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139results about How to "Overall good" patented technology

Lattice type prefabricated prestressed underground continuous wall and its construction method

The invention discloses a latticed type precast prestressed underground diaphragm wall, comprising a precast wall body, wherein two rows of prestressing steel strands vertically pass through the inside of the precast wall body; the prestressing steel strands apply prestress after the concrete strength of a concrete wall body reaches over 80 percent, and the upper and lower end faces of the precast wall body are locked by prestressing anchorage device; two rows of the prestressing steel strands are connected at intervals through transverse structure reinforcing steel bars along the height direction; joint parts on two sides of the precast wall body are of a concave semicircular shape; a protective layer is concreted on the periphery of each prestressing steel strand; and a hollow through hole throughout the height direction of the wall body is arranged inside the precast wall body. The diaphragm wall is concreted and precast on the ground, which can well guarantee the shape, size and density of the wall body, ensures that the quality of the wall body cannot be affected by strata or slurry wall, and can thoroughly eradicate joint mud inclusion, wall body sand inclusion, reinforcing steel bar exposure, loosening, wall surface protuberance, water leakage, sand shifting and other quality qualitative common faults.
Owner:万勇 +3

Pre-fabricated building removable partition, wall splicing structure, and construction method

Provided are a pre-fabricated building removable partition, a wall splicing structure, and a construction method. The pre-fabricated building removable partition comprises a wall main body, and a partition removable mechanism and a partition lifting mechanism added on the lower side of the wall main body. The wall main body comprises a cavity formed by a front panel, a rear panel, an upper blanking plate, a lower supporting plate, a right end plate, and a left end plate. A hollow threading lightgage steel joist and cavity filling foam are arranged in the cavity. The partition removable mechanism and the partition lifting mechanism are fixedly connected with the lower supporting plate. The lower sides of the front panel and the rear panel are respectively connected with a skirting board shielding the removable mechanism and the lifting mechanism. Gaps are filled with the cavity filling foam. The top end face of the wall main body is provided with a sealing band which is abutted against a room roof. The pre-fabricated removable partition can be produced and assembled in a factory, and is lifted and installed on an installation site, and the pre-fabricated removable partition has good dimension stability and good sound insulation, and satisfies variable requirement of people on living space. The pre-fabricated removable partition can greatly improve utilization rate of a building space, and promotes development of buildings.
Owner:TIANYUAN CONSTR GROUP

Wind power generation tower prestress anchor bolt cage

InactiveCN103938647AImprove force transmission performanceOverall goodBulkheads/pilesSteel platesEngineering
The invention relates to a wind power generation tower prestress anchor bolt cage which comprises an anchor bolt, an upper flange and a lower flange. The anchor bolt penetrates through an anchoring nut, the lower flange, a positioning nut, an anchor bolt casing pipe, an adjusting nut, the upper flange, a T-shaped flange at the bottom of a wind power generation tower and a locking nut in sequence. The upper flange is an annular steel plate, an anchor bolt hole is an inverted-cone hole, and the adjusting nut can support the upper flange and adjust the levelness of the upper flange; the lower flange is an annular steel plate, a lower flange support bolt and a support nut bear the weight of the lower flange and can adjust the levelness of the lower flange, the lower flange is fixed through a pressing nut, and the lower flange support bolt is supported on a base plate. According to the wind power generation tower prestress anchor bolt cage, the anchor bolt and foundation concrete are separated through the anchor bolt casting pipe, the anchor bolt applies pretension force, and the concrete is subjected to the stress; the position and levelness of the upper flange are adjusted through the adjusting nut; the inverted-cone hole of the upper flange enables the center area, the inner edge and the outer edge of the T-shaped flange at the bottom to be pressed against the upper flange more tightly, and the inverted-cone hole is filled with sealing materials. The wind power generation tower prestress anchor bolt cage enables the integrality of the connection of a tower frame and the foundation to be good, is even in rigidity, and improves durability and anti-fatigue performance of connection.
Owner:闵怡红

Prefabricated steel fiber sludge-made ceramisite concrete wall based on T-shaped groove connection and construction method of prefabricated steel fiber sludge-made ceramisite concrete wall

A prefabricated steel fiber sludge-made ceramisite concrete wall based on T-shaped groove connection comprises prefabricated wall plates, cast-in-place connection columns and cast-in-place vertical edge components, wherein the two lateral sides of each prefabricated wall plate are each of a T-shaped groove structure, horizontal and vertical reinforcing steel bars are arranged in the prefabricated wall plates, each cast-in-place column is embedded in the T-shaped groove structures of the corresponding adjacent prefabricated wall plates to connect the prefabricated wall plates, each cast-in-place vertical edge component is provided with a longitudinal protrusion structure matched with the corresponding T-shaped groove structure, the longitudinal protrusion structures are embedded in the T-shaped groove structures on the outer sides of the edge prefabricated wall plates, longitudinal ribs are arranged in the cast-in-place vertical edge components, and reliable anchoring is achieved when the longitudinal ribs and the horizontal reinforcing steel bars in the edge prefabricated wall plates are embedded and spot welding is conducted on the joints one by one. The invention further provides a construction method of the prefabricated steel fiber sludge-made ceramisite concrete wall, and by means of the innovation of materials, the connection mode and the rib matching mode, the wall structure can have the advantages of being capable of lowing energy consumption and reducing vibration, ecological, environmentally friendly, capable of being rapidly constructed, economical and practical.
Owner:西咸新区矩阵住宅工业有限公司

Side slope ecological protection method combining vegetation nursery grooves with hung-net spray-seeding

Disclosed is a side slope ecological protection method combining vegetation nursery grooves with hung-net spray-seeding. The method comprises the following steps that (1) the slope surface of a side slope is cleaned to be smooth; (2) nets are laid; (3) the vegetation nursery grooves are designed; (4) ground anchors are installed; (5) the vegetation nursery grooves are constructed, and the construction of the vegetation nursery grooves is completed according to the vegetation nursery groove design scheme determined in the step (3); (6) the step (5) is repeated to construct the multiple vegetation nursery grooves in the slope surface of the side slope; (7) base material mixtures are sprayed to the whole slope surface; and (8) the vegetation nursery grooves are filled, namely the side slope ecological protection is achieved through the combination of the vegetation nursery grooves and the hung-net spray-seeding. According to the side slope ecological protection method combining the vegetation nursery grooves with the hung-net spray-seeding, the vegetation nursery grooves and the hung-net spray-seeding are combined organically, and the attachment of the nets and the slope surface is improved. In addition, the stability of the side slope is improved, and the project investment is reduced, so that the anticipative ecological protection function on the constructed project can be achieved.
Owner:CHINA THREE GORGES UNIV +2

LED panel lamp

The embodiment of the invention provides an LED panel lamp. The LED panel lamp comprises a back plate, reflector paper, a light guide plate, a diffusion plate, light source assemblies and a frame assembly. The frame assembly comprises a frame and a movable plate, the movable plate is movably assembled on the inner side of the frame, and an extrusion space is formed between the opposite surfaces of the movable plate and the frame; and an expansion piece is assembled in the extrusion space, and the movable plate moves towards the center of the frame through the extrusion counter force of the expansion piece. The back plate is arranged in a covering mode and fixed to the top of the frame. The diffusion plate, the light guide plate and the reflector paper are sequentially arranged between supporting parts of the frame and the back plate in a laminating mode, and the reflector paper is tightly attached to the inner side of the back plate. The light source assemblies are assembled on the side surface, facing the light guide plate, of the movable plate. Each light source assembly comprises an aluminum substrate, an LED light source and partition strips arranged on the two sides of the LED light source in a spaced mode. The LED light sources and the partition strips are arranged on the aluminum substrates. The partition strips are attached to the ends of the light guide plate, and the thickness of the partition strips is larger than that of the LED light sources. A gap is formed between the end of the light guide plate and the end of each LED light source.
Owner:ZOPOISE TECH

Multi-wall body composite material component and RTM preparation method thereof

InactiveCN102717516AImprove overall performanceOverall goodFastenerTransfer molding
The invention discloses a multi-wall body composite material component and a RTM (Resin Transfer Molding) preparation method thereof, wherein the multi-wall body composite material component mainly comprises an interior wall component and an exterior wall component; neither connecting pieces nor cementation surfaces are arranged between the interior wall bodies of the interior wall component, between the exterior wall bodies of the exterior wall component and between the interior wall component and the exterior wall component; and the multi-wall body composite material component is mainly obtained after the interior wall component and the exterior wall component are co-cured and formed integrally. The RTM preparation method comprises the steps as follows: firstly, a die used for forming is prepared, the die comprises a female die and a male die, the female die is arranged on the periphery of a die cavity, and the male die is arranged in a gap among a cavity body of the die cavity; prepared holes for assembling are formed in the female die and the male die; a glue injection hole and a glue outlet hole which are used for forming are pre-formed in the female die; then reinforcing material is laid on the male die, and the female die and the male die are assembled through a fastening piece; and finally, the multi-wall body composite material component is obtained after vacuum glue injection, co-curing forming and demoulding trimming are carried out. The multi-wall body composite material component and the RTM preparation method thereof have the advantages of good building integrity, good reliability and good mechanical property, and can facilitate the realization of a light structural weight of equipment.
Owner:NAT UNIV OF DEFENSE TECH

Turntable robot welding system

The invention relates to a robot welding system, in particular to a turntable robot welding system used for welding a medium plate. The turntable robot welding system comprises a central support, a triaxial moving device, a suspension robot, a biaxial positioner and a turntable clamp. A sliding rail of a front and rear shaft is arranged on a beam on the top of the central support. A front and rear shaft of the triaxial moving device is arranged on the sliding rail of the front and rear shaft, and a main body of the triaxial moving device is provided with a left and right shaft in a sliding mode through a sliding rail of a left and right shaft. One end of the left and right shaft is fixed with a sliding rail of an up and down shaft, which is provided with an up and down shaft in a sliding mode. The lower end of the up and down shaft is provided with the suspension robot. A dust removal device which is fixed with the up and down shaft is arranged above the suspension robot. The L-shaped biaxial positioner is arranged on a transmission case fixed with the base through a tilting axis thereof. A rotating shaft is fixed on the L-shaped biaxial positioner and provided with the turntable clamp through a rotating mechanism. The turntable robot welding system has the advantages of simple structure and excellent integrity. The suspension robot can be omnidirectionally positioned in a welding range, and the top dust removal device effectively covers a welding area.
Owner:TANGSHAN KAIYUAN AUTOWELDING SYST

Long-span deformed steel truss and floor steel structure installation and construction method

The invention discloses a long-span deformed steel truss and floor steel structure installation and construction method. The method includes the steps that firstly, a steel structure lifting frame and a lifting frame platform are installed on a lifting frame foundation; secondly, a lifter is installed on the lifting frame platform, and a steel strand is connected to the lower end of the lifter; thirdly, a first lifting partitioning unit of a main truss is spliced on a temporary tower between terraces on two sides; fourthly, the first lifting partitioning unit is hoisted by means of a temporary sling installed on the steel strand, then the left end and the right end of the first lifting partitioning unit extend to the terrace sides, and second lifting partitioning units are spliced; fifthly, the fourth step is repeated till the main truss of a gymnasium ceiling is spliced; seventhly, a front lifting partitioning unit, a left corner truss, a right corner truss, a front end truss and a rear end truss which are connected with the main truss are installed; eighthly, floor steel structures are installed along the outer facades of the outer side and the inner side of a gymnasium respectively. By the adoption of the method, loads can be effectively borne.
Owner:CHINA CONSTR SIXTH ENG BUREAU CIVILENG +1

Dynamic cyclic load retaining wall model test device and test method

The invention discloses a dynamic cyclic load retaining wall model test device and a test method. The dynamic cyclic load retaining wall model test device comprises a model groove fixedly connected with the ground. A retaining wall filled with soil is arranged in the model groove and comprises retaining wall vertical plates arranged oppositely and a retaining wall bottom plate arranged at the lower ends of the retaining wall vertical plates. Seismic dynamic load applying equipment is arranged at the bottom of the retaining wall. A vehicle dynamic cyclic load device is fixedly arranged at the top of the retaining wall. The seismic dynamic load applying equipment and the vehicle dynamic cyclic load device are controlled by a controller. A soil pressure monitoring device used for testing pressure on soil and a displacement monitoring device used for monitoring the horizontal displacement of the retaining wall are arranged in the retaining wall. According to the dynamic cyclic load retaining wall model test device and the test method, the seismic dynamic load applying equipment and the vehicle dynamic cyclic load device are arranged to apply different dynamic loads on the retaining wall, and therefore a technician is guided to reasonably consider the influence of dynamic loads on the stability of the retaining wall in the construction period.
Owner:POWERCHINA HEBEI ELECTRIC POWER SURVEY & DESIGN INST CO LTD

Bridge deck pavement surface layer structure and maintenance construction method

The invention discloses a bridge deck pavement surface layer structure and a maintenance construction method. The structure comprises a bridge deck concrete pavement layer and is characterized in that the bridge deck concrete pavement layer is coated with a bond waterproof layer with ester adhesives as primer, and a colloidal concrete pavement layer formed by blending a curing agent, polyurethane and aggregate is laid on the bond waterproof layer; and an anti-sliding layer is arranged on the colloidal concrete pavement layer. The structure has the beneficial effects that good integrality and waterproofness are achieved, it is ensured that a whole bridge deck is waterproof and free of water seepage, and therefore the waterproof effect is achieved; the good high-temperature-resisting performance is achieved; high wear resistance is achieved, and wear resistance of the structure is ten times that of common cement concrete; and good pressure resistance and the good bending resistance strength are achieved, the repeated effect of loads of a high-flow vehicle can be resisted, and it is ensured that the bridge deck is free of damage to grooves, cracks and the like. According to the construction method, the requirement for the construction environment condition is not high, no special construction tool is needed, no strict technological requirement is needed, and the engineering cost is relatively low.
Owner:NINGBO ROABY TECH INDAL GROUP

I-shaped semi-vertical linkage protection slope building block with open holes

ActiveCN104963313AOverall goodStrong anti-scouring abilityCoastlines protectionExcavationsUplift pressureSurface plate
The invention discloses an I-shaped semi-vertical linkage protection slope building block with open holes. The building block comprises an I-shaped building block body prefabricated with dry hard concrete materials through a vibration extrusion forming process, and is characterized in that linkage tenons are arranged on the faces, opposite to flanges, in two groove openings formed by the two flanges and a web of the I-shaped building block body; the linkage tenons in the same groove opening are symmetric, the linkage tenons in the different groove openings are arranged vertically, two holes are formed in the web, and the outer sides of the two flanges are each provided with a groove. A protection slope formed by laying the building block has better integrity than a traditional protection slope, wave runup and uplift pressure are lowered through the open holes of a face plate of the building block, and high erosion resistibility is achieved. The building block can adapt to small-amplitude changes of temperature, and is good in frost heaving preventing capacity, high in construction efficiency, and the protection building thickness of the protection slope can be reduced. The building block is durable and overall attractive and elegant, investment is saved, and later running maintenance is convenient.
Owner:SHANDONG UNIV +1
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