CN219471229U - Pre-buried and post-anchoring combined type steel beam embedded part connecting node - Google Patents

Abstract

The utility model discloses a connection node of an embedded part of a pre-embedded and post-anchored combined steel beam, which comprises post-embedded high-strength bolts, wherein a plurality of post-embedded high-strength bolts are arranged on an original reinforced concrete structure at intervals and symmetrically, the embedded part comprises an embedded steel plate, the upper part of the embedded steel plate is fixedly connected with an embedded anchor bar, the middle part of the embedded steel plate is fixedly connected with a connection part, and the lower part of the embedded steel plate is fixedly connected with a support part. The embedded anchor bars are arranged on the back of the embedded steel plate, two groups of embedded anchor bars are arranged, two embedded anchor bars are longitudinally arranged in each group, and the two groups of embedded anchor bars are symmetrically fixed on two sides of the embedded steel plate. The utility model can complete the connection of the original concrete structure, the post-cast concrete structure and the newly added steel structure through the pre-embedding and post-anchoring combination, and effectively solves the problem that the section of the original concrete structure can not meet the connection and anchoring requirements of the steel structure.

Description

Pre-buried and post-anchoring combined type steel beam embedded part connecting node

Technical Field

The utility model relates to the technical field of steel and concrete combined structures, in particular to a pre-buried and post-anchored combined steel beam embedded part connecting node.

Background

Along with the development of the times, the requirements of people on the appearance and the functions of the building are increasingly improved, and the modern building has two basic characteristics of attractive appearance and reasonable structure. The existing steel-concrete mixed structure system is an ideal lateral force resisting system, and integrates the advantages of a reinforced concrete structure and a steel structure. In public buildings such as hospitals and markets, overhanging flower stand steel-concrete mixed structures are arranged on the outer sides of the buildings and used for constructing the outer facade modeling of the buildings. Because public building function demand can be along with commercial planning changes, in order to improve building utilization, need increase this kind of structure of encouraging on original structure, and then the problem that produces is: the section of the original concrete structure can not meet the connection and anchoring requirements of the steel structure.

Disclosure of Invention

The utility model aims to provide a pre-buried and post-anchored combined steel beam embedded part connecting node which is used for solving the problems in the prior art.

In order to achieve the above object, the present utility model provides the following technical solutions: the embedded part connecting node of the pre-embedded and post-anchored combined steel beam comprises post-embedded high-strength bolts, wherein a plurality of post-embedded high-strength bolts are arranged on an original reinforced concrete structure at intervals and symmetrically; the embedded part comprises an embedded steel plate, the upper part of the embedded steel plate is fixedly connected with an embedded anchor bar, the middle part of the embedded steel plate is fixedly connected with a connecting part, and the lower part of the embedded steel plate is fixedly connected with a supporting part.

In a preferred embodiment, the embedded anchor bars are arranged on the back of the embedded steel plate, two groups of embedded anchor bars are arranged, two embedded anchor bars in each group are longitudinally arranged, and the two groups of embedded anchor bars are symmetrically fixed on two sides of the embedded steel plate.

In a preferred embodiment, the connecting piece is vertically arranged, the connecting piece comprises a connecting steel plate, a C-shaped clamping groove is formed by two connecting steel plates and an embedded steel plate, one part of the H-shaped steel beam is clamped in the clamping groove, a bolt hole is correspondingly formed in one part of the connecting steel plate and one part of the H-shaped steel beam, and the connecting steel plate is connected with the H-shaped steel beam through a bolt group.

In a preferred embodiment, the support piece comprises a transverse support plate and two vertical support plates, wherein the transverse support plate is rectangular, and the top of the transverse support plate is abutted with the I part of the H-shaped steel beam; the vertical support plate is triangle-shaped, and two vertical support plates are laid in horizontal backup pad below both sides, and the top and the horizontal backup pad butt of vertical support plate, the left end and the pre-buried steel sheet fixed connection of support piece.

In a preferred embodiment, the post-planting high-strength bolt penetrates through a pin hole formed in the pre-buried steel plate and is connected with the pre-buried steel plate through a nut, and a nut is arranged on one side, away from the pre-buried steel plate, of the nut.

In a preferred embodiment, the end of the embedded anchor bar remote from the embedded steel plate is arranged inside the post-cast concrete structure.

In a preferred embodiment, the pre-buried anchor is a screw-thread steel.

Compared with the prior art, the utility model has the following characteristics and beneficial effects:

the embedded and post-anchoring combined steel beam embedded part consists of an embedded part, a connecting part and a supporting part, the connection of the original concrete structure, the post-cast concrete structure and the newly-added steel structure can be completed through the embedded and post-anchoring combination, the effective anchoring of the newly-added steel beam embedded part can be effectively realized, and the problem that the section of the original concrete structure cannot meet the steel structure connection anchoring requirement is effectively solved.

Drawings

The utility model is described in further detail below with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic view of a combined pre-embedded and post-anchor steel beam embedment of the present utility model;

FIG. 3 is a cross-sectional view of a connection node of a pre-buried and post-anchored composite steel beam embedded part according to the present utility model;

FIG. 4 is a schematic view of a connector of the present utility model;

fig. 5 is a schematic view of the support of the present utility model.

Reference numerals: 1. the concrete structure comprises an original reinforced concrete structure, a post-cast concrete structure, an embedded part, a connecting part, a 5.H-shaped steel beam, a supporting part, a 31-embedded steel plate, a 32-embedded anchor bar, a 33-post-cast high-strength bolt, a 34-nut, a 35-nut, a 41-connecting steel plate, a 42-bolt hole, a 43-bolt group, a 61-transverse supporting plate and a 62-vertical supporting plate.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below. Embodiments of the present utility model are intended to be within the scope of the present utility model as defined by the appended claims.

Example 1

As shown in fig. 1-5, the embedded and post-anchored combined steel beam embedded part connecting node comprises post-embedded high-strength bolts 33, embedded parts 3 and supporting parts 6, wherein a plurality of post-embedded high-strength bolts 33 are symmetrically arranged on an original reinforced concrete structure 1 at intervals. The lower part of the embedded steel plate 31 is provided with a plurality of pin holes, the post-planting high-strength bolts 33 penetrate through the pin holes arranged on the embedded steel plate 31 and are connected with the embedded steel plate 31 through nuts 34 in a bolt mode, and nuts 35 are arranged on one side, away from the embedded steel plate 31, of the nuts 34.

The embedded part 3 comprises an embedded steel plate 31, the upper portion of the embedded steel plate 31 is fixedly connected with embedded anchor bars 32, the embedded anchor bars 32 are longitudinally and symmetrically fixed on two sides of the embedded steel plate 31, the embedded anchor bars 32 are arranged on the back of the embedded steel plate 31, and one end, far away from the embedded steel plate 31, of the embedded anchor bars 32 is arranged in the post-pouring concrete structure 2. And the embedded anchor 32 is screw steel.

The connecting piece 4 is fixedly connected to the middle of the embedded steel plate 31, the connecting piece 4 is longitudinally arranged, the connecting piece 4 comprises connecting steel plates 41, a C-shaped clamping groove is formed by two connecting steel plates 41 and the embedded steel plate 31, one part of the H-shaped steel beam 5 is clamped in the clamping groove, bolt holes 42 are correspondingly formed in the connecting steel plates 41 and one part of the H-shaped steel beam 5, and the connecting steel plates 41 and the H-shaped steel beam 5 are connected through bolt groups 43 in a bolt mode.

The lower part of the embedded steel plate 31 is fixedly connected with a supporting piece 6, the supporting piece 6 comprises a transverse supporting plate 61 and two vertical supporting plates 62, the transverse supporting plate 61 is rectangular, and the transverse supporting plate 61 is upwards abutted with the I part of the H-shaped steel beam 5; the vertical support plates 62 are triangular, two vertical support plates 62 are symmetrically arranged on two sides below the transverse support plates 61 and are in butt joint with the transverse support plates 61 upwards, the support piece 6 is fixedly connected with the embedded steel plate leftwards, and the size of the transverse support plates 61 in the support piece 6 is adjusted along with the size of the section of the H-shaped steel beam 5. It should be noted that the number of the vertical support plates 62 may be two, three or more depending on the weight of the H-shaped steel beam 5.

Example 2

In this embodiment, the number of the embedded anchor bars 32 and the post-planting high-strength bolts 33 is adjusted according to the contact areas of the embedded part 3 and the original reinforced concrete structure 1 and the post-cast concrete structure 2, and meanwhile, the lengths and the diameters of the embedded anchor bars 32 and the post-planting high-strength bolts 33 should be increased according to the lifting of the weight of the H-shaped steel beam 5. In this embodiment, two groups of embedded anchor bars 32 are provided, two embedded anchor bars 32 are provided along the longitudinal direction, two groups of post-planting high-strength bolts 33 are provided, and four post-planting high-strength bolts 33 are provided along the longitudinal direction. The vertical support plates 62 may be triangular or trapezoidal, and the number of the vertical support plates 62 is 2.

Example 3

The working principle of the embedded and post-anchored combined steel beam embedded part connecting node is described as follows: the original concrete structure 1, the post-cast concrete structure 2 and the newly added steel structure are connected through the combination of the embedded anchor bars and the post-cast bolts, and the embedded and post-anchoring combined steel beam embedded part consists of an embedded part 3, a connecting part 4 and a supporting part 6.

The first step: the transverse supporting plate 61 and the vertical supporting plate 62 are schematically combined according to fig. 5 to form a supporting piece 6, and the supporting piece 6, the two connecting plates 4 and the embedded steel plate 31 are welded and connected.

And a second step of: and welding the embedded anchor bars 32 on the embedded steel plate 31 and leaving bolt holes for implanting the high-strength bolts 33 after implantation, thereby completing the assembly of the combined steel beam embedded part.

And a third step of: the embedded part 3 is attached to the surface of the original reinforced concrete structure 1 according to the positioning required by installation, the post-planting high-strength bolt 33 is driven in, and the nuts 34 and the nuts 35 are screwed in to fix firmly.

Fourth step: and when the construction is performed, the embedded anchor bars 32 are placed into the post-cast concrete structure 2, after the concrete strength meets the requirement, the combination firmness of the embedded part 3, the original reinforced concrete structure 1 and the post-cast concrete structure 2 is checked, and if no problem exists, the H-shaped steel beam 5 can be hoisted.

Fifth step: one end of the steel beam is placed on the supporting piece 6, one part of the H-shaped steel beam is inserted into the centers of the two connecting plates 4, and then the bolt group 43 passes through the bolt hole 42 to be fixed tightly, so that the embedded and post-anchoring combined connecting node is completed.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a pre-buried and back anchor combination formula girder steel buries a connected node which characterized in that: comprising the following steps:

the rear-planting high-strength bolts (33), and a plurality of the rear-planting high-strength bolts (33) are arranged on the original reinforced concrete structure (1) at intervals and symmetrically;

the embedded part (3), the embedded part (3) includes embedded steel plate (31), embedded steel plate (31) upper portion fixed connection embedded anchor bar (32), the middle part fixedly connected with connecting piece (4) of embedded steel plate (31), embedded steel plate (31) lower part fixed connection support piece (6).

2. The embedded and post-anchored modular steel beam embedded connection node of claim 1, wherein: the embedded anchor bars (32) are arranged on the back of the embedded steel plate (31), the embedded anchor bars (32) are arranged in two groups, each group of embedded anchor bars (32) are longitudinally arranged in two groups, and the embedded anchor bars (32) are symmetrically fixed on two sides of the embedded steel plate (31).

3. The embedded and post-anchored modular steel beam embedded connection node of claim 2, further comprising: the connecting piece (4) is vertically arranged, the connecting piece (4) comprises connecting steel plates (41), a C-shaped clamping groove is formed by two connecting steel plates (41) and an embedded steel plate (31), one part of the H-shaped steel beam (5) is clamped in the clamping groove, bolt holes (42) are correspondingly formed in one part of the connecting steel plates (41) and one part of the H-shaped steel beam (5), and the connecting steel plates (41) are connected with the H-shaped steel beam (5) through bolt groups (43) through bolts.

4. A combined pre-buried and post-anchored steel beam buried member connection node according to claim 3, wherein: the support piece (6) comprises a transverse support plate (61) and two vertical support plates (62), the transverse support plate (61) is rectangular, and the top of the transverse support plate (61) is in butt joint with the I part of the H-shaped steel beam (5); the vertical support plates (62) are triangular, two vertical support plates (62) are arranged on two sides below the transverse support plates (61), the tops of the vertical support plates (62) are abutted to the transverse support plates (61), and the left ends of the support pieces (6) are fixedly connected with the embedded steel plates (31).

5. The embedded and post-anchored modular steel beam embedded connection node of claim 4, further comprising: the post-planting high-strength bolt (33) penetrates through a pin hole formed in the embedded steel plate (31) and is connected with the embedded steel plate (31) through a nut (34) in a bolt mode, and a nut (35) is arranged on one side, away from the embedded steel plate (31), of the nut (34).

6. The embedded and post-anchored modular steel beam embedded connection node of claim 5, further comprising: one end of the embedded anchor bar (32) far away from the embedded steel plate (31) is arranged in the post-pouring concrete structure (2).

7. The embedded and post-anchored modular steel beam embedded connection node of claim 6, further comprising: the embedded anchor bars (32) are screw-thread steel.