CN220415361U - Cutter disc structure of shield tunneling machine - Google Patents
Cutter disc structure of shield tunneling machine Download PDFInfo
- Publication number
- CN220415361U CN220415361U CN202321856209.9U CN202321856209U CN220415361U CN 220415361 U CN220415361 U CN 220415361U CN 202321856209 U CN202321856209 U CN 202321856209U CN 220415361 U CN220415361 U CN 220415361U
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- Prior art keywords
- cutter head
- edge
- cutter
- hob
- main body
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- 230000005641 tunneling Effects 0.000 title claims abstract description 14
- 238000003466 welding Methods 0.000 claims description 7
- 239000000654 additive Substances 0.000 claims description 4
- 230000000996 additive effect Effects 0.000 claims description 4
- 230000002146 bilateral effect Effects 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 239000011435 rock Substances 0.000 abstract description 9
- 238000005096 rolling process Methods 0.000 abstract description 3
- 238000009412 basement excavation Methods 0.000 abstract description 2
- 239000002131 composite material Substances 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 8
- 238000005299 abrasion Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model discloses a cutter head structure of a shield machine, wherein a cutter head main body is provided with a wear-resisting plate, one side of the cutter head main body corresponding to the wear-resisting plate is provided with a front single-edge hob, one side, close to the edge, of the cutter head main body is provided with a first side single-edge hob, one side, close to the outer ring, of the cutter head main body is provided with a second side single-edge hob, and two sides, close to the first side single-edge hob, of the cutter head main body are symmetrically provided with a first side scraper, a second side scraper, a third side scraper and a fourth side scraper, and the cutter head structure has the following advantages: the first side single-edge hob and the second side single-edge hob on the periphery of the cutterhead main body are matched with the front single-edge hob, the center hob and the double-edge hob, so that the excavation diameter can be increased, the planar turning and the safe and rapid tunneling in a rock stratum composite section can be realized, and the cutter can be effectively protected through the wear-resisting plate, the side rolling cutter protecting structure and the front hob protecting structure.
Description
Technical Field
The utility model relates to the technical field of shield tunneling machine cutterheads, in particular to a cutterhead structure of a shield tunneling machine.
Background
The shield tunneling machine is a special engineering machine for tunneling, and is continuously improved and developed to become the most advanced underground tunneling machine in the world at present. The construction method integrates the mechanical, electrical, hydraulic, sensing and information technologies, can be operated under the condition of not influencing the ground condition, greatly improves the construction efficiency and safety compared with the traditional construction mode, reduces the cost, and is widely applied to tunnel engineering such as subways, railways, highways, municipal administration, hydropower and the like. The shield machine realizes deflection within a certain angle range of the shield body by controlling the extension and retraction of the hinged oil cylinder in the tunneling process, and precisely controls the tunneling direction of the tunnel.
At present, the stratum complex working condition of shield construction is generally severe, when the construction encounters hard stratum such as rock, sha Luandan and the like, the cutter is subjected to impact accelerated abrasion, the relative position of the cutter and the cutter holder is changed due to strong impact, and the conditions of breaking the cutter and the cutter ring cracking cutter shaft caused by large rigidity difference of stratum rock and soil are easily generated.
Disclosure of Invention
The utility model aims to solve the technical problems that the stratum complex working condition of the existing shield construction is generally severe, when the construction encounters hard stratum such as rock, sha Luandan and the like, the cutter is subjected to impact accelerated abrasion, the relative position of the cutter and the cutter holder is changed due to strong impact, and the conditions of breaking the cutter and the cutter ring cracking cutter shaft due to large rigidity difference of stratum rock and soil are easy to generate, so that the cutter head structure of the shield machine is provided, and the problems are solved.
The technical scheme adopted for solving the technical problems is as follows: a cutterhead structure of a shield machine, comprising: the cutter head body is provided with the antifriction plate, cutter head body corresponds antifriction plate one side and is provided with positive single-edge hobbing cutter, cutter head body is provided with first avris single-edge hobbing cutter along being close to edge one side, cutter head body is located outer lane one side and is provided with second avris single-edge hobbing cutter, cutter head body is located first avris single-edge hobbing cutter both sides symmetry and is provided with first avris scraper, second avris scraper, third avris scraper, fourth avris scraper, cutter head body is located second avris single-edge hobbing cutter and comes the bilateral symmetry to be provided with avris hobbing cutter protection architecture, cutter head body one side is provided with positive hobbing cutter protection architecture near avris hobbing cutter protection architecture one side.
As a preferable technical scheme of the utility model, one side of the outer ring of the cutter head main body is provided with a plurality of gauge cutters, and the gauge cutters are uniformly distributed on the outer ring of the cutter head main body.
As a preferable technical scheme of the utility model, a cutter driving motor is arranged on one side of the cutter body opposite to the front single-blade hob.
As a preferable technical scheme of the utility model, the cutter head main body is symmetrically provided with first check blocks on two sides of the wear-resisting plate, one side of the cutter head main body, which is positioned on the first check blocks, is provided with front scrapers, and the number of the first check blocks and the number of the front scrapers are both provided with a plurality of.
As a preferable technical scheme of the utility model, the same side of the cutter head main body as the front scraper is provided with the welding scrapers, and the number of the welding scrapers is a plurality.
As a preferable technical scheme of the utility model, a second stop block is arranged between the first edge scraper and the first edge single-blade hob, a third stop block is arranged between the second edge scraper and the first edge single-blade hob, a fourth stop block is arranged between the third edge scraper and the first edge single-blade hob, and a fifth stop block is arranged between the fourth edge scraper and the first edge single-blade hob.
As a preferable technical scheme of the utility model, the middle part of the same side of the cutter head main body as the front single-blade hob is provided with a central hob box, and the central hob box is connected with a central hob.
As a preferable technical scheme of the utility model, a double-edge cutter box is arranged on one side of the cutter head main body perpendicular to the center hob, and the double-edge cutter box is connected with a double-edge hob.
As a preferable technical scheme of the utility model, a stirring rod is arranged on the same side of the cutter head main body as the cutter head driving motor, and an additive filling pipe is arranged on one side of the cutter head main body close to the cutter head driving motor.
As a preferable technical scheme of the utility model, the number of the wear-resistant plate, the front single-edge hob, the first side single-edge hob and the second side single-edge hob are all provided with a plurality of.
The utility model has the following advantages: the first side single-edge hob and the second side single-edge hob on the periphery of the cutterhead main body are matched with the front single-edge hob, the center hob and the double-edge hob, so that the excavation diameter can be increased, the planar turning and the safe and rapid tunneling in a rock stratum composite section can be realized, and the cutter can be effectively protected through the wear-resisting plate, the side rolling cutter protecting structure and the front hob protecting structure.
Drawings
FIG. 1 is a schematic view of the construction of a preferred embodiment of the present utility model;
FIG. 2 is a schematic side cross-sectional view of a preferred embodiment of the present utility model;
fig. 3 is an enlarged schematic view of the structure a of fig. 1 in accordance with a preferred embodiment of the present utility model.
Reference numerals illustrate: 1. a cutterhead main body; 2. a wear plate; 3. a front single-blade hob; 4. a first side single-blade hob; 5. a second side single-blade hob; 6. a first edge scraper; 7. a second edge scraper; 8. a third side scraper; 9. a fourth scraper; 10. a side rolling cutter protection structure; 11. a front hob protecting structure; 12. a gage cutter; 13. a cutter driving motor; 14. a first stopper; 15. a front scraper; 16. welding a scraper; 17. a second stopper; 18. a third stopper; 19. a fourth stopper; 20. a fifth stopper; 21. a central tool box; 22. a center hob; 23. double-edged tool boxes; 24. double-edge hob; 25. a stirring rod; 26. additive filler pipe.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying positive importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The utility model is further described below with reference to the accompanying drawings.
Referring to fig. 1-3 in combination, a cutterhead structure of a shield tunneling machine according to the present utility model includes: the cutter head comprises a cutter head body 1, wherein the cutter head body 1 is provided with a wear-resisting plate 2, a front single-blade hob 3 is arranged on one side of the cutter head body 1 corresponding to the wear-resisting plate 2, a first side single-blade hob 4 is arranged on one side of the cutter head body 1, a second side single-blade hob 5 is arranged on one side of the cutter head body 1, the cutter head body 1 is symmetrically arranged on two sides of the first side single-blade hob 4, a first side scraper 6, a second side scraper 7, a third side scraper 8 and a fourth side scraper 9, an edge side hob protection structure 10 is symmetrically arranged on two sides of the cutter head body 1, and a front hob protection structure 11 is arranged on one side of the cutter head body 1, which is close to the edge side hob protection structure 10.
In combination with the illustration of fig. 1, wherein cutter head body 1 outer lane one side is provided with gauge cutter 12, can cut the stratum of cutter head body 1 outer lane one side through gauge cutter 12, so guarantee that cutter head body 1 removes in the stratum, gauge cutter 12 quantity is provided with a plurality of, a plurality of gauge cutter 12 evenly distributed is in cutter head body 1 outer lane, cutter head body 1 is located wear-resisting plate 2 bilateral symmetry and is provided with first dog 14, cutter head body 1 is located first dog 14 one side and is provided with front scraper 15, can increase front scraper 15 resistance through first dog 14, first dog 14 all is provided with a plurality of with front scraper 15 quantity, cutter head body 1 is provided with welding scraper 16 with front scraper 15 the same one side, and welding scraper 16 quantity is provided with a plurality of, cutter head body 1 is close to cutter head driving motor 13 one side and is provided with additive filling pipe 26, wear-resisting plate 2, front single-edge hob 3, first side single-edge hob 4, second side single-edge hob 5 quantity all is provided with a plurality of.
Referring to fig. 3, a second stop 17 is disposed between the first edge scraper 6 and the first edge single-blade hob 4, the cutter head body 1 is disposed between the second edge scraper 7 and the first edge single-blade hob 4, a third stop 18 is disposed between the third edge scraper 8 and the first edge single-blade hob 4, a fourth stop 19 is disposed between the fourth edge scraper 9 and the first edge single-blade hob 4, a fifth stop 20 is disposed between the fourth edge scraper 9 and the first edge single-blade hob 4, so that torsion resistance of the first edge scraper 6, the second edge scraper 7, the third edge scraper 8 and the fourth edge scraper 9 can be correspondingly enhanced, a center cutter box 21 is disposed in the middle of the same side of the cutter head body 1 as the front single-blade hob 3, a center cutter box 22 is connected to the center cutter box 21, a double-blade cutter box 23 is connected to the double-blade hob 24 on the side perpendicular to the center cutter head body 1, a stirring rod 25 is disposed on the same side of the cutter head body 1 as the cutter head driving motor 13 as shown in fig. 2, and a cutter head driving motor 13 is mounted on the opposite side of the cutter head body 1 as the front single-blade hob 3.
Specifically, when the cutter head is used, rock stratum on one side of the edge of the cutter head body 1 can be cut through the cooperation of the first side single-edge hob 4 and the second side single-edge hob 5 on the cutter head body 1, rock stratum on one side of the outer ring of the cutter head body 1 can be cut through the cooperation of the front side single-edge hob 3, the center hob 22 and the double-edge hob 24, rock stratum in front of the cutter head body 1 can be effectively cut, and the cutter head body 1 can effectively protect cutters through the wear-resisting plate 2, the side-edge hob protection structure 10 and the front side hob protection structure 11 during operation.
The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.
Other parts of the present utility model not described in detail are all of the prior art, and are not described in detail herein.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (10)
1. A cutterhead structure of a shield machine, comprising: cutter head main part (1), its characterized in that, cutter head main part (1) are provided with antifriction plate (2), cutter head main part (1) correspond antifriction plate (2) one side and are provided with positive single-blade hobbing cutter (3), cutter head main part (1) are being close to edge one side and are being provided with first side single-blade hobbing cutter (4), cutter head main part (1) are located outer lane one side and are provided with second side single-blade hobbing cutter (5), cutter head main part (1) are located first side single-blade hobbing cutter (4) bilateral symmetry and are provided with first limit scraper (6), second limit scraper (7), third limit scraper (8), fourth scraper (9), cutter head main part (1) are located second side single-blade hobbing cutter (5) and come bilateral symmetry to be provided with limit side hobbing cutter protection architecture (10), cutter head main part (1) one side is close to limit side hobbing cutter protection architecture (10) one side and are provided with positive hobbing cutter protection architecture (11).
2. The cutter head structure of the shield machine according to claim 1, wherein a gauge cutter (12) is arranged on one side of an outer ring of the cutter head main body (1), a plurality of gauge cutters (12) are arranged, and the gauge cutters (12) are uniformly distributed on the outer ring of the cutter head main body (1).
3. A cutterhead structure of a shield machine according to claim 1, characterized in that a cutterhead driving motor (13) is mounted on the side of the cutterhead main body (1) opposite to the front single-blade hob (3).
4. The cutter head structure of the shield tunneling machine according to claim 1, wherein the cutter head main body (1) is symmetrically provided with first stop blocks (14) on two sides of the wear-resisting plate (2), the cutter head main body (1) is provided with front face scrapers (15) on one side of the first stop blocks (14), and a plurality of the first stop blocks (14) and the front face scrapers (15) are arranged.
5. A cutterhead structure of a shield machine according to claim 1, characterized in that the same side of the cutterhead main body (1) as the front face scraper (15) is provided with welding scrapers (16), and the number of the welding scrapers (16) is a plurality.
6. The cutter head structure of the shield tunneling machine according to claim 1, wherein the cutter head main body (1) is located between the first edge scraper (6) and the first edge single-blade hob (4) and provided with a second stop block (17), the cutter head main body (1) is located between the second edge scraper (7) and the first edge single-blade hob (4) and provided with a third stop block (18), the cutter head main body (1) is located between the third edge scraper (8) and the first edge single-blade hob (4) and provided with a fourth stop block (19), and the cutter head main body (1) is located between the fourth edge scraper (9) and the first edge single-blade hob (4) and provided with a fifth stop block (20).
7. The cutter head structure of the shield machine according to claim 1, wherein a central cutter box (21) is arranged in the middle of the same side of the cutter head main body (1) as the front single-blade hob (3), and the central cutter box (21) is connected with a central hob (22).
8. The cutter head structure of the shield machine according to claim 1, wherein a double-edge cutter box (23) is arranged on one side of the cutter head main body (1) perpendicular to the center hob (22), and the double-edge cutter box (23) is connected with a double-edge hob (24).
9. A cutterhead structure of a shield machine according to claim 1, wherein a stirring rod (25) is arranged on the same side of the cutterhead main body (1) as the cutterhead driving motor (13), and an additive filling pipe (26) is arranged on the side, close to the cutterhead driving motor (13), of the cutterhead main body (1).
10. The cutterhead structure of the shield machine according to claim 1, wherein the number of the wear-resistant plate (2), the front single-edge hob (3), the first side single-edge hob (4) and the second side single-edge hob (5) is several.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321856209.9U CN220415361U (en) | 2023-07-14 | 2023-07-14 | Cutter disc structure of shield tunneling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321856209.9U CN220415361U (en) | 2023-07-14 | 2023-07-14 | Cutter disc structure of shield tunneling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220415361U true CN220415361U (en) | 2024-01-30 |
Family
ID=89657353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321856209.9U Active CN220415361U (en) | 2023-07-14 | 2023-07-14 | Cutter disc structure of shield tunneling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220415361U (en) |
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2023
- 2023-07-14 CN CN202321856209.9U patent/CN220415361U/en active Active
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