CN219045169U - Assembled prefabricated reinforced concrete independent column foundation - Google Patents

Assembled prefabricated reinforced concrete independent column foundation Download PDF

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Publication number
CN219045169U
CN219045169U CN202223560193.5U CN202223560193U CN219045169U CN 219045169 U CN219045169 U CN 219045169U CN 202223560193 U CN202223560193 U CN 202223560193U CN 219045169 U CN219045169 U CN 219045169U
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China
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prefabricated
foundation
groove
nuts
reinforced concrete
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CN202223560193.5U
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Chinese (zh)
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曲任权
彭卫星
刘芳
张明江
许紫刚
夏宗尧
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Cccc Fourth Highway Engineering Co Ltd No 2 Construction Engineering Co ltd
East China Jiaotong University
CCCC Construction Group Co Ltd
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Cccc Fourth Highway Engineering Co Ltd No 2 Construction Engineering Co ltd
East China Jiaotong University
CCCC Construction Group Co Ltd
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Application filed by Cccc Fourth Highway Engineering Co Ltd No 2 Construction Engineering Co ltd, East China Jiaotong University, CCCC Construction Group Co Ltd filed Critical Cccc Fourth Highway Engineering Co Ltd No 2 Construction Engineering Co ltd
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Abstract

The utility model discloses an assembled prefabricated reinforced concrete independent column foundation, which comprises a foundation column body, wherein the foundation column body is used for installing a prefabricated longitudinal beam and a prefabricated cross beam which is arranged oppositely; the foundation column body is internally embedded with a plurality of anchor bolts and a plurality of reinforcing steel bars, and the anchor bolts and the reinforcing steel bars extend out of the top of the foundation column body; the steel bar is provided with a clamping piece which is detachably connected with the embedded steel bar of the prefabricated beam; the anchor bolts are connected with a plurality of first nuts and a plurality of second nuts in a threaded manner, a plurality of connecting lugs which are arranged in one-to-one correspondence with the anchor bolts are fixedly connected to the bottom of the side wall of the prefabricated longitudinal beam, the anchor bolts penetrate through the connecting lugs, and the connecting lugs are located between the plurality of first nuts and the plurality of second nuts. The utility model can strengthen the positioning stability of the prefabricated longitudinal beam and the prefabricated transverse beam, and can strengthen the connection stability between the foundation column and the prefabricated longitudinal beam and the prefabricated transverse beam.

Description

Assembled prefabricated reinforced concrete independent column foundation
Technical Field
The utility model relates to the technical field of assembled buildings, in particular to an assembled prefabricated reinforced concrete independent column foundation.
Background
The prefabricated concrete structure is produced in a workshop standardized mode, so that the construction period of a construction site can be effectively shortened, the labor cost is reduced, meanwhile, the environmental pollution caused by site construction can be reduced, and the prefabricated concrete structure is more and more widely applied to the field of building engineering.
The Chinese patent with the publication number of CN217480619U discloses an assembled prefabricated reinforced concrete independent column foundation, which comprises a pre-supporting column, a plurality of reserved reinforcing bars and a plurality of connecting columns, wherein the reserved reinforcing bars at the end part of a prefabricated concrete beam are transversely inserted into the reserved reinforcing bars at the upper end of the pre-supporting column during construction, concrete pouring is carried out on nodes, and the connecting columns are inserted into mounting holes on the prefabricated longitudinal steel beams after the pouring is finished and are fixedly mounted through nuts; the connecting column and the pre-supporting column are fixedly installed only through nuts, the connection stability between the connecting column and the pre-supporting column is low, when the node is poured, the prefabricated concrete beam is not positioned, the positioning stability is poor, the position in the pouring process is easy to deviate, and the traditional fixing mode is that the steel bars at the connecting position are bundled, so that the operation is complex.
For this purpose, an assembled prefabricated reinforced concrete independent column foundation is proposed.
Disclosure of Invention
The utility model aims to provide an assembled prefabricated reinforced concrete independent column foundation, which aims to solve or improve at least one of the technical problems.
In order to achieve the above object, the present utility model provides the following solutions: the utility model provides an assembled prefabricated reinforced concrete independent column foundation, which comprises a foundation column body, wherein the foundation column body is used for installing a prefabricated longitudinal beam and a prefabricated cross beam which is arranged oppositely;
a plurality of anchor bolts and a plurality of reinforcing steel bars are buried in the foundation column body, and the anchor bolts and the reinforcing steel bars extend out of the top of the foundation column body; the clamping piece is arranged on the steel bar and is detachably connected with the embedded steel bar of the prefabricated beam;
the anchor bolt is connected with a plurality of first nuts and a plurality of second nuts in a threaded manner, a plurality of connecting lugs which are arranged in one-to-one correspondence with the anchor bolts are fixedly connected to the bottom of the side wall of the prefabricated longitudinal beam, the anchor bolts penetrate through the connecting lugs, and the connecting lugs are located between the first nuts and the second nuts.
Preferably, the fastener comprises a fixed block fixedly connected to the reinforcing steel bar, a sliding groove is formed in the fixed block, a first sliding block is connected in the sliding groove in a sliding mode, the first sliding block stretches out of the sliding groove and is fixedly connected with a connecting block, a clamping groove is formed in the connecting block, an elastic clamping key is arranged in the clamping groove, the elastic clamping key is detachably connected with the embedded reinforcing steel bar of the precast beam, and the clamping groove is connected with the embedded reinforcing steel bar of the precast beam in a clamping mode.
Preferably, two grooves are formed in the groove walls opposite to the clamping groove;
the elastic clamping key comprises a second sliding block which is slidably connected in the groove, a spring is fixedly connected between the second sliding block and the groove, the second sliding block extends out of the groove, one end, close to the notch of the clamping groove, of the second sliding block is an inclined surface, and one end, far away from the notch of the clamping groove, of the second sliding block is abutted to the embedded steel bars of the prefabricated cross beam.
Preferably, the shear groove is formed in the top of the foundation column body, the shear key is fixedly connected to the bottom of the prefabricated longitudinal beam and is located right above the shear groove, and a gap is formed between the shear key and the shear groove.
Preferably, a plurality of first nuts are positioned between the connecting lugs and the top of the foundation column body, and the total height of the plurality of first nuts is 40mm-80mm.
Preferably, the clearance distance between the shear key and the shear groove is 40mm-80mm.
Preferably, the number of the anchor bolts is not less than 4.
The utility model discloses the following technical effects: according to the utility model, a foundation column body is placed at a designated position, a plurality of first nuts are arranged on a foundation anchor bolt, then a prefabricated longitudinal beam is arranged, a connecting ear sleeve is arranged on the foundation anchor bolt, and then a second nut is arranged on the foundation anchor bolt to position the prefabricated longitudinal beam, and gaps exist between the prefabricated longitudinal beam and the foundation column body under the action of the plurality of first nuts, so that concrete pouring connection is facilitated; then placing two precast beams on two sides of the top of the foundation column body, enabling embedded bars of the precast beams to be close to the bars of the foundation column body, connecting clamping pieces with the embedded bars of the precast beams, positioning the precast beams, and finally pouring gaps among the foundation column body, the precast longitudinal beams and the precast beams by using concrete to form stable connection; the utility model can strengthen the positioning stability of the prefabricated longitudinal beam and the prefabricated transverse beam, and can strengthen the connection stability of the foundation column body, the prefabricated longitudinal beam and the prefabricated transverse beam.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the installation of a foundation column with prefabricated stringers and beams of the present utility model;
FIG. 2 is an enlarged view of a portion of FIG. 1A;
FIG. 3 is a schematic view of the structure of the shear groove and shear key of the present utility model;
FIG. 4 is a schematic view of the structure of the elastic card key of the present utility model;
FIG. 5 is a schematic view of a first slider according to the present utility model;
wherein, 1, a basic column body; 2. prefabricating longitudinal beams; 3. prefabricating a cross beam; 4. a foot anchor bolt; 5. reinforcing steel bars; 6. a first nut; 7. a second nut; 8. a connecting lug; 9. a fixed block; 10. a chute; 11. a first slider; 12. a connecting block; 13. a clamping groove; 14. a groove; 15. a second slider; 16. a spring; 17. a shear groove; 18. shear key.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1 to 5, the present utility model provides an assembled prefabricated reinforced concrete independent column foundation, comprising a foundation column 1, wherein the foundation column 1 is used for installing a prefabricated longitudinal beam 2 and a prefabricated cross beam 3 which is arranged oppositely; the prefabricated longitudinal beam 2 is positioned between the two prefabricated cross beams 3; the foundation column 1, the prefabricated longitudinal beam 2 and the prefabricated cross beam 3 are of reinforced concrete structures;
a plurality of anchor bolts 4 and a plurality of reinforcing steel bars 5 are buried in the foundation column 1, and the anchor bolts 4 and the reinforcing steel bars 5 extend out of the top of the foundation column 1; the steel bar 5 is provided with a clamping piece which is detachably connected with the embedded steel bar of the precast beam 3; the steel bars 5 are positioned at two sides of the foundation column 1 and are used for being connected with the two prefabricated cross beams 3;
the anchor bolts 4 are connected with a plurality of first nuts 6 and a plurality of second nuts 7 in a threaded manner, a plurality of connecting lugs 8 which are arranged in one-to-one correspondence with the anchor bolts 4 are fixedly connected to the bottom of the side wall of the prefabricated longitudinal beam 2, the anchor bolts 4 penetrate through the connecting lugs 8, and the connecting lugs 8 are positioned between the plurality of first nuts 6 and the plurality of second nuts 7;
according to the utility model, a foundation column 1 is placed at a designated position, a plurality of first nuts 6 are installed on a foundation anchor 4, then a prefabricated longitudinal beam 2 is installed, a connecting lug 8 is sleeved on the foundation anchor 4, then a second nut 7 is installed on the foundation anchor 4, the prefabricated longitudinal beam 2 is positioned, and gaps exist between the prefabricated longitudinal beam 2 and the foundation column 1 under the action of the plurality of first nuts 6, so that concrete pouring connection is facilitated; then placing two precast beams 3 on two sides of the top of the foundation column 1, enabling embedded bars of the precast beams 3 to be close to the embedded bars of the foundation column 1, connecting clamping pieces with the embedded bars of the precast beams 3, positioning the precast beams 3, and finally pouring gaps among the foundation column 1, the precast longitudinal beams 2 and the precast beams 3 by using concrete to form stable connection; the utility model can strengthen the positioning stability of the prefabricated longitudinal beam 2 and the prefabricated transverse beam 3, and can strengthen the connection stability of the foundation column 1, the prefabricated longitudinal beam 2 and the prefabricated transverse beam 3.
In a further optimization scheme, the clamping piece comprises a fixed block 9 fixedly connected to the steel bar 5, a sliding groove 10 is formed in the fixed block 9, a first sliding block 11 is connected in the sliding groove 10 in a sliding mode, the first sliding block 11 extends out of the sliding groove 10 and is fixedly connected with a connecting block 12, a clamping groove 13 is formed in the connecting block 12, an elastic clamping key is arranged in the clamping groove 13 and is detachably connected with the embedded steel bar of the prefabricated beam 3, and the clamping groove 13 is in clamping connection with the embedded steel bar of the prefabricated beam 3;
two grooves 14 are formed on the opposite groove walls of the clamping groove 13;
the elastic clamping key comprises a second sliding block 15 which is connected in the groove 14 in a sliding way, a spring 16 is fixedly connected between the second sliding block 15 and the groove 14, the second sliding block 15 extends out of the groove 14, one end of the second sliding block 15, which is close to a notch of the clamping groove 13, is an inclined surface, and one end of the second sliding block 15, which is far away from the notch of the clamping groove 13, is abutted against embedded bars of the precast beam 3;
placing the prefabricated cross beam 3 on the top of the foundation column 1, enabling the steel bars of the prefabricated cross beam 3 to be close to the steel bars 5 of the foundation column 1, pulling the connecting block 12 towards the direction of the steel bars close to the prefabricated cross beam 3, enabling the first sliding block 11 to slide in the sliding groove 10, enabling the inclined surface of the second sliding block 15 to be abutted against the steel bars of the prefabricated cross beam 3, enabling the steel bars of the prefabricated cross beam 3 to form extrusion on the inclined surface of the second sliding block 15 along with continuous pulling of the connecting block 12, enabling the second sliding block 15 to be extruded into the groove 14, compressing the spring 16, enabling the steel bars of the prefabricated cross beam 3 to be clamped in the clamping groove 13, enabling the extrusion force to be lost for the second sliding block 15, enabling the second sliding block 15 to slide outwards under the action of the spring 16, and enabling the second sliding block 15 to be abutted against the outer sides of the steel bars of the prefabricated cross beam 3;
according to a further optimization scheme, a shear groove 17 is formed in the top of the foundation column body 1, shear keys 18 are fixedly connected to the bottom of the prefabricated longitudinal beam 2, the shear keys 18 are located right above the shear groove 17, and a gap is formed between the shear keys 18 and the shear groove 17; by providing the shear groove 17, the shear resistance of the foundation column 1 and the prefabricated stringers 2 is increased.
According to a further optimization scheme, the first nuts 6 are located between the connecting lugs 8 and the top of the foundation column 1, the total height of the first nuts 6 is 40-80 mm, and follow-up pouring is facilitated.
Further optimizing scheme, the clearance distance between the shear key 18 and the shear groove 17 is 40mm-80mm.
Further optimizing scheme, the number of the anchor bolts 4 is not less than 4.
In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.

Claims (7)

1. An assembled prefabricated reinforced concrete independent column foundation which is characterized in that: the device comprises a foundation column body (1), wherein the foundation column body (1) is used for installing a prefabricated longitudinal beam (2) and a prefabricated transverse beam (3) which is oppositely arranged;
a plurality of anchor bolts (4) and a plurality of reinforcing steel bars (5) are embedded in the foundation column body (1), and the anchor bolts (4) and the reinforcing steel bars (5) extend out of the top of the foundation column body (1); the clamping piece is arranged on the steel bar (5) and is detachably connected with the embedded steel bar of the prefabricated beam (3);
threaded connection has a plurality of first nuts (6) and a plurality of second nuts (7) on rag bolt (4), prefabricated longeron (2) lateral wall bottom rigid coupling have a plurality of with rag bolt (4) one-to-one set up engaging lug (8), rag bolt (4) run through engaging lug (8), engaging lug (8) are located a plurality of between first nut (6) and a plurality of second nuts (7).
2. The fabricated, precast, reinforced concrete, self-contained column foundation of claim 1, wherein: the clamping piece comprises a fixed block (9) fixedly connected to the steel bar (5), a sliding groove (10) is formed in the fixed block (9), a first sliding block (11) is connected in the sliding groove (10) in a sliding mode, the first sliding block (11) stretches out of the sliding groove (10) and is fixedly connected with a connecting block (12), a clamping groove (13) is formed in the connecting block (12), an elastic clamping key is arranged in the clamping groove (13), the elastic clamping key is detachably connected with embedded steel bars of the prefabricated beam (3), and the clamping groove (13) is connected with the embedded steel bars of the prefabricated beam (3) in a clamping mode.
3. The fabricated, precast reinforced concrete independent column foundation of claim 2, wherein: two grooves (14) are formed in the groove walls opposite to the clamping groove (13);
the elastic clamping key comprises a second sliding block (15) which is slidably connected in the groove (14), a spring (16) is fixedly connected between the second sliding block (15) and the groove (14), the second sliding block (15) stretches out of the groove (14), one end, close to a notch of the clamping groove (13), of the second sliding block (15) is an inclined surface, and one end, far away from the notch of the clamping groove (13), of the second sliding block (15) is in butt joint with embedded bars of the prefabricated cross beam (3).
4. The fabricated, precast, reinforced concrete, self-contained column foundation of claim 1, wherein: shear grooves (17) are formed in the tops of the foundation columns (1), shear keys (18) are fixedly connected to the bottoms of the prefabricated longitudinal beams (2), the shear keys (18) are located right above the shear grooves (17), and gaps are formed between the shear keys (18) and the shear grooves (17).
5. The fabricated, precast, reinforced concrete, self-contained column foundation of claim 1, wherein: the first nuts (6) are positioned between the connecting lugs (8) and the top of the foundation column body (1), and the total height of the first nuts (6) is 40-80 mm.
6. The fabricated, precast, reinforced concrete independent column foundation of claim 4, wherein: the clearance distance between the shear key (18) and the shear groove (17) is 40mm-80mm.
7. The fabricated, precast, reinforced concrete, self-contained column foundation of claim 1, wherein: the number of the anchor bolts (4) is not less than 4.
CN202223560193.5U 2022-12-30 2022-12-30 Assembled prefabricated reinforced concrete independent column foundation Active CN219045169U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223560193.5U CN219045169U (en) 2022-12-30 2022-12-30 Assembled prefabricated reinforced concrete independent column foundation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223560193.5U CN219045169U (en) 2022-12-30 2022-12-30 Assembled prefabricated reinforced concrete independent column foundation

Publications (1)

Publication Number Publication Date
CN219045169U true CN219045169U (en) 2023-05-19

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ID=86321586

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223560193.5U Active CN219045169U (en) 2022-12-30 2022-12-30 Assembled prefabricated reinforced concrete independent column foundation

Country Status (1)

Country Link
CN (1) CN219045169U (en)

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