CN216810618U - Steel and concrete combined beam - Google Patents
Steel and concrete combined beam Download PDFInfo
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- CN216810618U CN216810618U CN202220223242.7U CN202220223242U CN216810618U CN 216810618 U CN216810618 U CN 216810618U CN 202220223242 U CN202220223242 U CN 202220223242U CN 216810618 U CN216810618 U CN 216810618U
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Abstract
The application discloses steel, concrete composite beam relates to composite beam technical field, including the channel-section steel, be equipped with the concrete beam in the channel-section steel inner chamber, the inside atress muscle that is equipped with of concrete beam, the surface cover of atress muscle is equipped with the stirrup, the stirrup with atress muscle looks butt. This application passes through the threaded rod, the channel-section steel, the sliding ring, cooperation setting between structures such as connecting rod and nut, the threaded rod is predetermine in concrete beam inside before concreting the roof beam, and the sliding ring is established to the cover on the threaded rod, run through behind the channel-section steel with sliding ring bottom fixed connection's connecting rod, connect the channel-section steel in the below of concrete beam through the nut, then pour the concrete beam again, thereby the stability that channel-section steel and concrete beam are connected has been improved greatly, the concrete layer of current channel-section steel generally adoption bolt and the roof beam body has been avoided as far as possible to be connected, during the atress of channel-section steel bottom, lead to the junction to drop easily, thereby influence the problem of the bearing performance of the roof beam body.
Description
Technical Field
The application relates to the technical field of composite beams, in particular to a steel and concrete composite beam.
Background
The beam is supported by the support, and a member which mainly deforms by bending and bears an external force mainly including a lateral force and a shearing force is called a beam. The beam supports the entire weight of the elements of the superstructure and the roof and is the most important part of the superstructure. The beams are named differently according to their specific positions, detailed shapes, specific functions, and the like. Most of the beams are oriented in line with the cross-section of the building.
The stiffening beam bottom generally is equipped with the channel-section steel and supports, and current channel-section steel generally adopts the bolt to be connected with the concrete layer of the roof beam body, when the atress of channel-section steel bottom, leads to the junction to drop easily to influence the bearing performance of the roof beam body.
SUMMERY OF THE UTILITY MODEL
In order to improve the concrete layer that current channel-section steel generally adopted bolt and roof beam body to be connected, when the atress of channel-section steel bottom, lead to the junction to drop easily to influence the bearing performance's of roof beam body problem, this application provides steel, concrete combination roof beam.
The application provides steel, concrete composite beam adopts following technical scheme:
steel, concrete combination beam, including the channel-section steel, be equipped with the concrete beam in the channel-section steel inner chamber, the inside atress muscle that is equipped with of concrete beam, the surface cover of atress muscle is equipped with the stirrup, the stirrup with atress muscle looks butt, the centre of concrete beam is equipped with the threaded rod, threaded rod surface cover is equipped with the sliding ring, the sliding ring with threaded rod sliding connection, the sliding ring is close to one side of channel-section steel inner chamber bottom is equipped with the connecting rod, connecting rod wherein one end with sliding ring fixed connection, the other end of connecting rod runs through the channel-section steel, the connecting rod with channel-section steel sliding connection, the connecting rod is located the outside one of channel-section steel is served to overlap and is equipped with the nut, the nut with connecting rod looks spiro union.
Optionally, a connecting hole is formed in the horizontal section of the channel steel and penetrates through the channel steel, and the inner diameter of the connecting hole is equal to the diameter of the connecting rod.
Optionally, the quantity of atress muscle is a plurality of, and is a plurality of the atress muscle encircles concrete beam evenly distributed, it is a plurality of the surface of atress muscle with interval between the concrete beam surface is not less than three centimeters.
Optionally, the stirrup is rectangular frame column structure, the stirrup cover is located a plurality ofly on the atress muscle surface, the inner wall of stirrup with the surface of atress muscle is laminated mutually.
Optionally, the sliding ring is circular, clamping plates are arranged at two ends of the sliding ring, the diameter of each clamping plate is larger than the inner diameter of the sliding ring, and the clamping plates are in threaded connection with the threaded rods.
Optionally, the connecting rod is of a round rod-shaped structure, an external thread is arranged at one end of the connecting rod, which is far away from the slip ring, and the external thread is matched with an internal thread arranged in the inner cavity of the nut.
Optionally, a gasket is arranged on one side, close to the channel steel, of the nut, the gasket is sleeved on the connecting rod, and the diameter of the gasket is larger than that of the nut.
In conclusion, the beneficial effects of the application are as follows:
this application passes through the threaded rod, the channel-section steel, the sliding ring, cooperation setting between structures such as connecting rod and nut, the threaded rod is predetermine in concrete beam inside before concreting the roof beam, and the sliding ring is established to the cover on the threaded rod, run through behind the channel-section steel with sliding ring bottom fixed connection's connecting rod, connect the channel-section steel in the below of concrete beam through the nut, then pour the concrete beam again, thereby the stability that channel-section steel and concrete beam are connected has been improved greatly, the concrete layer of current channel-section steel generally adoption bolt and the roof beam body has been avoided as far as possible to be connected, during the atress of channel-section steel bottom, lead to the junction to drop easily, thereby influence the problem of the bearing performance of the roof beam body.
Drawings
FIG. 1 is a schematic view of the overall connection structure of the present application;
FIG. 2 is a schematic view of a connection structure of a slip ring and a threaded rod according to the present application;
FIG. 3 is a schematic view of a connection structure of a concrete beam and a channel steel according to the present application;
description of reference numerals: 1. channel steel; 2. connecting holes; 3. a concrete beam; 4. a stress rib; 5. hooping; 6. a threaded rod; 7. a slip ring; 8. a clamping plate; 9. a connecting rod; 10. a nut; 11. and (7) a gasket.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
Referring to fig. 1-3, the steel-concrete composite beam includes a channel 1 for wrapping and supporting, and a concrete beam 3 is disposed in an inner cavity of the channel 1. 3 inside atress muscle 4 that are equipped with of concrete beam, the quantity of atress muscle 4 is a plurality of, and a plurality of atress muscle 4 encircle 3 evenly distributed of concrete beam, and the interval between the surface of a plurality of atress muscle 4 and the 3 surfaces of concrete beam is not less than three centimeters. Can be isolated with 3 inside atress muscle 4 of concrete beam and outside air as far as possible, prevent inside atress muscle 4 oxidation fracture.
The outer surface cover of atress muscle 4 is equipped with stirrup 5, and stirrup 5 is rectangle frame column structure, and on a plurality of 4 surfaces of atress muscle were located to stirrup 5 cover, the inner wall of stirrup 5 laminated with 4 surfaces of atress muscle mutually. The middle of concrete beam 3 is equipped with threaded rod 6, and threaded rod 6 arranges along concrete beam 3's length direction, and 6 surface covers of threaded rod are equipped with sliding ring 7, sliding ring 7 and 6 sliding connection of threaded rod. One side of the sliding ring 7 close to the bottom of the inner cavity of the channel steel 1 is provided with a connecting rod 9, and one end of the connecting rod 9 is fixedly connected with the sliding ring 7. The other end of connecting rod 9 runs through channel-section steel 1, and connecting rod 9 and channel-section steel 1 sliding connection, connecting rod 9 lie in that one of channel-section steel 1 outside is served and is overlapped and be equipped with nut 10, nut 10 and connecting rod 9 looks spiro union. One side of the nut 10 close to the channel steel 1 is provided with a gasket 11, the gasket 11 is sleeved on the connecting rod 9, and the diameter of the gasket 11 is larger than that of the nut 10.
When the concrete beam is used, a mold is prefabricated outside a channel steel 1, a stress bar 4 is laid in the mold, a stirrup 5 is sleeved on the outer surface of the stress bar 4, a threaded rod 6 is arranged at the central position of the stirrup 5, a sliding ring 7 is sleeved on the threaded rod 6, the position of the sliding ring 7 is slid, a connecting rod 9 fixedly connected with the bottom of the sliding ring 7 penetrates through the channel steel 1, the channel steel 1 is connected with the connecting rod 9 through a nut 10, then concrete is poured into the prefabricated mold, after the concrete is compacted and hardened, the channel steel 1 is connected with the threaded rod 6 in the concrete beam 3 through the connecting rod 9 and the sliding ring 7, the fastening degree between the channel steel 1 and the concrete beam 3 is greatly improved, the existing channel steel 1 is prevented from being generally connected with the concrete layer of a beam body through bolts as far as possible, when the bottom of the channel steel 1 is stressed, the joint is easy to fall off, thereby affecting the bearing performance of the beam body.
Referring to fig. 1 and 2, the slip ring 7 is circular, the clamping plates 8 are arranged at two ends of the slip ring 7, the diameter of each clamping plate 8 is larger than the inner diameter of the slip ring 7, the clamping plates 8 are in threaded connection with the threaded rods 6, the clamping plates 8 are arranged at two ends of the slip ring 7, the position of the slip ring 7 is intentionally limited, and the problem that the slip ring 7 is displaced by external acting force when concrete is poured is avoided as much as possible.
Referring to fig. 2, connecting rod 9 is round bar-shaped structure, and the external screw thread has been seted up to the one end that sliding ring 7 was kept away from to connecting rod 9, and the internal thread looks adaptation that sets up in external screw thread and the nut 10 inner chamber sets up the external screw thread on connecting rod 9, makes nut 10 can pass through the external screw thread spiro union in the bottom of connecting rod 9 to link together channel-section steel 1 and concrete beam 3.
Referring to fig. 2, a gasket 11 is arranged to reduce the pressure at the joint of the nut 10 and the channel steel 1, and the problem of deformation of the bottom of the channel steel 1 due to excessive pressure is avoided as much as possible.
Referring to fig. 1 and 3, a connecting hole 2 is formed in a horizontal section of a channel steel 1, the connecting hole 2 penetrates through the channel steel 1, the inner diameter of the connecting hole 2 is equal to the diameter of a connecting rod 9, the connecting hole 2 is formed in the horizontal section of a steel beam 1, the bottom of the connecting rod 9 can penetrate through the channel steel 1 through the connecting hole 2, and the channel steel 1 is connected with the connecting rod 9.
The implementation principle of the application is as follows: when the concrete beam is used, firstly, a mould is prefabricated outside the channel steel 1, then the stress bar 4 is laid in the mould, the stirrup 5 is sleeved on the outer surface of the stress bar 4, the threaded rod 6 is arranged at the central position of the stirrup 5, the sliding ring 7 is sleeved on the threaded rod 6, the position of the sliding ring 7 is slid, the connecting rod 9 fixedly connected with the bottom of the sliding ring 7 penetrates through the channel steel 1, the channel steel 1 is connected with the connecting rod 9 through the nut 10, then concrete is poured into the prefabricated mould, after the concrete is compacted and hardened, the channel steel 1 is connected with the threaded rod 6 inside the concrete beam 3 through the connecting rod 9 and the sliding ring 7, the fastening degree between the channel steel 1 and the concrete beam is greatly improved, the existing channel steel 1 is prevented from being generally connected with the concrete layer of a beam body through bolts as much as possible, when the bottom of the channel steel 1 is stressed, the joint is easy to fall off, thereby affecting the bearing performance of the beam body.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (7)
1. Steel, concrete combination beam, including channel-section steel (1), its characterized in that: the concrete beam (3) is arranged in the inner cavity of the channel steel (1), a stress bar (4) is arranged inside the concrete beam (3), a hoop (5) is sleeved on the outer surface of the stress bar (4), the hoop (5) is connected with the stress bar (4) in an abutting mode, a threaded rod (6) is arranged in the middle of the concrete beam (3), a sliding ring (7) is sleeved on the outer surface of the threaded rod (6), the sliding ring (7) is connected with the threaded rod (6) in a sliding mode, a connecting rod (9) is arranged on one side, close to the bottom of the inner cavity of the channel steel (1), of the sliding ring (7), one end of the connecting rod (9) is fixedly connected with the sliding ring (7), the other end of the connecting rod (9) penetrates through the channel steel (1), the connecting rod (9) is connected with the channel steel (1) in a sliding mode, a nut (10) is sleeved on one end, located outside the channel steel (1), of the connecting rod (9), the nut (10) is in threaded connection with the connecting rod (9).
2. The steel-concrete composite beam according to claim 1, wherein: connecting hole (2) have been seted up on the horizontal segment of channel-section steel (1), connecting hole (2) run through channel-section steel (1), the internal diameter of connecting hole (2) equals the diameter of connecting rod (9).
3. The steel-concrete composite beam according to claim 1, wherein: the quantity of atress muscle (4) is a plurality of, and is a plurality of atress muscle (4) encircle concrete beam (3) evenly distributed, it is a plurality of the surface of atress muscle (4) with interval between concrete beam (3) surface is not less than three centimeters.
4. The steel-concrete composite beam according to claim 3, wherein: stirrup (5) are rectangle frame column structure, a plurality of are located to stirrup (5) cover on atress muscle (4) surface, the inner wall of stirrup (5) with atress muscle (4) surface is laminated mutually.
5. The steel-concrete composite beam according to claim 1, wherein: the sliding ring (7) is in a ring shape, clamping plates (8) are arranged at two ends of the sliding ring (7), the diameter of each clamping plate (8) is larger than the inner diameter of the sliding ring (7), and the clamping plates (8) are in threaded connection with the threaded rod (6).
6. The steel-concrete composite beam according to claim 1, wherein: the connecting rod (9) is of a round rod-shaped structure, an external thread is arranged at one end, far away from the sliding ring (7), of the connecting rod (9), and the external thread is matched with an internal thread arranged in an inner cavity of the nut (10).
7. The steel-concrete composite beam according to claim 1, wherein: nut (10) are close to one side of channel-section steel (1) is equipped with gasket (11), gasket (11) cover is located on connecting rod (9), the diameter of gasket (11) is greater than the diameter of nut (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220223242.7U CN216810618U (en) | 2022-01-26 | 2022-01-26 | Steel and concrete combined beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220223242.7U CN216810618U (en) | 2022-01-26 | 2022-01-26 | Steel and concrete combined beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216810618U true CN216810618U (en) | 2022-06-24 |
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ID=82066223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220223242.7U Active CN216810618U (en) | 2022-01-26 | 2022-01-26 | Steel and concrete combined beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216810618U (en) |
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2022
- 2022-01-26 CN CN202220223242.7U patent/CN216810618U/en active Active
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