254results about "Shaping reinforcements" patented technology

The invention relates to the technical field of tunnel engineering prefabricated part production, in particular to a large-diameter duct piece independent kiln assembly line conveying prefabricating method and system. S2, a reinforcement cage and an embedded part are installed; s3, concrete is precisely poured and vibrated; s4, pre-curing and surface treatment; s5, carrying out roller way type flow conveying; s6, hydration heat-driven dynamic maintenance is carried out; and S7, demolding and finished product detection. And S8, mold circulation. According to the large-diameter duct piece prefabricating production line, through technical innovation in multiple aspects of mold, conveying, maintenance, control and the like, the core technical problem in existing large-diameter duct piece prefabricating production is solved, high-precision, high-efficiency, low-energy-consumption and green production of large-diameter duct pieces is achieved, and the large-diameter duct piece prefabricating production line has remarkable technical advantages and wide application prospects and is suitable for large-diameter duct piece prefabricating production. The method can be widely applied to infrastructure construction projects such as shield tunnels, open caisson projects and underground comprehensive pipe galleries.

The invention relates to the technical field of pipe pieces, and discloses an anti-cracking reinforced concrete pipe piece component which comprises a base body layer, a functional layer and a waterproof layer. Wherein the functional layer is composed of composite fiber reinforced resin mortar, the anti-cracking performance of the duct piece can be effectively improved, and generation and expansion of cracks are reduced; anti-skid textures are arranged between the matrix layer and the functional layer, so that the interlayer binding force is enhanced, the interface adhesiveness is improved, and the problems of interlayer stripping and layering caused by factors such as long-term load and temperature and humidity change are prevented; and the waterproof layer adopts a nano waterproof coating, so that the water penetration resistance of the duct piece is enhanced, the duct piece has good aging resistance, and cracking and failure of a traditional waterproof layer caused by environmental factors are avoided. By optimizing the materials and the structure, the overall performance of the duct piece is improved, the duct piece has remarkable advantages in the aspects of crack resistance, interlayer binding force and waterproof durability, the duct piece can adapt to the complex underground engineering environment, and the service life of the duct piece is effectively prolonged.

The utility model discloses a tensioning device for applying prestress to a concrete pole, and belongs to the field of concrete pole production. The tensioning device comprises a bottom plate, a lower die is fixed to the upper end of the bottom plate, a steel bar frame is arranged on the lower die, pier heads are arranged at the two ends of steel bars of the steel bar frame, and the diameter of the pier heads is larger than that of the steel bars. A fixing mechanism and a traction mechanism are respectively arranged at two ends of the steel bar frame; the fixing mechanism comprises a mounting plate capable of sliding and adjusting in the axial direction of the reinforcing steel bar, and chuck assemblies corresponding to the pier heads one to one are arranged on the mounting plate; the traction mechanism comprises a supporting plate capable of sliding and adjusting in the axial direction of the reinforcing steel bar, an oil cylinder is arranged on the supporting plate, a connecting plate is fixed to a driving shaft of the oil cylinder, and chuck assemblies corresponding to the pier heads one to one are arranged on the connecting plate; the clamping head assembly comprises a clamping head, a positioning hole matched with the pier head is formed in the clamping head, the two sides of the clamping head are each provided with a clamping unit, and clamping blocks capable of sliding are arranged in the clamping units and can clamp the steel bars.

The utility model belongs to the field of concrete pole production equipment, and discloses a concrete pole centrifugal forming device which comprises a base and a reinforcement cage. A lower mold and an upper mold which are symmetrically arranged up and down are arranged above the base, a connecting assembly used for being detachably connected with the upper mold is arranged on the lower mold, and when the upper mold and the lower mold are attached, a horizontally-arranged hollow sealed cylindrical shell can be formed; first telescopic air cylinders coaxially arranged with the lower mold are fixed to the inner walls of the two ends of the lower mold, discs are fixed to the output ends of the first telescopic air cylinders, the discs and the cylindrical shell are coaxially arranged and are in sliding connection with the cylindrical shell, and a plurality of blind holes annularly and evenly distributed around the central axes of the discs are formed in the side faces, close to each other, of the two discs. The two disc blind holes are in one-to-one correspondence and are coaxially arranged; the problem that the reinforcement cage shakes in the upper mold and the lower mold during centrifugation in the prior art is solved, and the production quality of concrete poles is improved.

The invention relates to the technical field of concrete electric pole manufacturing, and discloses an optimized steel fiber anti-crack ultra-high performance concrete centrifugal electric pole manufacturing method and system. The method comprises the following steps: dividing an electric pole manufacturing process into a plurality of manufacturing units according to production batches, and collecting material component data, process setting data and online detection data in each manufacturing unit to form a multi-source production data set; calculating an anti-cracking performance index and a strength performance index based on a multi-source production data set, and dynamically outputting an initial process correction value through a dual-threshold monitoring mechanism and a performance adjustment model; performing adaptive adjustment on the initial process correction value of each manufacturing unit according to the production correlation between the adjacent manufacturing units to generate an adjusted process correction value; and carrying out serialization processing on the adjusted process correction value, and outputting a production optimization instruction which is applied to a manufacturing execution process. According to the method, electric pole manufacturing whole-process data integration and dynamic process optimization are achieved, and the production efficiency and the product quality stability can be improved.

The application discloses a pipe pile tensioning assembly with a plug positioning block, relates to the technical field of pipe piles, and is applied to pencil head concrete pile pouring operation, and is based on a cylinder, a concrete pile tip and a steel reinforcement cage. An external end of the cylinder corresponding to the concrete pile tip is sequentially provided with a pull tail plate and a positioning cover plate. The pull tail plate is provided with a gin hole matched with the steel reinforcement. The positioning cover plate is provided with a plug wedge column matched with the gin hole. The pull tail plate is provided with a positioning block on the inner side. The plug wedge column is provided with a wedge-shaped spring block with a clamping structure. The tensioning assembly is accurately coaxially positioned by replacing the traditional end plate internal thread bearing mode. The pipe pile production operation efficiency and forming quality are greatly improved. The service life of the assembly is prolonged. The production cost and operation labor intensity are reduced. The safety of the tensioning operation is improved. The problems of low end plate reuse rate, easy tooth failure, no positioning of the tensioning assembly, easy deviation, low installation operation efficiency, high labor intensity and the like in the production of the pencil head concrete pile are solved.

The invention relates to the technical field of pile foundation construction, and particularly discloses a prefabricated pile body with a built-in core cage and a construction method of the prefabricated pile body. The prefabricated pile body comprises a pipe pile body and a first reinforcement cage. A concrete cavity and a hollow cavity are formed in the pipe pile body, and the hollow cavity is located in the concrete cavity. The first reinforcement cage is located in the hollow cavity, a second reinforcement cage is arranged in the concrete cavity, and when the reinforcement cages are prepared, the first reinforcement cage is connected with the second reinforcement cage; the first reinforcement cage is provided with a stress piece, the stress piece extends in the hollow cavity in the radial direction, the two ends of the stress piece extend into the concrete cavity, and the stress piece is arranged in the hollow cavity in a bent mode. By the adoption of the prefabricated pile body, three reinforced anti-pulling stress mechanisms can be formed in the prefabricated pile body, the problem of connection failure between the core filling concrete and the tubular pile body is effectively reduced or avoided, and it is guaranteed that the prefabricated pile body meets the engineering safety requirement under the complex geological condition.

The invention discloses a common production line for concrete electric poles and tubular piles. The common production line comprises a material distribution room, a production room, a mold removal room, a universal mold treatment room, an independent mold treatment room, a universal material preparation room, an independent material preparation room and a mold closing room. The production room is located on the side face of the material distribution room, and the universal mold processing room and the universal material preparation room are sequentially arranged on the side face of the material distribution room and used for cleaning and assembling electric pole molds or pipe pile molds. The universal mold processing room and the universal material preparation room are adjacent to the production room in the longitudinal direction; the independent mold treatment room and the independent material preparation room are sequentially arranged in the transverse direction and are adjacent to the universal mold treatment room; the mold removal room is located in the universal mold treatment room and extends into the production room and between the independent mold treatment room and the independent material preparation room in the longitudinal direction; the mold closing room is located on the side face, close to the material distribution room, of the universal mold processing room and extends into the production room; and a plurality of hoisting devices for hoisting the molds are also arranged above the production line.

System for conveying at least one transport capsule comprising: - a pipe (2) comprising first and second trunk (21, 22) that are reciprocally assembled; - a coating (3) whose function is structural and of at least partially waterproofing the pipe (2) and comprising tensioned ribbon-shaped means (31) that wraps and compresses at least one portion of the pipe (2). The ribbon-shaped means (31 ) is made of fibre-resin composite material and comprises said fibres impregnated in said resin.

The invention discloses a high-performance cement pole with the bottom end subjected to salt-alkali resistance treatment and a production process thereof, and relates to the technical field of cement poles. The high-performance cement pole with the bottom end subjected to salt-alkali resistance treatment comprises a cement pole body, a rectangular block is fixedly installed at the bottom of the cement pole body, and an annular limiting groove is formed in the side portion of the cement pole body; a rotating sleeve is rotationally installed in the annular limiting groove, and four fixing mechanisms are installed on the rotating sleeve. During mounting, the mounting column is mounted firstly, after a cement pole is mounted and put in, the moving mechanism can move, so that the four supporting mechanisms rotate to correspond to the four fixing mechanisms in position, the four supporting mechanisms can be fixed through the four fixing mechanisms correspondingly, and therefore the cement pole is supported; the positions of the four supporting mechanisms are low, the concrete pole can be placed in conveniently, meanwhile, the moving mechanism can trigger the limiting mechanism, and therefore the bottom end of the concrete pole is limited.

This invention provides a semi-automatic mold for wind power concrete towers, comprising an outer mold and a semi-automatic mold opening and closing device. The overall shape is circular, and the outer mold comprises two vertically arranged semi-circular outer mold modules. This invention offers the following advantages: Rotating the drive turntable drives the drive gear in the traveling mechanism, which in turn drives the driven gear to rotate the rollers along the track. This causes the outer mold to move along the track towards its center, ultimately making close contact with the bottom mold for mold closing. Conversely, it moves along the track away from the outer mold's center for mold opening. The semi-automatic mold opening and closing device achieves semi-automatic mold opening and closing, thereby improving efficiency, reducing labor costs, and lowering safety risks. Furthermore, the simple structural design reduces processing costs and ease of use.

This invention discloses an automated molding and manufacturing equipment and method for utility poles, relating to the technical field of utility pole manufacturing equipment. It includes an installation base, a mold assembly on the installation base, a reinforcing cage on the mold assembly, and a feeding device located directly above the reinforcing cage. The feeding device is equipped with a dispersing and leveling mechanism and a gravity-flipping feeding mechanism. This invention, through the feeding device and the dispersing and leveling mechanism, evenly disperses and guides concrete material to different positions in the feeding hopper, achieving oscillating and dispersing feeding. This effectively avoids the problems of clumping and localized pile-up caused by concentrated concrete material accumulation. The leveling component quickly levels the dispersed material, ensuring that the surface of the concrete material in the feeding hopper remains flat and of uniform height. Finally, the gravity-flipping feeding mechanism quantitatively feeds the material, eliminating the need for manual intervention in the feeding process, significantly reducing labor intensity and improving production efficiency.

This invention relates to the field of building component technology, and more particularly to a crack-resistant glass fiber reinforced concrete composite pipe and its manufacturing process. The process includes: firstly, preparing a cylindrical reinforcing cage and configuring it with multi-scale glass fiber concrete containing a medium- and long fiber skeleton, short fibers, and fine fibers. Then, a pre-core pipe is formed by centrifugal casting, and after curing, the finished composite pipe is obtained. This method obtains the crack load by conducting an external pressure test on the finished product, and determines whether the product is qualified based on the comparison result with a preset threshold. For unqualified products, further diagnosis and automatic correction of the centrifugal speed are achieved by calculating the skeleton offset characterization value, or by analyzing the crack fluctuation characterization value to diagnose and automatically optimize the casting rate and curing time, thereby forming a closed-loop quality control. The composite pipe obtained by this invention combines the high toughness of steel reinforcement with the strong crack resistance of the multi-scale fiber network, and has a socket, anti-permeability coating, and anti-corrosion layer, resulting in enhanced durability.

The utility model discloses concrete pipe concrete with a bottom, which relates to the technical field of concrete pipe concrete and comprises a core mold, a supporting plate sleeved outside the core mold, an outer mold arranged at the top of the supporting plate, an insert fixed at the top of the supporting plate between the outer mold and the core mold, an upper plate arranged at the top of the outer mold, fixedly connected with the outer side of the outer mold and convenient for lifting the outer mold. The top of a concrete material can be flattened by arranging the pressing plate, the phenomenon that the thicknesses of the bottoms of produced concrete pipes with bottoms are inconsistent is avoided, meanwhile, the problems that the bottoms of the concrete pipes are prone to falling off and the bottoms of the concrete pipes are difficult to demould can be effectively solved by arranging the base plate and the reinforcing mesh, and the yield and the production efficiency are improved.

The utility model discloses a prestressed or non-prestressed concrete semi-solid square pile which comprises a pile body, solid areas are arranged at the two ends of the pile body respectively, a cavity area is arranged in the middle of the pile body, and the pile body comprises a reinforcement cage and concrete poured inside and outside the reinforcement cage. The reinforcing cage comprises prestressed or non-prestressed reinforcing steel bars and spiral stirrups connected with the reinforcing steel bars, the reinforcing steel bars extend in the longitudinal direction, a cavity piece is arranged on the inner side of the cavity area, and the cavity piece is a pipeline with the two ends sealed or a moisture-proof high-strength deformation-resistant paper tube or a high-compression-resistance concrete stubble blocking air bag. The solid square pile is simple in structure, low in manufacturing cost, stable in quality, capable of being formed at a time, free of new and old concrete connection, high in economical efficiency, high in corrosion resistance and wide in geological adaptability, the strength of the whole pile body tends to be consistent, the size of the cavity can be accurately controlled, use requirements under different conditions are met, production hardware of a common solid square pile is considered in the manufacturing process, and production cost is reduced. The sociality and the popularization value are very high.

The utility model relates to the technical field of culvert pipe production, in particular to a mold device for cement culvert pipe production. A culvert pipe mold is arranged on one side of the rotating equipment, a longitudinally-arranged moving mechanism is arranged on the front side of the culvert pipe mold, a vertical rod is fixedly connected to the top of the moving mechanism, a mounting frame is fixedly connected to the top of the vertical rod, and a second motor is fixedly connected to one side of the mounting frame. The tail end of a main shaft of the second motor is fixedly connected with a rotating cylinder; the moving mechanism is started to drive the vertical rod to move, the rotating cylinder enters the culvert pipe mold, the water spraying head can wash concrete in the culvert pipe mold and is used for removing large stones and guaranteeing the bonding quality of the concrete, meanwhile, the second motor drives the rotating cylinder to rotate, the water spraying head can be guaranteed to rotate at the moment, and the concrete can be sprayed out conveniently. And then all parts of concrete in the culvert pipe mold are washed, the bonding quality is ensured, and the cleaning efficiency can be effectively improved.

The utility model relates to the technical field of electric pole production, in particular to electric pole production equipment capable of quickly changing molds, which comprises an upper mold and a lower mold, a plurality of groups of semicircular first reinforcing plates which are arranged at equal intervals are arranged on the outer wall of the upper mold, and semicircular first rollers are arranged between two adjacent groups of semicircular first reinforcing plates. The multiple semi-annular first reinforcing plates and the multiple semi-annular first rollers are jointly connected with two strip-shaped fixing plates, a plurality of rectangular butt joint blocks which are arranged at equal intervals in the left-right direction are arranged at the bottoms of the strip-shaped fixing plates, and multiple sets of semi-annular second reinforcing plates which are arranged at equal intervals are arranged on the outer wall of the lower mold. A semi-annular second rolling wheel is arranged between every two adjacent semi-annular second reinforcing plates, and the multiple semi-annular second reinforcing plates and the multiple semi-annular second rolling wheels are jointly connected with two locking assemblies. According to the electric pole production equipment capable of rapidly replacing the mold, through cooperation of the locking assembly and the rectangular butt joint block, rapid locking and unlocking operation of the mold is achieved.

The application relates to an indoor standardized prefabrication process and a matching device for a concrete sleeve foundation of an electric pole, and belongs to the technical field of prefabricated reinforced concrete components. The technical scheme comprises the following steps: ① mold cleaning and brushing of a release agent; ② mold assembly and reinforcement; ③ steel bar binding and installation of embedded parts; ④ acceptance of commercial concrete; ⑤ concrete pouring, vibration and surface light collection; ⑥ steam curing; ⑦ mold disassembly; ⑧ demolding and hoisting; ⑨ product acceptance and stacking. The application realizes high-precision assembly and sealing of the mold, avoids slurry leakage and size deviation, guarantees uniformity of a steel bar protective layer and accurate positioning of embedded parts, prevents displacement in the process of pouring and vibration, optimizes the concrete pouring and vibration process, avoids defects such as honeycomb and rough surface of the cylindrical component, and guarantees smoothness of the inner wall, perfects the steam curing process, shortens the curing period, avoids concrete cracks, and guarantees uniform development of the component strength.

This invention discloses a mold for the production of precast concrete pipe piles, aiming to solve the technical problem of easy bending and breakage of reinforcing bars during concrete pouring into the mold. The structure includes an upper mold with a lower mold at its bottom, the upper and lower molds corresponding to each other, and a reinforcing cage placed inside both molds. This invention uses compression support on both sides of the reinforcing cage after it is installed inside the lower mold to ensure it is firmly positioned within the lower mold. A fixed amount of concrete is uniformly poured into the lower mold, and the upper mold and sealing plate are installed. Simultaneously, the tie rod in the tensioning and positioning mechanism is connected to the threaded sleeve, and then connected to the connecting parts via an external hydraulic device. The tie rod in the support seat moves outward, ensuring that the bent reinforcing cage is straightened again. This effectively ensures the reinforcing cage is positioned in a straight state within the pipe pile, greatly improving the strength and compressive strength of the pipe pile.

This invention relates to the field of concrete processing technology and discloses a molding die for concrete pipe piles used in water conservancy projects and its molding method, comprising a main body. When the centrifugal shaft begins to rotate, the outer surface of the centrifugal shaft drives the positioning plate to rotate. As the positioning plate rotates, the arc-shaped spring in the contracted portion pushes the telescopic rod to reset, thereby applying an inclined thrust to the fixing ring, thus assisting the rotation of the fixing ring and the die. When the arc-shaped spring at the top of the positioning plate contracts, the arc-shaped spring at the bottom of the positioning plate is stretched by the tension of the moving positioning plate, accumulating potential energy. This reduces the slippage that can occur when the centrifugal shaft drives the die to rotate on a rotating device due to the weight of the die, ensuring the stability of the centrifugal shaft driving the die's rotation and improving the quality of the die during pipe pile production.

The invention relates to the technical field of bridge engineering piers, and discloses a UHPC non-dismantling formwork pier, a UHPC formwork forming device and a pier construction method.The UHPC non-dismantling formwork pier comprises a non-dismantling formwork, a vertical stress component and a stress base body, the non-dismantling formwork comprises a formwork body and a reinforcing framework, the reinforcing framework is pre-fixed to the formwork body and comprises stirrups and positioning blocks, and the positioning blocks are fixed to the stirrups and the positioning blocks; the stirrup is spirally wound in the formwork body, at least one part of the stirrup is embedded into the inner wall of the formwork body, the inner wall of the formwork body or the inner wall of the formwork body and the stirrup form a constraint area, the positioning block is provided with a first positioning hole matched with a vertical stress component, and the projection of the first positioning hole in the vertical direction is located in the constraint area. The vertical stress component penetrates through the first positioning hole, and the constraint area is filled with the stress base body. The bearing capacity, economical efficiency, durability and construction efficiency of the pier can be improved.

This application relates to a tensioning device and a tensioning machine. The tensioning machine includes a tensioning unit and a control unit. The tensioning unit includes a housing, a tensioning rod assembly, and a detection assembly. The tensioning rod assembly has a tensioning head. The tensioning rod assembly can rotate relative to the housing around its own central axis and advance along its own axial direction to engage with the tensioning screw, or it can retract relative to the housing along its axial direction to tension the member to be tensioned. The detection assembly is disposed on the housing and is used to measure the relative position between the tensioning head and the tensioning screw. Based on the measurement result, it sends a measurement signal to the control unit, so that the control unit can control the tensioning head to be coaxially aligned with the tensioning screw based on the measurement signal, and control the tensioning head and the tensioning screw to engage with each other to a preset length, thereby realizing fully automatic alignment and fully automatic tensioning. This not only improves production efficiency and reduces the labor intensity of workers, but also allows the tensioning station to be set as an unmanned operation station, effectively avoiding the risk of personal injury.

The application discloses a kind of fabricated prefabricated rainwater and sewage well processing technology, comprising the following steps: step one, make forming steel reinforcement frame, and install the steel reinforcement frame after forming to outer sheath;Step two, clean pouring mold, and the outer sheath with steel reinforcement frame is arranged to pouring mold;Step three, mix concrete, and pour the mixed concrete into pouring mold;Step four, make continuous rotation pouring mold, and add sodium carbonate to the rotating mold, so that pouring mold can be quickly shaped into water well prefabricated part during rotation;Step five, the water well prefabricated part after shaping carries out demolding work;Step six, the water well prefabricated part after demolding is arranged to curing room, and carries out steam curing work.The fabricated prefabricated rainwater and sewage well processing technology uses outer sheath as steel reinforcement frame as support piece, which can effectively avoid the steel reinforcement frame exposed outside the water well prefabricated part, thereby ensuring the uniformity of subsequent water well prefabricated part stress, improve the stress safety of water well prefabricated part.

The present invention discloses a combined immersed tube segment for an immersed tube tunnel and a construction method. The combined immersed tube segment for an immersed tube tunnel comprises: a segment body, the segment body being a reinforced concrete structure, the segment body comprising a top plate, a bottom plate, side walls, and a middle wall, the top plate, the bottom plate, the side walls, and the middle wall enclosing a tunnel for vehicles; an inner lining steel plate, the inner lining steel plate being disposed on the inner side wall of the tunnel; a tubular cavity, the tubular cavity being disposed on the outer side wall of the inner lining steel plate and embedded within the segment body, the top plate being provided with a grouting hole and a first exhaust hole communicating with the interior of the tubular cavity; and a water tank, the water tank being detachably disposed within the tunnel. The above structure can reduce the draft of the immersed tube segment during floating transportation and eliminates the need for large trusses when casting the segment body, thereby reducing the construction cost and construction difficulty of the immersed tube tunnel.

The application discloses a prefabricated circular pipe culvert mold and a prefabricated circular pipe culvert hoisting method, and relates to the technical field of bridge and culvert molds. The prefabricated circular pipe culvert mold comprises an inner mold, an outer mold, a base and a plurality of movable base plates. The bottom of the inner mold is detachably fixedly connected to the base. The bottom of the outer mold is detachably fixed to the base. An annular cavity is formed between the outer mold, the inner mold and the base and is used for pouring concrete to form a prefabricated circular pipe culvert. A plurality of open grooves are arranged on the base. The inner end of each open groove extends to the position of the base on the inner side of the inner mold. The outer end of each open groove extends outward to the outer edge of the base. The first end of each movable base plate is rotatably connected to the base at the inner end of the open groove. The second end of each movable base plate is detachably fixedly connected to the base at the outer end of the open groove to seal the open groove. The prefabricated circular pipe culvert can be conveniently hoisted from the mold base and safe construction in the process can be ensured. Secondary construction of the prefabricated circular pipe culvert is avoided, and the workload in the later period is reduced.

The invention discloses a production device and method for a horizontal type double-rubber-ring reinforced concrete pipe with a base and a flexible connector, and relates to the technical field of reinforced concrete pipe production, the production device comprises a base, an outer mold, an inner mold, a jacking mechanism and a traction mechanism, the inner mold is a seamless hollow cylinder, the inner mold is used for being installed in the outer mold, and the jacking mechanism is used for jacking the inner mold; a pouring space of the double-rubber-ring reinforced concrete pipe is formed between the outer mold and the inner mold, a jacking part is arranged at one end of the inner mold, and a traction part is arranged at the other end of the inner mold; the jacking mechanism is arranged on one side of the base, and when the strength of the double-rubber-ring reinforced concrete pipe reaches 70%-75% of the design strength, the jacking mechanism jacks the jacking part so that an initial separation gap can be formed between the inner mold and the double-rubber-ring reinforced concrete pipe; the traction mechanism is arranged on the side, away from the jacking mechanism, of the base and used for being connected with the traction part to horizontally pull out the inner mold, the structure is simple, use is convenient, the inner mold demolding problem in the horizontal production process is effectively solved, and the inner wall forming quality is effectively improved.

The application discloses a cement pole production mold and belongs to the technical field of cement poles. The cement pole production mold comprises a hoisting support seat, one side of the hoisting support seat is fixedly connected with a supporting half cylinder, two closing plates are fixedly connected in a symmetrical structure in the supporting half cylinder, a closing half cylinder is hingedly installed on one side of the supporting half cylinder, a threading plate is fixedly connected to one end of the closing half cylinder, a steel cable is inserted into the threading plate, a locking ring is fixedly connected between the head and the tail of the steel cable, a winding wheel is inserted into the middle of the steel cable, a winch is fixedly connected to the outside of the winding wheel, and the winch is fixedly connected to one side of the hoisting support seat. When the winding wheel inserted with the steel cable is driven by the winch to release the cable, the cable can realize the closing between the closing half cylinder and the supporting half cylinder, and the quickness of the cement pole sleeve limiting in the mold is ensured.

The invention relates to the technical field of drainage pipes, in particular to a high-strength and high-sealing reinforced concrete drainage pipe, a manufacturing method and a formula. Comprising a concrete body, reinforcing steel bars and butt joint steel rings. The concrete main body is in a hollow tubular shape; the concrete main body covers the steel bars; the butt joint steel ring is arranged at the end part of the concrete main body; the butt joint steel ring protrudes out of the concrete main body; and the butt-joint steel ring is attached to the reinforcing steel bar. In the prior art, a connector on a drainage pipe is also a concrete connector, although the materials are kept consistent, leakage is easily caused at the connector of the drainage pipe under the influence of the physical characteristics of the materials, and the problem that leakage is easily caused on the whole drainage pipe is solved. Compared with the prior art, compared with a concrete connector, the steel structure is more stable and not prone to deformation, and therefore the problem of leakage of the whole drainage pipeline caused by leakage is effectively prevented.

The invention belongs to the technical field of pipe fitting forming, and particularly relates to a ceramic matrix composite pipe fitting forming tool and method. A positioning tool comprises two outer mold sections and a core mold; a forming groove, a first positioning groove and a second positioning groove are formed in the outer mold section; the cross section of the forming groove is of a semicircular structure with one large end and one small end, and the diameter of the cross section of the forming groove is gradually reduced from one end to the other end; the first positioning groove is located at the large-diameter end of the forming groove, and the second positioning groove is located at the other end of the forming groove. The core mold comprises a central shaft and an inner mold barrel coaxially connected to the central shaft in a sleeving mode, and the outer diameter of the inner mold barrel is gradually increased from one end to the other end; the thick end of the inner mold barrel is vertically connected with a first baffle with the periphery protruding out of the outer side wall, and the thin end of the inner mold barrel is vertically provided with a second baffle with the periphery protruding out of the outer side wall; and the inner mold cylinder is detachably connected with the second baffle plate. Forming of the tail spray pipe of a conical pipe structure is achieved, demolding of the inner mold in the formed pipe fitting can be conveniently and rapidly completed, and the production efficiency is improved.

The invention discloses a built-in concrete distributing device and method for a tubular pile steel mold. The device comprises a material receiving assembly, a material distributing assembly, a stirring assembly and an additive spraying assembly. And a loading vehicle of the material receiving assembly bears the lower template with the built-in reinforcement cage to move. A discharging pipe of the material distribution assembly can axially stretch into the reinforcement cage for center material distribution, and concrete is prevented from being attached to stirrups. The stirring assembly synchronously vibrates and stirs during material distribution through an adjustable stirring rod, and it is ensured that concrete is uniform and compact. The admixture can be added into the admixture spraying assembly according to needs. The using method comprises the steps that the reinforcement cage is positioned, and the discharging pipe extends into the reinforcement cage; carrying out material distribution, synchronous stirring and additive spraying; and closing the mold after completion. The problems that concrete adheres to ribs, distribution is uneven, and performance regulation and control are inconvenient are solved, and the production efficiency and the forming quality of the pipe pile are improved.