage folding cylinder, the multistage folding cylinder can be pushed to rotate on the mounting base, rotary force unloading isrealized, and the mounting base is prevented from being knocked down; meanwhile, when the multistage folding cylinder is extruded, the multistage folding cylinder can deform upwards to push the extrusion rod, the extrusion rod pushes the folding plate and unloads force to the folding plate, impact force of the animal can be dispersed and the anti-damage capacity is improved.

The invention discloses a modified plastic stretch canvas and a preparation method thereof. The modified plastic stretch canvas includes a modified plastic layer, one side of the modified plastic layer is provided with a canvas layer, and the other side of the modified plastic layer is provided with a LDPE foaming material layer. The modified plastic stretch canvas has the advantages of being light in weight, waterproof, and good in toughness, tensile strength and tear resistance, and can disperse external impact force to achieve the effect of buffering and damping.

The invention discloses a full-automatic nucleic acid purification and fluorescent PCR analysis system, which comprises a processing mechanism body and an analysis system; a protection base is arranged at the bottom of the processing mechanism body; protection plates are arranged on the two sides of the protection base; a supporting rod is welded to one side of each protection plate; a fixing block is welded to the other end of each supporting rod; a connecting rod is rotationally connected to the fixing block; a push rod is welded to the bottom of the fixing block; a sleeve rod is fixedly connected to the other end of the push rod; a sliding rod is arranged in the sleeve rod in a sleeved mode; a sliding plate is welded to one end of the sliding rod; and the analysis system comprises an instruction sending module. The invention is novel in structure; a reaction mechanism is subjected to multiple protection buffering; impact force is dispersed; the stability of the reaction mechanism is improved; therefore, the reaction is more accurate; through arrangement of a processing system, the purification steps are controllable, and the result is accurately calculated and transmitted in real time; the processing system is simple; backup storage is achieved; loss of test data is avoided; and the invention is suitable for application and popularization.

The invention discloses a high-strength bumper of a new energy automobile; the bumper comprises a mounting frame, a mounting opening is formed in the front face of the mounting frame, a bumper cross rod is mounted in the mounting frame, bumper vertical rods are fixed to the front face of the bumper cross rod, the surfaces of the bumper vertical rods are sleeved with rolling wheels, and wear-resisting sleeves are pasted to the inner surfaces of the rolling wheels. The mounting frame is filled with a first buffer pad, and a second buffer pad is pasted to the back face of the mounting frame. When the automobile is impacted, the rolling wheels rotate and guide the impact force, the impact force of impact points is dispersed and guided, and the impacted degree of the automobile is reduced. The bumper cross rod and the bumper vertical rods are both connected with the mounting frame in a sliding mode, the impact force can be dispersed, and the protection capacity of the bumper on the front face of the automobile is improved. A side blocking frame is detachably connected with the mounting frame through first bolts, the first bumper and the second bumper are installed on the inner side and the outer side of the side blocking frame and connected with a third buffering cushion and a fourth buffering cushion, and the protection capacity of the side face of the head of the automobile is improved.

The invention discloses a special impact-resistant and rapid-radiating aluminum alloy hub comprising a hub body. The hub body comprises a hub inner ring and a hub outer ring. The two sides of the hubouter ring are both fixedly connected with the hub inner ring through spokes; a plurality of radiating holes are formed in the surface of the hub outer ring; reinforcing ribs are fixedly arranged on one sides of the spokes; and a plurality of positioning holes are formed in one side of the hub inner ring, and radiating channels are formed in the two ends of one side of the hub inner ring correspondingly. Through the arranged reinforcing ribs, the effect of improving the toughness of the spokes is achieved, and meanwhile the shock resistance effect is achieved properly; through the formed positioning holes, a worker can mount and fix the hub conveniently, and meanwhile detaching is facilitated; during traveling of an automobile, heat is generated between the hub outer ring and a tire because of friction, and the heat can be dissipated effectively and timely through the formed radiating holes; and through arranged heat conducting spacers, heat generated during rotating of the hub inner ring is guided out through the radiating channels.

The invention relates to the technical field of adhesive tapes, in particular to an LED lamp with a good heat dissipation effect, which comprises a lampshade main body, an upper lampshade and a fan, the inner wall of the lampshade main body is connected with heat dissipation fins, the outer walls of the heat dissipation fins are connected with the inner wall of the upper lampshade, the heat dissipation fins are of an annular structure, and the outer walls of the heat dissipation fins are connected with the inner wall of the upper lampshade. A plurality of radiating fins are arranged between the upper lampshade and the lampshade body, a plurality of only sheets are distributed around the circle center of the radiating fins, sliding grooves are formed in two of the only sheets, a second rotating shaft is slidably connected into the sliding grooves, and the two ends of the second rotating shaft are connected with a first connecting rod and a second connecting rod correspondingly. In this way, heat generated by the LED lamp can be rapidly dissipated, meanwhile, air cooling can be conducted on the bottom of the panel mounting plate through the draught fan, then heat led out by the ring sleeving piece can be rapidly cooled under the action of the draught fan, and heat generated by the LED lamp can be rapidly discharged through the gap between the ring sleeving piece and the lampshade body.

The invention discloses a bridge guardrail, and relates to the technical field of bridges. The bridge guardrail comprises a bridge foundation surface; the outer surface of the bridge foundation surface is fixedly connected with protection piles; a greening groove is formed in the top of each protection pile, a through groove is formed in the outer surface of each protection pile and located below the corresponding greening groove, curved grooves are formed in the top and the bottom of the inner surface of each through groove, and elastic mechanisms are arranged on the inner surfaces of the curved grooves; and curved rods are uniformly connected between the opposite sides of the two curved grooves in a sliding manner. Anti-collision mechanisms, buffering mechanisms and the elastic mechanisms are arranged between the protection piles, the problem that the protection piles are single in function is solved, when a vehicle is collided, and the protection piles can have certain buffering force when receiving impact force generated by collision; rotatable parts are arranged in the protection piles, the rotation effect is generated when the protection piles make contact with the vehicle, the effect of dispersing impact force is achieved to a certain extent, damage to the protective piles caused by part of impact is relieved, and the safety of the bridge guardrail effect is improved.

The invention provides a guardrail brick for a telegraph pole. The guardrail brick is of a fan shape and is provided with an outer edge, an inner edge, a left edge and a right edge, wherein the outer edge is longer than the inner edge, and the left edge and the right edge are equal in length. According to the technical scheme, the guardrail brick for the telegraph pole can achieve the protective and reinforced effects on the telegraph pole, and energy caused by object impact can be effectively dispersed.