CN112761307A - Prefabricated reinforced concrete column node connecting device - Google Patents
Prefabricated reinforced concrete column node connecting device Download PDFInfo
- Publication number
- CN112761307A CN112761307A CN202110091066.6A CN202110091066A CN112761307A CN 112761307 A CN112761307 A CN 112761307A CN 202110091066 A CN202110091066 A CN 202110091066A CN 112761307 A CN112761307 A CN 112761307A
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- Prior art keywords
- steel column
- prefabricated
- column
- shoe
- fixedly connected
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
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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
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
- E04B1/21—Connections specially adapted therefor
-
- 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
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/162—Connectors or means for connecting parts for reinforcements
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a prefabricated reinforced concrete column joint connecting device which comprises an upper prefabricated column body, wherein a plurality of upper prefabricated column main reinforcements are fixedly connected inside the upper prefabricated column body, the bottom of each upper prefabricated column main reinforcement is fixedly connected with a steel column shoe body, each steel column shoe body comprises an upper steel column shoe cover plate, each upper steel column shoe cover plate is fixedly welded at the bottom of each upper prefabricated column main reinforcement, the bottom of each upper steel column shoe cover plate is fixedly connected with an inner steel column shoe stiffening rib, the bottom of each inner steel column shoe stiffening rib is fixedly connected with a lower steel column shoe bottom plate, a plurality of reserved bolt holes are formed in each lower steel column shoe bottom plate, and a plurality of inner steel column shoe stiffening ribs are fixedly connected to the side walls of the inner steel column shoe stiffening ribs; compared with the prior art, the screw thread manufacturing procedure of steel column boots, steel bar welding, drilling processing, reinforcing bar tip in the utility model is all prefabricated the completion in the mill, and the standardized degree of steel column boots is high, and convenient batch production compares in traditional mode, has thoroughly avoided on-the-spot welding, grouting material to pour and detect the scheduling problem.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a prefabricated reinforced concrete column joint connecting device.
Background
In order to adjust the structure of the building industry, improve the building quality, accelerate the construction speed, realize energy conservation and environmental protection and reduce the construction cost, the nation proposes to widely popularize the assembly type building, and a specific implementation plan is made clear; the prefabricated reinforced concrete column joint connecting device is required to be widely applied to a reinforced concrete frame structure, a reinforced concrete frame shear wall structure, a steel structure and a steel-concrete combined structure system, and the assembly type building structure system and the application field in China are definite, but the welding, grouting material pouring, detection and the like are carried out on a construction site, so that time and labor are wasted, and the quality acceptance guarantee is not high, so that the prefabricated reinforced concrete column joint connecting device is provided for solving the problems.
Disclosure of Invention
The invention aims to provide a prefabricated reinforced concrete column joint connecting device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a prefabricated reinforced concrete column joint connecting device comprises an upper prefabricated column body, wherein a plurality of upper prefabricated column main reinforcements are fixedly connected inside the upper prefabricated column body, a steel column shoe body is fixedly connected to the bottom of each upper prefabricated column main reinforcement, each steel column shoe body comprises a steel column shoe upper cover plate, each steel column shoe upper cover plate is fixedly welded to the bottom of each upper prefabricated column main reinforcement, a steel column shoe inner stiffening rib is fixedly connected to the bottom of each steel column shoe upper cover plate, a steel column shoe lower base plate is fixedly connected to the bottom of each steel column shoe inner stiffening rib, a plurality of reserved bolt holes are formed in each steel column shoe lower base plate, a plurality of steel column shoe stiffening ribs are fixedly connected to the side walls of the steel column shoe inner stiffening ribs, each steel column shoe stiffening rib is fixedly connected between each steel column shoe upper cover plate and each steel column shoe lower base plate, a lower prefabricated column main reinforcement is inserted into each reserved bolt hole, and a threaded shaft is fixedly connected to each lower prefabricated column main reinforcement, one end of the threaded shaft is in threaded sleeve connection with a fastening nut, a first nut gasket is arranged at the bottom of the fastening nut, one end of the first nut gasket is abutted against the bottom surface of the fastening nut, the other end of the first nut gasket is abutted against the upper surface of a lower steel column shoe bottom plate, one end of the threaded shaft is in threaded sleeve connection with a leveling nut, a second nut gasket is arranged at the bottom of the leveling nut, one end of the second nut gasket is abutted against the upper surface of the leveling nut, the other end of the second nut gasket is abutted against the bottom surface of the lower steel column shoe bottom plate, a lower prefabricated column body is fixedly connected onto the lower prefabricated column main rib, after the welding of the steel column shoe body is completed, an upper prefabricated column main rib is welded onto an upper steel column shoe cover plate, the steel column shoe body is arranged at the lower end of the upper prefabricated column main rib, stirrups are bound, a formwork erecting and concrete is poured, the processing of the upper, and finishing the production of the lower prefabricated column body, installing the leveling nut of the lower prefabricated column main rib in place, hoisting the upper prefabricated column body, inserting the reserved bolt hole into the lower prefabricated column main rib in an aligning manner, adjusting the leveling nut after in place, installing the fastening nut after no mistake is made, and screwing up to finish the installation.
Preferably, the upper precast column body and the lower precast column body are both formed by pouring concrete, and the strength of the concrete can be determined according to actual requirements.
Preferably, the thicknesses of the upper cover plate of the steel column boot and the lower base plate of the steel column boot are not smaller than the diameters of the main ribs of the upper prefabricated column and the main ribs of the lower prefabricated column, and the stability of the device can be enhanced.
Preferably, the inner diameter of the reserved bolt hole is larger than the diameter of the lower prefabricated column main rib by two millimeters, so that the lower prefabricated column main rib can be conveniently and subsequently installed and fixed.
Preferably, the upper cover plate of the steel column shoe and the main rib of the upper prefabricated column are connected through the perforated plug welding, so that the rotating shaft has better stability.
Preferably, a chamfer is fixedly arranged at one end of the threaded shaft, so that the situation that an operator scratches when mounting a fastening nut due to accidents is avoided.
Compared with the prior art, the invention has the beneficial effects that:
1. the steel column boots, the steel bar welding, the drilling processing and the thread processing procedures of the end parts of the steel bars are all prefabricated and finished in a factory, the standardization degree of the steel column boots is high, the batch production is convenient, and compared with the traditional mode, the problems of field welding, grouting material pouring, detection and the like are thoroughly avoided;
2. the utility model has the advantages of simple field assembly process, low technical requirement of workers, high construction speed, stable and reliable structure and guaranteed quality acceptance; the steel column boot has reliable force transmission mechanism and clear force transmission path, can ensure that the upper column section and the lower column section have good common working performance, and ensures the safety of the whole structure system.
Drawings
FIG. 1 is a schematic structural view of an assembled precast column node of the present invention;
FIG. 2 is a schematic view of the connection between the upper prefabricated column steel bars and the steel column shoes according to the present invention;
FIG. 3 is a schematic illustration of a steel column shoe construction of the present invention;
FIG. 4 is a cross-sectional schematic view of a steel column shoe construction of the present invention;
FIG. 5 is a schematic view of the lower precast column rebar end thread of the present invention;
FIG. 6 is a schematic view of the connection between the lower precast column steel bar and the steel column shoe according to the present invention;
in the figure: 1. an upper prefabricated column body; 2. a lower prefabricated column body; 3. prefabricating column main ribs; 4. lower prefabricated column main reinforcement; 5. a steel column boot body; 6. an upper cover plate of the steel column shoe; 7. a steel column boot lower bottom plate; 8. a steel column shoe stiffener; 9. stiffening ribs in the steel column shoe; 10. fastening a nut; 11. a first nut washer; 12. a leveling nut; 13. reserving bolt holes; 14. a threaded shaft; 15. a second nut washer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: a prefabricated reinforced concrete column joint connecting device comprises an upper prefabricated column body 1, a plurality of upper prefabricated column main reinforcements 3 are fixedly connected inside the upper prefabricated column body 1, a steel column shoe body 5 is fixedly connected to the bottom of each upper prefabricated column main reinforcement 3, each steel column shoe body 5 comprises a steel column shoe upper cover plate 6, each steel column shoe upper cover plate 6 is fixedly welded to the bottom of each upper prefabricated column main reinforcement 3, a steel column shoe inner stiffening rib 9 is fixedly connected to the bottom of each steel column shoe upper cover plate 6, a steel column shoe lower base plate 7 is fixedly connected to the bottom of each steel column shoe inner stiffening rib 9, a plurality of reserved bolt holes 13 are formed in each steel column shoe lower base plate 7, a plurality of steel column shoe stiffening ribs 8 are fixedly connected to the side wall of each steel column shoe inner stiffening rib 9, each steel column shoe stiffening rib 8 is fixedly connected between each steel column shoe upper cover plate 6 and each steel column shoe lower base plate 7, a lower prefabricated column main reinforcement 4 is inserted into each reserved bolt hole 13, a threaded shaft 14, one end of a threaded shaft 14 is in threaded sleeve connection with a fastening nut 10, the bottom of the fastening nut 10 is provided with a first nut gasket 11, one end of the first nut gasket 11 abuts against the bottom surface of the fastening nut 10, the other end of the first nut gasket 11 abuts against the upper surface of a steel column boot lower base plate 7, one end of the threaded shaft 14 is in threaded sleeve connection with a leveling nut 12, the bottom of the leveling nut 12 is provided with a second nut gasket 15, one end of the second nut gasket 15 abuts against the upper surface of the leveling nut 12, the other end of the second nut gasket 15 abuts against the bottom surface of the steel column boot lower base plate 7, a lower prefabricated column body 2 is fixedly connected to a lower prefabricated column main rib 4, after the welding of the steel column boot body 5 is completed, an upper prefabricated column main rib 3 is welded to a steel column boot upper cover plate 6, the steel column boot body 5 is arranged at the lower end of the upper prefabricated column main rib 3, stirrups, a mold is erected, concrete is poured, the machining of the, and (3) finishing the production of the lower prefabricated column body 2, installing the leveling nuts 12 of the lower prefabricated column main ribs 4 in place, hoisting the upper prefabricated column body 1, aligning the reserved bolt holes 13 to the lower prefabricated column main ribs 4 to penetrate, adjusting the leveling nuts 12 in place, installing the fastening nuts 10 after the leveling nuts are correct, and screwing to finish the installation.
The upper prefabricated column body 1 and the lower prefabricated column body 2 are both formed by pouring concrete, and the strength of the concrete can be determined according to actual requirements.
The thickness of the steel column shoe upper cover plate 6 and the thickness of the steel column shoe lower bottom plate 7 are not smaller than the diameters of the upper prefabricated column main rib 3 and the lower prefabricated column main rib 4, and the stability of the device can be enhanced.
The inner diameter of the reserved bolt hole 13 is two millimeters larger than the diameter of the lower prefabricated column main rib 4, so that the lower prefabricated column main rib 4 can be conveniently and subsequently installed and fixed.
The upper cover plate 6 of the steel column shoe and the main rib 3 of the upper prefabricated column are connected by perforation plug welding, so that the rotating shaft has better stability.
One end of the threaded shaft 14 is fixedly provided with a chamfer, so that the operator is prevented from scratching the fastening nut 10 due to accidents.
The working principle is as follows: firstly, determining the sizes of an upper prefabricated column main rib 3 and a lower prefabricated column main rib 4 according to the design requirements, then determining the sizes of a steel column boot upper cover plate 6 and a steel column boot lower base plate 7 according to the sizes of the upper prefabricated column main rib 3 and the lower prefabricated column main rib 4, wherein the thicknesses of the steel column boot upper cover plate 6 and the steel column boot lower base plate 7 are not smaller than the diameters of the upper prefabricated column main rib 3 and the lower prefabricated column main rib 4, then drilling a plurality of reserved bolt holes 13 on the steel column boot lower base plate 7, wherein the inner diameters of the reserved bolt holes 13 are two millimeters larger than the diameter of the lower prefabricated column main rib 4, after the welding of a steel column boot body 5 is completed, welding the upper prefabricated column main rib 3 on the steel column boot upper cover plate 6, adopting perforation plug welding connection to enable a rotating shaft to have better stability, placing the steel column boot body 5 at the lower end of the upper prefabricated column main rib 3, binding ribs, erecting a mold, pouring concrete, and completing the processing of an upper prefabricated column boot, and finally, machining a threaded shaft 14 at the end part of the lower prefabricated column main rib 4 to finish the production of the lower prefabricated column body 2, installing the leveling nut 12 of the lower prefabricated column main rib 4 in place, hoisting the upper prefabricated column body 1, inserting the reserved bolt hole 13 into the lower prefabricated column main rib 4, adjusting the leveling nut 12 after the lower prefabricated column main rib is in place, installing the fastening nut 10 after the upper prefabricated column main rib is error-free, and screwing to finish the installation.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a prefabricated reinforced concrete post node connecting device, includes prefabricated post body (1), its characterized in that: the steel column shoe is characterized in that a plurality of upper prefabricated column main ribs (3) are fixedly connected to the interior of the upper prefabricated column body (1), a steel column shoe body (5) is fixedly connected to the bottom of each upper prefabricated column main rib (3), each steel column shoe body (5) comprises a steel column shoe upper cover plate (6), each steel column shoe upper cover plate (6) is fixedly welded to the bottom of each upper prefabricated column main rib (3), a steel column shoe inner stiffening rib (9) is fixedly connected to the bottom of each steel column shoe upper cover plate (6), a steel column shoe lower base plate (7) is fixedly connected to the bottom of each steel column shoe inner stiffening rib (9), a plurality of reserved bolt holes (13) are formed in each steel column shoe lower base plate (7), a plurality of steel column shoe stiffening ribs (8) are fixedly connected to the side wall of each steel column shoe inner stiffening rib (9), and each steel column shoe stiffening rib (8) is fixedly connected between each steel column shoe upper cover plate (6) and each steel column shoe lower base, a lower prefabricated column main rib (4) is inserted in the reserved bolt hole (13), a threaded shaft (14) is fixedly connected to the lower prefabricated column main rib (4), a fastening nut (10) is sleeved at one end of the threaded shaft (14) in a threaded manner, a first nut gasket (11) is arranged at the bottom of the fastening nut (10), one end of the first nut gasket (11) is propped against the bottom surface of the fastening nut (10), the other end of the first nut gasket (11) is abutted against the upper surface of the steel column shoe lower bottom plate (7), one end of the threaded shaft (14) is sleeved with a leveling nut (12) through a thread, a second nut gasket (15) is arranged at the bottom of the leveling nut (12), one end of the second nut gasket (15) is propped against the upper surface of the leveling nut (12), the other end of the second nut gasket (15) is propped against the bottom surface of the steel column shoe lower bottom plate (7), the lower prefabricated column main rib (4) is fixedly connected with a lower prefabricated column body (2).
2. A prefabricated reinforced concrete column joint connection as claimed in claim 1, wherein: the upper prefabricated column body (1) and the lower prefabricated column body (2) are both formed by pouring concrete.
3. A prefabricated reinforced concrete column joint connection as claimed in claim 1, wherein: the thicknesses of the steel column shoe upper cover plate (6) and the steel column shoe lower base plate (7) are not smaller than the diameters of the upper prefabricated column main rib (3) and the lower prefabricated column main rib (4).
4. A prefabricated reinforced concrete column joint connection as claimed in claim 1, wherein: the inner diameter of the reserved bolt hole (13) is two millimeters larger than the diameter of the lower prefabricated column main rib (4).
5. A prefabricated reinforced concrete column joint connection as claimed in claim 1, wherein: and the upper cover plate (6) of the steel column shoe and the main rib (3) of the upper prefabricated column are connected by adopting perforation plug welding.
6. A prefabricated reinforced concrete column joint connection as claimed in claim 1, wherein: and one end of the threaded shaft (14) is fixedly provided with a chamfer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110091066.6A CN112761307A (en) | 2021-01-22 | 2021-01-22 | Prefabricated reinforced concrete column node connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110091066.6A CN112761307A (en) | 2021-01-22 | 2021-01-22 | Prefabricated reinforced concrete column node connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112761307A true CN112761307A (en) | 2021-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110091066.6A Pending CN112761307A (en) | 2021-01-22 | 2021-01-22 | Prefabricated reinforced concrete column node connecting device |
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| Country | Link |
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| CN (1) | CN112761307A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113756434A (en) * | 2021-09-28 | 2021-12-07 | 湖南大学 | Column-column connection based on groove type UHPC splicing component and manufacturing method thereof |
| CN113882591A (en) * | 2021-09-29 | 2022-01-04 | 深圳市市政工程总公司 | Prefabricated post full assembled mosaic structure |
| CN114703968A (en) * | 2022-04-15 | 2022-07-05 | 宁波良筑幕墙设计咨询有限公司 | Connecting node of concrete structure and steel structure |
| CN115387621A (en) * | 2022-08-11 | 2022-11-25 | 中国能源建设集团西北电力建设甘肃工程有限公司 | Quick positioning and leveling device for column bottom plate |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108797800A (en) * | 2018-06-19 | 2018-11-13 | 福建农林大学 | The prefabricated column connected node of assembly concrete-filled steel tube and its construction method |
| CN112112264A (en) * | 2020-08-18 | 2020-12-22 | 中建三局绿色产业投资有限公司 | Prefabricated column connecting joint for dry connection and construction method |
-
2021
- 2021-01-22 CN CN202110091066.6A patent/CN112761307A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108797800A (en) * | 2018-06-19 | 2018-11-13 | 福建农林大学 | The prefabricated column connected node of assembly concrete-filled steel tube and its construction method |
| CN112112264A (en) * | 2020-08-18 | 2020-12-22 | 中建三局绿色产业投资有限公司 | Prefabricated column connecting joint for dry connection and construction method |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113756434A (en) * | 2021-09-28 | 2021-12-07 | 湖南大学 | Column-column connection based on groove type UHPC splicing component and manufacturing method thereof |
| CN113756434B (en) * | 2021-09-28 | 2024-01-26 | 湖南大学 | Column-column connection based on groove-type UHPC splicing member and manufacturing method thereof |
| CN113882591A (en) * | 2021-09-29 | 2022-01-04 | 深圳市市政工程总公司 | Prefabricated post full assembled mosaic structure |
| CN113882591B (en) * | 2021-09-29 | 2022-08-16 | 深圳市市政工程总公司 | Prefabricated post full assembled mosaic structure |
| CN114703968A (en) * | 2022-04-15 | 2022-07-05 | 宁波良筑幕墙设计咨询有限公司 | Connecting node of concrete structure and steel structure |
| CN115387621A (en) * | 2022-08-11 | 2022-11-25 | 中国能源建设集团西北电力建设甘肃工程有限公司 | Quick positioning and leveling device for column bottom plate |
| CN115387621B (en) * | 2022-08-11 | 2024-04-26 | 中国能源建设集团西北电力建设甘肃工程有限公司 | Quick positioning and leveling device for column bottom plate |
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Application publication date: 20210507 |