23results about How to "Easy to prefab" patented technology

The invention discloses a shield segment prefabrication method and a production line, and relates to the technical field of shield segment prefabrication production. The shield segment prefabrication method comprises the steps that concrete is poured into a shield segment prefabrication mold; in the length direction of the prefabricated shield segment mold, a plurality of sequentially-arranged temperature monitoring intervals are obtained through marking, and the multiple temperature monitoring intervals jointly cover concrete; the concrete and the prefabricated shield segment mold are put into a steam curing kiln; steam curing is conducted on the concrete, and temperature information of the concrete corresponding to the temperature monitoring intervals is obtained through the temperature monitoring intervals; adjusting steam curing parameters of the steam curing kiln according to the temperature information; and film covering maintenance is conducted, and prefabrication of the shield segment is completed. According to the shield segment prefabricating technology, a whole set of systematic shield segment prefabricating technology is formed from concrete pouring, temperature monitoring, steam curing and later film covering curing, the prefabricating process of the shield segment is optimized, and the quality of the prefabricated shield segment is improved.

The utility model relates to the technical field of snow melting devices, and discloses an assembly type pavement snow melting device and an assembly type pavement slab. The fabricated pavement slab is in a cuboid shape and is divided into an upper-layer structure and a lower-layer structure from top to bottom, the upper-layer structure is made of a steel fiber concrete material, and the lower-layer structure is made of a common concrete material; a PVC pipe; a plurality of the lower-layer structures are arranged in the lower-layer structure at equal intervals; a heating layer; the heating element is arranged on the middle lower side in the upper-layer structure; a thermal insulating layer; the heating layer is arranged on the lower side of the heating layer; a power supply system; the solar power supply module is electrically connected with the heating layer and supplies solar power or municipal power to the heating layer under control.

The utility model discloses a shielding sound insulation wall which comprises a base, a wall body is arranged in the base, a preformed hole is formed in the wall body, an opposite-pull screw rod is arranged in an inner cavity of the preformed hole, a top seat is arranged at the end, away from the base, of the wall body, and a first U-shaped clamping block is fixedly installed on the bottom wall of the middle of the inner side of the base. The inner side of the first U-shaped clamping block is fixedly connected with the wall body, a wall body decoration layer is formed on the exposed part between the base and the wall body, the wall body comprises a base body, a sound insulation structure is arranged on one side of the base body, a lead plate is arranged on the side, away from the base body, of the sound insulation structure, and the sound insulation structure comprises a sound insulation cotton plate. The sound insulation cotton plates are located on the two sides of the base body, and sound absorption plates are arranged on the sides, away from the base body, of the sound insulation cotton plates. According to the utility model, the phenomenon that electromagnetic waves and rays penetrate through wall body connecting gaps can be avoided, and the sound insulation effect of the wall body can be improved.

A power transmission line overhanging tower ground wire double-hanging-point structure comprises an iron tower fixing frame, supporting angle steel is symmetrically arranged on the iron tower fixing frame and fixedly connected with the iron tower fixing frame through a first locking piece, and the supporting angle steel is fixedly connected with symmetrically-arranged hanging point angle steel through a second locking piece. The hanging point angle steel is connected with one end of the installation piece through a third locking piece, an installation groove is formed in the installation piece, a hanging point steel plate is arranged in the installation groove and fixedly connected with the installation piece through a fourth locking piece, and hanging holes are symmetrically formed in the hanging point steel plate. By adopting the structure, the original structure of the transmission tower is slightly changed, flexibly adjusted and refitted, and is convenient and practical; the hanging point steel plates are convenient to prefabricate, are independently manufactured according to different sizes and intervals of hanging holes, and are convenient to disassemble, assemble and select; the whole structure is simple and firm, modification, maintenance and replacement are convenient, and practicability is high.

The invention relates to the technical field of engineering construction, in particular to a scroll type UHPC concrete composite board ground hardening technology and utensil which comprises a UHPC concrete composite board and a storage tool used for driving the UHPC concrete composite board to be laid and taken back. The UHPC concrete composite board comprises a first board, a standard board, a lengthened board, a shortened board and a tail board. Each UHPC concrete composite board is composed of a face board, a bottom board, hinge teeth and shear pins. The UHPC concrete composite boards are connected through hinges. Large-area long-distance ground hardening mechanical operation and recycling mechanical operation are achieved, and the construction efficiency is high; the reel type UHPC concrete composite board can be recycled for multiple times, and generation of construction waste and loss of steel are reduced.

This invention relates to a prefabricated 3D-printed box-type concrete retaining wall and retaining wall system. The prefabricated 3D-printed box-type concrete retaining wall is assembled from 3D-printed concrete retaining wall units. Each 3D-printed concrete retaining wall unit is an integrated 3D-printed concrete structure, consisting of an arched outer wall panel, a concave inner wall panel, and concave side wall panels, which enclose a cavity. A transverse keyway is formed between the concave side wall panels of adjacent 3D-printed concrete box-type retaining wall units. Shear keys are formed by casting cement-based material within the transverse keyway, enabling the combined load-bearing capacity of the 3D-printed concrete retaining wall units. Under the same loading conditions, the peak bearing capacity of the structure of this invention is significantly improved compared to traditional vertical box-type retaining walls, and the bearing performance is further enhanced under simulated backfill conditions, demonstrating good engineering applicability and green construction value.

The invention discloses a floating dock sewage well heavy cover which comprises dock wall side fixing pieces, longitudinal auxiliary reinforcing ribs, longitudinal main reinforcing ribs, heading fixing pieces, transverse anti-falling rods, transverse reinforcing ribs, dock middle side fixing pieces, stern fixing pieces and support legs. The transverse reinforcing ribs and the transverse anti-falling rods are fixedly connected with the dock wall side fixing pieces, the longitudinal auxiliary reinforcing ribs, the longitudinal main reinforcing ribs and the dock middle side fixing pieces in sequence, the heading fixing pieces and the stern fixing pieces are fixedly connected with the longitudinal auxiliary reinforcing ribs and the longitudinal main reinforcing ribs in sequence, and the tops of the support legs are fixedly connected with the longitudinal main reinforcing ribs. The floating dock bilge well heavy cover is easy to construct, convenient to install, flexible to operate and easy to overhaul, meets the green and environment-friendly requirement, has high practicability, can bear passing of heavy engineering vehicles under the condition that waste is effectively filtered, is installed after being integrally prefabricated, does not need to fix any auxiliary part in the bilge well in advance, and is convenient to install and maintain. Prefabrication is simple, economical and practical.

The invention relates to a socket type energy dissipation swing pier-cover beam joint structure and a construction method thereof, and belongs to the technical field of bridge engineering. Comprising a pier prefabricated and assembled upper section, a cover beam, a swinging device, a limiting type energy dissipation device, an amplification type energy dissipation device and unbonded prestressed tendons. The prefabricated and assembled upper section of the bridge pier is embedded into the cover beam in a socket manner, and a swinging device is arranged between the top and the bottom of the cover beam; limiting type energy dissipation devices are arranged on the portion, embedded into the bent cap, of the prefabricated and assembled upper segment of the bridge pier and the side wall of the bent cap. An amplification type energy consumption device is arranged at the connection position of the side wall of the prefabricated and assembled upper segment of the pier and the bottom face pier-cover beam of the cover beam; unbonded prestressed tendons are arranged among the prefabricated and assembled upper section of the bridge pier, the cover beam and the swinging device in a penetrating manner. The problems that a traditional swing bridge pier and bent cap joint is insufficient in shear resistance and concentrated in stress are solved, the shear resistance, the energy dissipation capacity and the function restorability of the bridge pier-bent cap joint are improved, and the requirements for post-earthquake maintenance and reinforcement are reduced.

The present invention relates to a heat-absorbing module (1) of a device for wrapping and passive fire protection of elements to be protected. The module is characterized in that it extends along a longitudinal axis (X-X'), wherein it comprises two rectangular strips of fire-resistant barrier fabric (11, 12), wherein the two fabric strips (11, 12) are assembled so that their respective long sides are parallel to the longitudinal axis (X-X') of the module (1) and are stitched together to form a plurality of closed oblong storage pockets (13) having a longitudinal axis (Y-Y'), said storage pockets (13) being parallel to each other along their longitudinal sides, and the longitudinal axes (Y-Y') of the storage pockets (13) being perpendicular to the longitudinal axis (X-X') of the heat-absorbing module (1), and wherein at least one of the storage pockets (13) is filled with a heat-absorbing material (100) in powder form.

The present invention discloses a prefabricated guide groove forming device for assembled support piles, and specifically relates to the technical field related to the prefabricated guide groove forming device for the support piles, including a workbench, wherein the upper end of the workbench is provided with two symmetrically arranged L-shaped limit blocks, and a movable groove 1 penetrating through the lower end is provided at a part of the upper ends of the two L-shaped limit blocks close to each other, and the interiors of the two movable grooves 1 are jointly provided with an adjustment mechanism extending to the outside thereof, and the adjustment mechanism includes two L-shaped limit plates 1 respectively slidably connected to the interiors of the two movable grooves 1 located on the same side. The prefabricated guide groove forming device for assembled support piles described in the present invention is provided with an adjustment mechanism, so that when the L-shaped limit plate 1 moves downward, the horizontal part of the L-shaped limit plate 2 will retract into the empty groove, and when the L-shaped limit plate 1 moves upward, the horizontal part of the L-shaped limit plate 2 will extend out of the empty groove, so that the thicker steel plate can be bent.

This utility model proposes a prestressed composite beam structure with semi-circular corrugated tube confined concrete compression members, belonging to the field of building beam structure technology. It includes a concrete top slab, with a concrete bottom slab at its base. Shear keys are respectively installed within the top and bottom slabs, and semi-circular corrugated tube confined concrete compression members connect the two opposing shear keys. Prestressed tendons, with both ends passing through the semi-circular corrugated tube confined concrete compression members, are anchored to the shear keys, connecting the semi-circular corrugated tube confined concrete compression members between the top and bottom slabs. Compared with traditional beam structures, this composite beam has a significantly improved load-bearing capacity, capable of withstanding greater loads without failure, while also exhibiting significantly enhanced stiffness and smaller deformation under load, effectively improving the safety and stability of the structure.

The invention belongs to the technical field of hydraulic engineering, and particularly relates to a hydraulic engineering steel pipe inner wall concrete pipe which comprises a steel pipe and a concrete pipe wall coaxially and fixedly connected to the outer side of the steel pipe. The front end and the tail end of the concrete pipe wall are respectively provided with an inserting part and a splicing part, and the splicing part of the previous concrete pipe wall is spliced and fixedly connected with the inserting part of the next concrete pipe wall; and the tail end of the front steel pipe is fixedly connected with the front end of the rear steel pipe. Compared with a traditional technical scheme, the combination of the steel pipe and the concrete pipe wall avoids the buckling problem of the steel pipe and the abrasion problem of an outer anticorrosive layer when the steel pipe is directly adopted for pipe jacking, the connectors can be conveniently aligned through the arrangement of the insertion part and the splicing part, the structure is simple, prefabrication is convenient, the construction period can be remarkably shortened, and the cost is reduced; and the pipeline bearing capacity and the pipeline durability are improved.

The dough storage box comprises a bottom box, a box cover, a storage plate and a detection mechanism, the surface of the bottom box is provided with the box cover which is rotationally connected, one side of the box cover is connected with the bottom box in a buckled mode, the storage plate is arranged in the bottom box, a plurality of containing grooves are formed in the surface of the storage plate, and the detection mechanism is arranged in the containing plate. The bottom of the bottom box is fixedly connected with a detection mechanism, the detection mechanism comprises a placing disc, a detection head, a display screen and a controller, the surface of the placing disc is fixedly connected with the detection head, the edge of the placing disc is fixedly connected with the display screen, and the controller is fixedly connected to the lower surface of the placing disc. And the controller is respectively connected with the detection head and the display screen. The dough storage box is composed of the bottom box, the box cover, the storage plate and the detection mechanism, dough for navel moxibustion can be prefabricated and stored conveniently, meanwhile, a medical cart can be used for moving and carrying conveniently, and the use convenience of navel moxibustion is improved.

The present invention discloses a steel-concrete composite slab-column structure, comprising a reinforced concrete slab and a reinforced concrete column, wherein a steel frame support of the reinforced concrete slab is enclosed by a joist at the top of the column of the reinforced concrete column; the steel frame support has a hoop enclosing the top of the column and a joist connected to the hoop and extending outward along the bottom layer of the reinforced concrete slab; the joist is connected to a fastener embedded in the reinforced concrete slab. Compared with the traditional reinforced concrete flat plate structure with column caps, the present application effectively utilizes the high-strength performance of steel; overcomes the problem that the rolling door cannot be installed to the top due to the obstruction of the traditional column cap, and a avoidance groove is left between the joists to provide space for the installation of the rolling door so that it can be installed to the top.

This utility model relates to a prefabricated building module that is easy to hoist, comprising four rectangularly arranged columns. The lower ends of the columns are detachably connected to adjacent first and second lower crossbeams via connectors, and the upper ends of the columns are detachably connected to adjacent first and second upper crossbeams via connectors. The columns, first lower crossbeams, second lower crossbeams, first upper crossbeams, and second upper crossbeams form the main frame of the building module. Lifting rings for hoisting the main frame are detachably connected to the upper ends of the columns. This utility model not only improves hoisting safety and stability but also increases assembly and transportation efficiency.

The present invention discloses a recoverable anti-falling beam device, comprising: an anti-falling beam unit, which includes a first steel plate, a bottom steel plate, and a second steel plate that are integrally formed in a U-shaped structure; an elastoplastic deformation unit, which includes a third steel plate, a steel plate-rubber cylindrical core, and a fourth steel plate that are integrally formed; a friction energy dissipation unit, which includes an outer steel sleeve and an inner steel sleeve that are sleeved on the steel plate-rubber cylindrical core and connected by a rolling bearing; and a displacement recovery unit, which includes at least one elastic member. The present invention can provide reliable lateral restraint for the upper structure, prevent excessive lateral displacement of the beam body, and consume the seismic force of the upper structure through its own energy dissipation to avoid large lateral forces on the lower structure.

The application relates to a heater assembly for quenching of a superconducting magnet and a superconducting magnet assembly, the heater assembly comprising a heating conductor and an insulator; the heating conductor comprises a stainless steel sheet and a connecting copper bar; the inner side of the two side vertical surfaces of the stainless steel sheet is provided with the connecting copper bar; the inner side insulator and the outer side insulator are connected together and wrap the lower area of the two side vertical surfaces of the stainless steel sheet; and the auxiliary insulator is attached to the two sides of the bottom edge. The superconducting magnet assembly is provided with the heater assembly for quenching of a superconducting magnet between the coil outer layer insulation and the structure reinforcing layer of the superconducting coil; the gap of the ring surface where the bottom edge and the auxiliary insulator are located is provided with a filling layer, and the outside is provided with a structure reinforcing layer. The application provides a specific structure design of the heater assembly, which can be reliably applied to the superconducting magnet assembly, ensures that the heater assembly can intervene in time when the superconducting coil quenches at low temperature, accelerates the coil quench, and thus guarantees the safety and cyclic use of the whole superconducting magnet.

The invention discloses a core column plate end steel bar anchoring and rib end reinforcing structure which is suitable for a high-altitude heart rate UHPC core column plate and an assembly type modular floor system. According to the structure, in a certain range close to a support, a plurality of core columns and ribs are transited from hollow sections to solid or semi-solid sections, and anchoring expanded end rib areas are formed through rib end widening; and the tensile longitudinal steel bars are provided with mechanical anchor heads or closed hooks in the section, and are restrained by being matched with small-diameter stirrups or short U-shaped ribs. An integrated prefabricated end beam or corner beam is wrapped outside the anchoring expanded end rib area and used for connecting bolts or sleeve anchoring, reliable assembly of the module units is achieved, and stress safety in the transportation and hoisting stages is guaranteed. On the premise that the high-altitude heart rate and light weight of the middle ribs and the core columns are kept, sliding and crack propagation of the ends of the tensile steel bars are effectively restrained, and the method is suitable for being applied to large-span high-performance assembly type floor systems and bridge deck slabs.

The invention discloses an anti-slip multi-stage drop culvert, comprising a hollow culvert body, wherein the outer top and outer bottom of the culvert body are both stepped, and a plurality of drop steps are arranged on the inner bottom surface of the culvert body along the water flow direction, and an inclined energy-absorbing steep slope is arranged on the step surface of the drop steps. By arranging the outer top and outer bottom of the culvert body in a stepped shape, the weight of the culvert body acts on the soil below it in a vertical direction, and the covering soil is positively pressed on the top of the culvert body, so that the culvert body and the top covering soil can be effectively prevented from slipping without additionally arranging anti-slip support facilities. At the same time, the water flow is impacted and energy-dissipated by the drop steps and the energy-absorbing steep slope inside the culvert body, and the water flow is further energy-dissipated in cooperation with the energy-reducing protrusions on the inner side of the culvert body, so that the water flow speed can be effectively slowed down without additionally arranging energy-dissipating facilities.

The utility model belongs to the technical field of steel structure engineering, and relates to a cross-shaped modularized steel column inter-module bolting and welding mixed connecting node, which mainly structurally comprises four lower module columns connected through connecting plates, two pored upper module columns with hand holes and two non-pored upper module columns, the upper module columns with the holes and the upper module columns without the holes are adjacently arranged, the main body structure is simple, on the basis of a conventional structure, hand holes are formed in the bottoms of the two upper module columns which are installed in an aligned mode, hand hole sealing plates are arranged at the hand holes, and then bolt connection and welding connection can be combined; the assembling mode is simple and convenient, firstly, the connecting plate is connected with the four lower module columns in a bolt mode, then, the upper module columns and the connecting plate are welded together according to the rule that the upper module columns with holes are adjacent to the upper module columns without holes, at the moment, the upper module columns which cannot be welded on the outer side are welded through the hand holes, and finally, the hand hole sealing plates are welded to the hand holes.

The utility model relates to a pedestrian landscape river-crossing bridge structure, which comprises a bridge deck slab part, a bridge deck slab part and a bridge deck slab part, the bridge deck slab part comprises a plurality of round panels which are sequentially and tangentially spliced, and an outer flange of the bridge deck slab part is arranged in a curve shape; each circular panel comprises a plurality of sector plate units which can be prefabricated and spliced, and a special-shaped steel plate unit is arranged at the splicing position of every two adjacent circular panels; the bridge pier sleeve parts are arranged at the tops of the bridge piers, and the bridge pier sleeve parts are connected with the circular panels in a top sealing mode; the main beam part is used for supporting the bridge deck plate part and comprises a plurality of main supporting beams extending outwards in the radial direction from the bridge pier sleeve part. The utility model solves the problems of tedious assembly, difficult construction, longer construction period and the like caused by complex specifications of special-shaped bridge structural members, reduces the number of members with different specifications, is convenient to prefabricate, standardizes the prefabricated assembly members of the special-shaped landscape bridge, correspondingly reduces the sizes of anchor bolts and welding seams, and improves the construction efficiency. The purposes of simplifying component types, facilitating construction and assembly and shortening the construction period are achieved.

The utility model discloses a vegetation concrete slope protection structure of a high and steep slope, and relates to the technical field of greening and protection of the high and steep slope. The vegetation concrete slope protection structure of the high and steep slope comprises a vegetation concrete layer, a protective net and a drainage ditch. The plant-growing concrete layer comprises plant-growing concrete prefabricated bricks, the plant-growing concrete prefabricated bricks are laid on the surface of the high and steep slope, anti-skid grooves are formed in the sides, close to the surface of the high and steep slope, of the plant-growing concrete prefabricated bricks, and the plant-growing concrete prefabricated bricks are provided with gap structures used for planting slope plants; a water absorption layer structure is arranged between every two adjacent plant-growing concrete prefabricated bricks. The protective net is laid on the surface of the plant-growing concrete layer and used for reinforcing the plant-growing concrete layer. The drainage ditch is arranged at the bottom of the high and steep slope and used for intercepting and draining water and supporting the vegetation concrete layer. According to the technical scheme, the slope protection structure can be used for solving the problems that a slope protection structure of a high and steep slope is poor in greening effect and poor in stability.

A prefabricated reinforced concrete building main structure includes a unitized prefabricated reinforced concrete building main body, the unitized prefabricated reinforced concrete building main body includes a plurality of prefabricated reinforced concrete building units, each adjacent prefabricated reinforced concrete building unit is connected to each other, the outermost prefabricated reinforced concrete building unit is closed by an end seal, the prefabricated reinforced concrete building unit includes a plain concrete leveling cushion layer at the bottom, a foundation is provided on the plain concrete leveling cushion layer, an integrated column wall panel is provided on the foundation, an integrated composite bottom plate beam is provided on the upper part of the integrated column wall panel, and a connecting steel plate and a secondary grouting composite panel are provided on the integrated composite bottom plate beam. The present invention also includes a construction and installation method for the prefabricated reinforced concrete building main structure. By using the present invention, the assembly efficiency of the building can be greatly improved, the hoisting installation can be simplified, the working environment can be improved, and the safety risk can be reduced; energy saving and environmental protection, large-scale production, and the cost of prefabricated reinforced concrete buildings can be reduced.