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80 results about "Dead weight" patented technology

Hoisting robot and horizontal movement and steering and self-lifting method thereof

The application discloses a hoisting robot and a transverse moving and turning and self-lifting method thereof. The hoisting robot comprises a hoisting device, a walking underframe, a walking device, a tension-resistant lightening device and a movable track. The walking device is placed on the movable track. The hoisting robot can be shifted along the movable track. When the walking underframe bears a compressive load, the walking wheel can contact the movable track, and the movable track bears the compressive load borne by the walking underframe. When the walking underframe bears a tensile load, the tension-resistant lightening device can contact the movable track, so as to increase the overturning moment resistance of the hoisting robot, replace the conventional means of lifting the overturning moment resistance by using the dead weight, achieve the purpose of reducing the dead weight of the hoisting robot, effectively improve the load-to-dead weight ratio of the hoisting robot, realize the lightweight design of the hoisting robot, and avoid the situation that the lower supporting structure of the hoisting robot needs to be reinforced or temporarily supported due to the excessively large dead weight of the hoisting robot.
Owner:GUANGZHOU CONSTRUCTION ENGINEERING CO LTD +3

A design method for anti-seepage and water-stopping of a semi-covering layer and semi-bedrock foundation of a gravity dam

PendingCN122346999AWater stopUplift pressure
The application discloses a kind of semi-covering layer semi-bedrock foundation gravity dam foundation seepage prevention water stop design method, belong to the field of hydraulic engineering design.This application method is aimed at the complex conditions of semi-covering layer semi-bedrock foundation, adopts zoning combination seepage prevention scheme: bedrock region sets seepage prevention curtain, covering layer region sets seepage prevention wall;Comprehensive construction period structure dead weight, running period structure dead weight, water pressure, uplift pressure and other loads, design seepage prevention wall top and dam foundation embedded joint and dam bottom local structure, reserve deformation and with two purple copper water stop to realize water stop by asphalt mortar joint filling;Finally, the rationality of scheme is verified by three-dimensional finite element seepage deformation numerical calculation.This application breaks through the limitation of traditional design, provides quantitative design method, and has strong operability, provides technical support and reference for similar projects.
Owner:CHANGJIANG SURVEY PLANNING DESIGN & RES CO LTD

Hollow arch plate for building construction

The utility model discloses a hollow arch board for building construction, including board main body, and board main body is integrally extruded by light material, the board main body is as a whole arch structure, and is equipped with arch toe on both sides, the board main body is hollow structure, and is equipped with a plurality of webs inside, and the web divides the board main body inside into multiple continuous rectangular, triangle or trapezoidal hollow cavities, the utility model discloses integrally extruded by light material such as PVC or aluminum alloy, has reduced the dead weight of board significantly, and the board is as a whole arch structure, and then combines the web set up inside, has formed the stable mechanical structure, can effectively disperse pressure, has avoided the problem that the bending stiffness of flat plate structure is low and can not satisfy the bearing demand.
Owner:ZHEJIANG ZHUFAN TECH CO LTD

An anti-ice expansion self-lifting ecological enclosure system for cold water body and an anti-ice expansion method

PendingCN122397544AMechanical liftMechanical drive
The application discloses a kind of northern cold water body anti-ice expansion self-lifting ecological enclosure systems, belong to aquatic ecological restoration technical field, the system includes: enclosure main body;Mechanical lifting cylinder type column, including fixed bottom column and sliding sleeve in its inside lifting column, fixed bottom column lower end is anchored to water bottom, lifting column upper end is fixedly connected with enclosure main body;Floating body assembly, fixedly connected to the top of lifting column;And counterweight, set in the lower part of lifting column, ice cover is frozen as a whole with floating body assembly when icing, the upward jacking force generated by ice layer frost heaving drives lifting column to slide upwards along fixed bottom column, so that enclosure main body is lifted as a whole to above ice layer frost heaving influence area;After ice layer melts, enclosure main body is automatically dropped to the design water level position under the joint action of dead weight and counterweight gravity, and the lifting mechanism is pure physical passive self-adapting structure, without any electrical or mechanical drive, fundamentally solve the technical problem that traditional enclosure is torn and damaged due to ice layer frost heaving in northern cold water body.
Owner:HUANJIAN ECOLOGICAL RESTORATION (BEIJING) CO LTD

High-performance lightweight aluminum alloy column profile

ActiveCN224413295Ulose weightMeet the stringent requirements of forceMechanical engineeringMaterials science
The utility model discloses a high performance light weight aluminum alloy stand column section, belongs to stand column section technical field, including bottom plate, the annular flange that is equipped with bottom plate top surface divides bottom plate top surface into inner surface and outer surface, and at least three equiangular distribution's L type board is fixed on the inner surface, and hollow column is placed on the inner surface, and hollow column is located between annular flash and each L type board, and the screw rod that is threaded through hollow column and corresponding L type board is equipped with on three sides of hollow column, and the locking assembly for automatic locking when screw rod is tightened is equipped with in the inside of hollow column and baffle, and the locking assembly includes the spring fixed on the baffle, and the bolt fixed with spring can extend into the insertion hole arranged on the inner surface to prevent bottom plate and hollow column from separating. The utility model significantly reduces dead weight and has excellent bending resistance and torsional resistance, and is convenient for installation and dismounting maintenance.
Owner:临海市铭杰工艺品有限公司

A load-bearing overhead cable installation apparatus

The application belongs to the technical field of cable installation equipment, and particularly relates to a bearing type overhead cable installation equipment, which comprises a plurality of clamping discs connected in an up-down mode, a supporting rod installed on the top of the clamping disc, and a cable clamp installed on the top end of the supporting rod. The clamping disc is composed of two clamping plates which are in butt joint with each other. A telescopic connecting rod is arranged between the adjacent clamping discs in an up-down mode. A locking bolt for fixation is symmetrically arranged at one end of the clamping disc. The top of the uppermost clamping disc is provided with the supporting rod. A load-bearing hinge is arranged at the top end of the supporting rod. The supporting rod extends upwards, and the cable clamp is fixed on the load-bearing hinge. The multi-point fixation structure of the plurality of clamping discs uniformly disperses the cable load on the layered folds of the transformer bushing, avoids the downward pulling force / lateral pulling force formed by the cable dead weight and external force from directly acting on the bushing terminal, significantly reduces the risk of bushing sealing failure, insulation damage and fracture, and solves the core problem of mechanical stress concentration in the traditional installation mode.
Owner:TONGHUA POWER SUPPLY COMPANY STATE GRID JILIN ELECTRIC POWER

Gantry and machine tool

ActiveCN224406934UNot easy to bend and deformavoid deformationPortal frameMachine tool
The utility model relates to a kind of portal frame and machine tool, comprising: first crossbeam and reinforcing square tube, the cavity is formed in the first crossbeam inside, the first crossbeam extends horizontally, the reinforcing square tube extends longitudinally, the reinforcing square tube is inserted into first crossbeam longitudinally and is fixedly connected with first crossbeam.The first crossbeam of the utility model is divided into multiple segments by reinforcing square tube, the first crossbeam part of the lateral two sides of reinforcing square tube is different segment, the lateral two ends of segment are supported by support structure, and the lateral length of segment is shorter than first crossbeam, so the middle part of segment is more difficult to produce bending deformation due to external force or dead weight, the first crossbeam of multiple segments is also more difficult to produce deformation, and the movement accuracy of the drive mechanism installed on the first crossbeam is improved, and the machining accuracy of workpiece is finally improved.
Owner:QINGDAO SHUOXING AUTOMATION EQUIP CO LTD

Automobile parts turnover suspension device

The utility model relates to automobile parts transportation technical field especially automobile parts turnover suspension device, including hoisting subassembly, still including linkage subassembly, arc clamp subassembly, the lower end of hoisting subassembly is provided with linkage subassembly, the both sides of linkage subassembly all are provided with arc clamp subassembly, the utility model discloses through hoisting suspender to make the connecting plate, suspender whole pull high, because arc clamp subassembly dead weight effect, make arc clamp rotate around the junction of first connecting arm, further make the inside of arc clamp hold to the inside of automobile parts, to realize two arc clamp hold the operation of automobile parts, when automobile parts need to be released, only need to hoist and place automobile parts on the loading platform, along with the down pressure connecting plate of connecting plate and suspender, the inside of inserting slot moves down, second connecting arm rotates around first connecting arm at this moment, further make arc clamp rotate outward, improve the transport holding efficiency.
Owner:SHANGHAI RILAI AUTO CLAMP CO LTD

Tracking photovoltaic support counter spring force damper

The utility model provides a kind of tracking photovoltaic support reverse spring force damper, it is related to damper technical field, including damping rod, pedestal, first elastic component and second elastic component.Damping rod contains outer cylinder and inner cylinder, and inner cylinder one end is installed in outer cylinder;Pedestal is fixed in inner cylinder and located outer cylinder outside;First elastic component two ends are respectively connected with pedestal and outer cylinder, and second elastic component is installed in pedestal and one end is connected with outer cylinder.Inner cylinder moves to outer cylinder outside, and first elastic component generates elastic force and pulls inner cylinder;When moving to inner cylinder outside, second elastic component generates elastic force and pushes inner cylinder.The damper can balance photovoltaic panel and purlin dead weight, solve angle depression problem, and assembly maintenance is convenient.
Owner:JIANGSU EVERSHINE ENERGY TECHNOLOGY CO LTD

High-voltage area crown structure of high-rise building

ActiveCN224413282Ureduce loadlow costBraced frameSolid structure
The utility model discloses high -voltage area tower crown structure of high -rise building, including top floor, the outer surface fixed connection of top floor has tower crown base, the outer surface of tower crown base is equipped with support frame, the side face of support frame away from tower crown base is equipped with bottom layer partial pressure layer, the side face of bottom layer partial pressure layer away from support frame is equipped with middle layer partial pressure layer. The device is combined through honeycomb aluminum core filling body and light alloy steel frame, the overall weight of equipment is lightened, can effectively reduce the load of building whole, utilizes the cross -shaped reinforcing rib and reinforcing ring of support frame, can realize material efficient distribution while guaranteeing equipment rigidity, and the reduction of equipment structure dead weight can effectively reduce foundation cost, can effectively solve many traditional tower crown and adopt closed solid structure or heavy -duty decorative component, is easy to appear because own weight is too big, thereby increases building whole load, makes the problem of building cost increase.
Owner:中交投资南京有限公司

Bidirectional hollow type superimposed shear wall

ActiveCN224412884ULap jointRebar
The utility model discloses a two -way hollow formula superimposed shear wall relates to shear wall technical field, including wall, the steel framework assembly is arranged in the wall, the steel framework assembly is rectangular frame structure, still be equipped with the cavity in the wall, the wall is made by concrete pouring, the steel framework assembly includes vertically distributed vertical distribution muscle of longitudinal arrangement and the horizontal distribution muscle of horizontal arrangement, the cavity is formed by the steel framework assembly and the wall, and the cavity is through to form the hollow structure up and down, the utility model provides a two -way hollow formula superimposed shear wall through setting the cavity in the wall, has reduced the entity part of wall, thereby has reduced the density of wall, and then has lightened the dead weight of wall to reduce the inertia force of wall under the action of earthquake, also help the vertical lap joint between wall with the cavity simultaneously, make the splicing of wall between more convenient.
Owner:安徽金鹏绿色建筑产业集团有限公司

A plate shearing device for steel structure production

ActiveCN224294784UGuaranteed space utilizationGuaranteed neatnessShearing machinesShearing machine accessoriesIndustrial engineeringSupport plane
The utility model discloses a plate shearing equipment for steel structure production belongs to plate shearing equipment technical field, gantry connection support frame, the vertical sliding connection support seat on support frame upper portion, is equipped with support spring on support frame, is connected through the pivot rotation support column on support seat, and the guide groove is opened on support column, is fixedly connected slide axle on support frame, and support column top connects the material board of holding, is connected guide chute on support frame. After feeding in place, support seat is supported through support spring, and slide axle is located in the bottom of guide groove vertical section, and the material board is located in the lower part of the cut-off plate material, to the steel plate shearing, and the cut-off steel plate falls on the material board of holding, under the dead weight of steel plate, and support seat is compressed to the support spring downward, and moves, when slide axle is located in the inclined section of guide groove, support column overturns along the pivot backward, and the steel plate slides and falls on the guide chute, and the steel plate slides and falls along the guide chute, guarantees the neatness, reliability and safety of blanking, guarantees the space utilization of the material box, improves the operation efficiency, and will reduce the knock damage of the plate.
Owner:TONGCHUANG HUAJIAN GRP CO LTD

Stable support structure for a hardware-in-the-loop virtual training system

ActiveCN224415875Ulight weightPhysical medicine and rehabilitationVirtual training
The utility model relates to the technical field of semi -physical simulation virtual training, especially involves semi -physical simulation virtual training system stable support structure, include: training platform, training platform includes: base, place on the ground, walking platform, open in the middle part of the upper end of base, stable subassembly, the stable subassembly includes: first recess, open in the three edges of base outside, and evenly distribute, counterweight, plug in first recess, limit board, fixed in counterweight one end, handle, fixed in the middle part of limit board side edge, mounting hole, open in the middle part of limit board both ends, screw rod, one end fixed in the outside of base, and be located first recess both sides, and be fastened through nut. The training platform is usually heavy, and it is difficult to fix on the floor when placing in the room, resulting in the problem that it needs to rely on external tools when moving, and the excessive dead weight limits its mobility, and the position cannot be flexibly adjusted to meet the different training scene demand.
Owner:CHENGDU POLAR VIOLET TECH CO LTD

A multi-functional superimposed hydraulic valve for a hydraulic lifting device

The utility model discloses a multi -functional superimposed hydraulic valve for hydraulic lifting equipment, including valve block, balance valve, pressure reducing valve and check valve, balance valve, pressure reducing valve and check valve all install on the valve block, constitute superimposed hydraulic valve, the oil port of superimposed hydraulic valve includes T1 mouth, T2 mouth, P1 mouth, P2 mouth, A1 mouth, A2 mouth, B1 mouth and B2 mouth, T1 mouth with T2 mouth intercommunication, P1 mouth with P2 mouth intercommunication, balance valve is connected between A1 mouth and A2 mouth, and the control oil port of balance valve is linked together with B2 mouth, pressure reducing valve and check valve are connected between B1 mouth and B2 mouth, and the oil channel intercommunication between the oil outlet of pressure reducing valve and T1 mouth and T2 mouth, the utility model discloses the oil flow and pressure of automatic regulation through pressure reducing valve and balance valve in the equipment descending process, can reduce the impact that the dead weight of equipment causes to hydraulic system, guarantees the smooth operation of equipment, prolongs the service life of equipment.
Owner:SHIJIAZHUANG IRON & STEEL

A method for reinforcing a revetment by underwater pressure grouting with a prefabricated cover plate

The application discloses a kind of bank protection reinforcement methods using prefabricated cover plate underwater pressure grouting, it is related to bank protection reinforcement technical field.The method includes the following steps: adding sheet pile outside original bank protection bottom plate;Prefabricated concrete cover plate with pressure grouting hole and pre-buried grouting sleeve;High-elastic rubber pad with opening is added at the bottom of cover plate;Install lifting frame and make its top expose above normal water level;Cover plate is hoisted to the above sheet pile and original bank protection bottom plate, utilize the compression deformation sealing underwater grouting area to be injected of cover plate dead weight and rubber pad, form local closed space;Finally, through the guide of lifting frame, grouting pipe is inserted into pre-buried sleeve from above water surface and carries out underwater pressure grouting.The application is combined by cover plate, rubber pad and grouting sleeve, effectively isolates water flow scouring, maintains stable grouting pressure, adapts to construction error, realizes accurate grouting, converts underwater key operation into water construction, greatly improves construction convenience and safety.
Owner:CCCC THIRD HARBOR CONSULTANTS

A vertical take-off and landing fixed wing aircraft based on thrust vectoring nozzles

The application discloses a vertical take-off and landing fixed-wing aircraft based on thrust vector nozzles, which comprises four engines, four thrust vector nozzles, a wing, a fuselage, a T-shaped tail wing and a support; four sets of power devices adopt a four-point isosceles trapezoidal symmetrical layout, and front and rear power devices are symmetrically arranged about the gravity center of the whole machine. The transverse spacing of the front power device is 2.5-3 times that of the rear power device, the spanwise projection is located at 40%-60% of the wing span length, and the height is matched with the wing leading edge to realize jet flow lift increase; the height and horizontal position of the rear power device are optimized to ensure stable air intake. The thrust vector nozzle takes the horizontal axis of the fuselage as the 0° reference, the vector angle adjustment range is not less than -95°-+15°, and the hovering, mode transition and steady switching of the flat flight are realized through differential adjustment. The application cancels the tilting mechanism, reduces the structural dead weight, reduces the aerodynamic interference, and improves the cruising speed and flight safety.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Power module package

The application relates to the technical field of power distribution equipment, and discloses a power module integrated equipment, which comprises a switch cabinet, the bottom of the switch cabinet is fixedly connected with a bottom plate, the lower side of the bottom plate is provided with a load-bearing foundation, the inner side of the bottom plate is provided with a mounting mechanism, the mounting mechanism comprises a supporting disc, the supporting disc is arranged on the inner side of the bottom plate, the bottom of the inner side of the bottom plate is rotatably connected with a clamping jaw around, the upper side of the clamping jaw is fixedly connected with a connecting plate, and the top of the connecting plate is rotatably connected with the supporting disc. The gravity of the switch cabinet makes the bottom plate contact with the load-bearing foundation, forces the elastic contact block to move upwards relative to the bottom plate, drives the supporting disc to slide upwards along the guide rod by overcoming the resistance of the return spring, and when the supporting disc slides upwards, the connecting plate pulls the clamping jaw to rotate, so that the clamping jaw is automatically clamped into the clamping groove on the top of the load-bearing foundation, thereby realizing automatic locking and fixing by using the dead weight.
Owner:BEIJING DONGSHENG QIANJIN SWITCH PLANT

A distillation apparatus for petroleum refining

ActiveCN224299153UHydrocarbon distillationDistillation separationTowerPetroleum oil
The utility model provides a distillation device for petroleum refining belongs to petroleum processing technical field to solve the problem that the flange hole position of tower body is difficult to fast accurate alignment when the existing atmospheric distillation column is in the upper and lower two tower body splicing, is affected by hoisting error, tower body dead weight, including distillation tower main part, fixed butt joint block, transmission box, lifting ring, auxiliary positioning assembly and protection assembly, a plurality of fixed butt joint blocks are fixedly connected in the front and back sides of the top of the tower body of distillation tower main part, a plurality of protection boxes are fixedly connected in the front and back sides of the top of the tower body of distillation tower main part, a plurality of auxiliary positioning assemblies are arranged in the inside and above a plurality of fixed butt joint blocks, and a plurality of protection assemblies are arranged on the top of a plurality of protection boxes, the utility model realizes the auxiliary accurate positioning when the tower body splicing, eliminates the flange butt joint deviation caused by hoisting error, drives the shielding plate protection lifting ring automatically when the auxiliary tower body positioning, reduces the corrosion risk.
Owner:NINGXIA MEMPHIS TECHNOLOGY DEVELOPMENT CO LTD

Vacuum pit gas nitriding furnace with lifting structure

The utility model relates to the field of vacuum shaft type gas nitriding furnace, especially a vacuum shaft type gas nitriding furnace with lifting structure, including first platform, the middle part of first platform upper surface is provided with support platform, the upper surface of support platform is provided with furnace body, the bottom of furnace body lateral wall is evenly arranged and is provided with a plurality of lifting mechanisms, and the lifting mechanism includes sliding block, sliding rod, sliding rod is evenly arranged and is provided at first platform upper surface, and sliding block is slidably connected on sliding rod, one side of furnace body is provided with second platform, the utility model forms vertical slide rail structure through the sliding block and sliding rod that set up, and the lifting path of furnace body is restricted, the first mounting hole of sliding block and the second mounting hole of sliding rod are fixed through the bolt, can lock the furnace body at any height, adapts to different well depth working condition, and the support platform supports the dead weight of furnace body, reduces the long -term load of lifting mechanism, and the lifting mechanism that sets up cooperates the hoist and realizes the flexible lifting of furnace body.
Owner:CASE FURNACE TECH JIANGSU CO LTD +1

A uHPC cable manhole cover

The utility model discloses a kind of UHPC cable manhole covers, including the cover plate body made of UHPC, multiple groups of reinforcement cage are pre-buried along length direction in the cover plate body inside, and reinforcement cage includes longitudinal main reinforcement and transverse distribution reinforcement;Anti-skid texture is equipped on the upper surface of cover plate body, and sealing groove is equipped on the side surface of four around, and rubber sealing strip is adaptively installed in sealing groove;Hoisting connecting part is equipped on the side surface of both ends of the short side of cover plate body;Reserved mark area is on the upper surface of cover plate body, multiple groups of reinforcing ribs are arranged along width direction in the cover plate body inside, and drainage groove is set up on the upper surface, the utility model uses UHPC material, compared with traditional concrete, high in strength, good in durability, under the premise of guaranteeing cover plate strength, cover plate thickness can be appropriately thinned, effectively reduce dead weight, after testing, the utility model cover plate body compared with same size ordinary concrete cover plate dead weight lightens 30%-40%, convenient to carry and install, reduce construction difficulty and labor intensity;Meanwhile, the high durability of UHPC makes cover plate long-term use under harsh environment, reduces maintenance replacement frequency, reduces whole life cycle cost.

Liquid chlorine tank truck filling device

The present application relates to the technical fields of tank truck filling, and discloses a liquid chlorine tank truck filling device, which comprises a supporting column, the outer wall of the supporting column is provided with a plurality of conveying pipes, the outer wall of each conveying pipe is fixedly connected with a flange plate, the side of each conveying pipe away from the flange plate is rotatably connected with a rotary joint, and the outer wall of each conveying pipe is fixedly connected with a balancer, when the second fixing disc suddenly rotates, the limiting rod moves to the right side under the influence of centrifugal force, the limiting rod is in contact with the side wall of the second limiting groove, so that relative stillness is generated between the first fixing disc and the rotary joint, the rotation of the conveying pipe at the inner wall of the rotary joint is limited, the problem that if the balancer matched with the crane pipe suddenly fails when the crane pipe is connected with the tank truck and enters the medium conveying operation stage, the conveying pipe body rotates uncontrollably at the rotary joint under the influence of the relatively large dead weight of the crane pipe body, and the structural damage of the filling joint and safety accidents are caused is effectively prevented.
Owner:HENAN WANHE TONGHUI DIGITAL TECHNOLOGY CO LTD

Safe and labor-saving cover plate channel reinforcing structure

The utility model provides a safe and labor-saving type cover plate groove reinforcing structure, safe and labor-saving type cover plate groove reinforcing structure sets up in the cover plate groove bottom four around position of the hole of hanging things, includes horizontal steel sheet, side wall steel sheet, vertical bolt and horizontal bolt, horizontal steel sheet is located in the cover plate groove bottom four around position, and the horizontal steel sheet is anchored with the floor concrete through the vertical bolt, the side wall steel sheet is fixedly set up the side wall steel sheet in the bottom of the side of the cover plate groove far away, and the side wall steel sheet is anchored with the structure beam concrete through the horizontal bolt, the utility model discloses compact structure arrangement, under the premise of not changing the existing concrete slab, beam structure, for improving the load -bearing capacity of the hole of hanging things cover plate groove, sets up the reinforcing structure in the cover plate groove bottom around the hole of hanging things, and the reinforcing structure and the existing concrete structure joint stress, jointly bear safe and labor-saving type cover plate dead weight and the overburden load, satisfy safe and labor-saving type cover plate installation and operation requirement, the utility model discloses wide application range, has apparent technical and economic superiority.
Owner:POWERCHINA BEIJING ENG CORP

UHPC reinforced reinforced concrete shear wall structure and construction method thereof

ActiveCN117449505BWallsBuilding repairsReinforced concreteEdge surface
The application provides a UHPC reinforced reinforced concrete shear wall structure and relates to the field of building structures.The UHPC reinforced reinforced concrete shear wall structure comprises a reinforced concrete shear wall body, a UHPC sleeve, a connecting piece and a steel plate.The UHPC sleeve is wrapped around the periphery of the reinforced concrete shear wall body, the steel plate is arranged on the edge surface of the UHPC sleeve, one end of the connecting piece is arranged on the outer side of the steel plate, and the other end of the connecting piece penetrates the inner side of the steel plate to connect the reinforced concrete shear wall body and the UHPC sleeve.The structure fully combines the performance advantages of UHPC materials and steel materials, and is composed of a whole force-receiving body, so that the structure can exert the advantages of the mechanical properties of UHPC, improve the appearance of the traditional reinforced concrete structure with increased section, and has smaller influences on the dead weight and stiffness of the structure, and meanwhile, the durability of the structure is improved.The application further provides a construction method based on the UHPC reinforced reinforced concrete shear wall structure.
Owner:HUAQIAO UNIVERSITY

An ultra-high performance concrete core column slab and an integrated design method thereof

The application discloses an ultra-high performance concrete core column plate and an integrated design method thereof. According to the bending moment envelope, the plate span is divided into a pure bending section and a shear span section along the plate span direction, and the UHPC core column spacing, the plate thickness and the tensile reinforcement ratio are adjusted in different sections. In the bending moment peak value area, the core column spacing is reduced, the bottom plate thickness and the reinforcement ratio are appropriately increased, in the smaller bending moment area, the core column spacing is increased, and the reinforcement ratio is reduced, so as to control the dead weight and the cost. The relative density of the core column continuously or sectionally changes in the full span range. Based on the approximate linear relationship among the bearing capacity, the UHPC tensile strength, the tensile reinforcement ratio and the plate thickness, a bearing capacity expression is established, the material performance and the structural parameters of each section are reversely calculated by taking the bending moment and the deflection limit value as constraints, the cross-direction gradient configuration of the UHPC and the steel reinforcement is realized, and the economy and the structural performance are significantly improved.
Owner:HUNAN UNIV

A luggage storage bag

The utility model belongs to the technical field of storage bag, especially relates to a luggage storage bag, including bag body and support assembly, bag body has top wall and cavity, the middle part of top wall is seted up with the opening along its length direction, makes the top wall form two opposite unfolding walls, two ends of two unfolding walls are connected with each other, the opening is provided with zip fastener for opening or closing the opening, when zip fastener opens the opening, two unfolding walls can form a bag opening to the outside unfolding, all be provided with support assembly on unfolding wall, and support assembly is used for supporting unfolding wall when unfolding wall is unfolded to the outside, the utility model discloses the cooperation between unfolding wall and support assembly makes two unfolding walls form large -size bag opening after unfolding, is favorable to the article in the cavity is placed and is taken out, effectively improves the convenience of operation. The support assembly on unfolding wall props unfolding wall when unfolding, can avoid its because dead weight and collapse or collapse, need not to use hand to prop up the bag opening.
Owner:FOSHAN ZHIMAI TECHNOLOGY CO LTD

A self-compacting steel reinforced concrete column and orthogonal truss connecting joint suitable for large span

PendingCN122383073AReinforced concrete columnPull force
The application relates to the technical field of building, and discloses a self-compacting steel reinforced concrete column and orthogonal truss connecting joint suitable for large span, which comprises a concrete column and an orthogonal truss connecting steel frame. The anti-deformation mechanism formed by a rocker arm, a sleeve ring, a sleeve, a threaded sleeve and a hook can drive the hook to retract by rotating the threaded sleeve, drive the rocker arm and the sleeve to form an active tension on the truss in an inclined linear shape, and real-time offset the deformation trend of the truss caused by the dead weight and external load, so as to guarantee the structural stability and use safety. The synchronous frame of the rotation center of the rocker arm and the end pressure roller can be synchronously supported at the bottom of the U-shaped steel frame when the angle of the rocker arm is adjusted, supplement the vertical supporting force of the U-shaped steel frame, enhance the tightness of the connection between the truss and the U-shaped steel frame, form horizontal and vertical bidirectional stability guarantee, and strengthen the overall stability of the joint.
Owner:CHINA CONSTR FOURTH ENG DIV CORP LTD +1