CN220909703U - Joint connection structure of assembled rectangular-like pipe-jacking pipe piece - Google Patents
Joint connection structure of assembled rectangular-like pipe-jacking pipe piece Download PDFInfo
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- CN220909703U CN220909703U CN202322194299.6U CN202322194299U CN220909703U CN 220909703 U CN220909703 U CN 220909703U CN 202322194299 U CN202322194299 U CN 202322194299U CN 220909703 U CN220909703 U CN 220909703U
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 67
- 239000010959 steel Substances 0.000 claims abstract description 67
- 230000002146 bilateral effect Effects 0.000 claims abstract description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Lining And Supports For Tunnels (AREA)
Abstract
The utility model discloses a joint connection structure of an assembled rectangular-like pipe-jacking segment, which comprises pipe-jacking segments, wherein the pipe-jacking segments comprise tenon pipe-jacking segments and mortise pipe-jacking segments, the tenon pipe-jacking segments and the mortise pipe-jacking segments are fixed by adopting multiple connection structures, each multiple connection structure comprises a butt-jointed structure positioned on an end face, a steel plate structure positioned on the inner side and a connecting piece structure positioned on the outer side, and the multiple connection structures are distributed in a bilateral symmetry manner. The utility model not only can accurately position and assemble, but also can strengthen the capability of resisting environmental deformation; through rectangular pipe jacking atress characteristic analysis, adopt the bolting mode between the steel sheet at the inboard position that bears tensile, not only can satisfy the atress demand but also can take measures and carry out the durability and control, adopt curved bolt to consolidate the effect in the outside position that bears pressure, increased the overall stability and the toughness of structure. The utility model reduces the labor intensity during manual installation, has simple structure and convenient operation, and improves the efficiency.
Description
Technical Field
The utility model belongs to the technical field of assembly type rectangular pipe-jacking tunnel engineering, and particularly relates to a joint connection structure of an assembly type rectangular pipe-jacking pipe piece.
Background
With the continuous expansion of foundation construction in China, especially the development of tunnel construction, the construction of pipe-jacking tunnels is more and more increased. In the pipe-jacking tunnel construction process, in order to ensure the safety of the whole construction of tunnel engineering, prefabricated pipe-jacking segments are generally adopted, and a construction mode of splicing one ring of segments is tunneled. As the pipe jacking technology is mature, the pipe segment size of the used pipe jacking is larger and larger, so that the transportation of the pipe jacking is more difficult, thereby causing the delay of construction period and increasing the construction cost. In order to solve the problem, a connecting structure of an assembled rectangular pipe-jacking pipe segment joint is studied.
In order to shorten the manual operation time, improve the precision of segment assembly, improve the stress performance of joint, and then improve the security performance of push pipe tunnel. At present, a common method is to select a proper joint form, such as bar planting, adopting a curved screw rod or bolting through a bolt, and the like, wherein the single joint form has own defects. For example, the quality of the steel bar planted by all the steel bars can be influenced by the punching depth and the quality of the steel bar planted glue, the connecting strength is possibly insufficient by all the curved screw rods, the workload is increased by bolting the bolts, the construction period is prolonged, and the durability problem exists by welding the inner steel plate and the outer steel plate.
Therefore, how to design a joint quick connection structure to the assembly of assembled rectangle push pipe section of jurisdiction to overcome the not enough of prior art, hold the problem that the technical skill of this art needs to solve.
Disclosure of Invention
The utility model provides a joint connection structure of an assembled rectangular-like pipe-jacking segment, which aims to solve the problems in the prior art.
The technical scheme of the utility model is as follows: the utility model provides a joint connection structure of assembled type rectangle push pipe section of jurisdiction, includes the push pipe section of jurisdiction, the push pipe section of jurisdiction includes tenon push pipe section of jurisdiction, adopts multiple connection structure to fix between tenon push pipe section of jurisdiction, the tenon push pipe section of jurisdiction, multiple connection structure is including being located the terminal surface to piecing together structure, be located inboard steel sheet structure and be located the connecting piece structure in the outside, multiple connection structure bilateral symmetry lays.
Furthermore, the butt-spliced structure is a butt-spliced concave-convex tenon, the concave-convex tenon comprises a convex tenon at the assembling surface of the convex tenon pipe segment and a concave tenon at the assembling surface of the concave tenon pipe segment, and the convex tenons and the concave tenons are spliced in an alignment manner to form the concave-convex tenons.
Still further, the steel plate structure includes pre-buried steel sheet, the inside wall department of tenon push pipe section of jurisdiction, tenon push pipe section of jurisdiction all pre-buried be provided with pre-buried steel sheet.
Furthermore, the outer wall of the embedded steel plate is provided with a bolting steel plate, and the bolting steel plate connects the embedded steel plate into a whole.
Furthermore, the concave-convex tenons are positioned at the middle positions of the assembling surfaces of the tenon pipe-jacking segments and the concave-convex tenons pipe-jacking segments.
Furthermore, the inner side wall of the tenon pipe segment and the inner side wall of the tenon pipe segment form grooves, and the grooves can accommodate the embedded steel plates.
Further, the depth of the groove is smaller than the thickness of the embedded steel plate.
Furthermore, the connecting piece structure comprises a bent bolt, and the bent bolt is used for carrying out bolt connection on the tenon pipe segment and the mortise pipe segment.
Further, the steel plate structure and the connecting piece structure are positioned on two sides of the concave-convex tenon.
The beneficial effects of the utility model are as follows:
The utility model not only can accurately position and assemble, but also can strengthen the capability of resisting environmental deformation; through rectangular pipe jacking atress characteristic analysis, adopt the bolting mode between the steel sheet at the inboard position that bears tensile, not only can satisfy the atress demand but also can take measures and carry out the durability and control, adopt curved bolt to consolidate the effect in the outside position that bears pressure, increased the overall stability and the toughness of structure.
The utility model reduces the labor intensity during manual installation, has simple structure and convenient operation, improves the efficiency and improves the stability of the structure; the steel plate has higher rigidity, the steel plate is adopted for connection, the bearing capacity of the joint is also improved, the quality during construction can be ensured by adopting the bolt connection, and the safety coefficient of the duct piece is further improved.
Drawings
FIG. 1 is a schematic view of the assembled utility model;
FIG. 2 is an enlarged view of a portion of the present utility model;
FIG. 3 is a schematic view of the inner side structure of the rebate pipe-jacking segment according to the present utility model;
FIG. 4 is a schematic view of the outside structure of a rebate pipe-jacking segment according to the present utility model;
FIG. 5 is a schematic view of the structure of a bent bolt of the present utility model;
Wherein:
1. Pipe jacking pipe segment 2 steel plate structure
3. Connecting piece structure
11. Tenon pipe segment 12 tenon pipe segment
13. Concave-convex tenon
21. Pre-buried steel plate 22 bolting steel plate
31. High strength bolts 32 are bent bolts.
Detailed Description
The present utility model will be described in detail below with reference to the drawings and examples:
As shown in fig. 1 to 5, a joint connection structure of assembled rectangular-like pipe-jacking segment comprises a pipe-jacking segment 1, the pipe-jacking segment 1 comprises a tenon pipe-jacking segment 11 and a tenon pipe-jacking segment 12, multiple connection structures are adopted between the tenon pipe-jacking segment 11 and the tenon pipe-jacking segment 12 for fixing, each multiple connection structure comprises a butt-jointed structure positioned on the end face, a steel plate structure 2 positioned on the inner side and a connecting piece structure 3 positioned on the outer side, and the multiple connection structures are distributed in bilateral symmetry.
The butt-spliced structure is a butt-spliced concave-convex tenon 13, the concave-convex tenon 13 comprises a convex tenon at the assembling surface of the convex tenon pipe segment 11 and a concave tenon at the assembling surface of the concave tenon pipe segment 12, and the convex tenons and the concave tenons are spliced in a counterpoint mode to form the concave-convex tenon 13.
The steel plate structure 2 comprises embedded steel plates 21, and the embedded steel plates 21 are arranged at the inner side walls of the tenon pipe segment 11 and the mortise pipe segment 12 in an embedded mode.
The outer wall of the embedded steel plate 21 is provided with a bolting steel plate 22, and the bolting steel plate 22 connects the embedded steel plate 21 into a whole.
The concave-convex tenons 13 are positioned in the middle of the assembling surface of the tenon pipe segment 11 and the concave-convex pipe segment 12.
The inner side walls of the tenon pipe segment 11 and the tenon pipe segment 12 are provided with grooves, and the grooves can accommodate the embedded steel plates 21.
The depth of the groove is smaller than the thickness of the embedded steel plate 21.
The connecting piece structure 3 comprises a bent bolt 32, and the bent bolt 32 is used for carrying out bolt connection on the tenon pipe segment 11 and the mortise pipe segment 12.
The steel plate structure 2 and the connecting piece structure 3 are positioned on two sides of the rebate 13.
Specifically, bolt connection positions are formed in the embedded steel plates 21 of the tenon pipe segment 11 and the mortise pipe segment 12, and the bolting steel plates 22 are fixed on the outer side of the embedded steel plates 21 through the high-strength bolts 31, so that the fixation of the tenon pipe segment 11 and the mortise pipe segment 12 is realized from the inner side.
Specifically, the assembling surfaces of the tenon pipe segment 11 and the mortise pipe segment 12 are provided with water stop bars, and the two water stop bars are respectively positioned at two sides of the concave-convex tenon 13.
Specifically, an upper connecting channel is formed in the tenon pipe segment 11, and two ends of the upper connecting channel are respectively communicated with the outer wall and the assembly surface of the tenon pipe segment 11.
Correspondingly, a lower connecting channel is formed in the tenon-push pipe segment 12, and two ends of the lower connecting channel are respectively communicated with the outer wall and the assembly surface of the tenon-push pipe segment 12.
After the tenon pipe segment 11 and the tenon pipe segment 12 are spliced through the concave-convex tenons 13, the upper connecting channel and the lower connecting channel are spliced to form an assembling channel, and two ends of the assembling channel are communicated with the outer wall of the tenon pipe segment 11 and the outer wall of the tenon pipe segment 12.
The bent bolt 32 penetrates into the assembly channel, and the connection of the bent bolt 32 and the assembly channel is achieved.
More specifically, the outer walls of the tenon pipe segment 11 and the mortise pipe segment 12 are formed with stepped receiving portions, so as to receive nuts of the bent bolts 32 and nuts for connection.
Specifically, the assembly channel passes between the water stop bar and the concave-convex tenons 13, and does not damage the assembly of the water stop bar and the concave-convex tenons 13.
According to the utility model, the tenon pipe-jacking segment 11 and the mortise pipe-jacking segment 12 are fixed through the multiple connecting structures, so that the bearing capacity and the stability are improved.
Specifically, the pre-buried steel plate 21 is embedded in the tenon pipe segment 11 and the mortise pipe segment 12 in advance when the pipe joints are prefabricated, so as to improve the stability after connection.
Specifically, the insertion depth of the concave-convex 13 is not less than 75mm.
The outer sides of the tenon pipe segment 11 and the tenon pipe segment 12 are required to be reserved with assembly channels, the space end is reserved with a step accommodating part, and the step accommodating part is a triangular groove.
Specifically, the pre-buried steel plate 21 is embedded in advance inside the tenon pipe segment 11 and the mortise pipe segment 12 when the pipe joints are prefabricated, so as to improve the stability of the steel plate. After the duct piece is assembled, the bolting steel plate 22 is bolted to the pre-buried steel plate 21 through the high-strength bolts 31, and can be attached to the shape of the pipe-jacking duct piece, so that the duct piece is assembled into a whole in a bolting way.
The thicknesses of the embedded steel plate 21 and the bolting steel plate 22 are not less than 20mm so as to ensure the rigidity of connection, the length of the embedded steel plate 21 is not less than 2m, the length of the bolting steel plate 22 is not less than 1m, and the widths of the embedded steel plate 21 and the bolting steel plate 22 are consistent with the width of the duct piece.
After the duct piece is assembled, the bent bolts 32 penetrate through the lower pre-punching positions, and are fixed through the assembly channels. Three bending bolt 32 fastening points are arranged on each ring pipe, and the equal heights are distributed equidistantly. After the bent bolt 32 is installed, grouting is performed into the triangular groove to prevent the bolt from being corroded.
As an embodiment
As shown in FIG. 1, the joint connection structure of assembled rectangular-like pipe-jacking segments comprises pipe-jacking segments 1, wherein the pipe-jacking segments 1 comprise tenon pipe-jacking segments 11 and tenon pipe-jacking segments 12, multiple connection structures are adopted between the tenon pipe-jacking segments 11 and the tenon pipe-jacking segments 12 for fixation, each multiple connection structure comprises a butt-jointed structure positioned on the end face, a steel plate structure 2 positioned on the inner side and a connecting piece structure 3 positioned on the outer side, and the multiple connection structures are distributed in bilateral symmetry.
Wherein, the thickness of pre-buried steel sheet 21 and bolt steel sheet 22 is not less than 20mm to guarantee the stability of connection, pre-buried steel sheet 21 length is not less than 2m, bolt steel sheet 22's length is not less than 1m, and pre-buried steel sheet 21 and bolt steel sheet 22's width keeps unanimous with the width of section of jurisdiction, is 1.5m.
The outer side of each ring of pipe jacking segments 1 is provided with three bending bolts 32, and the bolt size of each bending bolt is not smaller than M30.
The connecting structure of this embodiment is simple, easy and simple to handle, not only can accomplish the section of jurisdiction more soon and assemble, can weld assembled section of jurisdiction as whole in addition accurately, has improved the connection rigidity and the waterproof performance of junction, and manual operation time shortens, has further improved the factor of safety when assembling.
The above description is merely a preferred embodiment of the present utility model, and the scope of the present utility model is not limited to the above examples. Modifications and variations which would be obvious to those skilled in the art without departing from the spirit of the utility model are also considered to be within the scope of the utility model.
Claims (9)
1. The utility model provides a joint connection structure of assembled type rectangle push pipe section of jurisdiction, includes push pipe section of jurisdiction (1), its characterized in that: the pipe-jacking segment (1) comprises a tenon pipe-jacking segment (11) and a tenon pipe-jacking segment (12), multiple connecting structures are adopted between the tenon pipe-jacking segment (11) and the tenon pipe-jacking segment (12) to fix, and each multiple connecting structure comprises a butt-jointed structure located on the end face, a steel plate structure (2) located on the inner side and a connecting piece structure (3) located on the outer side, and the multiple connecting structures are distributed in bilateral symmetry.
2. The joint connection structure of the assembled rectangular-like pipe jacking segment according to claim 1, wherein: the butt-spliced structure is a butt-spliced concave-convex tenon (13), the concave-convex tenon (13) comprises a convex tenon at the assembling surface of the convex tenon pipe segment (11) and a concave tenon at the assembling surface of the concave tenon pipe segment (12), and the convex tenons are spliced in an alignment manner to form the concave-convex tenon (13).
3. The joint connection structure of the assembled rectangular-like pipe jacking segment according to claim 2, wherein: the steel plate structure (2) comprises embedded steel plates (21), and the embedded steel plates (21) are arranged at the inner side walls of the tenon pipe-jacking segments (11) and the mortise pipe-jacking segments (12) in an embedded mode.
4. The joint connection structure of the assembled rectangular-like pipe-jacking segment according to claim 3, wherein: the outer wall of the embedded steel plate (21) is provided with a bolting steel plate (22), and the bolting steel plate (22) connects the embedded steel plate (21) into a whole.
5. The joint connection structure of the assembled rectangular-like pipe jacking segment according to claim 2, wherein: the concave-convex tenons (13) are positioned in the middle of the assembling surfaces of the tenon pipe-jacking segments (11) and the concave-convex pipe-jacking segments (12).
6. The joint connection structure of the assembled rectangular-like pipe-jacking segment according to claim 4, wherein: the inside wall department that tenon push pipe section of jurisdiction (11), tenon push pipe section of jurisdiction (12) forms the recess, the recess can hold pre-buried steel sheet (21).
7. The joint connection structure of the assembled rectangular-like pipe-jacking segment according to claim 6, wherein: the depth of the groove is smaller than the thickness of the embedded steel plate (21).
8. The joint connection structure of the assembled rectangular-like pipe jacking segment according to claim 2, wherein: the connecting piece structure (3) comprises a bent bolt (32), and the bent bolt (32) is used for carrying out bolt connection on the tenon pipe jacking segment (11) and the mortise pipe jacking segment (12).
9. The joint connection structure of the assembled rectangular-like pipe jacking segment according to claim 2, wherein: the steel plate structure (2) and the connecting piece structure (3) are positioned on two sides of the concave-convex tenon (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322194299.6U CN220909703U (en) | 2023-08-16 | 2023-08-16 | Joint connection structure of assembled rectangular-like pipe-jacking pipe piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322194299.6U CN220909703U (en) | 2023-08-16 | 2023-08-16 | Joint connection structure of assembled rectangular-like pipe-jacking pipe piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220909703U true CN220909703U (en) | 2024-05-07 |
Family
ID=90920548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322194299.6U Active CN220909703U (en) | 2023-08-16 | 2023-08-16 | Joint connection structure of assembled rectangular-like pipe-jacking pipe piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220909703U (en) |
-
2023
- 2023-08-16 CN CN202322194299.6U patent/CN220909703U/en active Active
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