CN218292276U

CN218292276U - Precast beam and floor connection structure

Info

Publication number: CN218292276U
Application number: CN202222415516.5U
Authority: CN
Inventors: 陆峰; 郑林; 成丽新; 刘天晨
Original assignee: Shanghai Anyi Finished Construction Technology Co ltd
Current assignee: Shanghai Anyi Finished Construction Technology Co ltd
Priority date: 2022-09-13
Filing date: 2022-09-13
Publication date: 2023-01-13
Anticipated expiration: 2032-09-13

Abstract

The utility model discloses a precast beam and floor connection structure is equipped with the crossbeam on the precast beam, and the floor erects on the crossbeam, the crossbeam up end is equipped with the screw hole, the floor up end is equipped with the cavity, be equipped with the connecting piece in the cavity, pre-buried bellows on the floor of cavity bottom, it passes the screwed hole of bellows spiral at the crossbeam to be equipped with the screw on the connecting piece. The utility model discloses a connecting piece connects, and its advantage is that the connecting piece can be pre-buried in the floor, advances the batch production in the mill, can directly hoist after transporting the scene, and node department adopts the bolt to connect after the hoist and mount is accomplished, can form high efficiency's work, avoids the dust pollution of traditional construction operation and uses a large amount of labour's circumstances.

Description

Precast beam and floor connection structure

Technical Field

The utility model relates to a construction technical field, in particular to precast beam and floor connection structure.

Background

In recent years, with the continuous innovation and development of the prefabricated buildings, more and more novel prefabricated parts, such as novel light prefabricated beams, floor slabs, superposed beams, superposed floor slabs and the like, are vigorously popularized and applied in China. The design of the node of the precast beam as the peripheral structure of the fabricated building is particularly important.

In the prior art, cast-in-place treatment is adopted at a connecting node of a prefabricated structure, built-in steel bars of prefabricated components at the node are lapped to form steel bar anchoring, a wood template or an aluminum template and the like are adopted to enclose the node position of the prefabricated component during construction, and concrete is cast in situ after enclosing. Although the mode can ensure the integrity and the connection reliability of the nodes to a certain extent, a large amount of cast-in-place work exists, the nodes are mostly in field wet operation, the rib arrangement is complex, the operation is difficult, and the construction period is slow.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a precast beam and floor connection structure is provided.

In order to solve the above problems, the utility model provides a following technical scheme:

the utility model provides a precast beam and floor connection structure, is equipped with the crossbeam on the precast beam, and the floor erects on the crossbeam, the crossbeam up end is equipped with the screw hole, the floor up end is equipped with the cavity, be equipped with the connecting piece in the cavity, pre-buried bellows on the floor of cavity bottom, be equipped with the screw on the connecting piece and pass the screwed hole of bellows spiral at the crossbeam.

The utility model discloses a further technique:

preferably, the floor slab is erected on the cross beam, the end part of the floor slab props against the inner side of the precast beam, and slurry is arranged in the gap for crack pouring.

Preferably, the connecting piece is provided with a bolt which is screwed on the precast beam.

Preferably, concrete is poured into the cavity.

Preferably, the connecting piece includes the C shaped steel plate structure that 8mm is thick, bolted connection is at C shaped steel plate structure front end, C shaped steel plate structure both sides are equipped with the connecting plate, are equipped with the hole on the connecting plate, the welding of C shaped steel plate structure both sides has the reinforcing bar, the reinforcing bar passes the hole, extends the inside slab.

Preferably, the back of the front end of the C-shaped steel plate structure is provided with insections, the bolt is provided with an adjusting plate, and the front of the adjusting plate is provided with lines matched with the insections.

The beneficial effects of the above technical scheme are:

the utility model discloses a connecting piece connects, and its advantage is that the connecting piece can be pre-buried in the floor, at the factory approach batch production, can directly hoist after transporting the scene, and node department adopts the bolt to connect after the hoist and mount is accomplished, and the construction is simple, can form high efficiency's work, avoids the dust pollution of traditional construction operation and uses a large amount of labour's circumstances.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts;

FIG. 1 is a schematic view of a connection structure of a precast beam and a floor slab according to one embodiment;

FIG. 2 is a schematic view of a connector configuration;

FIG. 3 is a schematic view of a connection structure of a precast beam and a floor slab according to a fourth embodiment;

wherein: 10. a floor slab; 11. prefabricating a beam; 12. a cavity; 13. a connecting member; 14. a bolt; 15. a cross beam; 16. a screw; 17. a threaded hole; 18. c-shaped steel plate structure; 19. reinforcing steel bars; 20. a connecting plate; 21. insection; 22. a bellows.

Detailed Description

The following describes embodiments of the present invention in detail with reference to the drawings.

As shown in fig. 1, in the first embodiment, in a structure for connecting a precast beam and a floor slab, a beam 15 is arranged on one side of a precast beam 11, a floor slab 10 is erected on the beam 15, a threaded hole is formed in an upper end surface of the beam 15, a cavity 12 is formed in an upper end surface of the floor slab 10, a connecting piece 13 is arranged in the cavity 12, a corrugated pipe 22 is embedded in the floor slab 10 at the bottom of the cavity 12, a screw 16 is arranged on the connecting piece 13, the corrugated pipe 22 penetrates through the threaded hole 17 of the beam 15, a bolt 14 is arranged on the connecting piece 13, the bolt 14 is screwed on the precast beam 11, and concrete is poured in the cavity 12.

The present embodiment is implemented as follows:

the utility model discloses when using, connecting piece 13 is pre-buried in cavity 12 of floor 10, at the factory approach batch production, can directly hoist after transporting the scene, and node department adopts bolt 14 and precast beam 11 to be connected after the hoist and mount is accomplished, is connected through screw and crossbeam 15, and bolt 14 and connection are accomplished the back, and concreting fills cavity 12.

In the second embodiment, as an optimized scheme of the first embodiment, the floor slab 10 is erected on the cross beam 15, the end part of the floor slab is propped against the inner side of the precast beam 11, and slurry is filled in the gap for crack pouring.

The present embodiment is implemented as follows:

the utility model discloses when using, carry out the cementation of fissures through thick liquids, increase the leakproofness of connecting.

Third embodiment, as the optimization scheme of first embodiment, connecting piece 13 includes the C shaped steel plate structure that 8mm is thick, bolt 14 is connected at C shaped steel plate structure front end, C shaped steel plate structure both sides are equipped with connecting plate 20, are equipped with the hole on the connecting plate, the welding of C shaped steel plate structure both sides has reinforcing bar 19, reinforcing bar 19 passes the hole, extends inside floor 10.

The C-shaped steel plate structure is characterized in that insections 21 are arranged on the back face of the front end of the C-shaped steel plate structure, an adjusting plate is arranged on the bolt, and lines matched with the insections are arranged on the front face of the adjusting plate.

Through the cooperation of adjusting plate line and gear, can finely tune bolted connection position, be convenient for better be connected with precast beam.

It should be noted that, the connecting piece 13 is formed by bending, and the machining precision is within ± 0.03mm according to the finish machining precision and the error of the insection 21.

The present embodiment is implemented as follows:

the utility model discloses when using, inside floor 10 was arranged in to reinforcing bar 19, extended to cavity 12 in, with the C shaped steel plate structure welding of establishing in cavity 12, the operation workman installed bolt 14 and screw at connecting piece 13 position on hoist and mount floor 10 to crossbeam 15, and the beam column just can form the effective connection, satisfies the corresponding standard of country and anti-seismic performance requirement.

In a fourth embodiment, as shown in fig. 3, in a structure for connecting a precast beam and a floor slab, two sides of a precast beam 11 are both provided with a beam 15, a floor slab 10 is erected on the beam 15, the upper end surface of the beam 15 is provided with a threaded hole, the upper end surface of the floor slab 10 is provided with a cavity 12, a connecting piece 13 is arranged in the cavity 12, a corrugated pipe 22 is embedded in the floor slab 10 at the bottom of the cavity 12, a screw 16 is arranged on the connecting piece 13, penetrates through the corrugated pipe 22 and is screwed in the threaded hole 17 of the beam 15, a bolt 14 is arranged on the connecting piece 13 and is screwed on the precast beam 11, and concrete is poured in the cavity 12.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

The foregoing shows and describes the basic principles and principal features of the invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a precast beam and floor connection structure which characterized in that: be equipped with the crossbeam on the precast beam, the floor erects on the crossbeam, the crossbeam up end is equipped with the screw hole, the floor up end is equipped with the cavity, be equipped with the connecting piece in the cavity, pre-buried bellows on the floor of cavity bottom, be equipped with the screw on the connecting piece and pass the screwed hole of bellows spiral at the crossbeam.

2. A precast beam and floor slab connection structure according to claim 1, wherein: the floor slab is erected on the cross beam, the end part of the floor slab props against the inner side of the precast beam, and slurry is arranged in the gap to perform crack pouring.

3. A precast beam and floor slab connection structure according to claim 1, wherein: and the connecting piece is provided with a bolt which is screwed on the precast beam.

4. A precast beam and floor slab connection structure according to claim 3, wherein: concrete is poured in the cavity.

5. A precast beam and floor slab connection structure according to claim 3, wherein: the connecting piece includes the C shaped steel plate structure that 8mm is thick, bolted connection is at C shaped steel plate structure front end, C shaped steel plate structure both sides are equipped with the connecting plate, are equipped with the hole on the connecting plate, C shaped steel plate structure both sides welding has the reinforcing bar, the reinforcing bar passes the hole, extends the floor inside.

6. A precast beam and floor slab connection structure according to claim 5, wherein: the C-shaped steel plate structure is characterized in that insections are arranged on the back face of the front end of the C-shaped steel plate structure, an adjusting plate is arranged on the bolt, and lines matched with the insections are arranged on the front face of the adjusting plate.