CN220267713U - Shield segment and shield segment assembling structure - Google Patents
Shield segment and shield segment assembling structure Download PDFInfo
- Publication number
- CN220267713U CN220267713U CN202321744816.6U CN202321744816U CN220267713U CN 220267713 U CN220267713 U CN 220267713U CN 202321744816 U CN202321744816 U CN 202321744816U CN 220267713 U CN220267713 U CN 220267713U
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- fixedly connected
- connecting plate
- shield segment
- plate
- plates
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- 238000002347 injection Methods 0.000 claims description 4
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- 238000000034 method Methods 0.000 description 6
- 229920002748 Basalt fiber Polymers 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000009412 basement excavation Methods 0.000 description 4
- 239000002657 fibrous material Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 101710107464 Probable pyruvate, phosphate dikinase regulatory protein, chloroplastic Proteins 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model discloses a shield segment and a shield segment assembling structure, which comprises a splicing arc piece, wherein the end part of the splicing arc piece is fixedly connected with an assembling assembly; the splicing arc piece comprises an outer arc plate and an inner arc plate, a reinforcing part is fixedly connected between the outer arc plate and the inner arc plate, a side plate is fixedly connected with the end part, close to the outer arc plate and the inner arc plate, of the splicing arc piece, and the assembly component is fixedly connected with the side plate; the assembly component comprises two outer connecting plates, two inner sliding plates and two inner connecting plates, wherein the two outer connecting plates are fixedly connected with the side plates, the two inner connecting plates are fixedly connected with the side plates of the other splicing arc piece, the inner sliding plates are slidably arranged between the two inner connecting plates, and the inner sliding plates are fixedly connected with the outer connecting plates through assembly parts. The shield segment and the shield segment assembling structure can effectively improve the firmness of the connected shield segments.
Description
Technical Field
The utility model belongs to the technical field of shield equipment, and particularly relates to a shield segment and a shield segment assembling structure.
Background
At present, the tunnel construction method includes an open excavation method, a hidden excavation method and the like, wherein a shield method in the hidden excavation method is a fully mechanized construction method, and is widely applied to tunnel construction due to the advantages of safety excavation, no influence on facilities on the ground and the like, such as: the shield tunneling machine comprises a host machine and three frames matched with the host machine, wherein the front end of the host machine is a cutter disc, different cutters are arranged on the cutter disc, a motor drives the cutter disc to rotate, a plurality of groups of hydraulic jacks push the cutter disc to advance, so that cuttings of soil layers are realized, dregs after the cuttings are transported to the outside of the tunnel through a pipeline, when the cutter disc is pushed forward for a certain distance, the hydraulic jacks retract temporarily to the direction of the cutter disc, a segment assembler lifts shield segments to be assembled between the retracted hydraulic jacks and the installed shield segments, then the rear ends of the hydraulic jacks are compressed with the front ends of the shield segments, and finally, the segments are assembled into a circular ring, so that the hydraulic jacks stretch after the assembly, and the cutter disc is pushed forward continuously.
But current shield segment connection firmness degree is lower, and the weight after simply relying on material itself to align keeps the position fixed, exists by the problem of outer soil texture extrusion displacement, uses the connection between the outer reinforcement shield segment to improve the cost, has increased the volume of shield segment simultaneously, has increased the degree of difficulty of transportation, does not possess buffer capacity, and the shield segment is smashed easily when article drops in the tunnel. Therefore, it is necessary to design a shield segment and a shield segment assembling structure to solve the above-mentioned problems.
Disclosure of Invention
The utility model aims to provide a shield segment and a shield segment assembling structure, so as to solve the problems and achieve the purpose of improving the connection firmness of the shield segment.
In order to achieve the above object, the present utility model provides the following solutions: the shield segment and shield segment assembling structure comprises an assembling arc piece, wherein the end part of the assembling arc piece is fixedly connected with an assembling assembly;
the splicing arc piece comprises an outer arc plate and an inner arc plate, a reinforcing part is fixedly connected between the outer arc plate and the inner arc plate, a side plate is fixedly connected with the end part, close to the outer arc plate and the inner arc plate, of the splicing arc piece, and the assembly component is fixedly connected with the side plate;
the assembly component comprises two outer connecting plates, two inner sliding plates and two inner connecting plates, wherein the outer connecting plates are fixedly connected with the side plates, the inner connecting plates are two in number, the inner connecting plates are fixedly connected with the side plates of the splicing arc piece, the inner sliding plates are arranged between the two inner connecting plates in a sliding mode, and the inner sliding plates are fixedly connected with the outer connecting plates through assembly parts.
Preferably, the reinforcing part comprises a plurality of transverse plates, wherein the transverse plates are arranged at equal intervals in parallel, the transverse plates are fixedly connected with the outer arc plates and the inner arc plates, a plurality of vertical plates are fixedly connected between any two adjacent transverse plates, the vertical plates are arranged at equal intervals, a plurality of first flow holes are formed in the transverse plates, second flow holes are formed in the vertical plates, and injection holes are formed in the outer arc plates.
Preferably, the number of the fitting portions is at least two, and the two fitting portions are increased in a direction in which the inner connecting plate is slidably inserted into the outer connecting plate.
Preferably, each group of assembly parts comprises two locking parts which are arranged back to back, a follow-up part is arranged in the outer connecting plate, the follow-up part corresponds to the locking parts, the locking parts comprise annular cavities which are arranged inside the inner sliding plate, a central column is fixedly connected to the middle of the bottom end of each annular cavity, a sliding cylinder is sleeved on the outer side wall of each central column in a sliding manner, the outer side wall of each sliding cylinder is in sliding contact with the inner side wall of each annular cavity, a second spring is fixedly connected between the end part of each sliding cylinder and the inner bottom wall of each annular cavity, the second springs are sleeved on the outer sides of the central columns, and the other ends of the sliding cylinders correspond to the follow-up parts.
Preferably, the follow-up portion is including seting up the inside cylinder chamber of outer connecting plate, cylinder intracavity wall fixedly connected with first spring one end, first spring other end fixedly connected with traveller, the traveller slides and sets up in the cylinder chamber, the expansion chamber has been seted up to cylinder chamber open end, the locking chamber has been seted up to expansion chamber lateral wall, the locking intracavity sliding is provided with the locking piece, the locking piece with traveller lateral wall joint, the traveller with it is corresponding to expand the chamber.
Preferably, a notch is formed in the side wall of the sliding column, and the end part of the locking block corresponds to the notch.
The utility model has the following technical effects:
according to the utility model, the reinforcing part is arranged between the outer arc plate and the inner arc plate, so that the integral strength of a single spliced arc piece can be improved, the integral firmness of the shield mechanism after completion is improved, the assembly firmness of the outer connecting plate, the inner sliding plate and the inner connecting plate can be effectively reinforced through the arranged assembly part, the assembly firmness of two adjacent spliced arc pieces is improved, and the problem that the connection firmness of the existing shield segment is lower can be effectively solved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a cross-sectional view of a splice arc of the present utility model;
FIG. 2 is a top view of the reinforcement of the present utility model;
FIG. 3 is an assembly schematic of the assembly portion of the present utility model;
FIG. 4 is an enlarged view of a portion of FIG. 3A;
FIG. 5 is an enlarged view of a portion of B in FIG. 3;
FIG. 6 is a schematic view showing an assembled state of an assembled part of the present utility model;
fig. 7 is a partial enlarged view of C in fig. 6.
Wherein, 1, an outer arc plate; 2. an inner arc plate; 3. a side plate; 4. a cross plate; 5. a riser; 6. an outer connecting plate; 7. an inner slide plate; 8. an inner connection plate; 9. a cylindrical cavity; 10. a first spring; 11. a spool; 12. expanding the cavity; 13. a locking cavity; 14. a locking block; 15. a center column; 16. a ring cavity; 17. a second spring; 18. a slide cylinder; 19. a through hole; 20. a notch; 21. an injection hole; 22. a first flow aperture; 23. and a second flow aperture.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described 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.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1-7, the utility model provides a shield segment and a shield segment assembling structure, which comprises a splicing arc piece, wherein the end part of the splicing arc piece is fixedly connected with an assembling component;
the splicing arc piece comprises an outer arc plate 1 and an inner arc plate 2, a reinforcing part is fixedly connected between the outer arc plate 1 and the inner arc plate 2, a side plate 3 is fixedly connected to the end part, close to the outer arc plate 1 and the inner arc plate 2, of the splicing arc piece, and the assembly component is fixedly connected with the side plate 3;
the assembly component comprises an outer connecting plate 6, an inner sliding plate 7 and an inner connecting plate 8, wherein the number of the outer connecting plates 6 is two, the two outer connecting plates 6 are fixedly connected with the side plates 3, the number of the inner connecting plates 8 is two, the two inner connecting plates 8 are fixedly connected with the side plates 3 of the other splicing arc piece, the inner sliding plate 7 is arranged between the two inner connecting plates 8 in a sliding manner, and the inner sliding plate 7 is fixedly connected with the outer connecting plates 6 through assembly parts.
Through set up the enhancement part between outer arc board 1 and interior arc board 2, can improve the bulk strength of single concatenation arc piece, improve the whole firm degree after the shield constructs the mechanism completion, can effectively strengthen to the assembly firm degree of external connection board 6, interior sliding plate 7, interior connecting plate 8 through the assembly portion that sets up, improve the assembly firm degree of two adjacent concatenation arc pieces, can effectively solve the lower problem of current shield segment firm degree of connection.
The outer arc plate 1, the inner arc plate 2 and the side plates 3 can be made of Basalt Fiber (BFRP) materials, the basalt fiber materials have the advantages of small density, good heat insulation performance, good water absorption performance and the like, the basalt fiber materials have high mechanical strength while the density is small, the level of common carbon steel can be achieved, the heat transfer can be effectively reduced through the good heat insulation performance, the excellent heat preservation effect is achieved, the basalt fiber materials also have good flame resistance and corrosion resistance, and the basalt fiber materials are used as skeleton materials of shield segments, so that the whole weight of the shield segments can be reduced, and meanwhile, the shield segments are excellent in heat insulation, flame resistance and corrosion resistance.
Further optimizing scheme, the reinforcing part includes a plurality of diaphragm 4, and a plurality of diaphragm 4 are parallel equidistant to be set up, and diaphragm 4 and outer arc board 1, interior arc board 2 fixed connection, fixedly connected with a plurality of risers 5 between the adjacent diaphragm 4 of arbitrary two, and a plurality of risers 5 equidistant set up, and diaphragm 4 has seted up a plurality of first flow holes 22, and riser 5 has seted up second flow hole 23, and injection hole 21 has been seted up to outer arc board 1.
The outer arc plate 1, the inner arc plate 2, the side plates 3, the transverse plates 4 and the vertical plates 5 are made of steel plates through machining, are fixedly connected in a welding mode, and are filled with cement or other filling reinforcing fluid materials through the filling holes 21 after welding, and the filling materials flow through the first flow holes 22 and the second flow holes 23 to fill the whole inner space.
Further optimizing scheme, the number of assembly portion is two at least groups, and the direction that two sets of assembly portion slide along interior connecting plate 8 and insert outer connecting plate 6 increases.
The two adjacent splicing arc sheets are assembled and connected through the assembling part, the whole diameter of the assembling part is increased along the direction of sliding and inserting the inner connecting plate 8 into the outer connecting plate 6, and the error assembly of the assembling part with the small diameter and the assembling part with the large diameter in the process of sliding and inserting the inner connecting plate 8 into the outer connecting plate 6 can be avoided.
Further optimizing scheme, every equipment joining in marriage portion includes two locking parts that set up dorsad, be provided with the follow-up portion in the outer connecting plate 6, the follow-up portion corresponds with the locking part, the locking part is including seting up the inside ring chamber 16 of interior slide 7, ring chamber 16 bottom middle part fixedly connected with center post 15, center post 15 lateral wall slip cap is equipped with a slide tube 18, slide tube 18 lateral wall and ring chamber 16 inside wall sliding contact, fixedly connected with second spring 17 between slide tube 18 tip and the interior bottom wall of ring chamber 16, second spring 17 cover is established in the center post 15 outside, slide tube 18 other end corresponds with the follow-up portion.
Further, the inner connecting plate 8 is provided with a through hole 19, and the through hole 19 is matched with the slide tube 18.
In the process of inserting the inner connecting plate 8 into the outer connecting plate 6, after the side plate 3 fixedly connected with the outer connecting plate 6 is contacted with the inner sliding plate 7, the inner sliding plate 7 is pushed to be fully inserted between the inner connecting plates 8, after the inner sliding plate 7 is inserted into place, the end part of the sliding cylinder 18 is aligned with the through hole 19, and under the resilience force of the second spring 17, the sliding cylinder 18 slides out through the through hole 19 and is inserted into the follow-up part.
Further optimizing scheme, follow-up portion is including seting up at the inside cylinder chamber 9 of external connection board 6, cylinder chamber 9 inner wall fixedly connected with first spring 10 one end, first spring 10 other end fixedly connected with traveller 11, traveller 11 slides and sets up in cylinder chamber 9, and expansion chamber 12 has been seted up to cylinder chamber 9 open end, expands chamber 12 lateral wall and has seted up locking chamber 13, and locking chamber 13 sliding is provided with locking piece 14, locking piece 14 and traveller 11 lateral wall joint, and a slide 18 is corresponding with expansion chamber 12.
After the slide cylinder 18 is inserted into the expansion cavity 12, the locking block 14 is pushed to slide in a direction away from the slide column 11, the slide column 11 is not locked by the locking block 14 any more, the slide column 11 is slidably inserted into the inner slide plate 7 under the resilience force of the first spring 10, and the assembly locking of the outer connecting plate 6, the inner slide plate 7 and the inner connecting plate 8 is completed.
In a further optimized scheme, a notch 20 is formed in the side wall of the sliding column 11, and the end part of the locking block 14 corresponds to the notch 20.
In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.
Claims (6)
1. The shield segment and shield segment assembling structure is characterized by comprising splicing arc pieces, wherein the end parts of the splicing arc pieces are fixedly connected with an assembling assembly;
the splicing arc piece comprises an outer arc plate (1) and an inner arc plate (2), a reinforcing part is fixedly connected between the outer arc plate (1) and the inner arc plate (2), a side plate (3) is fixedly connected to the end part, close to the outer arc plate (1) and the inner arc plate (2), of the splicing arc piece, and the assembly component is fixedly connected with the side plate (3);
the assembly component comprises an outer connecting plate (6), an inner connecting plate (7) and an inner connecting plate (8), wherein the number of the outer connecting plate (6) is two, the outer connecting plate (6) is fixedly connected with the side plate (3), the number of the inner connecting plate (8) is two, the inner connecting plate (8) is fixedly connected with the side plate (3) of the splicing arc piece, the inner connecting plate (7) is slidably arranged between the inner connecting plate (8), and the inner connecting plate (7) is fixedly connected with the outer connecting plate (6) through an assembly part.
2. The shield segment and shield segment assembling structure according to claim 1, wherein the reinforcing portion comprises a plurality of transverse plates (4), the transverse plates (4) are arranged at equal intervals in parallel, the transverse plates (4) are fixedly connected with the outer arc plates (1) and the inner arc plates (2), a plurality of vertical plates (5) are fixedly connected between any two adjacent transverse plates (4), the vertical plates (5) are arranged at equal intervals, the transverse plates (4) are provided with a plurality of first flow holes (22), the vertical plates (5) are provided with second flow holes (23), and the outer arc plates (1) are provided with injection holes (21).
3. The shield segment and shield segment assembly structure according to claim 1, wherein the number of the assembly parts is at least two, and the number of the assembly parts is increased along the direction in which the inner connecting plate (8) is slidably inserted into the outer connecting plate (6).
4. The shield segment and shield segment assembling structure according to claim 3, wherein each assembly part comprises two locking parts which are arranged back to back, a follow-up part is arranged in the outer connecting plate (6), the follow-up part corresponds to the locking parts, the locking parts comprise annular cavities (16) which are arranged inside the inner sliding plates (7), central columns (15) are fixedly connected to the middle parts of the bottom ends of the annular cavities (16), sliding sleeves are arranged on the outer side walls of the central columns (15), sliding sleeves (18) are arranged on the outer side walls of the sliding sleeves (18) and are in sliding contact with the inner side walls of the annular cavities (16), second springs (17) are fixedly connected between the end parts of the sliding sleeves (18) and the inner bottom walls of the annular cavities (16), and the second springs (17) are sleeved on the outer sides of the central columns (15), and the other ends of the sliding sleeves (18) correspond to the follow-up parts.
5. The shield segment and shield segment assembling structure according to claim 4, wherein the follow-up part comprises a cylindrical cavity (9) formed in the outer connecting plate (6), one end of a first spring (10) is fixedly connected to the inner wall of the cylindrical cavity (9), a sliding column (11) is fixedly connected to the other end of the first spring (10), the sliding column (11) is slidably arranged in the cylindrical cavity (9), an expansion cavity (12) is formed in the opening end of the cylindrical cavity (9), a locking cavity (13) is formed in the side wall of the expansion cavity (12), a locking block (14) is arranged in the locking cavity (13) in a sliding mode, and the locking block (14) is clamped with the side wall of the sliding column (11), and the sliding cylinder (18) corresponds to the expansion cavity (12).
6. The shield segment and shield segment assembling structure according to claim 5, wherein a gap (20) is formed in the side wall of the sliding column (11), and the end portion of the locking block (14) corresponds to the gap (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321744816.6U CN220267713U (en) | 2023-07-05 | 2023-07-05 | Shield segment and shield segment assembling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321744816.6U CN220267713U (en) | 2023-07-05 | 2023-07-05 | Shield segment and shield segment assembling structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220267713U true CN220267713U (en) | 2023-12-29 |
Family
ID=89314070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321744816.6U Active CN220267713U (en) | 2023-07-05 | 2023-07-05 | Shield segment and shield segment assembling structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220267713U (en) |
-
2023
- 2023-07-05 CN CN202321744816.6U patent/CN220267713U/en active Active
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