CN220434753U - Shield tail brush structure suitable for long-distance tunneling - Google Patents
Shield tail brush structure suitable for long-distance tunneling Download PDFInfo
- Publication number
- CN220434753U CN220434753U CN202322121223.0U CN202322121223U CN220434753U CN 220434753 U CN220434753 U CN 220434753U CN 202322121223 U CN202322121223 U CN 202322121223U CN 220434753 U CN220434753 U CN 220434753U
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- CN
- China
- Prior art keywords
- brush
- shield tail
- steel
- steel plate
- shield
- Prior art date
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Links
- 230000005641 tunneling Effects 0.000 title claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 71
- 239000010959 steel Substances 0.000 claims abstract description 71
- 235000013358 Solanum torvum Nutrition 0.000 claims abstract description 38
- 240000002072 Solanum torvum Species 0.000 claims abstract description 38
- 229910000639 Spring steel Inorganic materials 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 238000007789 sealing Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
The utility model discloses a shield tail brush structure suitable for long-distance tunneling, which comprises an emergency steel plate brush, two steel wire brushes and an arc-shaped steel plate brush, wherein the emergency steel plate brush is arranged in front of a first shield tail brush, and the arc-shaped steel plate brush is arranged behind a second shield tail brush. According to the utility model, on the basis of a traditional shield tail brush structure, the emergency steel plate brush is additionally arranged in front of the first shield tail brush, so that muddy water can be effectively prevented from entering the shield body when leakage occurs in the shield tail, a safe operation environment is provided for replacing the shield tail brush, the last shield tail brush adopts the arc steel plate brush, the wear resistance and the tightness of the last shield tail brush can be effectively improved, and the shield tail brush structure can be suitable for long-distance shield tunneling, reduces the leakage of the shield tail and the frequency of replacing the shield tail brush, and effectively ensures the shield tunneling safety.
Description
Technical Field
The utility model relates to the technical field of shield machines, in particular to a shield tail brush structure suitable for long-distance tunneling.
Background
In urban subway and municipal road construction, a shield method becomes the main stream of tunnel construction, and a shield machine system usually comprises a cutter head system, a propulsion system, a segment assembly system, a shield tail sealing system and the like, wherein the shield tail sealing system plays an important role in the aspect of sealing safety in the shield propulsion process.
The shield tail brush can be divided into a steel wire brush and a steel plate brush in the process, is an important device for preventing muddy water or synchronous grouting slurry at the tail of a shield from entering the interior of a shield machine, has the sealing performance related to construction safety, can cause abrasion of the shield tail brush due to long-distance tunneling or improper segment assembly and the like, has a reduced shield tail sealing effect and even fails, and needs a set of abrasion-resistant, safe and long-distance tunneling structure without replacement for safety in the shield pushing process.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a shield tail brush structure suitable for long-distance tunneling, which aims to solve the defects of the conventional shield tail brush structure.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a shield tail brush structure suitable for long distance tunneling, includes emergent steel plate brush, wire brush and the arc steel plate brush of a plurality of ways, emergent steel plate brush, wire brush and arc steel plate brush set gradually on the shield tail, and the arc steel plate brush sets up the end at the shield tail.
Preferably, the emergency steel plate brush and the two steel wire brushes are riveted on the cover plate through pins, and the arc steel plate brush is connected on the cover plate through bolts.
Preferably, the emergency steel plate brush and the two steel wire brushes are fixed at the shield tail through connecting bolts, and the arc steel plate brush is fixed at the shield tail through welding.
Preferably, the emergency steel scrubber consists of 3 layers of spring steel plates 2mm thick.
Preferably, the steel wire brush is 4 layers, and steel wires with the diameter of 0.3mm are adopted, wherein the steel wires are made of ZB 202C.
Preferably, the arcuate steel scrubber consists of 22 layers of 0.6mm thick spring steel plate.
Preferably, the spring steel plates are installed in a staggered and overlapped mode.
Preferably, the spring steel plate is made of 65Mn material, the hardness is HRC43-48, and the outer side of the spring steel plate is provided with a protective plate with the thickness of 1 mm.
Compared with the prior art, the utility model has the beneficial effects that:
(1) An emergency steel plate brush is arranged in front of the first shield tail brush, when the shield tail brush is worn and muddy water leaks, the emergency steel plate brush can reduce the muddy water leaked from the shield tail to enter the shield body, and a relatively safe operation environment is provided for replacing the shield tail brush;
(2) The third shield tail brush adopts a steel plate brush formed by overlapping a plurality of layers of arc spring steel plates, the structure can effectively prevent shield tail muddy water or synchronous grouting liquid from entering a sealing system, and the wear resistance is stronger and the sealing performance is better.
Drawings
In order to more particularly and intuitively illustrate an embodiment of the present utility model or a technical solution in the prior art, a brief description of the drawings is provided below, which are required to be used in the description of the embodiment or the prior art.
FIG. 1 is a view of the structure of a shield tail brush according to the present utility model;
FIG. 2 is a detailed view of an emergency steel plate brush of the shield tail brush of the utility model;
FIG. 3 is a detailed view of the shield tail brush arc steel plate brush of the utility model;
FIG. 4 is a front view of the arc brush arrangement of the shield tail brush of the present utility model;
fig. 5 is a side view of the arc-shaped steel plate brush arrangement of the shield tail brush of the utility model.
In the figure: the emergency steel plate brush 1, the steel wire brush 2, the arc steel plate brush 3, the protection plate 4, the pin 5, the bolt 6 and the cover plate 7.
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.
Taking the design of certain city rail transit N number line plan as an example, this interval is three-line interval, and three shield lengths are about 2300m, just are mostly rich in water sand layer, if change the shield tail brush then face huge risk, so adopt the shield tail brush structure in this scheme, can effectively avoid changing the risk that the shield tail brush brought.
Referring to fig. 1-5, a shield tail brush structure suitable for long distance tunneling comprises a plurality of emergency steel plate brushes 1, steel wire brushes 2 and arc-shaped steel plate brushes 3, wherein the emergency steel plate brushes 1, the steel wire brushes 2 and the arc-shaped steel plate brushes 3 are sequentially arranged on a shield tail, and the arc-shaped steel plate brushes 3 are arranged at the tail end of the shield tail.
In the embodiment, the emergency steel plate brush 1 and the two steel wire brushes 2 are riveted on the cover plate 7 through pins 5, and the arc-shaped steel plate brush 3 is connected on the cover plate 7 through bolts 6.
In the embodiment, the emergency steel plate brush 1 and the two steel wire brushes 2 are fixed at the shield tail through connecting bolts, and the arc-shaped steel plate brush 3 is fixed at the shield tail through welding.
In this embodiment, the emergency steel scrubber 1 consists of 3 layers of spring steel plates 2mm thick.
In this embodiment, steel wire brush 2 is 4 layers, adopts the material to be ZB202C, the diameter is 0.3 mm's steel wire, and arc steel brush 3 comprises 22 layers of 0.6mm thick spring steel plates, and spring steel plates adopts the mode of staggered joint overlapping to install, and spring steel plates is 65Mn material, and hardness is HRC43-48, and the spring steel plates outside sets up the protection shield 4 of thickness for 1mm, is equipped with 4 bolt holes on every arc steel brush 3, adopts "about in" arrangement mode to make up fixedly, and every arc steel brush 3 width is 200mm, and the junction radian is 125, and the hypotenuse is long 200mm, and the junction hypotenuse is long 80mm.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (8)
1. The utility model provides a shield tail brush structure suitable for long distance tunneling, includes emergent steel brush (1) of a plurality of ways, steel brush (2) and arc steel brush (3), its characterized in that, emergent steel brush (1), steel brush (2) and arc steel brush (3) set gradually on the shield tail, and arc steel brush (3) set up the end at the shield tail.
2. The shield tail brush structure suitable for long-distance tunneling according to claim 1, wherein the emergency steel plate brush (1) and the two steel wire brushes (2) are riveted on the cover plate (7) through pins (5), and the arc steel plate brush (3) is connected on the cover plate (7) through bolts (6).
3. The shield tail brush structure suitable for long-distance tunneling according to claim 2, wherein the emergency steel plate brush (1) and the two steel wire brushes (2) are fixed at the shield tail through connecting bolts, and the arc steel plate brush (3) is fixed at the shield tail through welding.
4. A shield tail brush arrangement suitable for long distance tunnelling as claimed in claim 3, characterised in that the emergency steel scrubber (1) consists of 3 layers of spring steel plate 2mm thick.
5. The shield tail brush structure suitable for long-distance tunneling according to claim 4, wherein the steel wire brush (2) is 4 layers and is made of steel wires with the diameter of 0.3mm, wherein the steel wires are ZB 202C.
6. A shield tail brush arrangement suitable for long distance tunnelling as claimed in claim 5 wherein the arcuate steel plate brush (3) is composed of 22 layers of 0.6mm thick spring steel plates.
7. The shield tail brush structure suitable for long-distance tunneling according to claim 6, wherein the spring steel plates are installed in a staggered and overlapped mode.
8. The shield tail brush structure suitable for long-distance tunneling according to claim 7, wherein the spring steel plate is made of 65Mn material and has hardness of HRC43-48, and a protective plate (4) with thickness of 1mm is arranged on the outer side of the spring steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322121223.0U CN220434753U (en) | 2023-08-08 | 2023-08-08 | Shield tail brush structure suitable for long-distance tunneling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322121223.0U CN220434753U (en) | 2023-08-08 | 2023-08-08 | Shield tail brush structure suitable for long-distance tunneling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220434753U true CN220434753U (en) | 2024-02-02 |
Family
ID=89701668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322121223.0U Active CN220434753U (en) | 2023-08-08 | 2023-08-08 | Shield tail brush structure suitable for long-distance tunneling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220434753U (en) |
-
2023
- 2023-08-08 CN CN202322121223.0U patent/CN220434753U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |