Pipe piece connecting structure

Abstract

The utility model relates to a duct piece connecting structure which comprises a duct piece body, two connecting insertion frames are fixedly connected to the upper end of the duct piece body, a first limiting mechanism is arranged at the front end of each connecting insertion frame, and two first fixing frames are arranged at the lower end of the duct piece body. A rotating rod which penetrates through the first fixing frame and is rotationally connected with the penetrating part through a bearing is arranged in the first fixing frame, limiting circular plates are fixedly connected to the two ends of the rotating rod, a plurality of positioning holes which are evenly distributed in the circumferential direction are formed in the surfaces of the limiting circular plates, and the limiting circular plates are connected with the first fixing frame through a second limiting mechanism; the surface of the rotating rod is fixedly connected with a connecting plate fixedly connected with the lower end of the duct piece body, and the lower end of the first fixing frame is fixedly connected with a connecting inserting plate slidably connected with the inner wall of the connecting inserting frame. Compared with a traditional bolt connecting mode, the duct piece connecting structure is more convenient to install, the using angle of the duct piece can be adjusted according to requirements after installation, and the duct piece connecting structure is practical.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel segments, in particular to a segment connection structure. Background Technique

[0002] A shield tunnel segment is a component used in shield tunnel construction, also known as a tunnel lining segment or a tunnel arch segment. During the process of a shield machine excavating a tunnel, the segments are installed one by one on the soil behind the excavation face through the rear propulsion device to form the inner lining of the tunnel. Shield tunnel segments are usually made of precast concrete, with specific shapes and sizes. Each segment usually has a certain length and width and can be connected to adjacent segments to form a continuous segment ring.

[0003] When connecting existing shield tunnel segments, most of them need to be connected by bolts. On the one hand, bolt connection requires a lot of time and manpower, and the construction speed is slow. On the other hand, after bolt connection, the use angle of the shield tunnel segments cannot be adjusted according to actual needs, which has certain limitations. Therefore, we propose a segment connection structure. Summary of the Utility Model

[0004] The utility model provides a segment connection structure, which solves the technical problems raised in the background technique of the prior art.

[0005] The solution of the utility model to the above technical problems is as follows: It includes a segment body. Two connection insertion frames are fixedly connected to the upper end of the segment body. A limiting mechanism I is arranged at the front end of the connection insertion frame. Two fixing frames I are arranged at the lower end of the segment body. A rotating rod passing through the fixing frame I and rotatably connected to the passing part through a bearing is arranged inside the fixing frame I. Limiting circular plates are fixedly connected to both ends of the rotating rod. A plurality of positioning holes evenly distributed in a circumferential manner are arranged on the surface of the limiting circular plate. The limiting circular plate is connected to the fixing frame I through a limiting mechanism II. A connecting plate fixedly connected to the lower end of the segment body is fixedly connected to the surface of the rotating rod. A connection insertion plate slidably connected to the inner wall of the connection insertion frame is fixedly connected to the lower end of the fixing frame I. A limiting through groove is arranged on the surface of the connection insertion plate.

[0006] On the basis of the above technical solution, the utility model can be further improved as follows.

[0007] Further, the limiting mechanism I includes a fixing frame II fixedly connected to the surface of the connection insertion frame. A limiting insertion plate passing through the connection insertion frame and slidably connected to the passing part is arranged inside the fixing frame II.

[0008] Further, the limiting insertion plate is slidably connected to the inner wall of the limiting through groove. A threaded groove is arranged inside the limiting insertion plate. A moving screw is threadedly connected inside the threaded groove.

[0009] Further, the movable screw penetrates through the second fixing frame and is rotatably connected to the penetrated part through a bearing. One end of the movable screw is fixedly connected with a second rotary cap. Both inner side surfaces of the second fixing frame are provided with limiting sliding grooves, and the inner wall of the limiting sliding groove is slidably connected with a limiting slider, and the limiting slider is fixedly connected to the surface of the limiting insertion plate.

[0010] Further, the second limiting mechanism includes a fixing plate fixedly connected to the first fixing frame, and a first rotary cap is arranged at the lower end of the fixing plate.

[0011] Further, a positioning screw fixedly connected to the upper end of the first rotary cap and threadedly connected to the penetrated part through the fixing plate is slidably connected inside the positioning hole.

[0012] The beneficial effects of the present utility model are as follows: The present utility model provides a segment connection structure, which has the following advantages:

[0013] Through the cooperative action among the provided connection insertion plate, limiting through groove, connecting plate, rotating rod, first fixing frame, limiting circular plate, positioning hole, first limiting mechanism, second limiting mechanism and connection insertion frame, on the one hand, it is convenient to limit and connect two segment bodies, and on the other hand, after the two segment bodies are limited and connected, the use angle of the segment body can be limited and adjusted, improving the practicability.

[0014] The above description is only an overview of the technical solution of the present utility model. In order to be able to understand the technical means of the present utility model more clearly and implement it in accordance with the content of the description, the following takes the preferred embodiments of the present utility model and combines with the attached drawings to describe in detail as follows. The specific implementation manners of the present utility model are given in detail by the following embodiments and their attached drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The attached drawings described herein are used to provide a further understanding of the present utility model, and constitute a part of this application. The schematic embodiments of the present utility model and their descriptions are used to explain the present utility model and do not constitute an improper limitation to the present utility model. In the drawings:

[0016] Figure 1 is a schematic structural diagram of a segment connection structure provided by an embodiment of the present utility model;

[0017] Figure 2 is Figure 1 a partially enlarged schematic structural diagram of a segment connection structure provided;

[0018] Figure 3 is Figure 1 a schematic top cross-sectional view of the connection insertion frame in a segment connection structure provided.

[0019] In the drawings, the list of components represented by each reference numeral is as follows:

[0020] 1. Segment body; 2. Connecting plug board; 3. Limit through groove; 4. Connecting plate; 5. Rotating rod; 6. First fixing frame; 7. Limit circular plate; 8. Positioning hole; 9. Positioning screw; 10. First rotating cap; 11. Fixed plate; 12. Connecting plug frame; 13. Second fixing frame; 14. Second rotating cap; 15. Moving screw; 16. Thread groove; 17. Limit plug board; 18. Limit sliding groove; 19. Limit sliding block. Detailed implementation manner

[0021] The following combines the attached Figures 1-3 The principles and features of the present invention will be described below. The examples given are only used to explain the present invention and are not intended to limit the scope of the present invention. In the following paragraphs, the present invention will be described more specifically by way of example with reference to the accompanying drawings. According to the following description and the claims, the advantages and features of the present invention will be clearer. It should be noted that the drawings are all in a very simplified form and use non-precise scales, only for the purpose of facilitating and clearly assisting in explaining the purpose of the embodiments of the present invention.

[0022] It should be noted that when a component is referred to as "fixed to" another component, it can be directly on the other component or there may also be an intermediate component. When a component is considered to be "connected" to another component, it can be directly connected to the other component or there may be an intermediate component at the same time. When a component is considered to be "disposed on" another component, it can be directly disposed on the other component or there may be an intermediate component at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are only for the purpose of illustration.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which the present invention belongs. The terms used in the description of the present invention herein are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0024] Such as Figures 1-3As shown in the figure, the utility model provides a segment connection structure, which includes a segment body 1. Two connection insertion frames 12 are fixedly connected to the upper end of the segment body 1. A first limiting mechanism is arranged at the front end of the connection insertion frame 12. Two first fixing frames 6 are arranged at the lower end of the segment body 1. A rotating rod 5 is arranged inside the first fixing frame 6 and is rotatably connected to the penetrating part through a bearing. Limiting circular plates 7 are fixedly connected to both ends of the rotating rod 5. A plurality of positioning holes 8 evenly distributed in a circumferential manner are formed on the surface of the limiting circular plate 7. The limiting circular plate 7 is connected to the first fixing frame 6 through a second limiting mechanism. A connecting plate 4 fixedly connected to the lower end of the segment body 1 is fixedly connected to the surface of the rotating rod 5. A connection insertion plate 2 slidably connected to the inner wall of the connection insertion frame 12 is fixedly connected to the lower end of the first fixing frame 6. A limiting through groove 3 is formed on the surface of the connection insertion plate 2.

[0025] Preferably, the first limiting mechanism includes a second fixing frame 13 fixedly connected to the surface of the connection insertion frame 12. A limiting insertion plate 17 is arranged inside the second fixing frame 13 and is slidably connected to the penetrating part through the connection insertion frame 12. The arrangement of the limiting insertion plate 17 can cooperate with the limiting through groove 3 to limit the connection insertion plate 2 inside the connection insertion frame 12.

[0026] Preferably, the limiting insertion plate 17 is slidably connected to the inner wall of the limiting through groove 3. A threaded groove 16 is formed inside the limiting insertion plate 17. A moving screw rod 15 is threadedly connected to the threaded groove 16. The arrangement of the moving screw rod 15 can cooperate with the threaded groove 16 to move the limiting insertion plate 17.

[0027] Preferably, the moving screw rod 15 penetrates through the second fixing frame 13 and is rotatably connected to the penetrating part through a bearing. A second rotating cap 14 is fixedly connected to one end of the moving screw rod 15. Limiting sliding grooves 18 are formed on both side surfaces inside the second fixing frame 13. Limiting sliding blocks 19 are slidably connected to the inner walls of the limiting sliding grooves 18. The limiting sliding blocks 19 are fixedly connected to the surface of the limiting insertion plate 17.

[0028] Preferably, the second limiting mechanism includes a fixing plate 11 fixedly connected to the first fixing frame 6. A first rotating cap 10 is arranged at the lower end of the fixing plate 11. The arrangement of the first rotating cap 10 facilitates the staff to rotate the positioning screw rod 9.

[0029] Preferably, a positioning screw rod 9 fixedly connected to the upper end of the first rotating cap 10 penetrates through the fixing plate 11 and is threadedly connected to the penetrating part. The positioning screw rod 9 is slidably connected to the inside of the positioning hole 8.

[0030] The specific working principle and usage method of the utility model are as follows:

[0031] The utility model provides a segment connection structure. During use, two connection insertion plates 2 at the lower end of the segment body 1 are respectively inserted into two connection insertion frames 12 at the upper end of another segment body 1. After insertion, the moving screw 15 is rotated by rotating the second rotating cap 14 at the front end of the connection insertion frame 12, and then the limiting insertion plate 17 slides through the cooperation of the thread groove 16, so that the limiting insertion plate 17 slides into the inner wall of the limiting through groove 3 opened on the surface of the connection insertion plate 2, enabling the connection insertion plate 2 and the connection insertion frame 12 to be limit-connected, thereby completing the limit connection installation between two segment bodies 1. When the use angle of the segment body 1 needs to be adjusted, by respectively rotating the first rotating caps 10 on both sides of the first fixing frame 6, the first rotating caps 10 drive the positioning screw 9 to rotate, separating the positioning screw 9 from the positioning hole 8, and then the segment body 1 can rotate under the action of the connecting plate 4 and the rotating rod 5, and the use angle of the segment body 1 can be adjusted. After adjusting to a suitable angle, the positioning screw 9 is slid into the positioning hole 8 by reversing the first rotating cap 10, so that the limiting circular plate 7 is limited, thereby limiting the segment body 1 with the adjusted angle, improving the practicability.

[0032] The above is only a preferred embodiment of the present utility model, and does not impose any form of limitation on the present utility model; any ordinary technician in the industry can smoothly implement the present utility model according to the illustrations in the specification and the above description; however, any equivalent changes such as slight modifications, decorations, and evolutions made by those skilled in the art within the scope of the technical solution of the present utility model by using the technical content disclosed above are equivalent embodiments of the present utility model; at the same time, any equivalent changes, modifications, and evolutions made to the above embodiments based on the essential technology of the present utility model still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A segment connection structure, comprising a segment body (1), characterized in that: The upper end of the segment body (1) is fixedly connected to two connection plug-in frames (12), and a limiting mechanism 1 is arranged at the front end of the connection plug-in frame (12). The lower end of the segment body (1) is provided with two fixing frames 1 (6). A rotating rod (5) is arranged inside the fixing frame 1 (6) and penetrates the fixing frame 1 (6) and is rotatably connected to the penetrating portion via a bearing. Both ends of the rotating rod (5) are fixedly connected to a limiting circular plate (7), and a plurality of positioning holes (8) uniformly distributed in a circumference are provided on the surface of the limiting circular plate (7). The limiting circular plate (7) is connected to the fixing frame 1 (6) via a limiting mechanism 2. A connecting plate (4) fixedly connected to the lower end of the segment body (1) is fixedly connected to the surface of the rotating rod (5). The lower end of the fixing frame 1 (6) is fixedly connected to a connecting plug-in plate (2) slidably connected to the inner wall of the connection plug-in frame (12), and a limiting through groove (3) is provided on the surface of the connecting plug-in plate (2).

2. A pipe segment connection structure according to claim 1, characterized in that: The first limiting mechanism comprises a second fixing frame (13) fixedly connected to the surface of the connecting plug-in frame (12), and a limiting plug-in plate (17) penetrating the connecting plug-in frame (12) and slidably connected to the penetrating portion is arranged inside the second fixing frame (13).

3. A pipe segment connection structure according to claim 2, characterized in that: The limiting plug plate (17) is slidably connected to the inner wall of the limiting through groove (3); a thread groove (16) is provided inside the limiting plug plate (17); and a moving screw rod (15) is threadedly connected inside the thread groove (16).

4. A pipe segment connection structure according to claim 3, characterized in that: The movable screw rod (15) passes through the second fixed frame (13) and is rotatably connected to the penetration portion via a bearing. One end of the movable screw rod (15) is fixedly connected to the second rotating cap (14). Both side surfaces inside the second fixed frame (13) are provided with limiting sliding grooves (18). The inner wall of the limiting sliding groove (18) is slidably connected to a limiting sliding block (19). The limiting sliding block (19) is fixedly connected to the surface of the limiting plug plate (17).

5. The pipe segment connection structure according to claim 1, characterized in that: The second limiting mechanism comprises a fixing plate (11) fixedly connected to a fixing frame (6), and a rotating cap (10) is arranged at the lower end of the fixing plate (11).

6. A pipe segment connection structure according to claim 5, characterized in that: The upper end of the rotating cap (10) is fixedly connected with a positioning screw (9) which penetrates the fixing plate (11) and is threadedly connected to the penetration portion, and the positioning screw (9) is slidably connected to the inside of the positioning hole (8).

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