CN218758292U

CN218758292U - Steel reinforcement cage

Info

Publication number: CN218758292U
Application number: CN202223012937.XU
Authority: CN
Inventors: 朱德权; 王永锋; 胡立正; 张子良; 曹永刚; 张勇; 王忠诚; 贾颖刚; 王昱腾; 陈长林
Original assignee: China Railway 20th Bureau Group South Engineering Co Ltd
Current assignee: China Railway 20th Bureau Group South Engineering Co Ltd
Priority date: 2022-11-11
Filing date: 2022-11-11
Publication date: 2023-03-28
Anticipated expiration: 2032-11-11

Abstract

The utility model discloses a reinforcement cage, which comprises a framework, truss ribs and a hanging ring, wherein the framework is arranged in an extending way along a first direction; the truss ribs are arranged on the framework; rings set up in the skeleton along the tip of first direction and with skeleton integrated into one piece sets up. The utility model provides a steel reinforcement cage simple structure, the hoist and mount degree of difficulty is low.

Description

Steel reinforcement cage

Technical Field

The utility model relates to a steel reinforcement cage technical field, in particular to steel reinforcement cage.

Background

At present, for the areas developing deep underground spaces, the excavation depth of a shaft foundation pit reaches about 70 meters, an underground continuous wall is usually adopted for enclosing the foundation pit, and the thickness of the ground wall is increasingly increased. For such an ultra-deep underground diaphragm wall, the time for grooving and placing the reinforcement cage is extremely long.

In the related art, the reinforcement cage is low in strength and inconvenient to hoist, and during hoisting, the reinforcement cage falls off due to low strength of a hoisting point, so that safety accidents are caused.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing a steel reinforcement cage aims at solving the big technical problem of the hoist and mount degree of difficulty of the steel reinforcement cage among the prior art.

In order to achieve the above object, the utility model provides a steel reinforcement cage, include:

the framework extends along a first direction;

the truss ribs are arranged on the framework;

and the hoisting ring is arranged at the end part of the framework along the first direction and is integrally formed with the framework.

Optionally, the skeleton includes a plurality of main reinforcing bars that extend the setting along first direction, rings correspond to be a plurality of, each main reinforcing bar corresponds to be equipped with rings, each rings and each main reinforcing bar integrated into one piece sets up.

Optionally, rings include integrated into one piece's linkage segment, loop segment and seal segment, the both ends of loop segment respectively with the linkage segment with the seal segment is connected, the linkage segment with main reinforcing bar connects, the seal segment with the linkage segment is connected, so that spacing out the annular hole is used for hoist and mount between linkage segment, loop segment and the seal segment.

Optionally, the sealing section and the connecting section are welded and fixed.

Optionally, the reinforcement cage further includes a reinforcing member, and the reinforcing member is fixedly connected with the framework.

Optionally, the reinforcing member is an X-shaped reinforcing rib, and four supporting legs of the X-shaped reinforcing rib are respectively fixed to the framework.

Optionally, the four supporting legs are welded to the framework on two sides.

Optionally, the steel reinforcement cage is provided with a plurality of hoisting points, and a plurality of the hoisting points are arranged in the framework at intervals along the first direction.

Optionally, each hoisting point corresponds and is provided with a few font round steel, the open end of few font round steel with the owner reinforcing bar at hoisting point place is connected fixedly, few font round steel are kept away from the part of open end is connected fixedly with another owner reinforcing bar.

Optionally, the truss rib includes a plurality of longitudinal steel bar trusses and a plurality of transverse steel bar trusses, the distance between two adjacent longitudinal steel bar trusses is not greater than 1500mm, and the vertical distance between two adjacent transverse steel bar trusses is 5000mm.

The utility model discloses technical scheme has rings through the tip integrated into one piece that adopts at the skeleton of steel reinforcement cage for, because rings and skeleton integrated into one piece set up, structural strength is high, is difficult to drop at the hoist and mount in-process, and the steel reinforcement cage also is difficult for scattering the frame, and steel reinforcement cage itself from taking rings, when hoist and mount, do not need in addition to weld the hoist and mount piece temporarily on the steel reinforcement cage, reduced the hoist and mount degree of difficulty of steel reinforcement cage.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described 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 structures shown in the drawings without creative efforts.

Fig. 1 is a schematic view of a vertical reinforcement of a framework in an embodiment of a reinforcement cage of the present invention;

FIG. 2 is a cross-sectional view taken at A in FIG. 1;

fig. 3 is a schematic structural view of a lifting ring in an embodiment of the reinforcement cage of the present invention;

fig. 4 is the structural schematic diagram of the truss rib in one embodiment of the steel reinforcement cage of the utility model.

The reference numbers illustrate:

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The hoisting difficulty of the steel reinforcement cage in the prior art is high.

The utility model provides a steel reinforcement cage for the work well ground of subway is wall even.

In one embodiment, as shown in fig. 1 to 4, the reinforcement cage includes a framework 10, a truss rib 20, and a lifting ring 30, wherein the framework 10 extends along a first direction; the truss ribs 20 are arranged on the framework 10; the hanging ring 30 is disposed at an end of the frame 10 along the first direction and is integrally formed with the frame 10.

Optionally, the framework 10 is a main structure of a reinforcement cage, and is used for installing the truss ribs 20, in this embodiment, taking the first direction as a horizontal direction as an example, the reinforcement cage may be integrally extended and disposed along the horizontal direction. The truss ribs 20 are attached to the reinforcement cage by welding so that the framework 10 can withstand greater shear stresses. Rings 30 connect the tip at skeleton 10, and set up with skeleton 10 integrated into one piece, the steel reinforcement cage itself is from taking rings 30 when producing promptly, and need not to weld a piece of hoisting on skeleton 10 temporarily when hoist and mount, thereby the hoist and mount degree of difficulty of steel reinforcement cage has been reduced, and rings 30 sets up with the skeleton 10 integrated into one piece of steel reinforcement cage, it is higher to get joint strength between rings 30 and the skeleton 10, rings 30 can not appear at the hoist and mount in-process and the skeleton separation leads to the problem of steel reinforcement cage hoist and mount failure, the hoisting structure intensity of steel reinforcement cage has been promoted.

In an embodiment, the framework 10 includes a plurality of main reinforcements 11 extending along a first direction, the lifting rings 30 are correspondingly provided in a plurality, each main reinforcement 11 is provided with one lifting ring 30, and each lifting ring 30 and each main reinforcement 11 are integrally formed.

It will be understood that the number of the main reinforcements 11 may be set according to the use of the reinforcement cage, but is not limited thereto, and generally, the greater the number of the main reinforcements 11, the higher the structural strength of the framework 10. In this embodiment, for example, the reinforcement cage is used for an underground diaphragm wall of a working well, the framework 10 is rectangular, 8 main reinforcements 11 are selected, and the shape of the framework 10 is fixed by a spiral fixing stirrup. Correspondingly, in this embodiment, the number of the lifting rings 30 is also 8, and the lifting rings are arranged at one end of the reinforcement cage far away from the ground, and no lifting ring 30 is respectively integrally formed with a main reinforcement 11. It should be noted that, the crane needs a plurality of hoisting points when hoisting the reinforcement cage, and therefore, in this embodiment, the number of the hoisting rings 30 is correspondingly processed into a plurality of hoisting points, so that the hoisting strength of the reinforcement cage can be further improved.

In an embodiment, the hanging ring 30 includes a connecting section 31, an annular section 32 and a sealing section 33 which are integrally formed, two ends of the annular section 32 are respectively connected with the connecting section 31 and the sealing section 33, the connecting section 31 is connected with the main steel bar 11, and the sealing section 33 is connected with the connecting section 31, so that an annular hole is limited among the connecting section 31, the annular section 32 and the sealing section 33 for hoisting.

As shown in fig. 3, the end of the main reinforcement 11 is bent to form the ring section 32 and the sealing section 33 in sequence, and the portion of the main reinforcement 11 near the ring section 32 is defined as the connection section 31, so that the suspension ring 30 is more convenient to process while having higher structural strength. It can be understood that the larger the contact area between the sealing section 33 and the connecting section 31 is, the more stable the ring mouth formed by the ring arrangement between them is, and the sealing section is not easy to fall off during hoisting.

Further, the sealing section 33 and the connecting section 31 are connected and fixed through single-side welding, so that a lifting appliance cannot be separated from a connecting gap between the sealing section 33 and the connecting section 31 during lifting, and the reliability of the lifting ring 30 is improved.

In an embodiment, the reinforcement cage further comprises a reinforcing member 40, and the reinforcing member 40 is fixedly connected with the framework 10 by welding, so as to further improve the structural strength of the framework 10 and prevent the framework from being scattered in the hoisting process. The reinforcement 40 is made of steel bars, and may be in the form of a grid, and may be fixed to the frame 10 by welding, or may be in the form of a grid, which is not limited herein.

In one embodiment, the reinforcing member 40 is an X-shaped reinforcing bar, and four supporting legs of the X-shaped reinforcing bar are respectively fixed to the frame 10. The four supporting legs of the X-shaped reinforcing rib can be connected with the inner edge of the steel ring of the framework 10, so that the overall strength of the reinforcement cage is improved.

Furthermore, the four supporting legs and the framework 10 are welded on two sides for connection and fixation, and the welding seams and the welding length meet the design specification requirements of concrete structure design specification, so that the X-shaped reinforcing ribs and the framework 10 are integrated and are not easy to loosen. It should be noted that the plurality of X-shaped reinforcing ribs are arranged at intervals along the first direction, and each X-shaped reinforcing rib is fixedly connected with the framework 10, so as to further improve the overall structural strength of the framework.

In one embodiment, the reinforcement cage is provided with a plurality of lifting points, and the plurality of lifting points are arranged in the framework 10 at intervals along a first direction.

It can be understood that, because the whole reinforcement cage is made of the steel bars and has a large size, the main crane and the auxiliary crane are generally required to respectively hoist the upper half part and the lower half part of the reinforcement cage during hoisting. Therefore, in this embodiment, a plurality of hoisting points need to be arranged on the framework 10 of the steel reinforcement cage, so that the steel wire rope of the crane passes through the steel reinforcement cage for hoisting, and no additional temporary hoisting points need to be welded on the steel reinforcement cage.

In an embodiment, each lifting point is correspondingly provided with a plurality of round bars (not shown), the open ends of the plurality of round bars are fixedly connected with the truss ribs 20 at the main steel bars 11 where the lifting points are located, and the parts of the plurality of round bars far away from the open ends are fixedly connected with another truss rib 20. Optionally, the n-shaped round steel can be HPB300 round steel with the diameter of 32mm for reinforcing the hoisting point.

In an embodiment, the truss rib 20 includes a plurality of longitudinal steel bar trusses 21 and a plurality of transverse steel bar trusses 22, a distance between two adjacent longitudinal steel bar trusses 21 is not greater than 1500mm, and a vertical distance between two adjacent transverse steel bar trusses 22 is 5000mm.

Wherein, the vertical interval 5000mm of horizontal steel bar truss 22 arranges should be even, and hoisting point department must be provided with horizontal truss muscle 22, makes the hoist and mount of steel reinforcement cage keep balance. Arrangement of longitudinal steel bar truss 21 should satisfy the interval and be not more than 1500mm, in this embodiment, according to 1200mm interval setting, longitudinal steel bar truss 21 arranges and should be even, and welds with main reinforcing bar 11, makes steel reinforcement cage hoist and mount keep balance.

The steel reinforcement cage in this embodiment is once-through molding on the preparation platform. All the intersections of the framework 10 and the four sides of the reinforcement cage are spot-welded, the other intersections of the longitudinal and transverse edges are spot-welded in a 50% quincunx shape, and the spot-welding meshing depth is not more than 0.5mm. The steel bar joint can adopt mechanical connection or welding, the joint percentage in the same connection section is not more than 50%, and the related connection requirements are met.

The utility model discloses an embodiment, the steel reinforcement cage is hung and is put concrete step as follows: the steel reinforcement cage is hoisted by adopting a double-crane hoisting machine, the steel reinforcement cage returns to the straight state in the air, the main hoisting machine adopts a 400t crawler crane, and the auxiliary hoisting machine adopts a 150t crawler crane. When in lifting, the center of the lifting hook and the gravity center of the steel reinforcement cage must be coincided, and the balance of lifting is ensured.

The first step is as follows: and commanding 400t and 150t cranes to transfer to the hoisting position, and installing shackles of the reinforcement cage hoisting points by a crane worker.

The second step is that: trial hoisting of the reinforcement cage: and after the installation condition and the stress gravity center of the steel wire ropes of the two cranes are checked, the steel reinforcement cage starts to be horizontally hoisted at the same time. And (3) when the steel reinforcement cage is horizontally hung 0.5m away from the ground, suspending the steel reinforcement cage for about 5-10 minutes, and inspecting the welding quality of the steel reinforcement cage and a hanging point. And starting hoisting the reinforcement cage without abnormal condition.

The third step: and after the lower reinforcement cage is lifted to be 0.5m away from the ground, checking whether the reinforcement cage is stable, adjusting the rods of the main crane and the auxiliary crane to a rated hoisting angle, after the reinforcement cage is stable, hoisting the hooks at 400t, and commanding the auxiliary crane to cooperate with the hoisting hooks at any time according to the distance between the tail part of the reinforcement cage and the ground.

The fourth step: after the lower reinforcement cage is hoisted, the main crane slowly lifts the hook in the original position, the auxiliary crane slowly walks forwards or rotates the main arm along with the erection degree of the reinforcement cage, the gravity center of the pulley is ensured to be superposed with the gravity center of the reinforcement cage under the hoisting steel wire rope, and the reinforcement cage is ensured to keep dynamic balance in the hoisting process. When the reinforcement cage is vertical to the ground, the auxiliary hoisting hook is loosened.

The fifth step: and commanding the crane worker to remove the shackle of the lifting point of the 150t crane on the reinforcement cage and then keeping away from the lifting operation range.

And a sixth step: after the reinforcement cage is erected, the reinforcement cage is hoisted by a main hoisting machine, the crane runs stably, a traction rope is pulled on the reinforcement cage, and the reinforcement cage slowly runs to a preset position of an orifice

The seventh step: and commanding the 400t crane cage to enter the groove and position. The groove can not be forced to be opened when the device is put down.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. A reinforcement cage, comprising:

the framework extends along a first direction;

the truss ribs are arranged on the framework;

2. The reinforcement cage of claim 1, wherein the framework includes a plurality of main reinforcements extending in a first direction, the plurality of lifting loops are provided, each main reinforcement is provided with the lifting loop, and each lifting loop and each main reinforcement are integrally formed.

3. The reinforcement cage of claim 2, wherein the lifting ring comprises a connecting section, an annular section and a sealing section which are integrally formed, two ends of the annular section are respectively connected with the connecting section and the sealing section, the connecting section is connected with the main reinforcement, and the sealing section is connected with the connecting section, so that an annular hole is defined among the connecting section, the annular section and the sealing section for lifting.

4. The reinforcement cage of claim 3, wherein the sealing section and the connecting section are welded together.

5. The reinforcement cage of claim 1, further comprising a reinforcement member secured to the frame.

6. The reinforcement cage of claim 5, wherein the reinforcement member is an X-shaped reinforcement bar, and four support legs of the X-shaped reinforcement bar are respectively secured to the cage.

7. The reinforcement cage of claim 6, wherein four of the support feet are welded to the cage on both sides.

8. A reinforcement cage according to claim 2, wherein a plurality of suspension points are provided, a plurality of said suspension points being spaced apart along the first direction in said cage.

9. The reinforcement cage of claim 8, wherein each lifting point is correspondingly provided with a U-shaped round steel, the open end of the U-shaped round steel is fixedly connected with the main reinforcement where the lifting point is located, and the part of the U-shaped round steel far away from the open end is fixedly connected with the other main reinforcement.

10. The reinforcement cage of claim 1, wherein the truss bars comprise a plurality of longitudinal steel trusses and a plurality of transverse steel trusses, wherein adjacent longitudinal steel trusses are spaced apart by no more than 1500mm, and wherein adjacent transverse steel trusses are spaced apart by 5000mm.