CN221030193U - Deep foundation pit excavation supporting structure - Google Patents

Abstract

The utility model belongs to the technical field of deep foundation pit support, in particular to a deep foundation pit excavation support structure, which comprises a mounting seat, wherein a supporting plate is hinged on the mounting seat, a lower supporting rod is hinged on the mounting seat through a lower shaft rod, an upper supporting rod is hinged on the lower supporting rod, the upper supporting rod is hinged with the supporting plate, a cylinder body is hinged on the lower shaft rod, a threaded rod is connected inside the cylinder body in a sliding manner, the threaded rod is hinged with the upper supporting rod through the upper shaft rod, a nut sleeve is rotationally connected on the cylinder body, a connector is fixed on the mounting seat, and a connecting hole is formed in the mounting seat.

Description

Deep foundation pit excavation supporting structure

Technical Field

The utility model belongs to the technical field of deep foundation pit support, and particularly relates to a deep foundation pit excavation support structure.

Background

The foundation pit is a soil pit excavated at a foundation design position according to the elevation of a substrate and the plane size of the foundation, and the foundation pit supporting structure is a facility for supporting, reinforcing and protecting the side wall of the foundation pit and the surrounding environment in order to ensure the safety of the underground structure construction and the surrounding environment of the foundation pit;

The supporting structure in the related art generally includes a supporting plate horizontally provided with a mounting plate and vertically provided at an upper end of the mounting plate; when the foundation pit is required to be reinforced, the mounting plate is generally connected with the bottom wall of the foundation pit, and then the supporting plate is connected with the side wall of the foundation pit, so that the foundation pit is supported;

However, the fixed angles between the mounting plate and the supporting plate are different because the side walls of some deep foundation pits are not perpendicular to the bottom wall of the foundation pit, but the existing mounting plate and the supporting plate are fixed through diagonal braces, so that the angle between the mounting plate and the supporting plate cannot be flexibly adjusted; and if the degree of depth of foundation ditch is darker, constructor need to fold a plurality of supporting construction earlier and pile up the connection, and then be connected a plurality of backup pads with the lateral wall of foundation ditch respectively, just can realize the reinforcement ability to the foundation ditch lateral wall, also have the flexibility inadequately, the lower problem of practicality

In order to solve the problems, the application provides a deep foundation pit excavation supporting structure.

Disclosure of utility model

In order to solve the problems in the prior art, the utility model provides a deep foundation pit excavation supporting structure, which has the characteristics that the angle of a supporting plate is adjusted to be matched with the side wall of a foundation pit, and an extension plate is additionally arranged to be matched with the depth of the foundation pit.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a deep basal pit excavates supporting construction, includes the mount pad, it has the backup pad to articulate on the mount pad, it has the lower bracing piece to articulate through lower axostylus axostyle on the mount pad, it has the bracing piece to articulate on the lower bracing piece, and goes up bracing piece and backup pad looks articulated, it has the barrel to articulate on the axostylus axostyle down, inside sliding connection on the barrel has the threaded rod, the threaded rod articulates with last bracing piece through last axostylus axostyle mutually, rotate on the barrel and be connected with the nut cover.

As a preferable technical scheme of the deep foundation pit excavation supporting structure, a connector is fixed on the mounting seat, and a connecting hole is formed in the mounting seat.

As a preferable technical scheme of the deep foundation pit excavation supporting structure, the inside of the connecting hole is provided with the mounting hole.

As an optimal technical scheme of the deep foundation pit excavation supporting structure, bolts are hinged to two sides of a supporting plate, nut heads are arranged on the bolts in a threaded mode, an extending plate is arranged on the supporting plate, and grooves are formed in two sides of the extending plate.

As a preferable technical scheme of the deep foundation pit excavation supporting structure, the bottom of the extension plate is fixed with the positioning head, and the top of the support plate is provided with the positioning hole.

As a preferable technical scheme of the deep foundation pit excavation supporting structure, a key bar is fixed in the barrel, and a key groove is formed in the threaded bar.

Compared with the prior art, the utility model has the beneficial effects that: the threaded rod is driven to slide along the inside of the cylinder body through the rotating nut sleeve, and meanwhile, the threaded rod drives the supporting plate on the upper supporting rod to turn over under the cooperation of the lower supporting rod through the upper shaft rod, so that the supporting plate can turn over to be placed at an angle matched with the side wall of the foundation pit for supporting;

The extension board inserts the locating hole through the locating head and can install the location with the backup pad, and rethread upwards overturns the inside of bolt to recess, and rotatory screw up the nut head, and then it is fixed with the backup pad to extend the board, makes it can carry out the adaptation to the dark foundation ditch and use.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of a three-dimensional assembly structure of the present utility model;

FIG. 3 is a schematic cross-sectional view of a diagonal brace according to the present utility model;

FIG. 4 is a schematic view of the structure of the part A in FIG. 1 according to the present utility model;

In the figure: 1. a mounting base; 2. a support plate; 3. a lower shaft lever; 4. a lower support rod; 5. an upper support rod; 6. a cylinder; 7. a threaded rod; 8. an upper shaft lever; 9. a nut sleeve; 10. a key bar; 11. a key slot; 12. a connector; 13. a connection hole; 14. a mounting hole; 15. a bolt; 16. a nut head; 17. an extension plate; 18. a groove; 19. a positioning head; 20. and positioning holes.

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.

Examples

Referring to fig. 1-4, the present utility model provides the following technical solutions: the utility model provides a deep foundation pit excavates supporting construction, including mount pad 1, it has backup pad 2 to articulate on the mount pad 1, it has lower bracing piece 4 to articulate through lower axostylus axostyle 3 on the mount pad 1, it has last bracing piece 5 to articulate on the lower bracing piece 4, and it has barrel 6 to articulate on lower axostylus axostyle 3 mutually, inside sliding connection on barrel 6 has threaded rod 7, threaded rod 7 articulates mutually with last bracing piece 5 through last axostylus axostyle 8, rotate on barrel 6 and be connected with nut cover 9, in this embodiment, drive threaded rod 7 through rotatory nut cover 9 and slide along the inside of barrel 6, threaded rod 7 overturns through backup pad 2 on last bracing piece 5 is driven through last axostylus axostyle 8 under the cooperation of lower bracing piece 4 simultaneously, make backup pad 2 can overturn and support as to the angle of foundation pit lateral wall looks adaptation.

Specifically, the mounting base 1 is fixed with a connector 12, the mounting base 1 is provided with a connecting hole 13, and in this embodiment, two adjacent mounting bases 1 can be inserted into the connecting hole 13 of the other mounting base 1 through the connector 12 of one mounting base 1 to be spliced and assembled.

Specifically, the inside of the connecting hole 13 is provided with a mounting hole 14, and in this embodiment, after the connecting head 12 is inserted into the inside of the connecting hole 13, the connecting head 12 and the connecting hole 13 can be inserted into the mounting hole 14 by using foundation bolts and then fixed on the bottom wall of the foundation pit.

Specifically, the two sides on the supporting plate 2 are hinged with bolts 15, the bolts 15 are provided with nut heads 16 in a threaded manner, the supporting plate 2 is provided with extension plates 17, the two sides of the extension plates 17 are provided with grooves 18, in the embodiment, after the extension plates 17 are installed on the supporting plate 2 in an inserting manner, the bolts 15 are turned upwards to the inside of the grooves 18, the nut heads 16 are screwed up in a rotating manner, and then the extension plates 17 are fixed with the supporting plate 2, so that the deep foundation pit can be matched and used.

Specifically, the bottom of the extension board 17 is fixed with a positioning head 19, the top of the support board 2 is provided with a positioning hole 20, and in this embodiment, the extension board 17 is inserted into the positioning hole 20 through the positioning head 19 to be installed and positioned with the support board 2.

Specifically, a key bar 10 is fixed in the barrel 6, a key groove 11 is formed in the threaded rod 7, and the threaded rod 7 in the embodiment can be slidably connected with the barrel 6 through the key groove 11 and the key bar 10.

The working principle and the using flow of the utility model are as follows: firstly, the extension plate 17 is inserted into the positioning hole 20 through the positioning head 19 to be installed and positioned with the support plate 2, then the bolt 15 is turned upwards to the inside of the groove 18, and then the nut head 16 is screwed down in a rotating way, so that the extension plate 17 and the support plate 2 are fixed, and the extension plate can be used for adapting to a deeper foundation pit; then, the threaded rod 7 is driven to slide along the inside of the cylinder 6 by rotating the nut sleeve 9, and meanwhile, the threaded rod 7 drives the supporting plate 2 on the upper supporting rod 5 to turn over by the upper shaft rod 8 under the cooperation of the lower supporting rod 4, so that the supporting plate 2 can turn over to be in support with an angle matched with the side wall of the foundation pit; finally, the two adjacent installation seats 1 can be spliced and assembled by inserting the connector 12 on one installation seat 1 into the connecting hole 13 on the other installation seat 1, and then inserting the foundation bolt into the mounting hole 14 and fixing the foundation bolt on the bottom wall of the foundation pit after penetrating through the connector 12 and the connecting hole 13.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. The utility model provides a deep basal pit excavates supporting construction, includes mount pad (1), its characterized in that: the utility model discloses a support plate, including mount pad (1), lower support bar (4) are articulated through lower axostylus axostyle (3) on mount pad (1), articulated on lower support bar (4) have last bracing piece (5), and go up bracing piece (5) and backup pad (2) and articulate mutually, articulated on lower axostylus axostyle (3) have barrel (6), inside sliding connection on barrel (6) has threaded rod (7), threaded rod (7) are articulated mutually through last axostylus axostyle (8) and last bracing piece (5), rotate on barrel (6) and be connected with nut cover (9).

2. The deep foundation pit excavation supporting structure of claim 1, wherein: the mounting seat (1) is fixedly provided with a connector (12), and the mounting seat (1) is provided with a connecting hole (13).

3. The deep foundation pit excavation supporting structure of claim 2, wherein: and a mounting hole (14) is formed in the connecting hole (13).

4. The deep foundation pit excavation supporting structure of claim 1, wherein: the two sides of the supporting plate (2) are hinged with bolts (15), the bolts (15) are provided with nut heads (16) in a threaded mode, the supporting plate (2) is provided with extension plates (17), and grooves (18) are formed in the two sides of the extension plates (17).

5. The deep foundation pit excavation supporting structure of claim 4, wherein: the bottom of the extension plate (17) is fixed with a positioning head (19), and the top of the support plate (2) is provided with a positioning hole (20).

6. The deep foundation pit excavation supporting structure of claim 1, wherein: the inside on barrel (6) is fixed with keybar (10), set up keyway (11) on threaded rod (7).