CN210658680U

CN210658680U - Assembled variable cross-section anchor structure

Info

Publication number: CN210658680U
Application number: CN201921186612.9U
Authority: CN
Inventors: 田景杨; 张文; 庄智严; 杨炳尧; 赵锦
Original assignee: Guangzhou Building Development & Construction Co ltd
Current assignee: Guangzhou Building Development & Construction Co ltd
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-06-02
Anticipated expiration: 2029-07-25

Abstract

The utility model relates to an assembled variable cross section anchor structure belongs to building technical field. This assembled variable cross section anchor structure, including prefabricated post of upper strata, lower floor's prefabricated post and anchor board, the cross section of prefabricated post of upper strata is greater than the cross section of prefabricated post of lower floor, be equipped with upper reinforcing bar in the prefabricated post of upper strata, be equipped with lower floor's reinforcing bar and variable cross section reinforcing bar in the prefabricated post of lower floor, upper reinforcing bar with lower floor's reinforcing bar passes through muffjoint, embedding of variable cross section reinforcing bar one end in the prefabricated post of lower floor, the other end expose in the prefabricated capital end of lower floor, the anchor board detachable install in the exposed end of variable cross section reinforcing bar. The structure is matched with the exposed ends of the variable cross-section steel bars through the anchoring plates, and the anchoring plates do not need secondary processing, so that the installation is convenient, the practical value is high, the field welding work is avoided, and the rapid and convenient installation of the assembled variable cross-section column is realized.

Description

Assembled variable cross-section anchor structure

Technical Field

The utility model relates to a building technical field especially relates to an assembled variable cross section anchor structure.

Background

At present, with the development of technology, the building field gradually develops to the assembly type industry, and assembly type test points are implemented in many places.

However, the sectional area of the fabricated column is reduced, and thus, when the fabricated column is assembled, for example, the sectional area of the lower column is 900 × 900, and the sectional area of the upper column is 900 × 600; then a problem arises in that the reinforcing steel bars of the lower-layer columns are broken at the nodes of the floors, and if the sections of the beams are high enough and the diameters of the reinforcing steel bars of the columns are small enough, the reinforcing steel bars of the columns meet the straight anchor condition marked by the flat method; if the steel bars of the columns are large and the sections of the beams are short, the straight anchoring condition is not met.

In view of the above problems, the conventional solutions are as follows: 1) if the anchor does not meet the requirement of straight anchoring, a column at the position is brittle and is made into a cast-in-situ structure; 2) and a reinforcing steel bar is welded at the position to solve the problem of bending anchor. However, the above method has the following disadvantages: 1) the method avoids the key technology of an assembly type; 2) the method has certain contradiction with the standard of the plain method; 3) and the defect of large welding operation amount on site exists.

Disclosure of Invention

Therefore, the assembled variable cross-section anchoring structure has the advantages of simple principle and convenience in construction, meets the current standard requirements, and is ideal and high in feasibility.

The utility model provides an assembled variable cross section anchor structure, includes prefabricated post of upper strata, lower floor's prefabricated post and anchor board, the cross section of prefabricated post of upper strata is greater than the cross section of prefabricated post of lower floor, be equipped with upper reinforcing bar in the prefabricated post of upper strata, be equipped with lower floor's reinforcing bar and variable cross section reinforcing bar in the prefabricated post of lower floor, upper reinforcing bar with lower floor's reinforcing bar passes through muffjoint, variable cross section reinforcing bar one end embedding in the prefabricated post of lower floor, the other end expose in the prefabricated capital end of lower floor, the anchor board detachable install in the exposed end of variable cross section reinforcing bar.

According to the assembled variable cross-section anchoring structure, the ready-made welding work is avoided through the matching of the anchoring plate and the exposed end of the variable cross-section steel bar, and the assembled variable cross-section column is installed quickly and conveniently.

In one embodiment, the top of the exposed end of the variable cross-section steel bar is provided with an internal thread or an external thread, and the anchoring plate is provided with an external thread or an internal thread matched with the internal thread or the external thread.

In one embodiment, the anchoring plate comprises a connecting part and an extending part, wherein an internal thread matched with the exposed end of the variable cross-section steel bar is arranged in the connecting part, and the extending part extends outwards along the lower end of the connecting part and axially towards the connecting part to form an umbrella-shaped extending part.

In one embodiment, the anchor plate further includes a ring portion formed by extending the outer extension portion axially toward the connecting portion.

In one embodiment, the connecting portion is a barrel structure with two open ends.

In one embodiment, the exposed end of the variable cross-section steel bar extends out of the top opening of the anchoring plate connecting part.

In one embodiment, the sleeve is a grout sleeve.

In one embodiment, the variable cross-section steel bars are arranged on the cross-section edges of the lower prefabricated columns.

In one embodiment, the fabricated variable cross-section anchoring structure further comprises a node connecting piece, wherein the node connecting piece is arranged between the upper prefabricated column and the lower prefabricated column, and the arrangement axial direction of the node connecting piece is perpendicular to the axial direction of the upper prefabricated column and the lower prefabricated column.

In one embodiment, the exposed end of the variable cross-section steel bar and the anchor plate are embedded in the node connecting piece.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses an assembled variable cross section anchor structure through the cooperation of anchor board and the exposed end of variable cross section reinforcing bar, because the anchor board does not need secondary operation, it is convenient to install, has very big practical value, has avoided carrying out on-the-spot weldment work, realizes swift, the convenient installation of assembled variable cross section post.

And through the exquisite design to the exposed end of anchor plate and variable cross section reinforcing bar, very big simplification the process of site operation, practiced thrift the engineering time, have better assembly effect.

Drawings

FIG. 1 is a schematic view of an assembled variable cross-section anchoring structure in an embodiment;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a schematic sectional view of an assembled variable cross-section anchoring structure in the embodiment;

FIG. 4 is a schematic view of the external threads of the exposed end of the bar with variable cross-section;

FIG. 5 is a schematic view of an anchor plate structure;

wherein: 100. prefabricating a column on the upper layer; 110. upper layer steel bars; 120. a sleeve; 200. prefabricating a column on the lower layer; 210. lower layer steel bar; 220. a variable cross-section steel bar; 300. an anchoring plate; 310. a connecting portion; 320. an extension portion; 330. an annular portion; 400. a node connecting piece.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Examples

The utility model provides an assembled variable cross section anchor structure, as shown in fig. 1-2, includes prefabricated post 100 of upper strata, prefabricated post 200 of lower floor and anchorage plate 300, the cross section of prefabricated post 100 of upper strata is greater than the cross section of prefabricated post 200 of lower floor, be equipped with upper reinforcing bar 110 in the prefabricated post 100 of upper strata, be equipped with lower floor's reinforcing bar 210 and variable cross section reinforcing bar 220 in the prefabricated post 200 of lower floor, upper reinforcing bar 110 with lower floor's reinforcing bar 210 passes through slip casting sleeve 120 and connects, variable cross section reinforcing bar 220 one end embedding in the prefabricated post 200 of lower floor, the other end expose in the prefabricated post 200 top of lower floor, and variable cross section reinforcing bar 220 locates lower floor's prefabricated post 200 cross section edge, as shown in fig. 3, anchorage plate 300 detachable install in the exposed end of variable cross section reinforcing bar 220.

The variable cross-section steel bars are the steel bars needing to be contracted.

In this embodiment, specifically, as shown in fig. 4, the top of the exposed end of the variable cross-section steel bar 220 is threaded in advance according to the requirement of the first-level thread, and is provided with an external thread. The anchor plate 300 is provided with an internal thread matched with the external thread, as shown in fig. 5, the anchor plate 300 comprises a connecting portion 310, an extending portion 320 and an annular portion 330, the connecting portion 310 is internally provided with an internal thread matched with the exposed end of the variable cross-section steel bar, the extending portion 320 extends along the lower end of the connecting portion outwards and axially towards the connecting portion to form an umbrella-shaped extending portion. The annular portion 330 is formed by extending the outer extension portion axially toward the connecting portion.

The connecting portion 310 is a barrel-shaped structure with openings at two ends, and preferably, the exposed end of the variable cross-section steel bar extends out of the top end opening of the connecting portion of the anchoring plate, so that a good anchoring effect is achieved.

In this embodiment, the assembled variable cross-section anchoring structure further includes a node connecting member 400, where the node connecting member 400 is disposed between the upper prefabricated column 100 and the lower prefabricated column 200, and an axial direction of the node connecting member 400 is perpendicular to axial directions of the upper prefabricated column and the lower prefabricated column. Meanwhile, the exposed end of the variable cross-section steel bar and the anchoring plate are embedded in the node connecting piece 400.

When the assembled variable-section column with the assembled variable-section anchoring structure is adopted, the method is realized according to the following procedures:

1. and (4) reserving threads for the variable cross-section steel bars according to a threaded sleeve mode.

2. And finishing concrete pouring and leaving the factory.

3. And (5) completing hoisting and grouting of the lower-layer column, and entering the construction of a superposed layer.

4. And fixedly connecting the anchoring plate to the exposed ends of the matched variable cross-section steel bars.

5. And (4) concealing and checking, finishing the construction of the superposed layer and the construction of the next layer of column.

The steps 1 and 2 are implemented and finished in a prefabricating factory, and the field construction difficulty is reduced.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides an assembled variable cross section anchor structure, its characterized in that, includes prefabricated post of upper strata, lower floor's prefabricated post and anchor board, the cross section of prefabricated post of upper strata is greater than the cross section of prefabricated post of lower floor, be equipped with upper reinforcing bar in the prefabricated post of upper strata, be equipped with lower floor's reinforcing bar and variable cross section reinforcing bar in the prefabricated post of lower floor, upper reinforcing bar with lower floor's reinforcing bar passes through muffjoint, embedding of variable cross section reinforcing bar one end in the prefabricated post of lower floor, the other end expose in the prefabricated capital end of lower floor, the anchor board detachable install in the exposed end of variable cross section reinforcing bar.

2. The fabricated variable cross-section anchoring structure of claim 1, wherein the top of the exposed end of the variable cross-section steel bar is provided with an internal thread or an external thread, and the anchoring plate is provided with an external thread or an internal thread matched with the internal thread or the external thread.

3. The fabricated variable cross-section anchoring structure of claim 2, wherein the anchoring plate comprises a connecting portion and an extending portion, an internal thread matched with the exposed end of the variable cross-section steel bar is arranged in the connecting portion, and the extending portion extends outwards along the lower end of the connecting portion and axially towards the connecting portion to form an umbrella-shaped extending portion.

4. The fabricated variable-cross-section anchoring structure according to claim 3, wherein the anchoring plate further comprises a ring portion formed by the outward extension portion extending axially toward the connecting portion.

5. The fabricated variable-section anchoring structure according to claim 3, wherein the connecting portion is a barrel-shaped structure open at both ends.

6. The fabricated variable-section anchoring structure according to claim 5, wherein the exposed end of the variable-section reinforcing bar protrudes from a top end opening of the anchoring plate connecting part.

7. The fabricated variable-section anchoring structure of claim 1, wherein the sleeve is a grouting sleeve.

8. The fabricated variable-section anchoring structure according to claim 1, wherein the variable-section reinforcing bars are provided at sectional edges of the lower prefabricated columns.

9. The fabricated variable cross-section anchoring structure according to claim 1, further comprising a node connecting member disposed between the upper and lower prefabricated columns, and disposed axially perpendicular to axial directions of the upper and lower prefabricated columns.

10. The fabricated variable-cross-section anchoring structure of claim 9, wherein the exposed end of the variable-cross-section rebar and the anchoring plate are embedded within the node connector.