116results about How to "Good anti-collision performance" patented technology

A motor vehicle has an electric drive and at least one electrical energy storage module connected therewith. A guide extends longitudinally along the motor vehicle, and supports the storage module therein in a longitudinally displaceable manner relative to the motor vehicle.

The invention discloses a conveniently-used cargo box applied to ship transportation. The cargo box comprises an outer box and an inner box, wherein the upper part of the outer surface of the outer box is fixedly connected with two mutually-symmetric support rods; one end away from the outer box of each support rod is fixedly connected with a ring-shaped fixing ring; a clamping groove is formed in the inner bottom wall of the outer box; the inner side wall of the outer box is fixedly connected with two groups of mutually-symmetric first buffer springs; the inner box is located inside the outer box; one end away from the outer box of each first buffer spring is fixedly connected with the outer side of the inner box; the bottom of the inner box is fixedly connected with clamping blocks which are matched with the clamping groove; and the clamping blocks are clamped in the clamping groove. Through the conveniently-used cargo box applied to ship transportation, the external force can be effectively buffered; the damage to cargos can be effectively avoided; the cargos can be effectively protected; the effective transportation of the cargos is ensured; the collision resistance is high; the cargo box can be effectively locked; the cargo box is more convenient to use.

The invention discloses a method for cryptoguard by utilization of infinite dimensional hyperchaos for construction of unilateral hash functions, wherein, a plaintext and a key are taken as initial values of two hyperchaos Chen systems provided with delay feedback at first; evolvement is performed according to characteristics of chaotic dynamics of the system; a final result of evolvement is quantized; the quantized value is substituted into key streams for iteration; confusion and diffusion of plaintext information and key information are realized, and a 128-bit Hash value of the plaintext with any length is generated on the basis of a cipher block chain mode. The method of the invention performs cryptoguard by construction of the Hash functions, fully utilizes signals generated by an infinite dimensional hyperchaos system to improve the scrambling performance of the signals and the sensitivity of parameters, and has stronger attack resistance and better safety to predicted attacks.

The invention relates to a design method for a T-shaped intersection of an arterial highway in a mountain area for traffic safety. Roadside protections are graded according to the collision energy of vehicles steering at the roadside of the intersection, and corresponding novel concrete guard bar structures are arranged; guard bars comprise herringbone collision posts and independent concrete short bases, the requirements of different protection levels of the roadside at the intersection are met by regulating the spaces, sizes and the depth embedded into a roadbed of the herringbone collision posts, and the purpose of protecting the vehicles steering at the intersection is achieved; the included angle between the herringbone collision posts and the edge line of a lane is 5-15 degrees, so that the protection area for steering vehicles is increased; PVC (poly vinyl chloride) pipes are sheathed on the outer layers of the collision posts, red-and-white retroreflection vertical face mark lines are arranged on both the collision posts and the concrete short bases, so that the visibility of the intersection is improved; 3-4 groups of vibration deceleration zones are arranged on the crossed road 3-6m away from the intersection; vibration side lines are additionally arranged at the roadside in the range of 30-50m in all the directions of the intersection. The design method is applicable to controlling the T-shaped intersection in the mountain area without signal control, and the primary road is a second-class highway or a first-class highway.

The anti-collision barrier with cushioning performance adopts an axisymmetric structure. The outermost side is provided with a protective cover, the inner side of the protective cover is provided with polyurethane rubber, the inner side of the polyurethane rubber is provided with anti-collision steel plates, and the inner part of the anti-collision steel plate is the fence part and The base part and the column body part include a high-damping concrete filling layer set on the inner side of the anti-collision steel plate, and energy-absorbing buffer materials are arranged between the high-damping concrete filling layers, and an anti-collision cushion is arranged on the inner side of the high-damping concrete filling layer, and the anti-collision The inner side of the buffer pad is provided with ultra-high toughness concrete, and the inner side of the ultra-high toughness concrete has sand, and multiple spring dampers and horizontal connecting steel pipes are arranged in the sand in the column body part; the center of the base part is equipped with a high-strength The anti-crack concrete column is embedded in the ground, and sand is arranged between the anti-collision steel plate of the base part and the high-strength anti-crack concrete column. The invention has the advantages that the anti-collision barrier has strong anti-collision ability, high anti-deformation ability and high stability, and can effectively protect accidents such as collisions.

The invention relates to a rotary charging pile with an anti-collision function. The rotary charging pile comprises a bottom plate, wherein a rotating mechanism is mounted on the upper end face of the bottom plate; a pile body is mounted on the upper end face of the rotating mechanism; four rib posts are respectively welded on four side faces of the upper end of the pile body; annular supporting rings are welded on outer walls of the four rib posts; a circle of damping supporting mechanisms are uniformly mounted on the outer walls of the annular supporting rings along a central axis; the top ends of all the damping supporting mechanisms are welded on damping supporting rings; the damping supporting mechanisms can provide good damping performance and rigid supporting performance for the damping supporting rings; anti-collision posts are uniformly arranged on the lower end faces of the damping supporting rings along the central axis; and due to the uniformly distributed anti-collision posts, the phenomenon that the surface of the pile body is collided by an electric automobile can be avoided. According to the rotary charging pile disclosed by the invention, the functions of accurately rotating the charging pile to adjust a charging angle at a joint of a charging gun and realizing stable collision prevention can be realized, the maintenance cost of the charging pile is greatly reduced, and the operating performance is excellent.

The invention relates to a locomotive and a locomotive collision-proof structure for a rail vehicle. The locomotive collision-proof structure comprises front collision-proof columns and corner columns, and the front collision-proof columns and the corner columns are arranged on a chassis at the front end of a driver's cab and respectively symmetrically distributed along a vehicle advancing direction. The locomotive collision-proof structure further comprises a semicircular collision-proof waist beam and lateral collision-proof columns on a lateral chassis of the driver's cab, and the collision-proof waist beam is formed by connection of a lateral collision-proof waist beam and a front window collision-proof waist beam, the lateral collision-proof waist beam is fixed to tops of the lateral collision-proof columns, and the front window collision-proof waist beam is fixed to tops of the front collision-proof columns and the corner columns. The locomotive collision-proof structure for the rail vehicle is simple in structure and great in collision-proof performance; by synergistic effects of the front collision-proof structure and the lateral collision-proof structure, the locomotive collision-proof structure is capable of effectively dealing with front collision and also has a lateral collision prevention function, so that safety of the vehicle is improved. The probability of direct collision destroy of the front collision-proof structure is low, and high safety is realized.

The invention relates to a microalloyed high-aluminum high-ductility steel plate and a manufacturing method thereof, and belongs to the field of alloy steel. The steel plate comprises the chemical components, by mass, including 0.8%-1.0% of C, 28%-30% of Mn, 8.0%-10% of Al, 0.02%-0.10% of Nb, 0.02%-0.10% of V, 0.02%-0.10% of Ti, 0.02%-0.08% of N, 0-0.003% of P, 0-0.003% of S and the balance Fe and inevitable impurities. The manufacturing method comprises the steps that firstly, raw materials are prepared according to the chemical components, then a plate billet is forged after smelting and casting, the plate billet is heated, homogenized and subjected to multi-pass hot rolling deformation with the accumulative deformation rate being 85%-90%, water cooling after rolling is conducted, and then the plate billet is air-cooled to the room temperature; secondly, the hot-rolled steel plate is subjected to solution treatment, fast heated to a solution treatment temperature for heat preservation for a period of time, and then water-quenched to the room temperature; thirdly, the steel plate subjected to the solution treatment is pickled, cold-rolled and subjected to multi-pass rolling deformation with the accumulative compression amount being 65%-80%; and fourthly, the cold-rolled steel plate is subjected to final annealing treatment, and then water-quenched to the room temperature, so that the microalloyed high-aluminum high-ductility steel plate is obtained. According to the steel plate manufactured through the manufacturing method, the strength and ductility product can reach 50 GPa*%, and the impact and collision resistance of the material is obviously improved.

The invention relates to a nano/superfine medium-manganese TRIP (transformation induced plasticity) steel plate and a warm-rolling preparation method thereof, belonging to the technical field of ultrahigh-strength steel. The nano/superfine medium-manganese TRIP steel plate comprises the following chemical components in percentage by weight: 0.17-0.25wt.% of C, 0.00-0.50wt.% of Si, 5.00-7.00wt.% of Mn, 1.00-1.50wt.% of Al, 0.014-0.03wt.% of N, 0.00-0.06wt.% of Nb, 0.00-0.25wt.% of Mo, and the balance of Fe and inevitable impurities. The preparation method comprises the following steps: smelting, forging, carrying out hot rolling, and carrying out warm rolling to obtain the nano/superfine medium-manganese TRIP steel plate; and carrying out heat treatment on the steel plate to obtain the nano/superfine medium-manganese TRIP heat-treated steel plate. By using the warm-rolling technique instead of the typical technique for producing manganese steel, the method provided by the invention has the advantages of simple technique, short production cycle and controllable plate shape. The prepared steel plate has a nano/superfine structure, has the advantages of high strength and favorable properties, and satisfies the target requirements of resource saving, energy consumption reduction, light weight and crash safety enhancement for automobile industry.

The invention provides a toy gyro good in defensiveness. The toy gyro comprises a spiral cover, a spiral sheet, a spiral base and a hillock point, and is characterized by further comprising an elastic shock absorption piece for buffering impact force when the gyro is impacted. The shock absorption piece is provided with an elastic part used for resisting impact and a connection part fixedly connected with the spiral base. The elastic part is located on the periphery of the spiral base through fixed connection of the connection part and the spiral base, and therefore when the gyro competes with other gyros and the other party impacts on the elastic part, impact force will be reduced due to elastic deformation of the elastic part; thus, the shock absorption effect is achieved to make the gyro rotate stably, anti-impact force is produced and returned to the other party at the same time to interfere the other party, and accordingly the win rate of the gyro is improved. The toy gyro is strong in interestingness, the elastic property of the elastic shock absorption piece can be changed by a player according to judgments so as to achieve a better anti-impact effect, the method to play the toy gyro is novel, the toy gyro can attract more players, and manipulative ability and competitive ability of children can be trained at the same time.

The invention belongs to the field of passivation treatment and discloses a trivalent chromium concentrated blue and white zinc passivant. The trivalent chromium concentrated blue and white zinc passivant is prepared from 8-50g/L of chromic chloride, 10-60g/L of aluminium potassium sulfate, 3-10g/L of aluminium potassium sulfate, 3-20g/L of cobalt nitrate, 8-15ml/L of coupling agent, and 0.5-5g/L of rare earth element. The invention further discloses a passivation method by means of the trivalent chromium concentrated blue and white zinc passivant. The passivation method includes a first step of galvanizing the surface of a product, washing the product with water, activating the product with concentrated hydrochloric acid, and washing the product with water, a second step of processing the product by means of the blue and white zinc passivant, washing the product with water, and sealing the product with hot water, and a third step of drying the product. The trivalent chromium concentrated blue and white zinc passivant and the passivation method by means of the trivalent chromium concentrated blue and white zinc passivant are environment-friendly, wide in technology tolerance, easy to operate, good in stability, firm in film formation, little in consumption, and low in cost.

The invention discloses a front safety belt upper pivot mounting bracket, which comprises a bracket body and a T-shaped nut, and is characterized in that the section of the bracket body is in a shape like a Chinese character 'JI', the two lower ends of the bracket body are respectively provided with a flange, the middle of the upper surface of the bracket body is provided with a through hole, and the lower part of the T-shaped nut passes through the through hole and is welded on the bracket body. The invention has good stiffness and high strength, can reasonably transmit load, has good crashworthiness, not only meets the mounting of the front safety belt upper pivot, but also meets the requirements of automobile structure stiffness and collision regulations, simultaneously improves the welding efficiency, saves the mounting cost and improves the assembly accuracy.

The invention relates to a hinge type deformation shrinkage self-resetting unilateral bolt fastener and a mounting tool. The unilateral bolt fastener penetrates through a connecting piece installationhole from one side of a connecting piece, so that fastening connection operation is completed. The unilateral bolt fastener comprises a round-head bolt, a split type gasket, a sleeve, a washer and anut, wherein the split type gasket, the sleeve, the washer and the nut sequentially sleeve the round-head bolt in the axial direction of the round-head bolt; the split type gasket comprises first gasket single bodies, second gasket single bodies and a rubber ring, wherein the first gasket single bodies and the second gasket single bodies are connected end to end to form a ring-shaped structure, and the rubber ring surrounds the outer edge of the ring-shaped structure; the first gasket single bodies and the second gasket single bodies are sequentially arranged alternately in a circumferential direction; the outer periphery of each first gasket single body is connected with the outer periphery of one end of one adjacent second gasket single body through a first hinge, and the inner peripheryof the other end of each first gasket single body is connected with the inner periphery of one end of another adjacent second gasket single body through a second hinge,. Compared with the prior art,the hinge type deformation shrinkage self-resetting unilateral bolt fastener has the advantages of rapidness in installation, detachability and the like.

A method of fabricating a snowboard or ski is provided. In one embodiment, a trench (220) is routed at the face of a core (210). A thermosetting polymeric solution (430) is poured into the trench. The thermosetting polymeric solution is cured to form a thermosetting polymeric mold. A region (350) between the outer perimeter of the core and the outer perimeter of the trench is removed without stripping the thermosetting polymeric mold so as to form a sidewall (560) integrally surrounding the core.

The present invention relates to a preparation method of enteric-coated soft capsules. The enteric-coated soft capsules comprise contents and capsule shells. The contents are fish oil or a combination of the fish oil and other components. The preparation method comprises the following steps: coating liquid is added in a process of glue melting of glue skin, vacuum-pumping and pressure maintaining glue melting are conducted, then the vacuum-pumping is conducted to enable glue liquid to be free of bubbles, and the glue liquid is put still at 65-70 DEG C to be subjected to a heat preservation for a standby application; the obtained glue liquid is used to form the soft capsule shells; and the contents are wrapped in the soft capsule shells formed by the glue liquid using a pill pressing machine to prepare the enteric-coated soft capsules. The obtained enteric-coated soft capsules can prevent corrosion of the glue skin by medicinal liquid, increase a shelf life of the products, show no oil leakage and penetration phenomena, increase disintegration time and are full of toughness.

The invention specifically relates to a rigid multiway displacement anticollision guardrail which comprises upright columns which are arranged at the two sides of a bridge expansion joint, wherein a plurality of telescopic horizontal rods which are arranged along the bridge direction are uniformly arranged between the upright columns at the two sides along the vertical direction at intervals, so as to be suitable for longitudinal displacement between bridge bodies, the two ends of each telescopic horizontal rod are respectively articulated to the upright columns at the two sides by adopting a pin shaft and a hoop sleeve system so as to be suitable for transverse displacement between the bridge bodies, and in addition, every two telescopic horizontal rods are welded through a vertical connecting rod to form a rigid frame-type integrated anticollision structure. The rigid multiway displacement anticollision guardrail has the advantages of strong guardrail anticollision capability, strong deformation capability, convenience in maintenance and change and good landscape efficiency.

The invention discloses a vehicle monitoring system based on automatic identification technology, and relates to the technical field of electronic information. The vehicle monitoring system consists of an application software system, a middleware server, an identifying and reading device and a vehicle to be detected which are communicated with one another in turn. The application software system provides supervision department-oriented application service; and the middleware server completes data filtering and forwarding and partial logic processing operation. The vehicle monitoring system has the structural characteristic that: the identifying and reading device comprises a fixed identifying and reading device, a vehicle-mounted identifying and reading device and a handheld identifying and reading device and completes vehicle information acquisition and data comparison operation. The vehicle to be detected is stuck with a passive ultrahigh frequency electronic tag to communicate with the identifying and reading device so as to complete the monitoring. Compared with the prior art, the vehicle monitoring system integrates radio frequency, video, radar velocity measurement and other automatic identification technology, effectively improves the accuracy rate of identifying and reading vehicles and has high environmental adaptation.

The invention discloses a round-bilge knuckle ship. The ship comprises a ship shell, wherein a partition plate is fixedly connected to the inner wall of the ship shell, two air cylinders are symmetrically arranged at the top of the partition plate, the bottoms of the air cylinders penetrate through the partition plate and extends to the bottom of the partition plate, the bottoms of the two air cylinders are fixedly connected through a mounting plate, and the bottom of the mounting plate is fixedly connected with a storage shell. Through mutual cooperation of the air cylinders, the mounting plate, sliding sleeves, sliding plates, supporting springs 13, supporting sleeves 14, a shielding plate 15 and anti-collision blades 16, the anti-collision capability of an existing round-bilge knuckle ship is high; the shielding plate 15 and the anti-collision blades 16 protect a ship body and a buoyancy device, and the anti-collision capability of the round-bilge knuckle ship is improved; and the buoyancy device and the ship body are effectively protected, and normal operation of the buoyancy device and the ship is maintained.

The invention discloses an oblate ellipsoid-shaped bridge sunk shaft foundation favorable for changing the course of a ship colliding with a bridge. The oblate ellipsoid-shaped bridge sunk shaft foundation comprises a shaft wall, short-edge partitions, long-edge partitions, arched side shaft holes and rectangular central shaft holes, wherein the shaft wall, the long-edge partitions and the short-edge partitions are connected into a whole, and the arched side shaft holes and the rectangular central shaft holes are distributed inside, so that a lattice-type oblate ellipsoid-shaped section sunk shaft foundation is formed. According to the oblate ellipsoid-shaped bridge sunk shaft foundation favorable for changing the course of a ship colliding with a bridge, the water-blocking effect can be effectively reduced; the anti-colliding performance of the structure is improved; and damage to ships is alleviated, so that the oblate ellipsoid-shaped bridge sunk shaft foundation has wide application prospect in river-crossing and offshore bridge construction.

The invention discloses a prefabricated combined road and bridge anti-collision side edge protection structure which comprises a mounting base surface, a mounting plate, reserved bolts and supporting blocks, the mounting plate is arranged above the mounting base surface, the supporting blocks are arranged on the rear side of the mounting plate, and the reserved bolts penetrate through the front side and the rear side of the mounting plate; the reserved bolts are fixed in the mounting base surface, a connecting block is embedded in the lower portion of the mounting plate, a reserved groove is formed in the outer side of the connecting block, the reserved groove is formed in the upper surface of the mounting base surface, a guide cylinder is arranged on the front side of the mounting plate, and a mounting frame is connected to the outer side of the guide cylinder; and a supporting plate is mounted at the rear end of the mounting frame. The prefabricated combined road and bridge anti-collision side edge protection structure is provided with fixing blocks, clamping plates and mounting shafts, the clamping plates can be pushed to move through the fixing blocks, the clamping plates are connected with the clamping grooves, so that the connecting stability between the connecting blocks and the reserved grooves is improved, and the structure has better anti-collision capacity.