353results 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 discloses a connector of a wind power concrete tower drum, a tower drum section and a tower drum construction method, the connector comprises a tower drum inner bottom flange and a lower turnup pipe drum, the lower turnup pipe drum is coaxially welded and fixed on the inner wall of the tower drum inner bottom flange to obtain a ring groove, and the ring groove is filled with ultra-high performance concrete. According to the tower tube sections, the connectors are arranged at the upper end and the lower end of a common concrete pipe, and prestressed tendons penetrate through ultra-high performance concrete of the connectors and the common concrete pipe and are locked through prestressed anchorage devices. The construction method comprises the following steps: 1, prefabricating the inner bottom flange and the lower flanging pipe barrel of the tower barrel in a factory; 2, coaxially welding the inner bottom flange of the tower barrel and the lower flanging pipe barrel; 3, a connector is manufactured, and a common concrete pipe is manufactured; 4, hoisting in place in sequence on site; and 5, the prestressed steel bars penetrate through the tower drum sections and are locked through the prestressed anchorage devices. The method has the technical effects that the bearing capacity of concrete tower drum connection is enhanced, the anti-fatigue performance of the concrete tower drum joint and the overall stability of the tower drum are improved, and the construction cost is low.

The invention discloses a special-shaped concrete pipe pile adjustable forming die and a concrete pipe pile forming method, and relates to the technical field of concrete pipe piles. The special-shaped concrete pipe pile adjustable forming die comprises a base, symmetrically-distributed fixing bases are fixedly connected to the top of the base, and an adjusting structure is installed at the end, away from the fixing bases, of the top of the base; the adjusting structure comprises a sliding strip connected to the top of the base in a sliding mode. According to the adjustable forming die for the special-shaped concrete pipe pile and the concrete pipe pile forming method, a combined structure of the sliding grooves, the sliding strips and the lead screws is designed at the top of the base, so that the distance between the barrel-shaped dies can be flexibly adjusted, the lead screws are driven by the double-shaft motor to rotate, and the sliding strips are driven to stably slide in the linear direction; by means of the modular splicing design of the first mold and the second mold, additional mold assemblies can be additionally arranged according to actual needs, the length of the barrel-shaped mold is increased, and therefore the machining requirements of concrete pipe piles of different specifications are met.

The invention discloses concrete pipe pile manufacturing equipment and a manufacturing method, and relates to the technical field of concrete pipe piles, the concrete pipe pile manufacturing equipment comprises two lower templates, and the two lower templates are rotatably connected; the upper mold plate is detachably arranged at the tops of the two lower mold plates, so that the two lower mold plates and the upper mold plate are combined into a cylinder; the base is provided with a driving wheel, and the cylinder can be placed on the driving wheel; each fixing mechanism comprises two fixing assemblies, each fixing assembly comprises a clamping jaw and a push-pull rod, the clamping jaws are rotationally connected to the upper die plate, and one end of each push-pull rod is connected with the upper die plate. When the upper formwork is hoisted to the lower formwork through external hoisting equipment, the upper formwork and the lower formwork are automatically connected and fixed through the clamping jaws, when the formworks rotate, the clamping blocks are automatically locked, the clamping jaws are fixed, and when the upper formwork and the lower formwork rotate, the vibration head enters concrete for vibration through rotation of the rotating cylinder; and the compaction degree of the concrete is improved.

According to the hollow concrete pile core mold tensioning structure, a pouring core mold is supported by a tensioning framework, the outer side of the tensioning framework is wrapped with an elastic skin, the elastic skin forms a hollow structure during concrete pouring through circumferential stretching or stretching of the tensioning framework, and the hollow structure is pulled out of a center hole after forming; and pouring forming of the hollow concrete pile is completed, the tensioning framework supports the elastic skin in an attached mode through the multiple inner supporting plates, the inner supporting plates are supported in the radial direction through the jacking structure, and in the process, expansionary force and supporting force of the elastic skin are provided. The pouring core mold is in tensioning fit with the tensioning plate set through the tensioning rod, the tensioning rod is connected with the tensioning adjusting device, the tensioning adjusting device can tighten or loosen the jacking structure, the inner supporting plate is supported or recycled by the jacking structure, and forming of the hollow structure of the hollow concrete pile through the elastic skin is completed. The invention further provides a hollow concrete pile tensioning die.

The utility model relates to the technical field of mold closing devices, and provides a mold closing device for prestressed concrete pipe pile production, which comprises a moving component and a supporting structure, the supporting structure is fixed at the top end of the moving component, a mold closing component is fixed at the top end of the supporting structure, and a central component is arranged in the mold closing component. Through the arrangement of the sliding mechanism, after the concrete pipe pile is formed, the fixing blocks are loosened, the mold bodies on the two sides are separated, then the mold bodies are pulled outwards, the friction force between the first sliding block and the base and between the second sliding block and the base can be reduced through balls at the bottom ends of the first sliding block and the second sliding block, and therefore the concrete pipe pile is formed. According to the mold closing device for prestressed concrete pipe pile production, the mold body is better moved, more labor is saved during movement, the function that the mold closing device has the function of facilitating movement and separation of the mold body is achieved, and the use convenience of the mold closing device for prestressed concrete pipe pile production is improved.

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 invention discloses a horizontal two-dimensional orientation steel fiber UHPC wind power tower drum ring piece preparation device and method, and relates to the technical field of wind power tower drum engineering. The device is mainly composed of an annular mold, an annular sliding rail, an electric sliding block, coils and a direct-current power source, the direct-current power source supplies power to the coils on the inner side and the outer side to generate a uniform and controllable magnetic field, the coils are driven by the electric sliding block to achieve synchronous annular rotation, the magnetic field intensity and the action time are adjusted according to different flowing degrees of UHPC mixtures, and therefore the UHPC mixtures can be manufactured. And under the action of a rotating magnetic field, the steel fibers form two-dimensional distribution in a horizontal plane. Compared with a traditional UHPC wind power tower drum, the horizontal two-dimensional directional steel fiber reinforced UHPC wind power tower drum produced by the device has the advantages that the compression bearing capacity is improved by 15%-20%, and the compression fatigue resistance is improved by 40%-50%. According to the tower drum structure, the thickness of the tower drum ring section can be reduced by 10%-20%, the dead weight of the tower drum and the consumption of raw materials are reduced, and the transportation and construction cost is reduced. The device is simple in design and convenient to disassemble and assemble, has efficient and reliable industrial production potential, and can be widely applied to manufacturing and optimization of wind power towers.

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 discloses a pouring device for energy-saving and environment-friendly cement telegraph pole production, which comprises a base, two groups of half-barrel molds are arranged above the base, a sealing side cover is arranged on one side of each half-barrel mold, a closed side cover is arranged on the other side of each half-barrel mold, and a control connecting valve matched with a material conveying pipe is fixedly connected to the surface of each sealing side cover. Belt half wheels are fixedly connected to the surfaces of the half barrel molds, two sets of sealing cover side covers and sealing side covers are assembled to form a sealed cavity, a conveying pipe injects concrete materials into the formed cavity through a control connecting valve, the conveying pipe is pulled out, a motor fixedly connected to the top of a supporting seat is started, and the conveying pipe is driven to rotate; the motor drives the belt wheel fixedly connected with the output end, the linkage belt connected with the surface of the belt wheel in a sleeving mode drives the belt half wheel and the half-barrel mold to rotate at the same time, a cavity is fully filled with concrete and compacted through centrifugal force, the inner wall of the half-barrel mold is sprayed with the abrasion-resistant layer, and the abrasion and maintenance cost of the half-barrel mold is reduced.

The invention discloses a light-weight corrosion-resistant prestressed concrete cylinder pipe which comprises a steel cylinder, a UHPC pipe core, a BFRP prestressed tendon layer and a mortar protection layer. The two layers of UHPC pipe cores are respectively positioned on the two sides of the steel cylinder; the BFRP prestressed tendon layer is fixed through a split type basalt anchoring device, and the anchoring device comprises an inner layer BFRP-RPM embedded part and an outer layer epoxy resin grouting layer. Variable cross-section thickness distribution is designed in the axial direction of the UHPC pipe core, the end thickness # imgabs0 # of a bell and spigot is 60-80 mm, and the middle thickness # imgabs1 # of the bell and spigot is 40-50 mm; bFRP prestressed tendons are adopted to replace traditional high-strength prestressed steel wires. The BFRP material has excellent corrosion resistance and can keep stable performance in a chloride ion corrosion environment, so that the problem of wire breakage caused by corrosion is avoided, the corrosion resistance of the pipeline is remarkably improved, and the service life of the pipeline is prolonged.

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 utility model discloses an automatic pipe pile prestress traction device which is arranged on a supporting plate frame and comprises a tensioning oil cylinder, a traction lead screw and the tensioning oil cylinder are concentrically arranged, the traction lead screw penetrates through the tensioning oil cylinder, and the traction lead screw can rotate around the central axis of the traction lead screw through a moving mechanism and move in the direction of the axis of the traction lead screw. The traction lead screw is detachably connected with a pipe pile mold through axial movement and a traction chuck arranged at the front end of the traction lead screw, a piston rod in the tensioning oil cylinder exerts axial thrust on the traction lead screw and acts on the pipe pile mold to achieve tensioning of prestress, and a plurality of supporting ejector rods are arranged on the front side of the supporting plate frame. An auxiliary adjusting device is arranged on the supporting ejector rod, the auxiliary adjusting device adjusts the central axis of the pipe pile mold to be concentric with the axis position of the traction lead screw, a buffering device for reducing the impulsive force of the pipe pile mold is arranged on the auxiliary adjusting device, and locking connection and traction force application on the pipe pile mold can be automatically achieved. And the safety and the efficiency are further 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.

The utility model relates to the technical field of tubular pile production, and discloses a centrifugal device for a tubular pile mold, which comprises a support, a plurality of rotating shafts, a first driving device, a friction wheel, a movable seat, a pressing wheel, a second driving device, a third driving device and a locking component, and the rotating shafts are provided with a plurality of rollers which are used for supporting the tubular pile mold. The centrifugal machine has the advantages that after centrifugal operation is finished, the third driving device drives the movable seat to move so that the pressing wheel can be tightly pressed on the friction wheel, the second driving device drives the pressing wheel to rotate, and the friction wheel, the rotating shaft, the rolling wheel and the mold are driven to rotate; when the mold rotates until the screw of the mold closing bolt is vertically downward and the upper mold is just above the lower mold, the third driving device drives the movable seat to move so as to enable the pressing wheel to leave the friction wheel, and the friction plate in the locking assembly abuts against the end face of the friction wheel to lock the positions of the friction wheel, the rotating shaft, the rolling wheel and the mold; the effect that the position of the mold can be rotationally adjusted after centrifugal operation is finished is achieved.

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.

The present invention provides a prefabricated steel formwork that can be quickly disassembled, and relates to the technical field of prefabricated formworks, comprising a driving mounting member, on which a rotating outer formwork is mounted; on which a rotating inner formwork is mounted; the rotating outer formwork and the rotating inner formwork are used to rotate to prevent concrete adhesion, and a circle of the spiral mixing member is used to prevent concrete aggregate from settling; the limiting effect after concrete pouring is utilized to ensure the installation accuracy of the steel cage, and at the same time, the prefabricated member can be quickly retracted to ensure a smooth surface after molding, thereby ensuring the molding process effect; the problem that the current prefabricated steel formwork is not convenient for casting and positioning work on the concrete steel cage, the steel cage has a large deviation after molding, is not convenient for realizing rotation anti-sticking work, and the concrete is very easy to adhere to the formwork, which is not convenient for demoulding is solved.

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 invention relates to the technical field of fastening of concrete reinforced pipe piles, in particular to a high-strength fastener for a building construction concrete reinforced pipe pile based on special steel and a fastening method of the high-strength fastener. Comprising a fixed mold, a plurality of dynamic fastening devices regularly arranged on the two sides of the fixed mold and a static fastening device arranged above the dynamic fastening devices. According to the high-strength fastener for the building construction concrete reinforced pipe pile based on the special steel and the fastening method of the high-strength fastener, when a shaft end screw rod is twisted to drive a rotating shaft to rotate, a plurality of rotating parts on the two sides of an upper mold can be driven to rotate through a plurality of worms, and a plurality of threaded rods are fixed in a fixed block body at the same time; and the labor intensity of workers is reduced, and the time for fastening the concrete reinforced pipe pile is shortened.

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.