Deep foundation pit construction supporting device

Abstract

The utility model discloses a deep foundation pit construction supporting device, and relates to the foundation pit supporting technology. The supporting device supports the structure; the first supporting piece comprises a supporting plate and a first adjusting part, the first adjusting part is installed on the supporting structure, one end of the first adjusting part is connected with the supporting plate, and the first adjusting part is used for driving the supporting plate to stretch out and draw back; the supporting structure is arranged at the top of the supporting structure and rotationally connected with the supporting structure; the second supporting piece comprises a supporting plate and a second adjusting part, the second adjusting part is installed on the supporting structure, one end of the second adjusting part is connected with the supporting plate, and the second adjusting part is used for driving the supporting plate to stretch out and draw back. According to the utility model, the first supporting piece is designed, so that the bottom of the foundation pit can be supported while the template is supported, the firmness of the support is improved, and the application range of the support is widened.

Description

Technical Field

[0001] The utility model relates to the technical field of foundation pit support, in particular to a deep foundation pit construction support device. Background Art

[0002] Deep foundation pit refers to the project with excavation depth exceeding 5 meters (including 5 meters), or the project with depth not exceeding 5 meters but with complicated geological conditions, surrounding environment and underground pipelines. Foundation pit support is the support, reinforcement and protection measures adopted 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. The foundation pit support project is a temporary project, and the designed safety reserve can be relatively small, but it is related to regionality.

[0003] At present, the foundation pit support is generally to fix the diagonal rod obliquely between the foundation pit formwork and the ground. In this way, the bottom of the foundation pit is not supported during support, which can easily lead to a reduction in the strength of the support and affect the firmness of the support. At the same time, the position of the diagonal rod and the bottom of the foundation pit is relatively fixed during support, and it is not easy to support different positions according to actual conditions, which reduces the scope of application of the support. Utility Model Content

[0004] In view of the defects existing in the prior art, the technical problem solved by the utility model is: how to improve the firmness and application scope of foundation pit support.

[0005] In order to achieve the above purpose, the deep foundation pit construction support device provided by the utility model comprises:

[0006] Support structure;

[0007] A first supporting member, comprising a supporting plate and a first adjusting portion, wherein the first adjusting portion is mounted on the supporting structure and one end of the first adjusting portion is connected to the supporting plate, and the first adjusting portion is used to drive the supporting plate to extend and retract;

[0008] A supporting structure, which is arranged on the top of the supporting structure and is rotatably connected to the supporting structure;

[0009] The second supporting member comprises a supporting plate and a second adjusting portion. The second adjusting portion is installed on the supporting structure and one end of the second adjusting portion is connected to the supporting plate. The second adjusting portion is used to drive the supporting plate to extend and retract.

[0010] Based on the above technology, the support structure includes a base, a slide groove is opened inside the base, and the first supporting member is slidably connected to the slide groove.

[0011] Based on the above technology, the first adjustment part includes a telescopic component and a first rotating component. The telescopic component includes a movable column, which is slidably arranged inside a slide groove. A first threaded rod is inserted into one end of the movable column and is threadedly connected to the movable column. A support plate is installed at the other end of the movable column. The first threaded rod passes through one end of the base and is connected to the first rotating component.

[0012] Based on the above technology, the first rotating assembly includes a first rotating block and a hand wheel, and the hand wheel is connected to the first threaded rod through the first rotating block.

[0013] Based on the above technology, two fixing plates are arranged on the top of the supporting structure, and the supporting structure is rotatably connected to the supporting structure through the two fixing plates.

[0014] Based on the above technology, the support structure includes an annular frame, which is rotatably arranged between two fixed plates. The second adjustment part includes an extrusion member and a second rotating component, the second rotating component is arranged at one end of the extrusion member, and the extrusion member is arranged inside the annular frame.

[0015] Based on the above technology, the extrusion part includes a threaded tube and a second threaded rod, one end of the second threaded rod is rotatably arranged inside the threaded tube, and the other end of the second threaded rod is connected to the annular frame; one end of the threaded tube passes through the annular frame and is connected to the support plate, and the other end of the threaded tube is provided with a horizontal plate, which is slidably connected to the inner wall of the annular frame.

[0016] Based on the above technology, the support plate is rotatably connected to the threaded tube through a connecting plate.

[0017] Based on the above technology, the second rotating assembly includes a second rotating block and a handle. The second rotating block and the handle are both arranged on the second threaded rod, and the second rotating block is arranged on one side of the handle.

[0018] Based on the above-mentioned technology, the supporting structure includes a base, a slide groove is opened inside the base, the first supporting member is slidably connected to the slide groove, and a plurality of first holes are opened on the base, which are used to connect the base fixing member with the foundation pit ground; a plurality of second holes are opened on the support plate, which are used to connect the support plate with the foundation pit template.

[0019] Compared with the prior art, the advantages of the utility model are:

[0020] The device of the utility model uses the support structure as a base, and a first support member is arranged on the support structure. By adjusting the first adjustment part of the first support member, the support plate of the first support member is extended and retracted, so that the first support member can support the bottom of the foundation pit; a support structure is rotatably connected to the support structure, and a second support member is designed on the support structure. By adjusting the second adjustment part of the second support member, the support plate of the second support member is extended and retracted, so that the second support member supports the template of the foundation pit. Compared with the existing support through inclined rods, because the support device is designed with the first support member, the bottom of the foundation pit can be supported while supporting the template, thereby improving the firmness of the support; the two support members of the support device can both be extended and retracted, and the angle between the two support members can be adjusted, so different positions can be supported according to actual conditions, thereby improving the application range of the support. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a structural schematic diagram of a deep foundation pit construction support device according to an embodiment of the utility model;

[0022] Figure 2 for Figure 1 A cross-sectional view of

[0023] Figure 3 for Figure 1 A front view of

[0024] Figure 4 for Figure 2 Enlarged view of part A.

[0025] In the figure: 1-support structure, 11-base, 111-slide groove, 112-first hole, 12-first supporting member, 121-first threaded rod, 122-movable column, 123-support plate, 13-first adjusting part, 131-first rotating block, 132-handwheel, 2-support structure, 21-fixed plate, 22-annular frame, 23-extrusion member, 231-second threaded rod, 232-threaded tube, 233-cross plate, 24-second adjusting part, 241-handle, 242-second rotating block, 25-second supporting member, 251-support plate, 2511-second hole, 252-connecting plate. DETAILED DESCRIPTION

[0026] The embodiments of the present invention are further described in detail below in conjunction with the accompanying drawings.

[0027] The deep foundation pit construction support device in the embodiment of the utility model, see Figure 1 As shown, including:

[0028] Support structure 1;

[0029] The first supporting member 12 includes a supporting plate 123 and a first adjusting portion 13. The first adjusting portion 13 is installed on the supporting structure 1 and one end of the first adjusting portion 13 is connected to the supporting plate 123. The first adjusting portion 13 is used to drive the supporting plate 123 to extend or retract.

[0030] A supporting structure 2, which is arranged on the top of the supporting structure 1 and is rotatably connected to the supporting structure 1;

[0031] The second supporting member 25 includes a supporting plate 251 and a second adjusting portion 24 . The second adjusting portion 24 is installed on the supporting structure 2 , and one end of the second adjusting portion 24 is connected to the supporting plate 251 . The second adjusting portion 24 is used to drive the supporting plate 251 to extend or retract.

[0032] It can be seen that the device of the utility model uses the support structure as a base, and a first support member is arranged on the support structure. By adjusting the first adjustment part of the first support member, the support plate of the first support member is extended and retracted, so that the first support member can support the bottom of the foundation pit; a support structure is rotatably connected to the support structure, and a second support member is designed on the support structure. By adjusting the second adjustment part of the second support member, the support plate of the second support member is extended and retracted, so that the second support member supports the template of the foundation pit. Compared with the existing support through inclined rods, because the support device is designed with the first support member, the bottom of the foundation pit can be supported while supporting the template, thereby improving the firmness of the support; the two support members of the support device can be extended and retracted, and the angle between the two support members can be adjusted, so different positions can be supported according to actual conditions, thereby improving the scope of application of the support.

[0033] Preferably, the supporting structure 1 includes a base 11 , a slide groove 111 is formed inside the base 11 , and the first supporting member 12 is slidably connected to the slide groove 111 .

[0034] The benefit of such a design is that the base 11 is used to support the entire device, and the first supporting member 12 needs to be retracted, so the first supporting member 12 and the base 11 need to be movably connected, so a slide groove 111 is opened in the base 11.

[0035] Preferably, the first adjustment part 13 includes a telescopic component and a first rotating component, the telescopic component includes a movable column 122, and the movable column 122 is slidably arranged inside the slide groove 111; a first threaded rod 121 is inserted into one end of the movable column 122, which is threadedly connected to the movable column 122, and a support plate 123 is installed at the other end of the movable column 122; the first threaded rod 121 passes through one end of the base 11 and is connected to the first rotating component.

[0036] The benefit of such a design is that in order to adjust the position of the support plate 123 so that it abuts against the bottom of the foundation pit, the above structure is designed so that the first rotating component can control the extension and retraction of the telescopic component.

[0037] Preferably, the first rotating assembly includes a first rotating block 131 and a hand wheel 132 , and the hand wheel 132 is connected to the first threaded rod 121 through the first rotating block 131 .

[0038] The benefit of such a design is that rotating the hand wheel 132 can drive the first threaded rod 121 to rotate, thereby controlling the extension and retraction of the movable column 122 , and the first rotating block 131 can adjust the tightness.

[0039] Preferably, two fixing plates 21 are provided on the top of the supporting structure 1 , and the retaining structure 2 is rotatably connected to the supporting structure 1 via the two fixing plates 21 .

[0040] The benefit of such a design is that in order to adjust the angle between the first supporting member 12 and the second supporting member 25, the first supporting member 12 is installed on the supporting structure 1, and the second supporting member 25 is installed on the supporting structure 2, so that the supporting structure 1 and the supporting structure 2 are rotationally connected.

[0041] Preferably, the support structure 2 includes an annular frame 22, which is rotatably arranged between two fixed plates 21, and the second adjustment part 24 includes an extrusion member 23 and a second rotating component, the second rotating component is arranged at one end of the extrusion member 23, and the extrusion member 23 is arranged inside the annular frame 22.

[0042] The benefit of such a design is that the above design can combine the second adjustment part 24 with the supporting structure 2 , and the combination method between the two can also be the combination structure between the first adjustment part 13 and the supporting structure 1 .

[0043] Preferably, the extrusion member 23 includes a threaded tube 232 and a second threaded rod 231, one end of the second threaded rod 231 is rotatably arranged inside the threaded tube 232, and the other end of the second threaded rod 231 is connected to the annular frame 22; one end of the threaded tube 232 passes through the annular frame 22 and is connected to the support plate 251, and the other end of the threaded tube 232 is provided with a cross plate 233, and the cross plate 233 is slidably connected to the inner wall of the annular frame 22.

[0044] The benefit of such a design is that in order to control the extension and retraction of the support plate 251, the structure of the extrusion member 23 is designed, and the extension and retraction of the support plate 251 is achieved by controlling the extrusion member 23 through the second rotating component, so that the support plate 251 is offset from the template of the foundation pit.

[0045] Preferably, the support plate 251 is rotatably connected to the threaded tube 232 via a connecting plate 252 .

[0046] The benefit of such a design is that in order to make the support between the support plate 251 and the foundation pit template more compatible, a rotation connection is performed between the support plate 251 and the threaded tube 232, and the angle of the support plate 251 can be adjusted.

[0047] Preferably, the second rotating assembly includes a second rotating block 242 and a handle 241 . The second rotating block 242 and the handle 241 are both disposed on the second threaded rod 231 , and the second rotating block 242 is disposed on one side of the handle 241 .

[0048] The benefit of such a design is that the handle 241 can drive the second threaded rod 231 to rotate, thereby controlling the extension and contraction of the threaded tube 232 , and the tightness of the second threaded rod 231 can be adjusted.

[0049] Preferably, the supporting structure 1 includes a base 11, a slide groove 111 is opened inside the base 11, the first supporting member 12 is slidably connected to the slide groove 111, and a plurality of first holes 112 are opened on the base 11, which are used to connect the base 11 fixing member with the foundation pit ground; the supporting plate 251 is opened with a plurality of second holes 2511, which are used to connect the supporting plate 251 with the foundation pit template.

[0050] The benefit of such a design is that the design can fix the base 11 to the bottom surface and the support plate 251 to the foundation pit formwork, thereby improving the support effect.

[0051] The present invention is not limited to the above-mentioned optimal implementation mode. Anyone can derive other various forms of products under the inspiration of the present invention. However, no matter what changes are made in the shape or structure, any technical solution that is the same or similar to the present invention is within the scope of protection.

Claims

1. A deep foundation pit construction support device, characterized in that: It includes: Support structure (1); A first supporting member (12), comprising a supporting plate (123) and a first adjusting portion (13); the first adjusting portion (13) is mounted on the supporting structure (1) and one end of the first adjusting portion (13) is connected to the supporting plate (123); the first adjusting portion (13) is used to drive the supporting plate (123) to extend or retract; A supporting structure (2) is arranged on the top of the supporting structure (1) and is rotatably connected to the supporting structure (1); The second supporting member (25) comprises a supporting plate (251) and a second adjusting portion (24); the second adjusting portion (24) is mounted on the supporting structure (2) and one end of the second adjusting portion (24) is connected to the supporting plate (251); the second adjusting portion (24) is used to drive the supporting plate (251) to extend or retract.

2. The deep foundation pit construction support device according to claim 1, characterized in that: The support structure (1) comprises a base (11), a slide groove (111) is provided inside the base (11), and the first support member (12) is slidably connected to the slide groove (111).

3. The deep foundation pit construction support device according to claim 2, characterized in that: The first adjustment part (13) includes a telescopic component and a first rotating component. The telescopic component includes a movable column (122). The movable column (122) is slidably arranged inside the slide groove (111); a first threaded rod (121) is inserted into one end of the movable column (122) and is threadedly connected to the movable column (122); a supporting plate (123) is installed at the other end of the movable column (122); the first threaded rod (121) passes through one end of the base (11) and is connected to the first rotating component.

4. The deep foundation pit construction support device according to claim 3, characterized in that: The first rotating assembly comprises a first rotating block (131) and a hand wheel (132), and the hand wheel (132) is connected to the first threaded rod (121) through the first rotating block (131).

5. The deep foundation pit construction support device according to claim 1, characterized in that: Two fixing plates (21) are arranged on the top of the support structure (1), and the support structure (2) is rotatably connected to the support structure (1) via the two fixing plates (21).

6. The deep foundation pit construction support device according to claim 5, characterized in that: The support structure (2) comprises an annular frame (22), the annular frame (22) is rotatably arranged between two fixed plates (21), the second adjustment part (24) comprises an extrusion piece (23) and a second rotating assembly, the second rotating assembly is arranged at one end of the extrusion piece (23), and the extrusion piece (23) is arranged inside the annular frame (22).

7. The deep foundation pit construction support device according to claim 6, characterized in that: The extrusion member (23) comprises a threaded tube (232) and a second threaded rod (231); one end of the second threaded rod (231) is rotatably arranged inside the threaded tube (232), and the other end of the second threaded rod (231) is connected to the annular frame (22); one end of the threaded tube (232) passes through the annular frame (22) and is connected to the support plate (251); the other end of the threaded tube (232) is provided with a transverse plate (233), and the transverse plate (233) is slidably connected to the inner wall of the annular frame (22).

8. The deep foundation pit construction support device according to claim 7, characterized in that: The support plate (251) is rotatably connected to the threaded tube (232) via a connecting plate (252).

9. The deep foundation pit construction support device according to claim 7, characterized in that: The second rotating assembly comprises a second rotating block (242) and a handle (241). The second rotating block (242) and the handle (241) are both arranged on the second threaded rod (231), and the second rotating block (242) is arranged on one side of the handle (241).

10. The deep foundation pit construction support device according to claim 8, characterized in that: The support structure (1) comprises a base (11), a slide groove (111) is provided inside the base (11), a first support member (12) is slidably connected to the slide groove (111), a plurality of first holes (112) are provided on the base (11), which are used to connect the base (11) fixing member with the foundation pit ground; and a plurality of second holes (2511) are provided on the support plate (251), which are used to connect the support plate (251) with the foundation pit template.

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