CN214995228U - Precast beam - Google Patents
Precast beam Download PDFInfo
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- CN214995228U CN214995228U CN202121199612.XU CN202121199612U CN214995228U CN 214995228 U CN214995228 U CN 214995228U CN 202121199612 U CN202121199612 U CN 202121199612U CN 214995228 U CN214995228 U CN 214995228U
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- precast beam
- precast
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- steel
- strength bolt
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Abstract
The utility model relates to a construction field discloses a precast beam, including prefabricated post, first precast beam and second precast beam, the pre-buried I-shaped steel member of first precast beam, second precast beam, both sides all are provided with the fixed plate about first precast beam and the second precast beam junction, be provided with a plurality of second connecting holes on the fixed plate, second connecting hole position is provided with second high strength bolt, and is a plurality of second high strength bolt passes the inside I-shaped steel member of first precast beam and second precast beam. This application has increased connected node's reliability between the precast beam, the installation of being convenient for simultaneously.
Description
Technical Field
The application relates to the field of building construction, in particular to a precast beam.
Background
The precast beam is formed by formwork erecting, stirring and pouring on site in a concrete member factory or a construction site, and is transported to an installation position for installation after the strength reaches design specifications. The prefabricated beam is part of an assembly type component, wherein the assembly type component is a concrete structure formed by assembling and connecting the prefabricated components serving as main stress components, the assembly type reinforced concrete upper structure is favorable for development of building industrialization, improves production efficiency, saves energy, saves the operation area of a construction site, and is favorable for improving and ensuring the quality of building engineering.
In the related art, the prefabricated units include prefabricated columns, prefabricated girders and connecting structures, and the prefabricated columns and the prefabricated girders are fixed by the connecting structures.
In view of the above-mentioned related technologies, the inventor thinks that the concrete outside the connection node of two precast beams is often fixed between the precast beams commonly used through the connection structure, and the bolt fixed into the precast beam can not be well combined with the long stressed steel bar inside the precast beam, and the connection node between two precast beams can not be effectively protected.
SUMMERY OF THE UTILITY MODEL
In order to effectively protect the connecting joint between the two precast beams and increase the reliability of the connecting joint between the two precast beams, the precast beam is provided.
The application provides a precast beam adopts following technical scheme:
the utility model provides a precast beam, includes precast column, first precast beam and the precast beam of second, the pre-buried I-steel member of first precast beam, the precast beam of second, both sides all are provided with the fixed plate about first precast beam and the precast beam junction of second, be provided with a plurality of second connecting holes on the fixed plate, second connecting hole position is provided with the second high strength bolt, and is a plurality of the second high strength bolt passes the inside I-steel member of first precast beam and second precast beam.
By adopting the technical scheme, the second high-strength bolt is separated from the surface of the precast beam by the fixing plate, so that the surface of the precast beam is prevented from cracking, and meanwhile, the connecting node between the precast beams is fixed by the fixing plate and the second high-strength bolt; the second high-strength bolt penetrates through the I-shaped steel component inside the precast beam to form rigid connection, stress can be well transmitted, and the stability of node connection between the precast beams is improved.
Optionally, the side that first precast beam is close to the second precast beam is provided with the heavy groove, the side that the second precast beam is close to first precast beam stretches out one section pre-buried I-steel member, the pre-buried I-steel member of second precast beam stretches into the heavy groove and inconsistent with the pre-buried I-steel member of first precast beam, first precast beam and second precast beam peg graft.
Through adopting above-mentioned technical scheme, through stretching into the heavy groove with the I-steel component for accomplish preliminary installation between first precast beam and the second precast beam, in the installation, only need align I-steel component and heavy groove position, the installation between the precast beam of being convenient for hides the node of being connected between the precast beam in the internal portion of roof beam simultaneously, has avoided the corrosion of inside steel component junction.
Optionally, a plurality of first blind holes have been seted up to both sides about the first precast beam, a plurality of second blind holes have been seted up to both sides about the second precast beam, the second connecting hole respectively with first blind hole and second blind hole position phase-match, the edge of a wing of the pre-buried I-shaped steel member that is close to its one side is all passed to first blind hole and second blind hole, fixed plate one end is passed through second high strength bolt and is stretched into first blind hole and first precast beam fixed connection, the fixed plate other end stretches into second blind hole and second precast beam fixed connection through second high strength bolt.
By adopting the technical scheme, the second high-strength bolt penetrates through the flange of the embedded I-shaped steel component, the second high-strength bolt, the fixing plate and the I-shaped steel component between the two precast beams form rigid connection, the connection is firmer, and the reliability of the connection node of the internal I-shaped steel component between the precast beams is enhanced; the fixing plates arranged up and down at the joints of the two precast beams fix the joints firmly, so that the reliability of the outer surface concrete joints between the precast beams is enhanced.
Optionally, the first blind holes are distributed at two ends of the contact position of the first precast beam and the pre-buried i-steel component of the second precast beam.
Through adopting above-mentioned technical scheme, link to each other the pre-buried I-steel member of first precast beam and second precast beam through second high-strength bolt, strengthened the connection of inside I-steel member for inside member forms stable whole, has strengthened the reliability of inside I-steel member connected node between the precast beam.
Optionally, the precast column side is provided with the bracket, the vertical fixed steel bar that is provided with of bracket upside, round pin bolt hole has been seted up to first precast beam, fixed steel bar and round pin bolt hole cooperate fixed precast column and first precast beam.
Through adopting above-mentioned technical scheme, prefabricated post and bracket form one and shelve the platform, and the installation of the precast beam of being convenient for and prefabricated post, fixed reinforcing bar on the bracket inserts the cotter pin downthehole, plays spacing fixed effect.
Optionally, fixed steel bar is planted inside and bracket fixed connection of bracket, the edge of a wing of the pre-buried I-shaped steel member of first precast beam is passed in the cotter hole, fixed steel bar stretches into inside the cotter hole, fixed steel bar is pegged graft with precast beam.
Through adopting above-mentioned technical scheme, during fixed reinforcement one end was fixed in the steel reinforcement skeleton of bracket, the flange of the I-steel member of the other end passing first precast beam formed inside steel reinforcement skeleton's connection for the connection of prefabricated post and first precast beam is more reliable.
Optionally, an angle steel is connected between the upper portion of the first precast beam and the precast column, a plurality of first connection holes are formed in the angle steel, first high-strength bolts are arranged in the positions of the first connection holes, and the first high-strength bolts penetrate through the angle steel to fixedly connect the precast column and the first precast beam.
Through adopting above-mentioned technical scheme, the angle steel is located precast beam top, through the effect of first high-strength bolt, has further consolidated the connection of precast beam and precast column, forms stable connection structure.
Optionally, a plurality of stiffening ribs are arranged on the angle steel, and the first high-strength bolt is located between the adjacent stiffening ribs.
Through adopting above-mentioned technical scheme, increased the intensity of angle steel, guaranteed the stability that prefabricated post and first precast beam are connected, added the intensity that prefabricated post and first precast beam are connected simultaneously, the stiffener can effectively protect first high-strength bolt simultaneously, avoids the erosion destruction because of external environment's influence leads to.
To sum up, this application includes following at least one kind precast beam beneficial technological effect:
1. this application forms the connection of inside steel reinforcement skeleton through the round pin bolt hole of seting up on setting up bracket, fixed steel bar and the first precast beam, has strengthened precast post and first precast beam connected node's reliability, and the platform of shelving of bracket formation is convenient for the installation of first precast beam and precast post simultaneously.
2. This application stretches out one section through setting up heavy groove and with the I-steel component dislocation of second precast beam, in the installation, only need align I-steel component and heavy groove position, the installation between the precast beam of being convenient for, conceals the node of connecting between the precast beam in the internal portion of roof beam simultaneously, has avoided the corrosion of inside steel member junction.
3. This application is through setting up the second bolt that excels in, first blind hole and the second blind hole seted up on fixed plate and first precast beam and the second precast beam respectively, the second bolt that excels in passes the edge of a wing of pre-buried I-steel member, the second bolt that excels in, the I-steel member between fixed plate and two precast beams forms rigid connection, both ends are fixed about the fixed plate is with first precast beam and second precast beam connected node, the reliability of inside I-steel member connected node between the precast beam has not only been strengthened, and the reliability of surface concrete joint between the precast beam has been strengthened moreover.
Drawings
Figure 1 is a schematic diagram of the overall explosive connection of the present application.
Fig. 2 is a cross-sectional view of the overall structure of the present application.
Fig. 3 is a positional relationship diagram of angle steel, a first high-strength bolt, and a first connection hole according to the present application.
Description of reference numerals: 1. prefabricating a column; 2. a first precast beam; 3. a second precast beam; 4. a bracket; 5. fixing the steel bars; 6. angle steel; 7. a stiffening rib; 8. a first connection hole; 9. a first high-strength bolt; 10. a pin hole; 11. a first blind hole; 12. a second blind hole; 13. sinking a groove; 14. a fixing plate; 15. a second connection hole; 16. a second high-strength bolt.
Detailed Description
The present application is described in further detail below with reference to figures 1-3:
the embodiment of the application discloses precast beam.
Referring to fig. 1, the precast beam comprises a precast column 1, a first precast beam 2 and a second precast beam 3, wherein the precast column 1 is connected with the upper part of the first precast beam 2 through an angle steel 6 and a first high-strength bolt 9, the precast column 1 is connected with the lower part of the first precast beam 2 through a bracket 4 and a fixed steel bar 5, and the first precast beam 2 is connected with the second precast beam 3 through a fixed plate 14 and a second high-strength bolt 16.
Referring to fig. 1, first precast beam 2 and second precast beam 3 are pre-buried i-shaped steel members, first precast beam 2 has seted up heavy groove 13 near second precast beam 3 one side, wherein heavy groove 13 internal surface size and the i-shaped steel member external surface size phase-match of first precast beam 2 and second precast beam 3 inside, i.e. the i-shaped steel member of second precast beam 3 inside can stretch into heavy groove 13 inside, one section that second precast beam 3 i-shaped steel member stretches out is pegged graft with heavy groove 13, both sides are provided with fixed plate 14 about the node that first precast beam 2 and second precast beam 3 are connected.
Referring to fig. 1 and 2, a second connection hole 15 is formed in the fixing plate 14, after the first precast beam 2 and the second precast beam 3 are preliminarily spliced, the first blind hole 11 in the first precast beam 2 is aligned with the second connection hole 15, the second blind hole 12 in the second precast beam 3 is aligned with the second connection hole 15, a second high-strength bolt 16 in the fixing plate 14 penetrates through the first blind hole 11 to be fixedly connected with the first precast beam 2, and a second high-strength bolt 16 in the fixing plate 14 penetrates through the second blind hole 12 to be fixedly connected with the second precast beam 3.
Referring to fig. 1 and 2, the first blind holes 11 on the first precast beam 2 are uniformly distributed at two ends of the contact position of the i-steel members of the first precast beam 2 and the second precast beam 3, the first blind holes 11 and the second blind holes 12 both penetrate through the flange of the i-steel members, and the second high-strength bolts 16 are connected with the i-steel members inside the first precast beam 2 and the second precast beam 3.
Referring to fig. 1 and 2, a bracket 4 is arranged below the prefabricated column 1 and the first prefabricated beam 2, the first prefabricated beam 2 is placed on the bracket 4, a row of fixed steel bars 5 are planted on the bracket 4, a pin bolt hole 10 is formed in the position, corresponding to the fixed steel bars 5, of the first prefabricated beam 2, the pin bolt hole 10 does not penetrate through the whole first prefabricated beam 2, the pin bolt hole 10 penetrates through the flange of an I-shaped steel member inside the first prefabricated beam 2, and the fixed steel bars 5 are connected with the I-shaped steel member inside the first prefabricated beam 2.
Referring to fig. 1 and 3, a stiffening rib 7 is arranged on each angle iron 6, the strength of each stiffening rib 7 is increased, a first connecting hole 8 is formed between every two adjacent stiffening ribs 7 on each angle iron 6 in a penetrating mode, a first high-strength bolt 9 penetrates through the first connecting hole 8 to be fixedly connected with the prefabricated column 1 and the first prefabricated beam 2 respectively, and the prefabricated column 1 and the first prefabricated beam 2 are fixed through the matching of the angle iron 6 and the bracket 4.
According to the embodiment, the prefabricated column 1 is fixedly installed, the fixed steel bars 5 are pre-planted in the brackets 4, the prefabricated column 1 and the brackets 4 form a placing platform, the pin bolt holes 10 of the first prefabricated beam 2 correspond to the fixed steel bars 5 in position, the first prefabricated beam 2 is placed on the brackets 4, the angle steel 6 is installed at the connecting node of the prefabricated column 1 and the first prefabricated beam 2 through the first high-strength bolt 9, and the connecting node of the prefabricated column 1 and the first prefabricated beam 2 is reinforced; and then inserting the extending part of the I-shaped steel member of the second precast beam 3 into the sinking groove 13 of the first precast beam 2, arranging fixing plates 14 at the upper and lower sides of the connecting node of the first precast beam 2 and the second precast beam 3, and fixedly connecting the fixing plates 14 with the first precast beam 2 and the second precast beam 3 respectively by using second high-strength bolts 16.
In conclusion, the bracket 4 is arranged to form the placing platform, so that the prefabricated column 1 and the first prefabricated beam 2 can be conveniently installed, the fixed steel bars 5 extend into the pin bolt holes 10 and the I-shaped steel members in the first prefabricated beam 2 to form connection of a steel bar framework, and the steel angles 6 arranged above the prefabricated column 1 and the first prefabricated beam 2 enhance the reliability of the connection node of the prefabricated column 1 and the first prefabricated beam 2;
through setting up heavy groove 13 and stretching out one section with the I-steel component dislocation of second precast beam 3, be convenient for install between first precast beam 2 and the second precast beam 3, first blind hole 11 and the second blind hole 12 of seting up respectively on second high strength bolt 16, fixed plate 14 and first precast beam 2 and the second precast beam 3, with the I-steel component fixed connection of first precast beam 2 and the inside of second precast beam 3, form stable component, strengthened the reliability of connected node between the precast beam.
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 (8)
1. A precast beam includes a precast column (1), a first precast beam (2) and a second precast beam (3), characterized in that: first precast beam (2), the pre-buried I-steel member of second precast beam (3), both sides all are provided with fixed plate (14) about first precast beam (2) and second precast beam (3) junction, be provided with a plurality of second connecting holes (15) on fixed plate (14), second connecting hole (15) position is provided with second high-strength bolt (16), and is a plurality of second high-strength bolt (16) pass first precast beam (2) and the inside I-steel member of second precast beam (3).
2. A precast beam according to claim 1, wherein: the side that first precast beam (2) are close to second precast beam (3) is provided with heavy groove (13), second precast beam (3) are close to the side of first precast beam (2) and stretch out one section pre-buried I-steel member, the pre-buried I-steel member of second precast beam (3) stretches into heavy groove (13) and offsets with the pre-buried I-steel member of first precast beam (2), first precast beam (2) and second precast beam (3) are pegged graft.
3. A precast beam according to claim 2, wherein: a plurality of first blind holes (11) have been seted up to both sides about first precast beam (2), a plurality of second blind holes (12) have been seted up to both sides about second precast beam (3), second connecting hole (15) respectively with first blind hole (11) and second blind hole (12) position phase-match, first blind hole (11) and second blind hole (12) all pass the edge of a wing that is close to the pre-buried I-steel member of its one side, fixed plate (14) one end is passed through second high strength bolt (16) and is stretched into first blind hole (11) and first precast beam (2) fixed connection, fixed plate (14) other end is stretched into second blind hole (12) and second precast beam (3) fixed connection through second high strength bolt (16).
4. A precast beam according to claim 3, wherein: the first blind holes (11) are distributed at two ends of the contact positions of the embedded I-shaped steel components of the first precast beam (2) and the second precast beam (3).
5. A precast beam according to claim 1, wherein: prefabricated post (1) side is provided with bracket (4), bracket (4) upside is vertical to be provided with fixed steel bar (5), round pin keyhole (10) have been seted up in first precast beam (2), fixed steel bar (5) cooperate with round pin keyhole (10) fixed prefabricated post (1) and first precast beam (2).
6. A precast beam according to claim 5, characterized in that: fixed reinforcement (5) are planted in inside and bracket (4) fixed connection of bracket (4), the edge of a wing of the pre-buried I-shaped steel member of first precast beam (2) is passed in round pin keyhole (10), fixed reinforcement (5) stretch into round pin keyhole (10) inside, fixed reinforcement (5) are pegged graft with precast beam.
7. A precast beam according to claim 1, wherein: be connected with angle steel (6) between first precast beam (2) top and precast column (1), be provided with a plurality of first connecting holes (8) on angle steel (6), first connecting hole (8) position is provided with first high-strength bolt (9), first high-strength bolt (9) pass angle steel (6) with precast column (1) and first precast beam (2) fixed connection.
8. A precast beam according to claim 7, wherein: the angle steel (6) is provided with a plurality of stiffening ribs (7), and the first high-strength bolt (9) is located between the adjacent stiffening ribs (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121199612.XU CN214995228U (en) | 2021-05-31 | 2021-05-31 | Precast beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121199612.XU CN214995228U (en) | 2021-05-31 | 2021-05-31 | Precast beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214995228U true CN214995228U (en) | 2021-12-03 |
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ID=79088911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121199612.XU Active CN214995228U (en) | 2021-05-31 | 2021-05-31 | Precast beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214995228U (en) |
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2021
- 2021-05-31 CN CN202121199612.XU patent/CN214995228U/en active Active
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