Fabricated foundation pit support

Abstract

The utility model relates to the technical field of foundation pit supporting, in particular to an assembly type foundation pit supporting which comprises a hinge arranged at one end of a positioning seat, a foundation pit supporting plate arranged on the surface of the hinge, a protruding block arranged on the side face of the foundation pit supporting plate, a groove formed in the other side face of the foundation pit supporting plate, a limiting block arranged on the side face of an auxiliary plate and a containing groove formed in the surface of the positioning seat. A limiting screw rod is arranged in the placing groove; the foundation pit supporting plate has the beneficial effects that firstly, the positioning seat is fixed to a proper position, then the convex block on the side face of one foundation pit supporting plate can be embedded into the groove of the other foundation pit supporting plate, the two foundation pit supporting plates can be connected through fixing of the bolts, and the overall rigidity can be improved by connecting the multiple foundation pit supporting plates; even if one or two foundation pit supporting plates fall off, the overall reinforcing effect cannot be affected, time is won for repairing of maintainers, after the foundation pit supporting plates are used, the foundation pit supporting plates can be folded through hinges, the occupied space is reduced, and use is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of foundation pit support, in particular to an assembled foundation pit support. Background Art

[0002] Foundation pit support is a measure of support, reinforcement and protection 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. It is a temporary measure of support, reinforcement, protection and groundwater control adopted for the foundation pit to protect the safety of underground main structure construction and the surrounding environment of the foundation pit.

[0003] However, most of the existing foundation pit support equipment are simple plate structures, which can only play a temporary supporting, reinforcing and protecting role. After the construction is completed, most of the foundation pit support plates cannot be recycled and reused, resulting in a large amount of resource waste. In addition, in order to ensure that the simple structure plates have a good reinforcement effect, additional support is required, and loading and unloading is cumbersome and inefficient.

[0004] To this end, the utility model proposes an assembled foundation pit support to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a prefabricated foundation pit support to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above object, the utility model provides the following technical solutions: an assembled foundation pit support, the assembled foundation pit support comprising: a positioning seat, a hinge is arranged at one end of the positioning seat, a foundation pit support plate is arranged on the hinge surface, a convex block is arranged on the side of the foundation pit support plate, and a groove is arranged on the other side of the foundation pit support plate;

[0007] The auxiliary plate has a limiting block arranged on the side of the auxiliary plate, a placement groove is opened on the surface of the positioning seat, and a limiting screw is arranged in the placement groove.

[0008] Preferably, the end face of the placement groove is provided with a bearing, one end of the limiting screw is fixedly connected to the inner ring surface of the bearing, and two groups of placement grooves are provided, and the two groups of placement grooves are symmetrically distributed about the center line of the long side of the end face of the positioning seat.

[0009] Preferably, a cone is provided at the bottom of the positioning seat, and the cones are provided in multiple groups, and the multiple groups of cones are fixedly connected to the bottom of the positioning seat, and a fixing plate is screwed on the surface of the limiting screw.

[0010] Preferably, a support rod is inserted into the side of the fixing plate, and a support frame is sleeved on the surface of the support rod. The support frame can rotate around the support rod, and the support frame can be fixed to the surface of the foundation pit supporting plate by limiting bolts.

[0011] Preferably, a positioning groove is provided on the surface of the foundation pit support plate, the auxiliary plate can be placed in the positioning groove, the auxiliary plate and the end face of the foundation pit support plate are connected to each other through a support hinge, and a limit block is also provided on the side of the foundation pit support plate, and a threaded hole is provided on the surface of the limit block.

[0012] Preferably, the protrusion is fixedly connected to the side of the foundation pit supporting plate, a positioning ring is provided in the foundation pit supporting plate, a positioning ring is also provided at one end of the positioning seat, and the two sets of positioning rings can be wound and fixed by ropes.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model discloses an assembled foundation pit support. When the foundation pit support is needed in use, the positioning seat is first fixed in a suitable position, and then the protrusion on the side of one foundation pit support plate can be embedded in the groove of another foundation pit support plate, and the two foundation pit support plates can be connected by fixing with bolts. The connection of multiple foundation pit support plates can increase the overall rigidity. Even if one or two foundation pit support plates fall off, it will not affect the overall reinforcement effect, which can save time for maintenance personnel to repair. After the foundation pit support plates are used, they can be folded and placed by the hinge setting, which also reduces the occupied space and is more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a top view of the structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the utility model when the structure is tilted;

[0018] Figure 4 for Figure 3 Enlarged structural diagram at A in the middle.

[0019] In the figure: 1. positioning seat; 2. hinge; 3. foundation pit support plate; 4. protrusion; 5. groove; 6. auxiliary plate; 7. limit block; 8. placement groove; 9. limit screw; 10. bearing; 11. cone; 12. fixing plate; 13. support rod; 14. support frame; 15. positioning groove; 16. support hinge; 17. positioning ring. DETAILED DESCRIPTION

[0020] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit 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.

[0021] In the description of the present utility model, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", "sixth" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0022] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] For the purpose of simplicity and illustration, the principles of the embodiments are mainly described by reference to examples. In the following description, many specific details are proposed to provide a thorough understanding of the embodiments. However, it is obvious that for those of ordinary skill in the art, these embodiments may not be limited to these specific details in practice. In some instances, known methods and structures are not described in detail to avoid making these embodiments unnecessarily difficult to understand. In addition, all embodiments can be used in combination with each other.

[0024] Embodiment 1

[0025] See also Figures 1 to 4The utility model provides a technical solution: an assembled foundation pit support, the assembled foundation pit support comprising: a positioning seat 1, a hinge 2 is arranged at one end of the positioning seat 1, a foundation pit support plate 3 is arranged on the surface of the hinge 2, a convex block 4 is arranged on the side of the foundation pit support plate 3, and a groove 5 is opened on the other side of the foundation pit support plate 3; an auxiliary plate 6, a limited block 7 is arranged on the side of the auxiliary plate 6, a placement groove 8 is opened on the surface of the positioning seat 1, and a limited screw 9 is arranged in the placement groove 8;

[0026] When the foundation pit support is needed during use, the positioning seat 1 is first fixed in a suitable position, and then the protrusion 4 on the side of one foundation pit support plate 3 can be embedded in the groove 5 of another foundation pit support plate 3, and the two foundation pit support plates 3 can be connected by fixing with bolts. Connecting multiple foundation pit support plates 3 can increase the overall rigidity. Even if one or two foundation pit support plates 3 fall off, it will not affect the overall reinforcement effect, which can save time for maintenance personnel to repair. After the foundation pit support plates 3 are used, they can be folded and placed through the setting of the hinge 2, which also reduces the space occupied and is more convenient to use.

[0027] Embodiment 2

[0028] On the basis of the first embodiment, in order to facilitate the support of the foundation pit, a foundation pit support plate 3 is provided, a cone 11 is provided at the bottom of the positioning seat 1, and multiple groups of cones 11 are provided, and the multiple groups of cones 11 are fixedly connected to the bottom of the positioning seat 1, and a fixing plate 12 is screwed on the surface of the limiting screw 9, and a bearing 10 is provided on the end face of the placement groove 8. One end of the limiting screw 9 is fixedly connected to the inner ring surface of the bearing 10, and two groups of placement grooves 8 are provided. The two groups of placement grooves 8 are symmetrically distributed about the center line of the long side of the end face of the positioning seat 1, and a support rod 13 is inserted into the side of the fixing plate 12. The surface of the support rod 13 is provided with a support frame 14, and the support frame 14 can rotate around the support rod 13. The support frame 14 can be fixed to the surface of the foundation pit support plate 3 by using a limiting bolt;

[0029] When in use, first rotate the foundation pit supporting plate 3 in conjunction with the hinge 2, and then rotate the support frame 14 to rotate the limit screw 9 to displace the fixing plate 12 on the limit screw 9. When it is displaced to a suitable position, the support frame 14 is fixed to the surface of the foundation pit supporting plate 3 using the limit bolts, so that the foundation pit supporting plate 3 can be fixedly supported by two groups of support frames 14 to improve the stability of the foundation pit support, and the protrusion 4 can be inserted into the groove 5 opened on the surface of the other group of foundation pit supporting plates 3 and fixed with the bolts, so that the two groups of foundation pit supporting plates 3 can be fixedly connected for easy use.

[0030] Embodiment 3

[0031] On the basis of the second embodiment, in order to improve the supporting effect of the foundation pit supporting plate 3, an auxiliary plate 6 is provided, a positioning groove 15 is provided on the surface of the foundation pit supporting plate 3, the auxiliary plate 6 can be placed in the positioning groove 15, the auxiliary plate 6 and the end surface of the foundation pit supporting plate 3 are connected to each other through a support hinge 16, a limit block 7 is also provided on the side of the foundation pit supporting plate 3, a threaded hole is provided on the surface of the limit block 7, the protrusion 4 is fixedly connected to the side of the foundation pit supporting plate 3, a positioning ring 17 is provided in the foundation pit supporting plate 3, and a positioning ring 17 is also provided at one end of the positioning seat 1, and the two groups of positioning rings 17 can be wound and fixed by ropes;

[0032] When it is necessary to support a higher foundation pit during use, the auxiliary plate 6 can be rotated by using the setting of the support hinge 16 to make the auxiliary plate 6 parallel to the foundation pit support plate 3, and then the two sets of limit blocks 7 can be fixed by using fixing bolts, so that the auxiliary plate 6 can be fixed above the foundation pit support plate 3, thereby increasing the support height of the foundation pit. When the auxiliary plate 6 is not in use, it can be placed in the positioning groove 15 for convenience.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An assembled foundation pit support, characterized in that: The assembled foundation pit support comprises: a positioning seat (1), a hinge (2) is arranged at one end of the positioning seat (1), a foundation pit support plate (3) is arranged on the surface of the hinge (2), a convex block (4) is arranged on the side of the foundation pit support plate (3), and a groove (5) is arranged on the other side of the foundation pit support plate (3); The auxiliary plate (6) has a limiting block (7) disposed on the side of the auxiliary plate (6). The surface of the positioning seat (1) has a placement groove (8) disposed therein, and a limiting screw rod (9) is disposed in the placement groove (8).

2. The assembled foundation pit support according to claim 1 is characterized in that: The end surface of the placement groove (8) is provided with a bearing (10), one end of the limiting screw (9) is fixedly connected to the inner ring surface of the bearing (10), and two groups of placement grooves (8) are provided, and the two groups of placement grooves (8) are symmetrically distributed about the center line of the long side of the end surface of the positioning seat (1).

3. The assembled foundation pit support according to claim 1 is characterized in that: The bottom of the positioning seat (1) is provided with a cone (11), and the cones (11) are provided in multiple groups. The multiple groups of cones (11) are all fixedly connected to the bottom of the positioning seat (1), and a fixing plate (12) is screwed on the surface of the limiting screw (9).

4. The assembled foundation pit support according to claim 3 is characterized in that: A support rod (13) is inserted into the side of the fixing plate (12), and a support frame (14) is sleeved on the surface of the support rod (13). The support frame (14) can rotate around the support rod (13), and the support frame (14) can be fixed to the surface of the foundation pit supporting plate (3) by means of limiting bolts.

5. The assembled foundation pit support according to claim 1 is characterized in that: The surface of the foundation pit support plate (3) is provided with a positioning groove (15), the auxiliary plate (6) can be placed in the positioning groove (15), the auxiliary plate (6) and the end surface of the foundation pit support plate (3) are connected to each other through a support hinge (16), and a limit block (7) is also provided on the side of the foundation pit support plate (3), and a threaded hole is provided on the surface of the limit block (7).

6. The assembled foundation pit support according to claim 1 is characterized in that: The protrusion (4) is fixedly connected to the side of the foundation pit support plate (3), a positioning ring (17) is arranged inside the foundation pit support plate (3), and a positioning ring (17) is also arranged at one end of the positioning seat (1), and the two groups of positioning rings (17) can be wound and fixed by ropes.

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