Underground space structure of foundation pit support

Abstract

The utility model relates to the technical field of foundation pits, in particular to an underground space structure of a foundation pit support, which comprises a foundation pit body, a support structure is arranged inside the foundation pit body, the support structure comprises an angle plate and a side plate, a fixing hole is arranged on the angle plate, a mounting hole is arranged on the side plate, a fixing pin is inserted inside the mounting hole, and the fixing pin is inserted inside the mounting hole. A second fixing hole is further formed in one side of the side plate, the fixing pin is matched with the fixing hole and the second fixing hole, and a threaded hole communicated with the mounting hole is further formed in the side plate. The foundation pit supporting device has the advantages that a foundation pit is supported by arranging the angle plate and the side plate, the angle plate and the side plate are connected through the fixing pin during use, connection is convenient and stable, the fixing pin can be extruded by rotating the feeding rod during assembly, one end of the fixing pin is extruded into the fixing hole, assembly is convenient and fast, and the rotating feeding rod is loosened during disassembly, so that the foundation pit is supported. And the fixing pin can be separated from the fixing hole, so that the device is convenient to disassemble.

Description

Technical Field

[0001] The utility model relates to the technical field of foundation pits, in particular to an underground space structure for foundation pit support. Background Art

[0002] In the prior art, retaining wall construction is usually required during foundation pit support construction. Common retaining wall piles are cast-in-place piles, that is, holes are drilled at preset pile positions using a drilling device to a designed depth, and then concrete is injected to form piles. In order to speed up the progress of retaining wall construction and shorten the construction period, precast piles are sometimes used for construction. The specific construction process is as follows: precast piles with corresponding lengths are prefabricated according to the designed depth, and the precast piles are driven from the preset pile positions to the designed depth, thereby forming a retaining wall to achieve retaining wall.

[0003] The existing support system basically adopts on-site construction. In order to ensure its overall rigidity, steel trusses are generally fixed together in pairs to increase its overall rigidity. However, after the foundation pit is backfilled, it is difficult to recycle and reuse the steel trusses, which is costly and cannot be recycled. Utility Model Content

[0004] The purpose of the present invention is to solve at least one of the above technical deficiencies.

[0005] The purpose of the utility model is to overcome the shortcomings of the prior art, solve the problems mentioned in the background technology, and provide an underground space structure for foundation pit support.

[0006] The purpose of the utility model is achieved through the following technical solutions: an underground space structure for foundation pit support, including a foundation pit body, a support structure is arranged inside the foundation pit body, the support structure includes a corner plate and a side plate, the corner plate is provided with a fixing hole, the side plate is provided with a mounting hole, a fixing pin is inserted inside the mounting hole, a fixing hole 2 is also provided on one side of the side plate, the fixing pin is adapted to the fixing hole and the fixing hole 2, a threaded hole is also provided on the side plate and is interconnected with the mounting hole, and a feed rod is connected to the internal thread of the threaded hole.

[0007] Preferably, the corner panels and the bottom of the side panels are fixedly connected with a base.

[0008] Preferably, supporting ribs are further arranged between the bases, and the number of the supporting ribs is several.

[0009] Preferably, there are several fixing holes on one side of the angle plate, and the fixing pins are inserted into the fixing holes.

[0010] Preferably, an inclined plate is provided at one end of the feed rod, a stepped hole is provided inside the inclined plate, and a threaded rod is rotatably connected inside the stepped hole.

[0011] Preferably, a bevel is provided at one end of the fixing pin.

[0012] Compared with the prior art, the utility model has the following advantages:

[0013] The underground space structure of the foundation pit support supports the foundation pit by arranging angle plates and side plates, and the angle plates and the side plates are connected by fixing pins when in use, and the connection is convenient and stable. During assembly, the fixing pin can be squeezed by rotating the feed rod to squeeze one end of the fixing pin into the fixing hole, and the assembly is convenient and quick. During disassembly, the rotating feed rod is loosened so that the fixing pin can be separated from the fixing hole, which facilitates the disassembly of the device. The device has a stable structure, is easy to disassemble and assemble, can be easily recycled and reused, and has a good use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the structure of the utility model from a top view;

[0016] Figure 3 It is a partial cross-sectional structural schematic diagram of the utility model;

[0017] Figure 4 It is a schematic diagram of the installation structure of the base of the utility model.

[0018] In the figure: 1- foundation pit body, 2- support structure, 201- angle plate, 202- side plate, 3- fixing hole, 4- mounting hole, 5- fixing pin, 501- bevel, 6- fixing hole 2, 7- base, 8- supporting rib, 9- threaded hole, 10- feed rod, 1001- inclined plate, 1002- stepped hole, 1003- threaded rod. DETAILED DESCRIPTION

[0019] Additional aspects and advantages of the present invention will be further described below in conjunction with the accompanying drawings, and some will become apparent from the following description or be learned through practice of the present invention.

[0020] like Figure 1-4As shown, an underground space structure for foundation pit support, which includes a foundation pit body 1, a support structure 2 is arranged inside the foundation pit body 1, and the support structure 2 includes an angle plate 201 and a side plate 202, a fixing hole 3 is opened on the angle plate 201, a mounting hole 4 is opened on the side plate 202, a fixing pin 5 is inserted inside the mounting hole 4, a fixing hole 6 is also opened on one side of the side plate 202, the fixing pin 5 is adapted to the fixing hole 3 and the fixing hole 6, and a fixing hole 6 is also opened on the side plate 202 that is connected to the mounting hole 4 The threaded hole 9 has a feed rod 10 connected to its internal thread. The foundation pit is supported by arranging an angle plate 201 and a side plate 202. The angle plate 201 and the side plate 202 are connected by a fixing pin 5 when in use. The connection is convenient and stable. During assembly, the fixing pin 5 can be squeezed by rotating the feed rod 10, and one end of the fixing pin 5 can be squeezed into the fixing hole 3. The assembly is convenient and quick. During disassembly, the feed rod 10 can be loosened and rotated so that the fixing pin 5 can be separated from the fixing hole 3, which facilitates the disassembly of the device.

[0021] As a preferred technical solution of the present invention, the bottoms of the corner panels 201 and the side panels 202 are fixedly connected with a base 7 .

[0022] As a preferred technical solution of the present utility model, support ribs 8 are further arranged between the bases 7, and the number of the support ribs 8 is several.

[0023] As a preferred technical solution of the utility model, there are a plurality of fixing holes 3 on one side of the angle plate 201 , and the fixing pins 5 are inserted into the fixing holes 3 .

[0024] As a preferred technical solution of the utility model, an inclined plate 1001 is provided at one end of the feed rod 10, a stepped hole 1002 is opened inside the inclined plate 1001, and a threaded rod 1003 is rotatably connected inside the stepped hole 1002.

[0025] As a preferred technical solution of the present utility model, a bevel 501 is provided at one end of the fixing pin 5 .

[0026] The working process of the utility model is as follows:

[0027] When assembling the supporting structure 2 in the underground space structure of the foundation pit support, the fixing pin 5 can be squeezed by rotating the feed rod 10, and one end of the fixing pin 5 can be squeezed into the fixing hole 3. The assembly is convenient and quick. When disassembling, the rotating feed rod 10 is loosened to allow the fixing pin 5 to be separated from the fixing hole 3, which facilitates the disassembly of the device.

[0028] Compared with the prior art, the present invention has the following beneficial effects:

[0029] The underground space structure of the foundation pit support supports the foundation pit by arranging angle plates 201 and side plates 202, and the angle plates 201 and side plates 202 are connected by fixing pins 5 when in use, and the connection is convenient and stable. During assembly, the fixing pin 5 can be squeezed by rotating the feed rod 10, and one end of the fixing pin 5 can be squeezed into the fixing hole 3. The assembly is convenient and quick. During disassembly, the rotating feed rod 10 is loosened to allow the fixing pin 5 to be separated from the fixing hole 3, thereby facilitating the disassembly of the device.

Claims

1. An underground space structure for foundation pit support, characterized in that: The invention comprises a foundation pit body (1), wherein a support structure (2) is arranged inside the foundation pit body (1), wherein the support structure (2) comprises an angle plate (201) and a side plate (202), wherein the angle plate (201) is provided with a fixing hole (3), wherein the side plate (202) is provided with a mounting hole (4), wherein a fixing pin (5) is inserted inside the mounting hole (4), wherein a second fixing hole (6) is also provided on one side of the side plate (202), wherein the fixing pin (5) is adapted to fit both the fixing hole (3) and the second fixing hole (6), wherein the side plate (202) is provided with a threaded hole (9) which is interconnected with the mounting hole (4), wherein a feed rod (10) is threadedly connected inside the threaded hole (9).

2. The underground space structure for foundation pit support according to claim 1, characterized in that: The bottoms of the corner plates (201) and the side plates (202) are fixedly connected to a base (7).

3. The underground space structure for foundation pit support according to claim 2, characterized in that: Support ribs (8) are also arranged between the bases (7), and there are a plurality of support ribs (8).

4. The underground space structure for foundation pit support according to claim 1, characterized in that: There are a plurality of fixing holes (3) on one side of the angle plate (201), and the fixing pin (5) is inserted into the inside of the fixing hole (3).

5. The underground space structure for foundation pit support according to claim 1, characterized in that: An inclined plate (1001) is provided at one end of the feed rod (10), a stepped hole (1002) is provided inside the inclined plate (1001), and a threaded rod (1003) is rotatably connected inside the stepped hole (1002).

6. The underground space structure for foundation pit support according to claim 1, characterized in that: One end of the fixing pin (5) is provided with a bevel (501).

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