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11results about How to "Frame stability" patented technology

Hydroxyl-modified porous coordination polymer material, preparation method and sulfur dioxide capture application

The invention belongs to the technical field of crystal porous material preparation and adsorption separation, and relates to a hydroxyl-modified porous coordination polymer material, a preparation method and sulfur dioxide capture application. The chemical formula of the porous coordination polymer is [Ni3 (OH) (TMBTTP) (BDC-2OH) 3], and the porous coordination polymer has a cylindrical cage, a fusiform cage, permanent pore channels, appropriate pore sizes and a hydroxyl-modified pore environment, and can provide sufficient space and rich hydrogen bond binding sites for gas molecular adsorption, so that the porous coordination polymer material is suitable for adsorption separation of SO2.
Owner:DEZHOU UNIV

Foldable display rack

The present invention belongs to the field of exhibition and display, and particularly relates to a folding display rack, including a corner connection piece and an intermediate connection piece, where the corner connection piece includes an upper corner connection piece and a lower corner connection piece; two ends of the long frames are connected to an upper short frame and a lower short frame respectively through the upper corner connection piece and the lower corner connection piece; the intermediate connection piece is located at the middle position of each of the long frames and divides the long frame into two parts; the long frame is can be folded in a direction from the middle to the inner side of the display frame through the intermediate connection piece; and the long frames on two sides can be folded in half from the middle through the corner connection piece and then are staggered, folded and stored on the short frame on the lower side. According to the present invention, the overall structure of the display rack can directly form one or more folding structures, greatly reducing the product volume and facilitating transportation, and the staggered folding function ensures that the lengths of the long frames on two sides are not limited by the length of the lower frame. Furthermore, the folding display rack of the present invention does not require setting up on site, and can be overally folded and overally unfolded, which is convenient and rapid, thereby greatly improving the installment efficiency.
Owner:CHANGZHOU LINTEL DISPLAY

Ionic conductor ceramic material and preparation method thereof

The invention relates to the field of ionic conductors, in particular to an ionic conductor ceramic material and a preparation method thereof, and the ionic conductor ceramic material comprises Na2CO3, MgCO3, Zr02, NH4H2P04 and Si O2. The preparation method comprises the following steps: mixing the Na2CO3, the MgCO3, the Zr02, the NH4H2P04 and the SiO2 to obtain a first mixture; adding a dispersing agent into the first mixture, and carrying out first ball milling to obtain a second mixture; pre-sintering the second mixture, and carrying out a preliminary reaction to obtain a pre-sintered second mixture; carrying out secondary ball milling on the pre-sintered second mixture to obtain a second mixture subjected to secondary ball milling; and sintering the second mixture after the second ball milling to obtain the ionic conductor ceramic material. According to the prepared ionic conductor ceramic material, the conductive efficiency is improved, and meanwhile, a high-purity material can be obtained.
Owner:CHANGCHUN UNIV

Cell culture device for immune cell amplification

The utility model relates to the technical field of cell culture, in particular to a cell culture device for immune cell amplification, which comprises a base horizontally arranged, air cushions distributed along four vertex angles are arranged on the lower end face of the base, the upper end faces of the air cushions are adhered to the lower end face of the base through resin glue, a U-shaped frame is arranged on the upper end face of the base, and the U-shaped frame is connected with the air cushions. The lower end face of the U-shaped frame is fixedly assembled with the upper end face of the base through screws, plate grooves distributed at equal intervals in the vertical direction are formed in the two sides of the inner wall of the U-shaped frame, and a partition plate is slidably inserted between the two plate grooves in the same horizontal line and is of a hollow structure. By means of the structure of the U-shaped frame, it can be guaranteed that the frame is stable after the partition plates are inserted and connected in a butt joint mode, the culture dish containing base can be arranged in a layered mode through the partition plate structure, culture dishes can be placed in the culture dish containing base, a plurality of culture dishes can be placed through multi-point distribution, the culture dishes can be stored in a centralized mode, and centralized storage and transfer are facilitated.
Owner:BEIJING ZHUJIAN BIOTECHNOLOGY CO LTD

Fluorine-modified porous framework crystal material, preparation method thereof and application of fluorine-modified porous framework crystal material in acetylene / carbon dioxide separation

The invention belongs to the technical field of crystal porous framework material preparation and adsorption separation, and relates to a fluorine-modified porous framework crystal material, a preparation method thereof and acetylene / carbon dioxide separation application. The fluorine-modified porous frame crystal material is novel in structure and stable in frame, and has two polyhedral cages of a reverse triangular prism and a triangular bipyramid. At the temperature of 77 K, the nitrogen isothermal adsorption curve of the material is I type, the maximum nitrogen adsorption capacity at the pressure P / P0 = 0.995 is 295 cm < 3 > / g, the specific surface area calculated by adsorption data is 991 m < 2 > / g, and the pore size distribution is 4.5-12.0. The permanent pore channel, the proper pore size and the fluorine atom modified pore channel inner surface environment can provide sufficient space and abundant binding sites for selective adsorption gas, so that the material is suitable for adsorption separation of mixed gas.
Owner:DEZHOU UNIV

Decorative aluminum plate with circular surface of square concrete structure column

The utility model discloses a decorative aluminum plate with a circular surface of a square concrete structural column, which relates to the technical field of architectural decoration and comprises the concrete structural column, an aluminum plate and arc-shaped angle steel, and rear anchor plates are arranged on the periphery of the concrete structural column. The four rear anchor plates are anchored on the concrete structural column through four expansion bolts, two pieces of linear angle steel are fixedly welded to the outer surfaces of the four rear anchor plates, a galvanized square tube is fixedly clamped between every two pieces of corresponding linear angle steel, and U-shaped aluminum buckling strips are fixedly connected to the ends, away from the concrete structural column, of the four galvanized square tubes; the rear anchor plate, the linear angle steel and the galvanized square tube are arranged on the concrete structure column, so that the four arc-shaped aluminum plates can be assembled on the outer side of the concrete structure column, construction is simple, the external structure is not affected by the shape of the original concrete structure column, the aluminum plates are integrally assembled, and the working efficiency is improved.
Owner:中建新越建设工程有限公司

Grouting hydraulic spiral drilling machine

The invention relates to mechanical equipment for drilling and excavating in soil and rock, in particular to a grouting hydraulic spiral drilling machine. The drilling machine comprises a chassis assembly, an upper plate assembly, a main frame, a pulley head, a power head and a multi-section spiral drilling rod. And the chassis adopts a symmetrical design and is provided with side boots, retaining sleeves and steel wheel components, so that the stability and the drilling precision of the equipment under an unstable terrain are ensured. The main frame is connected with the flange through bolts, thereby facilitating disassembly and assembly and improving equipment strength. The pulley head and the power head are connected through the movable pulley block and the fixed pulley block, power output efficiency is improved, and stable rotation of the drill rod is guaranteed. The guide rail and the guide cylinder further protect the drill rod, offset and abrasion are reduced, and the drilling precision is improved. The device is reasonable in structure, improves the construction efficiency, stability and precision, and adapts to various complex construction environments.
Owner:ATTACHMENTS MFG CO LTD

Conversion structure of inner frame and outer frame of layer-by-layer overhanging structure

The utility model discloses a layer-by-layer overhanging structure inner and outer frame conversion structure which comprises an outer scaffold, the outer scaffold is connected with a conversion area scaffold, the conversion area scaffold is connected with a floor inner formwork support, and the floor inner formwork support is divided into a pre-conversion floor inner formwork support and a post-conversion floor inner formwork support. The pre-conversion floor inner formwork support comprises a pre-conversion inner scaffold area and a pre-conversion outer scaffold area which are adjacent to each other, and the post-conversion floor inner formwork support comprises a post-conversion inner scaffold area and a post-conversion outer scaffold area which are adjacent to each other; formwork supporting structure accessories are additionally arranged on the frame body erected to the bottom of the overhanging structure, the frame body is converted into a supporting frame, the inner frame and the outer frame are separated from the frame body in an unconverted area by removing cross rods, the outer scaffold is kept stable through wall connecting pieces, and the converted frame body is kept stable by being connected with the supporting frame on the inner side in a pulling mode. Therefore, efficient conversion of the inner and outer frame bodies of the overhanging structure is achieved, the construction period is effectively shortened, material loss and consumption are reduced, and labor cost is reduced.
Owner:CHINA CONSTR FOURTH ENG DIV CORP LTD +1

Micro-nano bubble oxygenation device for land-based circular culture pond

The invention discloses a micro-nano bubble oxygenation device for a land-based circular culture pond. The micro-nano bubble oxygenation device comprises an outer cylinder, a cavitation cylinder, an air inlet nozzle, a first screen, a connecting cylinder, an end cover and a second screen, an opening is formed in the left end of the outer cylinder and serves as a water inlet; an end cover is mounted at the right end of the outer cylinder, and an opening is formed in the middle of the end cover and serves as a water outlet; the cavitation cylinder is mounted at the left end in the outer cylinder, and the connecting cylinder is mounted at the right end; the left end of the cavitation cylinder is provided with an air inlet nozzle, the middle is provided with a cavitation water inlet, and the right end is connected with the connecting cylinder; the left end of the connecting cylinder is connected with the cavitation cylinder, and the right end is connected with the end cover; the first screen is mounted on a water inlet in the left end of the outer cylinder; and the second screen is mounted on a water outlet in the middle of the end cover. According to the invention, the outflow state of water flow and bubbles can be effectively controlled, and stable water flow rich in oxygen is provided for the culture pond.
Owner:广西壮族自治区水产技术推广站 +1

Construction method of large-floor-height non-residential small-size aluminum mold disc buckle system

PendingCN122358854ASolve the core problem of low adaptabilityThe cost of customization is not highArchitectural engineeringRebar
This invention discloses a construction method for a small-sized aluminum formwork disc-lock system for high-rise non-residential buildings. The construction steps include seven major steps: construction preparation, determination of the aluminum-wood combination scheme, construction of wall and column reinforcement formwork, erection of disc-lock scaffolding, construction of beam and slab reinforcement formwork, concrete pouring, and dismantling of the formwork frame. The beneficial effects of this invention are: It uses 400mm×1000mm small-sized standard aluminum formwork, optimizes the main structure through a 50mm modular design, and uses special connecting angle aluminum and tie plates to achieve a reliable aluminum-wood combination for irregular parts. Combined with disc-lock scaffolding, it forms a stable support and early dismantling system, increasing the utilization rate of aluminum formwork in non-standard buildings to over 90%, effectively ensuring the quality of concrete forming, significantly reducing construction costs and time, and is suitable for the construction of high-rise non-residential building structures such as commercial complexes, hospitals, and schools.
Owner:CHINA CONSTR THIRD ENG BUREAU GRP CO LTD