Steel sheet pile supporting structure and deep foundation pit supporting device

Abstract

The utility model discloses a steel sheet pile supporting structure which comprises at least two oppositely-arranged enclosing purlins and a steel support arranged between the opposite enclosing purlins, the two ends of the steel support are provided with lap joint parts and fixing parts respectively, the lap joint parts at the two ends of the steel support are in lap joint with the tops of the opposite enclosing purlins respectively, and the two ends of the steel support abut against the inner sides of the opposite enclosing purlins respectively. And a holding piece is arranged on the fixing part, and the holding piece is held on the corresponding enclosing purlin. The utility model further discloses a deep foundation pit supporting device which comprises at least two oppositely-arranged steel sheet piles and a steel sheet pile supporting structure, and the enclosing purlins are arranged on the inner sides of the steel sheet piles respectively. The steel sheet pile supporting structure and the deep foundation pit supporting device are easy to operate, short in time, small in danger, small in labor intensity and convenient to disassemble and assemble.

Description

Technical Field

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

[0002] When installing steel supports for municipal water conservancy pipelines and box culvert foundation pits, foundation pit support structures and steel sheet piles are usually used, such as a simple combined internal support device for steel sheet pile support with application number 202121287829.6. The device is installed on steel sheet piles that are symmetrically arranged on the left and right, including: purlin supports, surrounding purlins, and steel supports; at least two purlin supports are tightly welded to the inner side of the upper end of the steel sheet piles on one side, and the same number of purlin supports are symmetrically arranged on the steel sheet piles on the other side; a surrounding purlin is arranged on each of the purlin supports on both sides; at least two steel supports are arranged between the surrounding purlins on both sides to connect the surrounding purlins on both sides. The steel support and the surrounding purlin are an integrated structure, which is generally connected into one by welding. The operation time is long and the labor intensity is high. In addition, due to the heavy weight of the steel support during welding, the operation is more dangerous, and it is not easy to disassemble and assemble later. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a steel sheet pile supporting structure and a deep foundation pit supporting device which are easy to operate, short in time, less dangerous, less labor-intensive, and easy to disassemble and assemble.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] A steel sheet pile support structure comprises at least two oppositely arranged purlins and a steel support arranged between the opposite purlins, wherein the two ends of the steel support are respectively provided with a lap portion and a fixing portion, the lap portions at the two ends of the steel support are respectively lapped on the top of the opposite purlins, the two ends of the steel support are respectively pressed against the inner side of the opposite purlins, the fixing portion is provided with a clamping piece, and the clamping piece is clamped on the corresponding purlin.

[0006] As a further improvement of the above technical solution:

[0007] The fixing part is provided with a steel ring, and the clamping piece is sleeved on the steel ring.

[0008] The steel ring is welded to the steel support.

[0009] The clamping member is a steel wire rope.

[0010] The fixing parts at both ends of the steel support are arranged in pairs and symmetrically on both sides of the steel support.

[0011] The cross section of the steel support is annular.

[0012] The top surface of the overlapped portion is smoothly connected to the top surface of the steel support.

[0013] The cross section of the surrounding purlin is square.

[0014] The bottom surface of the overlapping portion is horizontally overlapped with the top surface of the surrounding purlin.

[0015] A deep foundation pit supporting device comprises at least two oppositely arranged steel sheet piles and the above-mentioned steel sheet pile supporting structure, wherein the surrounding purlins are respectively arranged on the inner side of each steel sheet pile.

[0016] Compared with the prior art, the advantages of the utility model are:

[0017] In this steel sheet pile support structure, the steel support and the surrounding purlin are overlapped through the overlapped part and fixed by the clamping parts. When installing, first overlap and then fix. Conversely, when disassembling, first remove the clamping function of the clamping parts and then disassemble the steel support and the surrounding purlin. Compared with welding connection, it is easy to operate, short in time and less dangerous, with low labor intensity, and easy to disassemble and assemble.

[0018] The deep foundation pit supporting device includes a steel sheet pile supporting structure and has all the advantages of the steel sheet pile supporting structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the utility model steel sheet pile supporting structure and deep foundation pit supporting device.

[0020] Figure 2 It is a structural schematic diagram of the steel support of the steel sheet pile supporting structure and deep foundation pit supporting device of the utility model.

[0021] Figure 3 It is a partial structural schematic diagram of the steel sheet pile supporting structure and deep foundation pit supporting device of the utility model.

[0022] The symbols in the figure represent:

[0023] 1. Steel support; 11. Overlap; 12. Fixed part; 2. Steel ring; 3. Clamp; 4. Purlin; 5. Steel sheet pile; 11. Overlap; 12. Fixed part; 2. Steel ring; 3. Clamp; 4. Purlin; 5. Steel sheet pile. DETAILED DESCRIPTION

[0024] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0025] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc. indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0026] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0027] In the present invention, unless otherwise clearly specified and limited, the terms "assemble", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] Embodiment 1:

[0029] Figures 1 to 3 An embodiment of the steel sheet pile supporting structure of the utility model is shown. The steel sheet pile supporting structure of this embodiment comprises at least two oppositely arranged purlins 4 and a steel support 1 arranged between the opposite purlins 4. Both ends of the steel support 1 are respectively provided with a lap portion 11 and a fixing portion 12. The lap portions 11 at both ends of the steel support 1 are respectively overlapped on the top of the opposite purlin 4. Both ends of the steel support 1 are respectively pressed against the inner side of the opposite purlin 4. A clamping member 3 is provided on the fixing portion 12, and the clamping member 3 is clamped on the corresponding purlin 4.

[0030] In the steel sheet pile support structure, the steel support 1 and the surrounding purlin 4 are overlapped by the overlap part 11 and are fixed by the clamping member 3. When installing, the steel support 1 and the surrounding purlin 4 are overlapped first and then fixed. Conversely, when disassembling, the clamping function of the clamping member 3 is first removed, and then the steel support 1 and the surrounding purlin 4 are disassembled. Compared with welding connection, it is easy to operate, short in time and less dangerous, with low labor intensity, and easy to disassemble and assemble.

[0031] Furthermore, in this embodiment, a steel ring 2 is provided on the fixing portion 12, and the holding member 3 is sleeved on the steel ring 2. The structure is simple, and the holding member 3 is convenient to set.

[0032] Furthermore, in this embodiment, the steel ring 2 is welded to the steel support 1, and the connection strength is high and the structural stability is good.

[0033] Furthermore, in this embodiment, the holding member 3 is a steel wire rope. Of course, in other embodiments, the holding member 3 can also be a holding hoop or the like by conventional technical means.

[0034] Furthermore, in this embodiment, the fixing parts 12 at both ends of the steel support 1 are arranged in pairs, and are symmetrically arranged on both sides of the steel support 1. The pairs of clamping members 3 are symmetrically arranged on both sides of the steel support 1, and each fixing part 12 is provided with a clamping member 3. The two ends of the steel support 1 are symmetrically clamped on the surrounding purlin 4 through the clamping members 3 on both sides, thereby improving the structural stability.

[0035] Furthermore, in this embodiment, the cross section of the steel support 1 is annular. Specifically, the steel support 1 is made of steel pipe, which is convenient for material selection.

[0036] Furthermore, in this embodiment, the top surface of the overlap portion 11 is smoothly connected to the top surface of the steel support 1. That is, the overlap portion 11 can be formed by cutting material at the end of the steel support 1.

[0037] Furthermore, in this embodiment, the cross section of the surrounding purlin 4 is square. Furthermore, in this embodiment, the bottom surface of the overlapping portion 11 is horizontally overlapped with the top surface of the surrounding purlin 4.

[0038] Embodiment 2:

[0039] Figures 1 to 3 An embodiment of the deep foundation pit support device of the utility model is shown. The deep foundation pit support device of this embodiment includes at least two oppositely arranged steel sheet piles 5 and the steel sheet pile support structure of the first embodiment, and the surrounding purlins 4 are respectively arranged on the inner side of each steel sheet pile 5. The deep foundation pit support device includes the steel sheet pile support structure and has all the advantages of the steel sheet pile support structure.

[0040] Although the present invention has been disclosed as a preferred embodiment, it is not intended to limit the present invention. Any technician familiar with the art can use the above disclosed technical content to make many possible changes and modifications to the technical solution of the present invention without departing from the scope of the technical solution of the present invention, or modify it into an equivalent embodiment of equivalent changes. Therefore, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention should fall within the scope of protection of the technical solution of the present invention.

Claims

1. A steel sheet pile support structure, comprising at least two oppositely arranged purlins (4) and a steel support (1) arranged between the opposite purlins (4), characterized in that: The two ends of the steel support (1) are respectively provided with an overlapping portion (11) and a fixing portion (12); the overlapping portions (11) at the two ends of the steel support (1) are respectively overlapped on the top of the relative surrounding purlin (4); the two ends of the steel support (1) are respectively pressed against the inner side of the relative surrounding purlin (4); the fixing portion (12) is provided with a clamping member (3), and the clamping member (3) is clamped on the corresponding surrounding purlin (4).

2. The steel sheet pile support structure according to claim 1, characterized in that: The fixing portion (12) is provided with a steel ring (2), and the clamping member (3) is sleeved on the steel ring (2).

3. The steel sheet pile supporting structure according to claim 2 is characterized in that: The steel ring (2) is welded to the steel support (1).

4. The steel sheet pile supporting structure according to claim 1, characterized in that: The clamping member (3) is a steel wire rope.

5. The steel sheet pile supporting structure according to claim 1, characterized in that: The fixing parts (12) at both ends of the steel support (1) are arranged in pairs and are symmetrically arranged on both sides of the steel support (1).

6. The steel sheet pile supporting structure according to any one of claims 1 to 5, characterized in that: The cross section of the steel support (1) is annular.

7. The steel sheet pile supporting structure according to claim 6, characterized in that: The top surface of the overlapping portion (11) is smoothly connected to the top surface of the steel support (1).

8. The steel sheet pile supporting structure according to any one of claims 1 to 5, characterized in that: The cross section of the surrounding purlin (4) is square.

9. The steel sheet pile supporting structure according to claim 8, characterized in that: The bottom surface of the overlapping portion (11) is horizontally overlapped with the top surface of the surrounding purlin (4).

10. A deep foundation pit support device, characterized in that: The invention comprises at least two oppositely arranged steel sheet piles (5) and a steel sheet pile supporting structure according to any one of claims 1 to 9, wherein the surrounding purlins (4) are respectively arranged on the inner side of each steel sheet pile (5).

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