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63results about How to "Avoid duplication of construction" patented technology
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Underground pipe gallery wireless monitoring system
InactiveCN107333113AGuaranteed operating lifeEnsure safetyMeasurement devicesTransmission systemsWireless dataSystem maintenance
The invention discloses an underground pipe gallery wireless monitoring system, comprising a remote management platform, a data server, a wireless data collection terminal and monitoring devices which can carry out two-way data transmission in sequence. The remote management platform comprises a structure safety monitoring unit, an environment monitoring unit, a personnel monitoring unit, a smart robot inspection unit, a consultation scheduling command unit, a call unit, a BIM+GIS-based platform management module and a large-screen display module. The data server is mainly used for collecting and storing real-time data and processing results of various units, and allocating and storing all business data. According to the system, gallery structure safety monitoring, environment monitoring, personnel positioning, personnel health monitoring, smart robot inspection and wireless communication are integrated; the safety of a pipe gallery and personnel is ensured; the construction wiring is reduced; and the system maintenance is facilitated.
Owner:长沙变化率信息技术有限公司
Bidirectional out-of-line rolling measuring seismic exploration and acquisition method
ActiveCN101710184AThe effect of the data is goodGuaranteed qualitySeismic energy generationSeismic signal receiversGeophoneSystems design
The invention provides a bidirectional out-of-line rolling measuring seismic exploration and acquisition method, which is applicable to the seismic exploration and acquisition in urban areas or hazards. The invention adopts light-tonnage controllable source and / or shothole source to stimulate earthquake waves and adopts an earthquake instrument of over 5000 paths and a moving-coil type geophone to receive earthquake signals. The method in the invention comprises the following steps: A. arranging construction point location; B. designing out-of-line observation system; C. implementing bidirectional out-of-line rolling observation; and D. implementing bidirectional out-of-line rolling measuring, and the key lies in accurately determining the position of the out-of-line shotpoint, and the out-of-line shotpoint and the normal shotpoint correspond to identical receiving arrangement. The invention has the effects of utilizing limited urban shothole shotpoint to repeat implementation, strengthening the stimulating energy of medium and deep layers, improving the signal to noise ratio of medium and deep layers in seismic exploration and acquisition, obviously improving energy in medium and deep layers in seismic exploration and acquisition data, obviously improving signal to noise ratio, and simultaneously ensuring construction time effectiveness and saving cost.
Owner:PETROCHINA CO LTD
Underground gel-forming blocking agent suitable for medium-high temperature high-salt low-permeability reservoirs and preparation method therefor
ActiveCN104974724AStrong ability to delay polycondensation and solidificationEffective blockingDrilling compositionChromatographic separationConcentration ratio
The invention provides an underground gel-forming blocking agent suitable for medium-high temperature high-salt low-permeability reservoirs and a preparation method therefor. By taking the total weight of the blocking agent as reference, the blocking agent comprises the following raw materials: 1% to 4% of water-soluble phenol-formaldehyde resin, 0.5% to 2% of stabilizer, 0 to 10% of flexibilizer and the balance of water. The preparation method of the blocking agent comprises the following steps: selecting the raw materials in proportion, and uniformly mixing so as to obtain the underground gel-forming blocking agent suitable for the medium-high temperature high-salt low-permeability reservoirs. The blocking agent provided by the invention is a homogeneous-phase, transparent and low-viscosity water solution before gel forming; the blocking agent can be selectively injected in a deep stratum water flow preferential migration passage, the shearing, adsorption and chromatographic separation of a stratum for the blocking agent can be ignored, and deep placement does not influence the concentration ratio of the blocking agent; and the polycondensation is delayed at the high temperature in the deep stratum, so that the formed gel has the advantages of high blocking rate, high blocking strength, water flow impact resistance, high temperature resistance and high hydrolysis resistance.
Owner:PETROCHINA CO LTD
Construction method for continuous type construction auxiliary girder in jacking of railway box culvert and device for implementing construction method
The invention discloses a construction method and device for jacking continuous construction beams for railway box culverts. Excavating and pouring continuous construction beams excavate hole pile foundations, excavating prefabricated pits; prefabricating box culverts; elevating existing railways and Reinforcement, that is, to erect crossbeams first, and then erect multi-section longitudinal beams connected together on both sides of the railway to form a longitudinal beam system. The longitudinal beam system is supported on On the ground, the longitudinal beam lifts and fixes the beam and the railway rail, and the longitudinal beam is bolted with high-strength bolt groups; the prefabricated box culvert is jacked, and the box culvert section is placed on the top of the box culvert section every time it is jacked. Set up temporary piers on the side with temporary excavated pile piers, and remove the temporary excavated pile piers on the side of the box culvert section, and carry out the jacking of the next box culvert section until all box culvert sections Jacking up to the designed position; backfill the top of the separated box culvert and goafs at both ends, remove the convenience beams and temporary buttresses, and restore the line.
Owner:长沙楚泰建筑劳务有限公司
Concrete stand column repairing reinforcing method
InactiveCN109457993AImprove structural performanceAvoid duplication of constructionBuilding repairsPre stressEngineering
The invention discloses a concrete stand column repairing reinforcing method. The method comprises the following steps that a component at the top of a stand column is supported; concrete at the defected portion of the stand column is chiseled out to the surface of a main rib; a reinforcing steel bar is implanted into the portion where the concrete is chiseled out; according to the longitudinal size of the chiseled portion, a steel hoop cylinder is manufactured and installed; the portion between the steel hoop cylinder and the concrete chiseled surface is filled with IV-type cement-based slurry; when the filled slurry reaches the design strength, prestress is applied to the filled portion. By adopting the method, structure repairing reinforcing can be performed on the concrete stand column, so that the structure performance of the stand column is greatly enhanced, meanwhile, the existing whole structural engineering is not affected, repeated construction caused by completely disassembling the stand column is avoided, the engineering efficiency can be improved, and the engineering cost is saved.
Owner:中铁二十三局集团第四工程有限公司
Construction technology of fireproof A<1>-stage inorganic internal and external wall insulation board
InactiveCN104695714AAnti-corrosionWith sound insulationHeat proofingBuilding material handlingExternal wall insulationMaterials science
Disclosed is a construction technology of a fireproof A<1>-stage inorganic internal and external wall insulation board. The construction technology comprises the following steps that (1) a basic layer of a wall body is processed; (2) a horizontal line pops up, and a base bracket is installed; (3) coating of interface treating mortar is conducted; (4) fireproof insulation boards adhere to the basic layer; (5) an anti-crack mortar layer is daubed for the first time; (6) alkali-resistant fiberglass meshes are laid and pressed; (7) an anti-crack mortar layer is daubed for the second time; (8) a putty screed-coat layer is daubed; and (9) a paint finish coating is daubed, and decorations adhere to the paint finish coating. The organic whole formed through the construction technology can easily meet various requirements of the paint finish coating and various environmental requirements.
Owner:金海龙
Processing method for masonry wall crack
The invention discloses a processing method for a masonry wall crack. The processing method comprises the steps that plaster layers on the two sides of the masonry wall crack are shoveled away along the masonry wall crack until a masonry wall is exposed; a plurality of V-shaped grooves are cut along the masonry wall crack, the V-shaped grooves are perpendicular to the crack, and positioning holesare drilled at the two ends of each V-shaped groove, so that U-shaped tie bars are inserted into the positioning holes; cement paste is poured into the positioning holes at the two ends of each V-shaped groove, the bending parts on the two sides of each U-shaped tie bar are inserted into the corresponding positioning holes on the two sides of the crack, so that anchoring is formed between the parts, inserted into the holes, of the U-shaped tie bars and the cement paste, the U-shaped tie bar bodies are buried into the V-shaped grooves, the crack is mended with mortar in a embedded mode, the V-shaped grooves are covered with the mortar, and primary trowelling is conducted; hardware cloth is laid along the crack range, so that the whole masonry wall crack is covered, and after leveling is conducted with cement plaster, mending parts are trowelled with latex putty till to be as level as an original wall surface. According to the processing method for the masonry wall crack, it is achievedthat the crack is mended, and the development of the crack is suppressed to some extent.
Owner:CHINA FIRST METALLURGICAL GROUP
Intelligent park zone based on public illumination control system and construction method
InactiveCN105929716ASimplify the smart construction processAdd depthLighting elementsTransmissionControl systemDisplay device
The invention provides an intelligent park zone based on a public illumination control system and a construction method. The intelligent park zone includes a primary transmission line and branch transmission lines. The primary transmission line is composed of optical fibers which are connected to illumination devices. The primary transmission line is also at least provided with part of or all of devices of data acquisition devices, interaction devices and display devices. The primary transmission line and the branch transmission lines converge to an interactive machine which can interact with a server so as to conduct separate information exchange with each resident in the park zone. According to the invention, the intelligent park zone information systems can conduct effective transverse communication between one another, which overcomes the defects of traditional intelligent park zones, such as insufficiency of interaction, sharing and linkage.
Owner:ZHONG ZHI CHENG (SUZHOU) ENG DESIGN CONSULTING SERVICE CO LTD
Triangular cross section drop optical cable and manufacturing method thereof
PendingCN106646796AReduce unit weightReduce weightFibre mechanical structuresAccess networkIsoetes triquetra
The invention relates to the technical field of optical cables and relates to a triangular cross section drop optical cable and a manufacturing method thereof. An outer sheath layer with an equilaterally triangular cross section coats three fiber units and a reinforcing assembly formed by a central reinforcing member and a central reinforcing member cushion layer to form the triangular cross section drop cable, wherein the central reinforcing member is placed at the midpoint of the equilateral triangle, the three fiber units are rotationally symmetric outside the central reinforcing member cushion layer and are arranged on three center lines of the triangle respectively, the outer sheath layer is provided with acute-angled separation grooves on both sides of each fiber unit, and the angular bisector of each separation groove points to the fiber. The triangular cross section drop optical cable is increased by 50% in fiber density and prevents repeated construction. The central reinforcing member cushion layer uses a foaming process. The central reinforcing member uses a high-flexible aramid fiber rod so as to decrease 30% unit weight. The optical cable is good in bending performance, reduces construction cost and construction difficulty. A tight sleeve layer uses nylon material to improve the anti-pressure ability of the branched fiber. The optical cable is suitable for urban networks and access networks.
Owner:BEIJING HENGTONG SIBO COMM TECH CO LTD
Structure construction method for tower crane foundation serving as basement bottom plate
ActiveCN105332386ASimple construction processAvoid duplication of constructionFoundation engineeringBasementTower crane
Provided is a structure construction method for a tower crane foundation serving as a basement bottom plate. The method is characterized by comprising the following technical measures that a, a foundation bottom plate is poured; b, steel bars are reserved; c, a tower crane anchor bolt is treated; d, tower crane waterproofness treatment is carried out; e, grading gravel construction is carried out; f, steel bars are reserved in the top plate tower crane positions of the third floor underground and the second floor underground; g, construction joints are treated; and h, post-poured concrete is poured. The structure construction method for the tower crane foundation serving as the basement bottom plate has the beneficial effects that the construction scheme is worked out in advance, the construction process is simple and convenient, repeated construction is avoided, and project cost is reduced.
Owner:MCC5 GROUP CORP SHANGHAI
Combination furniture with building-block novel structure, composite structure and reverse decoration construction method
ActiveCN106974455AAvoid wastingAvoid duplication of constructionFurniture joining partsWallsBaseboardLiving room
The invention relates to the technical field and the decoration field of home furnishing production, and particularly relates to a piece of combination furniture with a building-block novel structure. The combination furniture with the building-block novel structure comprises at least a furniture monomer and at least a connection structure, wherein the furniture monomer comprises a panel, a drawer, a cabinet, a bed, an adjustable base, a baseboard, a cap line, a top positioning connection card mold, a back card mold strip, a decorative line clamped with a back plate, an elastic sleeve strip of the back plate, a hidden function conversion body, a side cabinet, a function conversion cabinet, a telescopic living room setting wall, a living room decoration cabinet, a telescopic restaurant setting wall, a restaurant bar cabinet, a cabinet door with unloading and change functions, a partition wall, a daylighting wall, an end view wall, an upright column and one or more of column packaging and fire box packaging. The combination furniture with the building-block novel structure is characterized in that the combination furniture is provided with the frame, module, multi-track, changeable, telescopic, liftable and lowerable, and adjustable building-block structure, wherein use function conversion, style conversion, pipeline presetting function and other functions are contained (hidden). The operation of accessory production and accessory assembly can be achieved, and the combination furniture will not become loose when the assembly is detached many times.
Owner:徐林忠
Fireproof A1 level inorganic interior and exterior wall heat insulation board and production method thereof
InactiveCN104692735AFireproof hasWith compressive strengthSolid waste managementCeramicwareCelluloseFiber
The invention discloses a fireproof A1 level inorganic interior and exterior wall heat insulation board and a production method thereof. The heat insulation board comprises 60-80wt% of Portland cement, 0-21wt% of slag powder, 10-35wt% of fly ash, 1.4-2wt% of a waterproof agent, 1-2wt% of iron oxide black, 0.1-0.34wt% of fiber, 0.01-0.8wt% of cellulose, 0.3-1.2wt% of an early strength agent, and 7-12wt% of a foaming agent. The invention also provides a production method of the fireproof A1 level inorganic interior and exterior wall heat insulation board. The heat insulation board is produced by adopting inorganic materials, so the heat insulation board has the advantages of certain compressive strength and tensile strength, light weight, water and fire proofing, corrosion proofing, sound insulation, heat insulation, non-toxicity, no peculiar smell, small heat conduction coefficient, freeze and thaw resistance, and good weather ability, has same life with a unit building, and is a most rational exterior heat insulation material. Repeated construction, repeated investment and repeated pollution are avoided in the invention. The heat insulation board and the production method have good economic, social and environmentally friendly benefits.
Owner:金海龙
Construction method using red-layer mudstone as high-fill dynamic compaction roadbed filler
ActiveCN113265924ALow costReduce manpower and machinery costsRoadwaysClimate change adaptationSoil scienceGeotechnical engineering
The invention belongs to the technical field of dynamic compaction construction of a red-layer mudstone high-fill roadbed, and discloses a construction method. The invention mainly aims to solve the problems caused by using the red-layer mudstone as the roadbed filler. The method comprises the following steps: firstly, carrying out pre-disintegration treatment on red-layer mudstone; then, tamping a red-layer mudstone filler through dynamic compaction construction, and tamping the embankment through a construction scheme that point compaction is conducted firstly and then full compaction is conducted, so that the compactness of the embankment filler meets the corresponding construction requirement, and water permeation is reduced; paving lime soil and sand on the upper surface layer of the embankment to serve as a waterproof cushion layer, and performing tamping; after roadbed filling is completed, applying a soil hydrophobic agent on the surface of a roadbed slope to prevent the red-layer mudstone filler from absorbing natural rainfall through the hydrophobic effect; and continuously laying a sandy water guide layer on the roadbed slope to prevent surface rainfall from being accumulated in gaps in the roadbed. The dynamic compaction technology and the red-layer mudstone pre-disintegration technology are utilized, so that the red-layer mudstone roadbed has good compactness and stability, and the long-term safety and stability of the red-layer mudstone roadbed are guaranteed in combination with the waterproof and drainage design.
Owner:CCCC ROAD & BRIDGE CONSULTANTS +1
Flexible roadbed asphalt concrete structure and construction method thereof
InactiveCN111455768AAvoid the process of excavation and transshipmentAvoid duplication of constructionIn situ pavingsArchitectural engineeringStructural engineering
The invention discloses a flexible roadbed asphalt concrete structure which comprises a sub-base layer, a base layer, an anti-fatigue asphalt layer, a tension-compression transition layer, an asphaltmiddle-lower surface layer and an asphalt upper surface layer, the sub-base layer is arranged at the bottommost layer of the roadbed asphalt concrete structure; the base layer is arranged on the upperlayer of the sub-base layer; the anti-fatigue asphalt layer is arranged on the upper layer of the base layer; the tension-compression transition layer is arranged on the upper layer of the anti-fatigue asphalt layer; the asphalt middle-lower surface layer is arranged on the upper layer of the tension-compression transition layer; the asphalt upper surface layer is arranged on the upper layer of the asphalt middle-lower surface layer. According to the invention, a structural scheme of the waterproof anti-rut asphalt upper surface layer, the asphalt middle-lower surface layer, the tension-compression transition layer and the anti-fatigue asphalt layer is determined, three structural form parameters of the structural scheme are designed and demonstrated, and the flexible base asphalt pavement with excellent performance is provided.
Owner:ZHENJIANG PORT GRP CO LTD
Enterprise-level operation monitoring system
InactiveCN107392427AAvoid duplication of constructionRealize unified planningDigital data authenticationResourcesEnterprise levelRisk prevention
An enterprise-level operation monitoring system is provided. The system comprises a production board, a marketing board, an infrastructure board, and a financial board. The production board comprises a production indicator sub-board, a device running sub-board, and a 3+1 plan sub-board; the marketing board comprises a basic management sub-board , a customer satisfaction sub-board, a risk prevention and control sub-board, a revenue growth sub-board and a business performance sub-board; the infrastructure board comprises a safety management sub-board, a quality management sub-board, a progress management sub-board and a cost management sub-board; and the financial board comprises a performance test sub-board, a profitability sub-board, a revenue analysis sub-board, a cost management and control sub-board and a funding sub-board. By implementing the system provided by the present invention, online monitoring of the operation process and the overall performance of the power supply bureau can be carried out in real time, operation management can be strengthened, data analysis can be refined, and operational efficiency is continuously improved to support the sub-strategic goal of the power supply bureau in realizing "three good and five advanced performance".
Owner:GUANGZHOU POWER SUPPLY CO LTD
Vibration pipe-sinking wind pile-pressing machine
ActiveCN100449064CIncrease storage spaceDoes not affect the connection structureBulkheads/pilesSoil preservationElectric machineArchitectural engineering
Owner:JIAN YAN FOUND ENG
Step-type branched preformed end optical cable and production method thereof
The invention relates to a step-type branched preformed end optical cable and a production method thereof. The step-type branched preformed end optical cable is characterized by sequentially comprising a center anti-tensile body, optical fibers, micro tubes, aramid fiber yarns and a flame-retardant jacket from inside to outside; the optical cable also comprises a connector; the connector comprises a connector body, a connection head part and a connection tail part; the body is arranged between the connection head part and the connection tail part; the height of a floor on which the optical cables are laid is N meters, wherein N is greater than 2; the connection head part is arranged at a position N meters to the head end of the optical cable; a second sub cable is arranged at a position 2*N meters to the head end of the optical cable; a third sub cable is arranged at a position 3*N meters to the head end of the optical cable; the interval between draw-out joints of each two sub cables is not less than N meters; the rest sub cables are arranged in the same manner. Relative to the prior art, the step-type branched preformed end optical cable and the production method thereof have the following advantages that 1, the integral structural design is ingenious and the cost is relatively low; 2, the technical scheme avoids repeated construction and materials and labor cost are reduced; 3, according to the technical scheme, the micro tubes in the optical cable have different lengths and are automatically cut by equipment and the step-type branched preformed end optical cable is very convenient.
Owner:南京华信藤仓通信有限公司
The Method of Determining the Compaction Degree of Embankment Filling after Dynamic Compaction According to the Ramping Settlement
ActiveCN105672372BGuaranteed reinforcement effectTimely evaluation of reinforcement effectFoundation testingDynamic compactionComputer science
Owner:CHINA 19TH METALLURGICAL CORP
Installation method of diameter-expanded flexible busbar of substation
The invention provides an installation method of a diameter-expanded flexible busbar of a substation. The method comprises the following steps of assembling an insulator string; discharging the diameter-expanded flexible busbar; crimping the diameter-expanded flexible busbar; sequentially installing a fitting and the insulator string in the diameter-expanded flexible busbar of which crimping is completed; and hoisting the diameter-expanded flexible busbar of which installation is completed. According to the installation method of the diameter-expanded flexible busbar of the substation, provided by the invention, a sequence of installing the diameter-expanded flexible busbar is proposed, the guidance of installing the diameter-expanded flexible busbar is achieved, the diameter-expanded flexible busbar can be accurately installed by a constructor, repeated construction is prevented, and the construction efficiency is improved; meanwhile, the construction process level is also improved; and moreover, a guarantee is also provided for normal running of the substation in future.
Owner:CHINA ELECTRIC POWER RES INST +2
Underground feed port lump ore treatment construction method based on data simulation
InactiveCN104899370AEasy to handleImprove work efficiencySpecial data processing applicationsData simulationGrating
The invention discloses an underground feed port lump ore treatment construction method based on data simulation. A screen grid is mounted at a feed inlet of a crusher; lump ores are isolated on the upper surface of the screen grid; and the fixed hydraulic crusher is mounted at an attachment of the screen grid. The underground feed port lump ore treatment construction method comprises the following construction steps of: 1, acquiring field data; 2, carrying out analog simulation on a construction field; 3, determining a mounting position; and 4, carrying out preparation before mounting a device. The underground feed port lump ore treatment construction method has the advantages that the fixed hydraulic crusher adopts a motor to drive a hydraulic system, does not emit exhaust gas and is high in working efficiency and low in cost; the lump ores on a grating of a jaw crusher can be quickly treated, and the production efficiency is improved; data in the feed inlet is acquired on site, the working range of the device is simulated in a computer, the mounting position of the fixed hydraulic crusher is determined, the optimal working range of the device is guaranteed to meet the on-site using requirements, repeated construction is prevented, and the construction progress is quickened.
Owner:MAANSHAN JULI SCI & TECH
Sea water taking instrument for liquefied natural gas receiving station
ActiveCN103866815ASmall footprintReduce civil engineering volume and investmentDrinking water installationLiquefied natural gasFire pump
The invention discloses a sea water taking instrument for a liquefied natural gas receiving station, and belongs to the field of sea water taking engineering of liquefied natural gas receiving stations. The sea water taking instrument comprises a quay wall type member, a single-pump and single-channel system and a draining blind drain, wherein the quay wall type member is built below the embankment of a working ship wharf; the single-pump and single-channel system is arranged in a water taking pump room; the draining blind drain is built between the quay wall type member and the water taking pump room; the quay wall type member is communicated with the draining blind drain; the draining blind drain is communicated with the single-pump and single-channel system. In the quay wall type member, a water taking port and the working ship wharf are combined into a whole, so that the water front of the wharf is utilized fully; the water taking port is connected with a flow channel of the water taking pump room through the draining water blind drain, so that the influence of open sea waves on the water level fluctuation of the water pump flow channel is eliminated remarkably; a sea water fire pump is arranged at the front end of a sea water taking pump, and share one water taking flow channel with the sea water taking pump, so that the floor area is reduced, and the civil engineering quantity and investment are lowered.
Owner:PETROCHINA CO LTD
Connection device of optical-fiber composite overhead insulated bunched cable and usage method
ActiveCN105118563APrevent outflowPrevent short circuitInsulated cablesCommunication cablesSolderingElectric power
The invention discloses a connection device of an optical-fiber composite overhead insulated bunched cable and a usage method and belongs to the electric power field. The connection device of the optical-fiber composite overhead insulated bunched cable comprises an insulation body. The insulation body is provided with several through holes which are eradicated with each other. A conductive tube is arranged in each through hole. A conductive soldering flux is arranged in each conductive tube. The insulation body is also provided with a wire hole which can pass through an optical fiber. Through the conductive tubes taking as a medium, electrical cores of two disconnected bunched-cable broken ends are connected, and through the wire hole, a welding optical fiber is protected. Operation is convenient and fast, repeated construction is avoided, cable resources are greatly saved and maintenance cost of the cable is reduced.
Owner:ZHEJIANG CHENGUANG CABLE CO LTD
Police service application processing method and device, electronic equipment and storage medium
ActiveCN111182529AIncrease profitImprove experienceTransmissionSecurity arrangementComputer networkEngineering
The invention provides a police service application processing method and device, electronic equipment and a storage medium. The method comprises the steps of acquiring a download request for a targetpolice service application corresponding to a first terminal , wherein the download request carries identity information of the first terminal and a target police service application identifier, andthe attribution of the first terminal is different from the attribution of the target police service application; determining a service node corresponding to the target police service application based on the target police service application identifier; sending a downloading request to a service node of the target police service application, so that the service node of the target police service application allocates an operation authority for the target police service application to the first terminal when the identity authentication of the identity information is passed; and sending a notification message to the first terminal, the notification message being used for indicating the first terminal to download the target police service application based on the operation authority, and thetarget police service application being used for the first terminal to query police service data. According to the invention, the cross-domain police service application can be downloaded, and the utilization rate of the cross-domain police service application is improved.
Owner:TENCENT CLOUD COMPUTING BEIJING CO LTD
Method for transmitting satellite synchronization signal on extensive pico-site
ActiveCN109687899ASolve the limitation of long distanceAvoid duplication of constructionSynchronisation arrangementTime-division multiplexRadio frequencyTwisted pair
The embodiment of the invention provides a method for transmitting a satellite synchronization signal on an extensive pico-site. The method includes steps: a baseband unit receives the satellite synchronization signal, combines the synchronization signal with business data, and converts the synchronization signal to an optical signal to enable the optical signal to be transmitted in an optical fiber; an extension unit receives the optical signal and converts the optical signal to an electric signal to enable the electric signal to be transmitted in a twisted pair; and a radio remote unit receives the electric signal, separates and restores the satellite synchronization signal, and emits the satellite synchronization signal. According to the method for transmitting the satellite synchronization signal on the extensive pico-site, transmission links of the extensive pico-site are fully used so that repeated construction is avoided, the deployment invest is less, and the distribution is flexible; and the problem of restriction of the remote distance of the satellite synchronization signal is effectively solved.
Owner:WUHAN HONGXIN TECH DEV CO LTD
Construction of manhole cover template facility of roads
InactiveCN102877487AShorten construction timeHandover high pressure resistanceArtificial islandsUnderwater structuresArchitectural engineeringRoad surface
The invention discloses the construction of a manhole cover template facility of roads. The construction comprises the construction of manhole cover facilities at large, small, square and round roadsides or at the middle of the roads. The construction is characterized in that in the road construction, aiming at the large inconvenience in construction of road facilities, a specific die is designed for the construction of the manhole cover facilities; and in the road construction, the die is constructed in four steps, i.e., elevation construction of a sand layer, double cement and soil mixed layers and a pitch layer, so that inconvenient facilities in the road construction are greatly reduced, and the die is elevated for one step at each height, i.e. the construction is carried out in different steps while elevating in different steps. The die facility comprises a bituminous concrete cast-in-situ area as the appearance and an elevating template arranged inside; the road is constructed in different batches by using an elevation method; the die is elevated in different batches; the road is elevated in accordance with the demand on the elevation of the road; the repeated construction to the road is reduced; the quality and speed in construction are guaranteed; the construction of road paving machines is not affected; and the die is of a template can be used repeatedly for multiple times.
Owner:李尚喜
Special-shaped branch optical cable applied to machine room
PendingCN113341515AReduce weightGood anti-rotationFibre mechanical structuresMechanical engineeringAramid
The invention relates to a special-shaped branch optical cable applied to a machine room. The special-shaped branch optical cable comprises aramid fibers, tight-buffered fibers and five outer sheaths; the tight-buffered fibers are correspondingly arranged in the outer sheaths respectively; the aramid fibers uniformly wrap the outer sides of the tight-buffered fibers; the five outer sheaths are composed of a central outer sheath and four peripheral outer sheaths connected to the central outer sheath; every two adjacent peripheral outer sheaths are connected to form a double-core optical cable unit; and the special-shaped branch optical cable can be used in various working modes including a single-core optical cable mode or a single-core and double-core optical cable combination mode or a double-core and three-core optical cable combination mode by arranging plugs. The cable has the advantages of good torsion resistance, lateral pressure resistance, high-temperature retraction resistance, and increased usable length; and the cable can be used in an overhead manner, is beautiful, is easy to classify and arrange.The problems that optical cables are not easy to distinguish during construction, efficiency is low, and troubleshooting is difficult after a single cable is damaged can be solved.
Owner:NANJING WASIN FUJIKURA OPTICAL COMM LTD
Pipeline plugging construction method based on data simulation
InactiveCN105401634AImprove construction efficiencyAvoid duplication of constructionSewer pipelinesData simulationSlurry
The invention discloses a pipeline plugging construction method based on data simulation. The method includes the following construction steps that a detecting instrument is adopted before construction, the detecting instrument is calibrated before being used, a detecting instrument measuring bar is pressed into a pipeline, and detection data are transmitted to the detecting instrument through a sensor on a measuring tube; the detection data of the detecting instrument are converted into a data simulation model, and then a mathematical calculation model is established through the detection data. The method has the advantages that the thickness of a plugging wall is calculated before the pipeline is filled, the filling safety coefficient and the like are calculated before construction, the filling effect is simulated and checked through the data simulation model, construction efficiency is improved, and repeated construction is avoided; the large-caliber pipeline is rapidly plugged by arranging the plugging wall in a segmented mode, a plurality of grouting holes, exhaust holes and the like for filling the pipeline with city spoil slurry, the problem that ground collapse and other great potential safety hazards are caused by damaging the large-caliber waste pipeline is effectively solved, and meanwhile the problem that environmental pollution is caused by spoil accumulated in city construction is effectively solved.
Owner:CHINA MCC17 GRP
Index similarity judgment method and system, terminal equipment and computer storage medium
PendingCN114049016AAvoid duplication of constructionReduce labor costsDigital data information retrievalCharacter and pattern recognitionTerminal equipmentEngineering
The invention provides an index similarity judgment method and system, terminal equipment and a computer readable storage medium, and aims to at least solve the problems of high labor cost, inaccurate judgment result and the like caused by lack of a similarity judgment stage for newly added indexes of an index system and manual check at present. The method comprises the following steps: judging whether a newly added index is received or not; if the newly added index is received, calculating the similarity between the newly added index and each first stock index in the index system to obtain a first similarity calculation result; judging whether the similarity between the newly added index and each first stock index is smaller than a preset threshold value or not based on the similarity calculation result; and if all the indexes are lower than the preset threshold value, adding the newly-added indexes into the index system. According to the method and the device, when the newly-added indexes are received in the pre-application stage, the similarity between the newly-added indexes and the stock indexes is automatically identified, so that the condition of repeated construction of the indexes is avoided, the labor cost is reduced, and meanwhile, the similarity judgment accuracy is improved.
Owner:CHINA UNITED NETWORK COMM GRP CO LTD
Portable optical cable identifying embedded hole boring device
InactiveCN101871315AAppropriate hole size and depthLow costDrilling rodsConstructionsHelical bladeReducer
The invention discloses a portable optical cable identifying embedded hole boring device, and relates to an optical cable identifying embedded hole boring device. The hole boring device solves the problems of high operation cost, long operation time, low efficiency, large operation area, large negative loss and large operation error existing in the condition that manual work is adopted in the pit digging operation in embedding the optical cable identification. The output end of a gasoline engine (1) is fixedly connected with the input end of a reducer (2); a supporting seat (4) is fixedly arranged on the lower end surface of the reducer (3); the upper end of a drill stem (6) is fixedly connected with the output end of the reducer (2) passing through the supporting seat (4); an aiguille (9) is fixed arranged at the lower end of the drill stem (6); a helical blade (5) is fixedly connected on the wall of the drill stem (6), and is positioned between the supporting seat (4) and the aiguille (9); and two railings (3) are arranged on the outer wall of the supporting seat (4). The hole boring device is suitable for optical cable identifying embedded operation.
Owner:张熹
New liquid injection rubber expansion valve
InactiveCN102287553AReduce processing costsReduce raw material costsCheck valvesBuilding repairsEngineeringPre compression
The invention discloses a new type of liquid injection rubber expansion valve, which is a kind of equipment used for building wall repair. The invention adopts zinc alloy material, the diameter of the valve channel is greater than or equal to Φ1.8mm, the structural length is less than 200mm, and the check response is sensitive. 1. The opening pressure should be less than 300Lb to ensure the smooth flow of the valve. In addition, the sealing surface of the present invention is processed on the valve body, and the opening pressure and the stability of the check effect are guaranteed by controlling the top compression of the spring. Fix the steel ball and spring, and control the pre-compression of the spring, so as to achieve the requirements of stable opening pressure and obvious non-return effect. The invention has the advantages of simple structure, reliable operation, flexible application, convenient use, high production efficiency, and low manufacturing cost. , able to adapt to mass production.
Owner:WUJIAN WULONG VALVE MACHINERY CO LTD
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