224results about "Moulding surfaces" patented technology

The invention comprises a product. The product comprises a foam insulating panel having a first primary surface and an opposite second primary surface. A removable concrete form is spaced from the foam insulating panel and a concrete receiving space is defined between the second primary surface of the foam insulating panel and the removable concrete form. A method of using a hybrid insulated concrete form is also disclosed.

A precast concrete wall panel molding system for fabricating a wall shell and a plurality of ribs and beams. A precast concrete wall panel molding system with facilities for incorporating door and window frames. A ductile panel end connector for attaching panels one to another whether in parallel or angled as in inside or outside corners. A ductile panel end connector for attaching panels to columns. A wall anchor/shear plate with post-tensioning brace plate. A hybrid precast/cast-in-place special moment resisting shear wall/special moment resisting frame reinforced concrete building system for regions of potential seismic activity. A prescriptive method building system for composite structural building assemblies with conventional wood and light-gauge steel framing, structural steel, and other building code approved and tested building systems, building components, building panel systems, building roofing systems, modular and manufactured buildings, and building electrical, mechanical, and plumbing systems. A precast concrete wall panel system conforming to industry practices and standards as published by the Precast/Prestressed Concrete Institute, (PCI) in it's “PCI Design Handbook” (fifth edition, 1999), the American Concrete Institute “Building Code Requirements for Structural Concrete” (ACI 318-05), The “International Building Code 2006” and the “Uniform Building Code”.

Formwork system for the process of casting prefabricated wall and slab panels that is flexible in width and height is provided. This formwork system includes two types of retractable bracing structures that are located on the sides and ends of mould structure. The height and width of panels can be varied by moving the linear retractable bracing structure, while the lever retractable bracing structure holds the side form firmly by clamping down the side form to the platform of the support structure. The thickness of the panel to be cast can be varied by using different modules of side form that are designed to produce a series of modules of various heights. Various patterns on the wall can be designed by incorporating specially designed channels in the mould.

The invention discloses a method and device for manufacturing a dovetail groove in the back side of a ceramic tile. The device comprises a wedge lifting cover (b) and is characterized in that inward stretching lifting arms are arranged on the left side edge and right side edge of the wedge lifting cover respectively, an inner cavity is divided into a left cavity part and a right cavity part by a dovetail combined insert, a wedge body side frame and a half-dovetail component are arranged in each cavity part, and each half-dovetail component can make contact with the dovetail combined insert; an upper ejector plate on each wedge body side frame can move downwards in the corresponding cavity part onto the corresponding lifting arm and be limited by the lifting arm, and a reset spring is arranged between a spring slot formed in the wedge body side frame in each cavity part and a reset spring slot formed in the adjacent half-dovetail component; an insert body of the dovetail combined insert can be combined with two half dovetails located at the two sides of the dovetail combined insert respectively to form a complete dovetail part, and the complete dovetail part is inserted into ceramic tile powder to enable a dovetail groove to be formed in the back side of the ceramic tile; when the dovetail combined insert is pulled upwards in place, the dovetail part which can be pulled out of the dovetail groove and is free of the insert body is formed with width reduced. The method and device have the characteristics that the manufacturing method and device are simple, and operation is convenient.

The invention discloses a die for producing ceramsite foamed precast concrete. The die comprises a top cover, a side template and a base plate which are arranged in the vertical direction in sequence, wherein the side template surrounds the top cover and the base plate and is connected with the top cover and the base plate, the top cover is provided with an overflow hole, and a residual grout pipe is connected to the upper side of the overflow hole; the inner diameter of the overflow hole is 3-5 cm, and the height of the overflow hole is 10-15 cm; a screen net is arranged at the position where the overflow hole is connected with the residual grout pipe, and the aperture of the screen net is smaller than the grain size of ceramsite; a grouting hole is formed in the base plate. The invention further provides a process for producing ceramsite foamed precast concrete. By the adoption of the die and process, a traditional method that mixing is conducted first and then grouting is conducted is replaced, grouting and mixing are conducted at the same time, ceramsite floating is prevented through pre-compacting and the blocking action of the top cover, so that ceramsite is distributed uniformly, ceramsite mixing amount is the largest, the heat insulation property and sound insulation property of the ceramsite foamed precast concrete are improved, and the overall quality of products is improved.

A formwork for precast concrete panel comprises of a quadrangle panel with a base and four side panels. The formwork (10) comprises of a base (14), which is provided with an island region (20) and/or a mound region (22), a pair of parallel fixed spaced apart side panels (16) and a pair of parallel moveable side panels (18). The island region (20) and/or mound region (22) is positioned between the parallel moveable paced apart side panels (18) and wherein said parallel moveable spaced apart side panel (18) are removeably secured to the parallel fixed spaced apart side panels (16) in a tight manner in any desired distance from the center of the island (20) and/or mound (22) region.

The invention relates to the field of assembled concrete buildings, in particular to a through bar type concrete composite floor slab structure and a manufacturing and assembling method thereof. The structure comprises prefabricated base plates, longitudinal stressed steel bars, reserved transverse stressed steel bar grooves, hogging moment steel bars, transverse stressed steel bars and the like. Due to the fact that transverse stressed steel bars of the unique prefabricated base plates are continuous, additional connecting measures and additional connecting steel bars are not needed for connection of the prefabricated base plates, construction is simplified, materials are saved, and the integrity of composite slabs is greatly strengthened. The reserved transverse stressed steel bar grooves of the through bar type concrete composite floor slabs reinforce shear resisting and tensile resisting connection of a cast-in-place concrete layer and the prefabricated base plates, and the overall performance of the composite slabs is greatly improved. The transverse stressed steel bars of the through bar type concrete composite floor slab structure are placed in the reserved transverse stressed steel bar grooves formed in the prefabricated base plates, maximum approximating to the prefabricated base plates is achieved, and the anti-bending stress performance of the prefabricated base plates can be same as the performance of cast-in-place slabs.

The invention discloses a concrete prefabricated floor slab pouring forming device. The concrete prefabricated floor slab pouring forming device comprises a base, fixed side formworks, split side formworks and an adjusting sliding seat, wherein a square bottom plate of a square structure is arranged on the base; the fixed side formworks are rotatably connected to the four edges of the square bottom plate through connecting rotating shafts; the split side formworks are connected into a whole through folding rotating shafts and vertically arranged on the upper surface of the square bottom plate;and a connecting sleeve is arranged in the middle of the adjusting sliding seat, and a hexagonal fixing rod is arranged in the middle of the connecting sleeve in a nested mode. According to the concrete prefabricated floor slab pouring forming device, a prefabricated floor slab pouring formwork is formed through the square bottom plate and the fixed side formworks, the split side formworks arranged on the inner sides of the fixed side formworks are connected into a whole through the folding rotating shafts, the multiple split side formworks are spliced through folding and fixed through the hexagonal fixing rod, thus the sizes of the two side edges of the formwork can be adjusted, the pouring size of a prefabricated floor slab is adjusted accordingly, adjusting is convenient and rapid, andthe applicability and using flexibility of the device are improved advantageously.

The invention relates to a forming die for manufacturing reinforced concrete prefabricated columns of a fabricated building. The forming die comprises a workbench and a die arranged above the workbench, wherein the die comprises a bottom plate fixed on the workbench, side plates hinged to the two sides of the bottom plate and end plates slidably arranged at the two ends of the bottom plate, the workbench is fixedly connected with the bottom plate through supporting plates, and supporting devices are arranged at the positions, on the two sides of the bottom plate, of the top of the workbench. According to the forming die, oil cylinders and L-shaped plates which are arranged in a crossed manner are used to jointly support the side plates and the bottom plate, the supporting strength is increased, and meanwhile, the L-shaped plates can be synchronously separated under the driving of electric push rods during demoulding; and first rectangular plates and second rectangular plates are arranged on a group of end plates, the number of groups of second rectangular plates between two adjacent groups of first rectangular plates is increased or reduced to change the spacing between the first rectangular plates, and waist-shaped holes are formed at different heights of the first rectangular plates, so as to adapt to steel bar frameworks in different arrangement manners to pass through.

The invention belongs to the technical field of building products and particularly relates to a prefabricated wall plate with a heat preservation interlayer and a manufacturing method thereof. The prefabricated wall plate comprises an inner wall plate body, an outer wall plate body and a heat preservation plate body and further comprises press buckles used for positioning the outer wall plate body, the heat preservation plate body and the inner wall plate body. The inner wall plate body, the heat preservation plate body and the outer wall plate body which constitute the wall plate are connected tightly and firmly, the integration degree is high, the splicing requirement of a modularized house can be met directly, accordingly heat preservation construction operation of the interlayer does not need to be conducted on site, and the efficiency of the construction progress can be guaranteed while the labor cost is reduced and the engineering quality is guaranteed. The invention further provides a manufacturing method of the prefabricated wall plate. According to the manufacturing method of the prefabricated wall plate, the prefabricated wall plate can be manufactured rapidly and conveniently. The manufacturing method at least comprises the step that cement mortar is poured into the inner wall plate body, the heat preservation plate body is laid, the press buckles pierce the heat preservation plate body, and cement mortar is poured into the outer wall plate body.

The invention discloses a processing die table of prefabricated panels, and relates to the field of building operations. The processing die table comprises a base and an operation table which is horizontally arranged on the upper end surface of the base, wherein a plurality of side die strips are arranged on the operation table, and are connected in a head-and-tail manner to form a closed loop; aplurality of mounting grooves which are uniformly distributed in the length direction of the side die strips are formed in the upper end surfaces of the side die strips; each groove is formed in the length direction of the corresponding side die strip is formed in the outer wall of the corresponding side die strip in a penetrating manner; and compacting parts for fixing the side die strips are arranged on the periphery of the operation table, and are compacted to the bottom walls of compacting grooves. The processing die table disclosed by the invention has the following advantages and effectsthat a flat die table is arranged for processing the prefabricated panels, so that the prefabricated panels can be processed and formed in one time, and later-stage polishing is not needed, labor intensity and processing cycle of workers are reduced, and the effect of being convenient for processing the prefabricated panels is achieved; and besides, the side die strips which are convenient to replace and adjust are arranged, so that the die table can perform processing and preparing on the prefabricated panels of different specifications and sizes, and the applicability of the whole die tableis improved.

The invention discloses a road construction barrier prefabricating device. The device comprises a mounting base, wherein servo motors are fixed to the two sides of the upper end face of the mounting base, the ends of output shafts of the two servo motors are in key connection with first chain wheels, the two sides of each first chain wheel are in transmission connection with second chain wheels through chains, lead screws are fixed to the two second chain wheels, the sides, close to the second chain wheels, of the lead screws are rotationally connected with supporting plates through bearings,the supporting plates are fixed to the mounting base, the ends, away from the supporting plates, of the lead screws are rotationally connected with supporting blocks through bearings, the supporting blocks are fixed to the middles of the two sides of the upper end face of the mounting base, the two lead screws are in threaded transmission connection with moving blocks, a first forming die and a second forming die are symmetrically fixed between the two sets of moving blocks, a vibration motor is fixed to the middle of the lower end face of the mounting base through bolts, vibration mechanismsare arranged at the four corners of the lower end face of the mounting base, automatic die assembling and disassembling are achieved, the vibrating function is achieved, and the product quality is improved.

The invention provides a prefabrication assembly type box culvert prefabrication turnover device and an installation method. The prefabrication assembly type box culvert prefabrication turnover devicecomprises a movable platform, a turnover platform and blocking stand columns, wherein the turnover platform is in an L shape, the turning part of the turnover platform is connected with the movable platform through a rotating seat, the turnover platform is turned over by taking a rotating shaft of the rotating seat as the circle center, the blocking stand columns are fixedly arranged on the bottom surface of at least one side of the movable platform, the blocking stand columns are in contact with the turnover platform through arranged blocking wheels, and when the movable platform moves, theblocking wheels drive the turnover platform to be turned over. In the use process, prefabrication box culvert components are manufactured; the turnover platform is erected; a form is erected on the turnover platform; a reinforcement cage is hoisted in the form; concrete is poured; mold dismounting and maintenance are carried out; and the components are turned over by 90 degrees, and therefore, theusing frequency of hoisting equipment is reduced in the prefabrication installation process of box culverts, the damage probability of the box culverts is reduced, moreover, a pit structure is not required to be arranged on site, and then the movement along with the engineering construction position is also facilitated.

The invention relates to a universal mold for forming of a house prefabricated part laminated slab, and relates to the technical field of house prefabricated part production. An outer frame for forming a prefabricated laminated slab bottom plate is defined by four forming side mold assemblies, a bottom mold and a side mold are arranged in each forming side mold assembly, the bottom molds are fixedto a mold table, the side molds are fixed to the bottom molds, overhead gaskets and sealing strips are arranged between the bottom molds and the side molds, and criss-cross rebar ends in the prefabricated laminated slab bottom plate stretch out of the gaps between the bottom molds and the side molds. Each bottom plate is further provided with two or more fixing pressing plates, one ends of the fixing pressing plates are pressed on the upper surfaces of the bottom molds, and the other ends of the fixing pressing plates are fixed to the mold table through bolts. One forming side mold assembly can adapt to the rebar interval change in different prefabricated laminated slab bottom plates, the universality is good, the specifications of the forming side mold assemblies needed for production are greatly reduced, production and use are convenient, the assembly efficiency of the molds is high, demolding is convenient, and the large-scale production advantages of factories can be fully exerted.

The invention discloses a concrete civil air defense door and a production process thereof, and belongs to the technical field of civil air defense door processing. The concrete civil air defense doorcomprises a door frame, wherein two steel bar frameworks with the same structure are sequentially placed in the door frame, and a sandwich mechanism used for separating the two steel bar frameworks is placed on the portion, positioned between the two steel bar frameworks, of the door frame; the sandwich mechanism comprises two steel plates, a cavity is formed between the two steel plates, a discharging cylinder is jointly and fixedly arranged in the middle of the two steel plates, and the discharging cylinder is used for communicating the two steel bar frameworks; and guide plates are symmetrically and fixedly arranged on the two sides of the door frame, and a guide groove is formed in the position, corresponding to the corresponding guide plate, of each steel plate. The civil air defensedoor has the advantages that the weight of the civil air defense door is reduced, and the opening and closing of the civil air defense door are facilitated.

The invention discloses a high-precision multifunctional concrete bridge deck slab prefabricated mold and a working method thereof. The prefabricated mold comprises a base, a bottom mold positioned onthe upper layer of the base, and side molds which are located on the upper layer of the bottom mold and are distributed along the periphery of the edge of the bottom mold, wherein a plurality of first positioning holes used for positioning reinforcing steel bars are formed in each side mold, a plurality of demolding devices distributed at intervals are arranged on the outer sides of the side molds, a plurality of core molds used for positioning the reinforcing steel bars are arranged on the inner sides of the side molds, and a plurality of lifting devices which penetrate through the base andare used for lifting the bottom mold are arranged at the lower layer of the base. By means of the prefabricated mold, the overall prefabricated precision of a concrete prefabricated bridge deck slab can be guaranteed.

The invention provides a bench formwork standard section, a long formwork bench and a laminated slab preparation method, and relates to the technical field of fabricated buildings. The bench formworkstandard section comprises a working plate, a plurality of mounting frames and heating mechanisms. A temperature and humidity sensor and a plurality of spray heads are arranged on each mounting frame,and the mounting frames are rotatably mounted on the working plate, so that the temperature and humidity sensors and the spray heads can rotate to the upper side of the working surface of a worktable. The heating mechanisms are distributed at the bottom of the working plate. According to the bench formwork standard section, the temperature and the humidity of a concrete curing environment are directly measured through the temperature and humidity sensors, the temperature and humidity control precision is improved, the humidity and the temperature of the concrete curing environment are directly controlled through water vapor spraying by the multiple spray heads and heating structures, the humidity is always ensured to be 90% or higher, the curing quality is improved, and the curing environment is controlled accurately. According to the laminated slab preparation method, a sectioned curing method is used, the production process can be shortened, and the production benefit can be greatlyimproved.