CN210999267U - Aerify mandrel shape reinforcing system of preapring for an unfavorable turn of events - Google Patents
Aerify mandrel shape reinforcing system of preapring for an unfavorable turn of events Download PDFInfo
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- CN210999267U CN210999267U CN201921406294.2U CN201921406294U CN210999267U CN 210999267 U CN210999267 U CN 210999267U CN 201921406294 U CN201921406294 U CN 201921406294U CN 210999267 U CN210999267 U CN 210999267U
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Abstract
The utility model relates to an anti-deformation reinforcing system, in particular to an anti-deformation reinforcing system for an inflatable core mold, which comprises an outer mold device, an inner mold mechanism sleeved inside the outer mold device, and a positioning reinforcing device arranged between the outer mold device and the inner mold mechanism, wherein a U-shaped structure pouring cavity is formed between the outer mold device and the inner mold mechanism; the outer mold base is of an open cavity structure consisting of two side templates, two supporting baffles and a bottom cushion layer; the positioning and reinforcing device comprises triangular steel, a positioning ring stirrup, a main fixing rib, a T-shaped frame and a flexible reinforcing component, the positioning ring stirrup and the main fixing rib are enclosed to form an inner mold mounting cavity, the main fixing rib limits longitudinal positioning in a positioning hole on the supporting baffle, the inner mold mechanism is connected with the outer mold device through the T-shaped frame to limit transverse positioning, and the influence of buoyancy on the inner mold mechanism is reduced; the inner die mechanism comprises an inner die and an outer die, and the inflatable inner core is arranged between the inner die and the outer die so as to reduce the deformation of the inflatable outer die and prolong the service life of the inner die mechanism.
Description
Technical Field
The utility model relates to a shape reinforcerment system of preapring for an unfavorable turn of events specifically indicates a aerify mandrel shape reinforcerment system of preapring for an unfavorable turn of events.
Background
The culvert is a small ground drainage structure crossing the road bed and arranged when the road bed passes through a depression or a cross ditch (canal), or arranged for diffusing water flow gathered above the road bed to the lower part, and is an artificial structure widely used on the road; the culvert consists of two parts, namely a culvert body and a culvert opening, wherein the culvert opening comprises an inlet and an outlet, the culvert body is the main part of the culvert, the cross section of the culvert is formed into a round shape, a rectangular shape, an arch shape, a box shape and the like, the cave opening buildings are arranged at two ends of the culvert, in order to improve the field construction speed of the culvert, the prefabricated culvert is generally adopted at present and then quickly spliced on the field, the conventional culvert construction adopts a combined steel inner die and an outer die to perform reverse die forming on the wall bodies at two sides, and finally the upper ends of the two wall bodies are laid at the top to form a cover board culvert, or a prefabricated template or a steel die trolley is adopted to construct the culvert, but the combined steel inner die and the outer die are complex to install, reinforce and disassemble, the prefabricated template or the steel die trolley has high cost and long working period, and can hardly meet the requirement of the construction period, and the construction scheme of adopting rubber inflation; the inflatable core mould is also called bridge inflatable core mould and rubber inflatable core mould, the inflatable core mould is an expandable and contractible cylindrical bag, is made by vulcanizing rubber and a fiber reinforced layer, has very high tensile strength, elasticity and airtightness, is used for forming a cavity of a concrete member, is placed in the middle and is inflated with compressed air when the hollow member is manufactured, has enough strength to bear the pressure of the concrete after inflation and expansion, can replace the original wood mould, bamboo mould and steel mould, can be contracted when a valve capsule is opened, can be extracted from the cavity, and has the characteristics of simple use, economy and durability, repeated use for many times, soft contraction, random folding, curling and the like when the hollow member is not inflated; the inflatable core mould is suitable for drawing holes of reinforced concrete members, and comprises piles, roof trusses, roof plate columns, beams, building engineering and hydraulic engineering (docks, berths and wharfs); construction practices prove that the hole drawing process equipment of the inflatable core mould is simple, materials are saved, the shape of the inflatable core mould can be changed, and the inflatable core mould can be in the shape of a circle, an ellipse, a rectangle, an arch, an octagon, a trapezoid and the like; the inflatable core mold provides favorable conditions for lightening the construction site; in the building process, the prestressed hollow concrete member is produced, if an inflatable core mould is adopted, the weight of the prestressed hollow concrete member is 20 percent lighter than that of a non-prestressed solid member, so that the weight of the superstructure of a building is reduced, the pile foundation can be shortened, the span is increased, and the site construction is simple, convenient and safe; the inflatable core mould has the advantages of simple and convenient construction process, safety, low cost and convenient installation, disassembly and maintenance, can greatly shorten the construction period of the culvert and meet the requirement of the construction period, but is easy to float upwards or deform in the concrete pouring process, influences the quality of the prefabricated culvert, and is easy to have various construction problems such as easy deformation, poor anti-floating force, difficult demoulding and the like.
Disclosure of Invention
In order to solve the above problems, the utility model aims to disclose a shape reinforcerment system of preapring for an unfavorable turn of events, specifically indicate an aerify mandrel shape reinforcerment system of preapring for an unfavorable turn of events.
In order to achieve the above object, the utility model adopts the following technical scheme: an anti-deformation reinforcing system for an inflatable core mold comprises an outer mold device, an inner mold mechanism sleeved inside the outer mold device, and a positioning reinforcing device arranged between the outer mold device and the inner mold mechanism; the external mold device comprises an external mold base and a steel reinforcement framework, and the external mold base is formed into an open square cavity structure with the steel reinforcement framework mounted inside; the outer mold base is formed by enclosing and shielding two side templates, two supporting baffles and a bottom surface cushion layer, wherein the bottom surface cushion layer is a cast-in-place concrete structure at the bottom of the outer mold base, and embedded parts are embedded in the upper surface of the bottom surface cushion layer; the side template is of a long flat plate structure; the supporting baffle is a square plate, and the middle part of the supporting baffle is a hollow circle; the two side templates are linearly and longitudinally arranged on the left side and the right side of the upper surface of the bottom cushion layer to form the left side wall and the right side wall of the outer mold base, and the two supporting baffles are linearly and longitudinally arranged on the front side and the rear side of the upper surface of the bottom cushion layer to form the front side wall and the rear side wall of the outer mold base; a steel bar framework with a square cross section is arranged above the bottom cushion layer, and the steel bar framework is fixedly bound with the embedded part on the bottom cushion layer; the inner mold mechanism comprises an inflatable inner mold and an inflatable outer mold covered on the outer side of the inflatable inner mold, a wavy annular inflatable inner core is arranged between the inflatable outer mold and the inflatable inner mold, the inflatable outer mold and the inflatable inner core are respectively provided with an inflation inlet I, an inflation inlet II and an inflation inlet III which are independent; the positioning and reinforcing device comprises triangular steel, positioning ring stirrups, main fixing ribs, a T-shaped frame and a flexible reinforcing member; the positioning ring stirrups are coaxially arranged at intervals along the length direction of the outer die device, a plurality of main fixing reinforcements with the length direction consistent with that of the outer die base are uniformly distributed on the inner walls of the positioning ring stirrups along the circumferential direction of the positioning ring stirrups, the plurality of positioning ring stirrups are connected through the main fixing reinforcements and are enclosed with the main fixing reinforcements to form an inner die mounting cavity, and the joints of the main fixing reinforcements and the positioning ring stirrups are fixed by welding; the angle steel sets up on the angle steel outer wall along the circumference direction interval of angle steel, sets up a T shape frame between per two angle steel, T shape frame includes horizontal pole and montant, and wherein the both ends of horizontal pole are connected with angle steel respectively, and the one end connection steel reinforcement skeleton of horizontal pole is kept away from to the montant, the angle steel passes through T shape frame and is connected in order to inject transverse location with steel reinforcement skeleton.
Preferably, trapezoidal tenon is arranged at four corners of the supporting baffle, the end part of the side template is provided with a mortise which is jointed with the trapezoidal tenon, and the supporting baffle and the side template are overlapped through the trapezoidal tenon and the mortise to form a cavity structure which is easy to assemble and/or disassemble.
Preferably, the supporting baffle is provided with positioning holes at intervals, and two ends of the main fixing rib penetrate through the supporting baffle through the positioning holes in the supporting baffle and are positioned in the positioning holes so as to limit longitudinal positioning.
Preferably, a pouring cavity in a U-shaped structure is formed between the outer die device and the inner die mechanism.
Preferably, the main fixing rib is a long reinforcing steel bar with the diameter of phi 8.
Preferably, the flexible reinforcing members are flexible connecting rope groups which are arranged on the outer side walls of the upper, middle and lower shaft sections of the inflatable outer die at intervals and are arranged along the circumferential direction of the inflatable outer die at intervals, each flexible connecting rope group comprises two flexible connecting ropes, and the two flexible connecting ropes can be wound around the outer peripheral sides of the positioning ring stirrups and/or the main fixing ribs and are fastened with each other.
Preferably, the outer surface of the inner mold mechanism is sleeved with a demolding layer.
Preferably, the release layer is provided in a transparent plastic material.
Preferably, the inner mold mechanism is of a cylindrical structure, the diameter of the inner mold mechanism is more than or equal to 1.6 meters, and the diameter of the inner mold mechanism is more than that of a hollow circle formed in the middle of the supporting baffle; the side length of the steel bar framework is more than or equal to 2.4 meters.
Preferably, the cross bars and the vertical bars of the T-shaped frame are both of flat long sheet type structures.
The beneficial effects of the utility model are embodied in: the utility model provides an anti-deformation reinforcing system for an inflatable core mold, wherein an inner mold mechanism comprises an inner mold layer structure and an outer mold layer structure, and an inflatable inner core is arranged between the inner mold layer and the outer mold layer structure so as to reduce the deformation of the inflatable outer mold layer and prolong the service life of the inner mold layer mechanism; the inner mold mechanism is positioned and reinforced through the arrangement of the triangular steel, the positioning ring hooping, the main fixing rib, the T-shaped frame and the flexible reinforcing member and the supporting baffle, so that the influence of buoyancy on the inner mold mechanism is reduced; the arrangement of the triangular steel and the T-shaped frame can prevent the positioning ring stirrups from deforming due to extrusion of the inner die mechanism and limit the transverse positioning of the inner die mounting cavity at the same time, and a plurality of main fixing ribs are abutted with the outer side wall of the inner die mechanism at the same time, so that the deformation of the inner die mechanism is effectively reduced; the inner mold mechanism is fixedly connected with the positioning ring stirrups and/or the main fixing ribs through the flexible reinforcing component, so that the position deviation of the inner mold mechanism caused by buoyancy is avoided; the both ends of main fixed muscle are fixed in the locating hole of holding barrier to prescribe a limit to longitudinal positioning to main fixed muscle, avoid main fixed muscle to take place out the unordered removal, lead to centre form mechanism not have sufficient main fixed muscle parcel and warp when concrete placement, so set up the position that more can prescribe a limit to the centre form installation cavity, avoid appearing the inhomogeneous condition of concrete thickness distribution when concreting because of the skew of centre form installation cavity, the utility model discloses simple structure, simple to operate, easily construction has improved production efficiency, has accelerated the construction progress greatly, practices thrift investment cost, and the effect is showing.
Drawings
Fig. 1 is a sectional view of the structure for mounting an inflatable core mold according to the present invention.
Fig. 2 is a schematic front view of the support baffle of the present invention.
Fig. 3 is a schematic diagram of the assembly position of the support baffle and the side form of the present invention.
Fig. 4 is a schematic view of the reinforcing apparatus of the present invention.
Fig. 5 is a schematic structural diagram of the inner mold mechanism of the present invention.
Reference is made to the accompanying drawings in which:
1-outer mold base, 2-side mold plate, 3-supporting baffle, 4-bottom cushion layer, 5-positioning hole, 6-steel reinforcement framework, 7-inflatable inner mold, 8-inflatable outer mold, 9-inflatable inner core, 10-triangular steel, 11-positioning ring stirrup, 12-main fixing rib, 13-T-shaped frame, 14-flexible reinforcing member, 15-trapezoidal tenon, 16-mortise, 17-cross bar, 18-vertical bar, 19-first layer concrete structure and 20-second layer concrete structure.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings:
the utility model provides an anti-deformation reinforcing system for an inflatable core mold, which comprises an outer mold device, an inner mold mechanism sleeved inside the outer mold device, and a positioning reinforcing device arranged between the outer mold device and the inner mold mechanism; a pouring cavity in a U-shaped structure is formed between the outer die device and the inner die mechanism;
the outer die device comprises an outer die base 1 and a steel reinforcement framework 6, wherein the outer die base 1 is formed into an open square cavity structure in which the steel reinforcement framework 6 is installed; the outer mold base 1 is formed by enclosing two side templates 2, two supporting baffles 3 and a bottom cushion layer 4, wherein the bottom cushion layer 4 is a cast-in-place concrete structure at the bottom of the outer mold base 1, and embedded parts are embedded in the upper surface of the bottom cushion layer; the side template 2 is of a long flat plate structure; the supporting baffle 3 is a square plate, the middle part of the supporting baffle is a hollow circle, and positioning holes 5 are arranged on the supporting baffle 3 at intervals; the two side templates 2 are linearly and longitudinally arranged on the left side and the right side of the upper surface of the bottom cushion layer 4 to form the left side wall and the right side wall of the outer mold base 1, and the two supporting baffles 3 are linearly and longitudinally arranged on the front side and the rear side of the upper surface of the bottom cushion layer 4 to form the front side wall and the rear side wall of the outer mold base 1; trapezoidal tenons 15 are arranged at four corners of the supporting baffle 3, mortises 16 which are jointed with the trapezoidal tenons 15 are arranged at the end parts of the side templates 2, and the supporting baffle 3 and the side templates 2 are overlapped to form a cavity structure which is easy to assemble and/or disassemble through the trapezoidal tenons 15 and the mortises 16; a steel bar framework 6 with a square cross section is arranged above the bottom cushion layer 4, the steel bar framework 6 and an embedded part on the bottom cushion layer 4 are fixed through binding, the side length of the steel bar framework 6 is more than or equal to 2.4 meters, and in the embodiment, the side length of the steel bar framework 6 is preferably 2.4 meters;
the inner mold mechanism comprises an inflatable inner mold 7 and an inflatable outer mold 8 covered on the outer side of the inflatable inner mold 7, a wavy annular inflatable inner core 9 is arranged between the inflatable outer mold 8 and the inflatable inner mold 7, the inflatable outer mold 8 and the inflatable inner core 9 are respectively provided with an independent inflation inlet I, an inflation inlet II and an inflation inlet III, the inflatable outer mold 8 is used as a component which is directly contacted with the external environment and is a main stress surface when concrete is poured, the wavy annular inflatable inner core 9 is arranged between the inflatable outer mold 8 and the inflatable inner mold 7, a support is formed in the inflatable outer mold 8, the deformation of the inflatable outer mold 8 is reduced, and the service life of the inner mold mechanism is prolonged; the inner mold mechanism is formed into a cylindrical structure, the diameter of the inner mold mechanism is more than or equal to 1.6 meters, in the embodiment, the diameter of the inner mold mechanism is preferably 1.6 meters, the diameter of the inner mold mechanism is more than that of a hollow circle formed in the middle of the supporting baffle 3, and the length of the inner mold mechanism is consistent with that of the outer mold device; furthermore, a demolding layer is sleeved on the outer surface of the inner mold mechanism, the demolding layer is preferably a plastic film layer made of transparent plastic materials, the plastic film layer is adopted to replace a demolding machine, and demolding is simple and convenient while the inner mold mechanism is protected;
the positioning and reinforcing device comprises triangular steel 10, a positioning ring stirrup 11, a main fixing rib 12, a T-shaped frame 13 and a flexible reinforcing member 14; the positioning ring stirrups 11 are coaxially arranged at intervals along the length direction of the outer die device, a plurality of main fixing ribs 12 with the length direction consistent with that of the outer die base 1 are uniformly distributed on the inner walls of the positioning ring stirrups 11 along the circumferential direction of the positioning ring stirrups 11, the positioning ring stirrups 11 are connected through the main fixing ribs 12 and are enclosed with the main fixing ribs 12 to form an inner die mounting cavity, the joints of the main fixing ribs 12 and the positioning ring stirrups 11 are fixed through welding, and the two ends of the main fixing ribs 12 penetrate through the supporting baffle 3 through the positioning holes 5 in the supporting baffle 3 and are positioned in the positioning holes 5 to limit longitudinal positioning; the inner mold mechanism is sleeved inside the inner mold mounting cavity, the outer wall of the inflatable outer mold 8 is connected with the main fixing rib 12 in a fitting mode, the two ends of the main fixing rib 12 are limited in the positioning holes 5 of the supporting baffle 3, and the diameter of the inner mold mechanism is larger than that of a hollow circle formed in the middle of the supporting baffle 3, so that the two ends of the inflatable outer mold 8 are abutted against the middle of the supporting baffle 3 and can be completely blocked at the position of the hollow circle of the supporting baffle 3, and slurry leakage can not occur during concrete pouring; the two ends of the main fixing rib 12 are fixedly constrained, so that the main fixing rib 12 can be prevented from moving disorderly, the internal mold mechanism is prevented from being deformed when concrete is poured due to the fact that the main fixing rib 12 is not sufficiently wrapped, the position of the internal mold installation cavity can be limited, the situation that the thickness of the concrete is not uniformly distributed when the concrete is poured due to the position deviation of the internal mold installation cavity is avoided, and preferably, the main fixing rib 12 is a long steel bar with the diameter of phi 8;
the flexible reinforcing members 14 are arranged between the inner mold mechanism and the positioning ring stirrups 11 and/or the main fixing ribs 12 and are used for fixing the inner mold mechanism, so that the position deviation of the inner mold mechanism caused by buoyancy generated by concrete pouring is avoided, specifically, the flexible reinforcing members 14 are flexible connecting rope sets which are arranged on the outer side walls of the inflatable outer molds 8 of the inner mold mechanism at intervals and are arranged along the circumferential direction of the inflatable outer molds 8 at intervals, each flexible connecting rope set comprises two flexible connecting ropes, the two flexible connecting ropes can be wound to the outer peripheral sides of the positioning ring stirrups 11 and/or the main fixing ribs 12 and are fastened with each other, and further, the flexible connecting ropes can be adhered to the outer side walls of the inflatable outer molds 8 through rubber sheets or adhesive tapes after being coated with adhesives;
the triangular steel 10 is arranged on the outer wall of the positioning ring stirrup 11 at intervals along the circumferential direction of the positioning ring stirrup 11, a T-shaped frame 13 is arranged between every two triangular steel 10, each T-shaped frame 13 comprises a cross rod 17 and a vertical rod 18, two ends of each cross rod 17 are respectively connected with the triangular steel 10, one end of each vertical rod 18 far away from the cross rod 17 is connected with the steel reinforcement framework 6, the positioning ring stirrup 11 is connected with the steel reinforcement framework 6 through the triangular steel 10 and the T-shaped frame 13 to limit transverse positioning, the T-shaped frame 13 can be fixedly connected with the triangular steel 10 and the steel reinforcement framework 6 in a welding mode or can be fixedly connected with the triangular steel 10 and the steel reinforcement framework 6 in a binding mode, an internal mold mechanism can generate huge buoyancy in the concrete pouring process so as to extrude the positioning ring stirrup 11 and cause the deformation of the positioning ring stirrup 11, the arrangement of the triangular steel 10 can disperse extrusion force, the T-shaped frame 13 can generate reverse acting force on the positioning ring stirrup 11 to prevent, the cross rods 17 and the vertical rods 18 of the T-shaped frames 13 are both of flat and long sheet-type structures, and preferably, 5T-shaped frames 13 are arranged in the positioning ring stirrup 11 within each 120 degrees;
in this embodiment, an installation and construction method of an anti-deformation reinforcing system for an inflatable core mold includes the following steps:
1) a reinforcement cage 6 with a square cross section and a side length of more than or equal to 2.4 meters (preferably, the side length is 2.4 meters) is bound and fixed on the upper surface of the bottom cushion layer 4 through an embedded part; the left side and the right side of the steel reinforcement framework 6 are respectively lapped with a side template 2, the front side and the rear side of the steel reinforcement framework 6 are respectively lapped with a supporting baffle 3, and the templates 2 at the two sides, the two supporting baffles 3 and the bottom cushion layer 4 are enclosed to form an open type outer mold base 1;
2) prefabricating an inner die installation cavity: the positioning ring stirrups 11 coaxially arranged are sequentially connected through a plurality of main fixing ribs 12, the length directions of which are consistent with the length direction of the outer mold base 1, the main fixing ribs 12 are uniformly distributed along the circumferential direction of the inner wall of the positioning ring stirrups 11 and enclose an inner mold mounting cavity with the positioning ring stirrups 11, and the joints of the main fixing ribs 12 and the positioning ring stirrups 11 are fixed through welding;
3) sequentially penetrating two ends of the main fixing ribs 12 in the internal mold mounting cavity in the step 2) into the positioning holes 5 of the supporting baffle 3 mounted in the step 1);
4) detecting the integrity of the internal mold mechanism, respectively inflating the inflatable internal mold 7, the inflatable external mold 8 and the inflatable inner core 9 through an inflation inlet I, an inflation inlet II and an inflation inlet III by using an air compressor or a known method until the working air pressure is 0.017-0.02 Mpa, observing whether the air pressure is reduced after 30 minutes, if the air pressure is not reduced, indicating that the internal mold mechanism has no air leakage, and if the air pressure is reduced, smearing soapy water on the outer side wall of the internal mold mechanism to determine the air leakage position and then repairing in time;
5) after the integrity of the inner mold mechanism is confirmed, a demoulding layer is sleeved on the outer wall of the inner mold mechanism, the demoulding layer is pulled into an inner mold mounting cavity, and the demoulding layer is bound and fixed with the positioning ring stirrup 11 and/or the main fixing rib 12 through a flexible connecting rope on the inner mold mechanism; a pouring cavity in a U-shaped structure is formed between the outer die device and the inner die mechanism;
6) after the inner mold mechanism is in place, continuously inflating the inner mold mechanism by using an air compressor or a known method, arranging a professional to monitor an air pressure gauge, and keeping the working air pressure inside the inflatable core mold at 0.017-0.02 MPa during the concrete pouring process to the initial setting period of concrete;
7) adjusting the concrete slump, and adjusting the concrete slump to 12-14 cm from 16-18 cm of a test section;
8) whether the joints between the bottom cushion layer 4 and the side form plates 2 and the supporting baffle 3 and the butt between the supporting baffle 3 and the internal mold mechanism are tight or not is checked, concrete pouring is carried out on the pouring cavity at the opening of the upper end of the external mold base 1 after tightness is confirmed, and concrete pouring is carried out by adopting a two-bin layered pouring method which is as follows: manufacturing two-bin pouring cavities according to the steps 1) to 7), and pouring and forming a first layer concrete structure 19 and a second layer concrete structure 20 in the two-bin pouring cavities in different times; the specific operation is as follows: pouring and forming a first layer of concrete structure 19 in the first bin pouring cavity, pouring concrete to a position 10cm above the bottom of the internal mold mechanism, turning to the second bin pouring cavity for pouring concrete, and when pouring concrete in the second bin pouring cavity, generating initial setting on the first layer of concrete structure 19 in the first bin pouring cavity; after the concrete is poured into the second bin pouring cavity to a position 10cm above the bottom of the internal mold mechanism, returning to the first bin pouring cavity to pour and form the second-layer concrete structure 20, pouring the concrete of the second-layer concrete structure 20 to the top of the first bin pouring cavity from a position 10cm above the bottom of the internal mold mechanism, returning to the second bin pouring cavity to pour the concrete after the concrete pouring of the first bin pouring cavity is finished, and pouring to the top of the second bin pouring cavity in the same way; after the first layer of concrete structure 19 is initially set, pouring of the second layer of concrete structure 20 is carried out, and the upward buoyancy generated by the inner mold mechanism during concrete pouring is reduced; in the concrete pouring process, a vibrator is used for symmetrically vibrating from two sides of the inner die mechanism (the vibrator cannot be directly contacted with the inner die mechanism) so as to prevent the inner die mechanism from being extruded and deformed due to uneven lateral stress;
9) and (5) exhausting and removing the mold after concrete pouring is finished for 24 hours, drawing out the internal mold mechanism, and washing and detecting the internal mold mechanism for the next use.
In the embodiment, the inner mold mechanism is positioned and reinforced through the arrangement of the triangular steel 10, the positioning ring stirrups 11, the main fixing ribs 12, the T-shaped frame 13 and the flexible reinforcing members 14 and the support baffle 3, so that the influence of buoyancy on the inner mold mechanism is reduced; regulating and controlling the air pressure inside the inner mold mechanism, and debugging to protect the inner mold mechanism from deformation caused by buoyancy extrusion to the maximum extent when the air pressure inside the inner mold mechanism is kept at 0.017-0.02 Mpa; before pouring, adjust the slump for 12 ~ 14cm by the 16 ~ 18cm of test section to adopt two storehouses layering to pour the method and carry out concrete placement, carry out second floor concrete structure 20 after 19 initial set of first layer concrete structure and pour again, with the upward buoyancy of reducing the concrete to interior mode mechanism, carry out two storehouses simultaneously and pour, improved production efficiency, accelerated the construction progress greatly, practice thrift investment cost, the effect is showing, the utility model discloses can popularize and apply in aspects such as prefabricated culvert, concrete drain pipe, concrete sewer pipe, small-size diversion tunnel concrete lining.
Above, only the preferred embodiment of the present invention is not right the technical scope of the present invention makes any restriction, and the technical personnel in this industry can make some deformations and modifications under this technical scheme's enlightenment, all the basis the utility model discloses a technical essence is to any modification, the equivalent change and the modification of making of above embodiment, all still belong to the technical scheme's scope of the present invention.
Claims (10)
1. An anti-deformation reinforcing system for an inflatable core mold is characterized by comprising an outer mold device, an inner mold mechanism sleeved inside the outer mold device, and a positioning reinforcing device arranged between the outer mold device and the inner mold mechanism; the external mold device comprises an external mold base and a steel reinforcement framework, and the external mold base is formed into an open square cavity structure with the steel reinforcement framework mounted inside; the outer mold base is formed by enclosing and shielding two side templates, two supporting baffles and a bottom surface cushion layer, wherein the bottom surface cushion layer is a cast-in-place concrete structure at the bottom of the outer mold base, and embedded parts are embedded in the upper surface of the bottom surface cushion layer; the side template is of a long flat plate structure; the supporting baffle is a square plate, and the middle part of the supporting baffle is a hollow circle; the two side templates are linearly and longitudinally arranged on the left side and the right side of the upper surface of the bottom cushion layer to form the left side wall and the right side wall of the outer mold base, and the two supporting baffles are linearly and longitudinally arranged on the front side and the rear side of the upper surface of the bottom cushion layer to form the front side wall and the rear side wall of the outer mold base; a steel bar framework with a square cross section is arranged above the bottom cushion layer, and the steel bar framework is fixedly bound with the embedded part on the bottom cushion layer; the inner mold mechanism comprises an inflatable inner mold and an inflatable outer mold covered on the outer side of the inflatable inner mold, a wavy annular inflatable inner core is arranged between the inflatable outer mold and the inflatable inner mold, the inflatable outer mold and the inflatable inner core are respectively provided with an inflation inlet I, an inflation inlet II and an inflation inlet III which are independent; the positioning and reinforcing device comprises triangular steel, positioning ring stirrups, main fixing ribs, a T-shaped frame and a flexible reinforcing member; the positioning ring stirrups are coaxially arranged at intervals along the length direction of the outer die device, a plurality of main fixing reinforcements with the length direction consistent with that of the outer die base are uniformly distributed on the inner walls of the positioning ring stirrups along the circumferential direction of the positioning ring stirrups, the plurality of positioning ring stirrups are connected through the main fixing reinforcements and are enclosed with the main fixing reinforcements to form an inner die mounting cavity, and the joints of the main fixing reinforcements and the positioning ring stirrups are fixed by welding; the angle steel sets up on the angle steel outer wall along the circumference direction interval of angle steel, sets up a T shape frame between per two angle steel, T shape frame includes horizontal pole and montant, and wherein the both ends of horizontal pole are connected with angle steel respectively, and the one end connection steel reinforcement skeleton of horizontal pole is kept away from to the montant, the angle steel passes through T shape frame and is connected in order to inject transverse location with steel reinforcement skeleton.
2. The system for preventing deformation and reinforcing an inflatable core mold as claimed in claim 1, wherein the supporting baffle is provided with trapezoidal tenons at four corners, the end portion of the side mold plate is provided with mortises engaged with the trapezoidal tenons, and the supporting baffle and the side mold plate are overlapped to form a cavity structure which is easy to assemble and/or disassemble through the trapezoidal tenons and the mortises.
3. The system for preventing deformation and reinforcing an inflatable core mold as claimed in claim 1, wherein the supporting baffle is provided with positioning holes at intervals, and two ends of the main fixing rib penetrate through the supporting baffle through the positioning holes on the supporting baffle and are positioned in the positioning holes to define longitudinal positioning.
4. The system for preventing deformation and reinforcing an inflatable core mold as claimed in claim 1, wherein a pouring cavity in a U-shaped structure is formed between the outer mold device and the inner mold mechanism.
5. The system for preventing deformation and reinforcing an inflatable core mold as claimed in claim 1, wherein the main fixing rib is a long reinforcing bar with a diameter of 8 mm.
6. The system for preventing deformation and reinforcing an inflatable core mold as claimed in claim 1, wherein the flexible reinforcing members are flexible connecting rope groups which are arranged on the outer side walls of the upper, middle and lower shaft sections of the inflatable outer mold at intervals and are arranged along the circumferential direction of the inflatable outer mold at intervals, each flexible connecting rope group comprises two flexible connecting ropes, and the two flexible connecting ropes can be wound around the outer circumferential side of the positioning ring stirrup and/or the main fixing rib and are fastened with each other.
7. The system for preventing deformation and reinforcing an inflatable core mold according to claim 1, wherein a demolding layer is sleeved on the outer surface of the inner mold mechanism.
8. The system of claim 7, wherein the release layer is made of a transparent plastic material.
9. The deformation-preventing and reinforcing system for the inflatable core mold as claimed in claim 1, wherein the inner mold mechanism is of a cylindrical structure, the diameter of the inner mold mechanism is more than or equal to 1.6 m, and the diameter of the inner mold mechanism is more than that of a hollow circle formed in the middle of the supporting baffle; the side length of the steel bar framework is more than or equal to 2.4 meters.
10. The system for deformation-prevention and reinforcement of an inflatable core mold as claimed in claim 1, wherein the cross bars and the vertical bars of the T-shaped frame are both of a flat and long sheet type structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921406294.2U CN210999267U (en) | 2019-08-28 | 2019-08-28 | Aerify mandrel shape reinforcing system of preapring for an unfavorable turn of events |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921406294.2U CN210999267U (en) | 2019-08-28 | 2019-08-28 | Aerify mandrel shape reinforcing system of preapring for an unfavorable turn of events |
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| CN210999267U true CN210999267U (en) | 2020-07-14 |
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| CN201921406294.2U Active CN210999267U (en) | 2019-08-28 | 2019-08-28 | Aerify mandrel shape reinforcing system of preapring for an unfavorable turn of events |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110421700A (en) * | 2019-08-28 | 2019-11-08 | 广东省水利水电第三工程局有限公司 | A kind of aerated core anti-deformation hardened system and its construction method of installation |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110421700A (en) * | 2019-08-28 | 2019-11-08 | 广东省水利水电第三工程局有限公司 | A kind of aerated core anti-deformation hardened system and its construction method of installation |
| CN110421700B (en) * | 2019-08-28 | 2024-02-09 | 广东省水利水电第三工程局有限公司 | Anti-deformation reinforcing system for inflatable core mold and installation and construction method thereof |
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