CN219034756U

CN219034756U - Stable connecting structure for lining ring steel pipe sheets

Info

Publication number: CN219034756U
Application number: CN202223451620.6U
Authority: CN
Inventors: 蒋亮; 丁金龙; 陈明刚; 保广义
Original assignee: Jiangsu Kuailu Metro Steel Structure Manufacturing Co ltd; Wuxi Kuailu Subway Steel Structure Manufacturing Co ltd
Current assignee: Jiangsu Kuailu Metro Steel Structure Manufacturing Co ltd; Wuxi Kuailu Subway Steel Structure Manufacturing Co ltd
Priority date: 2022-12-23
Filing date: 2022-12-23
Publication date: 2023-05-16
Anticipated expiration: 2032-12-23

Abstract

The utility model discloses a lining ring steel pipe piece stable connection structure, which is characterized in that the steel pipe piece is provided with a first connection end face and a second connection end face, the first connection end face of the upper ring steel pipe piece is matched with the first connection end face of the lower ring steel pipe piece, the second connection end face of the upper ring steel pipe piece is matched with the second connection end face of the lower ring steel pipe piece, a first longitudinal bolt hole is formed in the first connection end face of the steel pipe piece, a second longitudinal bolt hole and a shear pin hole are formed in the second connection end face of the steel pipe piece, positioning bolts are arranged in the first longitudinal bolt hole and the second longitudinal bolt hole to connect adjacent steel pipe pieces, and shear pins are arranged in the shear pin holes to connect adjacent steel pipe pieces. Through the mode, the lining ring steel pipe sheet stable connection structure is connected through the corresponding connection end faces rapidly, so that the pipe sheets can be guaranteed to have stable stress capability, the pipe sheets are not easy to misplacement and separation after splicing, and the connection stability and reliability are guaranteed.

Description

Stable connecting structure for lining ring steel pipe sheets

Technical Field

The utility model relates to the technical field of tunnel construction, in particular to a stable connection structure of lining ring steel pipe sheets.

Background

The steel pipe sheet is designed and manufactured according to steel components by taking steel as a main raw material; the concrete segment takes concrete as a main raw material, is designed and manufactured according to a concrete prefabricated component, and is spliced by overlapping the concrete segment and the steel pipe segment to form a basic unit of the shield tunnel lining ring. The tunnel lining ring is arranged between two tunnels and is used for connecting the two tunnels, is convenient to overhaul and fire-fighting and escape safety channels, and is widely applied to subway tunnels, highways and railway tunnels.

At present, when assembling two rings of steel-pipe pieces, last ring steel-pipe piece and next ring steel-pipe piece only assemble through simple bolted connection mode, lack firm connection structure when connecting promptly current steel-pipe piece, lead to taking place the dislocation easily between last ring steel-pipe piece and the next ring steel-pipe piece, influence shield tunnel lining ring's quality.

Disclosure of Invention

The utility model mainly solves the technical problem of providing a lining ring steel pipe sheet stable connection structure, wherein adjacent steel pipe sheets are connected through corresponding connection end faces quickly, so that the stable stress capability of the pipe sheets can be ensured, the spliced pipe sheets are not easy to misplacement and separation, and the connection stability and reliability are ensured.

In order to solve the technical problems, the utility model adopts a technical scheme that: the utility model provides a lining ring steel pipe piece connection structure that stabilizes, include: a plurality of groups of steel pipe sheets spliced together,

the steel pipe sheet is provided with a first connecting end face and a second connecting end face, the first connecting end face of the upper ring steel pipe sheet is matched with the first connecting end face of the lower ring steel pipe sheet, the second connecting end face of the upper ring steel pipe sheet is matched with the second connecting end face of the lower ring steel pipe sheet,

the steel pipe sheet connecting device is characterized in that a first longitudinal bolt hole is formed in a first connecting end face of the steel pipe sheet, a second longitudinal bolt hole and a shear pin hole are formed in a second connecting end face of the steel pipe sheet, positioning bolts are arranged in the first longitudinal bolt hole and the second longitudinal bolt hole to connect adjacent steel pipe sheets, and shear pins are arranged in the shear pin holes to connect the adjacent steel pipe sheets.

In a preferred embodiment of the present utility model, the steel pipe pieces are provided with at least six groups, and the radians of adjacent steel pipe pieces are the same.

In a preferred embodiment of the present utility model, the first and second longitudinal bolt holes are uniformly distributed along the circumferential direction of the steel pipe sheet.

In a preferred embodiment of the present utility model, the shear pin hole forms a concave cavity shape matching the shape of the shear pin, the concave cavity comprises a cavity bottom, a cavity body and a cavity opening, and the inner diameters of the cavity bottom, the cavity body and the cavity opening are gradually increased.

In a preferred embodiment of the present utility model, two sides of the end of the shear pin hole are provided with side plates corresponding to the second connecting end surfaces of the adjacent steel pipe sheets.

In a preferred embodiment of the present utility model, an adhesive layer is further disposed on the wall surface of the cavity of the shear pin hole.

The beneficial effects of the utility model are as follows: according to the lining ring steel pipe piece stable connection structure, the adjacent steel pipe pieces are connected through the corresponding connection end faces rapidly, so that the stable stress capability of the pipe pieces can be ensured, the spliced pipe pieces are not easy to misplacement and separation, and the connection stability and reliability are ensured.

Drawings

For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:

FIG. 1 is a schematic view of a structure of a preferred embodiment of a lining ring steel sheet steady connection structure of the present utility model;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a bottom view of FIG. 1;

FIG. 4 is a schematic view of a shear pin hole of a stable connection structure of a lining ring steel pipe sheet according to a preferred embodiment of the present utility model;

the components in the drawings are marked as follows:

100. the steel pipe sheet 110 has a first connecting end face, 120, a second connecting end face,

200. first longitudinal bolt holes, 300, second longitudinal bolt holes, 400, shear pin holes,

410. cavity bottom, 420, cavity body, 430, cavity mouth, 440, side plates, 450, adhesive layer.

Detailed Description

The following description of the technical solutions in the embodiments of the present utility model will be clear and complete, and it is obvious that the described embodiments 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.

The embodiment of the utility model comprises the following steps: for the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. 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.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, the azimuth or positional relationship indicated by the terms "front", "rear", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship in which the inventive product is conventionally put in use, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and therefore, should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature may include first and second features directly contacting each other, either above or below a second feature, or through additional features contacting each other, rather than directly contacting each other. Moreover, the first feature being above, over, and on the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being below, beneath, and beneath the second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is less level than the second feature.

Referring to fig. 1 to 4, an exemplary embodiment of a stable connection structure for lining ring steel pipe sheets is provided.

A lining ring steel pipe sheet stable connection structure, comprising: several sets of steel pipe sheets 100 are spliced together. The steel pipe sheets 100 are provided with at least six groups, and the radians of adjacent steel pipe sheets 100 are the same.

In this embodiment, the steel pipe sheet 100 preferably has a first connecting end face 110 and a second connecting end face 120, the first connecting end face 110 of the upper ring steel pipe sheet 100 is engaged with the first connecting end face 110 of the lower ring steel pipe sheet 100, and the second connecting end face 120 of the upper ring steel pipe sheet 100 is engaged with the second connecting end face 120 of the lower ring steel pipe sheet 100.

In this embodiment, preferably, a first longitudinal bolt hole 200 is provided on the first connecting end surface 110 of the steel pipe sheet 100, a second longitudinal bolt hole 300 and a shear pin hole 400 are provided on the second connecting end surface 120 of the steel pipe sheet 100, positioning bolts are provided in the first longitudinal bolt hole 200 and the second longitudinal bolt hole 300 to connect adjacent steel pipe sheets 100, and shear pins are provided in the shear pin hole 400 to connect adjacent steel pipe sheets.

When two steel pipe sheets are assembled, the first connecting end face 110 of the upper steel pipe sheet 100 corresponds to the first connecting end face 110 of the lower steel pipe sheet 100, the second connecting end face 120 of the upper steel pipe sheet 100 corresponds to the second connecting end face 120 of the lower steel pipe sheet 100, and the corresponding first longitudinal bolt hole 200, second longitudinal bolt hole 300 and shear pin hole 400 are aligned before the lower steel pipe sheet 100 is assembled.

In this embodiment, preferably, the first longitudinal bolt holes 200 and the second longitudinal bolt holes 300 are uniformly distributed along the circumferential direction of the steel pipe sheet 100, adjacent steel pipe sheets 100 are combined together, and positioning bolts are arranged in the first longitudinal bolt holes 200 and the second longitudinal bolt holes 300, so as to play a role in connection and fastening.

In this embodiment, preferably, the shear pin hole 400 forms a concave cavity shape matching with the shear pin, the concave cavity includes a cavity bottom 410, a cavity body 420 and a cavity mouth 430, and the inner diameters of the cavity bottom 410, the cavity body 420 and the cavity mouth 430 are gradually increased, so that the segment can be ensured to have stable stress capability, the spliced segment is not easy to be dislocated and separated, and the connection is ensured to be stable and reliable.

The two sides of the end of the shear pin hole 400 are provided with side plates 440 corresponding to the second connecting end surfaces 120 of the adjacent steel pipe sheets 100, and the side plates 440 can enhance the shearing resistance of the adjacent steel pipe sheets at the joint of the shear pins.

The concave cavity wall surface of the shear pin hole 400 is also provided with an adhesive layer 450, and the shear pin is inserted into the corresponding shear pin hole during installation, so that the stable installation of the shear pin is ensured, and meanwhile, the secondary fixation of the shear pin is realized through the adhesive layer, so that the rapid and stable assembly of the second connecting end surface of the steel pipe sheet is ensured.

The lining ring steel pipe sheet stable connection structure has the beneficial effects that:

adjacent steel pipe pieces are connected through corresponding connecting end faces fast, so that stable stress capability of the pipe pieces can be guaranteed, dislocation separation of the spliced pipe pieces is not easy to occur, and connection stability and reliability are guaranteed.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present utility model.

Claims

1. The utility model provides a lining ring steel pipe piece firm connection structure which characterized in that includes: a plurality of groups of steel pipe sheets spliced together,

2. The lining ring steel pipe sheet stable connection structure according to claim 1, wherein at least six groups of steel pipe sheets are provided, and the radians of adjacent steel pipe sheets are the same.

3. The lining ring steel pipe sheet stable connection structure according to claim 1, wherein the first longitudinal bolt holes and the second longitudinal bolt holes are uniformly distributed along the circumferential direction of the steel pipe sheet.

4. The stable connection structure of the steel pipe sheet of the lining ring according to claim 1, wherein the shear pin hole is formed in a concave cavity shape matched with the shape of the shear pin, the concave cavity comprises a cavity bottom, a cavity body and a cavity opening, and the inner diameters of the cavity bottom, the cavity body and the cavity opening are gradually increased.

5. The steady connecting structure of steel pipe sheet of lining ring as set forth in claim 4, characterized in that both sides of the end of the shear pin hole are provided with side plates corresponding to the second connecting end face of the adjacent steel pipe sheet.

6. The stable connection structure for steel pipe sheets of lining rings according to claim 1, wherein an adhesive layer is further arranged on the wall surface of the concave cavity of the shear pin hole.