CN218880870U

CN218880870U - Shield foundation pit structure for subway construction

Info

Publication number: CN218880870U
Application number: CN202223027823.2U
Authority: CN
Inventors: 于涌泉
Original assignee: Individual
Current assignee: Shanghai Chengyu Environmental Protection Engineering Co ltd
Priority date: 2022-11-14
Filing date: 2022-11-14
Publication date: 2023-04-18
Anticipated expiration: 2032-11-14

Abstract

The utility model provides a shield constructs foundation ditch structure for subway construction relates to municipal construction foundation ditch technical field, including the foundation ditch body, the inside fixedly connected with base of foundation ditch body, the spout has been seted up to the inside of base, the inside sliding connection of spout has the slider, the fixed surface of slider is connected with the spliced pole, the top fixedly connected with square column of spliced pole, the dovetail has been seted up on the surface of square column, the inside sliding connection of dovetail has Yan Weikuai, the side fixedly connected with reinforcing plate of dovetail piece. The utility model has the advantages of: dovetail piece and reinforcing plate can carry out sliding connection in the dovetail on the square column, and sliding connection is more convenient when installation or dismantlement, connects through slider and spout between spliced pole and the base, rotates the spliced pole after the slider inserts in the spout, then puts into dovetail piece and reinforcing plate, can make the unable rotation of square column, and then makes the slider can not take out from the spout.

Description

Shield foundation pit structure for subway construction

Technical Field

The utility model relates to a municipal construction foundation ditch technical field, in particular to shield constructs foundation ditch structure for subway construction.

Background

After the completion excavation of foundation ditch is established, need set up supporting construction in order to strengthen the steadiness of foundation ditch, reduce the phenomenon that the foundation ditch lateral wall appears collapsing, at present, to subway shield structure foundation ditch strut generally pour concrete wall and paste with the foundation ditch inner wall, strut the reinforcement to the foundation ditch.

The shield foundation pit structure for subway construction disclosed in the chinese patent CN214401798U is convenient for recovering and recycling the structure in the foundation pit, and reduces the waste, but the shield foundation pit structure for subway construction has the following disadvantages while solving the problems:

the reinforcing plate is fixed by connecting a plurality of bolts with the bearing plate, and when the reinforcing plate is mounted and dismounted, the plurality of bolts need to be screwed, so that the working efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The purpose of the present invention is to solve at least one of the technical drawbacks.

Therefore, an object of the utility model is to provide a shield structure foundation ditch structure for subway construction to solve the problem mentioned in the background art, overcome the not enough that exists among the prior art.

In order to realize the above-mentioned purpose, the embodiment of the utility model provides a shield constructs foundation ditch structure for subway construction, including the foundation ditch body, the inside fixedly connected with base of foundation ditch body, the spout has been seted up to the inside of base, the inside sliding connection of spout has the slider, the fixed surface of slider is connected with the spliced pole, the top fixedly connected with square column of spliced pole, the dovetail has been seted up on the surface of square column, the inside sliding connection of dovetail has Yan Weikuai, the side fixedly connected with reinforcing plate of dovetail piece.

Preferably, according to any one of the above schemes, the bottom of the dovetail block is fixedly connected with a supporting block, and the supporting block enables a certain distance to be reserved between the reinforcing plates.

Preferably, in any of the above aspects, a rib plate is fixedly connected to the bottom of the reinforcing plate, and the rib plate increases the bending resistance of the reinforcing plate.

Preferably, in any one of the above aspects, a bolt is connected to the surface of the square column in a threaded manner, and the bolt can fix the reinforcing plate.

Preferably, in any of the above schemes, the base, the connecting columns and the square columns are four groups, and the four groups of square columns can fix both ends of the reinforcing plate.

Preferably, in any of the above solutions, there are two support blocks, and the two support blocks make the left and right heights of the reinforcing plate consistent.

Compared with the prior art, the utility model has the advantages and beneficial effects do:

1. through the design of dovetail, make dovetail piece and reinforcing plate carry out sliding connection in the dovetail on the square column, can prevent simultaneously that the reinforcing plate from taking place to remove about, sliding connection is more convenient when installation or dismantlement for installation dismantlement speed can promote work efficiency.

2. Connect through slider and spout between spliced pole and the base, rotate the spliced pole after the slider inserts in the spout, then put into dovetail block and reinforcing plate, can make the square column unable rotation, and then make the slider can not take out from the spout, play the fixed action to the square column.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of an outer profile according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a chute according to an embodiment of the present invention;

FIG. 3 is a schematic view of a connecting column according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a dovetail block according to an embodiment of the present invention.

Wherein: 1. the foundation pit comprises a base, 2 parts of a sliding groove, 3 parts of a sliding block, 4 parts of a connecting column, 5 parts of a square column, 6 parts of a dovetail groove, 7 parts of a dovetail block, 8 parts of a reinforcing plate, 9 parts of a supporting block, 10 parts of a rib plate, 11 parts of a bolt, 12 parts of a foundation pit body.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary intended for explaining the present invention, and should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The first embodiment is as follows:

as shown in fig. 1-4, the shield foundation pit structure for subway construction of this embodiment, including foundation pit body 12, the inside fixedly connected with base 1 of foundation pit body 12, base 1 is cylindric, spout 2 has been seted up to base 1's inside, spout 2 is the L shape, the inside sliding connection of spout 2 has slider 3, the fixed surface of slider 3 is connected with spliced pole 4, spliced pole 4 diameter is the same with the internal diameter of base 1, make spliced pole 4 can be pegged graft in base 1, the top fixedly connected with square column 5 of spliced pole 4, dovetail 6 has been seted up on the surface of square column 5, the inside sliding connection of dovetail 6 has dovetail block 7, dovetail block 7 can only reciprocate in dovetail 6, can be blocked by dovetail 6 when controlling, the side fixedly connected with reinforcing plate 8 of dovetail block 7 has the multiunit altogether, the equal fixedly connected with dovetail block 7 in both ends of every reinforcing plate 8.

The bottom of the dovetail block 7 is fixedly connected with a supporting block 9, and after the reinforcing plate 8 is placed, the supporting block 9 is in contact with the dovetail block 7 below, so that the reinforcing plate 8 has a space.

The bottom of each reinforcing plate 8 is fixedly connected with a rib plate 10, and the bottom of each reinforcing plate 8 is provided with two rib plates 10.

The surface of the square column 5 is connected with a bolt 11 in a threaded mode, and the bolt 11 penetrates through the square column 5 and then contacts with the plane of the dovetail block 7 and is fixed through friction force.

The bases 1, the connecting columns 4 and the square columns 5 are four groups in total, and the four groups of bases 1, the connecting columns 4 and the square columns 5 are symmetrically distributed in the foundation pit body 12.

The supporting blocks 9 are two in total, and the two supporting blocks 9 are symmetrically distributed at the bottoms of the dovetail blocks 7 at the two ends of the reinforcing plate 8.

A shield constructs foundation ditch structure for subway construction of this embodiment, theory of operation as follows:

at first align with spout 2 in base 1 with slider 3 on the spliced pole 4 and peg graft, then rotate spliced pole 4, make slider 3 move the end of spout 2, then align dovetail 7 on the reinforcing plate 8 and dovetail 6 on the square column 5 and put into, after putting into totally, screw up bolt 11 and fix the dovetail 7 and the reinforcing plate 8 of top, can make whole reinforcing plate 8 fixed.

Compared with the prior art, the utility model discloses for prior art have following beneficial effect:

1. through the design of dovetail 6, make forked tail piece 7 and reinforcing plate 8 carry out sliding connection in dovetail 6 on square column 5, can prevent simultaneously that reinforcing plate 8 from taking place to remove about, sliding connection is more convenient when installation or dismantlement for installation dismantlement speed can promote work efficiency.

2. Connect through slider 3 and spout 2 between spliced pole 4 and the base 1, rotate spliced pole 4 after slider 3 inserts in spout 2, then put into dovetail 7 and reinforcing plate 8, can make square column 5 unable rotation, and then make slider 3 can not take out from spout 2, play the fixed action to square column 5.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

It will be understood by those skilled in the art that the invention, including any combination of the elements of the above description and the detailed description and illustrated in the accompanying drawings, is not limited to the details and should not be construed as limited to the embodiments set forth herein for the sake of brevity. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a shield constructs foundation ditch structure for subway construction, a serial communication port, including foundation ditch body (12), inside fixedly connected with base (1) of foundation ditch body (12), spout (2) have been seted up to the inside of base (1), the inside sliding connection of spout (2) has slider (3), the fixed surface of slider (3) is connected with spliced pole (4), top fixedly connected with square column (5) of spliced pole (4), dovetail (6) have been seted up on the surface of square column (5), the inside sliding connection of dovetail (6) has Yan Weikuai (7), the side fixedly connected with reinforcing plate (8) of Yan Weikuai (7).

2. The shield foundation pit structure for subway construction as claimed in claim 1, wherein said Yan Weikuai (7) bottom is fixedly connected with a supporting block (9).

3. The shield foundation pit structure for subway construction as claimed in claim 1, wherein the bottom of the reinforcing plate (8) is fixedly connected with a ribbed plate (10).

4. The shield foundation pit structure for subway construction as claimed in claim 1, wherein a bolt (11) is threadedly connected to the surface of said square column (5).

5. The shield foundation pit structure for subway construction as claimed in claim 1, wherein said base (1), connecting column (4) and square column (5) are four groups in total.

6. The shield foundation pit structure for subway construction as claimed in claim 2, wherein said supporting blocks (9) are two in number.