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33results about How to "Strong and firm" patented technology
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Triangular part plugged-connection stereoscopic shape
The invention provides a triangular part plugged-connection stereoscopic shape and relates to a manufacturing method of the stereoscopic shape. The stereoscopic shape is formed by 20 same parts through plugged connection. A piece of rectangular paper is divided into four small identical rectangles, the length-to-width ratio of each small rectangle is 1:0.5774, and the small rectangles are folded along longitudinal reverse-folding lines to form the stereoscopic shape defined by three sides, folded along diagonal forward-folding lines to form a multilateral shape and folded along connecting forward-folding lines and angular bisectors to form a part provided with a folded plug-in portion and a folded plugged opening. One folded plug-in portion 2 of the part 1 is inserted into the folded plugged opening. By adopting the plugged connection, a part 2 is plugged into a part 3, the part 3 is inserted into a part 4, the part 4 is plugged into a part 5, and the part 5 is plugged into the part 1, namely a pentagonal combined part is formed. By adopting the plugged connection, 20 parts are subjected to the plugged connection to form the triangular part plugged-connection stereoscopic shape formed by 12 pentagonal combined parts. The triangular part plugged-connection stereoscopic shape is ingenious in concept, novel in design, attractive and elegant in appearance, sound and firm. The parts are easy to manufacture, and combined plugged connection is simple.
Owner:马景凤
Stirring device
PendingCN107670522AStir wellHigh tin contentTransportation and packagingRotary stirring mixersVertical projectionWastewater
The invention relates to a stirring device. The stirring device comprises a main shaft and at least two stirring paddles. The stirring paddle comprises a cylindrical part provided with a central through hole and three blades. The three blades are uniformly fixed to the outer circumferential surface of the cylindrical part. The stirring paddles respectively pass through the central through holes ofthe cylindrical parts and are fixed to the main shaft. The two adjacent stirring paddles are arranged on the main shaft at a certain interval. The overlooking projections (vertical projections) of the three blades of the stirring paddle along the main shaft central axis are not coincident. The stirring device can fully stir de-tinning waste water materials in a reactor, improves product tin content and production efficiency and has the advantages of simple structure, high production efficiency and good quality.
Owner:深圳市宝安东江环保技术有限公司 +1
Package type glue-free spring mattress and processing method thereof
InactiveCN103126385AReasonable structureStrong and firmStuffed mattressesSpring mattressesEngineering
The invention discloses a package type glue-free spring mattress and a processing method of the package type glue-free spring mattress. The package type glue-free spring mattress comprises a spring core body, wherein a needle-punched hard cotton layer, a non-woven layer, a comfortable layer and a front fabric layer are sequentially arranged above the spring core from bottom to top; the needle-punched hard cotton layer and a bottom fabric layer are sequentially arranged below the spring core from top to bottom; and no glue is arranged between every two layers. The package type glue-free spring mattress is processed by using the processing method with high production efficiency, low production cost and environment protection; and meanwhile, the processing method of the package type glue-free spring mattress has the advantages of good smoothness, firm structure and environment protection.
Owner:DAYI BED IND SHANGHAI
Packing box anti-vibration structure
InactiveCN103662447AAvoid vibrationStrong and firmRigid containersDamagable goods packagingSoft materialsEngineering
The invention provides a packing box anti-vibration structure. The packing box anti-vibration structure mainly comprises a box body and a box cover, wherein four sides of the box body with every two sides connected with each other are of double-layer structures composed of inner sides and outer sides, the bottom surface of and the four sides of the box body are positioned on an identical piece of packing box paper, spaces between the inner sides and the outer sides are filled with soft materials, and a plurality of parallelly and densely arranged inner box bodies are arranged in the box body. The box cover mainly comprises an inner top, an outer top, an inner side wall and an outer side wall which are positioned on the same piece of packing box paper, and the inner top, the outer top, the inner side wall and the outer side wall form a double-layer structure. According to the packing box anti-vibration structure, the parts forming the box body are positioned on the same packing box paper, the whole box body is firm and convenient to manufacture, mutual extrusion or vibration of injection bottles placed in an inner box is effectively avoided in the transport process, and the packing box anti-vibration structure is extremely good in anti-vibration function.
Owner:昆山亿达包装有限公司
Boxed article automatic boxing technique and automatic boxing integrated machine
PendingCN107651245AStrong and firmGuaranteed to be strong and stableWrapper twisting/gatheringIndividual articlesProcess engineeringManufacturing line
The invention discloses a boxed article automatic boxing technique and an automatic boxing integrated machine. The boxed article automatic boxing technological process is reasonable, the stability ofpaper boxes can be improved, and the production efficiency can be greatly improved. The automatic boxing integrated machine comprises an open box bottom-sealing section, a boxing section and a box sealing section, automatic butt joint is conducted between the three production lines, and integral operation including automatic open box bottom-sealing of the paper boxes, boxed article automatic grouping, conveying of boxed articles to fixed grabbing points, loading of the box articles, putting-in of partition plates and certificates of quality and box sealing can be automatically achieved, in thebottom-sealing and box sealing processes of the paper boxes, the hot melt glue spraying technique is additionally implemented, and thus the firmness and stability of the paper boxes can be ensured.
Owner:WUXI LION MEDICAL AUTOMATION TECH
Metal fiber-based special high-temperature-resistant flue gas dust removal filter felt and preparation method thereof
PendingCN108499221AGuaranteed filtering effectControl particlesDispersed particle filtrationMembrane filtersFlue gasMetal fibers
The invention discloses metal fiber-based special high-temperature-resistant flue gas dust removal filter felt and a preparation method thereof. The filter felt is obtained by needling polyimide fiberlayers on the faces of a metal fiber base material and then conducting reinforcing and compositing through main needling or spunlace and heat setting treatment. The filter felt has the advantages that the extreme high-temperature reaching 400-5,000 DEG C can be borne, in high-temperature glue gas dust removal, the filter property of the product can be kept, and PM2.5 particles are effectively controlled.
Owner:SHANGHAI BG INDAL FABRIC
Packaging box structure
InactiveCN103662308AAvoid vibrationStrong and firmLinings/internal coatingsContainers to prevent mechanical damageWine bottleEngineering
The invention provides a packaging box structure. The packaging box structure mainly comprises an outer box body, a box cover and an inner box body; the four lateral sides of the outer box body, which are connected with each other pairwise, are of a double layer structure which is formed by the inner lateral sides and the outer lateral sides; the bottom surface and the four lateral sides of the outer box body are arranged on the same packaging box paper; the box cover mainly comprises the inner top, the outer top, the inner side walls and the outer side walls which are arranged on the same packaging box paper; the top and the side walls of the box cover are of double layer structures which are formed by inner layers and outer layers; the inner box body is accommodated in the outer box body and mainly comprises an upper cover and a lower cover; the upper cover and the lower cover are covered together to form the chamber for placing a wine bottle; the chamber is provided with two arc-shaped clamping places which are used for correspondingly placing the bottle bottom and the bottleneck of the wine bottle respectively. The portions forming the box bodies are arranged on the same packaging paper and accordingly the integral packaging box structure is solid and firm and the production is convenient. The shake of the wine bottle which is placed in the inner box body is effectively prevented in the process of transportation and the shockproof function is good.
Owner:昆山亿达包装有限公司
Low-position few-fulcrum modularized integral jacking steel platform formwork system
ActiveCN101949211BAchieve modularityLow costForms/shuttering/falseworksArchitectural engineeringStructural engineering
Owner:CHINA CONSTR THIRD ENG BUREAU GRP CO LTD +1
Airborne drilling and splitting combined machine
PendingCN113445914AEasy to manufactureLow failure rateConstructionsDisloding machinesAutomated miningControl engineering
The invention discloses an airborne drilling and splitting combined machine. The airborne drilling and splitting combined machine comprises a mounting frame and a transposition plate, wherein the mounting frame is provided with a slewing bearing; the slewing bearing is connected with a hanging lug; a rotation degree control device is arranged between the hanging lug and the mounting frame; the rotation degree control device is linked with the slewing bearing; rails are oppositely arranged at the upper end and the lower end of the mounting frame; each rail is provided with at least two rail wheels; wheel shafts of the rail wheels are relatively fixed with the transposition plate; a distance control device is arranged between the transposition plate and the mounting frame; the transposition plate is fixedly provided with a drilling module and a splitting module, and the working directions of the drilling module and the splitting module are vertical to the rails; and the mounting frame is provided with a positioning rod, and the working direction of the positioning rod is vertical to the rails. The transposition plate, the rotation degree control device and the distance control device are arranged so that the drilling module and the splitting module can realize controllable selection of angles and distances, and furthermore, the technical effect of efficiently and automatically mining stones with different inclination degrees on the surfaces can be realized.
Owner:JIANGSU ZHONGJI MINE EQUIP
Folding method of regularly-triangular paper box
The invention provides a folding method of a regularly-triangular paper box and relates to a manufacturing method of a paper ware. The method comprises the following steps of: taking rectangular paper and making folding lines; upward folding lower parts according to a first transverse positive folding line and fitting; folding the folded rectangular paper according to three vertical reversed folding lines and plugging the left and right ends of the folded rectangular paper to form a three-dimensional shape enclosed by three faces of a horizontal plane regular triangle; folding a second rectangle according to positive folding lines of diagonal lines and fitting to form a horizontal shape; folding according to positive folding lines of inclined lines to form a regularly-hexagonal horizontal shape, wherein the middle part of the regularly-hexagonal horizontal shape is a regular triangle overlapped with the horizontal plane regular triangle, and the outer part of the overlapped regular triangle is provided with three isosceles triangles which take edges of the regular triangle as bottom edges; making bottom edge reversed folding lines at the bottom edges of the three isosceles triangles; and downwardly folding the three isosceles triangles for 90 degrees according to the bottom edge reversed folding lines and folding into an interlayer to make the regularly-triangular paper box. The folding method of the regularly-triangular paper box disclosed by the invention has the advantages of ingenious concept, unique design, simple method, easiness for manufacturing, stiff and smooth appearance, attractive appearance, firmness and fastness, and durability in use.
Owner:龚元
Crossed five-connected box
The invention provides a crossed five-connected box, and relates to a manufacturing method a paper utensil. The crossed five-connected box is formed by combining two components, rectangular paper with the transverse length and longitudinal width and with the length-to-width proportion being 3:1 is taken to be made into a first component with a U shape formed between two rectangular boxes; the same paper is used for being made into a three-connected box which is a second component; the first component and the second component are buckled in a crossed shape, i.e., the second component is arranged inside the U shape of the first component, the U-shaped vertical part, longer than the rectangular box, of the first component is inserted into a diagonal line sandwich layer of the box outer side of the second component; after the complete insertion, the crossed five-connected box with the four rectangular boxes and one square box positioned in the same plane is formed. The crossed five-connected box has the advantages that the design is ingenious, the structure is precise, the manufacturing method is precise and simple, the form features are obvious, rich geometrical attractive appearance is realized, firmness is realized, and the practicability is high.
Owner:李平
A medicine delivery device for a nasal cavity
PendingCN109172962ANice appearanceFeel goodMedical devicesMedical atomisersNasal cavity massConical cavity
A medicine delivery device for a nasal cavity comprises a medicine storage bottle body (2), a pump (3) arranged on the medicine storage bottle body (2) and a push button (4), wherein the bottom of theliquid storage cavity of the medicine storage bottle body (2) is a conical cavity or a conical mesa cavity, and the lower end of the liquid suction pipe head (6) located in the middle of the liquid storage cavity of the medicine storage bottle body (2) is adapted to the bottom of the liquid storage cavity of the medicine storage bottle body (2) for fully sucking the medicine liquid; the medicinestorage bottle body (2) is provided with a shell (1) capable of partially or completely wrapping the medicine storage bottle body (2), and the shell (1) and the medicine storage bottle body (2) are kept in a connected state when the shell (1) is opened to expose the medicine feeding part of the medicine storage bottle body (2). The liquid suction pipe head in the nasal cavity medicine delivery device of the invention can sufficiently absorb the medicinal liquid in the liquid storage chamber; and a housing is always connected with the medicine storage bottle body, and a child safety device is arranged on the housing to prevent contamination and avoid the waste of the medicine liquid caused by misoperation.
Owner:南京樟益医药科技有限公司
Salt sculpture coating and preparation method thereof
ActiveCN107523184AFine surface with few bumpsStrong and firmOrnamental structuresPretreated surfacesEpoxyAliphatic amine
The invention discloses a salt sculpture coating and a preparation method thereof. The salt sculpture coating comprises at least one salt sculpture coating body, wherein the salt sculpture coating body is prepared from epoxy resin and a curing agent through mixing, and the curing agent is one or more of an aliphatic amine compound, an aromatic amine compound, an acylamino amine compound and a latent curing amine compound, and epoxy resin and the curing agent are in a weight ratio of (2-20): 1. The preparation method of the novel salt sculpture coating is simple and convenient to operate and good in effect, the salt sculpture coating prepared with the technological method has the advantages of few fine bulges, bright color and high attractiveness and is firm and not susceptible to impurity colors and other defects, and defects that traditional salt sculptures are susceptible to moisture melting, broken when touched and prone to color changing, fail to meet required whiteness and the like are overcome.
Owner:WUDI SALT IND
Round-concave integrated wallpaper wall cloth printing and embossing production line
InactiveCN113415073AStrong and firmImprove feeding efficiencyLamination ancillary operationsLaminationThermal deformationMechanical engineering
The invention discloses a round and concave integrated wallpaper wall cloth printing and embossing production line which comprises a first supporting frame, a left top mounting frame, a gluing mechanism, a second supporting frame, a right top mounting frame, an embossing mechanism and a material receiving mechanism. The upper end of the first supporting frame and the upper end of the second supporting frame are both supported on the lower end face of the left top mounting frame; and a plurality of sets of second tension rollers and a set of sizing material pressing mechanism are installed on the upper end face of the left top installation frame, and a PVC discharging mechanism is arranged at the left side of the first supporting frame. According to the circular-concave integrated wallpaper wall cloth printing and embossing production line, physical plastic deformation pretreatment is conducted on a printing material through traction preheating, so that the quality problem caused by thermal deformation of the printing material in the printing process is reduced, the preheating area of large hot rollers is large, the attaching effect is stable and firm, and meanwhile, the influence of chromatic aberration on the printing material is reduced; and an embossing unit adopts a high-pressure hydraulic structure, profound and powerful effects are achieved, and cooling and shaping are then carried out, so that a product has vivid, fine and three-dimensional effects.
Owner:安徽辉盛机电科技有限公司
Three-dimensional plug-in triangular parts
InactiveCN104002506BEasy to manufactureIngenious ideaPaper/cardboard articlesDiagonalThree dimensional shape
Owner:马景凤
Wrapped rubber-free spring mattress and processing method thereof
InactiveCN103126385BReasonable structureStrong and firmStuffed mattressesSpring mattressesEnvironmental resistanceEngineering
Owner:DAYI BED IND SHANGHAI
A bicycle anti-theft device
ActiveCN106985935BImprove securityAchieve unlockAnti-theft cycle devicesSteering deviceControl engineeringStructural engineering
Owner:GUANGZHOU UNIVERSITY
A kind of salt carving coating and preparation method thereof
ActiveCN107523184BFine surface with few bumpsStrong and firmOrnamental structuresPretreated surfacesEpoxyAliphatic amine
Owner:WUDI SALT IND
Double-head pallet car furnace
Owner:JIANGSU GAOHAO IND FURNACE
Insulator supporting frame
InactiveCN102646493AImprove securityImprove reliabilityInsulatorsEngineeringElectrical and Electronics engineering
The invention relates to an insulator supporting frame, comprising an insulator supporting transverse beam, wherein a bent part is upwards formed at two ends of the insulator supporting transverse beam; two parallel insulator mounting beams are vertically and fixedly arranged on the bent part; an insulator supporting auxiliary beam is fixedly arranged at the lower part of the insulator supporting transverse beam in parallel; two ends of the insulator supporting auxiliary beam are fixedly installed with the insulator mounting beams by inclined beams; and U-shaped clamping hoops are respectively mounted in the middle of the insulator supporting transverse beam and the middle of the insulator supporting auxiliary beam. The insulator supporting frame provided by the invention has the advantages of simple structure, scientific and reasonable design, simplicity in manufacturing, lower cost, firmness and stability, safety and reliability, convenience for maintaining and repairing, and longer service life.
Owner:TIANJIN XINXIANG METAL PRODS
Construction method of concrete arch-shaped lintels of doors and windows
InactiveCN107090944AEasy to pourEasy constructionGirdersForms/shuttering/falseworksSite modelArch height
The invention discloses a construction method of concrete arch-shaped lintels of doors and windows. The construction method is characterized by comprising the following steps: (1) manufacturing a window hole die applied to arch-shaped doors and windows by cold bending steel bars with certain diameter according to radian of the arch-shaped doors and windows, completing pay-off radian of the steel bars and then welding and reinforcing the steel bars, wherein rigidity and stability of the die need to be ensured, and the size requirements such as arch height, chord length and radian of an arc and the like need to be ensured in the welding process; and (2) manufacturing a bottom template by determining the size of the bottom template according to the bottom size of the window hole die, wherein the bottom template adopts a rectangular wood board, and the length and the width are consistent with the bottom size of the window hole die. The construction method of the concrete arch-shaped lintels of doors and windows adopts an on-site model casting method; the method is simple and convenient to construct, easy to operate, low in manufacturing cost and excellent in construction effect; the arch parts can be conveniently cast and are solid and firm.
Owner:QUFU NORMAL UNIV
Full-automatic medical-treatment test tube cutting machine
InactiveCN108545922AEasy to fixAvoid damageGlass severing apparatusWater dischargePulp and paper industry
The invention discloses a full-automatic medical-treatment test tube cutting machine. A base is arranged at the bottom of a device body, a waste material tank is mounted at one end in the base, a water discharging pipe is arranged at the bottom end of the waste material tank, a water tank is arranged at the bottom of the water discharging pipe, a fixed clamp is mounted at the top of the conveyingpart, a test tube is placed in the fixed clamp, an HGBLM-04 ranging sensor is mounted at one end of the conveying part, and a programmable controller is mounted on one side of the water tank; and a bracket is fixedly connected to the top of the base, an electric cylinder is mounted at the top of the bracket, a push rod is arranged at the bottom end of the electric cylinder, a Y355 electric motor is mounted at the bottom of the push rod, a cutting knife is mounted at one end of the Y355 electric motor, an operation panel is mounted at one end of the bracket, and castors are mounted at the bottom of the base. According to the full-automatic medical-treatment test tube cutting machine, the test tube is arranged in the fixed clamp, and anti-sliding mats are arranged in the middles of the fixedclamp and the test tube, so that the fixation effect of the test tube is improved, the sliding of the test tube is avoided, and meanwhile, a certain protection effect on the test tube is achieved.
Owner:王品芳
Packing box structure
The invention provides a packing box structure. The packing box structure mainly comprises a box body, a box cover and an inner box formed by folding paper, wherein four sides of the box body with every two sides connected with each other are of double-layer structures composed of inner sides and outer sides, the bottom surface of and the four sides of the box body are positioned on an identical piece of packing box paper, and the top and a side wall of the box cover are of double-layer structures composed of inner layers and outer layers. The box cover mainly comprises an inner top, an outer top, an inner side wall and an outer side wall which are positioned on the same piece of packing box paper. The inner box is fixed in the box body, the folded section is provided with at least two protrusions, wherein a first protrusion is provided with a first opening for clamping an oral liquid bottleneck, and a second protrusion is provided with a second opening for clamping an oral liquid bottle body. The parts forming the box body are positioned on the same packing box paper, the whole box body is firm and convenient to manufacture, and the inner box is foldable, small in size, convenient to transport and good in anti-vibration effect and does not easily squeeze an oral liquid bottle in transportation.
Owner:昆山亿达包装有限公司
Hollowed-out cube
InactiveCN104890302AEasy to makeEasy to plug inPaper/cardboard articlesWidth ratioCombination square
The invention provides a hollowed-out cube, and relates to a manufacturing method for a solid figure. The hollowed-out cube is formed by assembling twelve same components. The method comprises: taking a piece of rectangular paper whose length-to-width ratio is 4 to 3, making oblique line positive broken lines, and folding the paper into a hexagon shape according to the lines; making a long reverse broken line on the hexagon; according to a left longitudinal positive broken line and a right longitudinal positive broken line, folding the left part and the right part of the hexagon to the middle part, to form an interlayer longitudinal small rectangle; making a short reverse broken line; and plugging of two components: the insertion portion of a first component being inserted into an inserted opening of an inserted portion of a second component, inserting until the intersection points of the insertion portion and the inserted portion overlap, the short reverse broken line of the insertion portion being overlapped with the long reverse broken line of the inserted portion; plugging three components to form a combined corner; plugging four components to form a plane of a combined square; plugging twelve components to form the hollowed-out cube with six combined square planes and eight combined corners. The hollowed-out cube is exquisite in design and regular in folding, simple in component manufacturing, easy in plugging, beautiful and elegant in appearance, and is firm.
Owner:李伯姗
Combined vertical hanging and dry hanging system
The invention discloses a combined vertical hanging and dry hanging system which comprises a U-shaped base, the U-shaped base is fixed to a wall through explosive screws, a vertical keel is installed on the U-shaped base, a connecting base is installed in the vertical keel, a transverse keel is installed on one side of the connecting base, and the connecting base and the transverse keel are fixedly clamped to the vertical keel through screws. The hanging pieces are installed on the transverse keels, the rock plates are installed on the hanging pieces, the rock plates are installed on the transverse keels through the hanging pieces, the U-shaped base is arranged, the vertical keels are installed on the U-shaped base, then the transverse keels are installed on the vertical keels, the hanging pieces are installed on the transverse keels, and the rock plates are installed on the hanging pieces. The novel rock plate is simple in structure, easy to process, low in cost, capable of solving the problems that the rock plate is not environmentally friendly, free of glue and bottoming, uneven in wall surface, difficult to install and the like, firm and easy to assemble and disassemble, and the use of fasteners is reduced, so that the rock plate is more convenient and quicker to assemble and disassemble.
Owner:佛山市速居家居科技有限公司
Folding method of regularly-triangular paper box
The invention provides a folding method of a regularly-triangular paper box and relates to a manufacturing method of a paper ware. The method comprises the following steps of: taking rectangular paper and making folding lines; upward folding lower parts according to a first transverse positive folding line and fitting; folding the folded rectangular paper according to three vertical reversed folding lines and plugging the left and right ends of the folded rectangular paper to form a three-dimensional shape enclosed by three faces of a horizontal plane regular triangle; folding a second rectangle according to positive folding lines of diagonal lines and fitting to form a horizontal shape; folding according to positive folding lines of inclined lines to form a regularly-hexagonal horizontal shape, wherein the middle part of the regularly-hexagonal horizontal shape is a regular triangle overlapped with the horizontal plane regular triangle, and the outer part of the overlapped regular triangle is provided with three isosceles triangles which take edges of the regular triangle as bottom edges; making bottom edge reversed folding lines at the bottom edges of the three isosceles triangles; and downwardly folding the three isosceles triangles for 90 degrees according to the bottom edge reversed folding lines and folding into an interlayer to make the regularly-triangular paper box. The folding method of the regularly-triangular paper box disclosed by the invention has the advantages of ingenious concept, unique design, simple method, easiness for manufacturing, stiff and smooth appearance, attractive appearance, firmness and fastness, and durability in use.
Owner:龚元
Plastic and metal combined tap handle
InactiveCN108105463AReduce labor costsNot easy to damageOperating means/releasing devices for valvesEngineeringCopper
The invention discloses a plastic and metal combined tap handle. The plastic and metal combined tap handle comprises a plastic handle body; a cover body is arranged at one end of the plastic handle body; a cavity is formed in the cover body; a counterweight block is positioned in the cavity, and comprises an iron block; a plastic shell coats the iron block; a lower convex part projected at the bottom of the cavity is arranged at the bottom of the plastic shell; a valve rod insertion hole is formed in the lower convex part; a through hole is formed in the back side of the valve rod insertion hole; and a copper nut is mounted in the through hole. Compared with the prior art, the plastic and metal combined tap handle has the following advantages: production procedures, materials and labor costs of the plastic and metal combined tap handle are directly reduced to 1 / 3 of that of a traditional process handle; and the plastic and metal combined tap handle is environment-friendly, free of poison and pollution, rigid, stable and not easy to damage.
Owner:权泰荣
Metal composite sound insulation plate and processing technology thereof
PendingCN107524244AImprove fire performanceWaterproof and moistureproofLaminationLamination apparatusSteel platesAcoustic board
Owner:CHONGQING LANGFU ENVIRONMENTAL PROTECTION TECH
Bicycle anti-theft device
ActiveCN106985935AImprove securityAchieve wholenessAnti-theft cycle devicesSteering deviceLocking mechanismEngineering
The invention provides a bicycle anti-theft device comprising a handle mechanism and a locking mechanism. The handle mechanism comprises a transverse handle, a first folding handle, a second folding handle and connecting pieces. The first folding handle is mounted on one side of the transverse handle through the corresponding connecting piece. The second folding handle is mounted on the other side of the transverse handle through the corresponding connecting piece. The locking mechanism comprises a lock body assembly and a lock cylinder assembly. The lock cylinder assembly is mounted at the rear end of the first folding handle. The lock body assembly is mounted at the rear end of the second folding handle. In the normal state, the lock cylinder assembly and the lock body assembly are separated, and the front ends of the first folding handle and the second folding handle both are embedded inside the transverse handle. In the locked state, the first folding handle and the second folding handle are in a folding downward state, and the lock cylinder assembly and the lock body assembly are connected together and penetrate through a front wheel of a bicycle. The structure is solid and firm, anti-theft performance is good, intelligent bicycle lock opening and closing can be achieved effectively, and the safe reliability, convenience and practicability of the bicycle anti-theft system are improved.
Owner:GUANGZHOU UNIVERSITY
Black steel fiber reinforced concrete
Black steel fiber reinforced concrete which can be rapidly solidified, has high strength and good durability, and is not easy to crack and damage is provided by the invention. The black steel fiber reinforced concrete is prepared from the following raw materials in percentage by weight: 20%-30% of sulphoaluminate cement, 30%-40% of aggregate, 30%-40% of quartz sand, 1%-2% of steel fibers, 0.1%-0.3% of PP fibers, 0.2%-0.5% of carbon black, 0.1%-0.3% of a retarder, 0.5%-1% of an expanding agent, 0.2%-0.5% of an air entraining agent, 0.08%-0.12% of a water reducing agent and 0.5%-1% of a coagulant.
Owner:深圳立强材料科技有限公司
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