31results about How to "Improve bending deformation ability" patented technology

The application relates to a supporting structure and a display device. The supporting structure is arranged at one side of a flexible display panel, the flexible display panel comprises a bendable area, a bending axis corresponding to the bendable area extends on a first direction, wherein the supporting structure comprises a hollow-out area with a positive projection capable of completely covering the bendable area on the display panel, the hollow-out area comprises a first part formed with multiple first hollow-out holes, second parts located at two opposite sides of the first part on the first direction, wherein multiple second hollow-out holes are formed on the second parts; a specific value of the total area of multiple second hollow-out holes and the total area of the second parts is different from that of the total area of multiple first hollow-out holes and the first part, thereby guaranteeing the structure stability of the supporting structure and enhancing the shock resistance and bending resistance of the flexible display panel.

The invention relates to a shock insulation structure of a reinforced concrete beam column node and a construction method thereof. The shock insulation structure comprises a beam column node formed by an integrally poured reinforced concrete bearing column and a supporting beam. The supporting beam is fixedly connected with a reinforced concrete floor, and the joint of the floor and the bearing column is provided with a shock insulation material capable of preventing the floor and the bearing column from contacting each other. The shock insulation structure is simple in structure and good in damping effect.

Provided is high fracture toughness and elasticity modified asphalt. The needle penetration of the high fracture toughness and elasticity modified asphalt is larger than 301 / 10 mm, the ductility is larger than 40 cm under the temperature of 5 DEG C, and the softening point is larger than 90 DEG C. The high fracture toughness and elasticity modified asphalt comprises, by mass, 70%-85% of matrix asphalt, 5%-20% of thermoplastic elastomer, 2%-5% of reinforcing agent, 1%-5% of compatilizer, 5%-20% of a softening agent, 0.01%-0.1% of a dispersing agent, 0.2%-0.5% of a cross-linking agent and 0.5%-2% of viscosity reducer. According to the modified asphalt, the mixing amount of a modifying agent is high, the stability is good, the high and low temperature performances are good, using for construction is convenient, curl pavements and other functional pavements can be prepared, and the high fracture toughness and elasticity modified asphalt is used for paving of roads and bridge faces.

The invention relates to three-dimensional oriented fibre reinforced cement base composite material which belongs to the field of concrete of building material. The composite material comprises gelled material, fine aggregate, water, three-dimensional oriented fibre and superplasticizer, wherein, the proportion by weight of the gelled material, the fine aggregate, the water and the superplasticizer is 1:(1 to 2.5):(0.13 to 0.35):(0.01 to 0.03). The gelled material component comprises cement and mineral additive, and the proportion by weight of the cement and the mineral additive is (0.4 to 0.9):(0.1 to 0.6), or the gelled material component comprises the cement , the mineral addition and expansion agent, the proportion by weight of the three is (0.35 to 0.85):(0.1 to 0.5):(0.05 to 0.15), the mineral additive is one of fly ash, slag, siliceous dust and metakaolin, the volume of the three-dimensional oriented fibre is 5 percent to 35 percent of the whole volume after all components are mixed, and the three-dimensional oriented fibre can choose a three-dimensional steel fibre net rack which is made of shortly-cut steel fibre and steel wires and a three-dimensional assorted fibre net rack which is made of steel wires and high performance organic base fibre. The invention ensures that the fibre is directionally arrayed at the high performance oriented fibre reinforced cement base composite material. Through utilizing the fly ash, the slag, the siliceous dust and the metakaolin as raw materials, the invention which can protect the environment and reduce the cost has the advantages of high strength, good toughness and high durability.

The invention discloses a frequency-adjustable stretchable liquid metal antenna which comprises a stretchable base plate, wherein a curve-shaped liquid metal micro-flow way is machined on the stretchable base plate, and the liquid metal micro-flow way is internally filled with liquid metal or liquid metal alloy; when the stretchable base plate is transversely stretched, the liquid metal or the liquid metal alloy in the curve-shaped micro-flow way is lengthways and transversely deformed, and the length change of the stretched liquid metal antenna is controlled by presetting the proportional relation between the lengthways deformation and the transverse deformation, so that the work efficiency of the transversely-stretched liquid metal antenna can be adjusted. The invention further provides a manufacture method of the frequency-adjustable stretchable liquid metal antenna. According to the frequency-adjustable stretchable liquid metal antenna and the manufacture method of the liquid metal antenna, the length change of the stretched liquid metal antenna is controlled by presetting the proportional relation between the lengthways deformation and the transverse deformation, so that the work efficiency of the transversely-stretched liquid metal antenna can be adjusted.

The invention discloses an RFID (radio frequency identification) electronic tag radio frequency antenna based on a planar fractal spring structure. The electronic tag radio frequency antenna is a closed coil formed by multiple coil sections, of a fractal spring structure, which are in sequential end-to-end connection. The invention further provides an RFID electronic tag based on the radio frequency antenna, the radio frequency antenna is attached to a substrate, the telescoping direction of a spring of each coil section is consistent with the stretching direction of the substrate at position of the coil section. The invention further provides a preparation method of the RFID electronic tag. Radio frequency antennas which are of a multi-level spring fractal structure and consistent with stretching direction of the substrate are disposed transversely and longitudinally on the substrate, large deformation redundancy is achieved, axial and transverse stretching and compression can be borne, large bending deformation capability is achieved, and accordingly the RFID electronic tag can be attached to object surfaces which may generate complex elastic deformation, such as human skin and clothes, and application range of RFID electronic tag is expanded.

The invention provides a multi-modal motion bionic inchworm crawling and climbing soft robot, which comprises feet and three deformable bodies sequentially connected between the two feet, and each deformable body is provided with an extensible face and a non-extensible face. The extensible faces are located on the opposite sides of the non-extensible faces so that the deformable bodies can deform between a linear structure and a C-shaped structure, and when the three deformable bodies are all in a linear structure, the direction of the non-extensible face of the middle deformable body is the same as the direction of the ground grabbing face of the foot, and the direction of the non-extensible face of the middle deformable body is opposite to the direction of the non-extensible faces of the deformable bodies located on the two sides, so that the deformable bodies can be matched with the feet in a flexible deformation mode to complete the horizontal crawling action and / or the climbing action. The multi-modal motion bionic inchworm crawling and climbing soft robot is simple in structure, light in mass and good in compliance, has the ability of multi-modal motion, adapts to motion in different environments and active conversion among the motions, and expands the motion adaptability of the soft robot in a complex environment.

The invention discloses a method for improving the bending performance of T5-state 6N01 aluminum alloy through local laser treatment. The method comprises the following steps that the plastic bending deformation portion of the material is found, and the laser scanning portion is determined; then, the laser scanning portion is scanned with a high-energy laser, wherein the laser power is 200-500 W, the scanning speed is 10-20 mm / s, and the defocusing amount is 10-20 mm; plastic bending is conducted on the processed material; and finally, precipitation heat treatment is conducted, wherein the temperature is 170-190 DEG C, and the temperature is kept for 2-4 hours. After the T5-state 6N01 aluminum alloy is treated through the method, the overall heat treatment state of the T5-state 6N01 aluminum alloy is not changed, the bending performance of the T5-state 6N01 aluminum alloy is improved, and the overall strength of the material is not lowered. Besides, the method has the remarkable advantages of being high in production efficiency, short in machining time, low in manufacturing cost and the like.

The invention discloses a steel plate and polyvinyl alcohol cement based composite antiknock board which comprises two polyvinyl alcohol composite fillers, a foamed aluminum filler, two supporting plates, U-shaped-channel steel plates, high-strength bolts and steel cushion blocks. The foamed aluminum filler is arranged between the two polyvinyl alcohol composite fillers; the two supporting plates are inserted in channels of the U-shaped-channel steel plates to form a cavity in a surrounding way; the polyvinyl alcohol composite fillers, with the foamed aluminum filler between them, are arranged in the cavity; the supporting plates and the U-shaped channel steel plates are provided with bolt holes in symmetrical arrangement, and are connected to the polyvinyl alcohol composite fillers through the high-strength bolts; the steel cushion blocks are arranged between the U-shaped-channel steel plates and the high-strength bolts respectively. The steel plate and polyvinyl alcohol cement based composite antiknock board has the advantages of simple structure, light weight, high strength and high capacity of dissipating and absorbing explosion energy. To be specific, as the steel plates are used for making the cavity of the antiknock board, the antiknock board is simple in structure, is light, is not easy to fragment so as to effectively avoid secondary disasters caused by fragments, and accordingly is effectively applicable to buildings having requirements on explosion protection.

The invention relates to the field of traffic roads and in particular relates to a manufacturing method of a PVA (Polyvinyl Acetate) modified semi-flexible asphalt pavement material. The manufacturing method comprises: pouring a PVA modified cement-based pouring material into a matrix asphalt mixture, wherein the volume ratio of the PVA modified cement-based pouring material and the matrix asphalt mixture is 20 percent; after curing for 28 days, obtaining the PVA modified semi-flexible asphalt pavement material. According to the PVA modified cement-based pouring material, common Portland cement accounts for 57.500 percent to 64.516 percent, water accounts for 34.375 percent to 35.484 percent, a swelling agent accounts for 0 to 5.161 percent and a PVA modifier accounts for 0 to 3.125 percent. By adopting the manufacturing method of the PVA modified semi-flexible asphalt pavement material, the problem of a traditional semi-flexible asphalt pavement material that a low-temperature performance is not good is solved.

The invention discloses an optical fiber sensing device based on composite material. The device comprises a column body and a groove formed in the column body; deformed teeth which are staggered and corresponding to one other are respectively formed on opposite two surfaces of the groove; and signal fiber is clamped between the deformed teeth arranged two opposite surfaces of the groove; the signal fiber is connected with a test unit; the column body is made of at least 2-layered composite materials, and different materials are distributed along the radial direction of the column body layer by layer. The optical fiber sensing device provided by the invention greatly reduces the weight of the column body on the basis of ensuring the rigidity, and has larger deformation capability, so that an optical fiber stress monitoring device provided by the invention has the characteristics of long service life, high precision and wide usage.

The invention relates to an unbonded prestressing geogrid with fracture resistance. The unbonded prestressing geogrid with fracture resistance comprises main force-bearing portions and auxiliary force-bearing portions. Each main force-bearing portion comprises an internal reinforcement material and an external reinforcement material, wherein a steel strand with a round section is used as the internal reinforcement material, a round tube made of a polypropylene or polyvinyl chloride composite material is used as the external reinforcement material, and the space between the internal reinforcement material and the external reinforcement material is filled with graphite used as a lubricant. The main fore-bearing portions are connected through the auxiliary force-bearing portions in a geogrid mode, so that deformation of a soil mass between bar strips is coordinated. According to the unbonded prestressing geogrid with fracture resistance, under the condition that the tension capacity is not changed, the bending deformation capacity of the sections of the reinforcement materials is improved, stress is more reasonable, performance is more reliable, and particularly certain fracture resistance is achieved.

The invention discloses a frequency-adjustable stretchable liquid metal antenna which comprises a stretchable base plate, wherein a curve-shaped liquid metal micro-flow way is machined on the stretchable base plate, and the liquid metal micro-flow way is internally filled with liquid metal or liquid metal alloy; when the stretchable base plate is transversely stretched, the liquid metal or the liquid metal alloy in the curve-shaped micro-flow way is lengthways and transversely deformed, and the length change of the stretched liquid metal antenna is controlled by presetting the proportional relation between the lengthways deformation and the transverse deformation, so that the work efficiency of the transversely-stretched liquid metal antenna can be adjusted. The invention further provides a manufacture method of the frequency-adjustable stretchable liquid metal antenna. According to the frequency-adjustable stretchable liquid metal antenna and the manufacture method of the liquid metal antenna, the length change of the stretched liquid metal antenna is controlled by presetting the proportional relation between the lengthways deformation and the transverse deformation, so that the work efficiency of the transversely-stretched liquid metal antenna can be adjusted.

The invention discloses a novel high-temperature and high-pressure bellow compensator which comprises a left connection pipe 1, a bellow left connection pipe 2, a bellow 3, a bellow right connection pipe 4, an inner casing pipe 5, sliding bearings 6 with the self-lubricating characteristic and a middle ring 7. The novel high-temperature and high-pressure bellow compensator is characterized in that the inner surface of the bellow left connection pipe 2, an annular inner convex ring, the outer surface of the inner casing pipe 5 and an annular outer convex ring form a sliding bearing bush; the two sliding bearings 6 with the self-lubricating characteristic are clamped on two sides of the middle ring 7, inserted into the bellow left connection pipe 2 and sleeved on the inner casing pipe 5; and the bellow left connection pipe 2, the inner casing pipe 5, the two sliding bearings 6 with the self-lubricating characteristic and the middle ring 7 form a sliding bearing supporting friction pair structure. A bellow deforms slightly in the radial direction under the lateral torque action, thus the capacity of resisting radial bending deflection of the compensator is enhanced.

The invention relates to a sealing part structure for a high sealing performance oil pipe, which comprises a pipe body and a coupling. The end part of the pipe body is provided with a pipe body part screw thread and a pipe body sealing part; the coupling is provided with a coupling part screw thread matched with the pipe body part screw thread and a coupling sealing part matched with the pipe body sealing part; the pipe body sealing part is positioned ahead the screw-in direction of the pipe body part screw thread; the coupling sealing part is positioned behind the screw-in direction of the coupling part screw thread; the axial section of the coupling sealing part is of a convex smooth curve structure; and the axial section of the pipe body part screw thread is of a wave line structure matched with the convex smooth curve. The sealing part structure for the high sealing performance oil pipe, which is provided by the invention, are provided with the matched curve structures; after interference fit, a plurality of sealing ring belts can be formed; thread gluing is reduced and bending deformation of a pipe body sealing section is reduced; and capacity of resisting to bending deformation of the connection screw threads is improved.

A connecting structure includes: a cylindrical part formed in a rotation operation shaft; a shaft part formed in an operation knob; and division grooves respectively extending in the axial direction of the cylindrical part, wherein: the cylindrical part and a shaft part are tight fit connected together; in two or more portions of the cylindrical part at equal angle intervals in the peripheral direction thereof, there are formed the division grooves, thereby being able to enhance the flexural deformation property of the cylindrical part as well as to secure mutual concentricity between the cylindrical part and the shaft part formed of resin; and at least one of the division grooves is used as a key groove with which is fitted a key portion formed in the outer peripheral portion of the shaft part, thereby preventing the cylindrical and shaft parts from rotating with respect to each other.

The invention discloses a driver eye movement behavior real-time monitoring device, which comprises a stretchable elastic substrate, and a sensing unit such as a temperature sensing unit, a sweating sensing unit and an electrooculogram sensing unit is integrated on the elastic substrate. The stretchable eye movement behavior monitoring device is attached to the surfaces of the parts such as the corners of the eyes or the forehead to sense and record physiological signals of a driver. The invention further provides a preparation method of the driver eye movement behavior monitoring device, andan electronic skin system compatible with the flexible skin is obtained. The eye movement behavior monitoring device is attached to the eye corners, normal driving of a driver is not affected, physiological signals of the driver are obtained in real time, and the portability of the eye movement behavior monitoring device is greatly improved.

The invention discloses an adjustable oral cavity orthodontics mouth prop, and particularly relates to the field of a mouth prop. The adjustable oral cavity orthodontics mouth prop comprises a supportring, wherein the support ring comprises two groups of opposite side connecting rings, two groups of opposite bottom connecting rings and a top connecting ring, wherein the two groups of the bottom connecting rings are fixedly arranged at one ends away from the top connecting ring, for the two groups of the side connecting rings, the top connecting ring is fixedly arranged at the top between thetwo groups of the side connecting rings, openings are formed in opposite sides of the two groups of the side connecting rings, an elastic sheet is fixedly arranged in each opening, and multiple groupsof the elastic sheets are arranged in the directions of the openings; and a penetrating hole is arranged in each elastic sheet, a flexible strip penetrates through the inner part of each penetratinghole, and two ends of each elastic strip are respectively and fixedly arranged at two ends of the inner part of each opening. The side connecting rings, the bottom connecting rings and an adjustment seat are arranged, so that the expanding degree can be adjusted according to the size of mouths of different patients, the bending deformation effect is good, the bending part is durable and not liableto crack, and the operation is simple and convenient.

The invention discloses a production method of high-welding-performance expandable polystyrene (EPS). The production method includes the steps of firstly, adding styrene, DCP, flame retardant, white oil and sodium dodecyl benzene sulfonate in a reaction kettle; secondly, sequentially adding purified water, trisodium phosphate, active calcium phosphate, emulsifier SDBS and anhydrous sodium sulfate; thirdly, adding a low-temperature initiator, a high-temperature initiator, other initiators and nucleating agent polyethylene wax; fourthly, feeding steam into the jacket of the reaction kettle to heat the materials in the reaction kettle from room temperature to 88-91 DEG C, and performing constant-temperature granulation; fifthly, adding calcium phosphate and ash calcium powder; sixthly, adding a foaming agent, and feeding steam into the jacket of the reaction kettle to perform slow temperature rising; seventhly, heating to 123-127 DEG C, and performing constant-temperature reaction for 4.5-5.5 hours; eighthly, cooling to 45-50 DEG C, and discharging. The production method has the advantages that boards or module products can be produced by using the flame-retardant EPS particles produced by the method as the raw material through pre-expansion and forming, good welding performance among the EPS resin particles is achieved, and product fracture and bending load performance and product bending deformation performance can be increased evidently.

The invention discloses an electric wire or cable threading bended protective pipe device. The electric wire or cable threading bended protective pipe device comprises a cable clamping block, the rear end of the cable clamping block is provided with an axial hole, the cable clamping block is connected with the outer protective layer of an electric wire or cable, and the front end of the cable clamping block is connected with a head guide structure. The electric wire or cable threading bended protective pipe device is accurate in threading guidance, improves the operation accuracy and sensitivity as well as the wire or cable threading efficiency and accuracy for users and reduces the working intensity.

The invention discloses an airport cast-in-situ combined pavement slab and a preparation method. The pavement slab is composed of an upper layer, a lower layer and a middle layer, wherein the upper layer and the lower layer are made of engineering cement-based composite materials; the method has the advantages that the phenomenon of tensile cracking of the pavement slab can be reduced by utilizing the ultrahigh tensile toughness and micro-crack control capability of the ECC material, even if the pavement slab is cracked, the crack width is less than 100 microns, the material can work with cracks, and meanwhile, the cracks can be basically healed after three to four dry-wet cycles in an open-air environment. The ECC material has high bending deformation capacity, so that arching fracture damage of the airport pavement slab caused by temperature gradient can be avoided. In addition, the upper layer of the airport pavement slab is made of ECC materials, FOD can be reduced to a great extent, noise is lower when an airplane slides, and the environment for passengers is more comfortable. According to the airport combined pavement slab structural form adopted by the invention, the mechanical property of the ECC material can be fully utilized, and the manufacturing cost is greatly reduced.