CN215715224U

CN215715224U - Avoid stress concentration's transfer of being convenient for type steel bar cage group

Info

Publication number: CN215715224U
Application number: CN202121050261.6U
Authority: CN
Inventors: 瞿湘奇; 韩岗; 阳川; 田毛进; 邹强; 彭涛; 王成; 何佳乐
Original assignee: China Railway Guangzhou Engineering Group Co Ltd CRECGZ; CRECGZ Shenzhen Engineering Co Ltd
Current assignee: China Railway Guangzhou Engineering Group Co Ltd CRECGZ; CRECGZ Shenzhen Engineering Co Ltd
Priority date: 2021-05-17
Filing date: 2021-05-17
Publication date: 2022-02-01
Anticipated expiration: 2031-05-17

Abstract

The utility model discloses a conveniently-placed type reinforcement cage group capable of avoiding stress concentration, and relates to the technical field of constructional engineering. According to the utility model, the first sleeve, the second sleeve, the first joint and the second joint are arranged, the first sleeve is butted with the second sleeve of the adjacent reinforcement cage, the transverse axis of the first joint is collinear with the transverse axis of the second joint, and after the first joint is connected with the second joint of the transversely adjacent reinforcement cage, the top ends of transversely arranged reinforcement cage groups can be effectively ensured to be aligned when the reinforcement cage is placed down, the welding joints can be ensured to be staggered, the welding joints are ensured to be positioned in different sections, and the stress concentration is effectively avoided.

Description

Avoid stress concentration's transfer of being convenient for type steel bar cage group

Technical Field

The utility model relates to the technical field of constructional engineering, in particular to a conveniently-placed type reinforcement cage group capable of avoiding stress concentration.

Background

With the continuous expansion of the construction scale of urban rail transit, more and more deep foundation engineering and more limited construction conditions, the underground continuous wall becomes the first choice of a deep foundation pit enclosure structure by the unique advantages thereof, the equivalent underground continuous wall is based on the requirement of the underground continuous wall on bending rigidity resistance, the equivalent design is carried out on the reinforcement of the underground continuous wall, the reinforcement cage of one underground continuous wall is equivalent to a row of cylindrical reinforcement cages with certain intervals, the same requirement on bending rigidity is met by the reinforcement design, the equivalent underground continuous wall is used as a novel underground continuous wall, the construction safety problem is particularly emphasized, the reinforcement cage placed down from the equivalent underground continuous wall is compact, the stress concentration problem can occur when the traditional reinforcement cage welding method is applied to the equivalent underground continuous wall, and therefore, how to provide the reinforcement cage welding method applied to the equivalent underground continuous wall becomes a safety technical problem in the construction field, therefore, the convenient-to-lower type reinforcement cage group capable of avoiding stress concentration is provided.

Current steel reinforcement cage group is transferring the in-process, is difficult to guarantee that the top of the adjacent steel reinforcement cage group in top aligns, leads to adjacent steel reinforcement cage's welded joint probably to be in same cross-section, can appear stress concentration problem, and transferring the in-process, vertical reinforcing bar can gather one pile, can produce the interference each other.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects that in the process of lowering the existing reinforcement cage group, the top ends of adjacent reinforcement cage groups at the top ends are difficult to align, so that welded joints of adjacent reinforcement cages can be positioned on the same cross section, and stress concentration can occur, and vertical reinforcements can be gathered together to generate interference among the vertical reinforcements in the process of lowering the reinforcement cage group.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides an avoid stress concentration's be convenient for transfer type steel bar cage group, includes the hoop reinforcing bar, the inboard welding of hoop reinforcing bar has the column of separating, and the inboard of separating the column is provided with vertical reinforcing bar, be connected with the spiral between hoop reinforcing bar and the vertical reinforcing bar, the draw-in groove has been seted up to the inside of column of separating, and pegs graft in the inside of draw-in groove and have a card post, the end-to-end connection of card post has the cutting ferrule, and the external connection of cutting ferrule has flexible strip, the outside top of vertical reinforcing bar is provided with the external screw thread, and vertical reinforcing bar has first sleeve pipe through threaded connection, first joint is installed to first sheathed tube end, and the inside of first joint is provided with the recess, first sheathed tube right side is provided with the second sleeve pipe, and the end-to-end connection of second sleeve pipe has the second to connect, the lug has been installed to the outside of second joint.

Preferably, the separation columns are radially distributed outwards in ten groups about the center of a circle where the hoop steel bars are located, and the length of each separation column is 1-2 cm.

Preferably, the flexible strip and the separation column form an integrated structure through a clamping sleeve, and the inner wall of the clamping sleeve is tightly attached to the outer wall of the separation column.

Preferably, a fixed structure is formed between the hoop steel bars and the vertical steel bars through the coil wires, and the edge thickness of the hoop steel bars is half of the thickness of the center.

Preferably, the first sleeve is detachably connected with the vertical steel bar, and an internal thread complementary with an external thread on the upper part of the outside of the vertical steel bar is arranged inside the first sleeve.

Preferably, the second sleeve and the first sleeve are symmetrical about the centre of the circle on which the hooped reinforcement lies, and the transverse axis of the first joint is collinear with the transverse axis of the second joint.

In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:

1. according to the utility model, the first sleeve, the second sleeve, the first joint and the second joint are arranged, the first sleeve is butted with the second sleeve of the adjacent reinforcement cage, the transverse axis of the first joint is collinear with the transverse axis of the second joint, and after the first joint is connected with the second joint of the transversely adjacent reinforcement cage, the top ends of transversely arranged reinforcement cage groups can be effectively ensured to be aligned when the reinforcement cage is placed down, the welding joints can be ensured to be staggered, the welding joints are ensured to be positioned in different sections, and the stress concentration is effectively avoided.

2. According to the utility model, the separating column, the clamping sleeve, the flexible strip and the coil wire are arranged, the vertical steel bars can be connected with the hoop steel bars through the coil wire, then the flexible strip is bent into an arc shape, and the flexible strip is connected with the separating column through the clamping sleeve, so that the vertical steel bars can be limited, the vertical steel bars can be prevented from converging in a pile even if the connection of the vertical steel bars is loosened, the vertical steel bars can be effectively separated, and the vertical steel bars can be prevented from interfering with each other.

3. According to the utility model, the hoop reinforcement is arranged, the edge thickness of the hoop is half of the thickness of the center by stamping the outer edge of the hoop reinforcement, the thinned hoop has a larger stress area, the stability of the reinforcement cage in cement paste can be improved when cement is poured, and the stress area is increased, so that the weight of concrete distributed on the surface of the hoop reinforcement is increased, the reinforcement cage can be pressed, and the phenomenon that the reinforcement cage slides upwards in the pouring process is avoided.

Drawings

FIG. 1 is a schematic view of the inner side structure of the hoop reinforcement of the present invention;

FIG. 2 is a schematic view of a first bushing installation configuration of the present invention;

FIG. 3 is an enlarged view of the portion A of FIG. 1 according to the present invention;

FIG. 4 is a schematic view of the external thread distribution of the present invention;

FIG. 5 is a schematic view of a connecting structure of a coil wire according to the present invention.

Illustration of the drawings:

1. hoop steel bars; 2. vertical reinforcing steel bars; 3. separating the columns; 4. a card sleeve; 5. a flexible strip; 6. a first joint; 7. a groove; 8. a first sleeve; 9. a second joint; 10. a bump; 11. a second sleeve; 12. a card slot; 13. clamping the column; 14. an external thread; 15. and (5) winding the filaments.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a conveniently-lowered steel bar cage group capable of avoiding stress concentration includes a hoop steel bar 1, a vertical steel bar 2, a partition column 3, a clamping sleeve 4, a flexible strip 5, a first joint 6, a groove 7, a first sleeve 8, a second joint 9, a convex block 10, a second sleeve 11, a clamping groove 12, a clamping column 13, an external thread 14 and a coil wire 15, wherein the partition column 3 is welded on the inner side of the hoop steel bar 1, the vertical steel bar 2 is arranged on the inner side of the partition column 3, ten groups of the partition column 3 are radially distributed outwards with respect to the center of the circle where the hoop steel bar 1 is located, the length of the partition column 3 is 1-2cm, ten groups of the partition column 3 are radially distributed outwards with respect to the center of the circle where the hoop steel bar 1 is located, ten groups of the vertical steel bar 2 can be simultaneously installed on the inner side of the hoop steel bar 1, the coil wire 15 is connected between the hoop steel bar 1 and the vertical steel bar 2, the clamping groove 12 is formed in the partition column 3, a clamping column 13 is inserted in the clamping groove 12, the tail end of the clamping column 13 is connected with a clamping sleeve 4, the outer part of the clamping sleeve 4 is connected with a flexible strip 5, an integrated structure is formed between the flexible strip 5 and the separation column 3 through the clamping sleeve 4, the inner wall of the clamping sleeve 4 is tightly attached to the outer wall of the separation column 3, the integrated structure ensures that the flexible strip 5 and the separation column 3 can be connected together through the clamping sleeve 4, the tight attachment ensures that the connection stability between the clamping sleeve 4 and the separation column 3 is better, an external thread 14 is arranged above the outer part of the vertical steel bar 2, the vertical steel bar 2 is connected with a first sleeve 8 through the external thread 14, the first sleeve 8 is detachably connected with the vertical steel bar 2, an internal thread which is complementary with the external thread 14 above the outer part of the vertical steel bar 2 is arranged in the first sleeve 8, the detachable connection is convenient for the installation of the first sleeve 8, the tail end of the first sleeve 8 is provided with a first joint 6, a groove 7 is arranged in the first joint 6, a second sleeve 11 is arranged on the right side of the first sleeve 8, the tail end of the second sleeve 11 is connected with a second joint 9, the second sleeve 11 and the first sleeve 8 are symmetrical about the center of the circle of the hoop reinforcement 1, the transverse axis of the first joint 6 is collinear with the transverse axis of the second joint 9, after the first joint 6 is connected with the second joints 9 of transversely adjacent reinforcement cages, the top ends of the transversely arranged reinforcement cage groups can be aligned when the reinforcement cages are arranged, a convex block 10 is arranged outside the second joint 9, a hoop reinforcement 1 and a vertical reinforcement 2 form a fixing structure through a turn wire 15, the edge thickness of the reinforcement 1 is half of the central thickness, the fixing structure ensures that the vertical reinforcement 2 can be connected with the reinforcement hoop 1 through the turn wire 15, the edge thickness of the hoop steel bar 1 is half of the thickness of the center, the edge of the hoop steel bar 1 is ensured to have a large stressed area, the stability of a steel reinforcement cage in cement paste can be improved when cement is poured, the stressed area is increased, the weight of concrete distributed on the surface of the hoop steel bar 1 is increased, the steel reinforcement cage can be pressed, and the phenomenon that the steel reinforcement cage slides upwards in the pouring process is avoided.

The working principle is as follows: when the device is used, the vertical steel bars 2 are inserted into the hoop steel bars 1, the partition columns 3 separate the vertical steel bars 2, the vertical steel bars 2 are connected with the hoop steel bars 1 through the coil wires 15, then the flexible strips 5 are bent into arcs, the flexible strips 5 are connected with the partition columns 3 through the clamping sleeves 4, the vertical steel bars 2 can be effectively separated, the first sleeve 8 is butted with the second sleeve 11 of an adjacent steel reinforcement cage, the first sleeve 8 and the second sleeve 11 are connected together through the first joint 6 and the second joint 9, two ends of a transversely arranged steel reinforcement cage group can be effectively aligned when the steel reinforcement cage is placed down, the positions of welding joints can be ensured to be staggered, the positions of the welding joints are not in the same section, the stress concentration is effectively avoided, the problem of the stress concentration of an equivalent underground continuous wall is avoided, and the stability of the structure can be ensured, the construction quality is improved, and the construction safety is ensured.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides an avoid stress concentration's transfer of being convenient for type steel bar cage group, includes hoop reinforcing bar (1), its characterized in that: the hoop reinforcement (1) is welded with a separation column (3) on the inner side, a vertical reinforcement (2) is arranged on the inner side of the separation column (3), a coil (15) is connected between the hoop reinforcement (1) and the vertical reinforcement (2), a clamping groove (12) is formed in the separation column (3), a clamping column (13) is inserted in the clamping groove (12), the tail end of the clamping column (13) is connected with a clamping sleeve (4), the outer portion of the clamping sleeve (4) is connected with a flexible strip (5), an external thread (14) is arranged above the outer portion of the vertical reinforcement (2), the vertical reinforcement (2) is connected with a first sleeve (8) through the external thread (14), a first joint (6) is installed at the tail end of the first sleeve (8), a groove (7) is formed in the first joint (6), a second sleeve (11) is arranged on the right side of the first sleeve (8), and the end of the second sleeve (11) is connected with a second joint (9), and a lug (10) is arranged outside the second joint (9).

2. The easy-to-lower reinforcement cage assembly avoiding stress concentration of claim 1, wherein: the separation columns (3) are radially distributed outwards in ten groups relative to the center of a circle where the hoop steel bars (1) are located, and the length of each separation column (3) is 1-2 cm.

3. The easy-to-lower reinforcement cage assembly avoiding stress concentration of claim 1, wherein: the flexible strip (5) and the separation column (3) form an integrated structure through the clamping sleeve (4), and the inner wall of the clamping sleeve (4) is tightly attached to the outer wall of the separation column (3).

4. The easy-to-lower reinforcement cage assembly avoiding stress concentration of claim 1, wherein: the hoop steel bars (1) and the vertical steel bars (2) form a fixed structure through the coil wires (15), and the edge thickness of the hoop steel bars (1) is half of the thickness of the center.

5. The easy-to-lower reinforcement cage assembly avoiding stress concentration of claim 1, wherein: first sleeve pipe (8) and vertical reinforcing bar (2) between be for can dismantling the connection, and the inside of first sleeve pipe (8) is provided with the internal thread complementary with vertical reinforcing bar (2) outside top external screw thread (14).

6. The easy-to-lower reinforcement cage assembly avoiding stress concentration of claim 1, wherein: the second sleeve (11) and the first sleeve (8) are symmetrical about the center of the circle where the hoop reinforcement (1) is located, and the transverse axis of the first joint (6) is collinear with the transverse axis of the second joint (9).