CN215629990U

CN215629990U - Inner supporting structure for foundation pit

Info

Publication number: CN215629990U
Application number: CN202120325734.2U
Authority: CN
Inventors: 周伟
Original assignee: Wenzhou Zhongyan Foundation Engineering Co ltd
Current assignee: Wenzhou Zhongyan Foundation Engineering Co ltd
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2022-01-25
Anticipated expiration: 2031-02-05

Abstract

The utility model discloses an inner supporting structure of a foundation pit, belonging to the technical field of foundation pit protection; the base, fixedly connected with support column on the base, support column outside cover has the carriage, the carriage is connected with the spliced pole respectively all around, be connected with the triangle-shaped fixed plate between spliced pole and the carriage, spliced pole one end is connected with interior backup pad, interior backup pad one side is equipped with a plurality of flexible posts, flexible post is connected with outer backup pad, flexible post outside cover has the spring, the carriage is equipped with a plurality of bolts all around, the support column is equipped with a plurality of bolt holes all around, the support column top is equipped with the baffle, the base is equipped with a plurality of screw holes that link up, threaded hole is equipped with the screw thread post, the screw thread top of the post is fixed with circular baffle, circular baffle top one side is equipped with the bearing, the bearing is connected with the column spinner. The utility model has the advantages of convenient use, light weight, reduced cost, capability of adjusting the height of the supporting surface according to local conditions and wider application range.

Description

Inner supporting structure for foundation pit

Technical Field

The utility model provides an inner supporting structure of a foundation pit, and belongs to the technical field of foundation pit protection.

Background

The foundation pit is a soil pit excavated at the design position of the foundation according to the elevation of the foundation and the size of the plane of the foundation, a deeper and adjacent building is excavated, and the outer soil layer can be protected from collapse by using a foundation pit wall supporting method, a concrete spraying and wall protecting method, a large foundation pit and even a method of interlocking underground continuous walls and column type bored concrete piles and the like; for those who have no influence on nearby buildings, the underground water level can be reduced by a well point method, and slope releasing open cut is adopted; natural cold air freezing method can be adopted to excavate in cold areas; with continuous excavation of large deep foundation pits, the supporting system of the foundation pit is more important. The existing foundation pit supporting device is generally heavy and easy to settle, and meanwhile, the existing foundation pit supporting device is a fixed dead supporting surface, cannot be adjusted according to actual conditions, and is not wide in application range.

SUMMERY OF THE UTILITY MODEL

The foundation pit inner supporting structure provided by the utility model is simple in structure, light in weight, capable of adjusting the height of the supporting surface and wide in application range.

In order to solve the above problems, the present invention provides the following technical solutions: the base is included, fixedly connected with support column on the base, support column outside cover has the carriage, the carriage is connected with the spliced pole respectively all around, be connected with the triangle-shaped fixed plate between spliced pole and the carriage, spliced pole one end is connected with the inner support board, inner support board one side is equipped with a plurality of flexible posts, flexible post connection has the outer backup pad, flexible post outside cover has the spring, the carriage is equipped with a plurality of bolts all around, the support column is equipped with a plurality of bolt holes all around, the support column top is equipped with the baffle, the base is equipped with a plurality of screw holes that link up, threaded hole is equipped with the screw thread post, screw thread top is fixed with circular baffle, circular baffle top one side is equipped with the bearing, the bearing is connected with the column spinner.

The inner supporting plate is connected with the outer supporting plate through a spring.

And threads matched with the bolts are arranged in the bolt holes.

And a gap is arranged between the connecting frame and the supporting column.

The threaded column penetrates through the threaded hole and is matched with the threaded hole.

The bolt penetrates through the connecting frame and is fixed in the bolt hole.

The bottom end of the threaded column is provided with a cone.

The utility model has the beneficial effects that: the utility model has the advantages of convenient use, light weight, reduced cost, capability of adjusting the height of the supporting surface according to local conditions and wider application range.

Drawings

Fig. 1 is a schematic structural diagram of an inner support structure of a foundation pit according to the present invention.

Fig. 2 is a schematic structural diagram of a position a in the foundation pit support structure according to the present invention.

Fig. 3 is a schematic top sectional view of the inner support structure of the foundation pit according to the present invention.

(1, base, 2, support column, 3, connecting frame, 4, connecting column, 5, triangle fixing plate, 6, inner support plate, 7, telescopic column, 8, outer support plate, 9, spring, 10, bolt, 11, bolt hole, 12, baffle, 13, threaded hole, 14, threaded column, 15, circular baffle, 16, bearing, 17, rotary column, 18, cone)

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

According to the illustration of FIG. 1: the utility model provides a foundation pit inner supporting structure which comprises the following components: comprises a base 1, a supporting column 2 is fixedly connected on the base 1, a connecting frame 3 is sleeved outside the supporting column 2, the periphery of the connecting frame 3 is respectively connected with a connecting column 4, a triangular fixing plate 5 is connected between the connecting column 4 and the connecting frame 3, one end of the connecting column 4 is connected with an inner supporting plate 6, one side of the inner supporting plate 6 is provided with a plurality of telescopic columns 7, the telescopic column 7 is connected with an outer support plate 8, the outer side of the telescopic column 7 is sleeved with a spring 9, a plurality of bolts 10 are arranged around the connecting frame 3, a plurality of bolt holes 11 are arranged around the supporting column 2, a baffle plate 12 is arranged above the supporting column 2, the base 1 is provided with a plurality of through threaded holes 13, threaded columns 14 are arranged in the threaded holes 13, a circular baffle 15 is fixed to the top end of the threaded column 14, a bearing 16 is arranged on one side above the circular baffle 15, and the bearing 16 is connected with a rotating column 17. The inner support plate 6 is connected with the outer support plate 8 through a spring 9. And threads matched with the bolt 10 are arranged in the bolt hole 11. A gap is arranged between the connecting frame 3 and the supporting column 2. The threaded column 14 penetrates through the threaded hole 13 and is matched with the threaded hole 13. The bolt 10 penetrates through the connecting frame 3 and is fixed in the bolt hole 11. The bottom end of the threaded post 14 is provided with a cone 18.

Principle of the utility model

The utility model is put into a foundation pit, the utility model is fixed at the bottom of the foundation pit through a base 1 at the bottom, a rotating column 17 is manually rotated to rotate in a bearing 16 and drive a circular baffle 15 to rotate, the circular baffle 15 drives a threaded column 14 to rotate in a threaded hole 13 and move downwards until a cone 18 at the bottom of the threaded column 14 is inserted into the bottom of the foundation pit to finish the fixation of the bottom, a connecting frame 3 can move up and down on a supporting column 2 through a bolt 10 and a bolt hole 11, a triangular fixing plate 5 above and below a peripheral connecting column 4 plays a role in reinforcement, when the utility model is put into the foundation pit, the foundation pit extrudes an outer supporting plate 8 to compress a telescopic column 7, a spring 9 provides thrust for an inner supporting plate 6 and the outer supporting plate 8 to enable the outer supporting plate 8 to be tightly attached to the inner wall of the foundation pit, and a baffle 12 at the top of the supporting column 2 prevents soil from falling into a gap between the connecting frame 3 and the supporting column 2.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides a bearing structure in foundation ditch which characterized in that: comprises a base (1), a support column (2) is fixedly connected to the base (1), a connecting frame (3) is sleeved on the outer side of the support column (2), connecting columns (4) are respectively connected to the periphery of the connecting frame (3), a triangular fixing plate (5) is connected between the connecting columns (4) and the connecting frame (3), an inner support plate (6) is connected to one end of each connecting column (4), a plurality of telescopic columns (7) are arranged on one side of the inner support plate (6), the telescopic columns (7) are connected with an outer support plate (8), springs (9) are sleeved on the outer sides of the telescopic columns (7), a plurality of bolts (10) are arranged on the periphery of the connecting frame (3), a plurality of bolt holes (11) are arranged on the periphery of the support column (2), a baffle plate (12) is arranged above the support column (2), and a plurality of threaded holes (13) which are communicated with each other are arranged on the base (1), the novel rotary screw is characterized in that a threaded column (14) is arranged in the threaded hole (13), a circular baffle (15) is fixed at the top end of the threaded column (14), a bearing (16) is arranged on one side above the circular baffle (15), and the bearing (16) is connected with a rotary column (17).

2. An excavation internal support structure as defined in claim 1, wherein: the inner supporting plate (6) is connected with the outer supporting plate (8) through a spring (9).

3. An excavation internal support structure as defined in claim 1, wherein: and threads matched with the bolts (10) are arranged in the bolt holes (11).

4. An excavation internal support structure as defined in claim 1, wherein: a gap is arranged between the connecting frame (3) and the supporting column (2).

5. An excavation internal support structure as defined in claim 1, wherein: the threaded column (14) penetrates through the threaded hole (13) and is matched with the threaded hole (13).

6. An excavation internal support structure as defined in claim 1, wherein: the bolt (10) penetrates through the connecting frame (3) and is fixed in the bolt hole (11).

7. An excavation internal support structure as defined in claim 1, wherein: the bottom end of the threaded column (14) is provided with a cone (18).