15results about How to "Improve connection integrity" patented technology

The utility model provides a kind of connecting joint of foundation pit stand and support beam, it includes the support beam being arranged horizontally, the buttress being connected with the support beam from downside and the stand being connected with the buttress from downside, the support beam includes the first pouring main body formed of concrete, the buttress includes the second pouring main body formed of concrete, the first pouring main body is integrally connected with the second pouring main body, steel reinforcement framework is provided in the second pouring main body, the upper end height of the stand is lower than the downside edge of the first pouring main body and higher than the downside edge of the second pouring main body, the upper end of the stand is embedded into the second pouring main body to be fixedly connected with the buttress.The utility model connects support beam and height low stand into a whole by concrete buttress, concrete buttress and concrete support beam can be synchronously integrally poured, construction is more convenient, and the connection integrity between support beam and stand is better, and node rigidity is large.

The present application relates to the technical field of support installation of junction pier cap beams, and proposes a method for constructing super-high, super-thick, and super-large span cap beam support, including the following steps: S1: ground assembly of the support; S2: installing a traction mechanism for driving the support to rise and fall at the top of the pier column; S3: driving the traction mechanism to connect the distribution beam of the support; S4: driving the support to move up by the traction mechanism until the support is hoisted to the top of the pier column; S5: installing and fixing a plurality of brackets on the side opposite to the pier column and the distribution beam; S6: driving the support to move down by the top of the traction mechanism, so that the distribution beam of the support abuts against the top of the bracket; S7: disconnecting the connection between the traction mechanism and the support; S8: removing the traction mechanism. The present application has the effect of facilitating the construction of the cap beam bottom formwork support.

The utility model relates to the field of cartons, in particular to a glue-free reinforced carton which comprises a bottom plate, a front plate, side plates and a rear plate, the front side and the rear side of the bottom plate are connected with the front plate and the rear plate respectively, the two sides of the front plate are connected with first clamping plates, and the two sides of the rear plate are connected with second clamping plates; a first clamping groove is formed in the first clamping plate, and a second clamping groove is formed in the second clamping plate; the first clamping groove and the second clamping groove are connected in a clamped mode. The side, away from the bottom plate, of the side plate is connected with a fixing plate. The first clamping plate and the second clamping plate are folded between the fixing plate and the side plate; the two sides of the fixing plate are connected with the front plate and the rear plate in a clamped mode respectively. According to the design, the carton can be rapidly folded and formed, meanwhile, under the design that the first clamping plate and the second clamping plate are matched in a clamped mode, the fixing plate abuts against and fixes the first clamping plate and the second clamping plate, and the fixing plate is fixedly connected with the front plate and the rear plate in a clamped mode, the connecting integrity of all paper boards of the carton body is improved, and the strength of the carton body is improved.

The utility model relates to a suspension type porcelain insulator technical field, concretely relates to a suspension type porcelain insulator capable of preventing head cracking, including porcelain piece, the top middle part of porcelain piece is provided with the convex ring, the top of convex ring is equipped with the lantern ring, the cross section of lantern ring is the convex character structure of hollow, and the inside of top of lantern ring is provided with the inner groove, the outside of bottom of lantern ring is provided with the clamping slot, the bottom spring of bottom clamping spring is equipped with the bottom clamping spring of the outside of lantern ring, the top of outside of lantern ring is equipped with the upper clamping spring, the end of upper clamping spring is clamped in steel cap, the inside of bottom of steel cap is fixed with the convex part, the inside of steel cap is provided with the annular ring groove, the inside of steel cap is fixed with the bottom post, the bottom clamping spring and upper clamping spring are all the frame structure of hollow, and the bottom clamping spring and upper clamping spring structure can extrude the outside structure through its structural features, improve the stability of continuous connection, prevent the porcelain piece of steel cap and bottom broken cracking, and the friction of many groups of groove body and convex type structure in it can increase when connecting, improve the connection integrity.

The invention discloses a rapid interlocking type mechanical connection system used between prefabricated floor slabs and a construction method, and belongs to the technical field of prefabricated buildings. The system comprises a plurality of integral composite floor slabs which can be connected with one another, and each integral composite floor slab comprises an integral frame, a filling layer, a pouring layer, distribution steel bars and a connecting assembly. The overall frame is of a space grid structure formed by welding C-shaped steel keels, and the end of the overall frame is provided with a concave-convex complementary tenon-and-mortise imitating connection structure. The filling layer is made of light heat preservation materials, and the pouring layer is made of high-strength light concrete. The connecting assembly comprises a mortise and tenon imitating structure, a caulking component and a screw component, the caulking component has sealing, waterproof and elastic buffering functions, and the screw component achieves bidirectional constraint. And a factory prefabrication and on-site rapid assembly mode is adopted for construction. The connecting structure integrates multiple functions, solves the problems that an existing floor is weak in connection, low in construction efficiency and the like, has the advantages of being reliable in connection, convenient and fast to construct, energy-saving, environment-friendly, wide in application range and the like, and can be widely applied to various prefabricated buildings.

According to the specific implementation mode, a prefabricated column is a cross-layer prefabricated column, post-pouring concrete is arranged in a beam-column joint area, longitudinal bars at the bottom of a prefabricated beam are connected with lengthened steel bars through connecting sleeves, steel strands are anchored into the joint to achieve avoidance, and longitudinal bars at the top of the beam penetrate through the beam-column joint area in a laminated layer. A supporting device is arranged on the prefabricated column to temporarily support the end of the prefabricated beam in the construction period. According to the implementation mode, on the basis that the prefabricated columns are used for supporting the prefabricated beams to achieve floor system support-free construction, the connection integrity equivalent to a cast-in-place structure is achieved through the post-pouring beam column joint area, and the manufacturing error of the prefabricated parts is absorbed; meanwhile, the supporting device is small in steel consumption, the prefabricated column is easy to pre-embed in the production process, the installation error-tolerant rate is high, connection construction is convenient and fast, and steel bar connection operation does not affect the position precision of the installed prefabricated part.

This invention relates to the fields of deep learning and medical imaging. More specifically, it relates to a method for fundus vessel segmentation based on multi-band wavelet decomposition and the Mamba architecture. In response to the acquisition of a fundus image, the fundus image is preprocessed to obtain an input image; the first feature map of the input image is decomposed into low-frequency approximation components and high-frequency detail components; the low-frequency approximation components are input into a low-frequency connectivity enhancement path, and a global topological scan is performed using a selective state-space model to extract long-distance connectivity features of the main vessels; the high-frequency detail components are input into a high-frequency detail refinement path, and a lightweight Mamba module is selectively activated through a sparse gating mechanism to scan and extract edge features of peripheral vessels; unlike existing technologies, this invention effectively solves the problems of existing technologies being unable to differentiate between main vessels and small vessels and struggling to maintain the connectivity of the vascular topology.

The present application relates to a shield tunnel prefabricated assembly comprehensive pipe gallery internal structure and construction method, comprising the following steps: step one, construction preparation; step two, shield segment internal chiseling, planting root treatment; step three, cast-in-place base pouring; step four, prefabricated arc wall assembly; step five, installation of mold, stop grout pad; step six, prefabricated partition wall assembly; step seven, prefabricated arc wall planting root; step eight, prefabricated arc wall back grouting; step nine, reserved sleeve grouting connection; step ten, set up partition plate formwork support; step eleven, binding partition plate reinforcement. The present application sets up edge ribbed slab on both sides of cast-in-place partition plate, sets up central ribbed slab in the middle, and the partition plate reinforcement, prefabricated base reserved reinforcement and prefabricated partition wall reserved reinforcement are welded as a whole, which improves the integrity of the cast-in-place partition plate and the prefabricated base and prefabricated partition wall connection, and solves the problem of weak connection of cast-in-place partition plate and supporting structure.

The utility model provides a bearing structure which comprises a cast-in-place bottom plate and a prefabricated laminated side wall, and a plurality of first connecting steel bars and a plurality of second connecting steel bars are arranged on the top faces of the two ends of the cast-in-place bottom plate at intervals in the transverse direction. A cavity and a grouting hole are formed in the prefabricated laminated side wall, the bottom surface of the prefabricated laminated side wall is arranged on the top surface of the end part of the cast-in-place bottom plate, the first connecting steel bar is inserted into the cavity, and the second connecting steel bar is inserted into the grouting hole; the cavities and the grouting holes are filled with grouting materials, and the grouting materials are used for pouring the prefabricated laminated side wall and the cast-in-place bottom plate into a whole; prefabricated laminated side walls are manufactured in a factory, a cast-in-place bottom plate is manufactured on a construction site, the prefabricated laminated side walls are installed on the cast-in-place bottom plate, bedding slurry is laid between the prefabricated laminated side walls and the cast-in-place bottom plate, and meanwhile grouting materials are poured into cavities and large holes; the stress performance and the reliability of the connecting node of the prefabricated laminated side wall and the cast-in-place bottom plate are improved; and meanwhile, a wet connection construction method is adopted at the connecting node of the prefabricated laminated side wall and the cast-in-place bottom plate, so that the waterproof performance of the connecting node is improved.

The invention relates to the technical field of batteries, in particular to a battery pack bottom support. The battery pack bottom support is used for bearing a battery pack and comprises at least two trays and connecting pieces, a split gap is formed between any two adjacent trays, any tray comprises a frame body, a reinforcing part and a connecting part which are integrally formed, the frame body is used for being connected with a girder of a vehicle, the reinforcing part is arranged in the frame body, and the connecting pieces are arranged on the frame body. Part of the connecting part is arranged on the frame body, the other part of the connecting part is arranged on the reinforcing part, and the connecting parts are used for connecting the battery pack; and the connecting pieces are positioned in the split gaps, are connected with any two adjacent frame bodies, and are used for connecting the battery packs. According to the battery pack bottom support, the at least two split type sub-trays are obtained through integrated die casting, so that the battery pack bottom support can adapt to various vehicle girder specifications, and the mold opening cost is reduced while the structural consistency of the battery pack bottom support is improved.

The utility model discloses a kind of sewage pipe construction cushion reinforcement structures, it includes sewage pipe being arranged in the inner cavity of soil, the inner cavity of soil is equipped with concrete base layer, the top of the concrete base layer is equipped with concrete bottom plate, the top of sewage pipe is located concrete bottom plate, the left and right sides of the top of concrete bottom plate are fixedly connected with concrete side plate, the soil of the opposite side of two concrete side plates is closely combined, the bottom of concrete bottom plate is provided with multiple vertical steel bars.The utility model cooperates with stirrup one, stirrup two and tieback muscle, plays the role of supporting to frame, cooperates with transverse muscle, reinforcing bar and inclined bracing muscle, plays the role of ramming base to concrete base layer inner cavity, guarantees that the inner cavity of sewage pipe is more stable, then concrete bottom plate is installed in the top of concrete base layer, finally concrete bottom plate is placed in the top of concrete bottom plate.

The utility model relates to the technical field of pipeline connection, and provides a pipe-jacking pipeline connection structure aiming at the conditions that the structural strength of a pipeline connection part in traditional pipe-jacking construction is limited, and the edge is easy to crack and break due to uneven stress or external load action. The two ends of the pipeline body are coaxially connected with a metal annular protrusion and a metal annular groove correspondingly. The periphery of the metal annular protrusion is sleeved with a plurality of flexible sealing rings, and the ends, close to each other, of the adjacent pipeline bodies are matched with the metal annular groove in an inserted mode through the metal annular protrusion. The pipe joint structure has the effect of improving the structural strength of the pipe joint.

The utility model discloses a connecting structure of a steel box girder and an old concrete bridge, which comprises a concrete layer, a steel box girder body and a connecting block, a connecting groove is arranged in the connecting block, a connecting plate is arranged in the connecting groove, a connecting steel bar is arranged in the concrete layer, the connecting steel bar penetrates through the connecting plate and the steel box girder body, and a connecting sleeve is arranged on the steel box girder body. A fixing sleeve is arranged on the connecting sleeve in a threaded connection mode, a clamping device is arranged on the fixing sleeve, a supporting plate is arranged on the connecting block, a first bolt is arranged between the supporting plate and the steel box girder body, a fixing sleeve is arranged in the concrete layer, and a second bolt is arranged between the supporting plate and the fixing sleeve. By arranging the connecting blocks and the connecting plates between the concrete layer and the steel box girder body and connecting the concrete layer and the steel box girder body through the connecting steel bars, the steel box girder and an existing concrete bridge can be conveniently connected, and the connecting integrity is improved; and the supporting plate is arranged to support the bridge floor, so that the supporting stability is improved.

The utility model relates to the technical field of steel structures, in particular to a multicomponent alloy co-permeation steel structure with the surface treated. According to the technical scheme, an adapter is included, an H-shaped steel body is arranged in the upper end and the lower end of the adapter in a penetrating mode, the outer surface of the H-shaped steel body is attached to the inner wall of the adapter, two sets of symmetrical fastening structures are fixed to the upper portion and the lower portion of the outer wall of the two sides of the adapter, and the fastening structures are connected with the H-shaped steel body in an attached and clamped mode; two sets of symmetrical off-plane screws are arranged at the position, connected with the H-shaped steel body, of the fastening structure in a penetrating mode, the inner sides of the off-plane screws comprise veneering baffle rings attached to the outer surface of the adapter seat, bolt pipes are fixedly connected into the veneering baffle rings, and the bolt pipes are arranged in the adapter seat, the H-shaped steel body and the fastening structure in a penetrating mode; and a locking screw rod is arranged in the other end of the bolt pipe in a penetrating mode, the other end of the locking screw rod penetrates through the outside of the bolt pipe, and a locking nut is connected to the end, located on the outer side of the bolt pipe, of the locking screw rod in a threaded and screwed mode.

The invention relates to the technical field of formworks, and provides a tall and large formwork supporting structure aiming at the problem that a traditional formwork supporting frame body is inconvenient to support, the tall and large formwork supporting structure comprises a plurality of limiting I-shaped beams arranged in parallel, the limiting I-shaped beams are anchored to a poured floor through anchoring parts, and a plurality of vertical rods are vertically arranged on the limiting I-shaped beams in a supporting mode. Channel steel is connected to the bottoms of the vertical rods, and the bottom ends of the vertical rods are slidably connected to the limiting I-shaped beam through the channel steel; the adjacent vertical rods located on the limiting I-shaped beams are connected through transverse cross rods, and the opposite vertical rods located on the adjacent limiting I-shaped beams are connected through longitudinal cross rods. The formwork supporting frame has the effect of reducing the construction difficulty of the formwork supporting frame body.