CN219060611U - Connecting structure of bored pile steel bars - Google Patents

Abstract

The utility model discloses a connection structure for steel bars of bored cast-in-place piles. The same sleeve is connected, the sleeve and the connecting part are connected through a clamping assembly, and the sleeve is equipped with a reinforcing connector for fixing the joint between the first steel bar and the second steel bar. The utility model has a simple structure. First, the first steel bar and the second steel bar are screwed to the corresponding connecting parts respectively, and then the connecting parts at the ends of the first steel bar and the second steel bar are inserted into the sleeve, and the outer wedge and the inner wedge Clamping provides binding force for the first steel bar and the second steel bar, and by rotating the hexagonal head bolt, the hexagonal head bolt is pressed against the connection between the first steel bar and the second steel bar to enhance the stability of the connection between the two.

Description

A connection structure for reinforced steel bars of bored piles

technical field

The utility model relates to the technical field of civil construction, in particular to a connection structure for steel bars of bored cast-in-place piles.

Background technique

As my country increases the utilization and development of urban space, foundation pits in some areas are under urban viaducts, and there is a problem of insufficient space for the lowering of the reinforced cages of bored piles under the condition of low headroom, and the reinforced cages can only be lowered in sections , a steel bar connection method is needed to realize the requirement of fast connection of steel bars in a limited time. The traditional method of steel bar connection mainly adopts straight thread connection, welding and other methods. Straight threaded joints are not straight, deformed, and threaded buckles are damaged, which makes it difficult to connect the steel bars; welding the steel bars takes a long time, although the rigidity of the steel bar connection is guaranteed, but the construction time increases the cost.

Therefore, it is necessary to study a fast steel bar connection method to solve the problem of segmental connection of steel cages.

Utility model content

The purpose of this utility model is to solve the shortcomings existing in the prior art, and propose a connection structure of steel bars for bored piles. Under low headroom conditions, the steel cages need to be lowered in sections. problem, the utility model effectively solves the fast connection of steel bars, and the operation is simple and the work efficiency is improved at the same time.

In order to achieve the above object, the utility model adopts the following technical solutions:

A connection structure for steel bars of bored piles, comprising a first steel bar and a second steel bar, the ends of the first steel bar and the second steel bar are detachably connected to a connecting part, and the two connecting parts are connected through the same sleeve, The sleeve and the connecting part are connected through a clamping assembly, and the sleeve is equipped with a strengthening connecting piece for fixing the joint between the first steel bar and the second steel bar.

Preferably, the clamping assembly includes an outer wedge fixed to the outer wall of the connecting part at an equal angle, an installation groove is provided on the inner wall of the sleeve, and an inner wedge connected to the outer wedge is connected to the inner wall of the installation groove through an elastic member.

Preferably, the reinforcing connector includes a hexagon head bolt, which is threadedly connected to the bolt hole provided on the side wall of the sleeve, and the end of the hexagon head bolt is pressed against the junction of the first steel bar and the second steel bar.

Preferably, the inner ring of the connecting part is provided with internal thread of the connecting part, and the ends of the first steel bar and the second steel bar are provided with external thread of steel bar corresponding to the internal thread of the connecting part.

Preferably, there are multiple hexagon head bolts, outer wedges and inner wedges, and the parts are equiangularly distributed.

Compared with the prior art, the beneficial effect of the utility model is: the utility model has a simple structure, and the first steel bar and the second steel bar are screwed to the corresponding connecting parts respectively, and then the ends of the first steel bar and the second steel bar are screwed together. The connecting part of the connecting part is inserted into the sleeve, and the outer wedge is clamped with the inner wedge to provide binding force for the first steel bar and the second steel bar. By rotating the hexagonal head bolt, the hexagonal head bolt is pressed against the first steel bar and the second steel bar. At the joint, the stability of the connection between the two can be enhanced. The connecting part and the steel bar can be combined into an integral structure in advance through the form of a sleeve. When connecting, only the steel bar and the sleeve need to be installed together, which reduces construction time and improves work efficiency.

Description of drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art in a more specific and intuitive manner, the following briefly introduces the drawings that are required in the description of the embodiments or the prior art.

Fig. 1 is the structural representation that the utility model proposes;

Fig. 2 is the structural representation of connection part;

Fig. 3 is a schematic cross-sectional view of A-A in Fig. 1 .

In the figure: the first steel bar 1, the second steel bar 2, the connecting part 3, the internal thread 31 of the connecting part, the outer wedge 32, the sleeve 4, the inner wedge 41, the elastic part 42, the groove 43, the bolt hole 44, the steel bar External thread 5, hex head bolt 6.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example.

Referring to Figures 1-3, a connection structure for bored cast-in-situ pile reinforcement, including a first reinforcement 1 and a second reinforcement 2, the first reinforcement 1 and the second reinforcement 2 are detachably connected to a connecting part 3 at one end thereof, the two The two connecting parts 3 are connected through the same sleeve 4, and the sleeve 4 is connected with the connecting part 3 through a snap-fit assembly, and the sleeve 4 is equipped with a reinforcing connector for fixing the connection between the first steel bar 1 and the second steel bar 2.

In this embodiment, the clamping assembly includes an outer wedge 32 fixed at an equal angle to the outer wall of the connecting part 3, and the inner wall of the sleeve 4 is provided with a mounting groove, and the inner wall of the mounting groove is connected to the outer wedge 32 through an elastic member 42. The inner wedge 41, the sleeve 4 and the connecting part 3 are connected through the mutual clamping of the outer wedge 32 and the inner wedge 41, so that the first steel bar 1 and the second steel bar 2 are fixed.

In this embodiment, the reinforcing connector includes a hexagonal head bolt 6, which is threadedly connected with the bolt hole 44 provided on the side wall of the sleeve 4, and the end of the hexagonal head bolt 6 is pressed against the first steel bar 1 and the second steel bar 2 By rotating the hexagon head bolt 6, the hexagon head bolt 6 is pressed against the connection between the first steel bar 1 and the second steel bar 2 to enhance the stability of their connection.

In this embodiment, the inner ring of the connecting part 3 is provided with a connecting part internal thread 31, and the ends of the first steel bar 1 and the second steel bar 2 are provided with a steel bar external thread 5 corresponding to the connecting part internal thread 31, realizing the first The connection between the reinforcing bar 1 and the second reinforcing bar 2 and the connecting part 3 is fixed.

In this embodiment, there are multiple hexagon head bolts 6 , outer wedges 32 and inner wedges 41 , and each part is distributed at an equal angle, so that the connecting force of each part is evenly distributed.

In this case, the first steel bar 1 and the second steel bar 2 are screwed to the corresponding connecting parts 3 respectively, and then the connecting parts 3 at the ends of the first steel bar 1 and the second steel bar 2 are inserted into the sleeve 4, and the outer wedge 32 is clamped with the inner wedge 41 to provide binding force for the first steel bar 1 and the second steel bar 2, and by rotating the hexagonal head bolt 6, the hexagonal head bolt 6 is pressed on the joint of the first steel bar 1 and the second steel bar 2, Enhance the stability of the connection between the two.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. The equivalent replacement or change of the new technical solution and the concept of the utility model shall be covered by the protection scope of the utility model.

Claims (5)

1. The utility model provides a connection structure of bored concrete pile reinforcing bar, includes first reinforcing bar (1) and second reinforcing bar (2), its characterized in that, the connecting component (3) are all dismantled to the one end that first reinforcing bar (1) and second reinforcing bar (2) are close, and two connecting components (3) are connected through same sleeve (4), and sleeve (4) link to each other through joint subassembly with connecting component (3), install the strengthening connection piece of fixed first reinforcing bar (1) and second reinforcing bar (2) junction on sleeve (4).

2. A connecting structure of bored pile steel bars according to claim 1, characterized in that the clamping assembly comprises an outer wedge (32) fixed on the outer side wall of the connecting part (3) at equal angles, the inner wall of the sleeve (4) is provided with a mounting groove, and the inner wall of the mounting groove is connected with an inner wedge (41) clamped with the outer wedge (32) through an elastic piece (42).

3. A connecting structure of bored pile steel bars according to claim 2, characterized in that the reinforcing connecting piece comprises a hexagonal head bolt (6), the hexagonal head bolt (6) is in threaded connection with a bolt hole (44) formed in the side wall of the sleeve (4), and the end of the hexagonal head bolt (6) is pressed at the joint of the first steel bar (1) and the second steel bar (2).

4. A connecting structure of bored pile steel bars according to claim 3, characterized in that the inner ring of the connecting member (3) is provided with connecting member female screw threads (31), and the ends of the first steel bar (1) and the second steel bar (2) are provided with steel bar male screw threads (5) corresponding to the connecting member female screw threads (31).

5. A connecting structure of bored pile reinforcing steel bars according to claim 4, characterized in that the hexagonal head bolts (6), the outer wedge (32) and the inner wedge (41) are all plural and the parts are equiangularly distributed.

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