Embedded part for shield or jacking pipe piece connection

Abstract

The utility model discloses an embedded part for shield or jacking pipe piece connection, and belongs to the technical field of shield or jacking pipe piece connection. The embedded part comprises a first embedded part and a second embedded part which are embedded in the two adjacent pipe jacking piece connecting foundations respectively, the first embedded part and the second embedded part are correspondingly arranged and connected through a fastener, anchor bars are connected to the first embedded part and the second embedded part in a matched mode, and the anchor bars are fixedly connected with reinforcing steel bars in the corresponding shield or pipe jacking pieces. According to the utility model, the first embedded part and the second embedded part which are arranged at the side parts of the two adjacent shield or jacking pipe sheets are matched with the fasteners to quickly connect the adjacent pipe sheets, so that the operation space can meet the requirements of different working conditions, and the operation is convenient; main bodies of the first embedded part and the second embedded part adopt plane structures of which the upper parts are arc-shaped structures and the two sides are inclined inwards, so that the bonding strength between the first embedded part and the duct piece body structure and between the second embedded part and the duct piece body structure can be improved; connecting threaded holes are formed in the main body and are matched with anchor bars, so that the first embedded part, the second embedded part and the duct piece body structure form a whole.

Description

Technical Field

[0001] The utility model belongs to the technical field of shield or jacking pipe segment connection, and particularly relates to an embedded part for shield or jacking pipe segment connection. Background Art

[0002] In municipal engineering projects, tunnels are generally constructed using the pipe jacking method or shield method. During shield or pipe jacking construction, the pipe jacking segments and the shield tunnel segments need to be assembled to form a complete ring structure. In the conventional assembly method, a frame-shaped connector needs to be set at the junction of two adjacent segments to facilitate the connection of fasteners. However, due to structural limitations, when installing fasteners, in some working conditions, there may be a lack of operating space for fastener installation tools, which makes it inconvenient for operators to operate. Utility Model Content

[0003] In view of the above problems existing in the prior art, the purpose of the present invention is to provide an embedded part for connecting shield or jacking pipe segments, which can realize the rapid assembly between jacking pipe segments and shield tunnel segments.

[0004] The utility model provides the following technical solution: an embedded part for connecting shield or jacking pipe segments, comprising a first embedded part and a second embedded part respectively embedded in the side portions of two adjacent jacking pipe segments, the first embedded part and the second embedded part being correspondingly arranged and connected by fasteners, the first embedded part and the second embedded part being matched with connecting anchor bars, and the anchor bars being fixedly connected to the steel bars in the corresponding shield or jacking pipe segments.

[0005] Furthermore, the first embedded part has the same structure as the second embedded part, and the outer side surface of the main body is a vertical plane structure. A connecting through hole is provided in the middle of the main body for fasteners to pass through, and a group of connecting seats are provided on the outside, and one end of the anchor bar is connected to the connecting seat.

[0006] Furthermore, the outer side surface of the first embedded component body is an inclined surface structure, and the outer side surface of the second embedded component body is an inversely inclined surface structure that matches the outer side surface of the first embedded component body.

[0007] Furthermore, the upper parts of the main bodies of the first embedded part and the second embedded part are arc-shaped structures, and the two sides are planar structures inclined inward.

[0008] Furthermore, there are three connecting seats, one of which is arranged at the upper end of the first embedded part and the second embedded part body, and the other two connecting seats are respectively arranged on both sides of the first embedded part and the second embedded part body.

[0009] Furthermore, the connecting seat is a protruding structure with a connecting threaded hole formed thereon.

[0010] Furthermore, the anchor bar is a threaded steel bar, one end of which is threadedly connected to the connecting threaded hole.

[0011] Furthermore, the threaded opening of the connecting threaded hole is coated with anaerobic sealant.

[0012] By adopting the above technology, compared with the existing technology, the beneficial effects of the present invention are as follows:

[0013] 1) In the present invention, by providing first and second embedded parts on the sides of two adjacent shield or jacking segments, the adjacent segments can be quickly connected in conjunction with fasteners. The operating space can meet the requirements of different working conditions and is easy to operate.

[0014] 2) In the present invention, the main body of the first and second embedded parts has an arc-shaped upper portion and two inwardly inclined planar structures, which can enhance the bonding strength between the first and second embedded parts and the segment body structure. Connecting threaded holes are provided on the main body to cooperate with anchor bars, so that the first and second embedded parts and the segment body structure form a whole.

[0015] 3) The outer side surfaces of the main bodies of the first embedded part and the second embedded part can adopt different structures of vertical surfaces or inclined surfaces, which are suitable for different working conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 Schematic diagram of the assembly structure of the first embedded part / the second embedded part and the pipe segment in this utility model

[0017] Figure 2 This is a schematic diagram of the main structure of the first embedded part / the second embedded part in the first embodiment of the present utility model;

[0018] Figure 3 This is a rear structural diagram of the first embedded part / the second embedded part in the first embodiment of the present utility model;

[0019] Figure 4 This is a side structural diagram of the first embedded part / the second embedded part in the first embodiment of the present utility model;

[0020] Figure 5 This is a side structural diagram of the first embedded part in the second embodiment of the present utility model;

[0021] Figure 6 This is a schematic diagram of the main structure of the first embedded part in the second embodiment of the present utility model;

[0022] Figure 7 This is a rear view of the first embedded part in the second embodiment of the present invention;

[0023] Figure 8This is a side view of the second embedded part in the second embodiment of the present invention;

[0024] Figure 9 This is a schematic diagram of the main structure of the second embedded part in the second embodiment of the present utility model;

[0025] Figure 10 This is a rear view of the second embedded part in the second embodiment of the present invention;

[0026] Figure 11 This is a schematic diagram of the assembly structure of the anchor bar of the utility model. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0028] Rather, the present invention encompasses any alternatives, modifications, equivalents, and solutions within the spirit and scope of the present invention as defined by the claims. Furthermore, to facilitate a better understanding of the present invention, certain specific details are detailed below in the detailed description of the present invention. Those skilled in the art will be able to fully understand the present invention without these details.

[0029] Example 1:

[0030] See also Figure 1-4 A pre-embedded part for connecting shield or jacking pipe segments includes a first pre-embedded part 1 and a second pre-embedded part 2. The first pre-embedded part 1 and the second pre-embedded part 2 are respectively pre-embedded in the sides of two adjacent shield or jacking pipe segments.

[0031] Specifically, the first embedded part 1 and the second embedded part 2 have the same structure and both include a main body, the upper part of the main body is an arc-shaped structure, the two sides are inwardly inclined plane structures, and the outer side is a vertical plane structure; the upper part and both sides of the main body are provided with a connecting seat 4, the connecting seat 4 is provided with a connecting threaded hole 401, and the middle part of the main body is provided with a connecting through hole 3.

[0032] The main bodies of the first embedded part 1 and the second embedded part 2 are connected to the pipe segments through anchor bars. The anchor bars are threaded steel bars. One end of the anchor bar is threadedly screwed into the connecting threaded hole 401, and the other end is welded and fixed to the steel bars in the corresponding shield or jacking pipe segment.

[0033] Two adjacent shields or jacking pipe segments are connected by fasteners such as bolts. The fasteners pass through the connecting through holes 3 on the first embedded part 1 and the second embedded part 2 and are fastened with nuts.

[0034] Specifically, when installing the anchor bolt thread, apply anaerobic sealant.

[0035] Taking the pipe jacking segment connection process as an example, the specific connection process is as follows:

[0036] S1. Pre-embed the first embedded part 1 and the second embedded part 2 in the corresponding side structure of the segment. Connect the first embedded part 1 / the second embedded part 2 with the steel bars in the segment through anchor bars to form an integral structure, and then cast the structure.

[0037] S2. Align the sides of the two cast jacking pipe segments. At this time, the first embedded parts 1 and the second embedded parts 2 on the adjacent segments are positioned correspondingly. Bolts are passed through the connecting parts of the first embedded parts 1 and the second embedded parts 2 at the corresponding positions and tightened with nuts to form a whole. The two segments are connected and assembled into a complete annular jacking pipe.

[0038] The difference between this embodiment and the first embodiment is that:

[0039] The outer side surface of the main body of the first embedded component 1 is an inclined surface structure, and the outer side surface of the main body of the second embedded component 2 is an inversely inclined surface structure that matches the outer side surface of the main body of the first embedded component 1 .

[0040] When in use, the first embedded part 1 and the second embedded part 2 are used in conjunction with each other.

[0041] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An embedded part for connecting shield or jacking pipe segments, characterized by: The invention comprises a first embedded part (1) and a second embedded part (2) respectively embedded in the connection between two adjacent shield or jacking pipe segments, wherein the first embedded part (1) and the second embedded part (2) are arranged correspondingly and connected by a fastener, and the first embedded part (1) and the second embedded part (2) are both matched with anchor bars, and the anchor bars are fixedly connected to the steel bars in the corresponding shield or jacking pipe segments.

2. The embedded part for connecting shield or jacking pipe segments according to claim 1, characterized in that The first embedded part (1) and the second embedded part (2) have the same structure, and the outer side surface of the main body is a vertical plane structure. A connecting through hole (3) is provided in the middle of the main body for facilitating the passage of a fastener, and a group of connecting seats (4) are provided on the outer side thereof, and one end of the anchor bar is connected to the connecting seat (4).

3. The embedded part for connecting shield or jacking pipe segments according to claim 2, characterized in that The outer side surface of the main body of the first embedded part (1) is an inclined surface structure, and the outer side surface of the main body of the second embedded part (2) is a reverse inclined surface structure that matches the outer side surface of the main body of the first embedded part (1).

4. The embedded part for connecting shield or jacking pipe segments according to claim 2 or 3, characterized in that The upper parts of the main bodies of the first embedded part (1) and the second embedded part (2) are arc-shaped structures, and the two sides are inwardly inclined plane structures.

5. The embedded part for connecting shield or jacking pipe segments according to claim 4, characterized in that The number of the connecting seats (4) is three, one of which is arranged at the upper end of the main body of the first embedded part (1) and the second embedded part (2), and the other two connecting seats (4) are respectively arranged on both sides of the main body of the first embedded part (1) and the second embedded part (2).

6. The embedded part for connecting shield or jacking pipe segments according to claim 5, characterized in that The connecting seat (4) is a raised structure, on which a connecting threaded hole (401) is provided.

7. The embedded part for connecting shield or jacking pipe segments according to claim 6, characterized in that The anchor bar is a threaded steel bar, one end of which is threadedly connected to the connecting threaded hole (401).

8. The embedded part for connecting shield or jacking pipe segments according to claim 7, characterized in that The threaded opening of the connecting threaded hole (401) is coated with anaerobic sealant.

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