CN220929400U - Shield segment convenient to assemble - Google Patents
Shield segment convenient to assemble Download PDFInfo
- Publication number
- CN220929400U CN220929400U CN202322422838.7U CN202322422838U CN220929400U CN 220929400 U CN220929400 U CN 220929400U CN 202322422838 U CN202322422838 U CN 202322422838U CN 220929400 U CN220929400 U CN 220929400U
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- segments
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- 230000002787 reinforcement Effects 0.000 claims abstract description 71
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 31
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
The utility model provides a shield segment convenient to assemble, which comprises a first reinforcement and a second reinforcement which are fixedly connected with the segment, wherein the first reinforcement is used for connecting two segments in the axial direction, a plurality of first limit grooves used for being embedded into the first reinforcement are respectively arranged on two arc-shaped side surfaces of the segment, the second reinforcement is used for connecting two segments in the circumferential direction, a second limit groove and a third limit groove used for being embedded into the second reinforcement are respectively arranged on the other two side surfaces of the segment, the joint strength is high, the segments in the circumferential direction are connected through the embedded second reinforcement, the segments in the axial direction are connected through the embedded first reinforcement, the parts of the first reinforcement and the second reinforcement, which are embedded into the segments, are respectively provided with a first reinforcing plate and a positioning plate, and are used for connecting the inner walls of the two segments, and the sealing performance is good.
Description
Technical Field
The utility model relates to the technical field of shield tunnel segments, in particular to a shield segment convenient to assemble.
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 shield segment is a permanent lining structure of the tunnel by a shield method, and the quality of the shield segment is directly related to the overall quality and safety of the tunnel, so that the waterproof performance and the durability of the tunnel are affected.
When the shield segments are used, the two groups of shield segments are connected by the bolts which are obliquely arranged, but the joint strength and the sealing performance of the two groups of segments are poor in the connection mode, and the phenomenon of tunnel collapse is easily caused by geological vibration after the use.
Disclosure of utility model
The utility model aims to overcome the defects of the prior art, provide a shield segment which is convenient to assemble, and solve the problem of poor strength of the joint of the shield segment.
For this purpose, the utility model adopts the following technical scheme:
The utility model provides a shield constructs section of jurisdiction of convenient assembling, includes with section of jurisdiction fixed connection's first reinforcement and second reinforcement, first reinforcement is used for connecting axial two the section of jurisdiction, two arc sides of section of jurisdiction are equipped with respectively and are used for the gomphosis a plurality of first spacing grooves of first reinforcement, the second reinforcement is used for connecting two in the hoop the section of jurisdiction, other two sides of section of jurisdiction are equipped with respectively and are used for the gomphosis second spacing groove and the third spacing groove of second reinforcement.
On the basis of adopting the technical scheme, the utility model can also adopt the following further technical schemes or use the further technical schemes in combination:
the first reinforcement is including laminating in the first reinforcing plate of the inner wall of section of jurisdiction, be equipped with above the first reinforcing plate with the second reinforcing plate of the laminating of the arc side of section of jurisdiction, first reinforcing plate with the cross-section that the second reinforcing plate constitutes is T shape, the both sides face of second reinforcing plate is equipped with a plurality of grafting pieces respectively, the grafting piece with first spacing groove assorted, just the grafting piece of second reinforcing plate both sides face inserts two respectively in the first spacing groove of section of jurisdiction.
The pipe piece is characterized in that the inserting block and the first reinforcing plate are respectively and correspondingly provided with a first connecting hole which is communicated, the inner wall of the pipe piece is provided with through holes which are in one-to-one correspondence with the first connecting holes, the through holes are communicated with the first limiting grooves, and a first fastening connecting piece matched with the first connecting holes sequentially penetrates through the first reinforcing plate, the through holes of the pipe piece and the inserting block in the first limiting grooves, so that the first reinforcing piece and the pipe piece are fixed.
The second reinforcement comprises a positioning plate and a positioning block, a rib plate is arranged between the positioning plate and the positioning block, the cross section formed by the positioning block, the rib plate and the positioning plate is I-shaped, and the positioning block and the positioning plate are respectively inserted into the second limiting groove and the third limiting groove which are formed by splicing the two duct pieces.
The locating plate is provided with a plurality of through second connecting holes, the inner wall of the third limiting groove is provided with a plurality of third connecting holes corresponding to the second connecting holes one by one, and a second fastening connecting piece matched with the second connecting holes sequentially penetrates through the locating plate and the third limiting groove until the pipe piece is connected, so that the second reinforcing piece and the pipe piece are fixed.
The plug-in block is a cylinder with an oval cross section, and the shape of the first limit groove is matched with that of the plug-in block.
The locating piece is characterized in that the two sides of the locating piece are arc surfaces, the third limiting groove is an inwards removed groove, the locating plate is matched with the third limiting groove in shape, and the locating plate is arranged in the third limiting groove and does not protrude out of the inner wall of the duct piece.
The side surface of the second reinforcing plate is aligned with the arc-shaped side surface of the duct piece, and the side surface and the arc-shaped side surface of the second reinforcing plate are identical in shape.
Compared with the prior art, the utility model has the following advantages: the joint strength is high, and the pipe piece of hoop is connected through embedded second reinforcement, and axial pipe piece is connected through the first reinforcement that can gomphosis, and the part of first reinforcement and second reinforcement embedding pipe piece all is equipped with first gusset plate, locating plate respectively through screw and pipe piece fastening connection, and first reinforcement and second reinforcement for connect the inner wall of two pipe pieces, the leakproofness is better.
Drawings
FIG. 1 is a schematic structural view of a segment of the present utility model connected to a first reinforcement member and a second reinforcement member;
FIG. 2 is a schematic cross-sectional view of a segment and a first reinforcement according to the present utility model;
FIG. 3 is a top view of a second reinforcement member of the present utility model;
FIG. 4 is a schematic view of the connection of a segment to a first reinforcement member according to the present utility model;
FIG. 5 is a schematic three-dimensional structure of a first reinforcement member according to the present utility model;
Fig. 6 is a schematic three-dimensional structure of a second reinforcement portion of the present utility model.
Detailed Description
For a better understanding of the technical solutions of the present utility model by those skilled in the art, a preferred embodiment of the present utility model is described below with reference to specific examples, which are illustrated in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar functional elements throughout, but it is understood that the drawings are for illustrative purposes only and are not to be construed as limiting the utility model; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted in order to illustrate the utility model only and not to limit the utility model.
The utility model is further illustrated by the following figures and examples, which are not intended to be limiting.
The shield segment convenient to assemble comprises a first reinforcing member 2 and a second reinforcing member 3 which are fixedly connected with the segment 1, wherein the first reinforcing member 2 is used for connecting two segments 1 in the axial direction, a plurality of first limit grooves 11 used for being embedded into the first reinforcing member 2 are respectively arranged on two arc-shaped side surfaces of the segment 1, the second reinforcing member 3 is used for connecting two segments 1 in the circumferential direction, and a second limit groove 13 and a third limit groove 15 used for being embedded into the second reinforcing member 3 are respectively arranged on the other two side surfaces of the segment 1.
As shown in fig. 4 and fig. 5, the first reinforcement 2 includes a first reinforcement plate 24 attached to the inner wall of the segment 1, a second reinforcement plate 21 attached to the arc-shaped side surface of the segment 1 is disposed on the first reinforcement plate 24, the cross section formed by the first reinforcement plate 24 and the second reinforcement plate 21 is T-shaped, two side surfaces of the second reinforcement plate 21 are respectively provided with a plurality of plug blocks 22, as shown in fig. 1 and fig. 2, the plug blocks 22 are matched with the first limit grooves 11, and the plug blocks 22 on two side surfaces of the second reinforcement plate 21 are respectively inserted into the first limit grooves 11 of the two axial segment 1.
In this embodiment, two axisymmetric plug-in blocks 22 are respectively disposed on two sides of the second reinforcing plate 21, and correspondingly, two first limiting grooves 11 are disposed on the arc-shaped side of the segment 1.
As shown in fig. 4 and fig. 5, the insertion block 22 and the first reinforcing plate 24 are respectively and correspondingly provided with a first through hole 23, as shown in fig. 2, the inner wall of the duct piece 1 is provided with through holes 12 corresponding to the first through holes 23 one by one, the through holes 12 are communicated with the first limiting grooves 11, and the first fastening connectors matched with the first through holes 23 sequentially penetrate through the first reinforcing plate 24, the through holes 12 of the duct piece 1 and the insertion block 22 in the first limiting grooves 11, so that the first reinforcing member 2 and the duct piece 1 are fixed.
The first fastening connection is screwed with the plug-in block 22.
As shown in fig. 3 and fig. 6, the second reinforcement 3 includes a positioning plate 31 and a positioning block 32, a rib 34 is arranged between the positioning plate 31 and the positioning block 32, the cross section formed by the positioning block 32, the rib 34 and the positioning plate 31 is i-shaped, as shown in fig. 1 and fig. 4, the positioning block 32 and the positioning plate 31 are respectively inserted into the second limiting groove 13 and the third limiting groove 15 which are spliced by the two duct pieces 1.
The locating plate 31 is provided with a plurality of through second connecting holes 33, the inner wall of the third limit groove 15 of the duct piece 1 is provided with third connecting holes corresponding to the second connecting holes 33 one by one, and the second fastening connecting piece matched with the second connecting holes 33 sequentially passes through the locating plate 31 and the third limit groove 15 until being connected with the third connecting holes of the duct piece 1, so that the second reinforcing member 3 and the duct piece 1 are fixed.
The second fastening connection piece can be connected with the connecting duct piece 1 by an anchor bolt or by a thread, and an embedded piece with a third connecting hole is embedded in the duct wall.
In actual use, the positioning plate 31 is provided with at least 3 second connecting holes 33, i.e. two ends and the middle of the positioning plate 31 are respectively provided with one second connecting hole 33, and the number of the second connecting holes 33 can be moderately increased according to the length of the duct piece 1 and the required connection firmness degree.
The plug-in block 22 is a cylinder with an oval cross section, and the shape of the first limit groove 11 is matched with the plug-in block 22.
The two sides of the positioning block 32 are arc surfaces, the third limiting groove 15 is an inwards removed groove, the positioning plate 31 is matched with the shape of the third limiting groove 15, and the positioning plate 31 is arranged in the third limiting groove 15 and does not protrude out of the inner wall of the duct piece 1.
The positioning block 32 in this embodiment is in interference fit with the second limiting groove 13.
The side surfaces of the second reinforcing plates 21 are aligned with the arc-shaped side surfaces of the segment 1 and the same shape.
The assembly sequence of the shield segment convenient to assemble is as follows:
Connecting two circumferential segments 1 with a second reinforcement 3
Pushing the second reinforcement 3 into the second limit grooves 13 of the two duct pieces 1, wherein the positioning plate 31 of the second reinforcement 3 is positioned in the third limit groove 15 of the two duct pieces 1, the second connecting holes 33 on the positioning plate 31 are aligned with the connecting holes on the duct pieces 1, and the second reinforcement 3 and the duct pieces 1 are connected by using a second fastening connecting piece;
the first reinforcement 2 is arranged on the arc-shaped side surface of the pipe piece 1
Aligning the two plug blocks 22 on one side of the first reinforcement 2 with the first limit groove 11 of the duct piece 1, when the plug blocks 22 are immersed into the first limit groove 11, the protruding cambered surface of the first reinforcement plate 24 of the first reinforcement 2 is clung to the inner wall of the duct piece 1, the second reinforcement plate 21 is clung to the cambered side surface of the duct piece 1, at the moment, the first connection holes 23 of the first reinforcement plate 24 and the plug blocks 22 are aligned with the through holes 12 between the two, and the first fastening connection pieces matched with the first connection holes 23 sequentially penetrate through the first reinforcement plate 24, the through holes 12 of the duct piece 1 and the plug blocks 22 in the first limit groove 11, so that the first reinforcement 2 and the duct piece 1 on one side are fixed;
Assembling other duct pieces
Since the second reinforcement 3 after being installed is located between the first reinforcement 2 at both ends in the axial direction, it is necessary to pay attention to the installation order of the second reinforcement 3 of the same segment 1 before the first reinforcement 2, and other segments 1 in the circumferential and axial directions may be assembled according to the step one and the step two.
According to the description of the utility model and the accompanying drawings, one skilled in the art can easily manufacture or use the shield segment which is convenient to assemble and can produce the positive effects described by the utility model.
It is noted that the terms "comprising" and "having" and any variations thereof in the description of the utility model and the claims and the foregoing drawings are intended to cover non-exclusive inclusions. The terms "mounted," "configured," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two mechanisms, elements, or components. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present utility model, it should be understood that the terms "one end," "another end," "outer side," "inner side," "horizontal," "end," "length," "outer end," "left," "right," and the like indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the mechanisms or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. The terms "first," "second," and the like, are also used for simplicity of description only and are not indicative or implying relative importance.
Furthermore, variations to the disclosed embodiments can be understood and effected by those skilled in the art in practicing the claimed utility model, from a study of the drawings, the disclosure, and the appended claims. Furthermore, in the claims, the specification, the words "comprise", "comprising", and the like do not exclude other elements or steps, and the non-plural terms do not exclude a plurality.
The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, i.e. all equivalent changes and modifications that may be made in accordance with the present utility model are covered by the appended claims, which are not intended to be construed as limiting.
Claims (8)
1. The utility model provides a shield constructs section of jurisdiction of convenient assembling, its characterized in that, include with section of jurisdiction (1) fixed connection's first reinforcement (2) and second reinforcement (3), first reinforcement (2) are used for connecting axial two section of jurisdiction (1), two arc sides of section of jurisdiction (1) are equipped with respectively and are used for the gomphosis a plurality of first spacing groove (11) of first reinforcement (2), second reinforcement (3) are used for connecting two in the hoop section of jurisdiction (1), other two sides of section of jurisdiction (1) are equipped with respectively and are used for the gomphosis second spacing groove (13) and third spacing groove (15) of second reinforcement (3).
2. The shield segment convenient to assemble according to claim 1, wherein the first reinforcement (2) comprises a first reinforcement plate (24) attached to the inner wall of the segment (1), a second reinforcement plate (21) attached to the arc-shaped side surface of the segment (1) is arranged on the first reinforcement plate (24), the cross section formed by the first reinforcement plate (24) and the second reinforcement plate (21) is in a T shape, a plurality of plug blocks (22) are respectively arranged on two side surfaces of the second reinforcement plate (21), the plug blocks (22) are matched with the first limit grooves (11), and the plug blocks (22) on two side surfaces of the second reinforcement plate (21) are respectively inserted into the first limit grooves (11) of the two axial segment (1).
3. A shield segment convenient to assemble according to claim 2, wherein the insertion blocks (22) and the first reinforcing plates (24) are respectively provided with first through connecting holes (23) correspondingly, the inner walls of the segments (1) are provided with through holes (12) corresponding to the first connecting holes (23) one by one, the through holes (12) are communicated with the first limit grooves (11), and first fastening connectors matched with the first connecting holes (23) sequentially penetrate through the first reinforcing plates (24), the through holes (12) of the segments (1) and the insertion blocks (22) in the first limit grooves (11), so that the first reinforcing members (2) and the segments (1) are fixed.
4. The shield segment convenient to assemble according to claim 1, wherein the second reinforcement (3) comprises a positioning plate (31) and a positioning block (32), a rib plate (34) is arranged between the positioning plate (31) and the positioning block (32), the cross section formed by the positioning block (32), the rib plate (34) and the positioning plate (31) is I-shaped, and the positioning block (32) and the positioning plate (31) are respectively inserted into the second limiting groove (13) and the third limiting groove (15) which are spliced by the two segments (1).
5. The shield segment convenient to assemble according to claim 4, wherein a plurality of through second connecting holes (33) are formed in the positioning plate (31), third connecting holes corresponding to the second connecting holes (33) one by one are formed in the inner wall of the third limiting groove (15) of the segment (1), and second fastening connectors matched with the second connecting holes (33) sequentially penetrate through the positioning plate (31) and the third limiting groove (15) until the segment (1) is connected, so that the second reinforcing member (3) and the segment (1) are fixed.
6. A shield segment convenient to assemble according to claim 2, wherein the insertion block (22) is a cylinder with an oval cross section, and the shape of the first limit groove (11) is matched with the insertion block (22).
7. The shield segment convenient to assemble according to claim 4, wherein the two sides of the positioning block (32) are arc surfaces, the third limiting groove (15) is an inwards removed groove, the positioning plate (31) is matched with the shape of the third limiting groove (15), and the positioning plate (31) is arranged in the third limiting groove (15) and does not protrude out of the inner wall of the segment (1).
8. A shield segment for facilitating splicing according to claim 2, wherein the side of the second reinforcing plate (21) is aligned with the arcuate side of the segment (1) and is the same shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322422838.7U CN220929400U (en) | 2023-09-07 | 2023-09-07 | Shield segment convenient to assemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322422838.7U CN220929400U (en) | 2023-09-07 | 2023-09-07 | Shield segment convenient to assemble |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220929400U true CN220929400U (en) | 2024-05-10 |
Family
ID=90933596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322422838.7U Active CN220929400U (en) | 2023-09-07 | 2023-09-07 | Shield segment convenient to assemble |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220929400U (en) |
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2023
- 2023-09-07 CN CN202322422838.7U patent/CN220929400U/en active Active
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