82results about "Mould pallets" patented technology

The invention discloses a construction method of a synchronous pouring type precast concrete split cover beam, a component mold of the synchronous pouring type precast concrete split cover beam and a component manufacturing method.The combined component mold is composed of a bottom mold, a side mold, a first side mold and a second side mold, and a baffle is arranged in a pouring area of the component mold; a plurality of components can be synchronously manufactured at a time through the mold, then the multiple components are spliced on site and cast in situ to form the component-piece-type prefabricated concrete cover beam, manufacturing of the large-cantilever prefabricated cover beam under the special working conditions that the construction site is narrow, the distance between supporting stand columns is small, cantilevers on the two sides are large, and the stress requirement is high can be achieved, and due to the fact that the prefabricated concrete cover beam is heavy, manufacturing cost is low. The prefabricated concrete cover beam is simple in structure and high in transportation difficulty, the transportation and hoisting difficulty is reduced by manufacturing the multiple components in a split mode, the manufacturing difficulty of the prefabricated concrete cover beam is reduced, meanwhile, manufacturing of the prefabricated concrete cover beam with the larger size and weight can be achieved, and the requirements for the prefabricated concrete cover beam in different projects are effectively met.

The invention discloses a detachable assembly type building mold, relates to the technical field of building molds, and solves the technical problems that in the concrete forming process, the side pressure on a fixed baffle in the mold can be increased, and formwork deformation and slurry leakage are likely to be caused. Comprising two fixed templates which are installed on a bottom template in a sliding mode, and a base is arranged at the bottom of the bottom template; the supporting and positioning mechanisms are mounted on the base and support the base, and the two supporting and positioning mechanisms play a role in limiting and supporting the two fixed templates; the supporting and positioning mechanism comprises a bottom rail mounted on the upper surface of the base; according to the invention, the two fixed templates can be supported, the pressure of internal concrete on the fixed templates is shared, the deformation amount is reduced, and inward thrust is applied to the fixed templates in the mounting and supporting process, so that the fastening bolts on the side surfaces can be conveniently aligned and connected to adapt to the fixed templates with different heights; and the machining safety and stability of the mold on the concrete prefabricated part are improved.

The present disclosure provides a production method and a mold for a ribbed prestressed composite slab of self-compacting concrete, including a long-line table bottom mold, side molds, end molds and a top mold. Side molds are respectively connected to the long ends of the long-line table bottom mold. The top mold is arranged at the upper end of the long-line table bottom mold, and both ends of the top mold are respectively connected to the corresponding side molds. End molds are respectively connected to the short ends of the long-line table bottom mold, and the shape of the upper edge of the end mold matches the shape of the side edge of the top mold. Both ends of the end mold are respectively connected to the corresponding side molds to form a cavity with an accommodating space. A number of holes through which prestressed steel wires can pass are provided on the end mold, and leak-proof plugs are detachably connected to the holes. The structure of the present disclosure is simple, which can make the construction of prestressed concrete composite slabs faster and more convenient, and at the same time can reduce the labor intensity of workers and improve production efficiency.

The invention discloses a reinforced concrete prefabricated column, a prefabricated column and cast-in-place beam connecting node and a construction method, one end of a prefabricated column main body is provided with a longitudinal exposed reinforcing steel bar (with a threaded structure), the other end of the prefabricated column main body is provided with a supporting sleeve and a reinforcing steel bar connector, and a beam plate structure is provided with a positioning sleeve; the supporting sleeve is matched with the positioning sleeve (having the double functions of precise positioning and temporary supporting), the steel bar connector is matched with the longitudinally exposed steel bar with the threaded structure, and the integrated solution of supporting, positioning and connecting is achieved.

The invention relates to the field of elevator shaft and sump construction technologies, in particular to an elevator shaft and sump prefabricating mold and prefabricating method.The prefabricating method comprises the steps that S1, a prefabricating template, a crane or a tower crane and auxiliary materials are prepared according to a construction drawing; s2, prefabricated formworks are assembled according to a construction drawing; s3, the supporting frame body is erected according to the size and specification requirements of the prefabricated formwork; s4, steel bars and hanging rings are bound according to construction drawing requirements; s5, concrete is poured to form a prefabricated part; and S6, the prefabricated part and the prefabricated formwork are hoisted into the foundation pit through a tower crane or a crane. According to the elevator shaft and sump prefabricating mold and method, the mold and method are simple and easy to implement, convenient to operate and low in cost, the quality of an elevator shaft and a sump can be guaranteed to a great extent, the construction efficiency is greatly improved, the construction period is greatly shortened, and meanwhile labor can be saved.

The invention discloses a casting device and a casting method for preventing the stratification phenomenon of concrete specimen casting. The casting device comprises a bracket, a sample chamber is installed inside the bracket, a vibration motor and a rotating motor are installed on the bracket, the sample chamber is connected to the power output shaft of the vibration motor through a first connecting rod, and the sample chamber is installed on the power output shaft of the rotating motor through a second connecting rod; the sample chamber comprises a sample box and a top cover, an air cavity is opened in the top cover, a plurality of air holes connected to the air cavity are opened at the lower end of the top cover, a plurality of first telescopic devices and a second telescopic device are installed on two opposite side walls in the sample box, and the telescopic ends of the telescopic devices are fixedly connected to the first movable plate and the second movable plate respectively. By changing the casting device and casting process of conventional concrete specimens, the casted concrete specimens well overcome the problem of coarse and fine aggregates and cement stratification, and more truly reflect the real engineering characteristics of concrete.

The invention relates to the technical field of building formworks, and discloses a concrete component pouring mold which comprises two pouring side plates used for bearing poured concrete after being enclosed, a plurality of connecting assemblies are installed at the joint of the two pouring side plates, and supporting assemblies used for keeping the pouring side plates stable in the pouring process are arranged outside the pouring side plates. The surface of the supporting assembly is further provided with a vibration assembly used for conducting vibration defoaming on poured concrete and a driving assembly used for driving the vibration assembly to longitudinally ascend and descend. According to the supporting assembly, the pouring side plate is enclosed through the four supporting rods, the supporting rods are matched with the supporting plate to form a rigid frame structure, meanwhile, the pouring side plate is restrained in an auxiliary mode through clamping connection of a lifting groove and a lifting disc, and the problems of top shaking and deformation caused by concrete side pressure during high-size pouring are effectively counteracted; it is ensured that the section size and perpendicularity of the component meet design requirements, and the defects that the top of a traditional die expands outwards and the size is out of tolerance are overcome.

The invention relates to the technical field of precast beam production, and discloses a precast beam pedestal template device with a bottom die adjusting mechanism, side frames are oppositely distributed, a die holder is arranged between the side frames, and a die cavity and a die bottom plate are arranged in the die holder. And a plurality of electric cylinder seats are arranged at the lower corners of the die bottom plate and are fixed at the bottom of the die holder, and lifting electric cylinders are mounted on the electric cylinder seats. The output end of the lifting electric cylinder is connected with a lifting rod which is connected with the mold bottom plate. Through the structural design that the electric cylinder drives the lifting rod and the upper push rod, the length of the bottom die and the transverse and longitudinal slope values of the wedge block are accurately adjusted, and therefore the size precision and the structural performance of the precast beam are ensured. The device is high in automation degree, manual operation is reduced, production efficiency is improved, and meanwhile labor intensity is reduced. The device is simple in structure, convenient to operate and high in response speed, production requirements of different precast beams can be rapidly met, and the requirements of the modern building industry for high efficiency and high precision of precast beam production are met.

The invention relates to a UHPC prefabricated slab, a UHPC prefabricated bridge deck slab and a prefabricated slab mold, and the UHPC prefabricated slab comprises a prefabricated slab body which comprises ultra-high performance concrete and a reinforcing mesh pre-buried in the ultra-high performance concrete; the multiple threaded rods are located on the side wall of the ultra-high performance concrete, and all the threaded rods are partially embedded in the ultra-high performance concrete; a plurality of interface reinforcing steel bars are arranged, and the plurality of interface reinforcing steel bars are partially pre-buried on the side wall of the pre-ultra-high performance concrete in the horizontal direction. The threaded rods and the interface reinforcing steel bars located on the side wall of the prefabricated slab body can increase the contact area of an interface to the maximum extent, the bonding tensile strength and the crack resistance of the interface are improved, and the upper limit of interface cracking is improved. The threaded rod and steel fibers in UHPC have the same effect, meanwhile, the interface scabbling technology is not affected, and the interface strength is improved.

The invention discloses a mold, a production line and a production method for producing an embedded mass concrete surface permanent insulation board. The mold comprises a mold main body, and the mold main body is sequentially provided with a base, a bottom mold, a surrounding mold and a top mold from bottom to top; comprising a circulating conveying system for circulating conveying, a plurality of mold bodies are arranged on the circulating conveying system at equal intervals, all the mold bodies and the circulating conveying system form detachable limiting fixation, a multi-robot cooperation work station is arranged on one side of the circulating conveying system, and the opening directions of top molds all face one side of the multi-robot cooperation work station; the multi-robot cooperative workstation comprises a drawing robot, a spraying robot, a broken bridge supporting structure mounting robot, an outer protective layer arranging robot, an inner protective layer arranging robot and a pouring robot which are sequentially arranged at equal intervals in the conveying direction of the circulating conveying system; and the recognition camera, the radar sensor and the external control system are linked with the corresponding mold body, automatic production is achieved, and the production efficiency is greatly improved.

The present invention relates to a casting device and method for a sleeper type support block, the device comprises a first mold frame, a second mold frame and a rectangular casting template, the first mold frame and the second mold frame are both provided with a slide groove, the first mold frame and the second mold frame are fixedly connected by a fixed connection piece slidably mounted on the slide groove, and a rectangular frame is formed, the casting template is arranged inside the rectangular frame to form a casting space, the casting template is fixedly connected to the first mold frame or the second mold frame by a fixed connection piece slidably mounted on the slide groove, the edge of the casting template is provided with a frame perpendicular to the casting template, all sides of the casting space have the same height, and each side is provided with one or more layers of casting templates. Compared with the prior art, the present invention has the advantages of simple operation, good flexibility and reusability.

The present invention provides a prefabricated and assembled retaining wall mold and a using method thereof, including: The outer mold includes an outer arc-shaped steel plate and an outer stepped plate. The side of the outer arc-shaped steel plate and the side of the outer stepped plate are connected by a first connecting plate. An outer support part is fixedly connected to the outer wall of the outer arc-shaped steel plate, and a hollowing mechanism is fixedly connected to the inner wall of the outer mold; The inner mold includes an inner arc-shaped steel plate and an inner stepped plate. The side wall of the inner arc-shaped steel plate and the side of the inner stepped plate are connected by a second connecting plate. Side templates are fixedly connected to both sides of the inner mold. The side wall of one side template abuts against the inner wall of the outer arc-shaped steel plate, and the other side template abuts against the inner wall of the outer stepped plate. A support mechanism is fixedly connected to the bottom of the side of the inner mold away from the outer mold, and a bottom mold part is arranged at the bottom of the side wall of the inner mold facing the outer mold. The present invention achieves: By using a prefabricated mold to manufacture the retaining wall, the structural strength of the retaining wall is ensured, the weight of the retaining wall is reduced, the produced retaining wall is a split structure, which is convenient to transport the prefabricated retaining wall to the construction site, and the labor intensity of workers is reduced.

The invention discloses a concrete guardrail prefabrication production line and a production process. The concrete guardrail prefabrication production line comprises a pouring and vibrating system, an integrated mold conveying system, an RGV intelligent warehouse-in and warehouse-out system, a steam curing system, a mold opening and closing system, an automatic hoisting and overturning system, an oil coating system and a centralized control system. The pouring and vibrating system is used for distributing materials and vibrating and compacting concrete materials in the mold box; the RGV intelligent warehouse-in and warehouse-out system is used for warehouse-in and warehouse-out operation of the mold box in the steam curing system; the steam curing system is used for performing steam curing treatment on concrete in the mold box; the mold opening and closing system comprises a mold opening mechanism and a mold closing mechanism, end plates are hinged to the two ends of the mold box, the end plates on the mold box are automatically opened and closed through the mold opening mechanism and the mold closing mechanism, and the mold opening and closing system is matched with the automatic hoisting and overturning system to achieve automatic rapid demolding. According to the invention, automation and intelligence of concrete guardrail preparation are realized; and the opening and closing type mold box is matched with the mold opening and closing system, simple and efficient operation in the demolding process is achieved, and the production efficiency is effectively improved.

The invention provides a concrete slab prefabricating module for a shield segment, which comprises a pair of lifting seats for lifting, an annular inner template, an annular outer template cover, a pair of annular side templates and a plurality of pairs of end templates, the annular inner mold plate is rotationally installed between the pair of lifting seats, the annular outer mold cover is fixedly installed between the pair of lifting seats and arranged on the periphery of the annular inner mold plate in a sleeving mode, the pair of annular side mold plates are arranged in the annular outer mold cover and located on the front side and the rear side of the annular inner mold plate respectively, and the pair of annular side mold plates can move in the opposite directions. The multiple pairs of end templates are rotationally connected to the circumferential side wall of the annular inner template. A plurality of duct piece mold cavities distributed in the circumferential direction are defined by the annular inner mold plate, the annular outer mold cover, the pair of annular side mold plates and the multiple pairs of end mold plates, and movable cavities are formed between the multiple pairs of end mold plates. The die set adopts the form of an annular die set, a plurality of pipe piece die cavities are arranged in the die set, one die set can complete manufacturing of a plurality of pipe pieces, and the efficiency of die assembling and die disassembling is greatly improved.

The invention belongs to the technical field of concrete molds, and particularly relates to a concrete mold which comprises a bottom mold plate, a first outer mold plate and a second outer mold plate are arranged on the upper surface of the bottom mold plate, a fixed cross beam is connected to the top of the first outer mold plate and the top of the second outer mold plate, and an inner mold plate is connected to the bottom side of the fixed cross beam. A first mold hole is formed in the surface of the first outer mold plate, a second mold hole is formed in the surface of the inner mold plate, a transverse plate is connected to the inner wall of the inner mold plate, and a first threaded pipe penetrates through the interior of the transverse plate. According to the device, an embedded mold cylinder is inserted into a first mold hole and a second mold hole, when the embedded mold cylinder drives a threaded rod to move to a pipe opening of a first threaded pipe through a longitudinal plate and a first bearing, the threaded rod can rotate and move to the interior of the first threaded pipe, in this way, the position of the embedded mold cylinder can be fixed, and therefore reserved holes can be formed; the embedded mold cylinder is low in production process requirement and can adapt to pipe wall thicknesses of different concrete prefabricated pipelines.

The present invention relates to a positioning structure for a water tank model and a toilet mold, including a ring plate model and a water tank movable block model. A placement groove is provided at the rear of the ring plate model. The water tank movable block model includes a front water tank movable block installed in the middle of the placement groove, a left water tank movable block and a right water tank movable block installed on both sides of the placement groove. The rear water tank movable block is embedded in the front water tank movable block. A first protrusion is provided in the middle of the placement groove, and second protrusions with a triangular longitudinal section are provided between the left side surface and the right side surface of the placement groove and the bottom surface of the placement groove. A first positioning groove is provided on the bottom surface of the front movable block positioning part, and second positioning grooves are provided on the bottom surfaces of the left water tank movable block and the right water tank movable block. The structure of the present invention is simple, which can prevent the displacement of the water tank movable block model. At the same time, during the process of turning the wet blank, the water tank movable block model is not easily broken, the model has a long service life, can save production resources, improve production efficiency, and stabilize production capacity.

The invention belongs to the technical field of highway bridge construction, and discloses a large-volume concrete prefabricated abutment preformed hole template device, which is characterized in that the plate surfaces of a large circular template and a small circular template are provided with reinforcing steel bar holes through which reinforcing steel bars penetrate, and the adjacent surfaces of the large circular template and the small circular template are adjacent inclined surfaces; the large circular templates and the small circular templates are arranged at intervals and spliced through connecting pieces to form a cylindrical template, the #-shaped support is located in the cylindrical template, and the bottom template is detachably and coaxially fixed to the bottom of the cylindrical template; the large circular templates and the small circular templates are respectively connected with the #-shaped bracket in a sliding manner through sliding pieces, and the two large circular templates and the two small circular templates are driven by corresponding hydraulic oil cylinders to be close to or far away from each other under the guiding action of the sliding pieces; the two ends of the inner wall of the small circular template are fixed to the #-shaped support through at least one detachable supporting rod. The small round die plate can be opened through the hydraulic oil cylinder, and time and labor are saved.

The present invention relates to the technical field of prefabricated molds for arched roof panels, specifically to a prefabricated mold for prestressed superimposed prefabricated arched roof panels and a production method, comprising a top mold, a bottom mold, an axial side mold, and a radial side mold, the four molds are molded together to form an arched mold cavity; a fixed end and a tensioning end located outside the arched film cavity; a unified fixing component and a control component located between the tensioning end and the arched mold cavity; wherein the top mold controls the unified fixing component to uniformly fix the tensioned prestressed tendons during the mold closing process through the control component. The prefabricated mold for prestressed superimposed prefabricated arched roof panels effectively integrates the tensioning technology into the mold, which is conducive to improving the integration degree and production efficiency of the concrete prefabricated parts production and processing process on the one hand, facilitating automated production and processing, and on the other hand, is conducive to improving the quality of the finished prefabricated parts.

This invention discloses a tie-rod-free hydraulic T-beam formwork for highway precast beams, comprising two sets of outer molds and a base. The two sets of outer molds are arranged opposite each other, and the base is positioned between the two outer molds. Each set of outer molds includes multiple parallel outer frames and side steel plates. The outer sides of the multiple outer frames of each set of outer molds are connected by a through beam. Side steel plates are respectively provided on the opposite sides and top surfaces of the two sets of outer molds, and a bottom steel plate is provided on the top of the base. Each outer frame is fixed on a slider, which is mounted on a sliding block perpendicular to the through beam. Each slider is connected to its corresponding sliding block via a hydraulic cylinder I. One end of a hydraulic cylinder II is hinged to the through beam at the position of each transverse diaphragm of the T-beam, and the other end of the hydraulic cylinder II passes through the side steel plate and contacts the concrete. This invention has a simple structure, is easy to operate, can reduce production costs, improve production efficiency, has good safety, and can ensure the overall appearance quality of the precast beam.

The invention relates to a multi-layer servo large powder forming machine which comprises a machine frame, a main oil cylinder, a top cylinder and a die frame, the die frame comprises an upper punch installation part, a lower punch installation part, a female die plate, a core rod connecting rod, an upper die plate, a lower die plate and a servo oil cylinder, and the upper punch installation part comprises a first upper die plate, a second upper die plate and a third upper die plate; the lower punch mounting part comprises a fixed template, a first lower template, a second lower template, a third lower template, a first lower template, a second lower template, a third lower template and a fixed template, the four templates are sequentially and slidably mounted on the four lower guide columns from top to bottom, the two sides of the fixed template are fixedly mounted on the inner side of the rack, and a plurality of servo oil cylinders are mounted on the fixed template. The invention has the advantages that the high-precision servo oil cylinder is used as a driving source of the floating template, so that the requirement of equal compression ratio during forming of a multi-step product is easily met, and the defects of layering, cracks and the like caused by unequal compression ratio during forming of the product are overcome.

The invention relates to the field of shield segments, and particularly discloses a shield segment production mold which comprises a movable base, an arc-shaped lower mold base is arranged on the movable base, a lifting assembly is arranged on the movable base, a side mold assembly is arranged on the lifting assembly, and a top mold assembly is arranged on the movable base. The arc-shaped lower die base, the side die assembly and the top die assembly form a die. Before mold removal, friction force can be provided for the side face and the top face of a shield segment product, so that the shield segment product is separated from the side mold assembly and the top mold assembly, adhesion between the shield segment product and the side mold assembly and between the shield segment product and the top mold assembly during mold removal is avoided, protection of the shield segment product is facilitated, and the product quality is improved; and synchronous form removal of the side form assembly and the top form assembly can be achieved, and the purpose of rapid form removal is achieved, so that the form removal efficiency is improved, and the production efficiency of shield segment products of enterprises is improved.

The application belongs to the technical field of highway bridge construction, and discloses a large-volume concrete prefabricated pier reserved hole formwork device, wherein the board surface of a large circle formwork and a small circle formwork is provided with a steel bar hole for the steel bar to pass through, the adjacent surface of the large circle formwork and the small circle formwork is a butt bevel, the large circle formwork and the small circle formwork are arranged at intervals and are spliced through a connecting piece to form a cylindrical formwork, a cross-shaped support is located inside the cylindrical formwork, and a bottom formwork is detachably fixed to the bottom of the cylindrical formwork in the same axis. The large circle formwork and the small circle formwork are slidably connected with the cross-shaped support through sliding members, two large circle formworks and two small circle formworks are driven by corresponding hydraulic oil cylinders to move close to or away from each other under the guidance of the sliding members, and the inner wall of the small circle formwork is fixed to the cross-shaped support through at least one detachable supporting rod at both ends. The small circle formwork can be opened by the hydraulic oil cylinder, thereby saving time and effort.

The application discloses a spiral rising water line modeling concrete component template device and method, relates to the technical field of underground engineering construction, and comprises a sliding assembly, a supporting assembly and a template assembly, the supporting assembly is connected between the sliding assembly and the template assembly; the sliding assembly comprises a track, an inner sleeve pipe capable of spirally moving along the track, and a plurality of outer sleeve pipes arranged axially along the inner sleeve pipe; the supporting assembly comprises a plurality of groups of supporting rod assemblies arranged in a radial manner, the supporting rod assembly comprises a main supporting rod hinged with the inner sleeve pipe, a secondary supporting rod hinged with the outer sleeve pipe, and the secondary supporting rod is hinged with the main supporting rod; the template assembly comprises a plurality of groups of folded plate templates, the folded plate template is hinged with the main supporting rod, and the plurality of groups of folded plate templates are sequentially connected to form a closed structure. The application is suitable for the spiral rising water line modeling concrete component, can save the template, and improves the construction efficiency.

The invention relates to the field of bridge construction, in particular to a bottom formwork of a stiff framework, the stiff framework and a construction method of the stiff framework, the bottom formwork is formed by mutually connecting a plurality of prefabricated sections, connecting assemblies are arranged in the prefabricated sections, the bottom formwork of the stiff framework is connected through the connecting assemblies, the bottom formwork and the stiff framework form a whole, and the stiff framework is arranged on the stiff framework. Operators are prevented from mounting and dismounting a pouring template at the bottom of the stiff framework, so that the construction risk is avoided, and the construction efficiency is improved; the stiff framework is formed by connecting the bottom formwork and a frame body of the stiff framework, the bottom formwork and the frame body are connected to form a stiff framework body, installation of the bottom formwork on a construction site is avoided, and therefore construction efficiency is improved, and construction safety of operators is guaranteed. According to the construction method of the stiff frameworks, the arch bridge framework is formed by splicing the stiff frameworks, the building speed of the arch bridge framework can be increased, and the building efficiency of an arch bridge is improved.

The invention discloses a manufacturing device and method for a prefabricated TRC formwork of an assembly type stirrup-free TRC square column. The manufacturing device comprises a left end plate, a right end plate, an outer formwork and an inner formwork. The left end plate is provided with a pouring hole, a first inner mold mounting hole, a first main rib mounting hole and an outer mold main plate positioning bolt hole; the right end plate is provided with a second inner mold mounting hole, a second main rib mounting hole and an outer mold main plate positioning bolt hole; the outer mold is composed of two corresponding square bracket-shaped outer mold main plates, and the two edges of each outer mold main plate are connected with outer mold splicing wing plates which are outward and perpendicular to the outer mold main plate respectively. The inner die comprises an inner die main plate, an inner die angle die and a main shaft. The manufacturing method comprises the steps of adjusting the inner formwork, installing the left end plate and the right end plate, installing the main reinforcements, winding the fabric net, installing the outer formwork, pouring fine aggregate concrete and removing the formwork. The quality and the bearing performance of a formwork finished product are guaranteed, and meanwhile the construction efficiency is improved.

The present invention belongs to the technical field of precast bridge construction, and particularly relates to a forming template structure for precast beam slabs. The template structure is arranged at the upper end of an outer formwork frame body and includes: a plurality of comb-shaped templates and a plurality of fixing jigs; a single comb-shaped template includes a comb-shaped plate, a bottom plate arranged at the lower end of the comb-shaped plate and connected to the outer formwork frame body, and a positioning plate arranged at the side end of the comb-shaped plate; a single fixing jig is located between two adjacent comb-shaped templates and fixes the two comb-shaped templates simultaneously, and a single fixing jig includes a fixing plate detachably connected to the outer formwork frame body, and an upper clamping plate and a lower clamping plate which are arranged at the end of the fixing plate far away from the outer formwork frame body and are arranged in parallel with each other. On the basis of adopting a split comb-shaped template, the present invention simplifies the structure of the comb-shaped template itself and reduces its mold opening cost; at the same time, the fixing of the comb-shaped template is completed through the cooperative connection between the fixing jig and the comb-shaped template, and the installation / demolition work of the comb-shaped template can be quickly completed, having the advantage of high working efficiency.

The invention relates to the technical field of steel formworks, in particular to a fast-assembly type pile cap steel formwork. Comprising a first template; the second template is arranged on one side of the first template; the plurality of hinges are arranged, and the plurality of hinges are fixedly connected between the first template and the second template; the plurality of first connecting blocks are fixedly connected to the first template, and the second template is fixedly connected with a plurality of second fixing blocks; and the connecting assembly is arranged on one side of the first template, and the connecting assembly changes a traditional connecting mode. The first template and the second template are hinged through the hinge, so that the first template and the second template on the right side can be torn off from the side wall of the bearing platform like paper tearing, and a release agent on the rear sides of the first template and the second template is prevented from losing efficacy; and the first template and the second template are adhered to the cement paste in a large area and are difficult to demould.

The present invention relates to the field of bridge construction, and particularly relates to a composite slab mold and a method for casting a composite slab using the mold. The mold is characterized by comprising: a bottom mold; side molds, wherein the two sides of the upper surface of the bottom mold are detachably connected with the side molds respectively. The side molds are perpendicular to the bottom mold, and the side molds on both sides of the bottom mold are parallel to each other. The side molds are equidistantly provided with notches, and the notches on the opposite side molds are staggered; a simulation part, which is respectively arranged on the upper surface of the bottom mold, and the simulation part is located in the shear key groove of the composite slab. The beneficial effect of the present invention is that, since sleeves are used to simulate the positions of the shear studs, and the steel bars are adjusted to avoid the sleeves, the problem of conflict when connecting the shear studs on the composite slab and the steel beam is effectively solved, and thus the shear studs can be smoothly inserted into the shear key groove of the composite slab.

A vertical mold dismounting and mounting device and method for concrete slab mold, which is characterized in that: the left and right sides of the frame are provided with left and right slide plate assemblies; each slide plate assembly is composed of a movable jaw formed by a handle and a handle support, and the movable jaw is controlled by a push-pull oil cylinder and a push rod to clamp the vertical mold and play the role of lifting and lowering the vertical mold partition plate under the action of a jacking oil cylinder; the loosening assembly is provided with two push gears clamped on the vertical mold partition plate, and two oil cylinders are used to make low-amplitude extension and retraction to separate the partition plate from the prefabricated slab; the upper unloading positioning mechanism makes the three positioning plates descend to push the prefabricated slab between the partition plates downward and position the vertical mold partition plate under the action of the lifting oil cylinder. The device has compact and reasonable structure, and the basic operation of the whole mold dismounting and mounting process is automatically realized by the machine, which reduces the labor intensity of the personnel and is beneficial to improve the production efficiency.

The invention relates to the technical field of concrete pile pouring, in particular to a tower type prestressed concrete pile pouring mold and a machining method thereof. The mold comprises a base; driving pieces are arranged on the two sides of the base; the bottom template is arranged at the upper ends of the supporting strips; two groups of side templates are arranged between the two groups of moving frames; a top template is arranged above the side templates; the top template is arranged at the bottom of the clamping plate; a top plate is arranged above the clamping plate; the top plate is arranged between the two groups of moving frames; and pushing pieces and resetting pieces are arranged between the clamping plate and the top plate as well as between the side templates and the movable frame. Through pushing of the pushing piece, the side formworks and the top formwork enclose one section of the bottom formwork, and a pouring cavity is formed. And then moving to the next section of pouring cavity through the moving frame and the top plate. Sectional type pouring is achieved, and the requirements for different lengths of the concrete pile are met. And the assembling, disassembling and moving processes of the mold are automatic, and the labor intensity in the pouring process is reduced.