CN210768781U - Tooth-shaped shield segment convenient to replace and used for shield construction - Google Patents

Abstract

The utility model relates to the technical field of building materials for tunnel construction, and discloses a toothed shield segment for shield tunnel construction, which is easy to replace. A first clamping strip is fixedly connected to the other side of the upper surface of the shield body, the inner surface of the shield body is provided with a third threaded hole, and a splicing assembly is fixedly installed on the upper surface of the shield body. , and the front surface of the shield segment body is fixedly installed with an anti-leakage component. The splicing component can facilitate the staff to connect the shield segment body into a ring, and it is convenient for the staff to use limit bolts to connect the shield segment bodies. Connection and simple operation can improve the work efficiency of the staff. The anti-leakage component can prevent the underground water from leaking out through the shield segment bodies and affect the quality and safety of the tunnel. At the same time, it can also facilitate the connection of the shield segment bodies into A ring-to-ring connection after a ring.

Description

An easy-to-replace toothed shield segment for shield construction

technical field

The utility model relates to the technical field of building materials for tunnel construction, in particular to a toothed shield tunnel segment that is easy to replace for shield tunnel construction.

Background technique

Shield segment is the main assembly component of shield construction and the innermost barrier of the tunnel, which bears the role of resisting soil pressure, groundwater pressure and some special loads. The shield segment is the permanent lining structure of the shield tunnel. The quality of the shield segment is directly related to the overall quality and safety of the tunnel, and affects the waterproof performance and durability of the tunnel. The production of the shield segment is usually made of high-strength impermeable concrete. In order to ensure reliable bearing capacity and waterproof performance, the production mainly uses the finished segment mold to be formed after sealing and pouring concrete. However, the existing shield segment is very inconvenient to install and fix, and the waterproof and leakage effect is not good. it is good. Therefore, those skilled in the art provide a toothed shield segment that is easy to replace for shield construction, so as to solve the problems raised in the above-mentioned background art.

Utility model content

The purpose of the present invention is to provide a toothed shield segment that is easy to replace for shield construction, so as to solve the problems raised in the above background technology.

To achieve the above object, the utility model provides the following technical solutions:

An easy-to-replace toothed shield segment for shield construction, comprising a shield segment body, a second threaded hole is opened on one side of the upper surface of the shield segment body, and the shield segment body is provided with a second threaded hole. The other side of the surface is provided with a second limit hole, the upper surface of the shield segment body is provided with a first card slot, and the other side of the upper surface of the shield segment body is fixedly connected with a first card The inner surface of the shield segment body is provided with a third threaded hole, the lower surface of the shield segment body is fixedly provided with anti-skid teeth, and the inner surface of the shield segment body is provided with a through hole, so A splicing component is fixedly installed on the upper surface of the shield segment body, and an anti-leakage component is fixedly installed on the front surface of the shield segment body.

As a further solution of the present invention: the splicing assembly includes a first threaded hole, a limit groove, a first limit hole and a limit plate, and a limit plate is fixedly installed on one side of the upper surface of the shield segment body , and the other side of the upper surface of the shield body is provided with a limiting groove, one side of the limiting plate is provided with a first threaded hole, and the inner surface of the limiting groove is provided with a first limiting hole.

As a further solution of the present invention: the anti-leakage component includes a second slot, a third threaded hole, a third limit hole, a sealing gasket and a second clip, and the front surface of the shield body A second clamping strip is fixedly installed, and a second clamping slot is opened on the rear surface of the shield body, the upper surface of the second clamping strip is fixedly connected with a sealing gasket, and a second clamping strip is opened on the upper surface of the second clamping strip. There are three limiting holes, and the upper surface of the second clamping slot is provided with a third threaded hole.

As a further solution of the present invention, the limit plate is adapted to the limit slot, and the limit plate and the limit slot are connected by engaging with each other.

As a further solution of the present invention, the first threaded hole and the first limiting hole have the same diameter, and the first threaded hole and the first limiting hole are connected by bolts.

As a further solution of the present invention, the second clamping strip is adapted to the second clamping slot, and the second clamping strip and the second clamping slot are connected to each other by engaging with each other.

As a further solution of the present invention, the third threaded hole and the third limiting hole have the same diameter, and the third threaded hole and the third limiting hole are connected by bolts.

Compared with the prior art, the beneficial effects of the present utility model are:

By adding a splicing component, the utility model can facilitate the workers to connect the shield segment bodies into a ring, facilitate the workers to use limit bolts to connect the shield segment bodies, and at the same time, the operation is simple and the work efficiency of the workers can be improved. , By adding the anti-leakage component, it can prevent the underground water from leaking out through the shield segment bodies, which affects the quality and safety of the tunnel. the connection between.

Description of drawings

1 is a schematic structural diagram of a toothed shield segment that is easy to replace for shield construction;

Fig. 2 is a kind of plane structure schematic diagram of the anti-skid teeth in the toothed shield segment that is easy to replace for shield construction;

FIG. 3 is a schematic plan view of a toothed shield segment for shield construction that is easy to replace.

In the figure: 1, the first slot; 2, the splicing assembly; 3, the first threaded hole; 4, the second threaded hole; 5, the second slot; 6, the third threaded hole; 7, the through hole; 8, Limit slot; 9. The first limit hole; 10, The first clip; 11, The second limit hole; 12, The third limit hole; 13, Sealing pad; 14, The second clip; 15, Prevent Leakage components; 16. Shield segment body; 17. Limit plate; 18. Anti-skid teeth.

Detailed ways

Referring to FIGS. 1 to 3 , in the embodiment of the present invention, a toothed shield segment for shield construction, which is easy to replace, includes a shield segment body 16 and a side of the upper surface of the shield segment body 16 . A second threaded hole 4 is provided, and a second limit hole 11 is provided on the other side of the upper surface of the shield body 16, and a first clamping slot 1 is provided on one side of the upper surface of the shield body 16, and The other side of the upper surface of the shield body 16 is fixedly connected with a first clip 10 , the inner surface of the shield body 16 is provided with a third threaded hole 6 , and the lower surface of the shield body 16 is fixedly provided with a There are anti-skid teeth 18 and through holes 7 are formed on the inner surface of the shield body 16 .

In Figures 1, 2 and 3: a splicing assembly 2 is fixedly installed on the upper surface of the shield segment body 16, and the splicing assembly 2 includes a first threaded hole 3, a limit groove 8, a first limit hole 9 and a limit plate 17. A limiting plate 17 is fixedly installed on one side of the upper surface of the shield body 16, and the other side of the upper surface of the shield body 16 is provided with a limiting slot 8, and one side of the limiting plate 17 is provided with a first The threaded hole 3, the inner surface of the limit slot 8 is provided with a first limit hole 9, the limit plate 17 is adapted to the limit slot 8, and the limit plate 17 and the limit slot 8 are connected to each other by engaging with each other. The diameter of the threaded hole 3 is the same as that of the first limiting hole 9, and the first threaded hole 3 and the first limiting hole 9 are connected by bolts. By adding a splicing assembly 2, the present invention can facilitate the staff to connect the shield body 16 to the shield segment body 16. The connection is in a loop, which is convenient for the staff to connect the shield segment bodies 16 with limit bolts, and at the same time, the simple operation can improve the work efficiency of the staff.

In FIGS. 1 , 2 and 3 : the front surface of the shield segment body 16 is fixedly mounted with an anti-leakage component 15 , and the anti-leakage component 15 includes a second slot 5 , a third threaded hole 6 , and a third limit hole 12. The gasket 13 and the second clip 14, the second clip 14 is fixedly installed on the front surface of the shield tube segment body 16, and the second clip slot 5 is opened on the rear surface of the shield tube segment body 16. The upper surface of the clamping strip 14 is fixedly connected with the sealing gasket 13 , the upper surface of the second clamping strip 14 is provided with a third limiting hole 12 , the upper surface of the second clamping slot 5 is provided with a third threaded hole 6 , and the second clamping The bar 14 is adapted to the second card slot 5, and the second card bar 14 and the second card slot 5 are engaged with each other, the third threaded hole 6 and the third limit hole 12 have the same diameter, and the third threaded hole 6 It is connected with the third limit hole 12 by bolts. By adding the anti-leakage component 15, the underground water can be prevented from leaking out through the shield body 16, which affects the quality and safety of the tunnel. At the same time, the anti-leakage component 15 can facilitate the The connection between the rings after the shield segment bodies 16 are connected into rings.

The working principle of the utility model is as follows: when the utility model is installed, the shield segment body 16 is first spliced through the splicing assembly 2, and the limiting plate 17 on one shield segment body 16 is firstly clamped to the other shield segment. Then use the limit bolts to pass through the first threaded holes 3 and the first limit holes 9 to fix them, and then use the limit bolts to pass through the through holes 7 to connect a shield tube The second limit hole 11 on the main body 16 is fixed with the second threaded hole 4 on the other shield tube piece body 16 . The connection between the multiple shield segment bodies 16, the multiple shield segment bodies 16 are connected end to end in the tunnel to form a ring, and then the rings are connected to each other to cover the tunnel, and the protection is passed between the rings. The leakage component 15 prevents the underground water from seeping out and affects the quality and safety of the tunnel. When the ring is fixed to the ring, the second clip 14 on the front surface of the shield segment body 16 on one ring is first clamped to the other ring. In the second slot 5 on the rear surface of the upper shield segment body 16, the third limit hole 12 and the third threaded hole 6 are fixed by limit bolts, and the ring and the ring are fixed firmly, and at the same time. It can prevent the leakage of groundwater.

The above are only the preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. The technical solution of the utility model and its utility model concept are equivalently replaced or changed, and should be covered within the protection scope of the present utility model.

Claims (7)

1. A tooth-shaped shield segment convenient to replace for shield construction comprises a shield segment body (16) and is characterized in that one side of the upper surface of the shield segment body (16) is provided with a second threaded hole (4), the other side of the upper surface of the shield segment body (16) is provided with a second limiting hole (11), one side of the upper surface of the shield segment body (16) is provided with a first clamping groove (1), the other side of the upper surface of the shield segment body (16) is fixedly connected with a first clamping strip (10), the inner surface of the shield segment body (16) is provided with a third threaded hole (6), the lower surface of the shield segment body (16) is fixedly provided with anti-skidding teeth (18), the inner surface of the shield segment body (16) is provided with a through hole (7), and the upper surface of the shield segment body (16) is fixedly provided with a splicing assembly (2), and the front surface of the shield segment body (16) is fixedly provided with an anti-leakage assembly (15).

2. The convenient-to-replace toothed shield segment for shield construction according to claim 1, wherein the splicing assembly (2) comprises a first threaded hole (3), a limiting groove (8), a first limiting hole (9) and a limiting plate (17), the limiting plate (17) is fixedly mounted on one side of the upper surface of the shield segment body (16), the limiting groove (8) is formed in the other side of the upper surface of the shield segment body (16), the first threaded hole (3) is formed in one side of the limiting plate (17), and the first limiting hole (9) is formed in the inner surface of the limiting groove (8).

3. The convenient-to-replace toothed shield segment for shield construction according to claim 1, wherein the anti-leakage assembly (15) comprises a second clamping groove (5), a third threaded hole (6), a third limiting hole (12), a sealing gasket (13) and a second clamping strip (14), the second clamping strip (14) is fixedly mounted on the front surface of the shield segment body (16), the second clamping groove (5) is formed in the rear surface of the shield segment body (16), the sealing gasket (13) is fixedly connected to the upper surface of the second clamping strip (14), the third limiting hole (12) is formed in the upper surface of the second clamping strip (14), and the third threaded hole (6) is formed in the upper surface of the second clamping groove (5).

4. The tooth-shaped shield segment convenient to replace for shield construction according to claim 2, wherein the limiting plate (17) is matched with the limiting groove (8), and the limiting plate (17) is mutually connected with the limiting groove (8) in a clamping manner.

5. The tooth-shaped shield segment convenient to replace for shield construction according to claim 2, wherein the first threaded hole (3) has the same diameter as the first limiting hole (9), and the first threaded hole (3) is connected with the first limiting hole (9) through a bolt.

6. The tooth-shaped shield segment convenient to replace for shield construction according to claim 3, wherein the second clamping strip (14) is matched with the second clamping groove (5), and the second clamping strip (14) is mutually clamped and connected with the second clamping groove (5).

7. The tooth-shaped shield segment convenient to replace for shield construction according to claim 3, wherein the third threaded hole (6) and the third limiting hole (12) have the same diameter, and the third threaded hole (6) is connected with the third limiting hole (12) through a bolt.

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