130results about How to "Strong anti-destructive" patented technology

The invention relates to a hydrophobic granule and a preparation method thereof, and a waterproof breathable structure and a forming method thereof. The hydrophobic granule comprises aggregate and a hydrophobic resin film coated on the aggregate, wherein the aggregate size is 6-300 meshes, and the hydrophobic resin film is made of one or a plurality of hydrophobic epoxy resin, bakelite, polyurethane resin and silicone resin, and coated on the aggregate. The preparation method of the hydrophobic granule comprises the following steps: heating the aggregate to 50-400 DEG C; adding the hydrophobic resin, evenly stirring so that a film is coated on the aggregate surface; and cooling, crushing and screening to obtain the hydrophobic granules. The hydrophobic granule can be widely used as a waterproof breathable layer in desert planting, lake bottom seepage-proofing, river course seepage-proofing, landscape water system bottom seepage-proofing, and has favorable waterproof and breathable properties.

The invention discloses a two-dimensional wind speed and direction test method through visual identification based on reflecting silk thread attitude angle, the innovation of the method is that related knowledge of machine vision and hydromechanics are combined, a reflecting silk thread which is a solid control model is used for transmitting visual information, according to visual information acquired by a CCD area-array camera, non- contact measurement is performed on the position and the attitude of the silk thread, a relation between spatial position variation and fluid velocity of the solid control model is established through mapping of two-dimensional image and three-dimensional Cartesian space information and a visual measurement system, so that the wind speed and direction can be indirectly measured through visual identification.

The invention relates to a blocking type mechanical anti-theft lock which comprises a lock core and a lock hole and is characterized in that the lock core is formed by laminating a plurality of steel plates; the steel plates are provided with elastic body holes; the elastic body holes are ranked in parallel, vertically through and perpendicular to slit-type lock holes at the horizontal direction; and a lock hole (5) is formed on the upper surface of the downmost steel plate, and a hole sealing plate (7) arranged on the lower portion of the lock hole and an unlocking sliding plate (10) arranged on the upper portion of the lock hole are movable pieces. During unlocking, the movable hole sealing plate (7) transversally moves for an elastic body hole diameter distance to seal the middle of the elastic body hole and block contact and connection between holes in vertical mode. By means of the blocking type mechanical anti-theft lock, keys are only inserted in or pulled out, no rotation is required, unlocking can be completed by rotating a handle for 90 degrees, and keys are not required during locking. The blocking type mechanical anti-theft lock is in pure mechanical structure and is low in manufacture cost, simple to operate, and strong in damage resistant capabilities including drilling-resistant and the like.

The invention provides a repairable electric heating ice-melting wind power generator rotor blade and a making method thereof. According to the repairable electric heating blade, a repairable carbon-fiber ice-melting electric heating chip is installed in the blade, and therefore the electric heating ice-melting function of the blade is achieved; meanwhile, the carbon-fiber ice-melting electric heating chip is made in a carbon fiber bundle warp and weft intersecting manner, the density of an electric current passing through the electric heating chip is adjusted by adjusting the density of carbon fiber bundles, and therefore heating temperature of the electric heating chip is adjusted. Meanwhile, by means of arrangement of a bidirectional latticed structure, warp carbon fibers are mutually connected through weft carbon fiber bundles, the warp carbon fiber bundles and the weft carbon fiber bundles form a whole in electrical performance, destruction resistance is high, and when a certain carbon fiber bundle breaks down, the heating property of the electric heating ice-melting chip is not affected; in addition, when multiple warp carbon fiber bundles are broken, the warp carbon fibers of the whole electric heating chip can be connected through the weft carbon fiber bundles, the disconnection range can be effectively narrowed, the non-heating area is decreased, and the ice-melting effect of the electric heating chip is guaranteed.

The invention discloses disc type production line equipment for the element marking of a metal workpiece. The equipment comprises a mechanical turntable system, a marking system, a replacement system, an identification system and a central control system, wherein the mechanism turntable system comprises a drive device, a plurality of rotating arms and a plurality of trays, the drive device drives a mechanical arm to rotate at a certain speed, and meanwhile, the mechanism arm drives the trays and processing workpieces on the trays to rotate at the same speed; the marking system comprises a marking device and a signal transmission device and is used for supplying pattern information to each workpiece, and the signal transmission device is used for transmitting the information data to the marking device; the replacement system is used for supplying element marking information to each workpiece, comprises a plurality of replacement devices, a plurality of replacement arms which are connected with the replacement devices and are used for controlling the contact between replacement heads and the workpieces and a plurality of replacement heads which are arranged on the replacement arms and used for contacting the workpieces and performing the replacement work; the identification system comprises an identification device and a data transmission device and is used for collecting the data information of the marked workpieces and uploading the data information to a data bank; and the central control system is used for controlling the operation of the whole production line.

The invention provides a cellular solid fluctuating micromechanical gyroscope and a preparation method thereof. The gyroscope comprises a base, a cellular harmonic oscillator, a support body, a drive electrode, a detection electrode, a monitoring electrode and a balance electrode, wherein the cellular harmonic oscillator is arranged on the base; the support body is located on the base, is connected with the harmonic oscillator and plays a supporting role; the drive electrode, the detection electrode, the monitoring electrode and the balance electrode are located around the cellular harmonic oscillator; the inside of the cellular harmonic oscillator is of a honeycomb structure; the cross section of a structure unit of the honeycomb is a regular hexagon; every two adjacent units share the same wall; and the strength and the rigidity are adjusted by adjusting the aperture of a honeycomb core and the height of a core column. The cellular solid fluctuating micromechanical gyroscope has the advantages of simple structure, small size, impact resistance, light weight, high Q value and the like, and is relatively low in cost and suitable for preparation in a large quantity.

The invention discloses a safety protection early warning system for a buried natural gas pipeline. The system comprises a central processing unit, an optical fiber sensing module, an environmental data acquisition module, a pipeline image processing module, a memory, a warning module, a power supply module, a wireless communication module and a monitoring terminal. According to the safety protection early warning system, the running state of the pipeline is detected in real time through the optical fiber sensing module; the environmental data around the pipeline is acquired through the environmental data acquisition module; when the leakage and sudden shock of natural gas occur, the optical fiber sensing module can be used for detecting the abnormal information of the pipeline and the position where the abnormal position of the pipeline is located; the abnormal point of the pipeline and the environmental data are marked on a pipeline image through the pipeline image processing module;meanwhile, the system is used for sending warning information and marked pipeline image information to the monitoring terminal, and thus, the on-line monitoring and safety early warning function of the pipeline are realized.

The invention discloses a hinge movable dam, which consists of a plurality of movable dam units, wherein the lower end of the water retaining dam face (1) of each movable dam unit is connected with a gate bottom tilting fillet (3) through a gate hinge (2). The hinge movable dam is characterized in that a hydraulic oil cylinder (5) is connected to the middle part of the inner side of each water retaining dam face (1); the hydraulic oil cylinders (5) are connected through synchronous motors (21); a support rod (7) is connected to the upper part of the inner side of each water retaining dam face (1); a chain (20) is connected to the lower end of each support rod (7), and is connected to a driving chain wheel (15) and a driven chain wheel (15'); each driving chain wheel (15) is connected with a driving shaft (16); each driven chain wheel (15') is connected with a driven shaft (16'); each driving chain wheel (16) is connected with a hydraulic motor (18). The hinge movable dam is simple and practical in structure, convenient to use, high in damage prevention capability, long in service life, safe and reliable, and has a good floodwater draining effect, water blocking is avoided, and good stress conditions are ensured.

The invention discloses a high-temperature high-pressure steam split-ranging valve control device. The device comprises a valve beam, wherein a plurality of valve discs are connected to the valve beam through valve disc bolts; the valve discs are matched with valve seats; the valve beam is provided with stepped holes through which the valve disc bolts pass; bushings are arranged in the stepped holes; the valve disc bolts pass through the valve beam and the bushings; the upper ends of the valve disc bolts can be limited with the bushings; the lower ends of the valve disc bolts are in fixed threaded connection with the valve discs; the upper ends of the valve disc bolts do not exceed the top surface of the valve beam; and left and right ends of the valve beam have smooth transition structures. Through the technical scheme, the device has a simple structure, high damage resistance and low jitter, and the valve disc bolts are subjected to low and uniform load.

The invention discloses wearable equipment having a massage function. The wearable equipment comprises a wearable module and a massage module installed on the wearable module, wherein the massage module comprises a flexible massage unit, a driving unit; the driving unit comprises an electric driving film, flexible electrodes and a driving circuit; the electric driving film is combined with the massage unit and used for driving the massage unit to shrink and open; the flexible electrodes are coated on two side surfaces of the electric driving film; and the anode and the cathode of the driving circuit are electrically connected with the flexible electrodes at two sides respectively. Simultaneously, the invention further discloses an intelligent bracelet having the massage function. The intelligent bracelet comprises a bracelet body and the massage module, wherein the massage module is installed on the bracelet body. Compared with the traditional mechanical driving manner, the flexible massage action of the wearable equipment and the intelligent bracelet disclosed by the invention imitates hand action of people; therefore, the wearable equipment and the intelligent bracelet are better in comfort degree, smaller in size, lighter in weight and convenient to carry; and simultaneously, the wearable equipment and the intelligent bracelet are lower in noise in the massage process.

The invention discloses an adaptive vibration-reducing and noise-reducing foam sandwich plate and a preparation method thereof. The sandwich plate comprises an upper panel, a lower panel and a foam sandwich arranged in an intermediate layer, wherein the foam sandwich is a metamaterial isotropy ISOMAX foam structure, the structure consists of an anisotropic square wallboard structure and a triangular pyramid wallboard structure; the upper and lower panels are Qtech413 constrained damping panels, and are formed by bonding both upper and lower identical metal sheets through Qtech413 polymer damping glue and bonded. Compared with a traditional metal honeycomb and foam structure, the sandwich plate has strong rigidity and strength even under very light weight conditions, has strong anti-deformation and anti-destroying ability under strong acoustic excitation, and has ultra-light and super-strong performance; in addition, the upper and lower damping plates of the invention use the Qtech413 constrained damping plates, and can still adapt to reduction of vibration and noise in a wide frequency band without increasing structural quality and without affecting original mechanical properties of the structure.

The invention discloses a process method for connecting a metal-extrusion type pipe fitting with high infiltration prevention and relates to a construction method for connecting the metal-extrusion type pipe fitting. The process method for connection comprises the following steps of: preparing a metal-extrusion socket type pipe fitting; arranging a circumferential convex ring at a socket mouth to form a groove; placing an elastic sealing member in the groove; uniformly coating a prepared adhesive sealing glue to the circumferential surface of an inner cylinder body at the socket mouth pipe fitting joint by using a coating device or a brush; inserting a pipe, of which a pipe mouth is cleaned, into the socket mouth pipe fitting of the pipe, wherein the pipe is inserted into the depth of a limitation joint of the socket mouth; and inserting an outer wall of the pipe into a gap of an inner wall of the socket mouth of the pipe fitting, wherein the gap is between 0.1mm and 0.3mm. A jaw mould matched with the joint of the pipe is arranged by a joint clamping tool; the joint of the pipe is placed into the jaw; double or multiple paths of compressed rings are pressed by cylinder bodies on two sides of the convex ring of the sealing member; and the socket mouth of the pipe and a sub-lock of the pipe are fixed integrally. The defects of pure elastic sealing or pure rigid sealing are overcome, so that the pipeline is reliably connected and the anti-damage capability is stronger; and therefore, the process method is a powerful sealing type method for the joint of the pipe with high pressure resistance and high security.

The invention relates to a modified copper-based pantograph sliding material and a preparation method. The material contains raw materials of Cu, Ti2AlC, BN and graphite in a volume ratio of (60-95) to (1-30) to (1-10) to (1-5). The method comprises the following steps of: mixing the four raw materials and putting the mixture in a steel die; firstly carrying out cold pressing to the mixture, putting the mixture in a high-temperature furnace under the protection atmosphere of hydrogen, increasing the temperature to 700-900 DEG C, keeping the temperature for 5-30 min, taking out a sample and carrying out cold pressing; then, secondarily sintering at 800-900 DEG C and keeping the temperature for 30-60 min. The invention has simple process, is convenient to operate, can rapidly prepare the modified copper-based pantograph sliding material by utilizing traditional production equipment, and the material has the advantages of excellent performance and lower cost.

The invention discloses a burglarproof deception-proof code system of automobile, which comprises the following parts: CPU, data input and display equipment, alarming device, wherein the CPU connects each original ECU in the automobile; the legal user with two patterns as 'manager' and 'visitor' is stored in the CPU; the system enters 'normal' working pattern when enrolling the system at 'manager' ID; the user can operate automobile normally and sets 'visitor' user and effective driving time; the system can be enrolled to do normal operation within effective driving time preset by user when the user enrolls the system at 'visitor' ID; otherwise, the system can't be enrolled; if the user information is different from the stored user information in the CPU, the system enters 'burglarproof alarm' working pattern to trigger alarming device without starting automobile. The invention not only has reliable burglarproof ability, but also possesses unique robbery-proof function.

The invention relates to an integral V seam filter self-cleaning sieve tube, which consists of a base tube and a filter, wherein the filter consists of a filtering core and a protecting cover, and the filtering core consists of a central column, a plurality of filtering rings and a fixing ring; all the filtering rings are coaxially nested together, and the central column is embedded in the filtering ring having the smallest inner diameter; the fixing ring is sleeved outside the filtering ring having the largest inner diameter, and the shape of the fixing ring corresponds to the shape of the filtering ring having the largest inner diameter; the central column, the filtering rings and the fixing ring are connected by a plurality of reinforcing ribs, and the reinforcing ribs are radially equispaced outwards by taking the central column as a center; the outer wall surface of the central column and the outer wall surfaces of all the filtering rings are inverted conical surfaces; the inner wall surface of all the filtering rings and the inner wall surface of the fixing ring are straight surfaces; and the protecting cover is covered on the upper part of the fixing ring, and the top surface of the protecting cover is provided with a plurality of louver windows. The integral V seam filter self-cleaning sieve tube has the advantages of strong deformation resistance, stable sizes of filter seams, high precision of baffle sand, high permeability and jam resistance.

The invention relates to a fibrous Ti3C2MXene-based torsion angle sensor and a preparation method of the fibrous Ti3C2MXene-based torsion angle sensor. According to the sensor, a Ti3C2 nanosheet is used as a strain-sensitive material, the strain-sensitive material is assembled on a framework of foam fibers, and a flexible polymer is used as a substrate for providing large deformation, so that thesensor with torsion response characteristics is prepared. The fibrous torsion angle sensor can give torsion angle values corresponding to different rotating speeds by monitoring electric signals undertorsion deformation in real time, and has the characteristics of easiness in preparation, stable performance and recyclability. Due to the fact that the novel two-dimensional nano material Ti3C2 hasgood conductivity and is convenient to synthesize, the novel two-dimensional nano material Ti3C2 can be directly deposited on the surface of the framework of porous fibers in an immersion adsorption self-assembly mode, and the Ti3C2-based flexible porous conductive fiber with torsion angle response is obtained. The structure of the sensor is improved, the performance of the sensor is improved, thesensitivity is good, and the damage resistance is improved.

A double-layer high-speed overhead flyover for cars is suitable for main roads or secondary main roads. The overhead flyover, corresponding to two directions A and B, is composed of a first bridge floor, a second bridge floor, four ramps, four platforms, and pillars. The overhead flyover is specially-designed for cars and is characterized by miniaturization and low weight, is less in occupied materials and is light in weight and low in cost. The overhead flyover can be manufactured and assembled from steel structures through industrial production in factories, so that a new manufacturing industry entity can be formed. The high-speed overhead flyover achieves single-layer and one-way traffic of cars; according to invention, a high-speed crossroad overhead flyover is linked to a crossroad while a high-speed T-junction overhead flyover is linked to a T-junction. The overhead flyover can create a traffic network without traffic lights for whole city, which would be a wonder of city traffic.

The invention provides a preparation method of a toughness-enhanced melamino-formaldehyde polyvinyl alcohol composite foam material, which comprises the following steps: soaking melamino-formaldehydefoam in a polyvinyl alcohol water solution, adsorbing to be saturated, soaking in a crosslinking agent solution, curing and crosslinking to obtain the melamino-formaldehyde polyvinyl alcohol compositefoam material, and drying to obtain the toughness-enhanced melamino-formaldehyde polyvinyl alcohol composite foam material, wherein the alcoholysis degree of the polyvinyl alcohol is 60-99%, the molecular weight of the polyvinyl alcohol is 10000-250000, the viscosity of the polyvinyl alcohol is 2.0-125.0 mPa.s, and the cross-linking agent is selected from one or more of urea, boric acid, citric acid, formic acid, formaldehyde, glyoxal, glutaraldehyde and calcium chloride. The composite foam material with an interpenetrating cross-linked network structure is constructed by utilizing a chemicalcross-linking reaction of hydroxyl (-OH) in PVA molecules and a secondary amine group (-NH-) in the MF foam material under the action of the cross-linking agent through physical adsorption and chemical cross-linking treatment, the toughness of the composite foam material is remarkably improved, and the composite foam material has excellent damage resistance.