916results about "Ceramic shaping plants" patented technology

The invention relates to the technical field of cement prefabricated part production equipment, in particular to a cement prefabricated plate production device and method. Comprising a rack, and the rack is provided with a steel bar laying mechanism, a pouring and distributing mechanism, a precise vibrating mechanism, a forming and pressing mechanism and a conveying mechanism; the steel bar laying mechanism comprises a laying support, a moving assembly and a positioning assembly. The pouring and distributing mechanism comprises a storage bin and a grading and distributing assembly; the precise vibrating mechanism comprises a vibrating frame and a vibrating unit; the forming press-fit mechanism comprises a press-fit support, a press-fit driving assembly and a press-fit plate. According to the invention, the adjustable design of steel bar spacing is matched with the positioning assembly, so that the spacing of steel bars of different specifications is accurately adjusted, the steel bars are quickly placed at preset positions, and then the distribution amount of each area is adjusted according to the distribution of the steel bars through the grading distribution assembly to ensure sufficient slurry in the corresponding cement area; and the precise vibrating mechanism combines preset steel bar parameters to achieve differential vibrating, and the vibrating strength is enhanced in a steel bar dense area to guarantee sufficient slurry filling.

The multifunctional numerical control rolling forming production line comprises a circulation line, a tool changing platform is erected at the head end of the circulation line, a rotary disc in the tool changing platform clamps a plurality of rolling heads, the rotary disc is driven by a pushing air cylinder to move the corresponding rolling heads to the position below a rolling head base, and a tool beating air cylinder on the rolling head base clamps the rolling heads through a clamping assembly. A drying room is arranged at the tail section of the circulating line, a feeding mechanism is arranged on the line on the opposite side of an inlet of the drying room, the feeding mechanism quantitatively feeds mud strips into a mold on the circulating line, and a transferring manipulator is arranged at an outlet of the drying room; the circulation line is provided with different types of molds, the feeding mechanisms, the tool changing platforms and the self-adaptive rolling head seats distributed around the production line are matched with one another, a proper amount of mud strips can be input according to the types of the molds, rolling heads can be replaced, and parameters such as inclination angles and rotating speeds can be adjusted, so that non-stop continuous production of different types of ceramics is realized; and the method is suitable for producing various small-batch domestic ceramics.

The utility model discloses concrete block compression molding equipment, and aims to solve the problems that a large number of supporting plates occupy a large storage space, more time and manpower need to be input for managing the large number of supporting plates, and the management difficulty and the labor cost are increased. According to the technical scheme, the concrete block compression molding equipment is characterized by comprising a molding machine body, an operation box is arranged on one side of the molding machine body, first guide rails are symmetrically arranged at the tops of the two sides of the operation box, first sliding blocks are slidably connected to the first guide rails, a first sliding table is arranged on the two first sliding blocks, and a first supporting plate is arranged on the first sliding table; second guide rails are symmetrically arranged in the operation box, and second sliding blocks are slidably connected to the second guide rails. According to the compression molding equipment for the concrete blocks, the continuous compression molding process of the blocks can be completed only by arranging the first supporting plate and the second supporting plate which are alternately changed in position, and the problems that the storage pressure is large and the management cost is high due to the fact that a large number of supporting plates are used are solved.

The invention provides a convection type bridge prefabricated part flow production line. The convection type bridge prefabricated part flow production line comprises a trolley and a ferry area. The ferry area is located in the center area of the assembly line, the steel bar binding machining area, the concrete pouring area, the steam curing shed, the primary tensioning area and the curing and secondary tensioning area are located on the periphery of the ferry area, and the beam storage area is arranged on one side of the curing and secondary tensioning area. The procedures of steel bar binding, formwork closing, concrete pouring, steam curing, formwork removal, pre-tensioning, outdoor curing and final tensioning and the like are completed one by one, and intensive assembly line type production of prefabricated parts is achieved; compared with a conventional longitudinal flow production line, the flow production line is compact in layout and small in occupied area, the situation that follow-up production is affected by preorder faults does not exist among the procedures any more, and production scheduling is flexible and reliable. The convection type bridge prefabricated part flow production line has the beneficial effects that the construction efficiency can be improved conveniently, and the formworks can be dismantled rapidly.

The invention relates to the technical field of precast beam fields, and discloses a precast beam field layout structure and method. Comprising a mixing station, a stock bin located beside the mixing station, an office area opposite to the mixing station, a test room beside the stock bin, an intelligent reinforcing steel bar machining center and a material reserve center on the side edge of the test room, a reinforcing steel bar binding area on the side edge of the intelligent reinforcing steel bar machining center, and a beam manufacturing area and a beam storage area on the side edge of the reinforcing steel bar binding area. All functional areas are intensively arranged according to the production process, streamlined operation is formed, construction connection between procedures is enhanced, labor division is clear, cross construction of all the areas is reduced, logistics organization pressure is reduced, construction management is facilitated, a steel bar factory and a steel bar binding area are designed to be communicated, and therefore the defects that the beam field expansion distance, the steel bar cage hoisting distance and the beam lifting distance are too long, and construction efficiency is low are overcome. The problems that functional areas of an existing prefabricated beam field layout structure are scattered, and zoning is not clear are solved.

The utility model discloses a full-automatic wine bottle processing device which comprises a mold line scraping and closing mechanism which at least comprises a first bottom wiping device, a blank conveying belt mechanism, a blank repairing mechanism, a belt line mechanism, a blank washing mechanism and a second bottom wiping device. Wherein the first bottom wiping device and the second bottom wiping device are the same in structure and are distributed on the two sides of the mold line scraping and closing mechanism, and a blank taking belt conveyor matched with the second bottom wiping device is installed on the side where the second bottom wiping device is located. The first bottom wiping device comprises a bottle bottom wiping water tank, a bearing mounting seat mounted below the bottle bottom wiping water tank, a bottom wiping rotating arm mounted above the bottle bottom wiping water tank and a clamping device, and a wine bottle to be processed is arranged on the inner side of the clamping device; the blank conveying belt mechanism comprises a blank conveying belt rack, a wide finger air cylinder and a drill support, wherein the wide finger air cylinder and the drill support are installed above the blank conveying belt rack. According to the full-automatic wine bottle processing device, the processing flow needs few personnel participation, so that the automation degree of the whole wine bottle processing flow is improved, and the processing efficiency is improved.

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

A multi-stage mineralization maintenance building material system utilizing tail-discharged industrial flue gas belongs to the field of carbon emission reduction and solid waste resource utilization, and comprises an industrial flue gas CO2 first-stage regulator, a first air compressor and a concrete slurry primary mineralization pool / device, one side of the concrete slurry primary mineralization pool / device is provided with a forming demolding system and an industrial flue gas CO2 second-stage regulator, and the other side of the concrete slurry primary mineralization pool / device is provided with an industrial flue gas CO2 second-stage regulator. In order to solve the problems that the utilization rate of industrial flue gas is poor and the carbon sequestration rate of building materials is low, the invention develops a system for multi-stage mineralization maintenance of building materials by using tail-discharged industrial flue gas based on a preparation process of unfired building materials. According to the method, CO2 in the industrial flue gas is utilized to perform multi-time multi-stage mineralization maintenance in the whole preparation process of the building material, so that the carbon sequestration rate of the conventional building material is increased, the mechanical strength of the building material is enhanced, low-carbon production of the building material can be realized, and carbon emission of the industrial flue gas can be effectively reduced.

The invention discloses a muck concrete member production and preparation device, a preparation process and a prepared member, relates to the technical field of concrete member production and preparation, and aims to solve the technical problems of insufficient control over the spacing of reinforcing steel bars of a floor member manually and inconvenience in manual demolding. A blanking machine is arranged at the input end of the conveyor; a discharging mechanism is arranged on the conveyor and close to the output end of the blanking machine; a gap between the discharging mechanism and the conveyor forms a channel cavity; a plurality of material loading molds are arranged in the channel cavity; the output end of the discharging mechanism is provided with double-die assemblies opposite to the two sides of the conveyor. According to the device, fixed-distance control over steel bar placement is effectively achieved in a mechanical mode, the good steel bar implanting distance is kept, the concrete member and the material carrying mold are conveniently separated in the mechanical mode by adjusting the double-mold assembly synchronously, and uniform steel implanting and mechanical demolding operation is achieved through the two different operation modes of the double-mold assembly; and the operation functionality is effectively improved.

The invention discloses a concrete processing device for constructional engineering and a processing method of the concrete processing device, and relates to the technical field of concrete processing devices.The concrete processing device comprises a conveying mechanism, a jacking mechanism, a hydraulic forming table and a feeding mechanism, a plurality of material plates are arranged on the conveying mechanism, the jacking mechanism is installed in the conveying mechanism, and the hydraulic forming table is installed on the hydraulic forming table; the hydraulic forming table is arranged above the jacking mechanism, the feeding mechanism is arranged on one side of the hydraulic forming table, six forming grooves are formed in the lower end of the hydraulic forming table, a first hydraulic cylinder is installed at the upper end of the hydraulic forming table, and a second hydraulic cylinder is installed at the lower end of the hydraulic forming table. And the output end of the first hydraulic cylinder penetrates through and extends into the hydraulic forming table and is provided with an upper mold plate, a pressing block is installed at the lower end of the upper mold plate, and according to the scheme, the problems that an existing concrete machining device needs manual feeding and discharging operation, and the process is tedious are solved.

The beam and slab prefabrication integrated production line comprises a steel bar machining unit, a movable mold table, a mold closing mechanism, a concrete pouring unit, a steam curing unit and a finished product transferring unit which are sequentially arranged along a ground rail. A T-shaped steel reinforcement framework is formed by the steel reinforcement machining units, a pouring area is defined by the strip-shaped mold table, the T-shaped mold plate and the side mold plate through the unique structural design of the movable mold table, and the side mold plate can move along the oblique sliding base. The mold closing mechanism realizes mold closing through a hydraulic rod; the finished product transfer unit transfers finished products through cooperation of a hydraulic supporting rod and a transfer trolley. The production line effectively solves the problems of large demolding friction, high energy consumption, low efficiency and the like of a traditional T-shaped beam plate prefabrication production line, can improve the prefabrication quality and production efficiency of the T-shaped beam plate, and is suitable for large-scale bridge engineering construction.

The invention discloses an intelligent flow production line construction method for prefabricated meter gauge sleepers, and belongs to the technical field of sleeper production. In the production process of prefabricated meter gauge sleepers, the problems that the production process is not intelligent, parameters in all links are not accurately controlled, and the product quality is difficult to guarantee exist. In order to solve the problems, according to the construction method, concrete raw materials are conveyed into a double-spiral stirrer through a spiral conveyor to be stirred, and then operations such as injection into a mold vehicle, high-frequency vibration, steam curing and hydraulic demolding are conducted in sequence. Segmented gradient control is adopted in a heating area of the steam curing chamber, a three-stage humidity compensation mechanism is arranged in a constant temperature area, and dynamic balance cooling is implemented in a cooling area. According to the method, intelligent and precise control over prefabricated meter gauge sleeper production is achieved, the production efficiency and the product quality are effectively improved, and the method is mainly used for industrial production of prefabricated meter gauge sleepers.

A method for dismounting and transferring a large immersed tube full-section prefabricated formwork in a limited space comprises the steps that an outer formwork trolley is averagely split into two outer trolley parts, the first outer trolley part is horizontally moved to the front side of a second immersed tube prefabricated area, the first outer trolley part is horizontally rotated to the longitudinal direction, and the second outer trolley part is horizontally moved to the front side of the second immersed tube prefabricated area; and horizontally rotating the second outer trolley part to an inclined state, longitudinally and backwards translating the second outer trolley part to the rear side of the first outer trolley part, horizontally rotating the first outer trolley part and the second outer trolley part to the transverse direction, and assembling the first outer trolley part and the second outer trolley part into the outer mold trolley. According to the embodiment of the invention, the prefabricated template is divided into a plurality of trolley modules, so that the trolley modules can translate towards the second immersed tube prefabricating area along the transverse construction channel, the trolley modules are transferred to the second immersed tube prefabricating area one by one in a transverse translation and rotation mode, and the sequence of the trolley modules is kept consistent in the two immersed tube prefabricating areas; the trolley modules can be combined into the prefabricated formwork again, the number of transferring steps is small, and the construction speed is high.

The invention relates to the technical field of special equipment for energy-saving building material production, in particular to production equipment for an assembly type module heat preservation and sound insulation composite board, which comprises a belt conveyor, a plurality of square casting molds are uniformly distributed on the surface of a belt of the belt conveyor, and two gantry trusses are arranged on two sides of the belt conveyor. An automatic alkali-resisting glass fiber mesh placing device and an automatic XPS plate placing device are arranged at the bottoms of the two door-shaped plates respectively, an automatic alkali-resisting glass fiber mesh pressing device is arranged at the position, located between the two gantry type trusses, of the top of the belt conveyor, and shear type lifters are arranged on the positions, located in the two gantry type trusses, of the outer side of the belt conveyor. The problems that the production efficiency is low, the laying precision is poor, the product consistency and stability are insufficient, and multi-specification production requirements are difficult to meet when alkali-resisting glass fiber screen cloth and XPS plates are laid manually are solved.

The utility model relates to the technical field of concrete prefabricated part production equipment, and discloses a mold table cleaning machine and a concrete prefabricated part production line, the mold table cleaning machine comprises a rack and a cleaning mechanism which is arranged on the rack in a liftable mode, and the cleaning mechanism comprises a scraper knife and a first air blowing device. Specifically, the first air blowing device is provided with an air jet hole, the first air blowing device is suitable for blowing the mold table through the air jet hole, and the blowing range of the air jet hole covers the width direction of the mold table. And in the flowing direction of the mold table, the air jet hole is positioned at the downstream of the scraper knife. According to the mold table cleaning machine and the precast concrete component production line, the side mold position of the mold table can be cleaned, and the cleaning quality is improved.

The production line comprises mixing equipment, granulation equipment, drying equipment and screening equipment which are connected in sequence, the mixing equipment comprises a barrel, the barrel is provided with a discharging port and a plurality of feeding ports, a stirring device is arranged in the barrel, and the screening equipment comprises a base, a driving device, a screening device and a drawing device. The screening device is mounted on the base and is driven by the driving device to vibrate, the screening device comprises a box body and a plurality of screens which are mounted in the box body and are distributed up and down and have different pore diameters, an inlet and an air outlet are formed in the top of the box body, a slag discharging opening is formed in the bottom of the box body, and discharging openings corresponding to the corresponding screens are formed in the side wall of the box body; a filtering device is arranged at the air outlet; and the drawing device is respectively connected with the air outlet of the box body and the air inlet of the barrel body. According to the production line for manufacturing the pottery particles from the fly ash, screening separation and cooling of the pottery particles from the fly ash are carried out at the same time, meanwhile, the material mixing uniformity can be improved, and the product quality is improved.

The utility model relates to the field of hollow brick head manufacturing, in particular to an integral type hollow brick pouring production line. The production line is provided with a feeding part and a discharging part. More than one group of composite hollow brick full-automatic filling equipment is arranged between the feeding part and the discharging part; the full-automatic filling equipment comprises a multi-purpose cleaning, stirring and trowelling device capable of moving left and right on a bottom steel plate (10), the multi-purpose cleaning, stirring and trowelling device can move along the bottom steel plate (10), and the bottom steel plate (10) can move to move fluid materials needing to be filled onto a hollow brick stack so as to enable the fluid materials to flow into holes of hollow bricks.

A concrete test specimen molding device, preparation system and preparation method. The concrete test specimen molding device comprises: a mounting frame, a forming mold (40), a conveying module (41), a vibration module, a tamping module, a leveling module, and a control module; and after a concrete mixture is placed into the forming mold, the vibration module and the tamping module are controlled to start or stop on the basis of performance parameters of the concrete mixture. In the concrete test specimen preparation system and preparation method, a detection device is utilized to perform performance testing on the concrete mixture to obtain the performance parameters. The molding device, preparation system and preparation method reduce labor intensity of operators and improve the preparation efficiency of concrete test specimens.

Thus, there is disclosed an autonomous robotic construction system comprising at least one frame comprising at least one substantially horizontal track and at least one set of substantially vertical track; at least one nozzle; at least one movable device coupled to the frame and configured to move said nozzle around said frame; at least one pump configured to pump building materials through said at least one nozzle; and at least one computer system comprising at least one microprocessor configured to control said at least one nozzle, said at least one movable device and said at least one pump to control deposition of any building materials on a site.

The invention discloses a prefabricated part production line monitoring method and system, and belongs to the technical field of industrial monitoring, and the method comprises the steps: obtaining a three-dimensional point cloud data set of a prefabricated part on a production line, and determining the spatial position coordinates of the prefabricated part according to the three-dimensional point cloud data set; comparing the spatial position coordinates of the component with pre-established standard position information to obtain offset vector data; if the offset vector data exceed the threshold range, generating an offset correction control signal; after the component is adjusted, corrected component space position information is obtained; then calculating theoretical position coordinates of steel bar binding; and comparing the theoretical position coordinates of steel bar binding with the actual mounting position data of steel bar binding, determining a matching precision value, and if the matching precision value is lower than a preset precision threshold, generating optimized coordinate information. According to the prefabricated part production line monitoring method and system, the problems that an existing prefabricated part production mode is low in production efficiency and the quality of obtained products is low are solved.

The invention relates to the technical field of building ceramic production, in particular to a building ceramic wetting powdering production process which is characterized in that in the upgrading and updating dry-method powdering production process link, granulation is carried out, and fine powder is bonded and gathered into granular powder through water drops; the fine powder is uniformly atomized and wetted by fine water mist, so that the fine powder is not granulated. According to the technology, non-stale powder obtained after powder preparation is directly connected with a press for forming, and an anti-sticking roller screen and an anti-sticking material distributing device are used in a matched mode, so that the production effect the same as that of wet-method powder preparation is achieved, meanwhile, the technology route that after slurry grinding, impurity removal and iron removal are conducted through a ball mill in the wet-method powder preparation process, slurry is subjected to filter pressing to form mud, the mud is dried and then crushed into powder, and then wetting powder preparation is conducted is broken through; therefore, a novel powder production process flow which can overcome the defects of a dry-method powder production process and the energy consumption problem of wet-method powder production and is compatible with each other and capable of covering all regions and all categories is formed.

According to the process and equipment for producing the assembly type cavity mold box by utilizing the phosphogypsum, in the aspect of the production process, the acid neutralization procedure of the phosphogypsum is adjusted, and the neutralization uniformity of raw materials is improved; the material component formula and the process flow of the cavity mold box are optimized, and the pouring forming effect is matched with the quality of ardealite and the assembly mortise and tenon joint structure of the cavity mold box. On the aspect of equipment, a structural innovation and integration scheme of a forming unit, a mold opening unit, a mold drawing unit, a pulping unit and a raw material supply unit is developed, and efficient automation of the whole production process of the cavity mold box is achieved. After the method is implemented, the ardealite can be consumed on a large scale, the produced cavity die box belongs to a carbon-free calcium sulfate building material and can replace a large number of high-carbon calcium carbonate cement and lime building materials in many building scenes, high-value environment-friendly utilization of a large amount of industrial solid waste is achieved, and the effects of energy conservation, emission reduction and low carbon are achieved.

The present invention discloses a production system and method of foamed ceramics using dry powder making. The production system includes: an integrated structure of a mesh belt dryer and a kiln, and a vertical mill. The formula material enters the vertical mill after being dried by the mesh belt dryer, and does not include a granulation system for the powder material; the setting of the integrated structure of the mesh belt dryer and the kiln utilizes the kiln to supply heat to the front and rear parts of the mesh belt dryer. The present invention solves the problem of high energy consumption and power consumption caused by the continued use of wet powder making technology for existing foamed ceramics, and can save more than 40% of energy, more than 30% of electricity, more than 95% of water in the production of foamed ceramics, shorten the kiln firing cycle by more than 25%, and reduce carbon dioxide emissions by more than 40%.

The invention discloses a duct piece machining facility and method. The facility comprises a conveying system, a pulping system and a duct piece production system, the conveying system is located at one end of the duct piece production system, and the pulping system is located on the side face of the duct piece production system; according to the pipe piece manufacturing system, gravel is conveyed into the slurrying system through the conveying system, the gravel is manufactured into concrete through the slurrying system, the manufactured concrete is injected into the mold, pipe pieces are manufactured in the pipe piece production system, and in the pipe piece production system, the mold is conveyed through a production rail; the whole vibration table is adopted to vibrate the mold so that concrete can be tamped, finally, steam curing is conducted on the duct piece through the steam curing kiln, in the whole process, full-automatic production is achieved, the production efficiency of the duct piece is greatly improved, waste of manpower resources is reduced, and the production quality of the duct piece is also greatly improved.

The utility model relates to mesh grabbing and putting equipment and a concrete slab production line, which comprise a rack, a sliding device, a rotating device, a hoisting device and a grabbing device, each clamping jaw assembly comprises a clamping end, a plurality of clamping positions are arranged on a mesh, and a moving end of an adjusting mechanism can transversely slide relative to a hanging bracket so as to adjust the transverse position of the clamping jaw assembly. The position of the clamping end is matched with the position of the clamping position; wherein grids of the mesh form clamping positions, and the mesh feeding device has the beneficial effects that the mesh can be flexibly moved to the required position, and obstacle avoidance can be realized in the moving process, for example, obstacles in a field can be avoided by moving in the first direction and rotating in the vertical direction, so that the flexibility of mesh feeding operation is improved; the clamping jaw assembly can be adjusted by the adjusting mechanism to change the horizontal position, so that the two clamping blocks at the clamping ends can actively avoid ribs of a mesh in the process of being inserted into meshes, meanwhile, the clamping ends can be kept in the state of averagely clamping the mesh, and the balance degree of the clamped mesh is improved.

The present invention provides a concrete precast part placing machine, which relates to the technical field of concrete pouring equipment, and mainly solves the technical problem that the concrete production process in the prior art has a low degree of automation and requires the collaborative work of multiple people. The concrete precast part placing machine includes a mold pushing device, a material unloading device, a vibration device and a loading device. Among them, the material unloading device is located on the mold pushing device, and the mold pushing device can push the mold to the bottom of the material unloading device. The mold pushing device is connected to the vibration device so that the mold can be transported to the vibration device after filling. The vibration device is connected to the loading device, and the loading device transfers and / or loads the mold on the vibration device. The present invention can effectively improve the degree of automation of the concrete precast part production process, and avoid different product quality due to different operating proficiency and / or operating accuracy of operators. On the other hand, the number of operators can be reduced from 6 to 7 to 1 to 2, thereby reducing personnel costs.

The invention relates to the technical field of concrete performance detection, in particular to a concrete test block mold, a demolding device and a demolding production line, the concrete test block mold comprises a diaphragm capsule, a needle hole is formed in the bottom wall of the diaphragm capsule, and the needle hole penetrates through the bottom wall of the diaphragm capsule. The demolding device comprises a base, a positioning block matched with the positioning groove and a positioning seam matched with the positioning edge are arranged at the top of the base, an ejector pin is arranged in the center of the top of the positioning block, a plurality of vent holes are formed in the top of the positioning block around the ejector pin, and an air compressor connected with the vent holes is arranged in the base. The demolding production line comprises a control center, a transfer robot, a demolding device, a standing frame, a mold conveying belt and a coding workstation. The demolding device has the effect of improving the demolding quality of the test block.

The invention provides a prefabricated box girder production line, and belongs to the technical field of prefabricated box girder production. Comprising a steel bar machining area, a mold maintenance area, a concrete pouring area, a steam curing area, a natural curing area, a tensioning area and a beam storage area which are sequentially arranged. The reinforcement processing area is used for processing reinforcement frameworks; the mold maintenance area is used for adjusting the bottom mold conveying direction and storing and cleaning an inner mold. The concrete pouring area is used for pouring box girders; the steam curing area is used for performing steam curing on the box girder; the natural curing area is used for naturally curing the box girder; the tensioning area is used for installing and tensioning prestressed reinforcements of the box girder; the girder storage area is used for storing the machined box girders; foundation reinforcing structures are arranged at the bottoms of the mounting positions of at least part of production equipment in the production line area; by reasonably arranging all functional areas, the production efficiency is improved, meanwhile, dependence on foundation treatment is reduced, the early-stage cost is reduced, the inner mold storage area and the bottom mold rotation area are combined, and the site space utilization rate is increased.

A turning device for fully automated turning in of a first double-walled part at least in some portions into a second double-walled part. The turning device includes: a turning frame, wherein the first double-walled part can be arranged at least in some portions within the turning frame, a drive unit for the automated rotation of the turning frame in a space, a fixing element arranged on the turning frame, by which a first double-walled part arranged at least in some portions within the turning frame can be fixed relative to the turning frame, and a controlling and / or regulating device for controlling the drive unit. The fixing element is displaceably and / or pivotably attached to the turning frame, and an actuating device is provided, by which the fixing element is displaceable and / or pivotable in an automated manner relative to the turning frame.

The invention discloses geopolymer concrete based on waste concrete micro powder and a preparation device and method, and belongs to the technical field of building materials, the geopolymer concrete comprises a crushing system, a grinding device, a stirring device and a shaping device; the smashing system is used for smashing waste concrete to form waste concrete fragments and conveying the waste concrete fragments into the grinding device, and the grinding device is used for grinding the waste concrete fragments to form waste concrete micro powder. According to the invention, the waste concrete micro powder is used as a mixed material or admixture for replacing cement and reacts with water to generate hydrated calcium silicate gel and calcium hydroxide; the hydrated calcium silicate gel can bond the aggregate to form a compact structure with certain mechanical strength, and the calcium hydroxide can react with amorphous SiO2 and Al2O3 in the waste concrete micro powder to generate hydrated calcium silicate, hydrated calcium aluminate or hydrated calcium aluminosilicate; a series of problems caused by nowhere to stack a large amount of waste concrete are effectively solved.