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81results about How to "Reasonable support" patented technology
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Device used for mechanical property testing of high-temperature superconducting strip and detection method
ActiveCN104965113AVersatileEasy to useCurrent/voltage measurementUsing mechanical meansTest sampleHigh temperature superconducting
The invention provides a device used for mechanical property testing of a high-temperature superconducting strip, and includes a four-lead control device (1), a strip critical current testing frame (2), a strip turning radius testing frame (3) and a strip stretching stress testing frame (4). The device has the following advantages: 1. through the device, accurate measurement of almost all electrical and mechanical properties of a short sample of a strip can be completed, including a turning radius, stretching stress, delaminating stress and the like, and the device has complete functions and is convenient to use; 2. equipment is complete in design, is practical and humanized, a person can seat on a table surface to carry out processes of welding, testing and the like, and the whole process is easy; 3. a square hole plate mounted on a table top can accommodate various test sample holders, screws, tools and the like, and is convenient and practical; and 4. the test sample holders can reasonably and effectively support measurement of samples.
Owner:SHANGHAI SUPERCONDUCTOR TECH CO LTD
Elastic core bar for bent pipe
An elastic core bar for a bent pipe comprises a core shaft used for supporting a straight pipe section and a plurality of core balls used for supporting a bent pipe section. The core shaft and the core balls are connected through an elastic body. The fixed end of the elastic body is fixed into the core shaft. The free end of the elastic body penetrates through the core balls in sequence, and a clamping positioning block limiting the displacement of the core balls is arranged at the end of the free end. The distance between two end faces of the core balls is defined as the thickness of the core balls. The thicknesses of the core balls are not consistent. The characteristics of a squillid body structure are used for reference, the spherical core balls are designed and connected through the elastic body, the wall of a pipe fitting can be more stably supported when small bent radius bending forming is carried out on the thin-wall pipe fitting, the friction force with the pipe fitting is smaller, and the quality of the bent pipe fitting is better.
Owner:ZHEJIANG UNIV OF TECH
Vertical storage tank
InactiveCN101418906AReasonable supportStable supportContainer filling methodsPressure vesselsArchitectural engineeringOxygen
The invention relates to a vertical storage tank, which comprises an inner liner, an outer liner and legs protruded on the surface of the outer liner, wherein the bottom of the inner liner is provided with an inner gland; the bottom of the outer liner is provided with an outer gland; a support device which is in the same line with the legs is supported between the inner gland and the outer gland; and the support device comprises a first support piece which supports the inner gland, a second support piece which supports the outer gland and a heat insulating piece which is arranged between the two support pieces. The support device of the vertical storage tank has reasonable and effective supporting function, thereby increasing the volume of the vertical storage tank, and making the volume of vertical vacuum oxygen, nitrogen, argon storage tanks increase to more than 200 cubic meters.
Owner:CHINA INTERNATIONAL MARINE CONTAINERS (GROUP) CO LTD +2
Computer chair beneficial to health of human body
The invention relates to a computer chair beneficial to the health of a human body. The computer chair beneficial to the health of the human body is characterized in that a cushion mechanism of the chair mainly comprises a fixed bottom plate, a cushion bottom plate and a bolster, wherein the bolster is adhered to the cushion bottom plate; a compression spring located at the front end of the fixed bottom plate is used for connecting the fixed bottom plate with the cushion bottom plate above; a lumbar pad is arranged between a backrest bracket and a movable cushion, and is connected with the cushion bottom plate through an L-shaped bracket; a hinge is located at the back ends of the fixed bottom plate and the movable cushion and is used for connecting the fixed bottom plate with the cushion bottom plate; or a rotating shaft is arranged at a turning place of the L-shaped bracket; torsion springs are mounted on the rotating shaft in a sleeving manner; a hinge is arranged at a place which has a distance of more than 0 to the back end of the movable cushion but less than 1 / 3 of the length of the movable cushion, and is used for connecting the cushion bottom plate with the fixed bottom plate. According to the computer chair beneficial to the health of the human body, a headrest, armrests and leg pads are subjected to improved designs at the same time, so that the fatigue during working can be relieved through the computer chair, and the health of the human body is facilitated.
Owner:EAST CHINA UNIV OF SCI & TECH
Self-adapting car seat
PendingCN107599919AImprove ride comfortImprove ride comfort performanceBack restsThigh restsCushionCar seat
The invention relates to a self-adapting car seat. The self-adapting car seat is characterized in that airbags are arranged below skins of a seat cushion, a backrest and a side wing; airbag outer pressure sensors are located between the airbags and the surface skins of the seat; airbag inner pressure sensors are mounted inside the airbags; and each airbag is provided with two electromagnetic valves, wherein one of the electromagnetic valves communicates with atmosphere and serves as an air outlet valve of the airbag and the air pressure in the airbag is reduced when the electromagnetic valve is opened, the other electromagnetic valve is connected with an air cylinder and services as an air inlet valve of the airbag and the air pressure in the airbag is increased when the other electromagnetic valve is opened. According to the self-adapting car seat, the pressure states of various positions such as the seat cushion, the backrest and the side wing of the seat can be detected in real time, and complete fit of the seat and a human body is guaranteed by adjusting the pressure values of the airbags on the seat, so that the pressure of the human body to the seat is distributed uniformly.
Owner:CHINA FIRST AUTOMOBILE
Building network condition statistical method and device
ActiveCN108271171APrecise supportReasonable supportNetwork planningSite planningStatistical analysis
The application discloses a building network condition statistical method and device. The method includes performing rasterization on a building to divide the building into a plurality of grids; making statistics of MR data positioned to the grids to obtain positioning results of the grids, MR data including a corresponding cell ID and level; and making statistics of the positioning results of allthe grids of the building to obtain a statistical result of the network condition of the building. The building network condition statistical method provided by the application makes high-precision rasterization statistics of all the MR positioning results, thereby making high-precision network performance statistical analyses of different areas and different buildings, and can make a preliminaryassessment of the coverage condition of a building without a large number of manual field tests, thereby providing a very powerful support for site planning of the building.
Owner:LIAONING MOBILE COMM +1
Radiation expanding type make-up drum
InactiveCN1559790AFast expansionShrinkable and flexibleTyresElectrical and Electronics engineeringRadial tire
A radiation expanding type make-up drum for forming the blank of half steel wire type meridian tyre is composed of the push rod connected to drive cylinder, mainshaft with front and back guide seats, slide block, drum block installed on said slide block, and magnetic blocks installed in said drum block.
Owner:GREATOO INTELLIGENT EQUIP INC
Water-drive pool seepage field visual representation and evaluation method based on flow field diagnosis
ActiveCN110259444AIncrease the level of storage water driveLess subjective involvementConstructionsDesign optimisation/simulationPropagation timeOil field
The invention discloses a water-drive pool seepage field visual representation and evaluation method based on flow field diagnosis, and belongs to the field of oilfield flooding development adjustments. A target reservoir geological model is established, and flow exchange capacity among grids of the target reservoir geological model is calculated; according to the flow exchange capacity among the grids, seepage field propagation time distribution is calculated, numerical value tracer materials are calculated, and according to numerical value tracer material distribution, different injection well affected areas and production well control areas are divided; according to the propagation time size, grid joints in different areas are sorted, and a flow capacity-accumulation capacity diagnosis graph is made to evaluate flow heterogeneity in different areas; and according to three evaluation indicators of the flow heterogeneity, average oil saturation and pore volumes in different areas, development potential in different areas is evaluated. According to the water-drive pool seepage field visual representation and evaluation method based on the flow field diagnosis, the problems of low accuracy and poor convergence under complex geological conditions in an existing seepage field evaluation method are solved.
Owner:SOUTHWEST PETROLEUM UNIV
Hydrological situation evaluation method considering hydrological index distribution rules
The invention discloses a hydrological situation evaluation method considering hydrological index distribution rules. The method comprises steps that an IHA is selected as an index system for evaluating river hydrological situation change; the maximum entropy principle and the minimum information entropy are utilized to select a probability density function consistent with hydrological rules; an index change degree is represented through difference of shannon entropy of each IHA component index in two periods; multi-attribute decision-making weighing is utilized to calculate weight of diversity change consistent with hydrological indexes; after each index weight is acquired through calculation, a change degree of each index multiplies corresponding index weight, summation is carried out to acquire an integral change degree of all the indexes, namely, a hydrological situation change degree considering hydrological distribution is acquired. The hydrological change degree is evaluated with pertinence, and more reasonable support is provided for local water resource management departments.
Owner:SHANDONG UNIV
Bevel gear universal reducer
ActiveCN103216582ADoes not affect gear ratioReasonable supportYielding couplingToothed gearingsDrive shaftGear wheel
The invention discloses a bevel gear universal reducer which comprises a driving shaft bevel gear, a middle shaft first bevel gear, a middle shaft second bevel gear, a driven shaft bevel gear, a driving shaft fork, a driven shaft fork, a driving shaft, a middle shaft, a driven shaft and a plurality of rotating hinges. The driving shaft and the driven shaft are perpendicular to the middle shaft in a coplanar mode, and the driving shaft is crossed with the driven shaft in a coplanar mode. The driving shaft is hinged with the driving shaft fork through a rotating hinge, and the driven shaft is hinged with the driven shaft fork through a rotating hinge. The middle shaft is respectively hinged with the driving shaft fork and the driven shaft fork on the same axis through four rotating hinges. The two pairs of bevel gears are respectively used for transmitting motive power. The bevel gear universal reducer breaks the limitation that an existing reducer only can achieve transmission conversion between two crossed shafts with fixed relative positions, the reducer has adaptivity to change of a crossed axis angle, a universal transmission mechanism does not need to be additionally arranged, reduction or reverse speed-up transmission can be conducted on two random crossed shafts, changing within a certain range, of the crossed axis angle, structure is simple, and operation is reliable.
Owner:TONGJI UNIV
Oil paper insulation early stage discharge defect diagnosis method
InactiveCN102207532AReliable supportReal-time reflection of insulation deteriorationElectrical testingFrequency measurement arrangementDiagnosis methodsPhases of clinical research
The invention discloses an oil paper insulation early stage discharge defect diagnosis method in the field of transformer partial discharge partial discharge monitoring technology in an electric power system. The method comprises collecting a partial discharge pulse signal of a transformer in a signal power frequency period and extracting the number of the pulse, carrying out a statistics towards the phase distribution of the transformer discharge impulse and acquiring the phase distribution range of the pulse, detecting the content of acetylene in the transformer oil, using oil paper insulation early stage discharge defect to set a standard and determining whether the oil paper insulation discharge in the transformer is at an early stage or not. According to the invention, a goal of recognizing early stage partial discharge defects in the transformer is achieved by observing characteristic parameters such as the frequency and phase of the discharge impulse, the gas content in the oil and the like and supports are provided for the state assessment and maintenance of the transformer.
Owner:STATE GRID CORP OF CHINA +2
Insect-damage-resistant major element water-soluble fertilizer
InactiveCN106977282AIncrease vitalityPromote absorptionCalcareous fertilisersAlkali orthophosphate fertiliserDipotassium phosphatePotassium
The invention discloses an insect-damage-resistant major element water-soluble fertilizer. The insect-damage-resistant major element water-soluble fertilizer is prepared from the following raw materials in parts by weight: 15 to 20 parts of urea, 30 to 45 parts of dipotassium phosphate, 25 to 30 parts of potassium sulphate, 5 to 8 parts of magnesium nitrate, 4 to 8 parts of fly ash silicon-calcium fertilizer 0.09 to 0.5 part of compound sodium nitrophenolate, 2 to 4 parts of amidosulfonic acid, 1 to 3 parts of humate, 2 to 4 parts of sodium tartrate, and 2 to 10 parts of polybasic chelate micro element fertilizer; the polybasic chelate micro element fertilizer is a micro element fertilizer processed by a polybasic composite chelating agent; the polybasic composite chelating agent is a composition of polypeptide and organic phosphate. The insect-damage-resistant major element water-soluble fertilizer is reasonable in compatibility, and is added with elements of magnesium, calcium and the like and various micro elements while providing three major elements of nitrogen, phosphorus and potassium for crops, so that nutrition supply is more comprehensive and balanced, influence of insect damage is reduced, meanwhile, a fertilizer effect is reinforced and yield is improved.
Owner:安徽康坶国际化肥股份有限公司
Intelligent system for ill-conditioned psychological detection and evaluation
PendingCN111759329AAchieve therapeutic effectLow technical requirementsSensorsPsychotechnic devicesOutcomes treatmentEngineering
The invention belongs to the technical field of intelligent detection and evaluation, and particularly relates to an intelligent system for ill-conditioned psychological detection and evaluation. Theill-conditioned psychological detection and evaluation intelligent system comprises a simulation scene module, a state monitoring module, an analysis and evaluation module, a treatment module, a treatment feedback module and a display module. The system further comprises a vital sign detection module, a scale evaluation and heart rate qualitative analysis module, a psychological counseling module,a language suggestion and automatic music playing module, a treatment result module, a treatment condition module, a treatment problem and solution module, a detection state display module, a scale evaluation display module and a warning prompt display module. Through on-site scene simulation, vital signs of a consultant under the psychological disorder condition are accurately collected in time,scale evaluation is carried out, the two are combined, the most accurate result is obtained, and an optimal psychological counseling mode and a treatment scheme are provided for the consultant. By improving functionality, reducing subjectivity and enlarging the application range, good news is better provided for adolescents and even whole society human beings.
Owner:SHANXI MEDICAL UNIV
Superconduction outer rotor motor towed disc shearing device
InactiveCN108637352ASolve temperature field differencesEase of industrial applicationShearing machinesShearing toolsHeat resistanceEngineering
The invention discloses a superconduction outer rotor motor towed disc shearing device, and belongs to the technical field of metallurgy engineering. The device is characterized by comprising a vacuumone-way valve, a cutter head, an outer cylinder block, left and right annular end covers, an inner cylinder barrel, a superconduction outer rotor motor, and a 3D printing space bracket; the inner cylinder barrel sleeves the superconduction outer rotor motor through key connection; the outer cylinder block with a boss on the periphery sleeves the outer side of the inner cylinder barrel; the left and right annular end covers are connected with the left and right end surfaces of the inner cylinder barrel the outer cylinder block through left and right screw sets, and the 3D printing space bracket is mounted in an annular cavity formed therebetween; air is extracted through the vacuum one-way valve in the annular cavity to realize a heat resistance vacuum environment; the 3D printing space bracket can prevent deformation and inward sinking under the effects of atmospheric pressure and shearing force; the superconduction outer rotor motor is applied to tow, so that the superconduction suspension of an outer rotor relative to a stator can be realized; and through control of a magnetic field of the stator, the cutter shearing force control is realized, so that the shearing end surface quality is guaranteed.
Owner:TAIYUAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
Feedback adjusting bed based on terahertz wave detection
PendingCN108392338AImprove comfortReasonable supportNursing bedsAmbulance serviceWave detectionEngineering
A feedback adjusting bed based on terahertz wave detection comprises a bed body, a terahertz wave radiating source, a terahertz wave detector, a mechanical moving device, a pressure detector and a control device; the mechanical moving device includes a plurality of mechanical micro units and may telescope independently perpendicular to the surface of the bed body; the pressure detector can detecta pressure change of the bed body surface and transmit a pressure change signal to the control device; when it is detected that a user starts to use the bed body or the sleep position of the user changes, the terahertz wave radiating source and the terahertz wave detector are triggered to operate, providing terahertz wave imaging for the bed body and the human body; the control device judges the position of a predetermined part of the human body relative to the bed body according to imaging conditions and adjusts telescoping quantities of the mechanical micro units in the corresponding region,such that the human body is given effective balanced supporting. The feedback adjusting bed based on terahertz wave detection has high comfort, and can shape the body, prevent spinal diseases and assist in treatment.
Owner:SHENZHEN SUNSHINE LASER & ELECTRONICS TECH CO LTD
Steering frame for railway vehicle and railway vehicle
InactiveCN103121456AAbsorb high frequency vibrationImprove ride comfort and safetyBogiesBogie-underframe connectionsAutomotive engineeringBogie
The invention provides a steering frame for a railway vehicle and the railway vehicle, wherein the steering frame for the railway vehicle comprises a wheel set and a framework. Two ends of the wheel set are respectively provided with a shaft box. The framework is connected with the shaft boxes. Magneto-rheological adjustable rigidity spiral springs are arranged between the framework and the shaft boxes vertically. The steering frame for the railway vehicle and the railway vehicle can improve riding comfort and safety of the railway vehicle.
Owner:CRRC TANGSHAN CO LTD
Novel landscape plank road
InactiveCN104195936AConvenient laying and constructionLow costBridge applicationsBridge structural detailsEngineeringStructural engineering
The invention relates to a novel landscape plank road. The novel landscape plank road comprises transverse supporting beams, longitudinal supporting beams and tempered glass. The transverse supporting beams and the longitudinal supporting beams are supported through corresponding supporting mechanisms, road surface installing grooves with the height equal to the thickness of the tempered glass are formed in the inner sides of the transverse supporting beams and the inner sides of the longitudinal supporting beams respectively, and the tempered glass is embedded in the road surface installing grooves in the transverse supporting beams and the longitudinal supporting beams to be laid on the transverse supporting beams and the longitudinal supporting beams; corresponding reinforcing ribs are arranged below the tempered glass in the transverse direction at intervals of 40 cm to 60 cm, and the reinforcing ribs are formed by wrapping foam filler with glass fiber reinforced plastic accumulation layers. Corresponding reinforcing rib installing grooves are distributed in the longitudinal supporting beams, and the two ends of each reinforcing rib are arranged in the corresponding reinforcing rib installing grooves in the longitudinal supporting beams. On the premise that the service life is guaranteed, the tempered glass is adopted as the road surface of the plank road, and thus tourists can enjoy the sight of landscape below.
Owner:CHENGDU JIAMEIJIA SCI & TECH
Elastic bed board bar for bedstead
The invention relates to an elastic bed board bar for a bedstead. The elastic bed board bar comprises a triangular prism-shaped plastic batten body used for constituting an elastic bed board, and a glass fiber core part arranged in the plastic batten body to serve as main bearing force, wherein the cross section of the glass fiber core part is in the shape of H, and inner cavities are formed in the plastic batten body and located on the two sides of the glass fiber core part. The elastic bed board bar is composed of the plastic batten body made of a thermoplastic material and the glass fiber core part and is soft and elastic, and as a component of a mattress, the elastic bed board bar is simple in structure, soft and elastic, convenient to install and capable of being directly arranged on a bed frame to form the elastic bed board; furthermore, the strength of the main core part and the hardness of the elastic bed board bar can be selected according to the body type of a user, the cost of the mattress is reduced, and the human skeleton is supported reasonably and effectively according to natural curvature; the elastic bed board bar has the advantages of being high in elasticity and endurance, capable of preventing deformation and breakage, and capable of increasing the inside and outside air convection of an elastic mattress structure and prolonging the service life of the elastic mattress structure.
Owner:OKE PLASTIC ZHANGJIAGANG
Folding bed
Owner:郑世平
Polishing tool adopting polishing paste
ActiveCN108747866AReasonable supportImprove grinding efficiencyGrinding/polishing hand toolsCotton clothMechanical engineering
The invention discloses a polishing tool adopting polishing paste. The polishing tool comprises a polishing plate, a polishing paste layer, a sponge sheet and polishing cotton cloth, wherein the sponge sheet is attached to the front surface of the polishing plate, and the edge of one side of the sponge sheet is fixedly connected with the polishing plate; and fixing structures used for fixing the polishing cotton cloth are arranged on the polishing plate, the polishing cotton cloth is wrapped around the outer side of the sponge sheet, and the polishing paste layer is arranged between the polishing plate and the sponge sheet. According to the polishing tool, the polishing plate and the sponge sheet are matched with the polishing paste and the polishing cotton cloth, so that the polishing efficiency is improved.
Owner:高密市英豪鞋业有限公司
Direct-current motor armature commutator dynamic pressure overspeed testing machine
InactiveCN103376202AReasonable supportStable supportMachine part testingDynamo-electric machine testingSupport pointDevice failure
The invention discloses a direct-current motor armature commutator dynamic pressure overspeed testing machine, and relates to devices for dynamic pressure overspeed tests after armature commutators of various direct-current motors of railway locomotives are assembled. The direct-current motor armature commutator dynamic pressure overspeed testing machine is mainly used for solving the problems that an existing vertical type overspeed machine is unstable in rotation, high in shock, high in equipment failure rate and low in efficiency when commutator high-speed overspeed experiments are carried out. According to the direct-current motor armature commutator dynamic pressure overspeed testing machine, a power output shaft is fixed on a double-support base through a bearing, the two ends of the power output shaft are connected with spigots of dummy shafts through flanges respectively, the other ends of the dummy shafts are fixed on double dummy shaft supporting points through bearings, constant-temperature overspeed boxes are symmetrically arranged on the two sides, in the axial direction, of the power output shaft, and the dummy shafts are arranged in the constant-temperature overspeed boxes respectively. The direct-current motor armature commutator dynamic pressure overspeed testing machine is convenient to operate, stable in shafting supporting and low in equipment failure rate, and can carry out overspeed tests on two commutators at the same time or one commutator.
Owner:襄阳中车电机技术有限公司
Supporting roll device dragged by superconductive outer rotor electric machine
PendingCN108856297ASolve temperature field differencesEase of industrial applicationCounter-pressure devicesMetal rolling arrangementsCarrying capacityPower flow
The invention provides a supporting roll device dragged by a superconductive outer rotor electric machine, and belongs to the technical field of metallurgical engineering. The supporting roll device is characterized by comprising a vacuum check valve, a roll sleeve, an outer cylinder body, an inner cylinder, left and right annular end caps, the superconductive outer rotor electric machine and a 3Dprinting spatial support. According to connection relations, the superconductive outer rotor electric machine is sleeved with the inner cylinder, the outer circumference of the inner cylinder is sleeved with the outer cylinder body, the left and right annular end caps are connected with the inner cylinder and the outer cylinder body through left and right bolt groups so as to form an annular inner cavity, and the 3D printing spatial support is installed in the annular inner cavity; the outer circumferential surface of the outer cylinder body is sleeved with the roll sleeve, the vacuum check valve communicated with the annular inner cavity is installed in the middle of the right annular end cap, and the annular inner cavity is vacuumized through the vacuum check valve. According to the supporting roll device, a thermal-resistant vacuum environment is achieved, the 3D printing space supporting structure is arranged in the cavity, and a reasonable supporting effect is ensured; a superconductive magnetic suspension structure is formed between a stator and an outer rotor of the superconductive outer rotor electric machine, by adjusting the motor stator current, the supporting and carrying capacity is controlled, and the effect of the supporting roll is achieved.
Owner:TAIYUAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
Rolling friction trapezoidal screw rod
PendingCN110043625AReasonable supportImprove friction efficiencyGearingRolling resistanceReciprocating motion
The invention belongs to the field of trapezoidal screw rod driving, and relates to manufacturing of a rolling friction trapezoidal screw rod. The rolling friction trapezoidal screw rod is newly characterized by being formed by two large parts: a trapezoidal screw rod and a rolling friction nut, wherein the rolling friction nut is formed by a nut shell, a trapezoidal screw rolling element and a bearing; the nut shell is connected and fixed with multiple trapezoidal screw pillar rolling elements with screw pitch leads being the same as a screw pitch lead of the trapezoidal screw rod through a bearing; the trapezoidal screw pillar rolling elements are circumferentially distributed in a planet surrounding way in the axial direction of the trapezoidal screw rod and are mutually embedded and enclasped; when the trapezoidal screw rod rotates and the rolling friction nut is fixed, the trapezoidal screw pillar rolling elements self-rotate synchronously along with the trapezoidal screw rod; andmeanwhile, through a screw drive principle, the rotary power of the trapezoidal screw rod is transmitted to the load-carrying nut shell through the bearing, and the rolling friction trapezoidal screwrod is a mechanical product for converting the rotation motion of the trapezoidal screw rod into the straight reciprocating motion of the nut. The rolling friction trapezoidal screw rod provided by the invention becomes a second high-quality type followed in a sliding friction trapezoid screw rod, namely, a common trapezoid screw rod, has a self-locking function, and is reasonable in design and wide in application.
Owner:侯金网
Shape finding method of large-opening cable-supported lattice structure
ActiveCN103953116AFix form-finding resultsReasonable supportBuilding constructionsGymnasiumEngineeringStructure system
The invention discloses a shape finding method of a large-opening cable-supported lattice structure. The shape finding method has the advantages that the reasonable support on an upper rigid system by a lower tensioning cable rod system can be realized, the vertical state of a support rod of the tensioning cable rod system can be maintained, the height of the support rod is limited, the attractive building effect is reached when the stress is reasonable, and the shape finding result of the cable rod system can be further corrected, so the structure system can be suitable for various load work conditions, and the stress is more reasonable.
Owner:CHINA SOUTHWEST ARCHITECTURAL DESIGN & RES INST CORP LTD
Operation platform for drilling pile movable construction
ActiveCN106087698ASmooth connectionAccurate locationConstructionsResource savingStructural engineering
The invention provides an operation platform for drilling pile movable construction. The operation platform comprises supporting beams, a standing platform / standing platforms arranged at one ends or two ends of the supporting beams, a cover plate arranged on the supporting beams and a discharging hole formed in the cover plate. The cover plate is jointed to the supporting beams through a joint mechanism and is made of an iron plate with the thickness of 6-14 cm. A guide pipe is fixed when lowered so that a next guide pipe can be conveniently connected; a platform on a drilling cast-in-place pile machine is replaced, the shaping standardization level of the operation platform is high, materials commonly used in a construction field are fully utilized, the requirements for easy manufacturing, convenient operation and implementation, firmness, durability and circular use are met, and the effects of standardization, canalization, resource saving and convenient wide application and popularization are achieved.
Owner:NINGBO HOUSING CONSTR GRP
Intelligent transfer device for composite steel strip manufacturing
ActiveCN109941741AReasonable supportSupport is reasonable and stableConveyorsSupporting framesSteel beltMaterials science
Owner:安徽颍瑞源焊管科技有限公司
Horizontal well profile control effect evaluation method based on fuzzy comprehensive evaluation and analytic hierarchy process
InactiveCN112926893AAvoid limitationsLess subjective involvementFuzzy logic based systemsResourcesEvaluation resultHorizontal wells
The invention discloses a horizontal well profile control effect evaluation method based on fuzzy comprehensive evaluation and analytic hierarchy process, and belongs to the field of horizontal well water shutoff and profile control. Injection pressure, a water absorption index, a Hall curve slope, a water well profile control variable coefficient and a water absorption profile homogeneity coefficient are selected as a factor set of horizontal well water shutoff and profile control effect evaluation indexes, and the evaluation results are divided into four grades of good effectiveness, relatively good effectiveness, general effectiveness and no effectiveness to form a comment set. The method also includes calculating the membership degree of each factor in the factor set to the evaluation result according to the membership function, and constructing an evaluation matrix; analyzing the weight occupied by each factor in the judgment result by using an analytic hierarchy process to obtain a weight set; and based on a weighted average model, obtaining a membership degree of the evaluation result to the evaluation grade, and determining a final comprehensive evaluation grade according to a maximum membership degree principle. The invention solves the problems that an existing horizontal well water shutoff and profile control evaluation method is diversified in result and poor in comprehensiveness.
Owner:SOUTHWEST PETROLEUM UNIV
Corrugated steel plate and UHPC combined fabricated tunnel lining structure and construction method thereof
ActiveCN113294171AImprove shear resistanceHigh compressive strengthUnderground chambersTunnel liningArchitectural engineeringStructural engineering
The invention relates to a corrugated steel plate and UHPC combined fabricated tunnel lining structure. The fabricated tunnel lining structure comprises a plurality of lining units, each lining unit comprises an inverted arch located at the bottom of a tunnel, the left end and the right end of each inverted arch are each provided with a side wall section, an arch crown section is erected between the tops of the two side wall sections, each side wall section and each arch crown section each comprise a corrugated steel top plate and a UHPC rib plate beam, cement mortar fills the spaces between the corrugated steel top plates and the excavation face of the tunnel to form a primary support of the tunnel, and cast-in-place concrete fills the spaces between the corrugated steel top plates and the UHPC rib plate beams to form a permanent support of the tunnel. The corrugated steel plate and UHPC combined fabricated tunnel lining structure is simple in structure, reasonable in design, convenient to construct and capable of being widely applied to tunnel structures, the construction efficiency is improved, and the service life is prolonged.
Owner:FUZHOU UNIV
Cartridge filter with moveable support
The invention relates to the technical field of cartridge type dust collectors, in particular to a cartridge type dust collector with movable supports, including a filter cartridge type dust collector and a bearing frame, and the side wall of the filter cartridge type dust collector overlaps with the bearing frame Next, rectangular blocks are fixed at the four corners of the bottom surface of the bearing frame, and a circular through hole is opened on the side wall of the rectangular block. Matching circular washers, a pair of said circular washers are welded with n-shaped frames on the side walls, and said n-shaped frame beams are welded with supporting columns. The present invention has novel structure, convenient operation, helps filter cartridge dust collectors to be installed and used, and is convenient The cartridge dust collector is moved, and the cartridge dust collector is reasonably supported at the same time.
Owner:SUZHOU HAISILE WASTE GAS TREATMENT EQUIP
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