Support structure in foundation pit

Abstract

The utility model discloses a support structure in a foundation pit, and relates to the technical field of foundation pits, comprising a base, a support plate, a support assembly and a locking assembly, wherein the support plate is movably arranged at the rear side of the top end of the base; two support assemblies are arranged, and the two support assemblies are symmetrically arranged between the base and the support plate; the support assembly comprises a threaded sleeve, and a support screw is inserted into the bottom thread of the threaded sleeve; the locking assembly is arranged at the bottom end of the support plate; through the cooperation of the threaded sleeve, the support screw, the hinge seat, the buckle and the clamping seat, the angle between the base and the support plate can be adjusted according to the actual inclination angle of the inner side wall of the foundation pit, and the angle between the adjusted base and the support plate can also be fixed to ensure the stability after adjustment, and at the same time, a triangular fixation can be formed through the cooperation of the support assembly, the base and the support plate, so that the base is in contact with the inner bottom wall of the foundation pit, and the support plate is in contact with the inner side wall of the foundation pit when in use.

Description

Technical Field

[0001] The utility model relates to the technical field of foundation pits, in particular to a supporting structure in a foundation pit. Background Art

[0002] The foundation pit is an earth pit excavated at the foundation design location according to the base elevation and foundation plane dimensions. Large foundation pits even use methods such as underground continuous walls and column-type bored cast-in-place pile chains to prevent the outer soil layer from collapsing.

[0003] The existing patent application number is: 202222714686.3, and the patent name is: A support structure in a foundation pit; by utilizing the elastic reset effect of the spring, the two fixing rods are respectively movably inserted into the slots, so that the second support plate is connected and fixed to the first support plate, and then the support rod is inserted into the fixing seat, and the support rod and the fixing seat are fixed by bolts, so that the connection between the second support plate and the base and the first support plate is more stable, and the force on the second support plate is more uniform, thereby improving the supporting strength of the second support plate. The support structure in the foundation pit can increase the support height through the assembly of the second support plate and the first support plate, and has high applicability, thereby improving the practicality of the support structure in the foundation pit.

[0004] This solution has the following defects:

[0005] In this device, the first support plate is fixed on the base, so that the angle between the first support plate and the base is fixed and cannot be changed. In reality, the inner wall of the foundation pit is not necessarily perpendicular to the bottom, and the support structure inside the foundation pit in the related technology cannot be adjusted according to the inclination angle of the inner wall of the foundation pit, thereby failing to achieve stable support for the foundation pit. Utility Model Content

[0006] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and utility model name of this application to avoid blurring the purpose of this section, specification abstract and utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0007] In view of the above problems in the background technology, the present utility model is proposed.

[0008] Therefore, the utility model aims to provide a supporting structure in a foundation pit.

[0009] In order to solve the above technical problems, the utility model provides the following technical solutions: the support structure in the foundation pit includes a base, a support plate, a support assembly and a locking assembly, and the support plate is movably arranged on the rear side of the top end of the base; two support assemblies are provided, and the two support assemblies are symmetrically arranged between the base and the support plate, and are used to fix the angle between the base and the support plate; the support assembly includes a threaded sleeve, and the bottom thread of the threaded sleeve is inserted with a support screw, which is used to adjust the angle between the base and the support plate; the locking assembly is arranged at the bottom end of the support plate, and the locking assembly includes a fixing screw and a threaded sleeve plate; it is used to fix adjacent support structures.

[0010] As a preferred solution of the support structure in the foundation pit of the utility model, the front side of the bottom end of the support plate is fixedly connected with a clamping seat, the top end of the threaded sleeve is rotatably connected with a buckle for use with the clamping seat, the bottom of the support screw is hinged with an articulated seat, and the bottom end of the articulated seat is fixedly connected to the front side of the top end of the base.

[0011] As a preferred solution of the supporting structure in the foundation pit of the utility model, the outer walls of the two threaded sleeves are fixedly sleeved with synchronous gears, and the outer walls of the two synchronous gears are sleeved with synchronous toothed belts meshing therewith.

[0012] As a preferred solution of the supporting structure in the foundation pit of the utility model, wherein: the bottom fixing sleeve of the outer wall of the threaded sleeve is provided with an auxiliary ring, and the outer wall of the auxiliary ring is provided with an anti-slip groove.

[0013] As a preferred solution of the support structure in the foundation pit of the utility model, the top end of the base is fixedly connected to a first reinforcement frame, the bottom end of the support plate is fixedly connected to a second reinforcement frame, and the rear ends of the first reinforcement frame and the second reinforcement frame are hinged by hinges.

[0014] As a preferred solution of the supporting structure in the foundation pit of the utility model, the bottom of the two side walls of the second reinforcement frame are respectively provided with grooves and slots for clamping and fitting with the fixing screws, a rotating rod is rotatably inserted inside the groove, the rotating rod is fixedly connected to the fixing screw, and the threaded sleeve is threadedly sleeved on the outside of the fixing screw.

[0015] As a preferred solution of the support structure in the foundation pit of the utility model, a plurality of positioning rods are fixedly connected to the bottom end of the base and the top end of the support plate at equal distances.

[0016] The beneficial effects of the utility model are as follows: through the cooperation of the threaded sleeve, the support screw, the hinged seat, the buckle and the clamping seat, the angle between the base and the support plate can be adjusted according to the actual inclination angle of the inner wall of the foundation pit, and the angle between the adjusted base and the support plate can be fixed to ensure the stability after adjustment. At the same time, through the cooperation of the support assembly with the base and the support plate, a triangular fixation can be formed. When in use, the base is in contact with the bottom wall of the foundation pit, and the support plate is in contact with the inner wall of the foundation pit. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0019] Figure 2 It is a schematic diagram of the bottom structure of the base of the utility model.

[0020] Figure 3 This is a schematic diagram of the expanded structure of the base and support plate of the utility model.

[0021] Figure 4 For this utility model Figure 3 Enlarged structural diagram at A in the middle.

[0022] Figure 5 This is a schematic diagram of the structure of the support assembly of the utility model.

[0023] In the figure: 1. base; 11. first reinforcement frame; 2. support plate; 21. second reinforcement frame; 211. rotating rod; 2111. fixing screw; 2112. threaded sleeve; 212. slot; 3. threaded sleeve; 31. supporting screw; 311. hinge seat; 32. buckle; 321. seat; 33. connecting plate; 34. synchronous belt; 341. synchronous gear; 35. auxiliary ring; 4. positioning rod. DETAILED DESCRIPTION

[0024] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0025] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0026] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments.

[0027] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the embodiments of the present invention, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0028] Example

[0029] Reference Figure 1 to Figure 5 As shown, a supporting structure in a foundation pit is provided, including a base 1, a supporting plate 2, a supporting assembly and a locking assembly, wherein the supporting plate 2 is movably arranged at the rear side of the top end of the base 1; two supporting assemblies are provided, and the two supporting assemblies are symmetrically arranged between the base 1 and the supporting plate 2, and are used to fix the angle between the base 1 and the supporting plate 2; the supporting assembly includes a threaded sleeve 3, and a supporting screw 31 is threadedly inserted in the bottom of the threaded sleeve 3, and is used to adjust the angle between the base 1 and the supporting plate 2; the locking assembly is arranged at the bottom end of the supporting plate 2, and the locking assembly includes a fixing screw 2111 and a threaded sleeve plate 2112; and is used to fix adjacent supporting structures.

[0030] Refer to the attached Figure 3 and attached Figure 5As shown, the front side of the bottom end of the support plate 2 is fixedly connected with a socket 321, the top end of the threaded sleeve 3 is rotatably connected with a buckle 32 that is used for clamping and cooperating with the socket 321, the bottom of the support screw 31 is hinged with an articulated seat 311, and the bottom end of the articulated seat 311 is fixedly connected to the front side of the top end of the base 1; wherein, through the cooperation of the threaded sleeve 3, the support screw 31, the articulated seat 311, the buckle 32 and the socket 321, the angle between the base 1 and the support plate 2 can be adjusted according to the actual inclination angle of the inner wall of the foundation pit, and the angle between the adjusted base 1 and the support plate 2 can also be fixed to ensure the stability after adjustment, and at the same time, a triangular fixation can be formed through the cooperation of the support assembly with the base 1 and the support plate 2, so that the base 1 contacts the bottom wall of the foundation pit, and the support plate 2 contacts the inner wall of the foundation pit when in use.

[0031] Furthermore, the outer walls of the two threaded sleeves 3 are fixedly sleeved with synchronous gears 341, and the outer walls of the two synchronous gears 341 are sleeved with synchronous toothed belts 34 meshing therewith; through the mutual cooperation of the synchronous gears 341 and the synchronous toothed belts 34, the two threaded sleeves 3 can rotate synchronously.

[0032] Furthermore, an auxiliary ring 35 is fixedly sleeved at the bottom of the outer wall of the threaded sleeve 3 , and an anti-slip groove is provided on the outer wall of the auxiliary ring 35 , so that the friction between the hand and the threaded sleeve 3 can be increased through the auxiliary ring 35 .

[0033] The top end of the base 1 is fixedly connected with a first reinforcement frame 11, the bottom end of the support plate 2 is fixedly connected with a second reinforcement frame 21, and the rear ends of the first reinforcement frame 11 and the second reinforcement frame 21 are hinged by hinges.

[0034] See attached Figure 3 and attached Figure 4 As shown, the bottom of the two side walls of the second reinforcement frame 21 are respectively provided with grooves and slots 212 for engaging with the fixing screw 2111, and a rotating rod 211 is rotatably inserted inside the groove. The rotating rod 211 is fixedly connected to the fixing screw 2111, and the threaded sleeve 2112 is threadedly sleeved on the outside of the fixing screw 2111; wherein two adjacent supporting structures can be fixed by the locking assembly, and when the two supporting structures are fitted to each other, the fixing screw 2111 is held by hand to engage the fixing screw 2111 in the slot 212 on the second reinforcement frame 21 on the adjacent support plate 2, and then the threaded sleeve 2112 is held by hand to fix the two adjacent supporting structures through the threaded sleeve 2112.

[0035] See attached Figure 1 and attached Figure 2 As shown, a plurality of positioning rods 4 are equidistantly fixedly connected to the bottom end of the base 1 and the top end of the support plate 2 , and the base 1 and the support plate 2 can be fixed in the foundation pit through the positioning rods 4 .

[0036] It should be noted that the various standard parts used in the present invention are all available on the market, and non-standard parts can be specially customized. The connection methods adopted in the present invention, such as threaded connection, hinge, etc., are also very common means in the mechanical field, and the inventor will not go into details here.

[0037] Operation process: when in use, first place the base 1 inside the foundation pit, then open the support plate 2, make the top of the support plate 2 fit with the inner wall of the foundation pit, then insert the positioning rod 4 at the bottom of the base 1 and the positioning rod 4 at the top of the support plate 2 into the foundation pit respectively, then hold the threaded sleeve 3, and then rotate the threaded sleeve 3 counterclockwise to move the threaded sleeve 3 upward along the outer wall of the support screw 31, and the buckle 32 at the top of the threaded sleeve 3 is stuck in the clamping seat 321;

[0038] Next, make the two support structures fit together, and then hold the fixing screw 2111, so that the fixing screw 2111 is clamped in the slot 212 on the second reinforcement frame 21 on the adjacent support plate 2, and then hold the threaded sleeve 2112 to fix the two adjacent support structures through the threaded sleeve 2112.

[0039] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. The supporting structure in the foundation pit is characterized by: It comprises a base (1), a support plate (2), a support component and a locking component. The support plate (2) is movably arranged on the rear side of the top end of the base (1); Two support assemblies are provided, and the two support assemblies are symmetrically arranged between the base (1) and the support plate (2), and are used to fix the angle between the base (1) and the support plate (2); The support assembly comprises a threaded sleeve (3), the bottom of which is threadedly plugged with a support screw (31) for adjusting the angle between the base (1) and the support plate (2); The locking assembly is arranged at the bottom end of the support plate (2), and comprises a fixing screw (2111) and a threaded sleeve plate (2112); and is used to fix the adjacent supporting structure.

2. The support structure in the foundation pit according to claim 1, characterized in that: The front side of the bottom end of the support plate (2) is fixedly connected to a clamping seat (321); the top end of the threaded sleeve (3) is rotatably connected to a buckle (32) for use with the clamping seat (321); the bottom of the support screw (31) is hingedly connected to a hinge seat (311); the bottom end of the hinge seat (311) is fixedly connected to the front side of the top end of the base (1).

3. The support structure in the foundation pit according to claim 1, characterized in that: The outer walls of the two threaded sleeves (3) are fixedly sleeved with synchronous gears (341), and the outer walls of the two synchronous gears (341) are sleeved with synchronous toothed belts (34) meshing therewith.

4. The support structure in the foundation pit according to claim 1, characterized in that: An auxiliary ring (35) is fixedly sleeved at the bottom of the outer wall of the threaded sleeve (3), and an anti-slip groove is provided on the outer wall of the auxiliary ring (35).

5. The support structure in the foundation pit according to claim 1, characterized in that: The top end of the base (1) is fixedly connected to a first reinforcement frame (11), the bottom end of the support plate (2) is fixedly connected to a second reinforcement frame (21), and the rear ends of the first reinforcement frame (11) and the second reinforcement frame (21) are hingedly connected via hinges.

6. The support structure in the foundation pit according to claim 5, characterized in that: The bottom of the two side walls of the second reinforcement frame (21) are respectively provided with grooves and slots (212) for engaging with the fixing screw (2111), a rotating rod (211) is rotatably inserted inside the groove, the rotating rod (211) is fixedly connected to the fixing screw (2111), and the threaded sleeve (2112) is threadedly sleeved on the outside of the fixing screw (2111).

7. The support structure in the foundation pit according to claim 1, characterized in that: The bottom end of the base (1) and the top end of the support plate (2) are fixedly connected with a plurality of positioning rods (4) at equal distances.

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