High-stability foundation pit annular steel supporting system

Abstract

The utility model relates to the technical field of foundation pit steel supporting structures, in particular to a high-stability foundation pit annular steel supporting system which comprises inner ring vertical steel supports and outer ring vertical steel supports, inner ring transverse steel supports are arranged at the tops and the bottoms of the inner ring vertical steel supports, and the inner ring transverse steel supports are fixedly connected between the inner ring vertical steel supports. Outer ring transverse steel supports are arranged at the tops and the bottoms of the outer ring vertical steel supports, and the outer ring transverse steel supports are fixedly connected between the outer ring vertical steel supports. According to the device, the foundation frame can be reinforced through the inclined reinforcing steel supports and the horizontal reinforcing steel supports, so that the foundation frame is more stable, the outer side ends of the horizontal reinforcing steel supports abut against the inner sides of the outer side supporting baffles, and the edges of a foundation pit are stably supported through the bent outer side supporting baffles; and the steel supporting structure has a good supporting effect on the annular foundation pit.

Description

Technical Field

[0001] The utility model relates to the technical field of foundation pit steel support structures, in particular to a high-stability foundation pit annular steel support system. Background Art

[0002] The excavation and support of deep foundation pits must use foundation pit steel support structures. Foundation pit steel support structures generally use multiple steel support straight pipes for bolt connection to play a supporting role. This support structure has the advantages of high rigidity, strong supporting force, reusability, and green environmental protection.

[0003] Some existing foundation pit steel support systems use straight pipes for connection. When a circular foundation pit needs to be supported, it is difficult to stably support the edge of the foundation pit due to the long steel support straight pipes, which makes the steel support structure have a poor supporting effect on the circular foundation pit. Therefore, a high-stability foundation pit circular steel support system is proposed to address the above problem. Utility Model Content

[0004] The utility model aims to provide a high-stability annular steel support system for foundation pits, so as to solve the problem that some existing foundation pit steel support systems use straight pipes for connection. When the annular foundation pit needs to be supported, the steel support straight pipes are long and it is difficult to stably support the edge of the foundation pit, resulting in poor support effect of the steel support structure on the annular foundation pit.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A high-stability foundation pit annular steel support system comprises an inner ring vertical steel support and an outer ring vertical steel support, wherein the inner ring vertical steel support is provided with an inner ring transverse steel support at the top and bottom, the inner ring vertical steel supports are fixedly connected with the inner ring transverse steel supports, the outer ring vertical steel supports are provided with an outer ring transverse steel support at the top and bottom, the outer ring vertical steel supports are fixedly connected with the outer ring transverse steel supports, the tops of the inner ring vertical steel supports and the outer ring vertical steel supports are provided with top connecting steel supports, the bottoms of the inner ring vertical steel supports and the outer ring vertical steel supports are provided with bottom connecting steel supports, Both ends of the inner ring transverse steel support and the outer ring transverse steel support are fixedly connected to the top connecting steel support and the bottom connecting steel support, and inclined reinforcing steel supports are arranged between the top connecting steel support and the bottom connecting steel support, and a first connecting block is welded on the top of the inclined reinforcing steel support, and a second connecting block is welded on the bottom of the inclined reinforcing steel support, and the middle position of the inner ring transverse steel support and the outer ring transverse steel support is fixedly connected to the horizontal reinforcing steel support, and the outer ring vertical steel support is provided with an outer support baffle on the inner side, and the first fixed block and the second fixed block are respectively welded on both ends of the outer support baffle.

[0007] Preferably, the outer ring vertical steel support is fixedly connected to the first fixed block and the second fixed block on the inner side thereof, and both ends of the inner ring transverse steel support and the outer ring transverse steel support are fixedly connected to the top connecting steel support and the bottom connecting steel support, and the bottom of the top connecting steel support is fixedly connected to the top of the first connecting block, and the top of the bottom connecting steel support is fixedly connected to the bottom of the second connecting block.

[0008] Preferably, the inner ring vertical steel supports and the outer ring vertical steel supports are both distributed vertically, the inner ring transverse steel supports and the outer ring transverse steel supports are both distributed horizontally, and the inner ring transverse steel supports are shorter than the outer ring transverse steel supports.

[0009] Preferably, the top connecting steel support and the bottom connecting steel support are both distributed horizontally, the inclined reinforcing steel supports are both distributed obliquely, the first connecting block and the second connecting block are both rectangular blocks, and the horizontal reinforcing steel supports are both distributed horizontally.

[0010] Preferably, the outer supporting baffles are all curved rectangular plates, the first fixing blocks and the second fixing blocks are both in multiple groups, each group of the first fixing blocks and the second fixing blocks has two respectively, and the first fixing blocks and the second fixing blocks are both rectangular blocks.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] In the utility model, by setting the inclined reinforced steel support, horizontal reinforced steel support and outer support baffle, the device can reinforce the basic frame composed of the inner ring vertical steel support, the outer ring vertical steel support, the inner ring transverse steel support, the outer ring transverse steel support, the top connecting steel support and the bottom connecting steel support through the inclined reinforced steel support and the horizontal reinforced steel support to make it more stable, and the outer end of the horizontal reinforced steel support is against the inner side of the outer support baffle, and the edge of the foundation pit is stably supported by the curved outer support baffle, so that the steel support structure has a better supporting effect on the annular foundation pit. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the installation structure of the horizontal reinforced steel support of the utility model;

[0015] Figure 3 This is a schematic diagram of the installation structure of the inclined reinforced steel support of the utility model;

[0016] Figure 4 This is a schematic diagram of the outer supporting baffle structure of the utility model.

[0017] In the figure: 1. Inner ring vertical steel support; 2. Outer ring vertical steel support; 3. Inner ring horizontal steel support; 4. Outer ring horizontal steel support; 5. Top connecting steel support; 6. Bottom connecting steel support; 7. Inclined reinforcing steel support; 8. First connecting block; 9. Second connecting block; 10. Horizontal reinforcing steel support; 11. Outer support baffle; 12. First fixing block; 13. Second fixing block. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] In the description of the present utility model, it needs to be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present utility model; the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0020] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the utility model.

[0021] See also Figure 1-4 , the utility model provides a technical solution:

[0022] A high-stability foundation pit annular steel support system, comprising an inner ring vertical steel support 1 and an outer ring vertical steel support 2, the inner ring vertical steel support 1 is provided with an inner ring transverse steel support 3 at the top and bottom, the inner ring vertical steel support 1 is fixedly connected with the inner ring transverse steel support 3, the outer ring vertical steel support 2 is provided with an outer ring transverse steel support 4 at the top and bottom, the outer ring vertical steel support 2 is fixedly connected with the outer ring transverse steel support 4, the inner ring vertical steel support 1 and the outer ring vertical steel support 2 are provided with a top connecting steel support 5 at the top, the inner ring vertical steel support 1 and the outer ring vertical steel support 2 are provided with a bottom connecting steel support 6 at the bottom, and the inner ring transverse steel support 1 and the outer ring vertical steel support 2 are provided with a bottom connecting steel support 6 at the bottom. Both ends of the steel support 3 and the outer ring transverse steel support 4 are fixedly connected to the top connecting steel support 5 and the bottom connecting steel support 6, and an inclined reinforcing steel support 7 is provided between the top connecting steel support 5 and the bottom connecting steel support 6. The top of the inclined reinforcing steel support 7 is welded with a first connecting block 8, and the bottom of the inclined reinforcing steel support 7 is welded with a second connecting block 9. The middle position of the inner ring transverse steel support 3 and the outer ring transverse steel support 4 is fixedly connected to the horizontal reinforcing steel support 10, and the outer ring vertical steel support 2 is provided with an outer support baffle 11 on the inner side, and the first fixed block 12 and the second fixed block 13 are respectively welded at both ends of the outer support baffle 11.

[0023] The outer ring vertical steel support 2 is fixedly connected to the first fixed block 12 and the second fixed block 13 on the relatively inner side, the inner ring transverse steel support 3 and the outer ring transverse steel support 4 are fixedly connected at both ends to the top connecting steel support 5 and the bottom connecting steel support 6, the bottom of the top connecting steel support 5 is fixedly connected to the top of the first connecting block 8, and the top of the bottom connecting steel support 6 is fixedly connected to the bottom of the second connecting block 9, and the inclined reinforcing steel support 7 can be fixed between the top connecting steel support 5 and the bottom connecting steel support 6; the inner ring vertical steel support 1 and the outer ring vertical steel support 2 are both vertically distributed, the inner ring transverse steel support 3 and the outer ring transverse steel support 4 are both horizontally distributed, the inner ring transverse steel support 3 is shorter than the outer ring transverse steel support 4, and the inner ring transverse steel support 3 and the outer ring transverse steel The support 4 can constitute a basic frame; the top connecting steel support 5 and the bottom connecting steel support 6 are both horizontally distributed, the inclined reinforcing steel support 7 is both inclinedly distributed, the first connecting block 8 and the second connecting block 9 are both rectangular blocks, the horizontal reinforcing steel support 10 is both horizontally distributed, the inclined reinforcing steel support 7 and the horizontal reinforcing steel support 10 can enhance the overall stability of the frame; the outer support baffles 11 are both curved rectangular plates, the first fixing blocks 12 and the second fixing blocks 13 are both multiple groups, each group of the first fixing blocks 12 and the second fixing blocks 13 has two respectively, the first fixing blocks 12 and the second fixing blocks 13 are both rectangular blocks, and the outer support baffles 11 can be fixed to the inner side of the outer ring vertical steel support 2 by the first fixing blocks 12 and the second fixing blocks 13.

[0024] Workflow: All the various steel supports used in the structure are connected by bolts, which is achieved through the existing technical shell. Before use, check whether each component is intact. If all are intact, the structure can be assembled. First, multiple bottom connecting steel supports 6 are fixedly connected through the inner ring transverse steel support 3 and the outer ring transverse steel support 4, and then the inner ring vertical steel support 1 and the outer ring vertical steel support 2 are fixedly connected on the top of the installed inner ring transverse steel support 3 and the outer ring transverse steel support 4. Then, the remaining inner ring transverse steel supports 3 and the outer ring vertical steel support 4 are fixedly connected on the top of the inner ring vertical steel support 1 and the outer ring vertical steel support 2, and then the top connecting steel support 5 is fixedly connected on the top of the inner ring transverse steel support 3 and the outer ring transverse steel support 4 located on the upper side. The frame is roughly built, and then the inclined reinforcement steel support 7 is installed through the first connecting block 8 and the second connecting block 9. Between the top connecting steel support 5 and the bottom connecting steel support 6, the horizontal reinforcing steel support 10 is then fixedly connected in the middle position of the inner ring transverse steel support 3 and the outer ring transverse steel support 4, and finally the outer support baffle 11 is fixedly connected to the inner side of the outer ring vertical steel support 2 through the first fixed block 12 and the second fixed block 13. The device can reinforce the basic frame composed of the inner ring vertical steel support 1, the outer ring vertical steel support 2, the inner ring transverse steel support 3, the outer ring transverse steel support 4, the top connecting steel support 5, and the bottom connecting steel support 6 through the inclined reinforcing steel support 7 and the horizontal reinforcing steel support 10 to make it more stable, and the outer end of the horizontal reinforcing steel support 10 is against the inner side of the outer support baffle 11, and the edge of the foundation pit is stably supported by the bent outer support baffle 11, so that the steel support structure has a better supporting effect on the annular foundation pit.

[0025] The contents not described in detail in this specification belong to the prior art known to the professional and technical personnel in this field. The standard parts used in this utility model can be purchased from the market, and the special-shaped parts can be customized according to the description and the drawings. The specific connection methods of each part adopt the conventional means such as bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-stability foundation pit annular steel support system, comprising an inner ring vertical steel support (1) and an outer ring vertical steel support (2), characterized in that: The inner ring vertical steel support (1) is provided with an inner ring transverse steel support (3) at the top and bottom, the inner ring vertical steel supports (1) are fixedly connected to each other, the outer ring vertical steel support (2) is provided with an outer ring transverse steel support (4) at the top and bottom, the outer ring vertical steel supports (2) are fixedly connected to each other, the inner ring vertical steel support (1) and the outer ring vertical steel support (2) are provided with a top connecting steel support (5) at the top, the inner ring vertical steel support (1) and the outer ring vertical steel support (2) are provided with a bottom connecting steel support (6) at the bottom, and the inner ring transverse steel support (3) and the outer ring transverse steel support (4) are fixedly connected at both ends. A top connecting steel support (5) and a bottom connecting steel support (6) are connected, an inclined reinforcing steel support (7) is provided between the top connecting steel support (5) and the bottom connecting steel support (6), a first connecting block (8) is welded to the top of the inclined reinforcing steel support (7), a second connecting block (9) is welded to the bottom of the inclined reinforcing steel support (7), a horizontal reinforcing steel support (10) is fixedly connected between the inner ring transverse steel support (3) and the outer ring transverse steel support (4), an outer support baffle (11) is provided on the inner side relative to the inner side of the outer ring vertical steel support (2), and a first fixing block (12) and a second fixing block (13) are respectively welded to the two ends of the outer support baffle (11).

2. A high stability foundation pit annular steel support system according to claim 1, characterized in that: The outer ring vertical steel support (2) is fixedly connected to the first fixed block (12) and the second fixed block (13) on the inner side, and both ends of the inner ring transverse steel support (3) and the outer ring transverse steel support (4) are fixedly connected to the top connecting steel support (5) and the bottom connecting steel support (6), the bottom of the top connecting steel support (5) is fixedly connected to the top of the first connecting block (8), and the top of the bottom connecting steel support (6) is fixedly connected to the bottom of the second connecting block (9).

3. A high stability foundation pit annular steel support system according to claim 1, characterized in that: The inner ring vertical steel support (1) and the outer ring vertical steel support (2) are both vertically distributed, the inner ring transverse steel support (3) and the outer ring transverse steel support (4) are both horizontally distributed, and the inner ring transverse steel support (3) is shorter than the outer ring transverse steel support (4).

4. A high stability foundation pit annular steel support system according to claim 1, characterized in that: The top connecting steel support (5) and the bottom connecting steel support (6) are both distributed horizontally, the inclined reinforcing steel support (7) is both distributed obliquely, the first connecting block (8) and the second connecting block (9) are both rectangular blocks, and the horizontal reinforcing steel support (10) is both distributed horizontally.

5. The high stability foundation pit annular steel support system according to claim 1 is characterized by: The outer supporting baffles (11) are all curved rectangular plates, the first fixing blocks (12) and the second fixing blocks (13) are in multiple groups, each group of the first fixing blocks (12) and the second fixing blocks (13) are respectively two, and the first fixing blocks (12) and the second fixing blocks (13) are both rectangular blocks.

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