Foundation pit steel support structure

Abstract

The utility model relates to the technical field of building construction, and provides a foundation pit steel supporting structure which comprises two side plates and a steel member. The two bottom plates are fixedly mounted on the opposite surfaces of the two side plates; the two groups of reinforcers are arranged on the surfaces, far away from the steel member, of the two side plates. During use, the bottom plates on the surfaces of the side plates are embedded into the two sides of a foundation pit, the tops of the bottom plates are filled with soil, the bottom plates are pressed through the gravity of the soil, meanwhile, the reinforcing pieces and the vertical plates are matched to improve the overall pressure resistance of the side plates, and the phenomenon that the portions, close to the tops, of the side plates are bent due to the pressure of the soil is prevented; and meanwhile, triangular plates on the surface make contact with side plates, the pressure resistance is further enhanced, and the phenomenon that the structure is damaged due to too large pressure caused by soil movement, and collapse is caused is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a foundation pit steel supporting structure. Background Art

[0002] The support systems currently used in construction and municipal engineering can be divided into steel pipe supports, steel support and concrete support according to their materials. Steel structure supports have the advantages of small dead weight, easy installation and dismantling, and reusability. According to the progress of earth excavation, steel supports can be supported as they are excavated, and prestress can be applied, which is very beneficial for controlling wall deformation. Therefore, steel structure supports are generally preferred.

[0003] However, in the prior art, since the steel support structure acts on the support plates on both sides of the foundation pit, when the side plates are subjected to the pressure of the soil in the foundation pit, the support structure is easily subjected to greater stress. In severe cases, the steel support structure may be damaged, affecting the normal construction progress. In addition, some steel support structure components are usually made of steel, so parts need to be spliced ​​inside the foundation pit of different lengths, which has certain limitations. Utility Model Content

[0004] The purpose of the utility model is to solve the problem in the prior art: since the steel support structure acts on the supporting plates on both sides of the foundation pit, when the side plates are subjected to the pressure of the soil in the foundation pit, the supporting structure is easily subjected to greater stress. In severe cases, it will cause damage to the steel support structure and affect the normal construction progress. In addition, some steel support structure components are usually made of steel, so parts need to be spliced ​​inside the foundation pit of different lengths, so there are certain limitations.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a foundation pit steel support structure, comprising: two side plates and a steel member; two bottom plates, both fixedly mounted on the surfaces of the two side plates at opposite locations; and further comprising:

[0006] Two groups of reinforcement members are arranged on the surfaces of the two side plates away from the steel members, and a plurality of vertical plates are arranged on the surfaces of the two side plates away from the steel members;

[0007] Two slide grooves are both provided on the surface of the steel member at symmetrical positions, and support members are slidably embedded in the two slide grooves;

[0008] A plurality of mounting grooves are arranged on the surface of one side of the two side plates close to the steel member.

[0009] Preferably, one side surface of the two groups of reinforcements is in contact with the bottom plate, and one side surface of the two groups of vertical plates is fixedly mounted on the surface of the bottom plate.

[0010] The technical effect of adopting the above further solution is: the reinforcement member and the vertical plate are connected through the bottom plate, forming a triangular support structure with the installation groove to enhance the bearing capacity.

[0011] Preferably, one end surface of the two support members is movably embedded in the installation groove, and a plurality of triangular plates are provided on one side surface of the two support members close to the bottom plate.

[0012] The technical effect of adopting the above further solution is: the length is adjusted by moving the support member inside the slide groove, and the movement of the support member drives the triangle plate on the surface to move.

[0013] Preferably, one side surface of the plurality of triangular plates is in contact with the surface of the side plate, and a plurality of slots are formed on the surfaces of the two support members away from the triangular plates.

[0014] The technical effect of adopting the above further solution is: the supporting force is enhanced by the contact between the triangular plate and the side plate, and at the same time, a slot is provided on the surface of the support to facilitate the installation of internal parts.

[0015] Preferably, connecting rods are movably embedded inside the plurality of the slots, and a plurality of groups of positioning holes are provided on surfaces of the two support members away from the triangular plates.

[0016] The technical effect of adopting the above further solution is: by installing the connecting rod inside the slot, the bearing capacity of the support member is strengthened, and at the same time, positioning holes are opened on the surface of the support member to facilitate the installation of internal parts.

[0017] Preferably, a plurality of springs are fixedly installed at symmetrical positions on the top surface of the steel member, and the plurality of springs are evenly divided into two groups.

[0018] The technical effect of adopting the above further solution is: providing supporting force to the spring on the surface through the steel component.

[0019] Preferably, the two groups of springs are fixedly mounted with long rods on the surface away from the steel member, and the two long rods are fixedly mounted with a plurality of positioning pins on the surface close to the steel member.

[0020] The technical effect of adopting the above further solution is: the long rod on the surface is provided with a reset capability by the spring, and when the long rod moves, the positioning pin on the surface is driven to move.

[0021] Preferably, the plurality of positioning pins are movably embedded in the interior of the steel member, and one end of the plurality of positioning pins is movably embedded in the interior of one group of positioning holes.

[0022] The technical effect of adopting the above further solution is: the positioning pin is limited by the steel member, and when the long rod is embedded in the positioning hole, the support member is positioned.

[0023] Compared with the prior art, the advantages and positive effects of the present utility model are as follows.

[0024] 1. In the present utility model, during use, by embedding the bottom plate on the surface of the side plate into both sides of the foundation pit, filling the top of the bottom plate with soil, using the gravity of the soil itself to press the bottom plate, and at the same time cooperating with the reinforcing member and the vertical plate to improve the overall compressive resistance of the side plate, preventing the part of the side plate near the top from being bent due to the pressure of the soil. The end of the support member in the internal of the chute is embedded in the installation groove for installation. At the same time, the triangular plate on the surface contacts the side plate to further enhance the compressive resistance, preventing the structure from being damaged due to excessive pressure caused by soil movement and resulting in collapse.

[0025] 2. In the present utility model, a connecting rod is embedded in the internal of the clamping groove to enhance the bearing capacity of the support member. By pulling the long rod, the positioning pin on the surface of one end is disengaged from the internal of the connecting rod. The two ends of the spring are respectively connected to the surface of the steel member and the long rod to provide a reset ability for the long rod, thereby expanding the movement of the support member. The positioning pin is embedded in the internal of the connecting rod to perform a limiting function, achieving an adjustment effect, making it applicable to foundation pits of different lengths and improving the applicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 is a schematic side view structure diagram of a steel support structure for a foundation pit proposed by the present utility model;

[0027] Figure 2 is a partial unfolded structure diagram of a steel support structure for a foundation pit proposed by the present utility model;

[0028] Figure 3 is a partial sectional structure diagram of a steel support structure for a foundation pit proposed by the present utility model;

[0029] Figure 4 is an enlarged structure diagram at position A of a steel support structure for a foundation pit proposed by the present utility model.

[0030] LEGEND DESCRIPTION:

[0031] 1. Side plate; 101. Installation groove; 102. Bottom plate; 103. Reinforcing member; 104. Vertical plate; 2. Steel member; 201. Chute; 2011. Support member; 2012. Clamping groove; 2013. Positioning hole; 2014. Triangular plate; 2015. Connecting rod; 202. Spring; 203. Long rod; 204. Positioning pin. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0032] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0033] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0034] Embodiment 1, as Figure 1-4 As shown, the utility model provides a foundation pit steel support structure, including: two side plates 1 and a steel member 2; two bottom plates 102, both fixedly mounted on the surfaces of the two side plates 1 at opposite locations; also including: two groups of reinforcement members 103, arranged on the surfaces of the two side plates 1 away from the steel member 2, and a plurality of vertical plates 104 are arranged on the surfaces of the two side plates 1 away from the steel member 2; two slide grooves 201, both opened on the surfaces of the steel member 2 at symmetrical locations, and support members 2011 are slidably embedded inside the two slide grooves 201; a plurality of installation grooves 101, opened on the surface of one side of the two side plates 1 close to the steel member 2.

[0035] In this embodiment, when in use, the bottom plate 102 on the surface of the side plate 1 is embedded into both sides of the foundation pit, and the soil is filled on the top of the bottom plate 102. The soil's own gravity is used to press the bottom plate 102. At the same time, the reinforcement 103 and the vertical plate 104 are used to improve the overall pressure resistance of the side plate 1 to prevent the part of the side plate 1 close to the top from bending due to the pressure of the soil. One end of the support member 2011 inside the slide groove 201 is embedded in the installation groove 101 for installation. At the same time, the triangular plate 2014 on the surface is in contact with the side plate 1 to further enhance the pressure resistance and prevent the structure from being damaged due to excessive pressure caused by soil movement, resulting in collapse.

[0036] In the second embodiment, one side surface of the two sets of reinforcement members 103 is in contact with the bottom plate 102, one side surface of the two sets of vertical plates 104 is fixedly mounted on the surface of the bottom plate 102, one end surface of the two support members 2011 is movably embedded in the interior of the mounting groove 101, and one side surface of the two support members 2011 close to the bottom plate 102 is provided with a plurality of triangular plates 2014, one side surface of the plurality of triangular plates 2014 is in contact with the surface of the side plate 1, and a plurality of slots 2012 are provided on the surfaces of the two support members 2011 away from the triangular plates 2014, and the interior of the plurality of slots 2012 is movably embedded. There is a connecting rod 2015, and multiple groups of positioning holes 2013 are opened on the surface of the two support members 2011 away from the triangular plate 2014. Multiple springs 202 are fixedly installed at symmetrical positions on the top surface of the steel component 2. The multiple springs 202 are evenly divided into two groups. The two groups of springs 202 are fixedly installed with long rods 203 on the surface away from the steel component 2. The two long rods 203 are fixedly installed with multiple positioning pins 204 on the surface close to the steel component 2. The multiple positioning pins 204 are movably embedded in the interior of the steel component 2, and one end of the multiple positioning pins 204 is movably embedded in one group of positioning holes 2013.

[0037] In this embodiment, a connecting rod 2015 is embedded in the slot 2012 to strengthen the bearing capacity of the support member 2011. By pulling the long rod 203, the positioning pin 204 on one end surface is disengaged from the inside of the connecting rod 2015. The two ends of the spring 202 are respectively connected to the surface of the steel component 2 and the long rod 203, providing a reset capability for the long rod 203, thereby extending the support member 2011 for movement. The positioning pin 204 is embedded in the connecting rod 2015 to limit its position, thereby achieving an adjustment effect, making it suitable for foundation pits of different lengths, thereby improving the applicability of the device.

[0038] Working principle: When in use, the bottom plate 102 on the surface of the side plate 1 is embedded into both sides of the foundation pit, and the soil is filled on the top of the bottom plate 102. The soil's own gravity is used to press the bottom plate 102. At the same time, the reinforcement 103 and the vertical plate 104 are used to improve the overall pressure resistance of the side plate 1 to prevent the part of the side plate 1 close to the top from being bent due to the pressure of the soil. One end of the support member 2011 inside the slide groove 201 is embedded in the installation groove 101 for installation. At the same time, the triangular plate 2014 on the surface is in contact with the side plate 1 to further enhance the pressure resistance and prevent the structure from being subjected to excessive pressure due to soil movement. In order to prevent the damage and collapse of the supporting member 2011, a connecting rod 2015 is embedded in the card slot 2012 to strengthen the bearing capacity of the supporting member 2011. By pulling the long rod 203, the locating pin 204 on one end surface is separated from the connecting rod 2015. The two ends of the spring 202 are respectively connected to the surface of the steel member 2 and the long rod 203 to provide the long rod 203 with a reset ability, thereby extending the supporting member 2011 for movement. The locating pin 204 is embedded in the connecting rod 2015 to limit its position, thereby achieving an adjustment effect, making it suitable for foundation pits of different lengths, thereby improving the applicability of the device.

[0039] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A foundation pit steel support structure, comprising: two side panels (1) and a steel member (2); The two bottom plates (102) are both fixedly mounted on the surfaces of the two side plates (1) at opposite locations; and are characterized in that they further include: Two groups of reinforcement members (103) are arranged on the surfaces of the two side plates (1) away from the steel member (2), and a plurality of vertical plates (104) are arranged on the surfaces of the two side plates (1) away from the steel member (2); Two slide grooves (201) are both provided on the surface of the steel member (2) at symmetrical locations, and support members (211) are slidably embedded inside the two slide grooves (201); A plurality of mounting grooves (101) are provided on the surface of one side of the two side plates (1) close to the steel member (2).

2. A foundation pit steel support structure according to claim 1, characterized in that: One side surface of the two groups of reinforcement members (103) is in contact with the bottom plate (102), and one side surface of the two groups of vertical plates (104) is fixedly mounted on the surface of the bottom plate (102).

3. A foundation pit steel support structure according to claim 1, characterized in that: One end surface of the two support members (2011) is movably embedded in the interior of the installation groove (101), and a plurality of triangular plates (2014) are provided on one side surface of the two support members (2011) close to the bottom plate (102).

4. A foundation pit steel support structure according to claim 3, characterized in that: One side surface of the plurality of triangular plates (2014) is in contact with the surface of the side plate (1), and a plurality of slots (2012) are provided on the surfaces of the two support members (2011) away from the triangular plates (2014).

5. A foundation pit steel support structure according to claim 4, characterized in that: Connecting rods (2015) are movably embedded in the interior of the plurality of the slots (2012), and a plurality of groups of positioning holes (2013) are provided on the surfaces of the two supporting members (2011) away from the triangular plate (2014).

6. A foundation pit steel support structure according to claim 5, characterized in that: A plurality of springs (202) are fixedly installed at symmetrical positions on the top surface of the steel component (2), and the plurality of springs (202) are evenly divided into two groups.

7. A foundation pit steel support structure according to claim 6, characterized in that: The two groups of springs (202) are fixedly mounted with long rods (203) away from the surface of the steel component (2), and the two long rods (203) are fixedly mounted with a plurality of positioning pins (204) close to the surface of the steel component (2).

8. The foundation pit steel support structure according to claim 7, characterized in that: The plurality of positioning pins (204) are movably embedded in the interior of the steel component (2), and one end of the plurality of positioning pins (204) is movably embedded in the interior of one group of positioning holes (2013).

Images