CN211816295U

CN211816295U - Foundation pit supporting structure

Info

Publication number: CN211816295U
Application number: CN202020362639.5U
Authority: CN
Inventors: 王欢
Original assignee: Guangzhou S&y And Civil Engineering Group Co ltd
Current assignee: Guangzhou S&y And Civil Engineering Group Co ltd
Priority date: 2020-03-20
Filing date: 2020-03-20
Publication date: 2020-10-30
Anticipated expiration: 2030-03-20

Abstract

The utility model provides a foundation pit supporting structure, including the protection unit board, the foundation ditch, the bottom plate, the square slab, the spliced pole, first screw thread post and through-hole, the bottom plate is provided with a plurality ofly side by side, the equal fixed mounting of a plurality of bottom plates is in the bottom in the foundation ditch, the bottom plate upper surface all is fixed with the support column, the support column rear surface evenly is fixed with a plurality of second screw thread posts, the foundation ditch inner wall is fixed with a plurality of spliced poles and square slab, be netted arranging between a plurality of spliced poles and the square slab, a plurality of square slab front surface four corners department all fixes welded fastening and has first screw thread post, protection unit board front surface four corners department all processes there is the through-hole, the first screw thread post of same square slab front surface runs through the through-hole that four adjacent protection unit boards are. The utility model discloses a design of combination formula between each protection cell board can support the foundation ditch fast, is convenient for according to the foundation ditch height, and then adjusts, struts effectually.

Description

Foundation pit supporting structure

Technical Field

The utility model relates to an excavation supporting equipment field especially relates to an excavation supporting construction.

Background

With more and more high-rise buildings and larger foundation pit depth, the excavated underground space can be used as a garage, a warehouse, a market, a civil air defense project and the like. After the foundation pit of a building is excavated, a supporting structure needs to be made on the periphery of the foundation pit to prevent local or large-area collapse, the traditional supporting structure is a soil nailing wall structure and has the advantages of low manufacturing cost, quick manufacturing and the like, but the one-layer soil nailing wall structure cannot be guaranteed to prevent local or large-area collapse of the foundation pit under the condition that the existing foundation pit is deep.

The existing foundation pit supporting structure needs to be built through a cast-in-place pile group after the soil nailing wall is built, so that the supporting structure is built slowly after the soil nailing wall is built, and cannot play a role of quick supporting.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem who exists among the background art, the utility model provides a retaining structure for foundation ditch through the design of combination formula between each protection cell board, can support the foundation ditch fast, is convenient for according to the foundation ditch height, and then adjusts, and it is effectual to strut.

(II) technical scheme

The utility model provides a foundation pit supporting structure, including the protection unit board, the foundation ditch, the bottom plate, the square plate, the spliced pole, first screw thread post and through-hole, the bottom plate is provided with a plurality ofly side by side, the equal fixed mounting of a plurality of bottom plates is bottom in the foundation ditch, the bottom plate upper surface all is fixed with the support column, the support column rear surface evenly is fixed with a plurality of second screw thread posts, the foundation ditch inner wall is fixed with a plurality of spliced poles and square plate, be netted arranging between a plurality of spliced poles and the square plate, the equal fixed welded fastening of a plurality of square plate front surface four corners departments has first screw thread post, protection unit board front surface four corners department has all processed the through-hole, the first screw thread post of same square plate front surface runs through the through-hole that four adjacent protection unit boards are close to each other respectively and extends.

Preferably, a locking thread cylinder is connected to the first thread column on the front side of the protection unit plate through threads, and protruding blocks are welded and fixed to the left end and the right end of the locking thread cylinder.

Preferably, the protection unit board front surface all is fixed with the connecting pipe, and the second screw post that is located not co-altitude extends to in the connecting pipe respectively, all has the threaded sleeve through threaded connection on the second screw post, and threaded sleeve rear surface all is fixed with the tight ring in top, and the tight ring in top contacts with the connecting pipe front surface.

Preferably, the bottom plate lower surface all is fixed with two pre-buried bracing pieces symmetrically, and two pre-buried bracing piece lower extremes all extend to the foundation ditch in, and pre-buried bracing piece cross-section is the T type.

Preferably, the lower end of the front surface of the supporting column is fixed with a reinforcing rib, and the lower end of the reinforcing rib is fixed on the upper surface of the bottom plate.

Preferably, the rear end of the bottom plate extends to the lower end of the protection unit plate, and the width of the bottom plate is the same as that of the protection unit plate.

Preferably, the distance between the four first threaded columns on the front surface of the square plate is the same as the distance between the through holes at the corners of the four protection unit plates close to each other.

Compared with the prior art, the above technical scheme of the utility model following profitable technological effect has: through installing the through-hole on protective unit board surface on the first screw thread post of square plate front surface, the dead screw thread section of thick bamboo of rethread lock is locked and is died to support the quick of foundation ditch, improved work efficiency.

Can make the bottom plate fix at the foundation ditch inner wall through pre-buried bracing piece, in second screw thread post extended to the connecting pipe simultaneously, tightly pushed up the connecting pipe through threaded sleeve and top tight ring to push up tightly protecting unit board, and then protect the foundation ditch inner wall.

Drawings

Fig. 1 is the utility model provides a supporting construction's of foundation ditch structure schematic diagram.

Fig. 2 is the utility model provides a side view cross-sectional view of support column among supporting structure of foundation ditch.

Fig. 3 is the utility model provides a three-dimensional structure schematic diagram of square plate among supporting structure of foundation ditch.

Fig. 4 is the utility model provides a front view of protection unit board among supporting structure of foundation ditch.

Reference numerals: 1. a support pillar; 2. a connecting pipe; 3. a protection unit plate; 4. a foundation pit; 5. reinforcing ribs; 6. a base plate; 7. locking the threaded barrel; 8. a first threaded post; 9. a through hole; 10. pre-burying a support rod; 11. a second threaded post; 12. a threaded sleeve; 13. connecting columns; 14. a square plate; 15. and (5) tightly pressing the ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-4, the utility model provides a foundation pit supporting structure, which comprises a protection unit plate 3, a foundation pit 4 and a bottom plate 6, square plate 14, spliced pole 13, first screw thread post 8 and through-hole 9, bottom plate 6 is provided with a plurality ofly side by side, the equal fixed mounting of a plurality of bottom plates 6 bottom in

foundation ditch

4, 6 upper surfaces of bottom plate all are fixed with

support column

1, 1 rear surface of support column evenly is fixed with a plurality of second

screw thread posts

11, 4 inner wall in foundation ditch are fixed with a plurality of spliced poles 13 and square plate 14, be netted arranging between a plurality of spliced poles 13 and the

square plate

14, 14 front surface four corners departments of a plurality of square plates all fix welded fastening have first

screw thread post

8, 3 front surface four corners departments of protection unit board have all processed through-hole 9, 14 front surface's of same square plate first screw thread post 8 runs through the through-hole 9 that adjacent four protection unit boards 3 are close to each other respectively and extends to 3 front sides of protection unit board.

The utility model discloses in, fix the network structure who makes up into with spliced pole 13 earlier at the 4 inner walls of foundation ditch that need be strutted in foundation ditch 4, then install the through-hole 9 on 3 surfaces of protection unit board on the first screw post 8 of 14 front surfaces of square board, the dead screw thread section of thick bamboo 7 of rethread lock is locked, thereby support the quick of foundation ditch, the work efficiency is improved, then fix bottom plate 6 at the inside lower surface of foundation ditch 4, pre-buried bracing piece 10 can make bottom plate 6 fix increase joint strength in 4 bottom surfaces of foundation ditch, second screw post 11 extends to in connecting pipe 2 respectively simultaneously, rotate threaded sleeve 12 again, threaded sleeve 12 drives tight ring 15 of top and moves back and makes tight ring 15 of top to propping up connecting pipe 2 tightly, thereby carry out the tight top to protection unit board 3, and then protect the inner wall of foundation ditch.

In an optional embodiment, the first threaded columns 8 located on the front side of the protection unit plate 3 are respectively in threaded connection with a locking threaded cylinder 7, and the left end and the right end of the locking threaded cylinder 7 are respectively fixedly welded with a lug.

It should be noted that the four corners of the protection unit plate 3 are locked by the locking thread cylinder 7 and the first thread column 8, and the locking thread cylinder 7 is rotated conveniently by the projection.

In an alternative embodiment, the connecting pipes 2 are fixed on the front surfaces of the protection unit plates 3, the second threaded columns 11 located at different heights extend into the connecting pipes 2 respectively, the threaded sleeves 12 are connected to the second threaded columns 11 through threads, the tightening rings 15 are fixed on the rear surfaces of the threaded sleeves 12, and the tightening rings 15 are in contact with the front surfaces of the connecting pipes 2.

It should be noted that, the threaded sleeve 12 is rotated to drive the tightening ring 15 to rotate, and the connecting pipe 2 is tightened, so as to tighten the protection unit plate 3.

In an optional embodiment, two embedded support rods 10 are symmetrically fixed on the lower surface of the bottom plate 6, the lower ends of the two embedded support rods 10 extend into the foundation pit 4, and the cross section of each embedded support rod 10 is T-shaped.

It should be noted that, the support rod 10 is embedded in the foundation pit 4, so that the support stability of the bottom plate 6 can be improved, and the bottom plate 6 is prevented from moving.

In an alternative embodiment, the lower ends of the front surfaces of the supporting columns 1 are fixed with reinforcing ribs 5, and the lower ends of the reinforcing ribs 5 are fixed on the upper surface of the bottom plate 6.

It should be noted that, the reinforcing rib 5 can increase the supporting effect of the supporting column 1, and avoid the supporting column 1 from being stressed and bent.

In an alternative embodiment, the rear end of the bottom plate 6 extends to the lower end of the shield unit plate 3, and the width of the bottom plate 6 is the same as that of the shield unit plate 3.

The bottom plate 6 is supported at the rear end thereof to the lowermost shield unit plate 3.

In an alternative embodiment, the distance between the four first threaded columns 8 on the front surface of the square plate 14 is the same as the distance between the through holes 9 at the corners of the four shielding element plates 3 close to each other.

It should be noted that the first threaded column 8 is matched with the protection unit plate 3, so as to facilitate the installation and fixation of the protection unit plate 3.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The utility model provides a foundation pit supporting structure, including protection unit board (3), foundation pit (4), bottom plate (6), square plate (14), spliced pole (13), first screw thread post (8) and through-hole (9), a serial communication port, bottom plate (6) are provided with a plurality ofly side by side, the equal fixed mounting in foundation pit (4) bottom in a plurality of bottom plates (6), bottom plate (6) upper surface all is fixed with support column (1), support column (1) rear surface evenly is fixed with a plurality of second screw thread posts (11), foundation pit (4) inner wall is fixed with a plurality of spliced poles (13) and square plate (14), be netted arranging between a plurality of spliced poles (13) and square plate (14), a plurality of square plate (14) front surface four corners department all welded fastening have first screw thread post (8), protection unit board (3) front surface four corners department all processes has through-hole (9), first screw thread post (8) of same square plate (14) front surface run through the through-through that adjacent four protection unit boards (3) are close to each other respectively The hole (9) extends to the front side of the protection unit plate (3).

2. The foundation pit supporting structure according to claim 1, wherein the first threaded columns (8) located on the front sides of the protection unit plates (3) are respectively in threaded connection with a locking threaded cylinder (7), and the left end and the right end of each locking threaded cylinder (7) are respectively fixedly welded with a lug.

3. The foundation pit supporting structure according to claim 1, wherein the connecting pipes (2) are fixed on the front surfaces of the protection unit plates (3), the second threaded columns (11) located at different heights respectively extend into the connecting pipes (2), the threaded sleeves (12) are connected to the second threaded columns (11) through threads, the tightening rings (15) are fixed on the rear surfaces of the threaded sleeves (12), and the tightening rings (15) are in contact with the front surfaces of the connecting pipes (2).

4. The foundation pit supporting structure according to claim 1, wherein two embedded supporting rods (10) are symmetrically fixed on the lower surface of the bottom plate (6), the lower ends of the two embedded supporting rods (10) extend into the foundation pit (4), and the cross section of each embedded supporting rod (10) is T-shaped.

5. A foundation pit supporting structure according to claim 1, wherein the lower ends of the front surfaces of the supporting columns (1) are fixed with reinforcing ribs (5), and the lower ends of the reinforcing ribs (5) are fixed on the upper surface of the bottom plate (6).

6. A foundation pit supporting construction according to claim 1, characterized in that the rear end of the bottom plate (6) extends to the lower end of the shield unit plate (3), and the width of the bottom plate (6) is the same as that of the shield unit plate (3).

7. A foundation pit supporting construction according to claim 1, wherein the distance between the four first threaded columns (8) on the front surface of the square plate (14) is the same as the distance between the through holes (9) on the corners of the four guard cell plates (3) adjacent to each other.