46results about How to "Improve mechanical performance" patented technology

The utility model relates to a steel structure fixing structure on a concrete waterproof coiled material, which is characterized in that a steel plate is arranged above a waterproof coiled material layer, an anchor bolt penetrates through a vertical first anchoring hole corresponding to the waterproof coiled material layer and a concrete structural plate, and a waterproof coating layer is arranged between the anchor bolt and the first anchoring hole of the waterproof coiled material layer; the anchor bolt, the waterproof roll layer and the waterproof coating layer jointly form a waterproof closed loop layer, so that water leakage is basically avoided; the bottom face of the steel stand column is welded to the upper portion of the steel plate, the steel plate is fixed to the concrete structural plate of the top plate through the anchor bolts and the nuts, then the basement top plate can be used for supporting the stand column, the stress area is large, and the stress effect is better; the protective layer is arranged to cover the waterproof roll layer, the steel plate, the upper ends of the anchor bolts and the nuts, so that the ground is not interfered; due to the fact that the steel plate anchor bolts and the nuts are constructed along with the basement top plate, independent foundations do not need to be additionally arranged, construction procedures are fewer, and the period is shorter.

The present application relates to the technical field of power transmission tower, and discloses a connecting joint of a steel pipe angle steel in a steel pipe tower of a power transmission line, two groups of the symmetrical clamping ends of the symmetrical clamping seats are provided with tight clamping plates, and the two sides of the two groups of symmetrical clamping seats are symmetrically provided with two groups of positioning bases, the inner sides of the two groups of positioning bases are symmetrically provided with two groups of direction adjusting guide rods, the end faces of the two groups of direction adjusting guide rods are symmetrically provided with direction adjusting holes, and the outer sides of the two groups of direction adjusting guide rods are provided with connecting seat assemblies. The present application replaces the welding connection form of the traditional cylindrical steel pipe main material and the angle steel auxiliary material, through the clamping of the two groups of symmetrical clamping seats, under the matching combination of the direction adjusting guide rods and the connecting seat assemblies, on the one hand, the present application has good uniform stress performance, so that the pressure of the high-voltage line is transmitted to the connecting joint through the angle steel auxiliary material, and then is uniformly transmitted to the cylindrical steel pipe main material through the connecting joint, thereby improving the stress stability of the steel pipe tower.

The utility model relates to a kind of anti-collision wall hole-free fixing device, belong to building construction technical field.The purpose is to provide a kind of anti-collision wall hole-free fixing device for temporarily fixing rod component on anti-collision wall, which is easy to operate and install stable.The following technical scheme is adopted, a kind of anti-collision wall hole-free fixing device, including cross bar, steel pipe and two groups of clamping components, steel pipe is vertically fixed in the middle of cross bar, and the both ends of cross bar are each fixed with a group of clamping components;The clamping component includes top rod and two clamping arms, the upper end of two clamping arms is respectively fixed on the bottom surface of top rod both ends, forms the inverted U-shaped frame buckled on anti-collision wall, and two fastening nuts are fixed on each clamping arm, and each fastening nut is threadedly sleeved with a fastening screw rod, which is jacked on anti-collision wall;Two groups of clamping components are arranged in parallel, and the both ends of cross bar are respectively fixed with the middle part of two top rods.The utility model is used for installing rod component on anti-collision wall.

A kind of fixed structure of side opening faucet valve core seat, the side opening water nozzle of main body shell is provided with internal thread;A valve core seat, the front end face forms two water inlet holes and a water outlet hole, the external of the main body part of the valve core seat is fixed with the metal support sheet that protrudes from the main body part;The side opening water nozzle of the main body shell is provided with the support end face that is partially or entirely circumferentially protruded inward, the support end face is not blocked in the space part of water nozzle, the front end of valve core seat and metal support sheet are suitable to pass through, and the rear wall of the main body part of metal support sheet protruding from the main body part is partially or entirely abutted on support end face, to provide a support force to valve core seat using support end face;A valve core sleeve is screwed with the internal thread of side opening water nozzle, while pressing valve core seat and support end face;A valve core is locked into valve core sleeve.In this patent, the problem that pulling pipe is not smooth due to limited product shape is overcome, the valve core seat has high applicability, can be directly applied to multiple products, and cost is reduced.

The application discloses a composite steel pipe single pile filled with recycled building materials and a construction method thereof, and belongs to the technical field of steel pipe piles. The composite steel pipe single pile comprises a steel pipe pile body, a cavity is arranged in the steel pipe pile body, the cavity is used for filling recycled building materials, a plurality of interface connecting mechanisms are arranged in the cavity, and a sealing mechanism is arranged on the top surface of the steel pipe pile body. By constructing a steel-filling core composite cross-section structure, the cross-section inertia moment and the overall bending stiffness are improved, the pile top displacement and bending deformation can be effectively reduced under the action of horizontal load, the single pile horizontal bearing capacity is improved by optimizing the cross-section stress system under the condition of controlling the steel consumption, and the structural material utilization efficiency is improved. The collaborative working capacity between the steel pipe and the filling body is enhanced through the interface connecting structure, the overall stress performance of the composite structure is improved, the air retention space in the steel pipe is reduced by filling the recycled building materials, the temperature and humidity fluctuations are alleviated, and the internal service environment is improved.

The disclosed urban rail transit thin-wall mixed U-shaped beam industrial construction method and construction system carries out the construction of U-shaped beam beam manufacturing pedestal and beam storage tensioning pedestal in the site; carries out the U-shaped beam steel bar binding and the installation of the prestressed steel bundle on the U-shaped beam mold frame, and hoists the U-shaped beam steel cage to the beam manufacturing pedestal through a hanger; after the U-shaped beam steel cage is positioned, the embedded part, the U-shaped beam inner mold and the support system are installed; the thin-wall mixed U-shaped beam structure is optimized; the first tensioning prestressed bundle is constructed; the beam body concrete is poured; the first tensioning prestressed bundle is released and cut; the two U-shaped beams are respectively hoisted to the beam storage tensioning pedestal by using a gantry crane; the second tensioning prestressed bundle is constructed; the hole is grouted and sealed; after the overall operation is completed, the quartz sand is discharged through the steel sand box sand discharge hole, so that the U-shaped beam is lowered to the concrete base of the beam storage tensioning pedestal. The present application comprehensively and systematically solves the problems of large waste of original technical resources and low production efficiency.

This application provides a multi-layer tension cable net floating platform to solve the problems of heavy weight and difficult tensioning construction of existing floating platforms. It includes a central column and pressure rings and buoyancy rings spaced apart from top to bottom, coaxially arranged with the central column. The pressure rings and buoyancy rings are connected by several first support rods. The top of the central column extends beyond the upper surface of the pressure rings, and the bottom of the central column is located between the pressure rings and buoyancy rings. Several first and second cables are respectively arranged between the pressure rings and the top and bottom of the central column, and several third cables are arranged between the buoyancy rings and the bottom of the central column. The first support rods, first cables, second cables, and third cables are all arranged in a circular array along the axis of the central column. By using multiple cables, this application significantly reduces the weight of the floating platform while ensuring its strength, thus saving costs.

The invention relates to the technical field of suspension bridge main cables, in particular to a method for erecting a continuous type suspension bridge main cable reference strand with an anti-sliding shear key, the reference strand is made of full-high-precision standard wires, and a continuous full-length type cable manufacturing mode is adopted. Comprising the following steps that S1, starting point mark points and terminal point mark points of all standard wires of a reference cable strand are aligned; s2, shear keys are fixedly installed at the span points of the reference cable strand, and the shear keys are matched with reserved notches of the cable saddle; s3, temporary fixing is conducted on the base line length marking position of the reference cable strand, and the reference cable strand is wound with a wrapping tape; and S4, temporary fixation is removed, the steel wires in the strands freely slide, and after the cable strands are stressed, the standard cable strands are erected with the average length naturally formed after standard wire length self-adaption as the length of the standard cable strands. According to the erecting method, the intra-strand error is effectively reduced, high-precision erecting can be achieved only by aligning the shear keys with the notches on site, sag adjustment is not needed, and the construction efficiency is improved.

The utility model belongs to motorcycle engine technical field, especially point to a kind of motorcycle engine side water tank radiator cooling structure, including the fixed seat of being installed in right box one side, fixed seat one side is equipped with water tank radiator, water tank radiator is equipped with mounting post on, rubber bushing is equipped in mounting post, rubber bushing is axially limited in mounting post, rubber bushing is equipped with T-shaped bushing, T-shaped bushing includes sleeve portion and flat plate portion, the edge of fixed seat is equipped with installation convex edge, right box is equipped with connecting column on screw joint, the rod portion of screw one passes through T-shaped bushing, installation convex edge and connecting column screw joint, flat plate portion is limited between the head of screw one and rubber bushing, installation convex edge is limited between rubber bushing and connecting column, right box is equipped with magneto, magneto includes stator assembly and is sleeved in flywheel assembly, flywheel assembly is fixedly connected with crankshaft, fixed seat is equipped with fan impeller. The utility model structure is compact, and it occupies small space, and pipeline is short, effectively reduce the risk of water leakage.

The utility model relates to the technical field of drainage pipelines, and discloses a large-diameter leakproof reinforced concrete drainage pipe which comprises a cylindrical pipeline, a fixing rod is fixedly connected to the middle of the inner wall of the cylindrical pipeline, a first fixing ring is fixedly connected to the bottom of the fixing rod, and a first rotating shaft is fixedly connected to the middle of the outer wall of the first fixing ring. A first fixing block is fixedly connected to the bottom of the first rotating shaft, paddles are fixedly connected to the outer wall of the first fixing block, a second rotating shaft is fixedly connected to the middle of the inner wall of the first fixing ring, a water baffle is fixedly connected to the bottom end of the second rotating shaft, and a water hammer groove is formed in the upper side of the outer wall of the water baffle. The top end of the second rotating shaft is fixedly connected with a second fixing block. According to the utility model, the water flow flowing into the pipeline is accelerated through the paddle, then the accelerated water flow impacts the outer wall of the water baffle, and the water hammer groove is formed in the outer wall of the water baffle, so that the stress effect of the water baffle is greater.

The present application relates to a kind of extruded aluminum-wood double-slot type connection's modular structure system of special section, adopt double-slot type connection to form aluminum-wood combination structure module system, and realize the quick splicing between module by cast aluminum piece insertion.The frame member of the aluminum-wood combination structure module unit adopts aluminum alloy extruded special section.Frame node adopts double-slot type connection node, the node is connected by groove with extruded special section frame column using double-slot card, double-slot card is formed by two grooves and a section of vertical plate extrusion, vertical plate is holed, and is connected with frame beam using stainless steel bolt.Frame beam is connected with double-slot card before, and the slot of identical size with double-slot card vertical plate is opened, double-slot card vertical plate is inserted into frame beam, and double-slot card vertical plate is connected with frame beam by stainless steel bolt.

The application discloses a kind of for foundation pit deformation inclined pile brace structure and its pressure monitoring system, it is related to foundation pit supporting technical field, including inclined brace, strengthening mechanism is connected to the end of inclined brace, and strengthening mechanism is used to protect the end of inclined brace, protective assembly is connected to the outer surface of inclined brace, and protective assembly can change position along inclined brace, supporting mechanism is hingedly arranged in one side of sliding sleeve mechanism, and supporting mechanism is used to support foundation pit, end plate mechanism is connected to one side of strengthening mechanism.The application utilizes entire inclined pile brace structure to support foundation pit, wherein the two ends of the main stress point of inclined brace can be strengthened by strengthening mechanism, so that the two ends of inclined brace will not easily deform, improve the structural strength of its two ends, while the cooperation of protective assembly and supporting mechanism can further support foundation pit, and it can also adjust its stress position, thereby increasing the stress effect of inclined pile brace structure as a whole.

The application provides a skew grid cylinder structure non-coplanar X type conversion node and a design method thereof, and solves problems of complex node manufacturing process, low construction efficiency, difficult connection, poor stress, difficult manufacturing and the like. The upper and lower ends of the center circular tube are fixed with cover plates, two inclined columns at the upper part of the X type conversion node are fixed on the cover plate at the upper end of the center circular tube, and two inclined columns at the lower part are fixed on the cover plate at the lower end of the center circular tube; the middle part of the vertical through type connecting plate vertically penetrates the center circular tube; the upper part and the lower part of the vertical through type connecting plate vertically penetrate the cover plates at the upper and lower ends respectively and are located between the two inclined columns of the X type conversion node; the inclined columns at the upper and lower parts are respectively inserted and fixed with inclined column inner insertion plates, and the inclined column inner insertion plates are respectively fixed with the cover plates and the vertical through type connecting plate; the inner stiffening plates are respectively fixed with the center circular tube, the cover plates at the upper and lower ends and the vertical through type connecting plate; and the outer stiffening plates are respectively fixed with the cover plates at the upper and lower ends and the center circular tube.

This utility model relates to the field of wind turbine tower technology, and more particularly to a cable-stayed offshore wind turbine tower with improved stability. The tower includes a tower, a transition section, and a stabilizing structure. The tower is connected to the transition section. The stabilizing structure includes cables and anchors. Multiple cables extending along the tower's height are arranged at intervals along the tower's circumference, and the ends of the cables are connected to the transition section. Multiple anchors are arranged at intervals along the length of the cables, and the anchors are connected to the tower. Through the cooperation of the cables and anchors, when sea winds apply external force to the tower, the cables closely attached to the tower can limit the tower's deformation. Compared to traditional inclined cables, the cables in this design occupy less space, and the multiple anchors along the tower's height direction allow for multi-segment restraint of the tower, improving its stress performance.

The utility model provides a hybrid beam cable-stayed bridge steel-concrete combined beam section which comprises a bearing plate, a steel-concrete combined section and a steel beam transition section, and the steel-concrete combined section and the steel beam transition section are arranged on the two sides of the bearing plate respectively. The steel-concrete combined section comprises a first bottom plate, a first middle web plate and a first side web plate, the first bottom plate is connected between the first middle web plate and the first side web plate, and the first middle web plate, the first bottom plate and the first side web plate are connected to form a symmetric or asymmetric concave structure; each of the first bottom plate, the first middle web and the first side web comprises a plurality of steel grids and concrete bodies filled in the steel grids; the steel beam transition section comprises a second bottom plate, a second middle web plate and a second side web plate, and the outer contour of the cross section of the steel beam transition section is consistent with the outer contour of the cross section of the steel-concrete combined section. The steel-concrete combined section is simple in structure and convenient and efficient to construct, the stress performance of the steel-concrete combined section is optimized, and the steel-concrete combined section meets the structural requirements of the large-span cable-stayed bridge.

The utility model discloses a stainless steel-concrete combined reinforcing structure of a reinforced concrete column, which is characterized in that a reinforcing structure 3 is arranged outside an original reinforced concrete column 1 and comprises an outer wrapping steel plate 31 and a filling material layer 35, the original reinforced concrete column 1 is fixed to the periphery of the side to be reinforced of the original reinforced concrete column 1 in a four-face reinforcing mode, a two-face-face reinforcing mode, a two-adjacent-face reinforcing mode or a three-face reinforcing mode. The reinforcing structure 3; the outer wrapping steel plate 31 is fixed to the side to be reinforced of the original reinforced concrete column 1, and corner sealing of the outer wrapping steel plate 31 is completed through welding by means of the angle steel 32 and the T-shaped stainless steel connecting piece 36. And a filling material layer 35 is arranged between the wrapping steel plate 31 and the original reinforced concrete column 1. The bearing capacity, the crack resistance, the deformation resistance, the high-temperature resistance and the corrosion resistance of an original reinforced concrete column are remarkably improved, meanwhile, the appearance is effectively improved, and the formwork removal procedure and the anti-corrosion treatment procedure are reduced or even avoided.

The utility model discloses a kind of SRC rigid connecting node structures, including rigid column part and rigid beam part, rigid column part includes steel column and the first concrete part wrapped in the steel column outside, rigid column part is parallel to vertical direction setting;Rigid column part is equipped with one metal sealing plate along the two sides of first direction, and metal sealing plate is welded and fixed with steel column;Rigid beam part is arranged in the two sides of rigid column part along first direction, and rigid beam part includes steel beam and the second concrete part wrapped in the steel beam outside;Steel beam is welded and fixed with metal sealing plate;Rigid column part is equipped with connecting plate along at least one side of second direction, and connecting plate includes integrally formed first steel plate part and second steel plate part, first steel plate part is welded and fixed with steel column, and second steel plate part is welded and fixed with steel beam;The utility model can avoid the longitudinal steel bar collision of steel beam and steel column, save the necessary connecting process of part longitudinal steel bar of steel beam and steel column, increase construction convenience and shorten construction period.

The utility model discloses a miniature steel pipe pile foundation for an earth-rock backfill side slope. The miniature steel pipe pile foundation is arranged above an earth-rock backfill area and is supported and fixed in a rock area; the miniature steel pipe pile foundation comprises miniature steel pipe piles and a structural foundation, the miniature steel pipe piles are vertically arranged side by side, and the tops of the miniature steel pipe piles in each group and the structural foundation formed through pouring are fixedly connected into a whole. Each group of miniature steel pipe piles is formed by casting steel pipes, reinforcing steel bar bundles and non-shrinkage mortar on site; wherein the steel bar bundle penetrates through the steel pipe and is consolidated through non-shrinkage mortar poured in the steel pipe on site, the bottom of the steel pipe and the bottom of the steel bar bundle extend into original rock to be fixed, and the top of the steel pipe and the top of the steel bar bundle are consolidated with a structural foundation formed through pouring; the structure foundation is a horizontal platform foundation formed through cast-in-place. Holes are formed in the wall of the steel pipe pile, the steel pipe pile and the periphery are fixedly connected to form a stable structure after grouting, the requirements for foundation bearing and upper load stress can be met, large-area excavation of a side slope is avoided, the applicability is high, and the construction efficiency is high.

The present application relates to the field of civil engineering construction technology, and specifically discloses a tunnel construction method with longitudinal slope and corbels, comprising the following steps: S1: completing initial lining construction and constructing part of secondary lining wall body to form a formwork structure lap joint area, and entering secondary lining wall body and arch construction preparation; S2: secondary lining trolley assembly and debugging; S3: waterproof and drainage system construction; S4: reinforcing steel bar and water stop belt installation; S5: secondary lining trolley positioning and formwork structure installation; S6: secondary lining concrete pouring; S7: demolding and curing: entering the demolding process after 24 hours of concrete pouring completion, and the concrete curing time after demolding is not less than 7 days; S8: trolley forward movement, repeating steps S3 to S7 until the secondary lining of the tunnel is completed. The present application can be used for special tunnel construction with longitudinal slope and corbels, and can realize one-time integral pouring of corbels and tunnel secondary lining, improving the stress performance of corbel structure.

This invention provides a precast structural column structure and construction method for the ends of ALC wall panels, belonging to the technical field of precast structural columns. It includes symmetrical vertical columns and a horizontal column positioned between the two vertical columns. The top of the vertical columns has an upper pouring groove, and the two ends of the horizontal columns each have a support zone. In this invention, the support zones, the corresponding upper pouring grooves, and the bottom surface of the upper base together form a closed pouring cavity in the installed state. By pouring grout into the closed cavity to form a cast body, the horizontal columns, the symmetrical vertical columns, and the upper base are connected as a whole, constituting an integrated load-bearing structure. This significantly enhances the load-bearing capacity of key parts such as doorways, effectively improving the overall structure's crack resistance and impact resistance. Furthermore, no additional high-altitude formwork is required during construction; the top pouring connection can be completed in place with high connection strength, effectively reducing the construction difficulty of top pouring support, minimizing support procedures, and reducing construction risks.

The application provides a structure for reinforcing the transverse connection of slab beams and a construction method thereof, relates to the field of slab beam construction technology, and solves the problem of easy damage of the hinge joint in the prior art. The structure comprises limiting components one and two and a tenon structure, wherein the limiting components one and two are arranged in two adjacent slab beams respectively; when the limiting components one and two are arranged in the adjacent slab beams respectively, a limiting groove is formed between the limiting components one and two, and the limiting groove is the area between the two slab beams; and part of the tenon structure is inserted into the limiting groove and can be clamped on the limiting groove after being horizontally rotated by a certain angle. The application has the advantages of simple structure, low cost, improved overall stress performance in the structure of multiple prefabricated slab beams, guaranteed structure safety, slight influence on the original slab beam, application in new construction and reinforcement engineering, installation of the transverse reinforcing device at the hinge joint of the adjacent slab beams, reduced tensile damage of the hinge joint, and no conflict with the existing hinge joint structure.

The utility model relates to a kind of puller of split type hole door waterstop flap, it includes compression channel steel and pull bolt, pull nut and connecting assembly, compression channel steel is set on mounting part, locking hole one is set on mounting part, locking hole two is set on compression channel steel, the screw rod of pull bolt passes through locking hole one and locking hole two, pull nut is threadedly connected on pull bolt, the mounting part of multiple continuous unit flap is fixed by same compression channel steel, and it is fixed by connecting assembly between two adjacent compression channel steel. The application has the stability of improving overall waterstop flap structure and sealing reliability, enhance the overall stress performance of split type waterstop flap, improve the waterstop effect of overall waterstop structure.

The application discloses a kind of parallel box bolt connection's fabricated concrete shear wall connection structure, comprising: connecting box, the bottom of the connecting box is provided with lengthened opening, a plurality of bolts are arranged in the lengthened opening, the bolt is anchored in the lower wall body, the lower wall body is attached to the bottom lower surface of connecting box and is resisted to lengthened opening, the lower wall body and lengthened opening form lengthened channel;The nut is threadedly connected to the bolt, a gasket is mounted between the nut and lengthened channel, the gasket is mounted on the top surface of the bottom of the connecting box, a plurality of abutting limit posts are placed in the lengthened channel, the gap between each limit post is filled with filler, and the plurality of bolts are limited by the limit post and filler;A plurality of anchor bars are installed above the connecting box and arranged in parallel, and the upper end of the anchor bar is in a non-linear structure.The application is simple to install.

The utility model discloses a bridge pier column reinforcing structure, and belongs to the technical field of bridge reinforcing. The steel casing is arranged on the outer side of the bridge pier, so that the pouring cavity is formed between the steel casing and the bridge pier, and pouring is convenient; pouring is conducted in a pressurized pouring mode, and the phenomenon of pouring hollowing of the poured pier is avoided; connecting structures are arranged at the two ends of the steel casing, so that the steel plate is prevented from slipping in the pouring process; by arranging the stiffening ribs, the radial compressive strength of the steel casing in the pouring process is guaranteed; by implanting the steel bars, it is ensured that the steel pile casing and the original structure form a jointly-stressed whole, and the overall performance of the reinforced structure is improved; due to the arrangement of the steel casing and the stiffening ribs, enough strength and rigidity are provided, and the construction requirement of pressure grouting is met; the steel protection cylinder is formed by splicing the semicircular shells, the splicing positions are connected in a welding mode, the steel protection sections are spliced in the length direction, splicing is conducted in a mortise and tenon joint mode, and the construction efficiency is improved.

The invention relates to the technical field of building structure reinforcing construction, in particular to a quick mounting and dismounting steel structure reverse hanging supporting system for a building roof and a construction method thereof. The system comprises a bottom supporting base fixed to the top of an original building structure column and a steel truss supporting assembly with the two ends supported on the bottom supporting base; and a reverse hanging bearing assembly is hung below the steel truss supporting assembly. The steel truss supporting assembly is formed by assembling and connecting transverse connecting rods, reinforcing transverse rods, supporting rods and reinforcing inclined rods through connecting blocks. The reverse hoisting bearing assembly adopts a rigid bolt connection mode and comprises a drilling and bar planting hoisting structure for a main beam and a U-shaped hoisting structure for a secondary beam. Prestress is applied through the bolts to achieve active hoisting, original roof beam loads can be accurately transferred to the upper steel truss, a floor stand does not need to be erected, suspended reinforcing operation without affecting ground production activities is achieved, the device is convenient to disassemble and assemble, force transmission is accurate, construction is safe, and the construction period is shortened.

The invention discloses an unreinforced composite bridge deck slab with bidirectional buckles. The unreinforced composite bridge deck slab comprises a plurality of U-shaped steel channels, longitudinal limiting buckles, transverse limiting buckles and a concrete layer, wherein the U-shaped steel channels are continuously arranged side by side in the transverse direction of a bridge deck, the longitudinal limiting buckles are used for limiting longitudinal displacement, the transverse limiting buckles are used for limiting transverse displacement, and the concrete layer is poured on a steel framework formed by the components. Longitudinal and transverse mechanical connection of the U-shaped channel steel is achieved through bidirectional buckles, and a stable space grid framework system is formed. By means of the connection mode of the two-way buckles, field welding and steel bar binding operation in a traditional bridge deck slab are completely avoided, and complete prefabrication and rapid assembly construction of components are achieved. And the concrete is poured on the steel framework to form an integral composite structure. According to the connecting structure, the integrity and the stress performance of the structure are effectively guaranteed through the two-way buckle connecting structure, and the integrity and the durability of the structure are further improved through pouring of the concrete top plate. Meanwhile, the bridge deck is convenient to construct and controllable in quality.

The invention discloses a cable-stayed bridge integral section steel-UHPC composite beam erecting method which comprises the following steps that between the Nth beam section and the (N + 1) th beam section of an integral section steel-UHPC composite beam, steel top plates are connected through on-site weld joints, and UHPC bridge deck slabs are not connected temporarily; fixing a bridge deck crane on the (N + 1) th beam section, hoisting the (N + 2) th beam section to a specified position by the bridge deck crane, and welding a steel top plate between the (N + 1) th beam section and the (N + 1) th beam section; mounting and tensioning a stay cable of the (N + 2) th beam section; the deck crane moves forwards to the (N + 2) th beam section and conducts secondary tensioning on the stay cable of the (N + 2) th beam section to the designed cable force; reinforcing steel bars of the UHPC bridge deck slab between the Nth beam section and the (N + 1) th beam section are connected through reinforcing steel bar connecting pieces, UHPC is poured at the joint to form a UHPC wet joint, and the weld joint and the UHPC wet joint form a dry-wet combined joint; and the circulation is repeated until closure. According to the invention, the erection efficiency is obviously improved while the safe and reliable stress of the main beam is ensured.

The utility model relates to the technical field of hydraulic packaging machinery, and discloses an improved hydraulic packaging machine which comprises a material box, a material receiving hopper is installed on the material box, a main pushing assembly is installed on one side of the main view face of the material box, and a side pushing assembly is installed on the right side face of the material box. The axis of the main pushing assembly is perpendicular to the axis of the side pushing assembly. The main pushing assembly comprises a main pushing head oil cylinder, a supporting base is installed at the end of the main pushing head oil cylinder, a round hole is formed in the middle of the supporting base and used for a piston rod of the main pushing head oil cylinder to stretch out and draw back, and pulling columns are installed at the four corners of the inward side face of the supporting base. The other end of each pull column is installed on the opposite face of the material box, the top end of a piston rod of the main push head oil cylinder is connected with a main push head, and the side face of the main push head in the initial state is flush with the outer side face of the material box.