CN218540714U

CN218540714U - Foundation pit supporting structure of underground structure

Info

Publication number: CN218540714U
Application number: CN202222596080.4U
Authority: CN
Inventors: 陈泽杰; 涂俊彪; 李子豪; 谢接旅
Original assignee: Guangzhou Dongjian Engineering Construction Supervision Co ltd
Current assignee: Guangzhou Dongjian Engineering Construction Supervision Co ltd
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2023-02-28
Anticipated expiration: 2032-09-29

Abstract

The utility model discloses a foundation ditch supporting construction of underground structures involves building engineering's technical field, including the foundation pile body. The utility model discloses a strengthening unit that sets up, the adapter sleeve, the arc pole, the extrusion head, the sliding sleeve, extension cover and fixed cover, make the foundation pile body still be convenient for retrieve when being convenient for insert the soil, when needing to retrieve, can be with strengthening the inside of the whole foundation pile body of retrieving of unit and arc pole, make the foundation pile body become into conical cylinder completely, it is more convenient to retrieve, and strengthen unit and arc pole and all contradict with the notch adaptation, the shape of arc pole also can with the angle looks adaptation when outwards extending, it is more convenient to insert earth, arc flat board through setting up, riser and arc riser, the arc flat board can prevent that the foundation pile body from reciprocating, the riser can prevent foundation pile body rotary motion, it is better with the fixed effect on ground, make the foundation pile body more stable when using.

Description

Foundation pit supporting structure of underground structure

Technical Field

The utility model relates to a building engineering's technical field, in particular to underground structures's excavation supporting construction.

Background

The foundation pit support is a retaining, reinforcing and protecting measure adopted for the side wall of the foundation pit and the surrounding environment in order to ensure the safety of the construction of an underground structure and the surrounding environment of the foundation pit. In the prior art, a foundation pit is usually supported by using support modes such as row pile support, underground continuous wall support, cement retaining wall support and the like.

When the row piles are used for supporting, the row piles need to be driven into soil, some foundation pit supporting piles in the prior art are convenient to drive but inconvenient to take out, some foundation pit supporting piles are convenient to drive but inconvenient to take out, and the foundation pit supporting piles which are convenient to drive and take out are usually steel pipes, so that the supporting effect is influenced due to the fact that the supporting capacity is weak, the stability of a foundation pit is guided, and the foundation pit supporting piles are inconvenient to recover, and therefore the foundation pit supporting structure of an underground structure is provided.

Disclosure of Invention

An object of the present application is to provide a foundation pit supporting structure for an underground structure, which can effectively solve the problems proposed in the background art.

In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides an underground structures's underground structure, includes the foundation pile body, the spacing dish of inside fixedly connected with and the fixed cover of foundation pile body, the both sides of fixed cover all are provided with two telescopic links of buckling, two the one end of buckling the telescopic link all is provided with the enhancement unit that is used for pegging graft with earth, threaded connection has the screw rod on the spacing dish, the one end of screw rod is rotated and is connected with the straight-bar, the straight-bar passes fixed cover is located the inside of foundation pile body, fixed the cup joint has the adapter sleeve on the straight-bar, rotate on the adapter sleeve and be connected with the arc pole, fixed the cup joint has the extrusion head on the lateral wall of straight-bar, the top fixedly connected with extension cover of extrusion head, the slip of extension cover is cup jointed on the fixed cover, the extrusion head with the both sides of extension cover have all seted up the spout, the extrusion head with in the extension cover the spout is linked together, the telescopic link of buckling is located in the spout, the extrusion is overhead be provided with in the spout and be used for contradicting the sliding sleeve of the telescopic link of buckling.

Preferably, the reinforcing unit comprises an arc-shaped vertical plate, a top wall of one side of the arc-shaped vertical plate is fixedly connected with an arc-shaped flat plate, the bottom of the arc-shaped flat plate is fixedly connected with a vertical plate, and the side wall of the vertical plate is fixedly connected with the arc-shaped vertical plate.

Preferably, a bearing is fixedly connected to the joint of the straight rod and the screw, and the straight rod is rotatably connected with the screw through the bearing.

Preferably, both ends of the bending telescopic rod are fixedly connected with movable shafts, and the bending telescopic rod is rotatably connected with the fixed sleeve and the arc-shaped vertical plate through the movable shafts.

Preferably, the side wall top fixed connection of fixed cover has the connecting rod, the connecting rod with the inner wall fixed connection of foundation pile body.

Preferably, the foundation pile body is provided with a notch matched with the reinforcing unit and the arc-shaped rod.

To sum up, the utility model discloses a technological effect and advantage:

1. the utility model discloses it is rational in infrastructure, through the enhancement unit that sets up, the adapter sleeve, the arc pole, the extrusion head, the sliding sleeve, extension cover and fixed cover, make the foundation pile body still be convenient for retrieve when being convenient for insert in the soil, when needing to retrieve, can retrieve the inside of foundation pile body with enhancement unit and arc pole are whole, make the foundation pile body become into conical cylinder completely, it is more convenient to retrieve, and enhancement unit and arc pole all conflict with the notch adaptation, the shape of arc pole also can with the angle looks adaptation when outwards extending, it is more convenient to insert earth;

2. the utility model discloses in, through arc flat board, riser and the arc riser that sets up, the arc is dull and stereotyped can prevent that the foundation pile body from reciprocating, and the riser can prevent foundation pile body swivelling movement, and is better with the fixed effect on ground, makes the foundation pile body more stable when using.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a partially cut-away schematic view of the three-dimensional structure of the present invention;

fig. 3 is a schematic view of a three-dimensional enlarged structure of the present invention in which the reinforcing unit is engaged with the straight rod;

fig. 4 is a schematic view of a partial three-dimensional enlarged structure of the middle extrusion head of the present invention.

In the figure: 1. a foundation pile body; 2. a screw; 3. a straight rod; 4. a limiting disc; 5. connecting sleeves; 6. an arcuate bar; 7. a reinforcement unit; 8. an arc-shaped flat plate; 9. a vertical plate; 10. an arc-shaped vertical plate; 11. bending the telescopic rod; 12. an extrusion head; 13. a sliding sleeve; 14. a lengthening sleeve; 15. a chute; 16. a fixing sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b): referring to fig. 1-4, a foundation pit supporting structure of an underground structure comprises a foundation pile body 1, the foundation pile body 1 is an existing conical column, a limiting disc 4 and a fixing sleeve 16 are fixedly connected to the inside of the foundation pile body 1, two bending telescopic rods 11 are arranged on two sides of the fixing sleeve 16, a reinforcing unit 7 for being inserted into soil is arranged at one end of each bending telescopic rod 11, a screw 2 is connected to the limiting disc 4 in a threaded manner, a straight rod 3 is rotatably connected to one end of the screw 2, a bearing is fixedly connected to the joint of the straight rod 3 and the screw 2, the straight rod 3 is rotatably connected to the screw 2 through the bearing, the straight rod 3 penetrates through the fixing sleeve 16 and is positioned inside the foundation pile body 1, a connecting sleeve 5 is fixedly connected to the straight rod 3, an arc rod 6 is rotatably connected to the connecting sleeve 5, a connecting column of the connecting sleeve 5 and a vertical plate of the arc rod 6 are rotatably connected to the rotating shaft, an extrusion head 12 is fixedly connected to the side wall of the straight rod 3 through the rotating shaft and a flat plate 10, the extrusion head 14 is connected to a vertical plate 10, and a flat plate 10 is connected to the extrusion head 11, and a flat plate 10 is connected to the extrusion head 14, the connecting rod is fixedly connected above the side wall of the fixing sleeve 16, the connecting rod is fixedly connected with the inner wall of the foundation pile body 1, a notch matched with the reinforcing unit 7 and the arc-shaped rod 6 is formed in the foundation pile body 1, when the foundation pile is used, the foundation pile body 1 is driven into the wall of a foundation pit, in the driving process, the reinforcing unit 7 and the arc-shaped rod 6 can just enter the notch, the notch is prevented from entering soil, then the screw rod 2 is rotated, the screw rod 2 can rotate on the limiting disc 4, then the screw rod 2 can move upwards, so that the straight rod 3 is driven to be pulled upwards, the provided bearing and the collision between the arc-shaped rod 6 and the inner wall of the notch can prevent the straight rod 3 from rotating along with the screw rod 2, then the connecting sleeve 5 is driven to move upwards, the connecting sleeve 5 can drive the arc-shaped rod 6 to move upwards while moving upwards, because the arc-shaped rod 6 is matched with the notch, therefore, the arc-shaped rod can slide outwards along the notch, and then is inserted into the soil, along with the rising of the connecting sleeve 5, more inserts can be inserted, meanwhile, the extrusion head 12 can be driven to move upwards in the rising process of the straight rod 3, the extension sleeve 14 can slide along the fixing sleeve 16, the sliding sleeve 13 on the extrusion head 12 can be driven to abut against the bending telescopic rod 11 positioned in the sliding groove 15, the bending telescopic rod 11 which is subjected to the abutting force can extend outwards from the bending state, so as to drive the arc-shaped flat plate 8 and the vertical plate 9 to move outwards along the notch, after the arc-shaped flat plate 8 and the vertical plate 9 extend out, the arc-shaped vertical plate 10 can be attached to the inner wall of the foundation pile body 1, the extrusion head 12 can also be inserted between the two arc-shaped vertical plates 10 to abut against the two arc-shaped vertical plates 10, so that the two arc-shaped vertical plates 10 have larger outward force, so as to be inserted into the soil to complete the supporting of the foundation pit, when the foundation pit needs to be disassembled, the screw rod 2 can be reversed in the same principle, the screw rod 2 can drive the straight rod 3 to move downwards, straight-bar 3 can contract arc pole 6 with the same reason when the lapse, extrusion head 12 also can the lapse and separate with two arc risers 10, then extension cover 14 is the lapse on fixed cover 16, extension cover 14 can stimulate when the lapse, buckle telescopic link 11 and buckle downwards, thereby will strengthen the inside that unit 7 retrieved foundation pile body 1, through the enhancement unit 7 that sets up, adapter sleeve 5, arc pole 6, extrusion head 12, sliding sleeve 13, extension cover 14 and fixed cover 16, make foundation pile body 1 still be convenient for retrieve when being convenient for insert the soil, when needing to retrieve, can retrieve the inside of foundation pile body 1 with enhancement unit 7 and arc pole 6 are whole, make foundation pile body 1 become conical cylinder completely, it is more convenient to retrieve, and enhancement unit 7 and arc pole 6 all conflict with notch adaptation, the shape of arc pole 6 also can with the angle looks adaptation when outwards extending, it is more convenient to insert earth, through the dull and stereotyped 8 that sets up, riser 9 and arc riser 10, arc dull and stereotyped 8 can prevent that foundation pile body 1 from moving better, the ground of ground from moving more stably when making ground 1.

This practical theory of operation: when in use, the foundation pile body 1 is driven into the wall of a foundation pit, in the driving process, the reinforcing unit 7 and the arc-shaped rod 6 can be just right at the notch to prevent the notch from entering soil, then the screw rod 2 is rotated, the screw rod 2 can be rotated on the limiting disc 4, then the screw rod 2 can move upwards, so as to drive the straight rod 3 to pull upwards, the arranged bearing and the collision between the arc-shaped rod 6 and the inner wall of the notch can prevent the straight rod 3 from rotating along with the screw rod 2, then the connecting sleeve 5 is driven to move upwards, the connecting sleeve 5 can drive the arc-shaped rod 6 to move upwards while moving upwards, because the arc-shaped rod 6 is matched with the notch, the straight rod can slide outwards along the notch and then is inserted into the soil, more straight rods are inserted along with the rising of the connecting sleeve 5, meanwhile, the extrusion head 12 can be driven to move upwards in the rising process of the straight rod 3, the extension sleeve 14 can slide along with the fixing sleeve 16, the sliding sleeve 13 on the extrusion head 12 is driven to abut against the bending telescopic rod 11 positioned in the sliding groove 15, the bending telescopic rod 11 subjected to the abutting force extends outwards from the bending state, so as to drive the arc-shaped flat plate 8 and the vertical plate 9 to move outwards along the groove opening, after the arc-shaped flat plate 8 and the vertical plate 9 extend out, the arc-shaped vertical plate 10 is attached to the inner wall of the foundation pile body 1, the extrusion head 12 is also inserted between the two arc-shaped vertical plates 10 to abut against the two arc-shaped vertical plates 10, so that the two arc-shaped vertical plates 10 have larger outward force, so as to be inserted into soil to complete the support of the foundation pit, when disassembly is needed, the screw rod 2 can be reversed in the same way, the screw rod 2 can drive the straight rod 3 to move downwards, the straight rod 3 can retract the arc-shaped rod 6 in the same way while moving downwards, the extrusion head 12 can also move downwards to separate from the two arc-shaped vertical plates 10, and then the extension sleeve 14 slides downwards on the fixing sleeve 16, extension cover 14 pulling when can the lapse is buckled telescopic link 11 and is buckled downwards, thereby will strengthen the inside that unit 7 retrieved foundation pile body 1, through the enhancement unit 7 that sets up, adapter sleeve 5, arc pole 6, extrusion head 12, sliding sleeve 13, extension cover 14 and fixed cover 16, make foundation pile body 1 still be convenient for retrieve when being convenient for insert the soil, when needing to retrieve, can retrieve the inside of foundation pile body 1 with enhancement unit 7 and arc pole 6 are whole, make foundation pile body 1 become into conical cylinder completely, it is more convenient to retrieve, and strengthen unit 7 and arc pole 6 and all contradict with the notch adaptation, the shape of arc pole 6 also can with the angle looks adaptation when outwards extending, it is more convenient to insert earth, through the arc flat board 8 that sets up, riser 9 and arc riser 10, arc flat board 8 can prevent that foundation pile body 1 from reciprocating, riser 9 can prevent foundation pile body 1 swivelling movement, it is better with the fixed effect on ground, make foundation pile body 1 more stable when using.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions on some technical features, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a foundation ditch supporting construction of underground structure, includes foundation pile body (1), its characterized in that: the inner part of the foundation pile body (1) is fixedly connected with a limiting disc (4) and a fixed sleeve (16), two sides of the fixed sleeve (16) are respectively provided with two bending telescopic rods (11), one end of each of the two bending telescopic rods (11) is respectively provided with a reinforcing unit (7) which is used for being inserted with soil, a screw rod (2) is connected to the limiting disc (4) in a threaded manner, a straight rod (3) is rotatably connected to one end of the screw rod (2), the straight rod (3) passes through the fixed sleeve (16) and is positioned inside the foundation pile body (1), a connecting sleeve (5) is fixedly sleeved on the straight rod (3), an arc-shaped rod (6) is rotatably connected on the connecting sleeve (5), the side wall of the straight rod (3) is fixedly sleeved with an extrusion head (12), the top of the extrusion head (12) is fixedly connected with an extension sleeve (14), the extension sleeve (14) is sleeved on the fixed sleeve (16) in a sliding way, sliding grooves (15) are respectively arranged on the two sides of the extrusion head (12) and the extension sleeve (14), the extrusion head (12) is communicated with the sliding groove (15) on the extension sleeve (14), the bending telescopic rod (11) is positioned in the sliding groove (15), and a sliding sleeve (13) which is used for abutting against the bending telescopic rod (11) is arranged in the sliding groove (15) on the extrusion head (12).

2. A supporting structure for a foundation pit of an underground structure according to claim 1, wherein: the reinforcing unit (7) comprises an arc-shaped vertical plate (10), one side top wall of the arc-shaped vertical plate (10) is fixedly connected with an arc-shaped flat plate (8), the bottom of the arc-shaped flat plate (8) is fixedly connected with a vertical plate (9), and the side wall of the vertical plate (9) is fixedly connected with the arc-shaped vertical plate (10).

3. A foundation pit supporting structure of an underground structure according to claim 1, wherein: the connecting part of the straight rod (3) and the screw rod (2) is fixedly connected with a bearing, and the straight rod (3) is rotatably connected with the screw rod (2) through the bearing.

4. A supporting structure for a foundation pit of an underground structure according to claim 1 or 2, wherein: the two ends of the bending telescopic rod (11) are fixedly connected with movable shafts, and the bending telescopic rod (11) is rotatably connected with the fixed sleeve (16) and the arc-shaped vertical plate (10) through the movable shafts.

5. A foundation pit supporting structure of an underground structure according to claim 1, wherein: the side wall top fixedly connected with connecting rod of fixed cover (16), the connecting rod with the inner wall fixed connection of foundation pile body (1).

6. A foundation pit supporting structure of an underground structure according to claim 1, wherein: the foundation pile body (1) is provided with a notch matched with the reinforcing unit (7) and the arc-shaped rod (6).