Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

3019results about How to "Guaranteed integrity" patented technology

Full-fabricated assembly overall reinforced concrete house and building method thereof

InactiveCN101806095ASmall sizeNo secondary plastering requiredBuilding material handlingFloor slabReinforced concrete
The invention discloses a full-fabricated assembly overall reinforced concrete house which comprises a plurality of column ribs arranged at intervals and respectively and fixedly connected with a foundation, a plurality of column bodies prefabricated in a modularized way, a plurality of wall bodies prefabricated in the modularized way, and a floor slab prefabricated in the modularized way. The invention aims to overcome the defects of the prior art, and improve the full-fabricated assembly overall reinforced concrete house which has simple structure, is convenient to install, saves building materials, is quick to build, and has good overall safety performance. Another purpose of the invention is to provide a method for building the house.
Owner:ZHONGSHAN FAST LIVING PREFABTED HOUSING

Parking lot reservation access and security monitoring integrated management system

The invention discloses a preordering, access and safe monitoring comprehensive management system of a parking lot, and relates to an application of internet of things built on the basis of internet, telecommunication network and positioning technology, and a comprehensive operation system mainly providing vehicle services of preordering a parking space and monitoring the parking lot and realizing effective management and service charge. Through the system disclosed by the invention, a positioning preordering mode based on a mobile terminal is established on the premise of not influencing an original service mode of the parking lot, and the safest monitoring on a vehicle is realized by a simplest manner by utilizing a three-dimensional photographic technique. Therefore, the reliability of popularization and cooperation of a project is improved. The system user does not need other hardware investment, and the system disclosed by the invention is not limited by territory and is suitable for large-area uniform popularization. The invention has the advantages of advanced technique, simpleness, practicability, stability and reliability.
Owner:深圳市豪位科技有限公司

Silicon rubber with high refractive index and high transparency for optical encapsulation and preparation method thereof

The invention relates to silicon rubber with high refractive index and high transparency for optical encapsulation and a preparation method thereof. The silicon rubber is prepared from a phenyl vinyl polysiloxane component A, a silicon resin component B containing phenyl vinyl, a phenyl component C containing hydrogen polyoxyalkylene, a platinum catalyst component D, a catalytic inhibitor component E, a modified polysiloxane component F, and a water remover component G in a mixing manner. The silicon rubber not only has over 1.50 of refractive index, but also is good in transparency, excellent in adhesion, and stable in performance, can resist heat and ultraviolet radiation for a long period of time, can meet various requirements of LED (light-emitting diode) encapsulation, and is an ideal encapsulation material of the LED. The silicon rubber can be packaged into a bi-component product; the product has good storage stability; and high transparency is still kept after the product is stored for over 6 months.
Owner:ZHUZHOU TIMES NEW MATERIALS TECH

Construction method for soft rock deformation tunnel lining support dismantling-replacing arch

The invention provides a construction method for a soft rock deformation tunnel lining support dismantling-replacing arch. One-time whole section integral dismantling and replacing of a lining support is achieved. The construction method has the advantages that before dismantling and replacing, a lining which loses bearing capacity is subjected to grouting reinforcement treatment first, then a temporary cover arch is additionally arranged outside for reinforcement, and afterwards, the lining support is dismantled step by step, so that potential safety hazards caused by dismantling or removing of a temporary platform frame are avoided, and some security risks are avoided effectively. According to the construction method, the construction difficult problem of soft rock large deformation occurs during construction of a tunnel in special and complex geology is solved. Through the created novel construction method, the construction difficult problem of second lining cracking deformation needing remediation due to weak surrounding rock large deformation is solved. Through the construction method, safe, fast and economic treatment and remediation of the lining support and arch replacing construction are achieved, and the tunnel structure stability and construction safety are ensured effectively.
Owner:CCCC SECOND HIGHWAY ENG CO LTD

Splitting and assembling structure and assembling connecting method of assembled type concrete frame-shear wall

The invention relates to the field of concrete structures, in particular to a splitting and assembling structure and an assembling connecting method of an assembled type concrete frame-shear wall. The splitting and assembling structure comprises prefabricated pillars, prefabricated beams, prefabricated shear walls and cast-in-situ joints, wherein sleeves are embedded at the lower ends of the prefabricated pillars, mutually embedded with protruding reinforcing steel bar sections which extend from the upper ends of lower layer pillars and are integrally connected with the lower layer pillars by filling mortar; longitudinal prefabricated beam reinforcing steel bars extend into a joint core area to be anchored or connected with side beam ribs in a mechanical manner; a cast-in-situ zone is arranged between the prefabricated pillars and the prefabricated shear walls so as to carry out the connection of the embedded ribs of the pillars and the walls; and the embedded reinforcing steel bar sleeves at the lower ends of the prefabricated shear walls are mutually embedded with protruding reinforcing steel bar sections which extend upwards from the walls at the lower layer and are integrally connected with the walls at the lower layer by filling the mortar. The through connection of the vertical reinforcing steel bars of the share walls at the upper and lower layers is realized by filling the mortar into the through holes and the sleeves at the upper ends of the prefabricated shear walls and the prefabricated beams, so that the key problem that the vertical reinforcing steel bars of the share walls are hard to be continuous because of the isolation of the prefabricated beams is solved.
Owner:SHENYANG JIANZHU UNIVERSITY

A mango picking point recognition method

The invention discloses a mango picking point recognition method which comprises the following steps: collecting mango images, and establishing a mango picking image library in a natural scene; establishing a mango fruit segmentation model based on a Mask R-CNN network ; calculating the long axis, the short axis and the mass center of each fruit; judging whether a cluster is formed or not by usinga bottom-up hierarchical clustering method; If the mango fruits are clustered, cluster fruit mother branches are identified, and picking points are positioned on the mother branches; and if the mangois a single fruit, segmenting and identifying fruit stems of the fruit, and determining picking points on the fruit stems. Mask-based R-is utilized in the invention. The mango fruit segmentation model of the CNN network carries out fruit instance segmentation, solves the detection segmentation problem caused by light change, shielding and overlapping in a natural orchard scene, and has the advantages of accurate segmentation and multiple application scenes.
Owner:SOUTH CHINA AGRI UNIV

Accurate cycloid pin gear epicyclic transmission apparatus

InactiveCN101280824AEliminate or reduce hysteresisSmall hysteresisToothed gearingsEngineeringCycloid
The invention discloses a precision cycloidal-pin wheel planetary transmission device which comprises a machine base, a power input shaft, an eccentric bushing provided with two off centers, a cycloidal wheel I, a cycloidal wheel II, a dowel pin for cycloidal wheels, a power output shaft, a wheel spider I, a wheel spider II and two sets of pin gears that are respectively arranged on the wheel spider I and the wheel spider II; one end of the dowel pin for cycloidal wheels is fixedly arranged on a flange of the power output shaft and the other end is inserted into an isotonic pin hole of the cycloidal wheel I and the cycloidal wheel II to form a pin type output mechanism; the direction of a tooth outline on which the cycloidal wheel I and a pin gear I are meshed and the direction of a tooth outline on which the cycloidal wheel II and a pin gear II are meshed are reverse. The precision cycloidal-pin wheel planetary transmission device of the invention can eliminate or reduce tooth clearance during the transmission process, thereby improving transmission efficiency, reducing vibration and noise and prolonging service life; the relative position of the two wheel spiders in a circumferential direction is adjustable, so that meshed gap and return difference can be controlled effectively and more options are available when shaping the tooth outline of the teeth of the cycloidal wheels.
Owner:CHONGQING UNIV

Production technology of optical fiber combiner based on capillary tube

InactiveCN102841408ALayout rules and convenienceReduce complexityCoupling light guidesFiber bundleEngineering
The invention relates to a production technology of an optical fiber combiner based on a capillary tube. The technology comprises the following steps of: 1) obtaining bundle fiber bundles; 2) bundling and arranging the bundle fiber bundles obtained from the step 1) by the capillary tube and forming the capillary tube which is internally embedded with the bundle fiber bundles; 3) carrying out beam combining treatment on the capillary tube internally embedded with the bundle fiber bundles obtained from the step 2) and forming a cone-shape optical waveguide. According to the invention, the production technology of the optical fiber combiner based on the capillary tube, which is convenient to fix and easy to taper, can greatly reduce energy loss in a laser combining process, and can improve a power bearing level of a beam combiner, is provided.
Owner:XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI

Antenna device and mobile terminal

The invention provides an antenna device. The antenna device comprises a radio frequency transceiving circuit, a matching circuit and a metal shell, wherein the matching circuit is electrically connected to the radio frequency transceiving circuit, the edge of the metal shell comprises an arc segment, the metal shell is provided with at least one micro-slot belt, the at least one micro-slot belt comprises an arc part, the arc part is matched with the arc segment of the metal shell, the radio frequency transceiving circuit is electrically connected with the metal shell through the matching circuit so that the metal shell is used as a radiation body of the antenna device, the metal shell is grounded by a grounding line, and a switch is arranged on the grounding line and is used for controlling on / off of the grounding line. With the antenna device according to the invention, the comprehensive appearance effect of a mobile terminal can be ensured, meanwhile, a signal of the antenna device can be prevented from being intervened, and the bandwidth of the antenna device is improved. The invention also provides the mobile terminal.
Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD

Winding device and flexible display device

The present invention provides a winding device and a flexible display device. The winding device is used for accommodating a flexible screen and comprises a reel and a supporting piece, and the supporting piece is wound on the reel, wherein the flexible screen comprises a first end and a second end, the first end is connected with a flexible printed circuit board, the flexible printed circuit board is accommodated in a gap formed by the supporting piece, the flexible screen is at least partially wound on the supporting piece, when the second end of the flexible screen is pulled by external force, the flexible screen extrudes the supporting piece so as to shrink the supporting piece, and when the external force is removed, the supporting piece is used for enabling the flexible screen to rebound. According to the technical scheme, the flexible printed circuit board can be prevented from being damaged due to excessive pulling, completeness of components in the area of the flexible printed circuit board is guaranteed, and normal display of the flexible screen is guaranteed.
Owner:YUNGU GUAN TECH CO LTD

Reinforcement method and reinforcement structure for treating railway soft soil roadbed settlement overweight before operation

ActiveCN102926304AReduce damageThe construction period of the main structure is shortRoadwaysFoundation testingOverweightObservation system
The invention discloses a reinforcement method and a reinforcement structure for treating railway soft soil roadbed settlement overweight before operation. The reinforcement structure mainly consists of five parts, namely a main bearing structure system, a reinforced cushion layer structure system, a foundation bed drainage system, a settlement observation system and a reserved grouting system. The technical problems that the existing roadbed is greatly damaged, the construction period is long, the construction property is low, the quality is difficult to control and the problem that the soft soil roadbed settlement overweight is caused in the conventional technical scheme are effectively solved.
Owner:CHINA RAILWAY SIYUAN SURVEY & DESIGN GRP

Large valve and large-diameter pipeline pre-assembly pup joint manufacturing and hoisting method

The invention discloses a large valve and large-diameter pipeline pre-assembly pup joint manufacturing and hoisting method. The manufacturing and hoisting method is characterized in that a prefabricated segment and a pre-assembly entirety are manufactured in a ground machining field, and the pre-assembly entirety is hoisted in place with a vertical transportation machine to be connected with an installed overhead large-diameter pipeline in a butt-joint welding mode; the method comprises the technological processes of construction preparing, prefabricated segment manufacturing, pre-assembly entirety manufacturing, pre-assembly entirety hoisting, butt-joint welding of the pre-assembly entirety and the installed overhead pipeline and checking and accepting. The hoisting method has the advantages that the tedious and high-difficulty high-altitude operation process is simplified and completed in the ground machining field, and therefore the problems that in traditional construction, the construction processes are tedious, the construction period is long, the high-altitude operation construction operation surface requirement is high, and the welding and installing quality is difficult to guarantee are solved; the whole construction process is in a safe, stable and controllable state, the installation precision is high, the construction period can be shortened, the construction efficiency is improved, the labor and material cost is reduced, and the economic benefit is significant.
Owner:广西建工第五建筑工程集团有限公司

Electromechanical device nonlinear failure prediction method

The invention relates to an electromechanical device nonlinear failure prediction method, comprising the following steps: 1, obtain data which can represent the running state of a device and select a section continuous vibration signal which has a long course and is sensitive to the failure to analyze; 2, respectively carry out exceptional value elimination and missing data filling to the vibration data by a 3 sigma method and an interpolation method; 3, carry out noise reduction to the vibration signal by a lifting wavelet method; 4, decompose the vibration signal after the noise reduction to corresponding characteristic bandwidths; 5, obtain a low dimension manifold character by utilizing a typical predicted characteristic bandwidth and adopting a nonlinear manifold learning method through decoupling of topological mapping and non-failure energy information; 6, carry out intelligent failure prediction with long course trend in a time domain by utilizing a recurrent neural network which has the dynamic self-adaptive characteristic and a first dimension of the low dimension manifold character as a neural network input. The lifting wavelet method is adopted in the invention, the algorithm is simple, the arithmetic speed is high, and the used memory is less, thereby being suitable for the characteristic bandwidth abstraction of failure character. The electromechanical device nonlinear failure prediction method can be widely applied to the failure prediction of all kinds of electromechanical devices.
Owner:BEIJING INFORMATION SCI & TECH UNIV

Flexible heating film assembly and preparing method thereof

The invention discloses a flexible heating film assembly and a preparing method thereof. The flexible heating film assembly comprises a flexible heating layer. The flexible heating layer is formed by connecting five to one thousand heating film layers in a stacked mode. Loose and porous structures are formed between every two layers. A circuit system is connected to the flexible heating layer. At least one of the upper side and the lower side of the flexible heating layer is provided with a protecting layer. The multiple heating film layers of the flexible heating layer are connected in a stacked mode, the loose and porous structures are formed between every two layers, and by means of unique nanometer holes, the large long-diameter ratio and the large specific area, the flexible heating layer has large elasticity modulus and high bending strength, macroscopic flexibility and hand feeling comfort of the flexible heating film assembly are ensured; in addition, the flexible heating film assembly has ultra-thin thickness and high flexibility, is easy to process and form and resistant to detergent, and is an excellent insulating and heat preserving material.
Owner:J NOVA WORKS CO LTD

Semi-rigid abnormal beam anchor cable truss roadway supporting system

The invention relates to a semi-rigid abnormal beam anchor cable truss roadway supporting system. A metal net is paved on the surface of a roadway, a semi-rigid abnormal beam anchor cable truss is arranged at a coal-rock roof or a roadway side, the semi-rigid abnormal beam anchor cable truss is formed by abnormal beams with semi-rigid nodes and anchor cables or anchor rods, and each abnormal beam is provided with a plurality of anchor cables or anchor rods; the anchor cables and anchor rods are anchored into a rock layer by passing through the abnormal beams and the metal net and apply a prestress to form an extrusion and annular protection function on surrounding rocks; and outer anchor ends of the anchor cables and anchor rods are provided with trays and locks, the trays and the locks make the end heads of the anchor cables or anchor rods tightly matched with the abnormal beams. The invention has the advantages that: (1), the protective surface area is large, the rigidity is high, stability is not easy to loss, and the integrality of the supporting system is ensured; (2), a steel material is saved, the cost is reduced, and the efficiency is increased; (3), the strength is high, and the regulation space of the whole supporting performance is large; and (4) the semi-rigid nodes can play a role of better flexible yield, and the stability and the safety of the whole supporting system are ensured.
Owner:SHANDONG UNIV

Virtualization cluster integration method and device, and virtualization cluster system

The invention discloses a virtualization cluster integration method, a virtualization cluster integration device and a virtualization cluster system, and belongs to the technical field of computers. The method comprises the following steps of: selecting physical machines to be integrated according to a cluster load; determining migration time and interruption time which are used by migrating each virtual machine on the physical machines to be integrated; determining migration cost for migrating each virtual machine on the physical machines to be integrated according to the migration time and the interruption time; selecting the virtual machines to be migrated according to the migration cost; selecting target physical machines according to the cluster load; and migrating the selected virtual machines to be migrated to the selected target physical machines. According to the method, the device and the system, the migration time and the interruption time which are used by migrating the virtual machines are determined, the migration cost is determined according to the migration time and the interruption time, virtualization cluster integration is optimized according to the migration cost, service level of a virtualization cluster is improved on the premise of ensuring the integration performance of the virtualization cluster, and user experiences can be improved.
Owner:JIANGSU HAOHAN INFORMATION TECH

Transformation and construction method used for facing bare concrete of existing building outer wall

The invention discloses a transformation and construction method used for facing bare concrete of an existing building outer wall. The method comprises the steps of processing of a formwork, binding of reinforcing steel bars, installation of bare formwork, casting of the bare concrete, removal of the bare formwork, maintenance of the bare concrete, cutting of visible joints, blocking and repairing of split bolt holes and coating of protective paint. According to the method, a steel formwork of which the inner surface is attached to a stainless steel board servers as the bare formwork,, reinforcing steel bar meshes serve as structural bars, the self-compaction bare concrete serves as a bare concrete mixture, and the construction of a thin-type bare concrete faced wall is finished in the mode that many times of rolling over construction are conducted from the bottom to the top of the existing building outer wall. The method not only improves the appearance quality of the bare concrete, but also ensures close integration between the newly-cast bare concrete and the existing building outer wall.
Owner:WUDA JUCHENG STRUCTURE CO LTD

Safe monitoring early-warning system of ore tailings warehouse

The invention relates to a warning system for safety monitoring of a tailings storehouse. The warning system comprises a system integration which synthesizes GPS dam body deformation monitoring data acquired, dam body phreatic line monitoring data, dry shoal namely deposition shoal monitoring data, and storehouse region water level and rainfall amount monitoring data to perform analysis, judgment and early warning through an intelligent expert software system, and can perform real-time monitoring in a video mode. The system adopts a structural configuration of three levels of structural frames: a bottom layer structural frame as an original data acquisition layer, a middle layer structural frame as a data processing layer, and a top layer structure frame as a user layer, which adopt an expert software subsystem to give corresponding calculation results to the data in a database according to different requirements of users. The warning system adopts optical fiber cables and wireless transmission communication equipment as carriers to form a network system specially for safety monitoring and warning for the tailings storehouse, and adopts the modern science and technology to perform the safety monitoring and warning work for the tailings storehouse, thereby sufficiently satisfying the requirements on safety management of tailing production by mining enterprises and meeting the actual demands for the safe production by the mining enterprises.
Owner:BEIJING KUANGZIXIN MINING TECH RES

Regeneration method of ink-jet printer cartridge

The invention relates to a regeneration method for an empty and old ink box of a printer, which comprises the technological steps as the following order: (1) a sealing membrane on a box cover is removed; (2) the ink box is immerged in deionized water of 50 DEG C to 80 DEG C for 5 to 10 minutes; a sealing ball is pressed in an ink storing cavity on the state of 40 to 80 DEG C, or a via hole is arranged to communicate the ink storing cavity and atmosphere; (3) the ink box is arranged on a centrifugal rotary table to dehydrate by centrifugal whirl; (4) an air guiding outlet and an ink supplying outlet are sealed; an ink pouring outlet or the via hole is sealed by elasticity material; a needle tube through pricks the elasticity material, inserts the ink storing cavity, and extracts air in the ink storing cavity until that negative pressure value is minus 720 to minus 750mmHg; (5) the ink is poured in the ink storing cavity by the needle tube on the state of the step (4); the regeneration ink box is obtained after pulling out the needle tube. The ink box recycled by the invention has a small amount of air residue and the yield can reach more than 85 percent.
Owner:PRINT RITE UNICORN IMAGE PROD CO LTD OF ZHUHAI

Novel laser indirect impact micro-forming device and method

The invention discloses a novel laser indirect impact micro-forming device and method. The device and method are mainly applied to plastic forming technique and manufacturing of fine micro parts. The device and method solve the problem that a conventional laser impact micro-forming method is difficult in forming, and materials cannot be formed. The device comprises a mold-debug light spot centering assembly, a workpiece positioning assembly, a workpiece assembly, an Nd:YAG pulsed laser system used for impact forming, a CW optical fiber laser system used for heating, an ultrasonic vibration system and a control system. The device can achieve the aim that pulsed laser impact force is adopted to serve as an energy source, meanwhile, ultrasonic vibration is applied to a mold and a workpiece, or, a laser beam sent out by a CW optical fiber laser is used for carrying out non-contact type quasi-static heating on the surface of the workpiece, or, under the joint effect, workpiece micro-forming is achieved; due to the design, work efficiency is improved, design is reasonable, control performance is good, quality and precision of micro-forming parts are ensured, and the device is suitable for industrialized application.
Owner:JIANGSU UNIV

Electromagnetic environment analog simulation system of radio fuse

The invention discloses an electromagnetic environment analog simulation system of a radio fuse. A mathematical simulation calculation subsystem simulates and generates an electromagnetic environment echo model base according to a working environment, a test condition and actually measured data; an analog simulation control subsystem controls the working state of the radio fuse to be tested and collects the state parameter of the fuse and realizes controlling the simulation process of a semi-physical simulation device; the semi-physical simulation device converts the data of the electromagnetic environment echo model base into corresponding radio frequency echo signal so as to realize echo signal semi-physical closed feed simulation. The invention ensures the integrality and the uniformity of the system and has good expansibility and applicability; different electromagnetic environment analogs are realized through modifying software and models, the simulation flexibility and repeatability are greatly improved, and the invention has high environment applicability and good economic benefit.
Owner:SHANGHAI RADIO EQUIP RES INST

Gold micro-nano composite structure array and preparation method thereof

The invention discloses a gold micro-nano composite structure array and a preparation method thereof. The array is a gold bowl array or a gold hollow sphere array disposed above a gold film covered on a substrate, wherein the diameter of a gold bow opening is from 500 nanometers to 10 micrometers, a bowl wall is composed of gold rods, the lengths of the gold rods are 100-1000 nanometers, the diameters of the gold rods are 50-400 nanometers, the inner diameter of a gold hollow sphere is from 500 nanometers to 10 micrometers, a sphere casing is composed of gold particles with diameters of 50-600 nanometers, and the thickness of the gold film is 5-25 nanometers. The preparation method includes sputtering a layer of the gold film on the substrate, placing a single layer colloidal crystal template which is composed of polystyrene colloidal spheres with diameters from 500 nanometers to 10 micrometers on the substrate which is covered with the gold film, then placing the substrate covered with the gold film and the colloidal crystal template into a chloroauric acid solution with concentration of 0.3-0.7g / L, using the solution with the substrate as a working electrode, subjecting the mixture to electro-deposition for 2-8 hours under the deposition electric current density of 0.03-0.05mA / cm<2> or 0.15-0.45mA / cm<2> to obtain a complex array, and placing the complex array in a dichloromethane solution for to removing the polystyrene colloidal spheres to obtain target products. The gold micro-nano composite structure array can be used as a surface enhanced raman scattering active substrate.
Owner:HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI

Step type excavating method for large unloading loose rocky side slope

InactiveCN102979103AAvoid damagePreventing Collapse AccidentsClimate change adaptationExcavationsGeomorphologySlurry
The invention discloses a step type excavating method for a large unloading loose rocky side slope and belongs to the technical field of side slope excavating of civil construction. By the method, when the large unloading loose rocky side slope is excavated by the current pre-splitting blasting excavation technology, the integrity and the stability of a surface rock mass of the rocky side slope can be improved, and a collapse accident of the surface rock mass of the rocky side slope which is caused by construction can be also prevented. The method comprises the following steps of drilling drilled grout holes in the large unloading loose rocky side slope to be excavated, filling protective slurry into the large unloading loose rocky side slope through the drilled grout holes, after the protective slurry is diffused in the rock mass to form a cured protecting layer, performing pre-splitting blasting excavation, supporting the first-grade side slope which is excavated, and repeating the steps until the whole large unloading loose rocky side slope is excavated.
Owner:POWERCHINA CHENGDU ENG

Test method for measuring plastic concrete permeability coefficient

ActiveCN101949816AOvercome the problem that it cannot truly reflect the actual impermeabilityReduce resistancePermeability/surface area analysisPresent methodMass ratio
The invention discloses a test method for measuring plastic concrete permeability coefficient. Six test pieces are manufactured; butter is mixed with coal ash or cement at the mass ratio of 1:2-2.5 to prepare a sealing material for sealing the test pieces and a die trial. The water pressure of a permeameter is added to 0.2 MP once, constant pressure is kept for 6 hours, and the water seepage height is taken by ten moieties by splitting the test pieces. The relative permeability coefficient of the test piece is calculated according to the following formula: Kr=aDm2 / 2TH. The average value of the relative permeability coefficients of the six test pieces is the permeability coefficient of the plastic concrete. The invention fills the blank of the plastic concrete test method, and effectively overcomes the problem that the test result in the mix proportion design of the existing impermeable wall plastic concrete can not truly reflect the practical impermeable ability, thereby better matching the design index with reality.
Owner:SINOHYDRO BUREAU 14 CO LTD

Horizontal triaxial tension and compression tester

The invention relates to a horizontal triaxial tension and compression tester comprising an AC machine arranged on a test platform. The power output end of the AV machine is connected with a rigid load bar on which a force sensor is arranged; the rigid load bar is connected with a front piston rod; the front piston rod is also provided with a displacement sensor; the force sensor, the displacement sensor and a data acquisition board are connected with a computer; the other end of the front piston rod is connected with a sample cap after passing through a front baffle board, and the sample cap is connected with an air exit hole on the front baffle board by a plastic soft tube; the other end of a rolling bearing on a horizontal stand is also provided with a sample cap which is connected with a rear piston rod; the rear piston rod is connected with a fixed baffle board after passing through a rear baffle board; the AC machine is started, and then an acquisition program carries out real-time acquisition and preserves output values of the force sensor and the displacement sensor; a drain hole is opened, and then a sample is removed after water is completely discharged; and subsequently, the width of a sample tension failure zone is measured. The invention has the characteristics of good integrity, high stability of loading and high axial rigidity.
Owner:TSINGHUA UNIV

Bridge road transition section roadbed structure of deep layer yielding ground regions

The invention discloses a bridge road transition section roadbed structure of deep layer yielding ground regions. The bridge road transition section roadbed structure of deep layer yielding ground regions comprises a settlement and rigidity smooth transition system, a bearing force control system and a conventional foundation stabilizing system; the conventional foundation stabilizing system is positioned at one side of a roadbed body; the settlement and rigidity smooth transition system and the bearing force control system are positioned between the conventional foundation stabilizing system and a bridge abutment; the settlement and rigidity smooth transition system comprises a raft below a track and a plurality of long piles entering the roadbed; the long piles lengthen gradually from the pavement to the bridge abutment direction; the pile top parts of the long piles enter the raft, and the long piles and the raft are in rigid connection into an integral structure; the bearing force control system comprises a plurality of short piles arranged below the roadbed; the pile top parts of the short piles are provided with first broken stone hardcores for bearing the roadbed, and the long piles penetrate through the first broken stone hardcores.
Owner:CHINA RAILWAY SIYUAN SURVEY & DESIGN GRP

Fully prefabricated reinforced concrete bridge assembly structure and connecting method for same

The invention discloses a fully prefabricated reinforced concrete bridge assembly structure and a connecting method for the same. The fully prefabricated reinforced concrete bridge assembly structure is characterized by comprising prefabricated piles, prefabricated floor collar beams, prefabricated pier studs, prefabricated capping beams, prefabricated longitudinal beams, prefabricated composite bottom plates and prefabricated anti-collision barriers. The connecting method includes connecting the tops of the prefabricated piles with the bottoms of the prefabricated floor collar beams; upwardly connecting the prefabricated floor collar beams with the prefabricated pier studs; upwardly connecting the prefabricated pier studs with the prefabricated capping beams; erecting the prefabricated longitudinal beams on the prefabricated capping beams via bridge supports or fixing ends; supporting the prefabricated composite bottom plates on the prefabricated longitudinal beams, tying reinforcing steel bars of a bridge deck on the prefabricated composite bottom plates and integrally casting concrete on a site to form the bridge deck; mounting the prefabricated anti-collision barriers on the bridge deck. The fully prefabricated reinforced concrete bridge assembly structure and the connecting method have the advantages that components, except for the bridge deck, of the fully prefabricated reinforced concrete bridge assembly structure are of prefabricated structures, so that the bridge prefabricated rate can be greatly increased; common construction labor consumption can be reduced to the greatest extent, and the labor productivity can be improved; the construction period of the fully prefabricated structure can be greatly shortened, the bridge building cost can be reduced, and the bridge construction quality can be improved.
Owner:张利铨

Tailing cemented and filled retaining wall device under mine

The invention relates to a tailing cemented and filled retaining wall device under a mine. The device comprises a roadway, a wall body and a plurality of dewatering pipes. The wall body divides the roadway into an internal part of a mining area and an external part of the mining area. The wall body comprises a filter fabric, a plurality of layers of stone cages and a plurality of retaining wall crosspieces. The stone cages are filled with mining waste rock. A concrete foundation is arranged below the lower layer of stone cages. The dewatering pipes are arranged in the concrete foundation. Water outlet ports of the dewatering pipes are arranged at the external part of the mining area and water inlet ports of the dewatering pipes are arranged at the internal part of the mining area. The filter fabric is laid on the outer surface of layers of stone cages at the internal part of the mining area. The retaining wall crosspieces are arranged at an upper layer and a lower layer and are fixedly arranged outside the layers of stone cages at the external part of the mining area. Gaps among the two sides and the top of the wall body and the walls of the roadway are blocked and sealed through concrete. The tailing cemented and filled retaining wall device under the mine has the characteristics of excellent wall body stress performance, good slurry retaining effect, good water filtering effect, high erection speed, simplicity and convenience in construction, low cost and the like. At an early filling stage, the dewatering capacity of the retaining wall device is 7-10 times of that of a concrete enclosure wall.
Owner:NORTHWEST RES INST OF MINING & METALLURGY INST

Intelligent express package access cabinet

The invention discloses an intelligent express package access cabinet, comprising a cabinet body for storing the express packages; a central control system is arranged in the cabinet body; the central control system comprises a storage control module, a bar code scanning module, a verification code transmission module and a package picking up control module; the cabinet body is provided with a package storage port and a package picking up port; the cabinet body is internally provided with a storage compartment movement shelf; a plurality of storage compartments which are in communication with the package storage port are arranged in the storage compartment movement shelf; the storage compartment is provided with a push rod for pushing the stored article out; the outside of the storage compartment movement shelf is provided with a storage article delivering sliding groove; and the bottom of the storage article delivering sliding groove is arranged at the package picking up port. The invention adopts the control system to cooperate with the mechanical transmission system, realizes the storage and picking up of the express packages, has high reliability, high storage utilization rate and high efficiency of picking up, and provides convenience. Furthermore, the invention can solve the problems that the similar product on the market occupies the large area and stores less packages.
Owner:来安宝来智慧物流有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products