36results about How to "Strong link" patented technology

The invention discloses a solar battery backboard modified PET (polyethylene glycol terephthalate) base material and a preparation method thereof, and the modified PET base material comprises the following components by weight: 30-80 parts of n-butyl acetate, 40-80 parts of PET, 40-100 parts of hexabromocyclododecane, 30-150 parts of 3-methyl-2-butene-1-ol, 100-200 parts of methyl ethyl ketone, 40-80 parts of titanium dioxide, 20-50 parts of maleic anhydride grafted polypropylene, 40-120 parts of a stabilizer, 20-120 parts of carbonate and 30-40 parts of phthalic acid ester. The preparation method is as follows: mixing uniformly the n-butyl acetate, the PET, the hexabromocyclododecane, the 3-methyl-2-butene-1-ol, the titanium dioxide and the phthalic acid ester, heating to 800 to 950 DEG C, and slowly adding the remaining components, filling with an inert gas, reacting for 2-3H; drying, squeezing, cooling and casting into a sheet; stretching and forming. The n-butyl acetate significantly increases link force among PET macromolecules, so that the substrate surface energy and tensile strength are improved, and the mechanical property is stronger.

The invention discloses a double-dovetail assembly building anti-shock connection structure. The structure comprises dovetail grooves, a double-dovetail wedge strip, an embedded part a, an embedded part b and anchor ribs. The dovetail grooves are formed in the upper side and the lower side of a building wall connector. the dovetail grooves in the upper side and in the lower side are in axis symmetry in the horizontal direction, the double-dovetail wedge strip is arranged in the dovetail grooves, the embedded part a is arranged on one side of the double-dovetail wedge strip, the embedded part b is arranged on the other side of the double-dovetail wedge strip, the embedded part a is arranged on a wall a, and the embedded part b is arranged on a wall b. The embedded part a and the embedded part b are both connected with two rows of anchor ribs. The structure is high in precision, quick to assemble, firm in connection, good in anti-shock performance, environmentally friendly, capable of saving energy, convenient to install and free to detach and replace, construction time is saved, installation efficiency of the building walls is remarkably improved, construction site environment pollution and noise pollution are effectively prevented, the process is simple, assembly is quick, maintenance is easy, connection is firm, and the structure is not likely to disengage.

The invention belongs to the technical field of electronic tags, and provides a special-type flexible and washable electronic tag for military use. The special-type flexible and washable electronic tag for military use comprises a base material, an antenna arranged on the base material and an electronic tag chip connected with the antenna. The special-type flexible and washable electronic tag for military use is characterized by being provided with a metal wire; the antenna is connected with the electronic tag chip in a conductive mode through the metal wire; the electronic tag chip is covered with an epoxy resin layer. The special-type flexible and washable electronic tag for military use can meet the requirement of the military that an electronic tag can still operate normally and stably after being washed, ironed and impacted at high / low temperature repeatedly, and also meets the requirement for flexibility of electronic tags.

The invention relates to an electromagnetic type verticality controller. Thus, whole verticality of installation of primary support steel arch supports. The controller comprises a main shaft which can be adjusted in a telescoping manner, two electromagnetic suction discs arranged on two ends of the main shaft, a wire connecting the main shaft and the electromagnetic suction discs, a power supply and a control switch. The power supply and the control switch are installed on the main shaft and serially connected with the electromagnetic suction discs. Multiple verticality controllers are properly arranged among steel arch supports, and the main shaft is adjusted to be in the designed length, so whole separation distance and verticality during initial installation of the steel arch supports can be effectively ensured. Via the electromagnetic suction discs, electromagnetic fixing force can be quickly formed, so the verticality controller can be firmly hinged to I-shaped steel ribbed plates of the steel arch supports and it can be achieved that the verticality controller and the steel arch supports can form a whole structure quickly. After the steel arch supports are installed, demagnetization can be quickly carried out and the steel arch supports can be dismantled. By controlling the whole separation distance and verticality during initial installation of the steel arch supports, precision of post initial installation of other parts can be ensured and installation technology and quality control during the construction process are greatly improved.

The invention discloses a multimedia communication system based on routers and terminals. The multimedia communication system comprises a cloud side server and multiple routers and terminals. Each router is provided with a plug-in. The plug-ins of all the routers have mutually different plug-in identifiers which act as router identifiers. Each terminal comprises a login item which acquires a target identifier inputted by a user and accesses the terminal to the router having the same plug-in identifier with the target identifier. All the terminals accessing to the same router perform resource sharing through the plug-in. all the routers communicate with the cloud side server through the plug-ins. Establishment of personal identifiers can be avoided, and the system has a more flexible communication channel so that communication efficiency can be enhanced, communication is performed through the router identifiers directly without influencing personal privacy, and thus the system can be widely applied to enterprise offices and other environments.

The invention discloses a smart gluing lock based on NB-IoT (narrow band internet of things). The smart gluing lock includes a shell assembly, a driving assembly and a circuit board assembly. The driving assembly is built in the shell assembly and is fixedly connected to the shell assembly. The circuit board assembly is electrically connected to the driving assembly, the circuit board assembly isbuilt into the shell assembly, the driving assembly includes a lock tongue, the circuit board assembly includes an NB-IOT communication module and a control module, and the control module is used forcontrolling the operation of the lock tongue. The NB-IOT communication module is used for sending at least one type of received information to the control module. The NB-IOT communication module uploads the information sent by the control module to a management system. The smart gluing lock based on the NB-IoT has an NB-IOT wireless communication technology and has the advantages of strong link, high coverage, high reliability and low cost.

The invention belongs to the technical field of automobile part appliances and in particular relates to a leaf spring seat. The invention discloses a leaf spring seat. The leaf spring seat comprises a plate body, wherein four U-shaped bolt grooves are formed in four corners of the plate body; a strip-shaped raised line is formed in the middle on the inner side of each U-shaped bolt groove; a lower concave surface is formed in the middle of the plate body; an arc-shaped concave surface is formed in the middle of the lower concave surface; a cylindrical through hole is formed in the middle of the arc-shaped concave surface; four convex surfaces are formed in four corners of the lower concave surface; the convex surfaces are in arc transition with the arc-shaped concave surface; recessed parts are arranged at two ends of the plate body. The leaf spring seat is simple in structure, the stress suffered by the leaf spring seat can be well reduced, the use intensity can be greatly enhanced, and the service life is prolonged.

The invention relates to the technical field of decoration equipment accessories, in particular to a quick splicing mechanism based on a steel structure supporting keel for ceiling installation, including a connecting column, the top of the connecting column is fixedly provided with an expansion bolt, and the surface of the expansion bolt is covered with a The expansion bolt sleeve, the surface of the connecting column at the bottom of the expansion bolt sleeve is covered with a first nut, the bottom of the connecting column is provided with a connecting cabin, and the top of the inner wall of the connecting cabin is fixedly connected with an upper toothed column. Both sides of the inner wall of the connecting compartment are fixedly connected with spring telescopic rods. In the present invention, the supporting keel connected to the ceiling can be fixed on the bottom of the connecting column by providing the supporting block, and the supporting block can be fixed on the bottom of the connecting column under the connection of the connecting rod through the latch structure provided with the plug head and the limit block. The installation process of the device is more convenient, and there is no need to carry too many installation tools, which reduces the complexity of the installation personnel's operation.

The invention relates to an automobile composite envelope terminal, the envelope terminal is fixedly connected to the plastic fixing plate of the automobile, the envelope terminal comprises a male endand a female end, the female end comprises a plug-in part and a fixing part sleeved in the middle of the plug-in part, one end of the plug-in part is provided with a plurality of plug-in interfaces,Each insertion interface comprises two oppositely arranged tablets, the other end of the insertion connection part is provided with a bendable crimping piece for binding the wire harness, the one endof the fixing part is provided with a crimping strip for pressing the two tablets, and the other end of the fixing part is provided with a clamping strip for clamping on the plastic fixing plate. Compared with the prior art, the link between the public end and the female end of the invention is more stable; And the whole female end is more stably matched with the plastic fixing plate of the automobile; In addition, the wiring harness in the terminal of this wiring harness is tidier.

A method for producing the buffer layer of a conductor coated with high temperature superconducting coating by means of macromolecule assisted deposition, which comprises: a. preparing waterless: weigh rare-earth acetate, or rare-earth propoxide, or rare-earth acetylacetonate, or zirconium propoxide, or zirconium n-butoxide and cerium acetylacetonate at an ionic ratio of rare-earth or zirconium: cerium as x:1-x (0.01<=x<=0.5), dissolve the compound in an organic solvent to form a waterless; b. preparing colloid: add polyvinyl butyral, or polyethylene glycol, or polyvinyl pyrrolidone, or polyvinyl alcohol, or polyoxyethylene to the waterless solution to form colloid; c. coating the colloid and drying: coat the colloid on a substrate and then dry the substrate; d. sintering: load the substrate into a sintering oven, heat up to 850-1150 DEG C at 5-100DEG C / min, hold for 0.25-2h, and drop the temperature at 1-2 DEG C / min to room temperature. The method is characterized in simple process, easy operation control, low cost, and free of environment pollution; the single-layer cerium oxide buffer layer obtained can be in critical thickness of 150-200nm.

The invention discloses a modified PET base material for a solar battery back plate and a preparation method thereof. The modified PET base material comprises the following components in parts by weight: 30-80 parts of n-butyl acetate, PET? 40-80 parts, 40-100 parts of hexabromocyclododecane, 30-150 parts of 3-methyl-2-buten-1-ol, 100-200 parts of methyl ethyl ketone, 40-80 parts of titanium dioxide, maleic anhydride Branched polypropylene 20-50 parts, stabilizer 40-120 parts, carbonate 20-120 parts, phthalates 30-40 parts. Preparation method: Mix n-butyl acetate, PET, hexabromocyclododecane, 3-methyl-2-buten-1-ol, titanium dioxide, and phthalates evenly, heat to 800-950°C, Slowly add the remaining ingredients, fill with inert gas, and react for 2 to 3 hours; dry and extrude, cool and cast; stretch and set. The n-butyl acetate of the invention obviously improves the link force between PET macromolecules, improves the surface energy and tensile strength of the substrate, and has stronger mechanical properties.

The invention discloses a ferulic acid-cyclodextrin covalent coupling compound as well as a preparation method and the application thereof. The ferulic acid-cyclodextrin covalent coupling compound hasa structural formula I as shown in the specification, in the formula I, M has a structural formula II as shown in the specification, and X is NH or O; in the formula II, m is an integer of 0-7; n isan integer of 1-8; the sum of m and n is 6, 7 or 8; R1, R2 and R3 are all OH, (CH2)x- or R4(CH2)y2-; at least one or R1, R2 and R3 is (CH2)x- or R4(CH2)y-; R4 is -NH- or x is an integer greater than or equal to 0; y is an integer greater than or equal to 0. The ferulic acid-cyclodextrin covalent coupling compound is applied to the preparation of at least one of anti-cancer drugs, fat-soluble drugcarriers, food additives and cosmetic packing. The ferulic acid-cyclodextrin covalent coupling compound disclosed by the invention is high in water solubility and good in stability, in addition, oxidation resistance of bioactivity of ferulic acid are maintained.

Provided in the invention is a quick connection connector of a fiber bundle. The connector comprises a light buckle, a lock buckle, a fiber bundle and a light bead. A light bead buckle is installed inthe light buckle; the lock buckle is connected outside the light buckle in a threaded manner; and the end surface of the fiber bundle is attached to the top surface of the light bead. The light buckle is provided with a first mounting portion and the second mounting portion; a light bead clamp position extends inwardly to the end surface of the outer side of the first mounting portion; an outer thread is formed on the outer surface of the second mounting portion; and the light bead is installed in the light bead clamp position and extends into a mounting hole partially. With the provided connector, rapid installation of the fiber bundle is realized; connection between the light bead and the fiber bundle is stabilized to avoid loosening and shifting of the light bead, so that the light wave of the light bead can be transmitted effectively via the fiber bundle. The connector having high practicability has the great promotion significance.

The invention provides a light truck half-loading truck body provided with a reinforced connection plate. According to the technical scheme, the half-loading truck body is mainly divided into two parts, respectively, a front floor assembly and a beam frame assembly, a junction between the front floor assembly and the beam frame assembly is welded to side beams, so a lower truck body can be connected more firmly; meanwhile, a reinforcing plate is additionally arranged, so the effect of reducing partial stress concentration is achieved. A connection gasket is additionally arranged between the front floor assembly and the beam frame assembly, so a connection effect between the front floor assembly and the beam frame assembly is better, the requirement for light weight of the truck body can be achieved, the purposes of energy conservation and environment protection are achieved, meanwhile the defect that the integrated loading type truck body is low in loading capacity is overcome, and the overall strength is improved. By the adoption of the light truck half-loading truck body provided with the reinforced connection plate, the comfort and safety of the loading type truck body can be achieved, and requirements of the majority of chassis in rigidity are overcome. The loading capacity of a container part after improvement is improved, perfect combination is achieved, and the effect of practicability of truck transformation is achieved to the greatest extent.

The invention discloses a stain-resistant SMC sheet material with PMMA as a low-shrinkage agent and a preparation method thereof. The invention relates to the technical field of functional composite preparation. In order to solve the problems caused by the traditional method for preparing SMC sheets by using PE, PVAC and MMA as low-shrinkage agents, the invention provides an SMC sheet material anda preparation method thereof, wherein PMMA / MMA mixed liquid is used as a low-shrinkage agent, the formula comprises a PMMA / MMA mixed liquid low-shrinkage agent, MMA powder, an MMA / TBPB mixed liquid initiator, an HQ / mma mixed liquid polymerization inhibitor, a filler, an internal releasing agent, a dispersing agent, aerosil powder, color paste, glass fibers and other assistants, and by using the specific preparation method provided by the invention, the finally obtained SMC sheet material does not need to be added with a magnesium oxide thickening agent and does not need to be heated for thickening, the forming temperature is low, the forming pressure is small, safety and environmental protection are achieved, and the hardness, corrosion resistance and aging resistance are all improved.

The present invention provides a method for producing the buffer layer of a conductor coated with high temperature superconducting coating by means of macromolecule assisted nitrate deposition, a. producing a waterless weigh rare earth nitrate or zirconium nitrate and cerous cerium nitrate at an ionic ratio of rare-earth or zirconium: cerium as x:1-x (0.01<=x<=0.5), and dissolve the elements in N,N-dimethyl formamide to form a waterless solution; b. preparing colloid: add polyacrylic acid or polymethacrylic acid to the waterless solution prepared in step a; c. coating the colloid and drying: coat the colloid prepared in step b on a substrate and the dry the substrate. d. sintering: load the dry substrate into a sintering oven, heat up to 850-1150 DEG C at 5-100 DEG C / min speed, hold for 0.25-2h, and then drop the oven temperature to room temperature. The method is characterized in simple process, easy operation control, low cost, and free of environment pollution; the single-layer cerium oxide buffer layer obtained can be in thickness up to 150-200nm.