71results about How to "Improve collision resistance" patented technology

This invention relates to a Z-shape small cement concrete hollow filled insulating building block, which belongs to the acoustic and heat-insulating material of the architecture field. The technical project is: designing the building outline to Z-shape hollow, filling the straw, chaff or the crushed wheat strew, corn stalk, waste aerated plastics particles which are packed and sealed with the aluminized plastic film. The insulating block obstructs the end wall interlaced through double layer insulating material, and eliminates the self-cold bridge, which increases the insulating property of the wall greatly; in addition, the loose insulating material can absorb acoustic energy and has good deafening effect. The Z-shape block is mainly used in laying the exterior wall and the separated production wall.

The invention discloses high-corrosion-resistance trivalent chromium blue white passivation concentrated solution. The passivation solution comprises the following raw materials and contents: 100-350 g/L of chromic salt, 50-250 g/L of cobalt salt, 50-200 g/L of complexing agent, 50-200 g/L of oxidizing agent, and 10-120 g/L of pH conditioning agent; and solvent is water. The passivation concentrated solution adopts the most advanced international trivalent chromium, contains no hexavalent chromium, belongs to the new generation of environment-friendly product, and is simple in process operation, easy to operate and control, excellent in stability, uniform and bright in blue of a passivation membrane, compact and firm in film formation, higher in corrosion and collision resistance and meanwhile, longer in service life.

A front subframe structure includes front and rear cross members, a pair of left and right side members, and a vehicle body mounting portion disposed on front ends of the side members. The side member has a lateral widening portion at a front end thereof, wherein the lateral widening portion bulges outward in a vehicle width direction. The front cross member has a front widening portion at an end portion thereof in the vehicle width direction, wherein the front widening portion bulges forward of the vehicle. A portion of the front cross member excluding the front widening portion is disposed on the rear side with respect to the vehicle body mounting portion, and on the front side with respect to a rear end of the lateral widening portion.

The invention discloses a car front safety anti-collision beam. The car front safety anti-collision beam comprises a body, a truss and an energy suction box fixedly connected with the truss, the trusscomprises a first trapezoidal body, a second trapezoidal body and a third trapezoidal body which are connected in sequence, the transverse dimension of the second trapezoidal body is gradually decreased from the inner side of the body to the outside, and the transverse dimension of the first trapezoidal body and the transverse dimension of the third trapezoidal body are gradually increased from the inner side of the body to the outside; and the first trapezoidal body, the second trapezoidal body and the third trapezoidal body are all connected with the body. The truss disperses local impact force into the three trapezoidal bodies in the mode that one of the first trapezoidal body, the second trapezoidal body and the third trapezoidal body extrudes the other two to generate displacement, and the impact force is transmitted to the whole body through the three trapezoidal bodies so as to avoid stress concentration. Meanwhile, according to the truss structure, the rigidity of the body canbe improved, and the anti-collision performance of the body is improved.

The present invention provides a camera device resistant to impact and collision, belonging to the video monitoring field. The device comprises an impact-resistant body assembly and a collision-resistant body assembly. The impact-resistant body assembly is internally provided with a sealing cavity, and the sealing cavity is internally provided with an impact resistance vibration reduction assembly. The impact resistance vibration reduction assembly comprises elastic elements and a vibration reduction O-shaped circle. The elastic elements are arranged in the sealing cavity and respectively arranged at the upper and lower ends of a camera instrument, the vibration reduction O-shaped circle is arranged at the outer circle of the camera instrument, and the vibration reduction O-shaped circle and the camera are coaxially arranged. The impact-resistant body assembly further comprises a guide plate which is fixed on the camera instrument, circles with guide lug are arranged around the guide plate, the outer edge of the guide lug is arranged at the camera instrument in the protruding mode, a guide slot is arranged at the position of the sealing cavity corresponding to the guide lug, the guide lug is in clearance fit with the guide slot, and the guide lug and the guide slot are slidingly connected up and down. The camera device resistant to impact and collision is resistant to impact and collision, and convenient and rapid to install and debug.

The invention discloses a thin film transistor liquid crystal display, comprising a cover plate, an upper polaroid, a first substrate, a second substrate, and an IC chip. The upper polaroid is arranged on the lower surface of the cover plate. The first substrate is arranged on the lower surface of the upper polaroid. The edge of one end of the first substrate is provided with a connection terminal. The IC chip is arranged on the first substrate close to the connection terminal. The second substrate is arranged on the lower surface of the first substrate. The thin film transistor liquid crystal display can enhance strength of the connection terminal, and prevents blank screen and broken screen caused by impacting the display.

The invention relates to an ultra-strong underwater LED high-power trapping lamp. The ultra-strong underwater LED high-power trapping lamp comprises an upper cover plate, a lower cover plate, an LED light emitting module, a top cover and a lamp weight, wherein the LED light emitting module comprises a heat conduction lamp wick, an LED module, a waterproof plug and a light transmission shade; the heat conduction lamp wick is connected between the upper cover plate and the lower cover plate and takes the shape of a hollow cylinder; the LED module is arranged on the peripheral wall of the heat conduction lamp wick; the light transmission shade sleeves the LED module, and two ends of the light transmission shade are connected to the upper cover plate and the lower cover plate respectively; a sealing adhesive is arranged at the connecting part of the lamp wick and each of the upper cover plate and the lower cover plate; an O sealing ring is arranged at the connecting end of the light transmission shade and each of the upper cover plate and the lower cover plate; a sealing cavity is formed between the light transmission shade and the LED module and is filled with pressure-resistant cooling oil; a water inlet hole communicated with an inner hole of the heat conduction lamp wick is formed in the lamp weight; a plurality of water outlet holes communicated with the inner hole of the heat conduction lamp wick are formed in the top cover; a protective frame sleeves the light transmission shade. The ultra-strong underwater LED high-power trapping lamp has the advantages of simple structure, good collision resistance and long service life.

The invention relates to a collision-resistant prow structure of a public service vessel. The prow is a forerake snout prow. A reinforcing structure is fixedly arranged in the snout prow and comprises a longitudinal partition arranged in the central longitudinal position, a plurality of transverse partitions, a plurality of horizontal partitions and intermediate ribs, wherein the transverse partitions are welded on the longitudinal partition, and the horizontal partitions and the intermediate ribs are perpendicularly arranged at intervals. The longitudinal partition, the transverse partitions, the horizontal partitions and the intermediate ribs are welded with an outer board respectively. The collision-resistant prow structure takes the advantages of a conventional linear forerake prow of the public service vessel and adopts the forerake snout prow, the reinforcing structure of the prow is optimized by a finite element method, collision resistance of the prow of the public service vessel is improved and powerful guarantee is provided for effectively safeguarding marine rights and interests.

The invention provides a circulating conveying structure. The circulating conveying structure comprises a chain wheel, a chain, a plurality of carrying components and a supporting component. The carrying components are arranged on a chain link of the chain. A guiding support part, of the supporting component, under the chain plays the role of guiding support for the loading components, so as to avoid the falling of the middle part when the chain is too long or too heavy. A driver does not need to overcome the self-weight of the chain, and can fully use the driving force to drive the chain to rotate and transport, and the chain operation is stable. The chain is provided with multi-stage supporting components; side guarding plates are arranged on both sides of the chain and are detachably connected together through the supporting components; at the same time, according to the characteristics of the chain itself, the chain links can be extended or shortened by docking so that the circulating conveying structure can realize the overall extension or shortening according to the distance of the transport, and the design section by section is convenient for maintenance.

The invention discloses an anti-multipacting nickel-based composite coating and a coating method thereof. The weight fraction of an Ni element in the nickel-based composite coating is increased towards one side far away from a matrix along one side near the matrix in a gradient manner; the coating method of the nickel-based composite coating material mainly comprises the following steps: coating a first sub-coating on the matrix by adopting a laser cladding method; polishing the top surface after cladding, cladding a second sub-coating, and cladding a third sub-coating and a fourth sub-coating according to the method, wherein the weight content of the Ni elements from the first sub-coating to the fourth sub-coating is gradually increased to 44.45% from 10% in the gradient manner; the size of a laser spot is 10mm*1mm in a cladding process; the scanning speed is 4.5-5.5 mm/s; the laser power is 3.5-4.5 KW. By cladding the coating with Ni gradient on the matrix, the collision resistance capability can be improved. Thus, the damage to a work-piece is greatly reduced; the production cost is also reduced.

The invention relates to a reinforcing structure penetrating a front wall board and a front floor. The reinforcing structure comprises a right edge part and a left edge part. The left edge part comprises a front wall board left supporting component, a front floor left front reinforcing piece and an engine compartment left edge beam front section adjacent to the front wall board left supporting component and further comprises the front wall board, the front floor, a front wall board left reinforcing cross beam, an engine compartment left edge beam rear section, a left edge beam rear section outer lining board and a front-row seat installation front cross beam, all of which are connected with the front wall board left supporting component or/and the front floor left front reinforcing piece. The front wall board left supporting component is a box with a strip-shaped opening, and the upper end of the front wall board left supporting component is adjacent to the fork position of the engine compartment left edge beam front section. The opening edge of the front wall board left supporting component is welded to the front wall board, further welded to the left edge beam rear section outer lining board arranged on the lower face of the front floor and the engine compartment left edge beam rear section arranged on the lower face of the front floor in an overlapped manner and further welded to the front wall board left reinforcing cross beam. By the adoption of the reinforcing structure, the problems that the front wall board deforms and the invading amount is too large in the direct impact and bias impact processes can be solved, and the safety of a driver is facilitated.

The invention provides a dip-coating technology for a transverse stabilizer rod, and aims at solving the problem of environment pollution caused by the prior art. A first technical scheme is as follows: the dip-coating technology for the transverse stabilizer rod is characterized in that a treatment method of the transverse stabilizer rod sequentially comprises the following steps of: carrying out shot blasting, cleaning, carrying out epoxy water based paint dip-coating, leveling and carrying out surface drying, baking, and cooling into be up to room temperature. The epoxy water property has the advantages of being environment-friendly, free from environment pollution, non-toxic, and free from burning, and has an integrated bottom surface; and paint is high in use ratio, and simple and feasible to construct. The dip-coating technology is free from injury to human bodies of constructors, and convenient to construct, the yield can be easily improved, the time spent on a salt fog test of the dip-coating technology is longer than that spent on the existing coating level, the hardness of the paint is higher than that of the existing paint by two stages, and the impact resistance can be enhanced.

The invention relates to an electronic academic certificate management system based on an alliance chain, and belongs to the technical field of block chains. According to the specific implementation scheme, a brand-new electronic academic license management system is provided, colleges and education departments are divided according to regional and administrative levels on the basis of an electronic academic license and block chain technology, and a college chain and a department chain are established respectively. Based on a relay cross-chain technology, data sharing and chaining among different block chains are realized, and a multi-channel, multi-organization and multi-level trust alliance chain architecture is formed. According to the architecture, on the premise of ensuring the privacy security of the academic information, the academic management and cross-department sharing efficiency is improved, and a reliable solution is provided for acquisition and sharing of the academic information.

The invention provides a user password encryption method based on an improved MD5 encryption algorithm, and relates to the technical field of information security. The method comprises the following steps: firstly, encrypting a password input by a user during registration through an MD5 algorithm to obtain the initial encrypted data, generating a random number through an elliptic curve, sending the random number to a pseudo-random number generator, generating a random character string by the elliptic curve and the pseudo-random number generator, performing bitwise exclusive OR on the random character string and the encrypted data generated by an MD5 algorithm to generate new encrypted data as a message abstract, and storing the new encrypted data in a database. And when the user logs in again, the input password is encrypted, and the encrypted ciphertext is compared with the ciphertext stored in the database for verification. According to the method, based on the improved MD5 encryption algorithm, the random character string is added after the original MD5 algorithm is operated to perform exclusive OR operation, so that the randomness and the collision resistance of the algorithm are improved, the security of the algorithm is improved, and exhaustion attack, birthday attack and differential attack can be effectively resisted.

The invention discloses a push-pull type door and window sash positioner, and relates to the technical field of push-pull type door and window safety protection design. According to the technical scheme, the push-pull type door window sash positioner comprises a rail (1) and a positioning body (2) arranged on the rail, and the push-pull type door and window sash positioner is characterized in thatone end of the rail (1) is provided with an anti-tilting mechanism connected with a door and window sash frame (5). Compared with the prior art, the invention provides the push-pull type door and window sash positioner which is novel and the size of an opening clearance of the door and window sash can be effectively controlled, the use process is safe and reliable, a door and window frame is freeof deformation, the door and window sash is free of deformation, the service life can be improved, and the device has outstanding substantive features and is obtained remarkable progress.

The invention discloses a thyristor packaging method. A thyristor comprises a wafer. A number of chips are arranged on the wafer, and external metal disks and lead frames are arranged on the chips. Anumber of fixing points used for fixing the chips and soldering points corresponding to the external metal disks are arranged on the lead frames. The method comprises the steps that the wafer is cut,and the wafer is divided into a number of independent chips; when the chips are pasted, a number of chips are fixed on different fixing points of the lead frames through conductive glue respectively;the conductive glue is heated and cured; at the step of wire bonding, the external metal disks on the chips are connected with the corresponding soldering points on the lead frames through wires; andat the step of packaging molding, the chips and a part of the lead frames are surrounded by a packaging material through injection molding to form a package casing. According to the method, gaps caused by loose combination of the chips, the lead frames and the package casing can be avoided at the step of packaging molding.

The invention relates to a composite type pony ladle and a production method thereof. The composite type pony ladle comprises a ladle body with an opening in the top. The ladle body sequentially comprises an insulation plate, high-temperature resistant fiber cotton paper and an outer shell steel plate from inside to outside. According to the composite type pony ladle, the defects that a full-ceramic pony ladle in the prior art is insufficient in tenacity and prone to being broken under the suddenly-cold and suddenly-hot conditions are overcome; and as the structure that the outer shell steel plate is combined with the insulation plate is adopted, the impacting resistance can be improved, the breaking possibility can be reduced, and safety can be greatly improved.

The invention discloses a new energy electric vehicle rear floor framework assembly which is characterized by comprising a middle rear floor connecting plate, a rear floor framework left longitudinal beam assembly and a rear floor framework right longitudinal beam assembly which are fixedly connected to the two ends of the middle rear floor connecting plate and are symmetrically arranged relative to the central axis of a vehicle, and a rear floor front cross beam and a middle longitudinal beam assembly which are connected between the rear floor framework left longitudinal beam assembly and the rear floor framework right longitudinal beam assembly; according to the new energy electric vehicle rear floor framework assembly , the strength of the rear floor framework is enhanced, the collision performance of the tail of the vehicle is improved, and damage to the battery in the trunk at the tail is reduced.

The invention discloses a mounting structure of a front auxiliary frame of a new energy vehicle. The mounting structure comprises frame longitudinal beams; a front auxiliary frame cross beam, wherein the two ends of the front auxiliary frame cross beam are mounted on the frame longitudinal beams; the front auxiliary frame cross beam comprises a first front auxiliary frame cross beam and a second front auxiliary frame cross beam; lower swing arm front supports which are installed at the two ends of the first front auxiliary frame cross beam; steering gear fixing supports which are installed at the two ends of the first front auxiliary frame cross beam; lower swing arm rear supports which are mounted at the two ends of the second front auxiliary frame cross beam; and transverse stabilizer bar fixing supports which are connected with the end parts of the first front auxiliary frame cross beam and the second front auxiliary frame cross beam, so that the collision resistance of the frame can be improved, and collision energy can be effectively absorbed and relieved during collision.

The invention relates to a high-strength car-stop door. The door includes an insertion block, an insertion pit, a left door post, a right door post, an upper rail, a lower rail, a stop bar and an upper rail rotating device. The stop bar is installed between the upper rail and the lower rail. One end of that upper rail is connected with a rotating device of the upper rail installed in one of the left and right door post. A low edge of that lower rail is weld and connected with a plug block. At a position correspond to that insertion block on the floor, insertion holes are arranged, and the number of insertion blocks is more than two. When the stop door is lowered, a plug block is insertedinto the pit. The upper rail, the lower rail, the stoppers and the inserts are all made of high impact resistant steel. The overall impact resistance of the barricade door is greatly improved, and the damage of the car-stop door can be reduced or avoided when an individual vehicle passes through a barrier, the repair time of the barricade door is greatly reduced, and the car-stop door can be reused quickly.

The invention discloses a durable art painting display device which comprises a bearing seat I (10) and a bearing seat II (11), wherein a bearing rod (7) is connected between the bearing seat I (10) and the bearing seat II (11); the left side part and right side part of the bearing rod (7) are both fixedly connected with the bearing seat I (10) and the bearing seat II (11) by a fastening sleeve (9); the left side part and right side part of the bearing rod (7) are both provided with a fastening spiral tooth part (8) matched with the fastening sleeve (9); multiple art painting fixing plates (1) are uniformly loaded on the bearing rod (7); an insertion-in slot (12) is formed on the left side of the art painting fixing plate (1); an insertion-out bump (13) matched with the insertion-in slot (12) is arranged on the right side of the art painting fixing plate (1); and a clamping block (2) is arranged on the front side of the art painting fixing plate (1).

The invention provides a piezoelectric ceramic jacquard comb. The piezoelectric ceramic jacquard comb comprises a main body and jacquard needles, wherein the main body comprises a base and a comb sheet head; the comb sheet head is provided with a plurality of comb sheets; a groove is formed in the base; a bulge is arranged on the corresponding comb sheet head; a weight reducing groove is further arranged at the lower end of the comb sheet head; and the comb sheet head is made of an alloy material. The piezoelectric ceramic jacquard comb provided by the invention adopts a structure that the jacquard comb main body is divided into the base and the comb sheet head, which are arranged by sections, and the comb sheet head is made of the alloy material with higher strength, so that the anti-collision and anti-deformation capabilities can be obviously improved and a limiting function of the jacquard needles is improved; and a phenomenon that the jacquard needles are excessively vibrated and are interfered with other knitting needles and then are broken is avoided; and the structure can be used for manufacturing NO.E36 or No.E40 jacquard combs with higher density.