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584results about How to "Strong structural stability" patented technology

Structure and method for treating severe disengagement, cracking and other defects of tunnel lining

The invention discloses a structure and method for treating severe disengagement, cracking and other defects of a tunnel lining. According to the method, original defective secondary lining concrete is chiseled away, and an inverted trapezoidal groove with the inside being wide and the outside being narrow is formed; steel bars are embedded in the middle of the groove in the annular direction and the longitudinal direction, and meanwhile, the steel bars and the original concrete are anchored integrally; self-propelled hollow grouting anchor rods are drilled in the groove area and surrounding the groove at the same time, and the outer side and the inner side, close to the secondary lining, of each anchor rod are wrapped with two water-swelling rubber water stop strips; and after a formwork is erected on the outer surface of the secondary lining, micro-expansion concrete is poured into the groove and is tightly connected with an original primary support and the secondary lining, so that a new lining structure is formed, the outer surface area of the micro-expansion concrete extends around till reaching the design thickness of the secondary lining and then extends again by 80-100 cm within which steel belts are hung for anchorage. The structure and method can effectively treat the defects of severe cracking and disengagement of the lining, the structure stability is good, the mechanical property is high, the problem that the defects occur again in the later period is avoided, the treatment method is high in operability, safe and reliable, and great economic benefits are achieved.
Owner:CHANGAN UNIV

Ultrathin TiO2 coating layer of lithium battery cathode material, lithium battery cathode material and preparation method of lithium battery cathode material

The invention discloses an ultrathin TiO2 coating layer of a lithium battery cathode material. The coating layer is uniform and compact, and the thickness is only 0.5-20 nm. The lithium battery cathode material with a core-shell type coating structure comprises an inner-core cathode active material and the externally coated ultrathin TiO2 coating layer, wherein a mole ratio of Ti in the coating layer to a transition metal element in the inner-core cathode active material is 0.01%-3%. A preparation method of the lithium battery cathode material comprises steps as follows: a titanium contained compound is dissolved in an organic solvent; the inner-core cathode active material is added to the solution and stirred rapidly, the organic solvent is removed through heating, dry powder is obtained and is placed in dry air for standing to have in-situ hydrolysation with water molecules in air slowly and controllably, and intermediate powder is obtained and placed in an aerobic environment for calcination so as to obtain the lithium battery cathode material. The side reaction between the active material and electrolyte can be effectively inhibited, and the rate capability and the cycle performance of the lithium battery cathode material are improved.
Owner:CHANGSHA RES INST OF MINING & METALLURGY

Preparation method for patterned photonic crystal structural coloration material with stable structure and bright color

The invention relates to a preparation method for a patterned photonic crystal structural coloration material with stable structure and bright color, and belongs to the field of preparation of structural coloration materials. The method comprises the following steps of (1) preparing a hollow nano-microsphere colloidal dispersion liquid; (2) constructing a hollow nano-microsphere photonic crystal structure on the surface of a base material by adopting a colloidal microsphere self-assembly method or a spraying method; (3) preparing curable ink, performing selective application processing on thehollow nano-microsphere photonic crystal structure, and curing the ink through light or heat, wherein the curable ink is light-cured or heat-cured ink; and (4) removing hollow nano-microsphere photonic crystals of an uncured part through ultrasonic washing or soaping. According to the method, the photonic crystals are self-assembled by adopting hollow nano-microspheres, the curable ink is preparedand the hollow nano-microsphere photonic crystal structure is subjected to the selective application processing, so that the high-stability and high-saturation patterned photonic crystal structure coloration material is obtained.
Owner:浙江中蝶坊新材料科技股份有限公司

Combination type vertical greening device

The invention discloses a combination type vertical greening device. The combination type vertical greening device comprises a water supply system, brackets, containers and a fixed steel frame, wherein the tubular brackets are fixed on the fixed steel frame by a fixing device in a vertical and horizontal arrangement mode; a plurality of circular holes which are distributed at intervals and matched with the lower parts of the containers are formed in the brackets; the lower parts of the containers are inserted into the circular holes; two ends of each bracket are respectively connected in series with those of each of the vertically-adjacent brackets through water channel connecting pieces; a water level adjusting device is arranged at each of the two ends of each bracket; and an inlet of the uppermost bracket is connected with the water supply system. The fixed steel frame can be fixedly arranged on a vertical wall or an inclined surface which forms a certain angle with a horizontal plane, and the height of the fixed steel frame is not limited. A greened wall which is independent of the wall is formed. The cultivated plants of the combination type vertical greening device can be conveniently and quickly replaced according to season requirements or beautifying requirements, so various walls and vertical surfaces can be greened and beautified, building walls can be effectively protected, and an ecological effect is achieved.
Owner:青岛冠中生态股份有限公司

Multi-dimensional earthquake-resistant buffer base mechanism for building house and implementation method thereof

The invention relates to the technical field of building earthquake resistance, in particular to a multi-dimensional earthquake-resistant buffer base mechanism for a building house and an implementation method thereof. The multi-dimensional earthquake-resistant buffer base mechanism comprises an outer tube body, a support post, a longitudinal buffer assembly, a spherical surface buffer assembly, afloating hinging assembly, a flexible gasket, a top plate, a buffer rope group and an inside filler, wherein the outer tube body is buried under the ground; the support post is arranged at the bottomof the outer tube body; the longitudinal buffer assembly is fixedly arranged on the support post; the spherical surface buffering assembly is arranged on the longitudinal buffer assembly; one end ofthe floating hinging assembly is connected with the outer tube body; and the other end of the floating hinging assembly is connected with the upper part of the spherical buffering assembly; the bottomof the top plate is connected with the top end of the spherical surface buffer assembly; the flexible gasket is arranged in a gap between the top plate and the outer tube body; one end of the bufferrope group is fixedly arranged at the bottom of the outer tube body, and the other end of the buffer rope group is fixedly connected with the peripheral wall of the spherical surface buffer assembly;and a house is built on the top plate. The multi-dimensional earthquake-resistant buffer base mechanism using the scheme has the advantages that the earthquake-resistant effect is good; the service life is long; and the construction difficulty is small.
Owner:中为润泰建设集团有限公司

Three-core cable fusion joint and installation technology thereof

The invention discloses a three-core cable fusion joint, and relates to the technical field of electric power transmission. The joint comprises two mutually connected cables, an inner repairing layergroup and an outer repairing layer group, wherein the inner repairing layer group and the outer repairing layer group are used for repairing the cables, each cable includes three conductor cores and an outer protection layer group coated outside the three conductor cores, the outer protection layer group includes an inner sheath layer, an armor layer and an outer sheath layer in sequence, the outer repairing layer group includes an inner sheath repairing layer, an armor repairing layer and an outer sheath repairing layer in sequence, the outer sheath repairing layer is set to be a heat shrinkable casing, and two ends, which are lapped with the outer sheath repairing layer, of the outer sheath layer are sleeved with cold shrinkage casings. The cold shrinkable casings are great in elastic shrinkage force and can carry out permanent elastic coating on the lapping parts at two ends of the outer sheath repairing layer, thereby forming interference fit for a long time, and effectively improving the relative stability between two ends of the outer sheath repairing layer and the outer sheath layer. In addition, the cold shrinkable casings can firmly adhered to the outer side of the outer sheath layer, thereby effectively improving the waterproof performance of the cable after the repair.
Owner:华依电缆附件有限公司

Multifunctional wheelchair special for patients with epilepsy

The present invention provides a multifunctional wheelchair special for patients with epilepsy, which comprises a wheelchair frame, a seat mechanism, a flat-lying mechanism, a traveling mechanism, anda leg drag mechanism. The wheelchair frame comprises a support body; a connecting elbow pipe is fixed to the rear of the support body; a flat-lying mechanism is arranged on the elbow pipe; the flat lying mechanism comprises a fixing seat; the fixing seat is fixed to a welding elbow pipe; a first rotating shaft seat is fixedly mounted at the top of the fixing seat; the first rotating shaft seat ishinged with a backrest circular pipe; the backrest circular pipe is fixedly connected with a backrest; the rear of the backrest is hinged with a support bar; the backrest circular pipe is fixedly connected with a pull strip; the pull strip is fixedly connected with a pin; a latching hole matched with the pin is arranged on the support body. As the circular pipe is used in the main structure of the multifunctional wheelchair, the multifunctional wheelchair has strong structure stability and high safety factor; as the flat lying mechanism is arranged, on one hand, rapid lying of patients with epilepsy can be achieved, and on the other hand, the suffering of patients with epilepsy in the flat lying process is reduced, and the multifunctional wheelchair is safe and effective.
Owner:烟台市莱阳中心医院

Bill stacking device of finance equipment terminal

The invention discloses a bill stacking device of a finance equipment terminal. The bill stacking device comprises a bill friction assembly, a separating assembly, a bill pressing plate and a bill pressing plate driving mechanism. The bill stacking device is characterized in that the bill stacking device further comprises an auxiliary bill stacking assembly; and the auxiliary bill stacking assembly comprises a driving support arranged in a swinging manner, a front limiting block and a rear limiting block which are arranged corresponding to the driving support and used for limiting the swinging amplitude, a swing linkage mechanism in transmission connection with the driving support and the bill pressing plate driving mechanism, and an auxiliary bill friction blade which is rotationally arranged on the driving support and is in transmission connection with the bill friction assembly through a friction driving mechanism. According to the invention, one dual-station auxiliary bill friction blade is arranged, the auxiliary bill friction blade and a bill toggle blade are utilized to simultaneously to toggle a bill so as to force the bill to move towards the bill pressing plate, and the upper part and the lower part of the bill are stressed at the same time, so that the fill is stressed uniformly, and the stacking effect is substantially improved.
Owner:CASHWAY FINTECH CO LTD

Riveting and pressing integrated tool for air cover pressing

The invention discloses a riveting and pressing integrated tool for air cover pressing. The tool comprises an upper die plate and a lower die plate, a positioning column is arranged on the upper portion of the lower die plate, a limiting column is arranged on one side of the positioning column, the top end of the positioning column is connected with a fixing seat, a stator is arranged on the fixing seat, and the upper portion of the stator is provided with an air cover; and the lower die plate is connected with the upper die plate through a connecting column, an air cylinder connecting block is arranged on the upper die plate, a pressing head is arranged at the bottom of the air cylinder connecting block, and a riveting pin seat is arranged on the pressing head. According to the riveting and pressing integrated tool for air cover pressing, one-time forming can be achieved, the labor, the cost of the tool and the forming time are saved, the effect obtained through the original complicated multiple-steps can be achieved at one time, and the formed qualified product rate of the tool is far higher than that of step-by-step forming; the tool flexibility is very high, and the occupied space is small; the easy-loss part is convenient to replace, the overall structural stability of the tool is high, operators can place materials conveniently and rapidly, and no risk can be generated; and one tool achieves two functions, so that the time and the materials are saved.
Owner:徐州格雷安环保设备有限公司

Magnetic composite gel microspheres and preparation method thereof

The invention provides magnetic composite gel microspheres. The magnetic composite gel microspheres comprise modified nanometer Fe3O4 microspheres and polymers cross-linked on the surfaces of the modified nanometer Fe3O4 microspheres, wherein the polymers comprise polyacrylonitrile and acrylic-acrylamide copolymers; and the modified nanometer Fe3O4 microspheres are silane coupler modified nanometer Fe3O4 microspheres. The magnetic composite gel microspheres provided by the invention concurrently have high-blocking intensity of inorganic components and water absorption expanding, migration and deformability of organic components, have favorable application potential, have super paramagnetism, can realize magnetic separation when breaking through oil layers to discharge along with produced liquid, and are suitable for magnetic water plugging in oil wells. Tests prove that the water absorption rate of the magnetic composite gel microspheres provided by the invention under the condition of 70 DEG C is more than 90g/g, and the water absorption rate of the magnetic composite gel microspheres at low temperature is relatively low, so that the phenomenon that the magnetic composite gel microspheres absorb water to be expanded before being pumped into shafts is avoided, and the construction properties of the magnetic composite gel microspheres are good.
Owner:LANZHOU UNIVERSITY OF TECHNOLOGY

High-strength anti-crack environment-friendly concrete and preparation process thereof

The invention provides high-strength anti-cracking environment-friendly concrete and a preparation process thereof. The recycled concrete is prepared from the following components in parts by mass: 350 to 480 parts of PC42.5 cement, 50 to 150 parts of fly ash, 450 to 600 parts of recycled lightweight aggregate, 120 to 180 parts of coated sponge iron, 5 to 20 parts of fluorocarbon modified polyacrylamide copolymer, 40 to 70 parts of sodium bicarbonate, 60 to 120 parts of polyphenyl granules, 1 to 2.5 parts of polycarboxylic acid water reducing agent and 160 to 250 parts of mixing water, wherein the recycled lightweight aggregate comprises waste ceramsite concrete blocks and waste rock wool boards, and the coated sponge iron comprises sponge iron, borax, a polyvinyl alcohol solution and rice husks; through optimization of raw material selection and matching and application of the recycled aggregate, the concrete is green and environment-friendly, prefabricated activation components are specifically arranged, the synergistic effect, high strength, crack resistance and mechanical properties are obviously improved, the performance is lasting and stable, and the method is worthy of popularization and application.
Owner:江苏中砼新材料科技有限公司

Composite carrier SCR denitration catalyst and preparation method thereof

The present invention discloses a composite carrier SCR denitration catalyst which comprises a composite carrier, an active component, an auxiliary agent and a lubricant with a certain mass ratio; thecomposite carrier is a mixture of anatase type nano titanium dioxide and metal ion-modified attapulgite, and the activity component is vanadium pentoxide. By acidizing the attapulgite, the specific surface area is increased, the active sites are increased, and the adsorption capacity of easily poisoned elements in the flue gas is enhanced, so that the catalyst has better anti-poisoning ability. The metal ion-modified attapulgite and the nano titanium dioxide are used as a catalyst carrier, so that the catalyst reaction temperature range is broadened to 160 DEG C-420 DEG C, and in the temperature range, the catalyst is high in denitrification efficiency, good in stability and good in selectivity, and can be used for various types of industrial furnace denitrification. By taking attapulgiteas a main material, the cost of production is effectively reduced. The nano titanium dioxide particles can be packed into gaps of the attapulgite skeleton, thereby enabling the catalyst to be strongin structure stability, uneasy to crack after calcination at a high temperature and high in wear resistance.
Owner:DATANG NANJING ENVIRONMENTAL PROTECTION TECH
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