122results about How to "Improve pressure performance" patented technology

The invention relates to a method for realizing seismic reinforcement of a pier by the aid of carbon fibers. The method includes the steps: a, treating the surface of a pier body by filling fiber-containing high-strength mortar into an uneven position of the surface of the pier body and trowelling the uneven position; b, coating epoxy resin adhesives on the pier body to serve as a trowelling layer; c, pasting longitudinal carbon fiber fabrics on the pier body; d, pasting transverse carbon fiber fabrics; e, treating the root of the pier after the adhesives on longitudinal carbon fibers and transverse carbon fibers are completely solidified; and f, planting steel bars and pouring concrete into a bearing platform. Large tensile stress is resisted by pasting the longitudinal carbon fiber fabrics, development of transverse cracks is suppressed, core concrete crushing can be effectively restrained by the transverse carbon fiber fabrics, and shearing resistance is improved. A carbon fiber surface at the lapping position of the root of the pier body and the bearing platform is treated by steel plate battens, the steel bars are planted and the concrete is poured in the lapping length direction of surface carbon fibers of the bearing platform, wholeness of the pier in stress is improved, and the purpose of seismic reinforcement is achieved. The seismic reinforcement technique is simple in operational process, convenient in construction, small in occupied space and fine in reinforcement effect, and the additional load of the structure is not increased.

The invention provides a piezoelectric telescope-feed tension compression bidirectional stress initiative anti-seismic control device, comprising an external tube, a fastening force changing nut arranged at the upper part of the external tube and a first connecting rod penetrating the fastening force changing nut; a second connecting rod is arranged at the lower part of the external tube; an internal tube in hollow structure is arranged in the external tube, and piezoelectric pile is placed in the internal tube; the upper end of the internal tube is fixedly connected with the fastening force changing nut by a bolt; a first transmission end plate is arranged between the upper end part of the internal tube and the upper end part of the piezoelectric pile; a second transmission end plate provided with a hinge is arranged between the lower end part of the internal tube and the lower end part of the piezoelectric pile; and the inner side at the lower end of the external tube is provided with a lug which is contacted with the hinge of the second transmission end plate in moving process. The invention solves the technical problem that anti-seismic control device is low in working efficiency and has the advantage of strong adaptability to environment.

The invention relates to a smart audio video mixed acquisition device adopting a wireless induction charging wristband, belonging to the field of smart homes. The device is a structurally ordered system formed by mutual interaction and combination of various electronic functional modules, and provides an intelligentized adjustable environment for humans or other animals. The device comprises a voice command acquisition unit, a mixed power supply device, a central processor and a video monitoring unit. The video monitoring unit comprises an analog camera, a video A/D converter, a field programmable gate array (FPGA) processor and a digital signal processor (DSP), which are connected in sequence. The FPGA processor is connected with a static random access memory (SRAM)1 and an SARM0. The DSP is connected with the video A/D converter through an I2C bus. The DSP is connected with a memory device. The voice command acquisition unit, the mixed power supply device and the video monitoring unit are all connected with the central processor.

The invention relates to a three-dimensional multilayer-hollow fiber-reinforced concrete blanket capable of achieving lap joint and belongs to the technical field of building materials. The three-dimensional multilayer-hollow fiber-reinforced concrete blanket comprises a three-dimensional hollow-multilayer fabric, a top layer packaging fabric and active dry powder concrete; one side edge or multiside edges of the three-dimensional hollow-multilayer fabric are manufactured into a U-shaped lap-joint part, and the three-dimensional hollow-multilayer fabric comprises a first layer, a second layerand a middle layer; the first layer forms a two-dimensional structure through warp and weft intertwining, and the second layer forms a three-dimensional multilayer structure through warp and weft intertwining; a plurality of grid holes are formed in the first layer, and a three-dimensional hollow structure is formed on the middle layer; vertical warps weave the first layer, the second layer and the middle layer into a three-dimensional integral structure; and the three-dimensional hollow structure is filled with the active dry powder concrete through the grid holes, and the top layer packaging fabric and a first layer package are composited into a whole. The three-dimensional multilayer-hollow fiber-reinforced concrete blanket is a composite concrete blanket which is of a reinforced structure and is high in integrality, reinforced, toughed, resistant to bending and cracking, convenient to use and capable of quickly achieving high-property and low-cost lap joint in the construction process.

The invention discloses an aluminum thin-wall screw beverage bottle. The aluminum thin-wall screw beverage bottle comprises a bottle bottom (1), a bottle cylinder (2), a bottle shoulder (3), a bottle neck (4) and a bottle cover (5), wherein the bottle bottom (1) comprises a recess part (1-1) and a supporting part (1-2); the recess part (1-1) is recessed into the bottle; the supporting part (1-2) is used for supporting a bottle body; the first diameter (R1) of the bottom of the recess part (1-1) is greater than the second diameter (R2) of the top of the recess part (1-1); the supporting part (1-2) encircles the bottle bottom for a circle to form an annular shape; the thickness of the bottle bottom (1) is 0.25-0.70mm; the thickness of each of the bottle cylinder (2), the bottle shoulder (3) and the bottle neck (4) is 0.02-0.08m; an annular groove (4-1), an annular convex edge (4-2) and an external thread (4-3) are sequentially formed in the bottle neck (4) from bottom to top; a bottle opening (4-4) is formed in the top of the bottle neck (4) by folded edges.

A high-cellulose welding electrode is disclosed, and it features that its coating contains 15 components including pyroceram, starch, bamboo powder, rutile, titanium oxide powder, etc.. The low-modulus water glass with high K/Na ratio is used as adhesive. Its advantages include high mechanical performance, no air pores in welded seam, and high low-temp. toughness.

The invention discloses a structure of a steel-reinforced concrete column beam and column universal joint. The structure comprises a steel-reinforced concrete column and a steel-reinforced concrete beam, the steel-reinforced concrete column and the steel-reinforced concrete beam are crossed and connected to form the beam and column universal joint, and the steel-reinforced concrete beam and the steel-reinforced concrete column are perpendicular. The steel-reinforced concrete beam is formed by arranging at least two rows of steel bars and is poured with concrete, and the steel-reinforced concrete beam is formed by an X-direction steel-reinforced concrete beam body and a Y-direction steel-reinforced concrete beam body. The structure has the advantages of being high in bearing force, good in ductility, high in energy-dissipating capacity, good in anti-seismic property, free of large amount of formwork erecting, high in construction speed and the like; the structure is simple, and a wall is smooth.

The invention discloses a prefabricated wall panel installation limiting device and a construction method thereof. The limiting device comprises a base, support columns and supports, the support columns comprise the left support column and the right support column, and the supports comprise the left support and the right support. The left support column and the right support column are disposed onthe upper surface of the base, and the left support and the right support are correspondingly located at the tops of the left support column and the right support column. Connecting ribs are arrangedbetween the left support column and the right support column. The prefabricated wall panel installation limiting device is simple in structure, convenient to construct and good in performance under stress, the interference to pre-burying of components such as steel bars and water stop plates is avoided, and the construction quality and efficiency are improved.

The invention discloses a novel flexible wear-resistant ceramic coating. The novel flexible wear-resistant ceramic coating comprises: by weight, 12 to 14 parts of aggregate, 6 to 7 parts of fine powder, 1 part of aluminate cement, 1 part of ceramic fibers having length of 5 to 10 cm, 0.5 parts of steel fibers having a diameter of 0.1 to 0.8 mm and length of 1 to 3 cm, and 1 part of an additive. In preparation of the novel flexible wear-resistant ceramic coating, there is no need of addition of water. A phosphate or sodium silicate as a chemical bond type binding agent, the aggregate with wearresistance, the fine powder with wear resistance and the ceramic fibers are prepared into the novel flexible wear-resistant ceramic coating which does not contain water and is formed through chemicalbond type binding. The novel flexible wear-resistant ceramic coating is thermostable. Through the preparation method, pores which belong to the novel flexible wear-resistant ceramic coating and are produced by vapor during heating at a high temperature are reduced; a compressive capacity is improved; and fire resistance and wear resistance are improved.

The invention relates to a steel arch rib and a concrete base connecting device, comprising a three-way prestressed concrete arch rib force transmission section which is poured and fixed on the concrete base, and an end face of the three-way prestressed concrete arch rib force transmission section is connected with the steel arch rib through a full-cell steel concrete connection section; The concrete base comprises a pile foundation and a pile cap foundation poured on the pile foundation, and an arch base is poured on the pile cap foundation; The three-way prestressed concrete arch rib force transmission section comprises concrete arch ribs poured and fixed on the arch base, and the concrete arch ribs are respectively connected with the concrete base from the inside through transverse prestressed steel bars and vertical prestressed steel bars. The full-cell steel-concrete connection section connects the end face of the concrete arch rib and the steel arch rib through a plurality of longitudinal prestressed steel strands running through the full-cell steel-concrete connection section. The invention greatly improves the overall compression capacity of the joint section, and can realize the close connection between the steel arch rib and the concrete base.

The invention discloses a blasting flying stone safety protection device. The device comprises a supporting bottom framework, the supporting bottom framework is composed of a cement base, a U-shaped steel, a connecting square steel and a reinforced inclined steel plate, the U-shaped steel is fixedly provided with inclined installation frameworks, an inclined top protection component is fixedly arranged between the two inclined installation frameworks, the inclined top protecting component is composed of an inclined protecting steel net, a square pipe and a reinforcing connecting steel, and side-side protective steel nets are fixedly arranged on the outer sides of the inclined mounting structures. The blasting fly-stone safety protection device, so that large crushed stone impact force can be borne, the compressive capacity is enhanced, meanwhile the deformation is not easy to deform, and can be used for shelter of explosion personnel, so that the life and property safety of workers is guaranteed, and the safety is further improved, the explosion flying stone safety protection device is convenient to assemble, convenient to dismount in the later stage, high in turnover performance and good in popularization effect.

A dis-bond membrane prevents co-mingling between a thermoplastic liner and a fiber reinforced thermoset outer wall of a pressure vessel during thermal curing of the outer wall.

The invention provides a battery module, and the battery module comprises a battery cell assembly, and a battery cell in the battery cell assembly comprises a battery cell main body part and a tab. The battery module is characterized in that the battery module further comprises a first fixing band surrounding the battery cell assembly in the thickness direction of the battery cell; a second fixingband which surrounds the battery cell assembly in the thickness direction of the battery cell; in the length direction of the battery cell, the distance between the projection position of the first fixing band and the first end of the battery cell main body part is less than or equal to L/4, the distance between the projection position of the second fixing band and the second end of the battery cell main body part is less than or equal to L/4, wherein L is the length of the battery cell main body part.

The invention discloses a solid-sealed polar pole. The solid-sealed polar pole comprises a vacuum arc-extinguishing chamber, a first wire inlet and outlet bushing, a second wire inlet and outlet bushing and an insulated bushing, wherein the vacuum arc-extinguishing chamber comprises a main body, a static end and a moveable end; the first wire inlet and outlet bushing is provided with a mounting cavity; the static end of the vacuum arc-extinguishing chamber is placed in the mounting cavity and is electrically connected with the first wire inlet and outlet bushing. In addition, the invention also provides a production method of the solid-sealed polar pole. The production method is used for producing the solid-sealed polar pole and comprises the following steps: placing the static end of the vacuum arc-extinguishing chamber in the mounting cavity of the first wire inlet and outlet bushing, wherein the static end of the vacuum arc-extinguishing chamber is connected with the first wire inlet and outlet bushing; placing the vacuum arc-extinguishing chamber which is mounted in the first step into a die, wherein a filling port is formed in the position, corresponding to the first wire inlet and outlet bushing, of the die; applying pressure which exceeds 10 MPa and performing injection molding on a thermoplastic material to manufacture the insulated bushing so as to finish packaging of the vacuum arc-extinguishing chamber.

The invention discloses a high-pressure-bearing combined type steel structure and a welding method. The high-pressure-bearing combined type steel structure comprises a base, a mounting base, a supporting column and a top plate, wherein the base is of a groove-shaped structure, a movable mechanism is fixedly mounted in the base, the mounting base is fixedly mounted at the top of the movable mechanism, and box bodies are symmetrically mounted at the two ends of the top of the mounting base. According to the structure, the top plate descends due to pressure, second springs are compressed, telescopic rods compress lifting springs, first wedge blocks descend to be in contact with second wedge blocks, the second springs and the lifting springs continue to be compressed, the top plate continues to descend, the first wedge blocks and the second wedge blocks cooperate with each other, then the first wedge blocks push the second wedge blocks to slide horizontally, the second wedge blocks drive limiting blocks to move through fourth movable rods, and the first springs are compressed. Under the combined action of the lifting springs, the first springs and the second springs, step-by-step buffering is carried out, so that the pressure-bearing performance of the steel structure is improved.

The invention discloses a gear transmission device of a double-point punch, which comprises a transmission gear fixed on a transmission shaft and two main gears driven by the transmission gear. The transmission gear is connected with a power device through the transmission shaft. The gear transmission device is characterized in that the two main gears are mutually and separately arranged on two sides of the transmission gear, at least one of the two main gears is indirectly meshed with the transmission gear through an idler wheel mechanism. The gear transmission device has the advantages that: the outside diameter of the main gear can expand the space between fulcrums in the range of not interfering the inner width of a body, the compressive capacity of eccentric load in the left and right directions can be greatly improved by expanding the space between two fulcrums, and simultaneously the dynamic precision in multi-process punch processing aspects such as transfer processing and the like; because the transmission gear become small, the inertia of a punch transmission train becomes small, and then the running properties such as starting, stopping and the like are improved; and the space between the fulcrums can be freely selected by changing the tooth number of idler wheels in the idler wheel mechanism and the number of the idler wheels.

The invention particularly relates to a novel pressure-resistant carbon fiber tube with the compact structure. Each of the two ends of the carbon fiber tube is bonded to one end of a metal pipe joint,and the other end of the metal pipe joint is clamped into a locating hole. The inner sidewall of each locating hole is fixedly connected with the outer sidewall of a first rubber ring. The inner sidewall of the first rubber ring located at the upper end of the carbon fiber tube is provided with an upward inclined serrated convex part. The outer side face of the portion, located in the corresponding locating hole in a sleeved mode, of each joint is fixedly connected with the inner side face of a second rubber ring. The outer sidewall of a second rubber ring located at the upper end of the carbon fiber tube is provided with a downward inclined serrated convex part. Each upward inclined serrated convex part and the downward inclined serrated convex part are arranged in a staggered mode. Tensile force is transmitted through the carbon fiber tube. Pressure is transmitted through a metal pressure rod. The carbon fiber tube is prevented from being pressed. The service life of the carbon fiber tube is effectively prolonged.

The invention discloses an intelligent household audio-video mixing collection device adopting a mobile bracelet, belonging to the intelligent household field. The invention is a system which is ordered in structure and is obtained through combination and mutual interaction of various electronic function modules, and provides an intelligent adjustable environment to the people and other animals The intelligent household audio-video mixing collection device comprises a voice order collection unit, a hybrid power supply power supply device, a central processor, and a video monitoring unit, wherein the video monitoring unit comprises a simulation camera, a video A/D converter, an FPDG processor, and a DSP processor which are successively connected; the FPGS processor is connected to an SRAM1 storage device and an SARM0 storage device; the DSP processor is connected to the video A/D converter through an I2C bus; the DSP processor is connected to a storage device; and the voice order collection unit, the hybrid power supply power supply device, and the video monitoring unit are connected to the central processor.

The invention discloses a composite reinforced bamboo pipe component with inner fillers and a preparation method thereof. The bamboo pipe component comprises a hollow bamboo pipe for breaking through bamboo joints and a plurality of bamboo strips located in the bamboo pipe. A circle or multiple circles of bamboo strips are arranged. The surfaces of the bamboo strips are coated with epoxy resin adhesives which are arranged and fixed around the inner wall of the bamboo pipe. According to the composite reinforced bamboo pipe component with the inner fillers and the preparation method thereof, the inner space of bamboo is made full use of on the premise that the shape of the bamboo is not changed, and the aesthetic feeling and the efficient use of the space are combined, so that the flexural property and the compressive property of the bamboo are greatly improved.