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Beam string structure
The invention relates to a string beam, which comprises a rigid beam, a bracing cable and a plurality of bracing bars, the upper ends of the bracing bars are hinged with the rigid beam, the lower ends of the bracing bars are fixedly connected with the bracing cable through rope clamping devices, the both ends of the bracing cable after being stretched are respectively and fixedly connected with the both ends of the rigid beam, the bracing cable is formed into broken lines in an axle symmetrical way, the adjacent two broken lines form a broken line angle, the various turning points of the broken lines are positioned on the identical parabola, each bracing bar is respectively positioned on the angle bisector of the broken line angle. The string beam of the invention can avoid the loose bracing cable generated by the slipping of a pre-stressed rope at the position of the rope clamping device when being used, and the potential safety hazard is eliminated.
Owner:CHINA JINGYE ENG +5
Method for designing child shoe tree ground pattern based on dynamic and static foot models
The invention discloses a novel method for designing a child shoe tree ground pattern based on dynamic and static foot models of children. The method comprises the steps of (1) collecting the dynamic and static foot models of the children; (2) extracting sole images from the dynamic and static foot models; (3) determining key points of dynamic and static sole images; (4) measuring the length and width sizes and angles of key portions of the dynamic and static sole images; (5) converting dynamic and static foot model data into shoe tree ground pattern data; (6) determining the shoe tree ground pattern data; (7) drawing shoe tree ground pattern figures. The method has the advantages of ingenious conception, accurate data and good repeatability, the dynamic and static foot model data of a 1: 1 ratio are acquired respectively through a pressure sensor and a three-dimensional laser scanner, and a conversion model for the dynamic and static foot model data and the shoe tree ground pattern data is established based on the difference between the dynamic and static foot models and the rule of the difference, so that the child shoe tree ground pattern capable of better meeting the foot development law of the children is designed, and shoes for the children made according to the child shoe tree ground pattern have higher comfort level.
Owner:SICHUAN UNIV
Vacuum negative pressure adsorption feeding device
Owner:LANUSS LNDUSTRIAL EQUIP SUZHOU CO LTD
Novel fishing net
InactiveCN104558793AHigh strengthGood knot strengthLow-density polyethyleneLinear low-density polyethylene
The invention relates to a novel fishing net which comprises high-density polyethylene, linear low-density polyethylene, triphenyltin, titanium dioxide, zinc oxide, dibutyl phthalate and sodium stearate. The diameter of the fishing line of the fishing net uniformly decreases from the traction part to the bottom; and the reduction of diameter of every 10m-long fishing line is 0.025-0.2mm. The novel fishing net provided the invention has the advantages of higher strength and sectional strength, higher fishing effect, greatly higher corrosion resistance and ultraviolet resistance, and longer service life.
Owner:巢湖市瑞强渔具有限责任公司
Novel high-temperature-resistant non-curing waterproof coating and preparation method thereof
InactiveCN110016291AImprove high temperature resistanceImprove adhesionFireproof paintsOther rubber coatingsPolymer sciencePolyamide
The invention belongs to the technical field of building materials, and provides a novel high-temperature-resistant non-curing waterproof coating. The coating is composed of the following components in percentage by weight: 25-35% of asphalt, 15-30% of rubber oil, 10-20% of waste tire rubber powder, 5-10% of styrene-butadiene rubber, 1-3% of styrene-butadiene-styrene (SBS), 4-10% of tackifying resin, 10-20% of fly ash, 2-5% of a high-temperature modifier and 2-5% of a viscosity reducer, wherein the high-temperature modifier is a BL modifier or polyamide wax. The preparation method is carried out by adopting a three-section-type feeding method and comprises the following steps: adding asphalt and rubber oil, carrying out heating to 150 DEG C, then adding the SBS, the styrene-butadiene rubber, the tackifying resin and the viscosity reducer, carrying out heating to 180 DEG C, then adding the fly ash and a high-temperature modifier, mixing the components at 180 DEG C to form a uniform liquid, and carrying out cooling and discharging to obtain the novel high-temperature-resistant non-curing waterproof coating. The invention solves the problem that a non-curing rubber asphalt waterproofcoating is poor in heat resistance.
Owner:河南驼峰防水科技有限公司
Novel modified asphalt waterproof coiled material and preparation method thereof
ActiveCN109881848AHigh soluble contentImprove impermeabilityRoof covering using flexible materialsProtective foundationElastomerBituminous waterproofing
The invention belongs to the technical field of building materials, and provides a novel modified asphalt waterproof coiled material. The novel modified asphalt waterproof coiled material comprises modified asphalt coating layers, a tire base layer and an isolation layer, wherein the material of the modified asphalt coating layer is modified asphalt, and the modified asphalt is prepared from the following components in parts by weight: 5-10 parts of 10# asphalt, 40-50 parts of 90# or 100# asphalt, 6-12 parts of softening oil, 4-6 parts of rubber powder, 3-5 parts of SBS, 2-4 parts of high density polyethylene, 0.2-0.6 part of triallyl isotactic cyanurate, 0.6-2 parts of dicumyl peroxide and 10-20 parts of filler. A preparation method comprises the following steps that firstly the modifiedasphalt is prepared by mixing materials and grinding twice; the modified asphalt is then coated on the upper surface and the lower surface of the tire base layer to obtain the tire base layer with themodified asphalt coating layers on both sides; and an isolation film is then coated to obtain the isolation layer, and forming by cooling is carried out to obtain the novel modified asphalt waterproof coiled material. The novel modified asphalt waterproof coiled material and the preparation method solve the problem of defects in high and low temperature resistance of elastomer modified asphalt and plastic modified asphalt waterproof coiled materials in the prior art.
Owner:包头市草原驼峰防水材料有限公司
Production system for manufacturing crossbeam or auxiliary beam of wind blade by adopting pull-extrusion molded plate
The invention discloses a production system for manufacturing a crossbeam or an auxiliary beam of a wind blade by adopting pull-extrusion molded plates. The production system comprises a stacking platform, bundling mechanisms and a lifting mechanism; a plurality of bundling mechanisms are arranged along the length direction of the stacking platform; the lifting mechanism comprises a crane, a lifting tool, a plurality of lifting appliances and telescopic rods; the telescopic rods are connected with the lifting tool and the lifting appliances, are rigid telescopic rods and correspond to the lifting appliances one by one in amount; and the plurality of lifting appliances are arranged in pairs along the length direction of the stacking platform. According to the production system disclosed by the invention, the stacking platform is used for assembling of the pull-extrusion molded plates; the assembled pull-extrusion molded plates are bundled to form a prefabricated beam; subsequently the prefabricated beam is conveyed to a specified position of a blade shell by using the lifting mechanism; by the rigid telescopic rods of the lifting mechanism, the prefabricated crossbeam or auxiliary beam of the wind blade and a fabricated plate layer are kept in an arc surface shape along the length direction and the width direction during a lifting process, are also free from deformation and need not to be adjusted again after being placed at the position of the shell; and the production system is low in cost and scientific and reasonable in design.
Owner:NEWTRY COMPOSITE
Sawmill grip feed mechanism
InactiveCN101259625ANot easy to looseLooseness will not occurFeeding devicesWood processorIndustrial engineering
The invention discloses a sawmill clamping feeding mechanism which belongs to the technical field of wood processing machine, wherein, a wood clamping device (5) is provided with a clamping head (8) which is used for clamping wood processed (4), a plurality of bulges are arranged on the contact surface of the clamping head (8) and the wood processed. By adopting the technical proposal, the sawmill clamping feeding mechanism has the advantages that the clamping is more reliable and the wood processed is uneasy to loose and to cause slide. The stable and reliable operation of the production of sawing and processing can be guaranteed, and the safety is better; thus realizing the automation of clamping. The precision of the clamping actions and the clamping time are higher, thereby reducing the intensity of labor of operation workers.
Owner:冯士祥
Polymers dispersed liquid crystal light valve and method for making same
InactiveCN101419358AReduce thicknessNo slidingPhotomechanical apparatusNon-linear opticsLiquid crystal light valveOptoelectronics
The invention provides a polymer dispersed liquid crystal (PDLC) light valve which is composed of an upper substrate and a lower substrate which are made of a flexible material as well as a PDLC material layer which is arranged between the upper substrate and the lower substrate by press fitting. The press fit surfaces of the lower substrate and the upper substrate are respectively plated with a lower ITO electrode and an upper ITO electrode, the surface of the lower ITO electrode is coated and cured with an insulating layer, and the PDLC material layer is coated on the insulating layer; and the surface of the upper substrate is also cured with a photoresist gap filler for controlling thickness of a box. The invention also provides a fabrication method of the polymer dispersed liquid crystal light valve. In the method, the PDLC light valve is made of flexible substrates, which solves the problem of fragmentation of the substrates, greatly reduces the thickness of the light valve, and ensures uniformity and consistency of the thickness of a light valve box.
Owner:BYD CO LTD
Multicolour screen printing machine
The present invention discloses a multicolour silk-screen printing machine, including machine frame, several printer heads mounted on the machine frame, drying equipment placed among the several printed heads, drive device, transfer device and final drying device. Said transfer device includes driving roller, driven roller, metal conveyer belt and stock fixing device, the driving roller or / and drive roller is equipped with driving pin which can be combined with pin hole on the metal conveyer belt, two sides of machine frame are equipped with spacing guideway respectively for preventing metal conveyer belt from producing jump and leftward and rightward displacement and ensusing striaght movement of the conveyer belt. Said invention is suitable for screen printing various materials.
Owner:安旭 +3
Epoxy non-cured rubber asphalt waterproof coating and preparation method thereof
InactiveCN107739575ASolve the problem of heating to constructionEnsure safetyFireproof paintsOther rubber coatingsSelf-healingEpoxy
The invention discloses an epoxy non-cured rubber asphalt waterproof coating and a preparation method thereof and belongs to the field of coatings. The coating comprises a component A and a componentB, wherein the component A is prepared from asphalt, plasticizers, polymer modifiers and epoxy resin; the component B is prepared from epoxy curing agents. The problem that the non-cured rubber asphalt waterproof coating can be constructed after the coating is heated can be solved; the coating is energy-saving and environmentally friendly; the safety of constructors is ensured; the construction operation is simplified; the application range of the product is expanded; the coating is excellent in construction performance, does not need to be heated in the whole construction process, is excellent in high-temperature performance, can achieve obstacle-free construction under high temperature and low temperature, and is high in flexibility, high in elongation rate, excellent in creep property,high in self-healing capability, high in water channeling resistance and high in adhesion performance.
Owner:SICHUAN SHUYANG WATERPROOF MATERIAL
Anti-shake type camera support for animation major
InactiveCN109469809AImprove stabilityEnhance the shake effectNon-rotating vibration suppressionStands/trestlesAnimationEngineering
The invention discloses an anti-shake type camera support for the animation major. According to the anti-shake type camera support, a telescopic driving piece, a damping adjusting piece and a lockingcomponent are arranged in an angle support component, wherein the damping adjusting piece can adjust the damping of the telescopic driving piece; the larger the damping, the better the anti-shape effect is during the adjusting process; and after the adjustment, the locking component is adopted for locking to avoid the following shaking problem and improve the shooting stability. A stability augmentation platform can greatly lower the gravity center of the camera support to improve the stability and reduce the shaking performance when the camera is moved; a spring anti-shake component can counteract shake through the counterforce generated by the spring, can effectively respond to the shake problem caused by the camera support and ensures the shooting quality; the camera support does not slide during the using process to facilitate stability; and in addition, the camera support is high in practicality and convenient to carry.
Owner:NORTHEAST DIANLI UNIVERSITY
Automatic fish feeding device capable of being adjusted and controlled
InactiveCN106804504AEnergy savingSimple structureClimate change adaptationPisciculture and aquariaEngineeringFish tank
The invention discloses an automatic fish feeding device capable of being adjusted and controlled. The device comprises a support (4), a rotary plate (6) and a water dripping device (7), wherein the support (4) is fixedly connected with a fish tank body, the rotary plate (6) is connected with the support (4) through a rotary shaft (5), and the water dripping device (7) is arranged on the upper side of the rotary plate (6). Water containing boxes (13) are evenly distributed on the outer ring of the rotary plate (6), a fish feed bin (14) is arranged on the inner ring of the rotary plate (6), a feeding inlet (9) and a discharging opening (12) are formed in the fish feed bin (14), and a feed baffle (8) is arranged at the feeding inlet (9). The device has the advantages that the device is free of electric power, safe, reliable, simple in structure, good in quality and low in cost, the feeding frequency is adjusted according to the water dripping speed, and the single-time feeding amount is adjusted according to the size of the discharging opening.
Owner:张家骥
Fiber grating strain sensor
InactiveCN102853778ALarge measuring rangeProne to elastic deformationUsing optical meansFiberShaped beam
The invention relates to a fiber grating strain sensor. An elastic strain sheet is provided with a longitudinal shaft and is symmetrical along the longitudinal shaft, the elastic strain sheet comprises a pair of symmetrical U-shaped beam elastic structures, a flat plate for connecting the U-shaped beam elastic structures, a groove used for placing fiber grating and located on the longitudinal axis of the elastic strain sheet, a pair of rectangular holes used for a tail fiber to penetrate and located at two ends of the groove, a temperature compensation device, a fixed device and a sheath fixing device. The fiber grating is arranged in the groove, two ends of the fiber grating are fixed at corresponding positions by using glass welding materials through a point welding mode, the tail fiber penetrates through the rectangular holes and are located on the other surface of the elastic strain sheet, a sheath is used for protecting, and the fiber grating strain sensor is formed by the elastic strain sheet, the fiber grating, the sheath and an auxiliary device. The fiber grating strain sensor is simple in structure, large in measuring range, convenient to install and capable of eliminating interference of temperature on the sensor effectively.
Owner:杭州珏光物联网科技有限公司
Solar parking shed
ActiveCN106703465ANot easy to damageChange anglePhotovoltaic supportsBuilding constructionsEngineeringElectric scooter
The invention discloses a solar parking shed, comprising supports; two opposing damping barrels are connected through a guide barrel and a telescoping rod, the guide barrel is provided with a telescoping adjusting knob, the lower ends of the supports are provided with a battery and an inverter respectively, a solar photovoltaic module is electrically connected to the battery, the battery is electrically connected to the inverter, the inverter is electrically connected to a charger for electric scooters, and the upper ends of two support rods on the same side are connected through a connection rod. Springs are arranged between the support rods and the damping barrels in the solar parking shed to achieve damping, so that the solar photovoltaic module is rarely damaged dural movement of the whole shed; after the shed is moved to a target location, nonslip barrels are rotated so that the whole shed never slides and better safety is provided; every two opposing support rods can be spaced apart to change the angle of the solar photovoltaic module, the angle is adjusted just by adjusting threaded barrels and the telescoping adjusting knobs, and adjustment is simple and convenient.
Owner:HUNAN XINGKE GREEN ENERGY TECH CO LTD
Underwater umbilical cable terminal base plate device
ActiveCN103883285AMeet the requirements of the installation bending radiusNot damaged by falling objectsBorehole/well accessoriesTerminal equipmentEngineering
The invention discloses an underwater umbilical cable terminal base plate device which comprises a slab foundation, a supporting platform installed on the slab foundation, rigid arms, a rear limiting block, a front limiting block and a protective cover arranged on the supporting platform. The rigid arms, the rear limiting block and the front limiting block are installed on the slab foundation. An umbilical cable terminal device support is arranged on the supporting platform, the two sides of the slab foundation are respectively provided with a pin shaft supporting base, and two supporting base lifting lugs pivoted to the rigid arms through pin shafts are arranged on the pin shaft supporting bases. Each rigid arm is mainly of a U-shaped pipe structure. The upper portion and the lower portion of the U-shaped pipe are provided with lifting lugs respectively. The front limiting block is arranged at the front end of the slab foundation, and the rear limiting block is arranged at the rear end of the slab foundation. The underwater umbilical cable terminal base plate device and umbilical cables can be laid and installed together, and operations such as underwater complex abutting connection and locking are avoided. In addition, the lower umbilical cable is prevented from being excessively bent, and the requirement for umbilical cable installation bent radius is met; an umbilical cable terminal can be prevented from being impacted and damaged by fallen objects, and the umbilical cable terminal device is effectively protected.
Owner:CHINA NAT OFFSHORE OIL CORP +1
A removable telescopic bus, subway handrail
ActiveCN109017495AReasonable locationEasy to useVehicle arrangementsRailway componentsHandrailPull force
The invention discloses a movable telescopic bus and a subway handrail, which comprises a rack straight rail and a brake box, wherein the rack straight rail is welded on the front and rear walls of the subway car, a slideway is arranged at the upper end of the rack straight rail, and a partition plate arranged horizontally is welded in the brake box. The utility model has the advantages that whenpassengers of different heights need different handrails, the handrails can be moved upward by pushing the handrails upward, and the handrails can be pulled downward by pressing the operating block; When the position of the handrail in the carriage is unreasonable, slightly push the handrail upward and pull the handrail to both sides, so that the position of the handrail can be moved, the positionof the handrail is more reasonable, and the handrail is convenient for passengers to use; When no one is using the armrest, the slight contact between the inner and outer friction plates prevents thebrake box from sliding relative to the rack rail. When the passenger pulls the armrest, the greater the downward pulling force on the armrest, the tighter the inner and outer friction plates are, andthe greater the frictional force is, so as to ensure that the armrest does not slip unnecessarily.
Owner:嘉兴市金辉建设有限公司
Method and device for conveying collection strip of multiway plume
The invention relates to a logistics conveying device, in particular to a collection strip conveying system of a multiway plume (boxlike wrappage) which is especially suitable for a collection strip and the conveying of the multiway plume between an overhead plume conveying belt and a case sealer and belongs to the technical field of tobacco machinery. In the method and the device, plumes from a multiway plume conveying belt are collected above the case sealer in a concentrated case-sealing workshop and vertically conveyed into separated unit spaces of a transversely-descended conveying belt at the lower part in sequence; and the distance between the two separated units on the transversely-descended conveying belt is equal to the distance between outlets of two vertical synchronous belts; and the plumes which are neatly arranged are conveyed into the case sealer and boxed at the tail end of the transversely-descended conveying belt. The method and the device can ensure that the plumes moves stably, has no impact and abrasion to the plumes, is simple in structure, does not occupy the ground space and can reduce the operation speed of the collecting strip conveying belt and the abrasion of machine elements.
Owner:黄超 +1
Backlight assembly
ActiveCN104964211ASimple connection structureEasy to assembleMechanical apparatusPoint-like light sourceLiquid-crystal displayLight guide
The invention discloses a backlight assembly which comprises a back board, frames and connecting pieces. A reflecting piece, a backlight LED light source, an acrylic light guide plate (PMMA) and an optical membrane are sequentially arranged on the back board from bottom to top. The back board is made of tempered glass, and the section of the back board is arc; the frames are made of aluminum alloy and comprise horizontal frames and vertical frames. The horizontal frames are provided with U-shaped grooves matched with the horizontal edges of the back board, the vertical frames are provided with U-shaped grooves matched with the vertical edges of the back board, and the back board is mounted in a quadrilateral U-shaped groove framework formed by the two horizontal frames and the two vertical frames. The horizontal frames and the vertical frames are connected through the connecting pieces. The backlight assembly has the advantages of a steel plate backlight assembly and a plastic backlight assembly, the process is simple, cost is low, the back board is high in hardness, and the cost performance is high; the backlight assembly is simple in structure, convenient to assemble, good in universality and capable of being widely applied to liquid crystal displayers and liquid crystal television products, especially curved-surface liquid crystal displayers and curved-surface liquid crystal television products.
Owner:陈祖华
Straw biological matrix seedling-raising disk and preparation method thereof
The invention provides a straw biological matrix seedling-raising disk and a preparation method thereof. The straw biological matrix seedling-raising disk includes a seedling-raising disk and a bottom film arranged thereunder. A matrix is filled between the seedling-raising disk and the bottom film. The seedling-raising disk includes waste paper pulp, bamboo pulp, straw powder, bio-gum, a composite micro-fertilizer and water. The matrix includes plant straw, a straw fermentation agent, an additive, a seedling strengthening agent and water. The bottom film is a bast fiber mulching film. The seedling-raising disk is simple and scientific in preparation method and is free of addition of any other chemical raw materials or fertilizers, so that the seedling-raising disk keeps the characters of the raw materials and has a certain effect. The technical scheme replaces soil and a plastic seedling-raising disk by the straw biological matrix, which reduces the damage of white pollution. By means of the straw biomass for culturing seedlings of paddy rice for replacing the technology of seedling cultivation in nutrient soil in production over the years, the seedling-raising disk solves the problem that cultivated land is damaged and soil is difficult to obtain by farmers during a paddy rice seedling-raising process. The seedling-raising disk fully utilizes straw regenerated resources, thereby reducing environment-pollution due to straw incineration and achieving energy saving and emission reduction.
Owner:HUBEI NIXIMI TECH CO LTD
Planting device capable of punching holes simultaneously based on landscape gardens
InactiveCN111512923AAffect growthAvoid affecting manpowerPlantingRoot feedersAgricultural engineeringStructural engineering
The invention provides a planting device capable of punching holes simultaneously based on landscape gardens, relates to the technical field of nursery stock planting, and aims to solve the problems that when an existing nursery stock transplanting device is in use, the depth of transplanted nursery stocks and soil cannot be controlled, the amount of transplanted soil cannot be controlled according to the sizes of the nursery stocks, and too much soil easily falls off in the moving process to cause easy breakage of roots of the nursery stock. The planting device comprises a main body and a moving part, wherein the main body is of an L-shaped structure, the section of the main body is of a cylindrical structure, and the bottom of the main body is of a conical structure; and a limiting platewith a cylindrical plate-shaped structure is arranged in the middle of the main body. The main body is used for driving the device to move, so that the device can be moved to a proper position for use, and when the device needs to be used for transplanting and planting, the baffles at different positions can be adjusted to move, so that the baffles at different positions can be pulled out.
Owner:汪明堂
Irregular circular small-diameter iron core winding machine
The invention discloses an irregular circular small-diameter iron core winding machine which comprises an integral active clamping frame, multiple coupler power drive devices, a copper wire hooking device and a PLC system. The machine is characterized in that a left clamping arm, a right clamping arm and a resin wheel at the front end of a middle clamping arm are arranged on the same circle, and the other end is provided with a micro cylinder; each transmission rod in the coupler power drive devices is composed of a sleeve outside and a shaft inside, grooves are milled in the axis direction of the sleeves, rotary pins are arranged on the shafts, the shafts and the sleeves move up and down along the axis, and power of couplers is transmitted to the resin wheel from the shafts through the sleeves; the lower portion of the copper wire hooking device is connected with a supporting frame through a cylinder via bolts; the PLC system controls the rotation speed, forward rotation or reversing rotation of a speed reduction motor, starting or stopping and a limiting position of the cylinder. The winding machine effectively reduces labor intensity and work time of winding workers and improves the automation level during work.
Owner:ZAOZHUANG JINGNENG ELECTRONICS TECH
Symmetrical double-shear interface adhesion test device and test method
ActiveCN110455643AHigh control precisionImprove efficiencyMaterial strength using steady shearing forcesHinge angleEngineering
Owner:HOHAI UNIV
Process method for producing tool through caulking groove substrate
The invention discloses a process method for producing a tool through a caulking groove substrate. The process method comprises the following steps of (1) substrate preparing, (2) substrate cleaning,(3) high-speed steel bar embedding, (4) vacuum welding, (5) tempering, (6) straightening, (7) accurate grinding, (8) blade planing, (9) long blank cutting, (10) blade accurate grinding, (11) tool cutting, (12), perforating, (13), straightening and (14) cleaning, rust prevention and finished product packaging. By means of the process, the machining steps and process are shortened, the machining difficulty is reduced, the machining efficiency is improved, the machining cost is saved, and the machining yield and the stability of quality and performance are improved.
Owner:DONGE LIYUAN MACHINERY KNIFE
Upper chord inspection vehicle
InactiveCN103741598AEnsure safetySolve technical problems with poor stabilityBridge structural detailsWave shapeBridge deck
The invention relates to an upper chord inspection vehicle which comprises a horizontal truss, walking mechanisms and vertical trusses. Two groups of vertical trusses are symmetrically arranged at two ends of the horizontal truss, and two groups of walking mechanisms are symmetrically arranged at two ends of the horizontal truss. Every group of walking mechanism comprises a main supporting mechanism, a walking driving mechanism, a walking beam, an addition part catching device and a guiding supporting wheel set for walking on a bridge, wherein the main supporting mechanism is rotatably connected with the middle of the walking driving mechanism through a horizontal truss supporting shaft, the guiding supporting wheel set is arranged below the walking beam, and the two groups of addition part catching devices are arranged below the walking beam. The upper chord inspection vehicle has the advantages that the technical problem that an existing bridge detection operation vehicle is not suitable for walking on an upper chord above the wave-shaped bridge and is simultaneously poor in stability is solved, the influence on bridge deck traffic is avoided simultaneously, and a detection path can cover a whole bridge body.
Owner:武汉辉创桥梁维护工程有限公司
Coil holding member for holding motor coil and method for manufacturing motor stator
ActiveCN104242522AQuick installationLow costWindings insulation shape/form/constructionManufacturing dynamo-electric machinesElectric machineEngineering
The invention relates to a coil holding member for holding a motor coil and a method for manufacturing a motor stator. A coil holding member (30) for holding a coil (20) for a motor and a method for manufacturing a stator for the motor are provided. The coil holding member (30) comprises first and second cold racks (31, 32) for being installed on a stator section (12) in this manner, and the first and second cold racks (31, 32) are used to hold the coil (20) on the stator section (12) and configured to separate the coil (20) and the stator section (12).
Owner:ROBERT BOSCH GMBH
High-efficiency packing for counter flow cooling tower
The invention discloses high-efficiency packing for a counter flow cooling tower. The packing is combined by a plurality of waveform packing sheets, and a corresponding thermal mass exchange zone is formed on each packing sheet, wherein the packing sheets are of ladder shaped waveform, and are crossed and overlapped to form a packing body; and a fluid channel is formed among waveforms of the packing sheets. By the high-efficiency packing, the relationship between the specific surface area of the packing and the resistance is optimized, and assembly blocks are adhered by glue, so the packing is convenient to assemble.
Owner:SHANGHAI KING SUN COOLING EQUIP
Longitudinal drawing device
Provided is a longitudinal drawing device capable of reducing the occurrence of transfer damage, scratches, or the like on a thermoplastic film when drawn longitudinally. Specifically, a longitudinaldrawing device (5) draws a thermoplastic film (F), heated by heating rolls (13), by means of a difference in peripheral speed between a plurality of low-speed driving rolls (8) and a plurality of high-speed driving rolls (9). The plurality of low-speed driving rolls (8) and the plurality of high-speed driving rolls (9) are respectively composed of suction rolls having low-speed-side suction holes(8b) and high-speed-side suction holes (9b) which are a plurality of suction holes in conveyance surfaces thereof for conveying the thermoplastic film (F). A plurality of the heating rolls (13) are provided between adjacent low-speed driving rolls (8) and high-speed driving rolls (9). Each of the plurality of heating rolls (13) is provided with a following electric motor (15) serving as an actuator. Each of the plurality of heating rolls (13) is configured to be independently rotationally drivable. The output torque of each of the following electric motors (15) is controlled so as to coincidewith a target value set for each of the following electric motors (15).
Owner:TORAY ENG CO LTD
Method and apparatus for mechanical fixation of dynamic extensometer in high temperature fatigue test
The invention discloses a method and apparatus for mechanical fixation of a dynamic extensometer in a high temperature fatigue test. According to the method, two U-shaped plates with specially-produced V-shaped grooves are fixed on the surface of a fatigue test piece through fastening screws and the front end of the high temperature dynamic extensometer is embedded into the two V-shaped grooves, so sliding of the dynamic extensometer in the process of fatigue testing is avoided. The apparatus is mainly composed of thin plates and the fastening screws, wherein the thin plates are equipped with the specially-produced V-shaped grooves. The apparatus is simple in structure and easy in processing. According to the invention, on the basis that the surface morphology of the fatigue test piece is not changed, sliding of the dynamic extensometer in the process of high temperature fatigue testing is effectively avoided, deformation of the test piece in the process of fatigue testing is accurately measured, and smooth implementation of fatigue testing is guaranteed; and the apparatus has the characteristics of good versatility, simple operation, easiness in processing and repeated usability.
Owner:NANJING UNIV OF TECH
Heat reflection type colored spray-quick-setting rubber-asphalt waterproof coating material and preparation method therefor
ActiveCN109280452AHigh solid contentWater-based environmental protectionRosin coatingsConjugated diene hydrocarbon coatingsNano zinc oxideAsphalt
The invention provides a heat reflection type colored spray-quick-setting rubber-asphalt waterproof coating material. The waterproof coating material is characterized by comprising a component A and acomponent B, wherein the component A comprises the following ingredients: emulsified modified asphalt, fillers, an infrared reflection pigment, nano zinc oxide, a dispersant, latex, a bactericide, water and color paste. The component B is prepared through mixing calcium chloride, sodium chloride and water according to the mass ratio of 7.8: 0.2: 92. The waterproof coating material is aqueous andenvironmentally friendly and is high in adhesion and high in bonding strength.
Owner:WEIFANG HONGYUAN WATERPROOF MATERIAL +3
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