CN113103429A - Prefabricated node mould of assembled steel-concrete mixed frame structure and production method - Google Patents
Prefabricated node mould of assembled steel-concrete mixed frame structure and production method Download PDFInfo
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- CN113103429A CN113103429A CN202110405376.0A CN202110405376A CN113103429A CN 113103429 A CN113103429 A CN 113103429A CN 202110405376 A CN202110405376 A CN 202110405376A CN 113103429 A CN113103429 A CN 113103429A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
- B28B23/022—Means for inserting reinforcing members into the mould or for supporting them in the mould
- B28B23/024—Supporting means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0002—Auxiliary parts or elements of the mould
- B28B7/0014—Fastening means for mould parts, e.g. for attaching mould walls on mould tables; Mould clamps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/16—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes
- B28B7/18—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes the holes passing completely through the article
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/185—Connections not covered by E04B1/21 and E04B1/2403, e.g. connections between structural parts of different material
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/30—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts being composed of two or more materials; Composite steel and concrete constructions
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- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Moulds, Cores, Or Mandrels (AREA)
Abstract
The invention relates to a prefabricated node mould of an assembly type steel-concrete mixed frame structure and a production method, wherein the prefabricated node mould comprises the following components: a bottom template; the side template is fixed on the bottom template along the circumferential direction of the bottom template, and holes for the prefabricated node brackets to extend out are formed in the side template; the first positioning component comprises a plurality of positioning keys which are arranged and fixed on the bottom template, and positioning grooves for inserting the prefabricated node steel ribs are formed among the positioning keys; the second positioning assembly comprises a plurality of screw hole discs, a corrugated pipe, a steel pipe and a screw rod, wherein the screw hole discs are arranged in a one-to-one correspondence manner, the screw hole discs are arranged on the bottom template, the corrugated pipe is sleeved on the steel pipe, the bottom end of the steel pipe is sleeved on the screw hole discs, the top elevation of the steel pipe is not lower than that of the top of the side template, a baffle is fixed at the top end of the steel pipe, a first through hole is formed in the baffle, the bottom end of the screw rod is inserted into the first through hole and screwed to the screw hole. The invention can accurately control the positions of the steel ribs and the reserved channels and ensure the processing precision and quality.
Description
Technical Field
The invention relates to the field of building construction, in particular to a prefabricated node mould of an assembly type steel-concrete mixed frame structure and a production method.
Background
Referring to fig. 1, the fully-assembled steel-concrete combined frame structure system is composed of prefabricated columns 1, prefabricated nodes 2 and beams 3. Wherein: the prefabricated node 2 is an independent prefabricated component; as shown in fig. 2 and 3, the vertical steel ribs 21 are arranged inside the prefabricated node 2, so that the safety and the applicability of the node can be improved; the prefabricated node 2 is vertically connected with the prefabricated column 1 in a manner of grouting into the reserved channel 22; the connection to the beam 3 is effected horizontally by means of outwardly extending brackets 23.
By adopting the structural design of the prefabricated node 2, the construction of a full-assembly type steel-concrete combined frame structure system is quick and convenient, the upper-layer steel bars of the floor slab can be kept continuous in a node area, the main beam can be designed into a continuous combined beam, the steel consumption is reduced, the economy is improved, the non-support floor slab is convenient to adopt, and the purpose of template-free and less-support construction is achieved.
Because above-mentioned prefabricated node is different sex's component, consequently, the design requirement to prefabricated node mould is higher: when the prefabricated node is manufactured, the precision of the steel rib and the precision of the vertical reserved channel need to be strictly controlled. Therefore, in order to ensure the processing precision and the processing quality of the prefabricated node, reasonable template design is the key.
Disclosure of Invention
In order to solve the problems, the invention provides a prefabricated node mould of an assembly type steel-concrete mixed frame structure and a production method thereof.
The invention is realized by the following scheme: a prefabricated node mould of an assembled steel-concrete hybrid frame structure, comprising:
a bottom template;
the side die plate is fixed on the bottom die plate along the circumferential direction of the bottom die plate, and holes for the prefabricated node brackets to extend out are formed in the side die plate;
the first positioning assembly comprises a plurality of positioning keys which are arranged and fixed on the bottom template, and positioning grooves for inserting the prefabricated node steel ribs are formed among the positioning keys;
second locating component, second locating component includes a plurality of screw disks, a plurality of bellows, a plurality of steel pipe and a plurality of screw rod that the one-to-one set up, and is a plurality of the screw disk is laid on the die block board, the bellows cup joint in the steel pipe, the bottom cover of steel pipe is located the screw disk, the top elevation of steel pipe is not less than the top elevation of side form board, just the top of steel pipe is fixed with the baffle, first through-hole has been seted up on the baffle, the bottom of screw rod is inserted first through-hole and spiral shell are close extremely the screw disk, the top warp of screw rod first through-hole extends the baffle.
The prefabricated node mould of the assembled steel-concrete mixed frame structure is further improved in that a C-shaped key groove mould plate for fixing a plurality of positioning keys is fixed on the bottom mould plate, a cavity is formed between the bottom mould plate and the C-shaped key groove mould plate, the prefabricated node mould further comprises a reserved pipe, the bottom end of the reserved pipe penetrates through any one of the positioning keys and the C-shaped key groove mould plate and is inserted into the cavity, and the height of the top of the reserved pipe is not lower than that of the side mould plate.
The prefabricated node mould of the assembly type steel-concrete mixed frame structure is further improved in that the second positioning assembly further comprises a screw positioning plate, a second through hole is formed in the screw positioning plate, the top end of the screw penetrates out of the second through hole and is fastened through a nut, and two ends of the screw positioning plate are fixed with the top ends of the side templates.
The prefabricated node mould of the assembled steel-concrete mixed frame structure is further improved in that a flexible plugging material is filled between the end part of the steel pipe and the corrugated pipe.
The prefabricated node mould of the assembly type steel-concrete mixed frame structure is further improved in that the number of the positioning keys is four, and the four positioning keys are arranged in a matrix form and form the cross-shaped positioning grooves.
The prefabricated node mould of the assembly type steel-concrete mixed frame structure is further improved in that a plurality of positioning keys are arranged and fixed in the middle of the bottom template, and a plurality of screw hole discs are uniformly arranged on the inner sides of the side templates at intervals along the circumferential direction of the bottom template.
The invention also provides a production method of the prefabricated node of the assembled steel-concrete mixed frame structure, which comprises the following steps:
providing a bottom template, performing paying-off operation on the bottom template, and determining the installation positions of a plurality of positioning keys, a plurality of screw hole discs and a side template;
providing a plurality of positioning keys, arranging the positioning keys according to corresponding installation positions and fixing the positioning keys on the bottom template, so that positioning grooves are formed among the positioning keys;
providing a plurality of screw hole discs, a plurality of corrugated pipes, a plurality of steel pipes and a plurality of screws which are the same in number and correspond one to one, wherein the top elevation of each steel pipe is not lower than that of each side template, a baffle is fixed at the top end of each steel pipe, and a first through hole is formed in each baffle;
arranging a plurality of screw hole discs on the bottom template according to corresponding installation positions, sleeving the corrugated pipe on the steel pipe, inserting the bottom end of the screw rod into the first through hole and screwing the bottom end of the screw rod to the screw hole discs, and sleeving the bottom end of the steel pipe on the screw hole discs to enable the top end of the screw rod to extend out of the baffle plate through the first through hole;
inserting the prefabricated node steel ribs into the positioning grooves, fixing prefabricated node brackets around the prefabricated node steel ribs, and then fixing prefabricated node stirrups;
providing the side formworks, wherein the side formworks are provided with holes for the prefabricated node brackets to pass through, and the side formworks are installed at corresponding installation positions on the bottom formworks along the circumferential direction of the bottom formworks;
and pouring concrete in the surrounding space of the side template.
The invention further improves the production method of the prefabricated node of the assembled steel-concrete mixed frame structure, and comprises the following steps:
a C-shaped key groove template is fixed on the bottom template, and a cavity is formed between the bottom template and the C-shaped key groove template;
after inserting the prefabricated node reinforcing bars into the positioning grooves and before binding the prefabricated node stirrups, a reserved pipe is provided, the bottom end of the reserved pipe penetrates through any positioning key and the C-shaped key groove template and is inserted into the cavity, and the top elevation of the reserved pipe is not lower than that of the side template.
The prefabricated node production method of the assembled steel-concrete mixed frame structure of the invention is further improved in that after the side formworks are installed and before concrete pouring is carried out: and providing a screw positioning plate, wherein a second through hole is formed in the screw positioning plate, the top end of the screw penetrates out of the second through hole and is fastened through a nut, and two ends of the screw positioning plate are fixed with the top end of the side template.
The production method of the prefabricated node of the assembled steel-concrete mixed frame structure is further improved in that when the corrugated pipe is sleeved on the steel pipe, a flexible plugging material is filled between the end part of the steel pipe and the corrugated pipe.
The prefabricated node mould provided by the invention has the following beneficial effects that:
1. through the arrangement of the bottom template, the side template, the first positioning assembly and the second positioning assembly, the accurate control of the position of the steel rib and the position of the reserved channel is realized, the machining precision and the machining quality of the prefabricated node are guaranteed, the disturbance resistance of the positioning measures is high, and the positioning deviation caused during concrete pouring is avoided.
2. Adopt the assembled structure, can realize tearing open, dress mould fast, it is convenient to install, easy operation, machining efficiency is high, can be used to the prefabricated component production of prefabricated component factory, also can be used to the on-the-spot nomadic production.
3. The measures of lining the steel pipe and filling the flexible plugging material between the end part of the steel pipe and the corrugated pipe are adopted, so that on one hand, the corrugated pipe is supported and fixed, and on the other hand, slurry leakage is prevented when the corrugated pipe is poured by concrete.
4. Through the cavity that forms between die block board and the C type keyway template and the setting of cooperation reservation pipe, pour the space after having increased when prefabricated node and prefabricated post are connected, guaranteed the connection steadiness of prefabricated node and precast pile.
Drawings
Fig. 1 shows a schematic diagram of a fully assembled steel-concrete composite frame structure system.
Fig. 2 shows an internal construction diagram before casting of the prefabricated node.
Fig. 3 shows an appearance schematic diagram after the prefabricated node is poured.
Fig. 4 shows a vertical cross-section of the prefabricated node mould according to the invention.
Fig. 5 shows a top view of the prefabricated node mold of the present invention when the long screw positioning plate is not installed.
Fig. 6 shows a top view of the prefabricated node mould of the present invention when the long screw positioning plate is installed.
Detailed Description
The prefabricated node mould of the fully-assembled steel-concrete mixed frame structure and the production method thereof can realize the accurate control of the position of the steel rib and the position of the reserved channel and ensure the processing precision and the processing quality of the prefabricated node.
The prefabricated node mould of the fabricated steel-concrete mixed frame structure and the production method thereof are further explained by using specific embodiments and the attached drawings.
Referring to fig. 4 and 5, fig. 4 is a vertical sectional view illustrating the prefabricated node mold of the present invention, and fig. 5 is a plan view illustrating the prefabricated node mold of the present invention when a long screw positioning plate is not installed.
A prefabricated node mould of an assembled steel-concrete hybrid frame structure, comprising:
a bottom template 4;
the side template 5 is fixed on the bottom template 4 along the circumferential direction of the bottom template 4, and holes for the prefabricated node corbels to extend out are formed in the side template 5;
the first positioning assembly comprises a plurality of positioning keys 61 which are arranged and fixed on the bottom template 4, and positioning grooves 62 for inserting the prefabricated node steel ribs are formed among the positioning keys 61;
the second positioning assembly comprises a plurality of screw hole discs 71, a plurality of corrugated pipes 72, a plurality of steel pipes 73 and a plurality of screws 74 which are arranged in a one-to-one correspondence manner, the plurality of screw hole discs 71 are arranged and fixed on the bottom template 4, the corrugated pipes 72 are sleeved on the steel pipes 73, the bottom ends of the steel pipes 73 are sleeved on the screw hole discs 71 (preferably, the outer diameter of each screw hole disc 71 is slightly smaller than the inner diameter of the steel pipe 73, so that the bottom of the steel pipe 73 is not shaken, and the positioning accuracy is ensured), the top height of each steel pipe 73 is not lower than that of the side template 5 (so that a reserved channel for penetrating a rib is smooth), a baffle 75 is welded at the top end of each steel pipe 73, a first through hole is formed in the middle of the baffle 75, the bottom end of each screw 74 is inserted into the first through hole and screwed to the screw hole discs 71, and the top end of each screw 74 extends.
Specifically, the method comprises the following steps: the number and arrangement of the positioning keys 61 are determined according to the arrangement of the prefabricated node steel ribs; the number and the arrangement of the screw hole discs 71 are determined according to the number and the positions of the reserved pipelines of the prefabricated nodes, the reserved pipelines are used for reserved steel bars at the tops of the prefabricated columns 1 in the steel-concrete combined frame structure to penetrate, and the number and the positions of the reserved steel bars correspond to one another; the installation position of the sideforms 6 is determined according to the specification of the precast column 1 so that the periphery of the precast node concrete part is flush with the periphery of the precast column 1. Specifically, use and set up the square prefabricated post of round reservation reinforcing bar and the prefabricated node that the middle part was equipped with the cross reinforcing bar along peripheral interval as an example, in this embodiment, this navigation key 61's quantity is four, four this navigation key 61 are the matrix and arrange and form and supply the cross reinforcing bar to insert the cross constant head tank 62 of establishing, four this navigation key 61 arrange and be fixed in the middle part of this die plate 4, a plurality of this screw dish 71 are laid in the inboard of this side form 5 along the even interval of circumference of this die plate 4.
In the present embodiment, the corrugated tube 72 is a metal corrugated tube, and the positioning thereof is mainly supported by the steel tube 73 serving as a lining of the corrugated tube, and in order to improve the fixing property to the corrugated tube 72 and to prevent the occurrence of slurry leakage at the concrete casting position of the corrugated tube, it is preferable that a flexible plugging material is filled between the end of the steel tube 73 and the corrugated tube 72.
According to the invention, through the arrangement of the bottom template 4, the side templates 5, the first positioning assembly and the second positioning assembly, the accurate control of the position of the steel rib and the position of the reserved channel is realized, the processing precision and the processing quality of the prefabricated node are ensured, the anti-disturbance capability of the positioning measures is strong, and the positioning deviation caused during concrete pouring is avoided. In addition, the prefabricated node mould of this embodiment adopts the assembled structure, can realize tearing open, the die-filling fast, and the installation is convenient, easy operation, machining efficiency is high, can be used to the prefabricated component production of prefabricated component factory, also can be used to the on-the-spot nomadic production.
As a preferred embodiment, a C-shaped key groove mold plate 41 for fixing a plurality of positioning keys 61 is fixed on the bottom mold plate 4, a cavity 42 is formed between the bottom mold plate 4 and the C-shaped key groove mold plate 41, the prefabricated node mold further includes a reserved pipe 81, a bottom end of the reserved pipe 81 passes through any one of the positioning keys 61 and the C-shaped key groove mold plate 41 and is inserted into the cavity 42, and a top height of the reserved pipe 81 is not lower than a top height of the side mold plate 5.
Specifically, the method comprises the following steps: the reserved pipe 81 is a PVC pipe, and the arrangement of the reserved pipe 81 is matched with the cavity 42 formed between the bottom template 4 and the C-shaped key groove template 41, so that the post-pouring space when the prefabricated node is connected with the prefabricated column is increased, and the connection stability of the prefabricated node and the prefabricated pile is ensured.
Referring to fig. 4 and 6, as a preferred embodiment, fig. 6 is a plan view of the prefabricated node mould of the present invention when a long screw positioning plate is installed. The second positioning assembly further comprises a screw positioning plate 76, a second through hole is formed in the screw positioning plate 76, the top end of the screw 74 penetrates out of the second through hole and is fastened through a nut, and two ends of the screw positioning plate 77 are fixed with the top end of the side template 5.
Specifically, the method comprises the following steps: this screw rod locating plate 76 can concatenate the many screw rods 74 of location, this screw rod locating plate 76's quantity is four in this embodiment, and four screw rod locating plates 76 span between the relative both sides of side bolster 5, the second through-hole that supplies screw rod 74 to wear out is all seted up to the position department corresponding to screw rod 74 on every screw rod locating plate 76, two tip of screw rod locating plate 76 are connected with the top of the relative both sides of side bolster 5 respectively, in order to compensate the not enough of side bolster 5 top standard height, select to establish the square steel pipe of being connected between the relative both sides top of side bolster 5 respectively with the screw rod locating plate 76 pad. Through the measures, the top end of the steel pipe 73 is effectively fixed, and the positioning accuracy is further ensured.
The invention also provides a prefabricated node production method of the assembled steel-concrete mixed frame structure, which utilizes the prefabricated node mould to manufacture the prefabricated node and comprises the following steps:
step 1, providing a bottom template 4, performing paying-off operation on the bottom template 4, and determining the installation positions of a plurality of positioning keys 61, a plurality of screw hole discs 71 and a side template 5.
Specifically, the number and arrangement of the positioning keys 61 are determined according to the arrangement of the prefabricated node steel ribs; the number and the arrangement of the screw hole discs 71 are determined according to the number and the positions of the reserved pipelines of the prefabricated nodes, the reserved pipelines are used for reserved steel bars at the tops of the prefabricated columns 1 in the steel-concrete combined frame structure to penetrate, and the number and the positions of the reserved steel bars correspond to one another; the installation position of the sideforms 6 is determined according to the specification of the precast column 1 so that the periphery of the precast node concrete part is flush with the periphery of the precast column 1.
And 2, providing a plurality of positioning keys 61, arranging the positioning keys 61 according to corresponding installation positions and fixing the positioning keys 61 on the bottom template 4, so that positioning grooves 62 are formed among the positioning keys 61.
the plurality of screw hole discs 71 are arranged on the bottom template 4 according to corresponding installation positions, the corrugated pipe 72 is sleeved on the steel pipe 73, the bottom end of the screw 74 is inserted into the first through hole and screwed to the screw hole discs 71, and meanwhile, the bottom end of the steel pipe 73 is sleeved on the screw hole discs 71, so that the top end of the screw 74 extends out of the baffle plate 75 through the first through hole.
Preferably, when the corrugated tube 72 is sleeved on the steel tube 73, a flexible plugging material is filled between the end of the steel tube 73 and the corrugated tube 72. To improve the fixity of the corrugated pipe 72 and to prevent slurry leakage at the concrete casting corrugated pipe site.
And 4, inserting the prefabricated node steel ribs into the positioning grooves 62, fixing prefabricated node brackets around the prefabricated node steel ribs, and fixing prefabricated node stirrups.
Specifically, in order to facilitate the stirrup to pass through the prefabricated node bracket, the stirrup is preferably a stirrup with two open ends and is fixed in a relative welding manner.
And 5, providing the side template 5, forming a hole for the prefabricated node bracket to pass through on the side template 5, and installing the side template 5 to a corresponding installation position on the bottom template 4 along the circumferential direction of the bottom template 4.
Preferably, after the mold assembly is performed and all the mold plates are fixed, a screw positioning plate 76 is provided, a second through hole is opened on the screw positioning plate 76, the top end of the screw 74 is penetrated out through the second through hole and fastened by a nut, and both ends of the screw positioning plate 76 are fixed with the top end of the side mold plate 5. So as to effectively fix the top end of the steel pipe 73 and further ensure the positioning accuracy.
And 6, pouring concrete in the surrounding space of the side template 5. And after the pouring is finished, removing the template, only keeping the corrugated pipe 72 as a reserved channel, checking whether the reserved channel is smooth, and finally finishing the maintenance and acceptance of the prefabricated node.
As a preferred embodiment:
a C-shaped keyway template 41 is fixed on the bottom template 4, and a cavity 42 is formed between the bottom template 4 and the C-shaped keyway template 41;
after the prefabricated node steel ribs are inserted into the positioning grooves 62 and before prefabricated node stirrup binding is performed, a reserved pipe 81 is provided, the bottom end of the reserved pipe 81 penetrates through any one of the positioning keys 61 and the C-shaped keyway template 41 and is inserted into the cavity 42, and the top elevation of the reserved pipe 81 is not lower than that of the side template 5.
Through the measures, the post-pouring space is increased when the prefabricated node is connected with the prefabricated column, and the connection stability of the prefabricated node and the prefabricated pile is ensured.
While the present invention has been described in detail and with reference to the embodiments thereof as illustrated in the accompanying drawings, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the invention is to be determined by the appended claims.
Claims (10)
1. A prefabricated node mould of an assembled steel-concrete hybrid frame structure, comprising:
a bottom template;
the side die plate is fixed on the bottom die plate along the circumferential direction of the bottom die plate, and holes for the prefabricated node brackets to extend out are formed in the side die plate;
the first positioning assembly comprises a plurality of positioning keys which are arranged and fixed on the bottom template, and positioning grooves for inserting the prefabricated node steel ribs are formed among the positioning keys;
second locating component, second locating component includes a plurality of screw disks, a plurality of bellows, a plurality of steel pipe and a plurality of screw rod that the one-to-one set up, and is a plurality of the screw disk is laid on the die block board, the bellows cup joint in the steel pipe, the bottom cover of steel pipe is located the screw disk, the top elevation of steel pipe is not less than the top elevation of side form board, just the top of steel pipe is fixed with the baffle, first through-hole has been seted up on the baffle, the bottom of screw rod is inserted first through-hole and spiral shell are close extremely the screw disk, the top warp of screw rod first through-hole extends the baffle.
2. The prefabricated node mould of an assembled steel-concrete hybrid frame structure of claim 1, wherein a plurality of C-shaped key groove formworks for fixing the positioning keys are fixed on the bottom formwork, a cavity is formed between the bottom formwork and the C-shaped key groove formworks, the prefabricated node mould further comprises a reserved pipe, the bottom end of the reserved pipe penetrates through any positioning key and the C-shaped key groove formworks and is inserted into the cavity, and the height of the top of the reserved pipe is not lower than that of the top of the side formwork.
3. The prefabricated node mold of an assembled steel-concrete hybrid frame structure of claim 1, wherein the second positioning assembly further comprises a screw positioning plate, the screw positioning plate is provided with a second through hole, the top end of the screw penetrates through the second through hole and is fastened through a nut, and the two ends of the screw positioning plate are fixed to the top ends of the side formworks.
4. The prefabricated node mold of an assembled steel-concrete hybrid frame structure of claim 1, wherein a flexible plugging material is filled between an end of the steel pipe and the corrugated pipe.
5. The prefabricated node mold of an assembled steel-concrete hybrid frame structure of claim 1, wherein said positioning keys are four in number, and four of said positioning keys are arranged in a matrix form and form said positioning grooves in a cross shape.
6. The prefabricated node mold of an assembled steel-concrete hybrid frame structure of claim 1, wherein a plurality of said positioning keys are arranged and fixed to a middle portion of said bottom form, and a plurality of said screw hole plates are arranged at inner sides of said side forms at regular intervals in a circumferential direction of said bottom form.
7. A production method of a prefabricated node of an assembly type steel-concrete mixed frame structure is characterized by comprising the following steps:
providing a bottom template, performing paying-off operation on the bottom template, and determining the installation positions of a plurality of positioning keys, a plurality of screw hole discs and a side template;
providing a plurality of positioning keys, arranging the positioning keys according to corresponding installation positions and fixing the positioning keys on the bottom template, so that positioning grooves are formed among the positioning keys;
providing a plurality of screw hole discs, a plurality of corrugated pipes, a plurality of steel pipes and a plurality of screws which are the same in number and correspond one to one, wherein the top elevation of each steel pipe is not lower than that of each side template, a baffle is fixed at the top end of each steel pipe, and a first through hole is formed in each baffle;
arranging a plurality of screw hole discs on the bottom template according to corresponding installation positions, sleeving the corrugated pipe on the steel pipe, inserting the bottom end of the screw rod into the first through hole and screwing the bottom end of the screw rod to the screw hole discs, and sleeving the bottom end of the steel pipe on the screw hole discs to enable the top end of the screw rod to extend out of the baffle plate through the first through hole;
inserting the prefabricated node steel ribs into the positioning grooves, fixing prefabricated node brackets around the prefabricated node steel ribs, and then fixing prefabricated node stirrups;
providing the side formworks, wherein the side formworks are provided with holes for the prefabricated node brackets to pass through, and the side formworks are installed at corresponding installation positions on the bottom formworks along the circumferential direction of the bottom formworks;
and pouring concrete in the surrounding space of the side template.
8. The prefabricated node production method of an assembled steel-concrete hybrid frame structure of claim 7, wherein:
a C-shaped key groove template is fixed on the bottom template, and a cavity is formed between the bottom template and the C-shaped key groove template;
after inserting the prefabricated node reinforcing bars into the positioning grooves and before binding the prefabricated node stirrups, a reserved pipe is provided, the bottom end of the reserved pipe penetrates through any positioning key and the C-shaped key groove template and is inserted into the cavity, and the top elevation of the reserved pipe is not lower than that of the side template.
9. A prefabricated node production method of an assembled steel-concrete hybrid frame structure according to claim 7, wherein, after the installation of the sideforms and before the concrete casting: and providing a screw positioning plate, wherein a second through hole is formed in the screw positioning plate, the top end of the screw penetrates out of the second through hole and is fastened through a nut, and two ends of the screw positioning plate are fixed with the top end of the side template.
10. A prefabricated node production method of an assembled steel-concrete hybrid frame structure according to claim 7, wherein a flexible plugging material is filled between an end of the steel pipe and the corrugated pipe when the corrugated pipe is coupled to the steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110405376.0A CN113103429B (en) | 2021-04-15 | 2021-04-15 | Prefabricated node mould of assembled steel-concrete mixed frame structure and production method |
Applications Claiming Priority (1)
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| CN113103429B (en) | 2022-10-04 |
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