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43results about How to "Reduce demolition costs" patented technology
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Reinforced concrete structure reverse dismounting temporary supporting conversion device and operation method thereof
The invention discloses a reinforced concrete structure reverse dismounting temporary supporting conversion device and an operation method thereof, and belongs to the technical field of building reverse dismounting. The device comprises jacks, bearing plates, short post connecting elements, supporting short posts and L-shaped steel, wherein the jacks, the bearing plates, the support short posts and the L-shaped steels form temporary support structures; a pair of temporary support structures are arranged at the two sides of a structure post; the vertical bearing force transmitted by the structure post is replaced; the bearing capability of the reinforced concrete structure post and a structural beam is sufficiently used, so that the vertical load is transmitted onto the temporary support structures through the structural beam; the bearing force is reasonably converted; and the safety in the reverse dismounting process is ensured. The support short posts are mainly used for bearing the vertical load; the support short posts are detachably spliced and can be repeatedly used; and a part of dismounting cost is reduced. The bearing plates are used for uniformly converting the vertical support force and ensuring the vertical support effects. Through the vertical direct conversion of the force, the stress is direct and safe.
Owner:JILIN JIANZHU UNIVERSITY
Integral lowering and removing system of span box girders based on bridge deck support and construction method of integral lowering and removing system
ActiveCN104652298AReduce cutting areaReduce demolition costsBuilding repairsBridge strengtheningBridge deckOperability
The invention relates to the technical field of bridge removing engineering, and particularly relates to an integral lowering and removing system of span box girders based on bridge deck support and a construction method of the integral lowering and removing system. The system comprises piers which are used for lowering the two ends of a box girder, and two sets of cantilever reaction systems which are symmetrically arranged on the two ends of the lowered box girder. Each cantilever reaction system comprises two main outriggers and a hoisting cable. The ends of the two main outriggers are anchored on the corresponding pier, and the other ends are spaced by a certain distance; the hoisting cable is slidingly connected to the end parts of the main outriggers, one end of the hoisting cable is connected with a lowering power system, and the other end of the hoisting cable is connected with a hoisting device which is used for hoisting the lowered box girder. The lowering power system is installed on the main outriggers. According to the integral lowering and removing system, the box girders are lifted and lowered through continuous jacks of which hoisting capacities are large, so that the cutting area of concrete is greatly reduced, and removing cost is effectively reduced; the invention has the characteristics such as good safety, controllability, operability and application prospect, and is not only suitable for removing the straight girder bridges, but also suitable for removing the curved bridges.
Owner:CCCC ROAD & BRIDGE SPECIAL ENG
Detaching method for existing rolling line underground space concrete structure
ActiveCN103470068AGuaranteed normal outputQuality assuranceBuilding repairsProduction lineTransportation capacity
The invention discloses a detaching method for an existing rolling line underground space concrete structure and belongs to the technical field of metallurgy production device installing. By means of the method, the existing rolling line underground space concrete structure can be detached fast, efficiently and safely under the condition that production is not stopped. According to actual conditions of the underground space concrete structure required to be detached, by combining conditions of a rolling production line required to be installed at a later procedure, a load bearing supporting point and a detaching area are determined, and detaching is conducted by using a rope saw cutting method according to conditions of field hoisting, transportation capacity and hoisting space. In a detaching process, according to determined maximum weight, largest shape and detaching sequence of each concrete block, saw cutting holes are drilled in the underground space concrete structure, corresponding supporting frames are erected, ropes penetrate the holes, and the concrete structure is saw cut into concrete blocks to be transported out of an existing rolling line production field.
Owner:CHINA 19TH METALLURGICAL CORP
Illegal building early warning method and device and electronic equipment
PendingCN111368615AReduce the difficulty of dismantlingReduce demolition costsData processing applicationsCharacter and pattern recognitionReference imageMonitor equipment
The embodiment of the invention provides a violation illegal building early warning method and device and electronic equipment. The method comprises the following steps: acquiring a to-be-detected image acquired by monitoring equipment; inputting the to-be-detected image into a preset illegal building detection model to obtain a detection result output by the illegal building detection model; whenthe detection result represents that the illegal building in the predetermined construction state exists in the to-be-detected image, obtaining a comparison result of the to-be-detected image and a preset reference image, and calculating a first early warning value of the to-be-detected image based on the comparison result and the detection result; and when the first early warning value is greater than the first early warning threshold, generating first early warning information. Compared with the prior art, by applying the scheme provided by the embodiment of the invention, illegal buildingsexisting on actual buildings can be discovered in time, and effective early warning can be carried out on the illegal buildings in a predetermined construction state.
Owner:HANGZHOU HIKVISION SYST TECH
Shield circuit used for improving ground field strength of direct current transmission line
InactiveCN102983535AControl electromagnetic environment parametersSimple designSpatial arrangements/dispositions of cablesElectric power systemUltra high voltage
The invention discloses a shield circuit used for improving ground field strength of a direct current transmission line and belongs to the technical field of transmission line electromagnetic environment protection in electric systems. The shield circuit comprises a plurality of shield wires, a shield wire tower body used for supporting the shield wires and a layer of a cross arm matched with the shield wire tower body, and a plurality of suspension points used for suspending shield wire suspension parts are arranged on the cross beam and a tow top; and a plurality of shield wire suspension points are arranged on the cross beam at equal intervals to suspend shield wires of different arrangement mode. A center shaft of a shield wire tower relative to a horizontal position is 3m outside of a straight line where a center of a transmission wire is in. According to the shield circuit, electromagnetic environment parameters around the direct current transmission line are controlled on the premise of not changing a construction scheme of original power transmission lines. Ground synthetic field strength is controlled on the premise of not improving radio interference, audible noise and corona loss, the construction cost can be greatly saved, and simultaneously, power transmission corridors are reduced, so that ultra high voltage direct current transmission projects are economical and reasonable.
Owner:ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD +1
Underground low-vacuum pipeline ultrahigh-speed maglev transportation system and construction method thereof
PendingCN111775715AReduce demolition costsRailway tunnelsUnderground chambersPipeline transportLow vacuum
The invention relates to the technical field of pipeline transportation, in particular to an underground low-vacuum pipeline ultrahigh-speed maglev transportation system and a construction method thereof. The transportation system comprises a tunnel, a sealing cover, a supporting structure, a rail bearing beam and a magnetic levitation rail. A lining structure is arranged on the inner wall of thetunnel; the supporting structure is formed on a lining structure at the bottom in the tunnel by pouring reinforced concrete; the sealing cover extends in the length direction of the tunnel, the bottomof the sealing cover is fixedly installed at the top of the supporting structure, the sealing cover and the supporting structure are sealed through the sealing structure, and an ultrahigh-speed maglev train running space is formed between the sealing cover and the supporting structure; the bottom of the rail bearing beam is fixedly mounted at the top of the supporting structure in the sealing cover; the maglev rail is fixedly installed at the top of the rail bearing beam; and the ultra-high-speed maglev train is used for running along the maglev rail. The transportation system operates in anunderground space and can be well suitable for urban areas and mountainous areas.
Owner:CHINA RAILWAY FIFTH SURVEY & DESIGN INST GRP
Recreation-transportation two-in-one global tourism traffic system
InactiveCN106891901ARealize the traffic connection functionShorten the timeRailway componentsRailway stationRoller coasterTelecommunications
The invention relates to a recreation-traffic two-in-one global tourism traffic system. The global tourism traffic system adopts overhead three-dimensional curved tracks as the tracks; and the global tourism traffic system is provided with a central junction station, branched junction stations, passing stations and a terminal station. More than two lines can be radiated around the central junction station, more than two lines can be radiated around each branched junction station, each line is provided with at least one three-dimensional curved track, and the three-dimensional curved tracks are provided with stations and / or the branched junction stations; and according to the recreation-traffic two-in-one global tourism traffic system, the non-enclosed walking tracks are adopted to form a traffic network, roller coaster type recreation experience is realized in a large tourist area with the radius from several kilometers to hundreds of kilometers, meanwhile, the stations are mounted on the walking track, each junction station and each station can correspond to different scenic spots correspondingly, the terminal station can directly lead into the scenic area, and a traffic connection function in the tourist area is realized. Only one origin station and only one terminal station can be available in the initial construction stage, and the two stations are located in different places.
Owner:罗志刚
Construction method and device for installing and disassembling gantry crane in radial type
ActiveCN104416352AEasy to useEasy to installMetal working apparatusWelding apparatusGantry craneCivil engineering
The invention provides a construction method and device for installing and disassembling a gantry crane in radial type. The device comprises a rail, a gantry crane landing leg, a girder, a patand, and an assistant device mounted on the gantry crane body. While the device is used for constructing, the method comprises three steps of making the assistant device, installing the gantry crane and disassembling the gantry crane. The method and device can install and disassemble the gantry crane more conveniently, save the installing and disassembling cost, and improve the installing and disassembling safety of the gantry crane.
Owner:CHINA FIRST METALLURGICAL GROUP
Symmetrical double-rotation blasting method
The invention discloses a symmetrical double-rotation blasting method. The symmetrical double-rotation blasting method comprises the following steps of: (1) completely dismantling construction objects inside a cooling tower; (2) arranging load reducing windows on the ring beam of the cooling tower and an upper barrel body, and arranging disintegration windows at the upper parts of the load reducing windows; (3) forming blast holes on the parts without the load reducing windows on a herringbone supporting leg and the ring beam, and arranging conducting tube detonators and explosive in the blast holes; and (4) detonating two points in central symmetry on the bottom circle center of the cooling tower at the same time, wherein the two detonating points are simultaneously and symmetrically rotated at constant speed explosion along clockwise or counterclockwise direction to form two instantaneous blasting openings. According to the method, surrounding facilities can be prevented from being damaged, and the cooling tower is good in disintegration effect, the dismantling cost is reduced, the method is applicable for blasting and dismantling cooling towers under various complicated conditions, the engineering investment can be saved, and the engineering process is quickened.
Owner:姬云峰
Ship block closure opening construction platform
ActiveCN113788125AReduce the cost of setting upReduce demolition costsDry-dockingSlipwaysMarine engineeringWorkbench
The invention relates to the technical field of ship construction equipment, and discloses a ship block closure opening construction platform which comprises an upper sliding rail, a lower sliding rail, a supporting frame, a workbench and a driving device, and the upper sliding rail and the lower sliding rail are vertically parallel and arranged on the outer wall of a ship block structure at intervals; the upper portion of the supporting frame is slidably connected with the upper sliding rail, and the lower portion of the supporting frame is slidably connected with the lower sliding rail. The workbench is hinged to one side of the supporting frame, an included angle is formed between the workbench and the supporting frame, and a limiting mechanism is arranged between the workbench and the supporting frame; the driving device is installed on the supporting frame and is in transmission connection with the upper sliding rail or the lower sliding rail. In the ship block closure opening construction operation, when the construction operation area needs to be changed, the workbench can be moved from one construction operation area to the next construction operation area only by driving the supporting frame to move along the upper sliding rail and the lower sliding rail, the construction platform does not need to be dismantled and rebuilt, the erecting and dismantling cost is reduced, and the construction efficiency is improved. And the construction operation efficiency can be improved.
Owner:CSSC HUANGPU WENCHONG SHIPBUILDING COMPANY +1
Steel ladle upper water nozzle quick disassembling device, system and method
InactiveCN106378446AReduce demolition costsReduce labor intensityMelt-holding vesselsPull forceEngineering
The invention discloses a steel ladle upper water nozzle quick disassembling device, system and method, and belongs to the technical field of steel ladle water nozzle maintenance. The steel ladle upper water nozzle quick disassembling device comprises a water nozzle drawing unit and a drawing driving unit. The water nozzle drawing unit comprises a pull rod force bearing check ring, a clamping groove matching pull rod, a baffle connecting pull rod and a water nozzle drawing baffle, wherein the pull rod force bearing check ring is connected with the baffle connecting pull rod through the clamping groove matching pull rod, and the water nozzle drawing baffle is arranged at the end, far away from the pull rod force bearing check ring, of the baffle connecting pull rod. The drawing driving unit comprises a pull rod buckling component and a drawing driving oil cylinder, wherein the pull rod buckling component and the drawing driving oil cylinder are connected in a rotating mode through a pivot, and a force application clamping groove is matched with the clamping groove matching pull rod. According to the steel ladle upper water nozzle quick disassembling device, system and method, the pull rod buckling component of the drawing driving unit and the pull rod force bearing check ring of the water nozzle drawing unit are matched with each other, the drawing driving oil cylinder can be started to apply pulling force to the pull rod force bearing check ring, and therefore a steel ladle upper water nozzle can be quickly disassembled from a water nozzle pocket block.
Owner:MAANSHAN IRON AND STEEL COMPANY
Control method for motor vehicle application station system
ActiveCN107856675ASatisfy the requirements of vehicle inspection and maintenanceShort turnout timeRailway componentsRailway stationThroatIn vehicle
The invention discloses a control method for a motor vehicle application station system, and belongs to the field of motor vehicle applications. The motor vehicle application station system is a double-layer operating system, an underground floor is provided with an underground parking lot, the underground parking lot is provided with an underground parking lot throat area, and an over-ground floor and the underground floor are connected through tracks in a ramp mode; the over-ground floor comprises an over-ground parking lot, an inspecting shop line, a moving line, a lead track, a double crossover, a vehicle washing track, a travelling line, temporary repairing and under-floor wheel lathe line and a middle throat, a double crossover is further arranged at the middle throat, the control method for the motor vehicle application station system comprises the method of entering the station through the underground floor, upper and lower floor transition method in the station and the methodof entering the station through the over-ground floor. The control method for the motor vehicle application station system fully utilizes the underground space and effectively solves the problems thatan existing motor vehicle application station is small in occupied area and large in vehicle storing number.
Owner:CHINA RAILWAY SIYUAN SURVEY & DESIGN GRP
Support replacing construction structure and method for rapidly demounting first support of large foundation trench
The invention provides a support replacing construction structure and method for rapidly demounting a first support of a large foundation trench. The support replacing construction structure comprises a force transmission wall which is arranged between a foundation trench structure lateral wall and a foundation trench support and fixed to a foundation trench base plate; and the force transmission wall is of a reinforced concrete structure. The first concrete support can be rapidly demounted, and favorable conditions are further provided for hoisting construction.
Owner:NO 2 CONSTR GRP CO LTD OF SHANGHAI CONSTR GRP +1
Method for rapidly removing multilayer monolithic main wall through eccentric whole dumping
The invention relates to a method for rapidly removing a multilayer monolithic main wall through eccentric whole dumping. The method comprises the following steps: dividing the eave wall between two main walls into two parts with different widths; offsetting the center of gravity of the whole main wall outwards by utilizing the eave walls with different widths on both sides of each main wall and floors; and pulling each main wall from the top end to dump the main wall outwards to realize the removal with the cooperation of a lifting jack or a rope. The method has the advantages of easiness in operation, safety, high removal efficiency, high recovery ratio of tiles and reinforcing steels in the wall, low removal cost and wide scope of application.
Owner:TAIXING FIRST CONSTR INSTALLATION
Right-side and left-side driving hybrid arrangement trunk straight road network system
The invention discloses a right-side and left-side driving hybrid arrangement trunk straight road network system. The system comprises at least one group of right-side driving plane functional layer and at least one group of left-side driving plane functional layer; the at least one group of right driving plane functional layer and the at least one group of left driving plane functional layer aredistributed in the vertical space direction in any sequence of upper and lower layers; and skip layer ramps are respectively arranged between the same-direction lanes of the upper and lower driving plane functional layers, so that the communication of the same-direction lanes of the upper and lower layers is realized. According to the right-side and left-side driving hybrid arrangement trunk straight road network system, double-layer and multi-layer building can be achieved, the multiple of an urban road building area is achieved under the condition that the existing urban road area rate is not changed, the urban automobile ownership can also be multiplied, and therefore, the urban traffic jam problem is solved.
Owner:解宇星
Right-side and left-side driving hybrid arrangement trunk twisted road network system
The invention discloses a right-side and left-side driving hybrid arrangement trunk twisted road network system. The system comprises at least one group of combined functional layer; two or more groups of the combined functional layers are stacked along a vertical space direction; each of the combined functional layers comprises two groups of driving plane functional layers which are distributed along the vertical space direction in any sequence and are opposite to each other in forward and reverse driving directions; each of the driving plane functional layers comprises a plurality of crossedtwo-way driving lanes; intersections of the two-way driving lanes are conflict-point-free intersections only including left turning roads or right turning roads and straight roads, and the straight roads of every two adjacent intersections in the same driving plane functional layer are distributed in a crossed mode; and a skip layer lane corresponding to the driving direction is arranged betweenthe same-direction lanes between the correspondingly matched straight roads between every two adjacent driving plane functional layers. According to the right-side and left-side driving hybrid arrangement trunk twisted road network system, vehicles can drive at a high speed in the whole process without waiting for traffic lights, so that the vehicles can go straight at a busy intersection, and candirectly turn left and right without building an overpass.
Owner:解宇星
Environment-friendly demounting method of gas tank
ActiveCN101571230BAchieve isolationNormal production impactVariable capacity gas holdersBuilding repairsRegular ProductionChemical residue
Owner:CHINA 19TH METALLURGICAL CORP
High-altitude dismantling method of inside-climbing tower crane for towering structure construction
The invention discloses a high-altitude dismantling method of inside-climbing tower crane for towering structure construction, which can effectively lower the dismantling cost of an inside-climbing tower crane and lower dismantling operation risk. The high-altitude dismantling method of inside-climbing tower crane for towering structure construction firstly dismantles a cargo boom and a balance arm and then dismantles a tower body; the derrick mast mechanism with a strut bar and a hoisting line guide mechanism is arranged on the cargo boom and the balance arm; the derrick mast mechanism and the hoisting line are used to dismantle the cargo boom and the balance arm by sections from outside to inside. The derrick mast mechanism is adopted to operate on the cargo boom and the balance arm to dismantle the cargo boom and the balance arm, and does not need to arrange other auxiliary equipment on a building so as to greatly lower the dismantling cost of the tower crane and improve the removing work efficiency; the last quarter tenon end parts of adjacent two cargo booms and adjacent two balance arms are arranged into circular arc structure, thus improving stability and safety in the dismantling process; the method is especially suitable for being popularized and used in dismantling various inside-climbing tower cranes.
Owner:中国华西企业股份有限公司 +1
Motor train-sets operating station system
ActiveCN107878469AMeet vehicle maintenance requirementsShort turnout timeRailway componentsRailway stationEngineeringUnderground space
The invention discloses a motor train-sets operating station system and belongs to the field of motor train-sets operating stations. The motor train-sets operating station system is a double-layer operating system and includes an overground layer and an underground layer. The underground layer is provided with an underground parking lot for parking. The overground layer and the underground layer are connected through a track in a ramp form, to convey motor train-sets on the ground to the underground layer for parking. The overground layer includes an overground parking lot, an examination warehouse line, a movable walking line, a pull-out line and a double crossover. The examination warehouse line is arranged in an examination warehouse, and the overground layer is used for introduction, examination and storage of the motor train-sets. According to the motor train-sets operating station system, by design of the overground layer and the underground parking lot, an underground space canbe fully applied, and the problem that an existing motor train-sets operating station is small in occupied space and the number of stored trains is large is solved effectively.
Owner:CHINA RAILWAY SIYUAN SURVEY & DESIGN GRP
A method for dismantling an inverted arch
ActiveCN111287795BSo as not to damageReduce demolition costsMining devicesUnderground chambersDetonatorDetonation
The present invention relates to the technical field of tunnel construction, in particular to a method for dismantling an inverted arch, comprising the following steps: Step 1: setting a plurality of first blastholes perpendicular to the surface of the inverted arch, and the first blastholes are arranged along the transverse direction of the tunnel and the longitudinal direction of the tunnel Arrangement, setting a detonator in the first blast hole; step 2: detonate the detonator in batches and then remove the inverted arch, and the mileage of the inverted arch removed by each detonation is less than one-third of the total mileage of the secondary lining in the demolition area. In the present invention, the inverted arch mileage of each detonation demolition is designed to be less than one-third of the total mileage of the secondary lining in the demolition area, so that the structure of the secondary lining will not be damaged during each detonation demolition, thereby eliminating the need for further The rebuilding of the secondary lining reduces the cost of demolition and reconstruction, and speeds up the construction progress.
Owner:CHINA RAILWAY 23RD CONSTR BUREAU LTD
A method for dismantling the concrete structure of the underground space of the existing rolling line
ActiveCN103470068BGuaranteed normal outputQuality assuranceBuilding repairsSupport pointUnderground space
The invention discloses a method for dismantling a concrete structure of an existing rolling line underground space, belonging to the technical field of metallurgical production equipment installation. Provided is a method for dismantling the existing rolling line underground space concrete structure, which can quickly, efficiently and safely dismantle the existing rolling line underground space concrete structure without stopping production. The dismantling method is based on the actual situation of the concrete structure in the underground space to be dismantled, and after determining the bearing support point and the dismantling area in combination with the conditions of the rolling production line to be installed in the subsequent sequence, and then adopting the method according to the on-site hoisting and transportation capacity and the condition of the hoisting space. The wire saw cutting method is used for demolition. During the demolition process, it is only necessary to drill sawing holes and erect corresponding support brackets on the concrete structure of the underground space according to the determined maximum weight, maximum shape and demolition sequence of each concrete block. 2. The concrete structure can be sawed into concrete blocks and transported out of the production site of the existing rolling line through ropes.
Owner:CHINA 19TH METALLURGICAL CORP
Dismantling method of overpass bridge body
PendingCN114808774AShorten the demolition periodReduce demolition costsBuilding repairsBridge strengtheningDrill holeWatermill
According to the method, a water mill drill is creatively adopted as a cutting tool for separating the bridge body according to the special working condition of the bridge, the drilling diameter and depth of the water mill drill are selected in a targeted mode in combination with the drilling characteristics of the water mill drill and the bridge structure, and under the condition that the construction safety is guaranteed, the construction efficiency is improved. Construction can be carried out without erecting a protective shed frame or waiting for a window period of lower threading operation, so that the demolition period of the bridge is shortened, the demolition cost is reduced, and the demolition method is suitable for demolition of the box-type bridge body under special working conditions.
Owner:中铁二十三局集团第四工程有限公司
Concrete stirring system
InactiveCN106239735AContinuous productionIncrease productivityMixing operation control apparatusSold ingredients supply apparatusEngineeringHigh rise
The invention discloses a concrete stirring system. The concrete stirring system comprises a stirring device (1), a control unit, a ground cylinder (2), a second warehouse group (3) and a conveying device (5). The stirring device (1) is provided with a first warehouse group (11), a material weighing and conveying device and a stirring machine (13). Materials in the ground cylinder (2) are conveyed into corresponding warehouses of the second warehouse group (3) through the conveying device (5). The materials in the second warehouse group (3) are conveyed into corresponding warehouses of the first warehouse group (11) through the conveying device (5). The concrete stirring system can be temporarily arranged on the construction site and can efficiently produce a large amount of concrete so that the requirements of high-rise buildings can be met.
Owner:郭颂怡
Concrete stirring system
ActiveCN103121242BContinuous productionIncrease productivityMixing operation plantArchitectural engineeringHigh rise
The invention discloses a concrete stirring system which comprises a stirring device (1), a control unit, a ground cylinder (2), a second warehouse group (3) and a transmitting device (5), wherein a first warehouse group (11), a material weighing and transmitting device and a stirrer (13) are arranged on the stirring device (1); and materials in the ground cylinder (2) are conveyed to corresponding warehouses of the second warehouse group (3) through the transmitting device (5), and materials in the second warehouse group (3) are conveyed to corresponding warehouses of the first warehouse group (11) through the transmitting device (5). The concrete mixing system disclosed by the invention can be temporarily arranged in a construction site, and is capable of efficiently producing large amount of concrete to adapt to demands of high-rise buildings.
Owner:YAU LEE WAH CONCRETE PRECAST PROD SHENZHEN CO LTD
Cold charging alloy pipe dismounting method
PendingCN113878303AAchieve non-destructive dismantlingGood demolition effectMetal working apparatusAlloyBase metal
The invention provides a cold charging alloy pipe dismounting method. The method is used for dismounting an alloy pipe of a cold charging test piece from a cold charging hole of a cold charging base through a welding heating method. The cold charging alloy pipe dismounting method comprises the steps that S1, inner wall base metal of a welding operation section is heated in an alloy pipe through a welding method, so that the inner wall base metal of the welding operation section of the alloy pipe is locally melted; S2, welding is stopped after welding operation of the welding operation section is completed, locally-molten base metal on the inner wall of the welding operation section of the alloy pipe is solidified and shrunk, the outer diameter of the outer wall of the alloy pipe is correspondingly reduced, and clearance fit is formed between the alloy pipe and the cold charging hole; and S3, the alloy pipe is separated from the cold charging base through external force such as gravity or hoisting force, and dismounting is completed. According to the cold charging alloy pipe dismounting method provided by the invention, the cold charging alloy pipe can be conveniently and efficiently dismounted, a cold charging base body is not damaged, and the method has the advantages of being stable in process, high in dismounting efficiency, low in dismounting cost, capable of saving manpower and the like, and has good practicability and economic value.
Owner:SHANGHAI ELECTRIC NUCLEAR POWER EQUIP CO LTD
A symmetrical double-spin blasting method
The invention discloses a symmetrical double-rotation blasting method. The symmetrical double-rotation blasting method comprises the following steps of: (1) completely dismantling construction objects inside a cooling tower; (2) arranging load reducing windows on the ring beam of the cooling tower and an upper barrel body, and arranging disintegration windows at the upper parts of the load reducing windows; (3) forming blast holes on the parts without the load reducing windows on a herringbone supporting leg and the ring beam, and arranging conducting tube detonators and explosive in the blast holes; and (4) detonating two points in central symmetry on the bottom circle center of the cooling tower at the same time, wherein the two detonating points are simultaneously and symmetrically rotated at constant speed explosion along clockwise or counterclockwise direction to form two instantaneous blasting openings. According to the method, surrounding facilities can be prevented from being damaged, and the cooling tower is good in disintegration effect, the dismantling cost is reduced, the method is applicable for blasting and dismantling cooling towers under various complicated conditions, the engineering investment can be saved, and the engineering process is quickened.
Owner:姬云峰
Non-excavation reverse dismantling method for ultra-deep vertical shaft
ActiveCN114382487ASafe dismantlingSolve the large amount of excavationHydro energy generationShaft equipmentStructural engineeringGeotechnical engineering
Owner:TIANJIN UNIV
Floating type reinforced concrete production platform
InactiveCN105923115AIncrease profitReduce mining costsWaterborne vesselsFloating buildingsLiving systemsFire protection
The invention provides a floating type reinforced concrete production platform. The floating type reinforced concrete production platform comprises a platform main body, a drilling production operation system, an oil storage and outer transportation system, a fire protection monitoring system, a living system, a public facility system and a power and auxiliary system. The production platform is characterized in that the production platform comprises a ship body and mooring systems; the ship body is a semi-closed cuboid composed of a bottom plate and side coamings and is constructed on a dry land in a cofferdam through reinforced concrete; the interior of the ship body is divided into a closed upper layer, a closed middle layer and a closed bottom layer through reinforced concrete plates, the bottom layer is a weight layer, the middle layer is a pipeline layer, and the upper layer is a closed cabin layer, and each layer is divided into a plurality of cabins through reinforced concrete plates; a layer of steel structural plates is laid on the top face of the ship body to serve as a deck; the drilling production operation system, the fire protection monitoring system, the living system and the power and auxiliary system are arranged on the deck; and the platform is fixed to a required operation zone through the mooring systems by means of anchor chains and a plurality of stay bars, stress is adjusted by pouring seawater into the cabins of the weight layer, and the platform is kept balanced and stable.
Owner:OCEAN UNIV OF CHINA
A twist-shaped road network system with trunks mixed with right-hand and left-hand driving
ActiveCN112112020BReduce demolition costsProtected buildingRoadwaysRoad networksStructural engineering
The invention discloses a twist-shaped road network system with trunks arranged in a mixed arrangement of driving on the right and on the left. A group of driving plane functional layers that are distributed in any order along the vertical space direction and are mutually forward and reverse driving directions. The driving plane functional layers include multiple intersecting two-way driving lanes, and the intersection of the two-way driving lanes is a road that only allows left turns or The intersection of right-turning roads and straight-going roads without conflict points, and the straight-going roads of two adjacent intersections in the same driving plane functional layer are in a cross distribution; the corresponding matching straight-going roads between two adjacent driving plane functional layers There is a jump lane corresponding to the driving direction between the lanes in the same direction between the roads. The invention allows the vehicle to run at high speed in the whole process without waiting for traffic lights, and allows the vehicle to go straight at a busy intersection and directly turn left and right without building an overpass.
Owner:解宇星
Suspended maglev transit rail system, suspension frame system, maglev vehicle and maglev system
ActiveCN109795332BReduce maintenance difficultySmall footprintRailway tracksSliding/levitation railway systemsElectric machineEngineering
The invention discloses a suspended magnetic levitation traffic rail system which comprises a supporting column. A rail beam with a downward opening is fixedly arranged at the top of the supporting column, lower fixed plates for surrounding a lower opening of the rail beam into a semi-enclosed structure are arranged on two sides of the opening of the rail beam, F-shaped steel rails for matching with U-shaped electromagnets of a magnetic levitation vehicle suspension frame system are fixedly arranged on the lower fixed plates, motor sensing plates for matching with linear motors of the magneticlevitation vehicle suspension frame system are fixedly connected on the lower surfaces of the lower fixed plates, and a power supply system for supplying power to a magnetic levitation vehicle is arranged in the rail beam. The invention further provides a suspension frame system for matching with the rail system, a suspended magnetic levitation vehicle comprising the suspension frame system and asuspended magnetic levitation system comprising the rail system and the suspended magnetic levitation vehicle. The suspended magnetic levitation system has the advantages of low cost and noise, highsafety and the like.
Owner:HUNAN PROVINCIAL COMM PLANNING SURVEY & DESIGN INST CO LTD +1
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