CN219343213U

CN219343213U - Pile anchor supporting type operation subway deep foundation pit engineering supporting structure

Info

Publication number: CN219343213U
Application number: CN202223222630.2U
Authority: CN
Inventors: 王凤存; 李士江; 乐艺; 速宇; 杨世强; 阙巧芸; 吴祖建; 田民鏐; 林惠婷
Original assignee: Cccc Xiamen Investment Co ltd
Current assignee: Cccc Xiamen Investment Co ltd
Priority date: 2022-12-01
Filing date: 2022-12-01
Publication date: 2023-07-14
Anticipated expiration: 2032-12-01

Abstract

The utility model discloses a pile anchor supporting type operation subway deep foundation pit engineering supporting structure which comprises a foundation pit main body, wherein a reinforcing top plate is arranged at the top end of the foundation pit main body, supporting pile posts are fixedly arranged at the bottom end of the reinforcing top plate at equal intervals, reinforcing bolts are movably connected to the inside of the reinforcing top plate, spiral drill rods are movably connected to the bottom ends of the supporting pile posts, reinforcing anchor rods are movably connected to one side of the supporting pile posts, a fixed slide way is fixedly connected to the front end of the supporting pile posts, and an adjusting slide block is arranged outside the fixed slide way. This stake anchor support type operation subway deep basal pit engineering supporting construction can avoid supporting pile post support in-process compressive deformation through first bracing piece and second bracing piece, and the reinforcing bottom plate can improve the stability of supporting pile post installation, and this structure has strengthened the stability of supporting pile post support, reduces the condition emergence of deformation, has solved the problem of supporting pile yielding.

Description

Pile anchor supporting type operation subway deep foundation pit engineering supporting structure

Technical Field

The utility model relates to the technical field of foundation pit support, in particular to a pile anchor support type operation subway deep foundation pit engineering support structure.

Background

The subway is a common transportation tool in cities, the subway is basically arranged inside an underground tunnel, a foundation pit is required to be dug when the subway is built, and a foundation pit supporting structure is required to be used as a safety aid.

Through retrieving, according to the foundation ditch supporting construction of an engineering that application number CN202020693984.7 discloses, "mention herein the side surface mounting of foundation ditch has the guard plate, the mounting hole has been seted up to guard plate side surface, mounting hole one side runs through and installs first inserted bar, alignment spare is installed to the one end of first inserted bar, the through-hole has been seted up on the first inserted bar, install the second inserted bar on the through-hole along vertical direction, the regulating part" is installed to the top of guard plate side surface, and the foundation ditch strutting arrangement of design in the above-mentioned application can't dig under following the foundation ditch and adjust when using, and strutting arrangement is used for the fender pile compression that supports to have the condition of deformation to lead to the stability of support to worsen, to above problem, intensive research and optimized overall structure, through designing the cross bracing piece, improved the fastness that the fender pile supported, strengthened the stability of foundation ditch strut.

What is needed is a pile anchor support type operation subway deep foundation pit engineering support structure which solves the technical defects in the technology.

Disclosure of Invention

The utility model aims to provide a pile anchor supporting type operation subway deep foundation pit engineering supporting structure, which aims to solve the problem that supporting piles are easy to deform in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a stake anchor support type operation subway deep basal pit engineering supporting construction, includes the foundation ditch main part, the top of foundation ditch main part is installed and is strengthened the roof, the equidistant fixed mounting in bottom of strengthening the roof has a support stake post, the inside swing joint of strengthening the roof has a reinforcing bolt, the inside swing joint of support stake post has the auger stem, one side swing joint of support stake post has a reinforcing anchor rod, the front end fixedly connected with fixed slide way of support stake post, the outside of fixed slide way is provided with adjusting slide, one side swing joint of adjusting slide has the connecting rod, the bottom swing joint of connecting rod has the backup pad, fixedly connected with first bracing piece between the support stake post, fixedly connected with second bracing piece between the support stake post, the externally mounted of support stake post has the reinforcing bottom plate.

Preferably, the first support rod and the second support rod are in an X shape in a cross connection mode, and a connecting screw rod is fixedly connected between the first support rod and the second support rod.

Preferably, one side of the reinforcing bottom plate is fixedly connected with one side of the foundation pit main body, a limiting hole is formed in the reinforcing bottom plate, and the supporting pile is embedded in the limiting hole.

Preferably, the adjusting slide block is sleeved outside the fixed slide way and is in sliding connection, a positioning bolt is movably connected inside the adjusting slide block, and one end of the positioning bolt is embedded inside the fixed slide way.

Preferably, the bottom fixedly connected with of backup pad consolidates the inserted bar in five groups, consolidate the inserted bar and be equidistant distribution in the bottom of backup pad.

Preferably, the outside of strengthening the stock is provided with the reinforcement barb, the inside at the foundation ditch main part is inlayed to the reinforcement stock.

Compared with the prior art, the utility model has the beneficial effects that: the pile anchor supporting type operation subway deep foundation pit engineering supporting structure not only realizes the stability of supporting piles, realizes the function of firm installation, but also realizes the following reinforcement function;

(1) The first support rod, the second support rod, the reinforcing bottom plate and the connecting screw are arranged, the first support rod and the second support rod are crossly supported between the two groups of supporting pile columns, the first support rod and the second support rod can avoid compression deformation in the supporting process of the supporting pile columns, the reinforcing bottom plate can improve the stability of the installation of the supporting pile columns, the structure enhances the stability of the supporting pile columns, and deformation is reduced;

(2) Through being provided with reinforcing roof, auger stem, reinforcing stock and reinforcement barb, reinforcing roof builds at the top of foundation ditch main part and passes through reinforcing bolt to be fixed, reinforcing roof and support stake can improve the supporting stability of foundation ditch main part limit, and the auger stem of support stake bottom can rotate and insert in the ground to improve the stability that supports stake post and support, then reuse reinforcing stock inserts in the soil on the limit of the hole, reinforcing barb outside the reinforcing stock can improve the fastness of grabbing the ground, and this structure has realized the function of reinforcing installation fastness;

(3) Through being provided with fixed slide, adjusting slide, bracing piece, backup pad, positioning bolt and consolidate the inserted bar, the in-process of digging under the foundation ditch, the backup pad can follow down and move, need unscrew positioning bolt earlier when moving down, then remove adjusting slide, the backup pad of adjusting slide bottom moves subaerial down, then can insert the inside of ground with the consolidate inserted bar of backup pad bottom, and this structure has realized following the function of consolidate.

Drawings

FIG. 1 is a schematic cross-sectional elevation view of the present utility model;

FIG. 2 is a schematic side sectional view of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

fig. 4 is a schematic cross-sectional elevation view of the support plate of the present utility model.

In the figure: 1. a foundation pit main body; 2. reinforcing bolts; 3. reinforcing the top plate; 4. supporting the pile; 5. fixing the slideway; 6. an adjusting slide block; 7. a connecting rod; 8. reinforcing the bottom plate; 9. a auger stem; 10. a support plate; 11. a first support bar; 12. a second support bar; 13. a connecting screw; 14. reinforcing an anchor rod; 15. reinforcing barbs; 16. positioning bolts; 17. the insert rod is reinforced.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1: referring to fig. 1-4, a pile anchor supporting type operation subway deep foundation pit engineering supporting structure comprises a foundation pit main body 1, wherein a reinforcing top plate 3 is installed at the top end of the foundation pit main body 1, supporting pile columns 4 are fixedly installed at the bottom end of the reinforcing top plate 3 at equal intervals, reinforcing bolts 2 are movably connected inside the reinforcing top plate 3, spiral drill rods 9 are movably connected inside the supporting pile columns 4, reinforcing anchor rods 14 are movably connected to one side of the supporting pile columns 4, a fixed slide way 5 is fixedly connected to the front end of the supporting pile columns 4, an adjusting slide block 6 is arranged outside the fixed slide way 5, a connecting rod 7 is movably hinged to one side of the adjusting slide block 6, supporting plates 10 are movably hinged to the bottom ends of the connecting rods 7, a first supporting rod 11 is fixedly connected between the supporting pile columns 4, a second supporting rod 12 is fixedly connected between the supporting pile columns 4, and a reinforcing bottom plate 8 is installed outside the supporting pile columns 4;

the first support rod 11 and the second support rod 12 are in an X shape in a cross connection mode, a connecting screw 13 is fixedly connected between the first support rod 11 and the second support rod 12, one side of the reinforcing bottom plate 8 is fixedly connected with one side of the foundation pit main body 1, a limiting hole is formed in the reinforcing bottom plate 8, and the supporting pile column 4 is embedded in the limiting hole;

specifically, as shown in fig. 1 and 2, the first support rod 11 and the second support rod 12 can avoid the compression deformation in the supporting process of the supporting pile 4, the first support rod 11 and the second support rod 12 form a crisscross structure to improve the supporting strength, and the reinforcing bottom plate 8 can improve the mounting stability of the supporting pile 4.

Example 2: the outside of the reinforcing anchor rod 14 is provided with a reinforcing barb 15, and the reinforcing anchor rod 14 is embedded in the foundation pit main body 1;

specifically, as shown in fig. 1 and 3, the auger stem 9 at the bottom of the support pile 4 can be rotatably inserted into the ground, thereby improving the stability of the support pile 4, and then the reinforcing anchor rod 14 is inserted into the soil at the pit edge, and the reinforcing barbs 15 at the outside of the reinforcing anchor rod 14 can improve the firmness of the ground.

Example 3: the adjusting slide block 6 is sleeved outside the fixed slide way 5 and is in sliding connection, a positioning bolt 16 is movably connected inside the adjusting slide block 6, one end of the positioning bolt 16 is embedded inside the fixed slide way 5, five groups of reinforcing inserted bars 17 are fixedly connected to the bottom end of the supporting plate 10, and the reinforcing inserted bars 17 are distributed at equal intervals at the bottom end of the supporting plate 10;

specifically, as shown in fig. 1 and 4, the supporting plate 10 at the bottom of the adjusting slider 6 moves down to the ground, then the reinforcing insert rod 17 at the bottom of the supporting plate 10 can be inserted into the ground, and the supporting plate 10 can move down to realize the following reinforcement function in the process of digging down the foundation pit.

Working principle: when the foundation pit supporting device is used, the supporting pile posts 4 with corresponding sizes are required to be installed according to the depth of the foundation pit main body 1, the reinforced top plate 3 at the top of the supporting pile posts 4 is placed at the top of the foundation pit main body 1, the reinforced bolts 2 in the reinforced top plate 3 can improve the installation firmness, the spiral drill rods 9 at the bottoms of the supporting pile posts 4 can be rotatably inserted into the ground, so that the stability of the supporting pile posts 4 is improved, then the reinforced anchor rods 14 are used and inserted into the soil at the pit edge, the reinforced barbs 15 at the outer parts of the reinforced anchor rods 14 can improve the ground grabbing firmness, the supporting plates 10 can follow the downward movement in the foundation pit digging process, the positioning bolts 16 are required to be unscrewed firstly when the supporting plates 10 move downwards, then the adjusting slide blocks 6 are moved downwards to the ground, the first supporting rods 11 and the second supporting rods 12 are supported between the two groups of the supporting pile posts 4 in a crossed manner, and the first supporting rods 11 and the second supporting rods 12 can avoid the compression deformation in the supporting process of the supporting pile posts 4, so that the stability of the foundation pit supporting is improved.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Pile anchor support type operation subway deep basal pit engineering supporting construction, including foundation ditch main part (1), its characterized in that: the reinforced pile is characterized in that a reinforced top plate (3) is arranged at the top end of the foundation pit main body (1), supporting piles (4) are fixedly arranged at the bottom end of the reinforced top plate (3) at equal intervals, reinforcing bolts (2) are movably connected to the inside of the reinforced top plate (3), spiral drill rods (9) are movably connected to the inside of the supporting piles (4), reinforcing anchor rods (14) are movably connected to one side of the supporting piles (4), a fixed slide way (5) is fixedly connected to the front end of the supporting piles (4), an adjusting slide block (6) is arranged on the outer portion of the fixed slide way (5), a connecting rod (7) is movably hinged to one side of the adjusting slide block (6), a supporting plate (10) is movably hinged to the bottom end of the connecting rod (7), a first supporting rod (11) is fixedly connected to the supporting piles (4), a second supporting rod (12) is fixedly connected to the inside of the supporting piles (4), and a reinforced bottom plate (8) is arranged on the outer portion of the supporting piles (4).

2. A pile anchor support type operation subway deep foundation pit engineering supporting structure according to claim 1, wherein: the first support rod (11) and the second support rod (12) are in an X shape in a cross connection mode, and a connecting screw rod (13) is fixedly connected between the first support rod (11) and the second support rod (12).

3. A pile anchor support type operation subway deep foundation pit engineering supporting structure according to claim 1, wherein: one side of strengthening bottom plate (8) and one side fixed connection of foundation ditch main part (1), the inside of strengthening bottom plate (8) is provided with spacing hole, support stake (4) inlay in the inside of spacing hole.

4. A pile anchor support type operation subway deep foundation pit engineering supporting structure according to claim 1, wherein: the adjusting slide block (6) is sleeved outside the fixed slide way (5) and is in sliding connection, a positioning bolt (16) is movably connected inside the adjusting slide block (6), and one end of the positioning bolt (16) is embedded inside the fixed slide way (5).

5. A pile anchor support type operation subway deep foundation pit engineering supporting structure according to claim 1, wherein: five groups of reinforcing inserted bars (17) are fixedly connected to the bottom end of the supporting plate (10), and the reinforcing inserted bars (17) are distributed at equal intervals at the bottom end of the supporting plate (10).

6. A pile anchor support type operation subway deep foundation pit engineering supporting structure according to claim 1, wherein: the outside of strengthening stock (14) is provided with consolidates barb (15), consolidate stock (14) inlay in the inside of foundation ditch main part (1).