Vertical diagonal bracing component of foundation pit support structure

Abstract

The utility model relates to the technical field of foundation pit engineering, in particular to a vertical diagonal bracing component of a foundation pit support structure, which comprises a main support and a diagonal bracing frame arranged on the bottom edge of the main support. An enclosure base frame is arranged on the main support, the inclined supporting frame is erected on the bottom edge of the enclosure base frame through inclined supporting pieces, and a plurality of supporting foot stools are arranged on the inner edge of the inclined supporting frame. A branch top frame is arranged on the inclined supporting frame and supported on a main support, and a plurality of buffering abutting bases are arranged on the main support. A high-stability inclined strut supporting structure is formed, and a plurality of buffering supporting points are arranged, so that the influence on the whole operation supporting structure is reduced, and the risk of loosening of a foundation pit soil layer is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of foundation pit engineering, in particular to a vertical diagonal bracing component of a foundation pit retaining structure. Background Art

[0002] In recent years, with the acceleration of urbanization, the development and utilization of underground space has been continuously increased, the depth of foundation pits has become deeper and deeper, and the construction space of support structures has become increasingly limited. The forward construction method is simple to operate, fast, low in cost, simple in support structure, easy to grasp the construction period, and easy to control the quality of the project, but it causes great damage to the surrounding environment; the reverse construction method is to use the beams, slabs, and columns of the underground main structure as the lateral support of the retaining wall, which can greatly shorten the construction period, reduce the amount of earthwork, and improve the safety of construction, but the quality of the concrete joints of the wall columns in the underground structure is difficult to control.

[0003] The diagonal brace support structure of the foundation pit enclosure in the prior art includes at least one horizontal inner support structure connected to the enclosure structure in the foundation pit, a vertical diagonal brace connected to the first horizontal inner support structure at the top, and columns and column piles supporting the horizontal inner support structure, and the enclosure structure is connected to the crown beam on it. However, this implementation structure has certain defects, and the force during construction will affect the support components, thereby affecting the soil condition of the foundation pit. Utility Model Content

[0004] The utility model aims to provide a vertical diagonal bracing member of a foundation pit retaining structure to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A vertical diagonal bracing member of a foundation pit retaining structure, comprising a main support and an inclined support frame arranged at the bottom edge of the main support;

[0007] The main support is provided with a protective base frame, the inclined support frame is mounted on the bottom edge of the protective base frame through an oblique support member, and a plurality of supporting legs are further provided on the inner edge of the inclined support frame;

[0008] The inclined support frame is provided with a branch top frame, the branch top frame is supported on the main support frame, and the main support frame is provided with a plurality of buffering and abutting seats.

[0009] As a further solution of the utility model: the enclosure base frame is provided with a basic bracket, a front frame plate arranged on the basic bracket, and a fixed frame seat installed on the front frame plate and the bottom end of the basic bracket; the fixed frame seat is provided with a bottom support plate, and the bottom support plate is installed with an installation card frame.

[0010] As a further solution of the utility model: the main body of the inclined support frame is an inclined frame plate for supporting the support tripod, the branch top frame includes a triangular frame installed on the inclined frame plate, and an inclined support auxiliary frame installed in the triangular frame, the oblique support auxiliary frame is installed in the triangular frame and has a swing track built into the triangular frame for adjusting the oblique support auxiliary frame.

[0011] As a further solution of the utility model: the top ends of the oblique support auxiliary frame and the inclined frame plate are both inserted into the installation card frame and are both installed and connected through the positioning shaft, and a reinforcing frame plate is installed between the installation card frames at both ends.

[0012] As a further solution of the utility model: the main support includes a top frame plate, a supporting pad installed on the top frame plate, and a fixed frame installed between the top frame plate and the basic support; a mounting lock bolt is installed between the fixed frame and the front frame plate.

[0013] As a further solution of the utility model: the buffering and abutting seat is arranged between the corresponding fixed frame seat and the supporting pad, and the buffering and abutting seat includes an inner supporting inclined frame installed between the supporting pad and the basic bracket, an elastic telescopic rod installed between the inner supporting inclined frame and the basic bracket, and an inner supporting spring which is wound around the elastic telescopic rod and supported between the inner supporting inclined frame and the basic bracket.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model is used for foundation pit enclosure support operations, wherein the main support is arranged on the foundation of the foundation pit, the inclined support frame forms a support structure along the inclined direction of the foundation pit, the supporting foot frame is supported on the slope of the foundation pit, the enclosure base frame is arranged at the bottom of the main support, and is a bottom support structure, which is supported on the inner edge of the foundation pit; the branch top frame is used to improve the overall stability of the foundation pit enclosure, and is then supported on the top of the branch top frame by a plurality of buffer abutment seats to form a plurality of buffer fulcrums, thereby reducing the impact on the overall support structure of the operation, thereby reducing the risk of loosening of the foundation pit soil layer and ensuring the support strength.

[0016] It should be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings herein are incorporated into and constitute a part of the specification to illustrate embodiments consistent with the present application and are used together with the specification to explain the principles of the present application. At the same time, these drawings and text descriptions are not intended to limit the scope of the concept of the present application in any way, but to illustrate the concept of the present application for those skilled in the art by referring to specific embodiments.

[0018] Figure 1A schematic diagram of the overall structure of the vertical diagonal bracing components of the foundation pit retaining structure provided in an embodiment of the utility model.

[0019] Figure 2 A schematic diagram of the connection between the inclined support frame and the main support provided in an embodiment of the utility model.

[0020] Figure 3 A schematic structural diagram of a main bracket provided in an embodiment of the utility model.

[0021] In the figure: 11, main support; 12, enclosure base frame; 13, inclined support frame; 14, branch top frame; 15, buffer resistance seat; 16, support foot frame; 21, basic support; 22, front frame plate; 23, fixed frame seat; 24, bottom support plate; 25, installation card frame; 31, inclined frame plate; 32, triangular frame; 33, oblique support auxiliary frame; 34, swing track; 35, reinforcement frame plate; 36, positioning shaft; 41, top frame plate; 42, support pad; 43, fixed frame; 44, installation lock bolt; 45, inner support oblique frame; 46, elastic telescopic rod; 47, inner support spring. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model, and examples thereof are shown in the drawings. When the following description refers to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements.

[0023] Obviously, the described embodiments are only some embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] The specific implementation of the present utility model is described in detail below in conjunction with specific embodiments.

[0025] In one embodiment:

[0026] See also Figure 1 , a vertical diagonal bracing member of a foundation pit retaining structure is provided, comprising a main support 11, an inclined support frame 13 arranged at the bottom edge of the main support 11;

[0027] The main support 11 is provided with a protective base frame 12, the inclined support frame 13 is mounted on the bottom edge of the protective base frame 12 through an oblique support member, and the inner edge of the inclined support frame 13 is further provided with a plurality of supporting legs 16;

[0028] The inclined support frame 13 is provided with a branch top frame 14 , and the branch top frame 14 is supported on the main support frame 11 , and the main support frame 11 is provided with a plurality of buffering and abutting seats 15 .

[0029] This embodiment is used for foundation pit enclosure and support operations to improve the support stability of the inclined foundation pit, thereby maintaining the support stability of the equipment. The main bracket 11 is set on the foundation of the foundation pit, and the inclined support frame 13 forms a support structure along the inclined direction of the foundation pit. The supporting foot frame 16 is supported on the slope of the foundation pit. The enclosure base frame 12 is set at the bottom of the main bracket 11, which is a bottom support structure and supports the inner edge of the foundation pit; the branch top frame 14 is used to improve the overall stability of the foundation pit enclosure, and then supported by a plurality of buffer abutment seats 15 on the top of the branch top frame 14 to form a plurality of buffer fulcrums, thereby reducing the impact on the overall operating support structure, thereby reducing the risk of loosening of the foundation pit soil layer and ensuring the support strength.

[0030] In one embodiment:

[0031] See also Figure 1 and Figure 2 The enclosure base frame 12 is provided with a basic bracket 21, a front frame plate 22 arranged on the basic bracket 21, and a fixed frame seat 23 installed at the bottom ends of the front frame plate 22 and the basic bracket 21; the fixed frame seat 23 is provided with a bottom support plate 24, and the bottom support plate 24 is installed with a mounting card frame 25.

[0032] The main body of the inclined support frame 13 is an inclined frame plate 31 for supporting the support leg 16. The branch top frame 14 includes a triangular frame 32 installed on the inclined frame plate 31, and an inclined support auxiliary frame 33 installed in the triangular frame 32. The inclined support auxiliary frame 33 is installed in the triangular frame 32 and a swing track 34 for adjusting the inclined support auxiliary frame 33 is built in the triangular frame 32. The top ends of the inclined support auxiliary frame 33 and the inclined frame plate 31 are both inserted into the installation card frame 25 and are both installed and connected through the positioning shaft 36. A reinforcing frame plate 35 is installed between the installation card frames 25 at both ends.

[0033] During operation, the inclined frame plate 31 is positioned along the slope of the foundation pit, and the inclined frame plate 31 is installed in the corresponding installation card frame 25, and the corresponding positioning shaft 36 is locked; then the inclined frame plate 31 is used as a reference to adjust the corresponding angle of the inclined support auxiliary frame 33 in the triangular frame 32, so as to support the basic bracket 21, and then the inclined support auxiliary frame 33 is installed in the corresponding installation card frame 25, and the corresponding positioning shaft 36 is locked. Thus, the inclined support positioning of the inclined support frame 13 is completed.

[0034] In one embodiment:

[0035] See also Figure 1 and Figure 3The main support 11 includes a top frame plate 41, a support pad 42 installed on the top frame plate 41, and a fixed frame 43 installed between the top frame plate 41 and the basic support 21; a mounting lock bolt 44 is installed between the fixed frame 43 and the front frame plate 22.

[0036] The buffering and abutting seat 15 is arranged between the corresponding fixing frame seat 23 and the supporting cushion block 42, and the buffering and abutting seat 15 includes an inner supporting inclined frame 45 installed between the supporting cushion block 42 and the basic bracket 21, an elastic telescopic rod 46 installed between the inner supporting inclined frame 45 and the basic bracket 21, and an inner supporting spring 47 wound around the elastic telescopic rod 46 and supported between the inner supporting inclined frame 45 and the basic bracket 21.

[0037] A stable top support structure is arranged between the top frame plate 41, the supporting pad block 42 and the fixed frame 43. The inner support inclined frame 45 is supported in the above support structure, and then vertically supported in the inner support inclined frame 45 by an elastic telescopic rod 46, forming a frame-type buffer structure, which reduces the impact on the overall working support structure, thereby reducing the risk of loosening of the foundation pit soil layer and ensuring the support strength.

[0038] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention.

[0039] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A vertical diagonal bracing member of a foundation pit retaining structure, comprising a main support (11) and an inclined support frame (13) arranged at the bottom edge of the main support (11); characterized in that: The main support (11) is provided with a protective base frame (12), the inclined support frame (13) is mounted on the bottom edge of the protective base frame (12) through an oblique support member, and a plurality of supporting legs (16) are further provided on the inner edge of the inclined support frame (13); A branch top frame (14) is arranged on the inclined support frame (13), the branch top frame (14) is supported on the main support frame (11), and a plurality of buffering and abutting seats (15) are arranged on the main support frame (11).

2. The vertical diagonal bracing member of the foundation pit retaining structure according to claim 1 is characterized in that: The enclosure base frame (12) is provided with a basic support (21), a front frame plate (22) provided on the basic support (21), and a fixed frame seat (23) installed at the bottom ends of the front frame plate (22) and the basic support (21); the fixed frame seat (23) is provided with a bottom support sheet (24), and the bottom support sheet (24) is installed with a mounting card frame (25).

3. The vertical diagonal bracing member of the foundation pit retaining structure according to claim 2 is characterized in that: The main body of the inclined support frame (13) is an inclined frame plate (31) for supporting a support leg frame (16); the branch top frame (14) comprises a triangular connection frame (32) mounted on the inclined frame plate (31), and an inclined support auxiliary frame (33) mounted in the triangular connection frame (32); the inclined support auxiliary frame (33) is mounted in the triangular connection frame (32) and has a swing track (34) built into the triangular connection frame (32) for adjusting the inclined support auxiliary frame (33).

4. The vertical diagonal bracing member of the foundation pit retaining structure according to claim 3 is characterized in that: The top ends of the oblique support auxiliary frame (33) and the inclined frame plate (31) are both inserted into the installation card frame (25) and are both installed and connected via a positioning shaft (36). A reinforcing frame plate (35) is installed between the installation card frames (25) at both ends.

5. The vertical diagonal bracing member of the foundation pit retaining structure according to claim 4, characterized in that: The main support (11) comprises a top frame plate (41), a support pad (42) installed on the top frame plate (41), and a fixed frame (43) installed between the top frame plate (41) and the base support (21); a mounting lock bolt (44) is installed between the fixed frame (43) and the front frame plate (22).

6. The vertical diagonal bracing member of the foundation pit retaining structure according to claim 5, characterized in that: The buffer abutment seat (15) is arranged between the corresponding fixing frame seat (23) and the supporting cushion block (42), and the buffer abutment seat (15) comprises an inner supporting inclined frame (45) installed between the supporting cushion block (42) and the basic bracket (21), an elastic telescopic rod (46) installed between the inner supporting inclined frame (45) and the basic bracket (21), and an inner supporting spring (47) wound around the elastic telescopic rod (46) and supported between the inner supporting inclined frame (45) and the basic bracket (21).

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