CN219220433U

CN219220433U - High-strength anti-cracking shield segment structure

Info

Publication number: CN219220433U
Application number: CN202320752513.2U
Authority: CN
Inventors: 潘舒苑; 熊子千; 林志明; 郑娟; 马振欣
Original assignee: Cccc Third Aviation Bureau Sixth Engineering Xiamen Co ltd; Xiamen Sanhang Concrete Co ltd; CCCC Third Harbor Engineering Co Ltd
Current assignee: Cccc Third Aviation Bureau Sixth Engineering Xiamen Co ltd; Xiamen Sanhang Concrete Co ltd; CCCC Third Harbor Engineering Co Ltd
Priority date: 2023-04-07
Filing date: 2023-04-07
Publication date: 2023-06-20
Anticipated expiration: 2033-04-07

Abstract

The application discloses anti shield constructs section of jurisdiction structure of high strength relates to shield and constructs section of jurisdiction technical field, including the section of jurisdiction body, the fixed head rod that is equipped with of outer wall of section of jurisdiction body, the fixed first connecting block that is equipped with of outer wall of section of jurisdiction body, first connecting hole has been seted up to the bottom of first connecting block, the screw hole has been seted up to the outer wall of first connecting block, the inner wall threaded connection of screw hole has fixing bolt, the fixed second connecting block that is equipped with of outer wall of section of jurisdiction body, the second connecting hole has been seted up to the outer wall of second connecting block, the screw groove has been seted up to the bottom of second connecting block, the fixed slot has been seted up at the top of screw groove, fixing nut has been inlayed to the inner wall of fixed slot. The utility model provides a be favorable to through connection structure's crisscross concatenation, fasten between the section of jurisdiction and the section of jurisdiction again to be favorable to improving the wholeness of this shield section of jurisdiction, and then improve the compressive capacity of shield section of jurisdiction, improve the intensity of shield section of jurisdiction.

Description

High-strength anti-cracking shield segment structure

Technical Field

The application relates to the technical field of shield segments, in particular to a high-strength anti-crack shield segment structure.

Background

The shield segment is a main assembly component for shield construction, is the innermost barrier of a tunnel, and plays roles of resisting soil layer pressure, underground water pressure and some special loads.

The related art relates to a high-strength anti-cracking shield segment structure, which can refer to Chinese patent with an authorized bulletin number of CN206338075U, wherein an internal water pressure resistant composite shield segment is disclosed, and comprises a reinforced concrete segment; the steel plate member is embedded and coated on the inner wall of the reinforced concrete pipe piece and comprises a steel plate frame embedded at the edge of the inner wall of the reinforced concrete pipe piece and a compression-resistant steel plate connected with the steel plate frame into a whole.

The device discovers in the in-process of in-service use, although the device can improve the effect of resisting interior pressure, but this shield segment's connected mode is comparatively single, only relies on the steel sheet to connect whole shield segment, also lacks the measure of fastening each other between shield segment and the shield segment to take place not hard up easily between segment and the segment after long-time use, lead to the intensity of shield segment to reduce.

Disclosure of Invention

The utility model aims to solve or at least alleviate the problems that the connection mode of the shield segments in the prior art is single, the whole shield segments are connected by only relying on steel plates, and mutual fastening measures are not available between the shield segments, so that looseness is easy to occur between the segments after long-time use.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a high strength anti shield constructs section of jurisdiction structure, includes the section of jurisdiction body, the fixed head rod that is equipped with of outer wall of section of jurisdiction body, the fixed first connecting block that is equipped with of outer wall of section of jurisdiction body, first connecting hole has been seted up to the bottom of first connecting block, the screw hole has been seted up to the outer wall of first connecting block, the inner wall threaded connection of screw hole has fixing bolt, the fixed second connecting block that is equipped with of outer wall of section of jurisdiction body, the second connecting hole has been seted up to the outer wall of second connecting block, the screw groove has been seted up to the bottom of second connecting block, the fixed slot has been seted up at the top of screw groove, the inner wall of fixed slot has embedded fixation nut, the second connecting rod has been seted up to the outer wall of section of jurisdiction body.

Optionally, the first connecting rod and the first connecting block and the second connecting rod are respectively located at two sides of the duct piece body, the first connecting rod is located above the first connecting block, and the second connecting rod is located below the second connecting block.

Through adopting above technical scheme, be favorable to improving the compactness of being connected between section of jurisdiction and the section of jurisdiction when assembling, make it possess the wholeness more.

Optionally, the inside of section of jurisdiction body buries has the fossil fragments, the material of fossil fragments is torsion bar, and the diameter of fossil fragments is 1.5-1.7 centimetres.

Through adopting above technical scheme, be favorable to improving the bulk strength of section of jurisdiction body, make it more durable.

Optionally, a rubber sealing strip is fixedly arranged at the top of the duct piece body, and a concrete coating layer is fixedly arranged at the top of the rubber sealing strip.

Through adopting above technical scheme, be favorable to improving the waterproof nature of this section of jurisdiction body, reduce the influence of groundwater to the section of jurisdiction body.

Optionally, the top of concrete coating is fixed to be equipped with the concrete lug, the quantity of concrete lug is a plurality of, and concrete lug evenly distributed is at the top of concrete coating.

Through adopting above technical scheme, be favorable to making the compactness that section of jurisdiction body and tunnel wall are connected, make it more firm.

Optionally, the outer wall of the segment body is provided with a groove, and the inner wall of the groove is fixedly provided with a force transmission gasket.

Through adopting above technical scheme, be favorable to improving the buffering shock attenuation effect of this section of jurisdiction body, still possess certain waterproof nature simultaneously.

Optionally, an inner cavity is formed in the inner wall of the duct piece body, and a steel plate is fixedly assembled on the inner wall of the inner cavity.

Through adopting above technical scheme, be favorable to the cooperation fossil fragments to improve the bulk strength of this section of jurisdiction body, improve its life.

In summary, the beneficial effects of the application are as follows:

the cooperation setting between this application through head rod, first connecting block, first connecting hole, fixing bolt, second connecting block etc. fixation nut and the second connecting rod structure is favorable to the crisscross concatenation through connection structure, and the cooperation fixing bolt fastens between segment and the segment again to be favorable to improving the wholeness of this shield segment, and then improve the compressive capacity of shield segment, improve the intensity of shield segment.

Drawings

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

FIG. 2 is a schematic view of a cross-sectional structure of a fixing bolt of the present application;

FIG. 3 is a schematic view of a cross-sectional structure of a groove in the present application;

FIG. 4 is a schematic cross-sectional view of the first connecting rod of the present application;

fig. 5 is an enlarged schematic view of the structure of fig. 2 a of the present application.

Reference numerals illustrate: 1. a segment body; 2. a first connecting rod; 3. a first connection block; 4. a first connection hole; 5. a threaded hole; 6. a fixing bolt; 7. a second connection block; 8. a second connection hole; 9. a thread groove; 10. a fixing groove; 11. a fixing nut; 12. a second connecting rod; 13. a keel; 14. a rubber sealing strip; 15. a concrete coating layer; 16. a concrete bump; 17. a groove; 18. a force transfer pad; 19. an inner cavity; 20. and (3) a steel plate.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-5.

Referring to fig. 1-3, a high-strength anti-crack shield segment structure comprises a segment body 1, a first connecting rod 2 for splicing with a second connecting rod 7 is fixedly arranged on the outer wall of the segment body 1, a first connecting block 3 for splicing with a second connecting rod 12 is fixedly arranged on the outer wall of the segment body 1, a first connecting hole 4 is formed in the bottom of the first connecting block 3, a threaded hole 5 is formed in the outer wall of the first connecting block 3, a fixing bolt 6 is connected with the inner wall of the threaded hole 5 in a threaded manner, a second connecting rod 7 is fixedly arranged on the outer wall of the segment body 1, a second connecting hole 8 is formed in the outer wall of the second connecting rod 7, a thread groove 9 is formed in the bottom of the second connecting rod 7, the fixed slot 10 has been seted up at the top of screw groove 9, the inner wall of fixed slot 10 is embedded to have fixation nut 11, through fixing bolt 6 and fixation nut 11 threaded connection, improve the tightness between section of jurisdiction and the section of jurisdiction, second connecting rod 12 has been seted up to the outer wall of section of jurisdiction body 1, first connecting rod 2 and first connecting block 3 are located the both sides of section of jurisdiction body 1 respectively with second connecting block 7 and second connecting rod 12, and first connecting rod 2 is located the top of first connecting block 3, second connecting rod 12 is located the below of second connecting block 7, through crisscross setting, be favorable to improving the compactness of being connected between section of jurisdiction and the section of jurisdiction when assembling, make it possess the wholeness more.

Referring to fig. 2 and 3, the keel 13 is buried in the duct piece body 1, the keel 13 is made of twisted steel bars, the diameter of the keel 13 is 1.5-1.7 cm, and the overall strength of the duct piece body 1 is improved by arranging the keel 13, so that the duct piece is more durable.

Referring to fig. 2 and 3, the top of the segment body 1 is fixedly equipped with a rubber sealing strip 14, the top of the rubber sealing strip 14 is fixedly equipped with a concrete coating layer 15, and by arranging the rubber sealing strip 14 and the concrete coating layer 15, the waterproof performance of the segment body 1 is improved, and the influence of groundwater on the segment body 1 is reduced.

Referring to fig. 1, the top of the concrete coating 15 is fixedly equipped with concrete bumps 16, the number of the concrete bumps 16 is a plurality, and the concrete bumps 16 are uniformly distributed on the top of the concrete coating 15, and by arranging the concrete bumps 16, the connection tightness of the segment body 1 and the tunnel wall is facilitated, so that the segment body is firmer.

Referring to fig. 1 and 3, the outer wall of the duct piece body 1 is provided with a groove 17, the inner wall of the groove 17 is fixedly provided with a force transmission liner 18, and the buffer and shock absorption effects of the duct piece body 1 are improved by arranging the force transmission liner 18, and meanwhile, the duct piece body is also provided with certain waterproof performance.

Referring to fig. 2 and 3, an inner cavity 19 is formed in the inner wall of the duct piece body 1, a steel plate 20 is fixedly arranged on the inner wall of the inner cavity 19, and the steel plate 20 is beneficial to improving the overall strength of the duct piece body 1 and prolonging the service life of the duct piece body by being matched with the keel 13.

The implementation principle of the application is as follows: when being connected to the segment, first connecting rod 2 is spliced with second connecting block 7 and the second connecting rod 12 of another shield segment with first connecting block 3 alignment, after the concatenation is accomplished, uses fixing bolt 6 to carry out threaded connection through screw hole 5 and fixation nut 11, improves the wholeness of this segment body 1 through crisscross concatenation mode, makes it when receiving the pressure extrusion, can share the pressure on every adjacent segment, makes its intensity higher, consolidates with steel sheet 20 again cooperation fossil fragments 13, improves the intensity of segment body 1 self.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a high strength anti shield constructs section of jurisdiction structure, includes section of jurisdiction body (1), its characterized in that: the utility model discloses a section of jurisdiction body, including section of jurisdiction body (1), outer wall fixed assembly of section of jurisdiction body (1) has head rod (2), the outer wall fixed assembly of section of jurisdiction body (1) has first connecting block (3), first connecting hole (4) have been seted up to the bottom of first connecting block (3), screw hole (5) have been seted up to the outer wall of first connecting block (3), the inner wall threaded connection of screw hole (5) has fixing bolt (6), the outer wall fixed assembly of section of jurisdiction body (1) has second connecting block (7), second connecting hole (8) have been seted up to the outer wall of second connecting block (7), thread groove (9) have been seted up to the bottom of second connecting block (7), fixed slot (10) have been seted up at the top of thread groove (9), fixing nut (11) have been inlayed to the inner wall of fixed slot (10), second connecting rod (12) have been seted up to the outer wall of section of jurisdiction body (1).

2. The high-strength anti-cracking shield segment structure according to claim 1, wherein: the first connecting rod (2) and the first connecting block (3) are respectively located at two sides of the duct piece body (1) together with the second connecting block (7) and the second connecting rod (12), the first connecting rod (2) is located above the first connecting block (3), and the second connecting rod (12) is located below the second connecting block (7).

3. The high-strength anti-cracking shield segment structure according to claim 1, wherein: the inside of section of jurisdiction body (1) has buried fossil fragments (13), the material of fossil fragments (13) is torsion reinforcing bar, and the diameter of fossil fragments (13) is 1.5-1.7 centimetres.

4. The high-strength anti-cracking shield segment structure according to claim 1, wherein: the top of section of jurisdiction body (1) is fixed and is equipped with rubber sealing strip (14), the top of rubber sealing strip (14) is fixed and is equipped with concrete coating (15).

5. The high-strength anti-cracking shield segment structure according to claim 4, wherein: the top of concrete coating (15) is fixed and is equipped with concrete lug (16), the quantity of concrete lug (16) is a plurality of, and concrete lug (16) evenly distributed is at the top of concrete coating (15).

6. The high-strength anti-cracking shield segment structure according to claim 4, wherein: the outer wall of the duct piece body (1) is provided with a groove (17), and the inner wall of the groove (17) is fixedly provided with a force transmission gasket (18).

7. The high-strength anti-cracking shield segment structure according to claim 1, wherein: an inner cavity (19) is formed in the inner wall of the duct piece body (1), and a steel plate (20) is fixedly arranged on the inner wall of the inner cavity (19).