Transformation structure and foundation pit supporting device

Abstract

The utility model discloses a conversion structure and a foundation pit supporting device, and belongs to the technical field of foundation pit supporting. The conversion structure comprises a connecting piece which is of a plate-shaped structure. The first supporting pieces are located on the two sides of the connecting piece and connected with the connecting piece, and holes are further formed in the first supporting pieces. The positioning piece is located on the side, away from the connecting piece, of the first supporting piece and connected with the first supporting piece. The foundation pit supporting device further comprises a second supporting piece, and the second supporting piece is connected with the positioning piece. The holes are formed in the first supporting pieces and used for allowing the steel bars to penetrate through, the steel bars directly penetrate through the holes, bending avoidance is not needed, the stress continuity of the wall plate or the wall body is guaranteed, and the problem that vertical cracks are likely to be generated at the bent positions of the steel bars is solved. The positioning piece is provided with the groove and the inner plate, so that the second supporting piece can be quickly connected with the positioning piece, and by adopting the inserting mode, the firmness of connection can be ensured, disassembly and assembly are convenient, the construction time is saved, the working efficiency is improved, and the second supporting piece can be repeatedly used.

Description

TECHNICAL FIELD

[0001] The utility model relates to a conversion structure and foundation pit support device belong to foundation pit support technical field. BACKGROUND

[0002] The foundation pit support is the temporary support, reinforcement, protection and groundwater control measure for protecting the safety of underground main body construction and the environment around the foundation pit. These measures aim to ensure the stability of the pit wall during construction, prevent soil deformation, and control the displacement of the ground and underground land within the allowable range, thereby protecting the surrounding buildings and underground pipelines and other facilities from damage.

[0003] In sewage treatment plants and municipal pipeline projects, there are many semi-underground structures. Due to site restrictions, the underground part of these structures does not have large excavation conditions during construction and excavation, and foundation pit support measures need to be taken. In order to maintain the stability of the foundation pit and prevent deformation, horizontal supports need to be set up to ensure the reliability of the foundation pit support. Horizontal supports are mostly made of H-shaped steel. Due to the restriction of the disassembly sequence, some H-shaped steel will cross the vertical wall of the underground structure. In the actual construction process, the underground part of the wall of the structure will be equipped with a dense steel bar, which will conflict with the horizontal support H-shaped steel. The steel bar needs to be bent to avoid the conflict, which causes the construction to be complicated, and vertical cracks are easily generated at the bent part of the steel bar after the construction is completed. SUMMARY

[0004] The utility model provides a kind of conversion structure and foundation pit support device, to solve the problem that when the steel bar under the wall of structure conflicts with horizontal support H-shaped steel, steel bar needs to be bent to avoid the conflict, which causes the construction to be complicated, and vertical cracks are easily generated at the bent part of the steel bar after the construction is completed.

[0005] The utility model is implemented by the following technical solutions:

[0006] In a first aspect, the utility model provides a conversion structure, comprising:

[0007] The connecting piece is a plate structure;

[0008] The first support is located on both sides of the connecting piece and is connected to the connecting piece. The first support is provided with a hole;

[0009] The positioning piece is located on the side of the first support away from the connecting piece and is connected to the first support.

[0010] In an embodiment of the utility model, the positioning piece includes an outer frame, the outer frame is provided with a groove, and the side of the positioning piece away from the groove is connected to the first support.

[0011] In an embodiment of the utility model, the positioning member further comprises inner plates, the number of the inner plates is two, and the inner plates are arranged in the grooves.

[0012] In an embodiment of the utility model, the positioning member is provided with reinforcing ribs, the reinforcing ribs are located on both sides of the inner plates and are connected with the inner plates and the bottom of the groove.

[0013] In an embodiment of the utility model, the number of the first supporting members is two, and the first supporting members are symmetrically distributed on both sides of the connecting member.

[0014] In a second aspect, the utility model provides a foundation pit supporting device which comprises the conversion structure.

[0015] In an embodiment of the utility model, the second supporting member is further provided with a horizontal beam and a vertical beam, the horizontal beam is located on both sides of the vertical beam and is perpendicular to the vertical beam, the vertical beam is inserted into the inner plate, and the horizontal beam and the vertical beam abut against the groove, so that the second supporting member is connected with the positioning member.

[0016] In an embodiment of the utility model, the distance between the inner plates is greater than the width of the vertical beam.

[0017] In an embodiment of the utility model, the height of the vertical beam is greater than the height of the inner plate.

[0018] In an embodiment of the utility model, the width of the groove is greater than the width of the horizontal beam.

[0019] Advantages

[0020] The conversion structure and foundation pit support device provided by this utility model include a connector, a first support, a positioning component, and a second support. The connector is a plate-like structure used to prevent groundwater from seeping into the foundation pit, serving as a seal. The first support has holes for the reinforcing bars in the wall panel or wall to pass through. The reinforcing bars pass directly through the holes without bending or avoiding them, ensuring the continuity of the stress on the wall panel or wall and solving the problem of vertical cracks easily occurring at the bends in the reinforcing bars. The positioning component has a groove and an inner plate. The second support is inserted into the inner plate of the positioning component, connecting the second support to the positioning component. The inner plate provides positioning for the second support, allowing it to be quickly connected to the positioning component. This plug-in connection method ensures a strong connection, facilitates disassembly and installation, saves construction time, improves work efficiency, and allows the second support to be reused. Attached Figure Description

[0021] Fig. 1 A perspective view of the conversion structure provided by this utility model.

[0022] Fig. 2 This is a three-dimensional view of the conversion structure provided by this utility model.

[0023] Fig. 3 An exploded view of the foundation pit support device provided by this utility model.

[0024] In the diagram: 1. Connector; 2. First support member; 21. Hole; 3. Positioning member; 31. Outer frame; 311. Groove; 32. Inner plate; 33. Reinforcing rib; 4. Second support member; 41. Horizontal beam; 42. Vertical beam. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0026] In this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0027] In the utility model, unless another definite provision and limitation, first feature is "on" or "under" second feature, can include that first and second features are in direct contact, also can include that first and second features are not in direct contact but contact through other feature between them. Moreover, first feature "on", "above" and "upper surface of" second feature includes that first feature is directly above and obliquely above second feature, or only indicates that first feature is higher than second feature in horizontal height. First feature "under", "below" and "under surface of" second feature includes that first feature is directly below and obliquely below second feature, or only indicates that first feature is lower than second feature in horizontal height.

[0028] As Figs. 1 to 3 Indicated, the application provides a conversion structure and foundation pit support device for protecting foundation pit, can guarantee the safety of surrounding environment and the stability of soil body when the underground part of structure is constructed. The foundation pit support device includes connecting piece 1, first support piece 2, positioning piece 3 and second support piece 4. First support piece 2 is located at the two sides of connecting piece 1 and is connected with connecting piece 1, positioning piece 3 is located at the side of first support piece 2 away from connecting piece 1 and is connected with first support piece 2, forming conversion structure. Second support piece 4 is located at the side of positioning piece 3 away from first support piece 2 and can be connected with positioning piece 3, forming foundation pit support device.

[0029] In some embodiments, connecting piece 1 is plate-shaped structure, and the material is metal material, for preventing groundwater from seeping into foundation pit, and plays the role of sealing water stop. First support piece 2 is I-shaped steel structure, and the number is 2, and is symmetrically distributed at the two sides of connecting piece 1, for providing support force.

[0030] Specifically, in the embodiment, connecting piece 1 and first support piece 2 are connected in a welding manner, and first support piece 2 is surrounded and welded at the two sides of connecting piece 1.

[0031] Further, in some embodiments, first support piece 2 is provided with a plurality of holes 21, and hole 21 is used for penetrating the reinforcing steel bars in the wallboard or wall, and the reinforcing steel bars directly penetrate hole 21 without bending to avoid, ensuring the continuity of the force of wallboard or wall, and solving the problem that vertical cracks are prone to occur at the bending part of reinforcing steel bars.

[0032] Further, in some embodiments, the positioning member 3 comprises an outer frame 31, inner plates 32 and reinforcing ribs 33. The outer frame 31 is a rectangular structure, and a recess 311 is arranged inside the outer frame 31. The outer frame 31 is connected to the first support member 2 on the side away from the recess 311. Specifically, in this embodiment, the outer frame 31 is connected to the first support member 2 by welding, and the first support member 2 is welded on the side of the outer frame 31 away from the recess 311. The inner plates 32 are long rectangular plates, and there are two of them. The inner plates 32 are arranged opposite each other in the recess 311, and there is a certain distance between them. The inner plates 32 are connected to the recess 311 by welding. The reinforcing ribs 33 are plate structures, and there are several of them. The reinforcing ribs 33 are arranged on both sides of the inner plates 32. One side of the reinforcing ribs 33 is connected to the inner plates 32, and the other side is connected to the bottom of the recess 311, thereby providing support for the inner plates 32.

[0033] Specifically, in this embodiment, the reinforcing ribs 33 are arranged in multiple numbers and symmetrically distributed on both sides of the inner plates 32. The reinforcing ribs 33 are connected to the inner plates 32 and the bottom of the recess 311 by spot welding.

[0034] Further, in some embodiments, the second support member 4 is connected to the positioning member 3 to provide the main support force for the foundation pit and ensure the safety of the surrounding environment and the stability of the soil body. Specifically, in this embodiment, the second support member 4 is an I-beam structure, which comprises a horizontal beam 41 and a vertical beam 42. There are two horizontal beams 41, which are arranged on both sides of the vertical beam 42 and perpendicular to the vertical beam 42, thereby forming an I-beam structure. The vertical beam 42 of the second support member 4 is inserted between the inner plates 32 until the horizontal beam 41 and the vertical beam 42 abut against the bottom of the recess 311. The inner plates 32 provide positioning for the second support member 4, so that the second support member 4 can be quickly connected to the positioning member 3, saving construction time and improving work efficiency. Moreover, this insertion method can ensure the firmness of the connection and is convenient for disassembly and installation, so that the second support member 4 can be repeatedly used.

[0035] Optionally, the distance between the inner plates 32 should be greater than the width of the vertical beam 42 of the second support member 4.

[0036] Optionally, the width of the recess 311 is greater than the width of the horizontal beam 41 of the second support member 4.

[0037] Optionally, the height of the vertical beam 42 of the second support member 4 should be greater than the height of the inner plates 32, so that the vertical beam 42 can be smoothly inserted between the two inner plates 32, and the horizontal beam 41 will not interfere with the inner plates 32.

[0038] Optionally, the material of the foundation pit support device is a metal material. Preferably, the material of the foundation pit support device is steel, which has high strength and corrosion resistance.

[0039] The utility model discloses a working principle: before the construction of underground building, need first carry out the construction of foundation pit support, the temporary support of foundation pit, reinforce and protect, ensure the stability of pit wall during construction, prevent soil deformation. The connecting piece 1 adopts steel sheet structure, is used to prevent groundwater infiltration in the foundation pit, plays the role of sealing water stop. Welding first support 2 on the both sides of connecting piece 1, is used to provide support force, positioning piece 3 is welded on the side of first support 2 away from connecting piece 1, first support 2 is equipped with a plurality of holes 21, and the hole 21 is used to pass through the reinforcing bar in the wallboard or wall body, and the reinforcing bar directly passes through the hole 21, need not to bend to avoid, guarantee the coherence of wallboard or wall body stress, solve the problem that reinforcing bar bending place is easy to produce vertical crack. Connecting piece 1, first support 2 and positioning piece 3 form conversion structure, are used to pass through the wallboard.

[0040] Positioning piece 3 provides positioning and support for the second support 4, inserts the vertical beam 42 of the second support 4 into the inner plate 32 of the positioning piece 3, and abuts with the bottom of the groove 311, so that the second support 4 is connected with the positioning piece 3, that is, connected with the conversion structure, thereby forming a foundation pit support device to provide support and protection for the foundation pit. After the completion of the construction of the building, the second support 4 can be removed from the positioning piece 3, and the conversion structure does not need to be removed. The inner plate 32 provides positioning for the second support 4, so that the second support 4 can be quickly connected with the positioning piece 3. By using this plug-in method, the firmness of the connection can be ensured, and the disassembly and installation are convenient, the construction time is saved, the work efficiency is improved, and the second support 4 can be repeatedly used.

[0041] The technical features of the above embodiments can be combined in any manner. To make the description concise, not all possible combinations of the technical features in the above embodiments are described, but as long as the combinations of the technical features do not conflict, they should be considered within the scope of the present disclosure.

[0042] The above embodiments only express several implementation manners of the present utility model, and the description is more specific and detailed, but it should not be understood as a limitation on the scope of the present patent. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present utility model, some modifications and improvements can be made, which are within the protection scope of the present utility model.

[0043] The principles and implementation manners of the present utility model are described by using specific embodiments. The above embodiment description is only used to help understand the method and core idea of the present utility model. It should be noted that for ordinary skilled persons in the art, without departing from the principles of the present utility model, some improvements and modifications can be made, which are also within the protection scope of the present utility model. Therefore, the protection scope of the present patent should be subject to the appended claims.

Claims

1. A conversion structure, characterized by, The utility model relates to a kind of conversion structure, including: Connecting piece (1), the connecting piece (1) is plate structure; First support (2) is located two sides of the connecting piece (1), is connected with the connecting piece (1), and the first support (2) is provided with hole (21); Positioning member (3) is located the side of the first support (2) away from the connecting piece (1), and is connected with the first support (2).

2. A conversion structure according to claim 1, wherein The positioning member (3) includes outer frame (31), the outer frame (31) is provided with recess (311), and the side of the positioning member (3) away from the recess (311) is connected with the first support (2).

3. A conversion structure according to claim 2, wherein The positioning member (3) further includes inner plate (32), the number of the inner plate (32) is two, and is arranged in the recess (311).

4. A conversion structure according to claim 3, wherein The positioning member (3) is provided with reinforcing rib (33), the reinforcing rib (33) is located two sides of the inner plate (32), and is connected with the inner plate (32) and the bottom of the recess (311).

5. A conversion structure according to claim 1, wherein The number of the first support (2) is two, and is symmetrically distributed in two sides of the connecting piece (1).

6. A foundation pit support device characterized by Including the conversion structure of any one of claims 1-5.

7. A foundation pit support device according to claim 6, wherein Further including second support (4), the second support (4) is provided with crossbeam (41) and vertical beam (42), the crossbeam (41) is located two sides of the vertical beam (42), and is perpendicular to the vertical beam (42), the vertical beam (42) is inserted into inner plate (32), and the crossbeam (41) and the vertical beam (42) are abutted with recess (311), so that the second support (4) is connected with the positioning member (3).

8. A foundation pit support device according to claim 7, wherein The spacing between the inner plate (32) is greater than the width of the vertical beam (42).

9. A foundation pit support device according to claim 7, wherein The height of the vertical beam (42) is greater than the height of the inner plate (32).

10. A foundation pit support device according to claim 7, wherein The width of the recess (311) is greater than the width of the crossbeam (41).

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