Recycling steel plate foundation pit supporting structure

Abstract

The utility model discloses a recycled steel plate foundation pit supporting structure which solves the technical problem that a foundation pit supporting structure cannot be recycled. The device comprises a plurality of pairs of vertically-arranged B-type supporting plates, A-type supporting plates are horizontally arranged at the tops of each pair of B-type supporting plates respectively, the A-type supporting plates are perpendicular to the inner wall of a foundation pit, and the two ends of each A-type supporting plate are detachably connected with the corresponding B-type supporting plates respectively. A C-shaped supporting plate is horizontally arranged between every two adjacent B-shaped supporting plates close to one side of the inner wall of the foundation pit, and the two ends of each C-shaped supporting plate are detachably connected with the corresponding B-shaped supporting plates. According to the utility model, the foundation pit supporting structure can be detached, so that the foundation pit supporting structure can be recycled, the construction cost of foundation pit supporting is reduced, and the foundation pit supporting structure is low-carbon and pollution-free.

Description

Technical Field

[0001] The utility model belongs to the technical field of foundation pit support, and in particular relates to a foundation pit support structure that recycles steel plates. Background Art

[0002] Foundation pit support is a measure of support, reinforcement and protection for the side walls of the foundation pit and the surrounding environment to ensure the safety of underground structure construction and the surrounding environment of the foundation pit.

[0003] In the related art, the foundation pit support usually involves driving multiple support plates into the soil layer, and then welding two adjacent steel plates together through a connecting plate to achieve temporary support for the foundation pit. However, after the foundation pit support operation is completed, the foundation pit support structure is difficult to disassemble and cannot be recycled, which increases the cost of the foundation pit support and needs to be improved. Utility Model Content

[0004] In order to solve all or part of the above problems, the purpose of the utility model is to provide a recycled steel plate foundation pit support structure, which can be disassembled and recycled, reduces the cost of foundation pit support, and is low-carbon and pollution-free.

[0005] The utility model provides a recycling steel plate foundation pit support structure, comprising a plurality of pairs of vertically arranged B-type support plates, each pair of the B-type support plates is horizontally provided with an A-type support plate on the top, the A-type support plate is perpendicular to the inner wall of the foundation pit, and the two ends of the A-type support plate are respectively detachably connected to the corresponding B-type support plate, and C-type support plates are respectively horizontally provided between two adjacent B-type support plates close to one side of the inner wall of the foundation pit, and the two ends of the C-type support plate are respectively detachably connected to the corresponding B-type support plate.

[0006] Optionally, both ends of the A-type support plate are respectively vertically fixedly connected with a plurality of limiting clamping limbs, and the plurality of limiting clamping limbs can jointly pull and limit the corresponding pair of B-type support plates.

[0007] Optionally, a plurality of A-shaped ribs are horizontally fixedly connected to the lower surface of the A-shaped supporting plate, two adjacent A-shaped ribs are parallel to each other, and both ends of the A-shaped ribs are respectively fixedly connected to corresponding limit clamping limbs.

[0008] Optionally, a plurality of limit slots are provided on the top of the B-type supporting plate, and both ends of the A-type rib plate can be respectively inserted into the corresponding limit slots.

[0009] Optionally, a plurality of B-shaped ribs are vertically fixedly connected to the surface of the B-shaped supporting plate, and two adjacent B-shaped ribs are parallel to each other.

[0010] Optionally, a plurality of C-shaped ribs are horizontally fixedly connected to the surface of the C-shaped supporting plate, and two adjacent C-shaped ribs are parallel to each other.

[0011] Optionally, locking limbs are fixedly connected to both ends of the C-shaped rib, and a plurality of locking grooves are respectively provided on the B-shaped rib located on both sides of the B-shaped support plate, and the locking limbs can be inserted into the corresponding locking grooves in the horizontal direction, and a locking socket is respectively provided on the bottom inner wall of each locking groove, and the locking limbs can be inserted into the corresponding locking socket in the vertical direction.

[0012] Optionally, lifting holes are respectively provided on the A-type supporting plate and the B-type supporting plate.

[0013] Optionally, the A-type support plate, the B-type support plate and the C-type support plate are respectively made of steel plates.

[0014] It can be seen from the above technical scheme that the recycled steel plate foundation pit support structure provided by the utility model has the following advantages:

[0015] The foundation pit support structure can be disassembled, so that the foundation pit support structure can be recycled and the foundation pit support cost can be reduced. At the same time, the foundation pit support structure uses prefabricated components, which reduces on-site construction, is easy to install and dismantle, reduces labor costs, keeps the construction site clean and tidy, and improves construction quality. In addition, the foundation pit support structure is made of steel plates, which are environmentally friendly, pollution-free, green and low-carbon.

[0016] Other features and advantages of the present invention will be described in the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the technical solution of the utility model and constitute a part of the specification. Together with the embodiments of the utility model, they are used to explain the technical solution of the utility model and do not constitute a limitation on the technical solution of the utility model.

[0018] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model;

[0019] Figure 2 It is a schematic diagram of the structure of the A-type supporting plate and the B-type supporting plate in the embodiment of the utility model;

[0020] Figure 3 It is a schematic diagram of the structure of the C-type supporting plate and the B-type supporting plate in the embodiment of the utility model;

[0021] Figure 4 It is a schematic diagram of the use state of the foundation pit supporting structure in the embodiment of the utility model;

[0022] Figure 5It is a schematic diagram of the use status of the foundation pit supporting structure in the embodiment of the utility model.

[0023] Description of reference numerals:

[0024] 1. A-type support plate; 2. B-type support plate; 3. C-type support plate; 4. Limiting clamp; 5. A-type rib plate; 6. Limiting slot; 7. B-type rib plate; 8. C-type rib plate; 9. Locking clamp; 10. Locking slot; 11. Locking bayonet; 12. Lifting hole. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the utility model more clear, the embodiments of the utility model will be described in detail with reference to the accompanying drawings. It should be noted that the embodiments and features in the embodiments of the utility model can be combined with each other arbitrarily without conflict.

[0026] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 The figure shows an embodiment of the utility model, which discloses a recycled steel plate foundation pit support structure, including multiple pairs of vertically arranged B-type support plates 2, the B-type support plates 2 are used to be driven into the formation, and one of each pair of B-type support plates 2 is close to the inner wall of the foundation pit, and the other is far away from the inner wall of the foundation pit, that is, the multiple pairs of B-type support plates 2 are divided into inner and outer layers surrounding the four sides of the foundation pit.

[0027] In one embodiment, Figure 1 , Figure 2 As shown, an A-type support plate 1 is horizontally arranged on the top of each pair of B-type support plates 2, and the A-type support plate 1 is perpendicular to the inner wall of the foundation pit, and the two ends of the A-type support plate 1 are detachably connected to the corresponding B-type support plate 2. At the same time, a C-type support plate 3 is horizontally arranged between two adjacent B-type support plates 2 on one side close to the inner wall of the foundation pit, and the two ends of the C-type support plate 3 are detachably connected to the corresponding B-type support plate 2.

[0028] The recycled steel plate foundation pit support structure in this embodiment adopts a split structure, that is, each part can be disassembled, so that the foundation pit support structure can be recycled, reducing the cost of foundation pit support and being more environmentally friendly.

[0029] In one embodiment, Figure 1 , Figure 2As shown, a plurality of limit clamping limbs 4 are vertically arranged at both ends of the A-type support plate 1, and the limit clamping limbs 4 are welded and fixed or integrally connected with the A-type support plate 1. A plurality of A-type ribs 5 are horizontally arranged on the lower surface of the A-type support plate 1, and two adjacent A-type ribs 5 are parallel to each other, and the A-type ribs 5 are welded and fixed or integrally connected with the A-type support plate 1. At the same time, the two ends of the A-type ribs 5 are welded and fixed or integrally connected with the corresponding limit clamping limbs 4.

[0030] In one embodiment, Figure 1 , Figure 2 As shown, a plurality of limit slots 6 are provided on the top of the B-type support plate 2, and the two ends of the A-type rib plate 5 can be respectively inserted into the corresponding limit slots 6, and at the same time, the plurality of limit limbs 4 can jointly pull and limit the corresponding pair of B-type support plates 2. That is, when the two ends of the A-type rib plate 5 are respectively inserted into the corresponding limit slots 6, the plurality of limit limbs 4 are respectively in contact with the B-type support plate 2, and each pair of B-type support plates 2 is respectively located between the plurality of limit limbs 4, and at this time, the limit limbs 4 can limit the pair of B-type support plates 2 in the horizontal direction.

[0031] In this embodiment, four A-type ribs 5 are provided, and eight limiting clamping limbs 4 and limiting clamping slots 6 are provided respectively. Of course, in other embodiments, other numbers may be provided. At the same time, the sizes of the A-type ribs 5 and the limiting clamping slots 6 in this application match, that is, the A-type ribs 5 can be tightly inserted into the limiting clamping slots 6, so that the friction between the two can realize the connection between the A-type support plate 1 and the B-type support plate 2.

[0032] In one embodiment, Figure 1 , Figure 3 As shown, a plurality of B-shaped ribs 7 are vertically arranged on the surface of the B-shaped support plate 2, two adjacent B-shaped ribs 7 are parallel to each other, and the B-shaped ribs 7 are welded fixed or integrally connected to the B-shaped support plate 2. A plurality of C-shaped ribs 8 are horizontally arranged on the surface of the C-shaped support plate 3, two adjacent C-shaped ribs 8 are parallel to each other, and the C-shaped ribs 8 are welded fixed or integrally connected to the C-shaped support plate 3 to improve the structural strength.

[0033] In the present embodiment, four B-shaped ribs 7 and four C-shaped ribs 8 are provided respectively. Of course, in other embodiments, the number may be other numbers, which are not listed here one by one.

[0034] In one embodiment, Figure 1 , Figure 3As shown, the two ends of the C-shaped rib 8 are respectively fixedly connected with locking limbs 9, and the B-shaped ribs 7 located on both sides of the B-shaped support plate 2 are respectively provided with a plurality of locking grooves 10, and the locking limbs 9 can be inserted into the corresponding locking grooves 10 in the horizontal direction. At the same time, the bottom inner wall of each locking groove 10 is respectively provided with a locking bayonet 11, and the locking limbs 9 can be inserted into the corresponding locking bayonet 11 in the vertical direction.

[0035] That is, the C-type support plate 3 is pushed horizontally to move, and the locking limb 9 is inserted into the corresponding locking groove 10, and then the C-type support plate 3 is pressed downward to move, and when the locking limb 9 is inserted into the corresponding locking opening 11, the C-type support plate 3 and the B-type support plate 2 can be fixed. In this embodiment, the locking limb 9 matches the size of the locking groove 10 and the locking opening, and the friction force thereof can realize the connection and fixation of the C-type support plate 3 and the B-type support plate 2.

[0036] In one embodiment, Figure 1 , Figure 2 As shown, the A-type support plate 1 and the B-type support plate 2 are respectively provided with lifting holes 12, so that the staff can lift the A-type support plate 1 and the B-type support plate 2. At the same time, the A-type support plate 1, the B-type support plate 2, the C-type support plate 3 and the rib plate are respectively made of steel plates, which are environmentally friendly and pollution-free, and can also improve the durability of use.

[0037] The recycling steel plate foundation pit support structure in this embodiment is used as follows Figure 4 , Figure 5 As shown:

[0038] S1, determine the excavation range line of the foundation pit.

[0039] S2, evenly locate the insertion position of the inner layer B-type support plate 2 along the excavation range line of the foundation pit.

[0040] S3, locate the insertion position of the outer B-type support plate 2 at a position perpendicular to the foundation pit excavation range line.

[0041] S4, use mechanical equipment to vertically drive the B-type support plate 2 into the insertion position.

[0042] S5, use the A-type support plate 1 to tie the two corresponding B-type support plates 2 on the inner and outer layers.

[0043] S6, excavation of foundation pit.

[0044] S7, use a C-type supporting plate 3 to connect two adjacent B-type supporting plates 2.

[0045] S8, after the foundation construction is completed, remove the C-type support plate 3.

[0046] S9, use a mechanical crane to dig out type A support plate 1 and type B support plate 2.

[0047] S10, sort and pack for next time recycling.

[0048] As can be seen from the above, the foundation pit support structure can be disassembled, so that the foundation pit support structure can be recycled and the foundation pit support cost can be reduced. At the same time, the foundation pit support structure uses prefabricated components, which reduces on-site construction, is easy to install and dismantle, reduces labor costs, keeps the construction site clean and tidy, and improves construction quality. In addition, the foundation pit support structure is made of steel plates, which are environmentally friendly, pollution-free, green and low-carbon.

[0049] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in the present invention should have the common meanings understood by technicians in the field to which the present invention belongs.

[0050] In addition, the terms "first", "second", etc. are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present utility model, the meaning of "plurality" is more than two, unless otherwise clearly and specifically limited.

[0051] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it; although the utility model has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the above embodiments, or replace some or all of the technical features therein by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model, and they should all be included in the scope of the claims and description of the utility model. In particular, as long as there is no structural conflict, the various technical features mentioned in each embodiment can be combined in any way. The utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions that fall within the scope of the claims.

Claims

1. A recycled steel plate foundation pit support structure, characterized in that: The invention comprises a plurality of pairs of vertically arranged B-type supporting plates (2), wherein an A-type supporting plate (1) is horizontally arranged on the top of each pair of the B-type supporting plates (2), the A-type supporting plates (1) are perpendicular to the inner wall of the foundation pit, and the two ends of the A-type supporting plates (1) are detachably connected to the corresponding B-type supporting plates (2), and a C-type supporting plate (3) is horizontally arranged between two adjacent B-type supporting plates (2) on one side close to the inner wall of the foundation pit, and the two ends of the C-type supporting plate (3) are detachably connected to the corresponding B-type supporting plates (2).

2. The recycled steel plate foundation pit support structure according to claim 1 is characterized in that: A plurality of position-limiting clamping limbs (4) are respectively and vertically fixedly connected to both ends of the A-type supporting plate (1), and the plurality of position-limiting clamping limbs (4) can jointly pull and limit the corresponding pair of B-type supporting plates (2).

3. The recycled steel plate foundation pit support structure according to claim 2 is characterized in that: A plurality of A-shaped ribs (5) are horizontally fixedly connected to the lower surface of the A-shaped support plate (1), two adjacent A-shaped ribs (5) are parallel to each other, and two ends of the A-shaped ribs (5) are respectively fixedly connected to corresponding limit clamping limbs (4).

4. The recycled steel plate foundation pit support structure according to claim 3 is characterized in that: A plurality of limiting slots (6) are provided on the top of the B-type supporting plate (2), and both ends of the A-type rib plate (5) can be respectively inserted into the corresponding limiting slots (6).

5. The recycled steel plate foundation pit support structure according to claim 1 is characterized in that: A plurality of B-shaped ribs (7) are vertically fixedly connected to the surface of the B-shaped supporting plate (2), and two adjacent B-shaped ribs (7) are parallel to each other.

6. The recycled steel plate foundation pit support structure according to claim 5 is characterized in that: A plurality of C-shaped ribs (8) are horizontally fixedly connected to the surface of the C-shaped support plate (3), and two adjacent C-shaped ribs (8) are parallel to each other.

7. The recycled steel plate foundation pit support structure according to claim 6 is characterized in that: The two ends of the C-shaped rib plate (8) are respectively fixedly connected with locking limbs (9); the B-shaped rib plate (7) located on both sides of the B-shaped support plate (2) is respectively provided with a plurality of locking grooves (10); and the locking limbs (9) can be inserted into the corresponding locking grooves (10) in the horizontal direction; the bottom inner wall of each locking groove (10) is respectively provided with a locking bayonet (11); and the locking limbs (9) can be inserted into the corresponding locking bayonet (11) in the vertical direction.

8. The recycled steel plate foundation pit support structure according to claim 1 is characterized in that: The A-type supporting plate (1) and the B-type supporting plate (2) are respectively provided with lifting holes (12).

9. The recycled steel plate foundation pit support structure according to claim 1 is characterized in that: The A-type supporting plate (1), the B-type supporting plate (2) and the C-type supporting plate (3) are respectively made of steel plates.

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