CN217151939U - Quick connecting device for portal steel ring and steel sleeve - Google Patents
Quick connecting device for portal steel ring and steel sleeve Download PDFInfo
- Publication number
- CN217151939U CN217151939U CN202220180821.8U CN202220180821U CN217151939U CN 217151939 U CN217151939 U CN 217151939U CN 202220180821 U CN202220180821 U CN 202220180821U CN 217151939 U CN217151939 U CN 217151939U
- Authority
- CN
- China
- Prior art keywords
- ring
- steel
- portal
- steel ring
- steel sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 136
- 239000010959 steel Substances 0.000 title claims abstract description 136
- 230000007704 transition Effects 0.000 claims abstract description 31
- 239000004744 fabric Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 abstract description 7
- 238000003466 welding Methods 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 2
- 238000007569 slipcasting Methods 0.000 description 2
- 239000011083 cement mortar Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011900 installation 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
- 239000002689 soil 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
- 238000004078 waterproofing Methods 0.000 description 1
Images
Classifications
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- 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 relates to the technical field of shield receiving construction auxiliary devices, in particular to a portal steel ring and steel sleeve quick connecting device, wherein the outer diameter of the steel sleeve is smaller than the inner diameter of the portal steel ring, the steel sleeve is inserted into the portal steel ring, and a waterproof structure is arranged between the portal steel ring and the steel sleeve; and the end surface of the transition connecting ring is bolted and fixed with the end surface of the portal steel ring. The utility model has the advantages that: the rapid connection between the portal steel ring and the steel sleeve of the transition connecting ring is realized, and the waterproof effect at the joint of the portal steel ring and the steel sleeve is effectively improved; the tunnel portal steel ring shield structure has the advantages of being strong in sealing performance, high in strength, simple to install, capable of overcoming the problems that the welding period between the tunnel portal steel ring and the steel sleeve is long, the welding requirement is high, the sealing performance is not strong and the like, and improving the stability of connection between the shield machine steel sleeve and the tunnel portal steel ring and the safety of receiving the shield steel sleeve.
Description
Technical Field
The utility model belongs to the technical field of the construction auxiliary device technique is received to the shield structure and specifically relates to a portal steel loop and steel sleeve quick connecting device.
Background
With the rapid development of urban rail transit construction, shield construction is increasingly popularized in underground tunnel construction, and shield receiving construction is different due to the complex stratum environment. The steel sleeve receiving is used as a mode of shield starting and receiving, and is a structure that a closed sleeve is installed at a receiving wellhead, backfill is filled in the steel sleeve to form a closed space to balance the water and soil pressure of a tunnel face, and finally shield receiving is completed. The sleeve needs to be connected with the portal steel ring in the steel sleeve installation process, the existing connection mode generally adopts the full-welding mode of the steel sleeve transition ring and the portal steel ring to be connected, but the connection mode has the defects of limited site space, high welding requirement and long welding period, and unstable thrust when the shield machine receives the connection mode, so that the portal steel ring and the steel sleeve connection part are easy to crack to cause great risk.
Disclosure of Invention
The utility model aims at providing a portal steel ring and steel sleeve quick connecting device according to above-mentioned prior art not enough, through passing through rubber curtain cloth board bolted connection between the portal steel ring outside and the steel sleeve transition go-between, transition go-between socket steel sleeve and portal steel ring inboard adoption socket joint mode are connected, it is waterproof through setting up twice wedge rubber circle in socket department, and insert the inboard and the transition go-between of portal steel ring and the portal steel ring outside at transition go-between socket steel sleeve and pass through rubber curtain cloth board bolted connection back, fill the space between twice wedge rubber circle through the slip casting, carry out the shutoff with the slip casting apron at last, realize the quick connection between portal steel ring and the shield constructs machine transition ring steel sleeve.
The utility model discloses the purpose is realized accomplishing by following technical scheme:
the utility model provides a portal steel ring and steel sleeve quick connecting device for be connected between portal steel ring and the steel sleeve of shield constructs quick-witted transition connection ring, its characterized in that: the outer diameter of the steel sleeve is smaller than the inner diameter of the portal steel ring, the steel sleeve is inserted into the portal steel ring, and a waterproof structure is arranged between the portal steel ring and the steel sleeve; and the end surface of the transition connecting ring is bolted and fixed with the end surface of the portal steel ring.
The waterproof structure comprises at least one wedge-shaped rubber ring, and the wedge-shaped rubber ring is arranged in an annular groove formed in the periphery of the steel sleeve.
The wedge-shaped rubber ring gradually becomes thicker from the portal steel ring to the transition connecting ring.
The waterproof structure comprises two wedge-shaped rubber rings, the space between the two wedge-shaped rubber rings is a grouting space, and the grouting space can be used for grouting through a grouting hole formed in the steel sleeve.
The grouting holes are sealed by arranging grouting hole cover plates.
And a rubber curtain cloth plate is arranged at the joint between the end surface of the transition connecting ring and the end surface of the portal steel ring.
The bolt connection and fixation between the end face of the transition connecting ring and the end face of the portal steel ring are realized through bolts which are pre-embedded in the portal steel ring and connected and fixed with the transition connecting ring through the bolts.
The bolts are uniformly arranged along the circumferential direction of the portal steel ring.
The utility model has the advantages that: the rapid connection between the portal steel ring and the steel sleeve of the transition connecting ring is realized, and the waterproof effect at the joint of the portal steel ring and the steel sleeve is effectively improved; the tunnel portal steel ring shield structure has the advantages of being strong in sealing performance, high in strength, simple to install, capable of overcoming the problems that the welding period between the tunnel portal steel ring and the steel sleeve is long, the welding requirement is high, the sealing performance is not strong and the like, and improving the stability of connection between the shield machine steel sleeve and the tunnel portal steel ring and the safety of receiving the shield steel sleeve.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a partially enlarged view of the connection between the steel ring and the steel sleeve of the door in FIG. 1;
FIG. 3 is a schematic connecting section view of the middle hole door ring beam and the steel sleeve of the present invention;
fig. 4 is a cross-sectional view of the wedge-shaped rubber ring of the present invention.
Detailed Description
The features of the present invention and other related features are described in further detail below by way of example in conjunction with the accompanying drawings to facilitate understanding by those skilled in the art:
as shown in fig. 1-4, the labels 1-8 in the figures are respectively expressed as: the device comprises a socket steel sleeve 1, a portal steel ring 2, a wedge-shaped rubber ring 3, a rubber curtain cloth plate 4, a high-strength bolt 5, a grouting hole 6, a grouting hole cover plate 7 and a transition connecting ring 8.
Example (b): as shown in fig. 1 to 4, the rapid connection device for a portal steel ring and a steel sleeve in this embodiment is used for connecting a portal steel ring 2 and a steel sleeve on a transition connection ring 8 of a shield tunneling machine.
Specifically, the quick connection device comprises a socket steel sleeve 1 arranged on the end face of the transition connecting ring, the outer diameter of the socket steel sleeve 1 is smaller than the inner diameter of the portal steel ring 2, and the socket steel sleeve is inserted into the portal steel ring 2 in a socket type mode. Two annular grooves are arranged at the periphery of the socket steel sleeve 1 at intervals. All inlayed in every circular groove and be annular wedge rubber circle 3, this wedge rubber circle 3 closely laminates with 2 inside walls of portal steel ring to make 2 inside walls of portal steel ring and socket steel sleeve 1 form airtight space, improve waterproof performance.
High-strength bolts 5 are pre-embedded at the inner side of the portal steel ring 2 close to a station structure, bolt hole positions are uniformly distributed on the outer ring of the transition connecting ring 8 according to a circular ring, a rubber curtain cloth plate 4 is tightly attached between the outer end face of the portal steel ring 2 and the outer ring of the transition connecting ring 8 and is connected with the outer ring of the transition connecting ring through the high-strength bolts 5, and the portal steel ring 2 and the transition connecting ring 8 are fixedly connected.
In this embodiment, the high-strength bolts 5 are uniformly arranged along the circumferential direction of the portal steel ring 2 to ensure the connection strength and integrity between the portal steel ring 2 and the transition connection ring 8.
The socket steel sleeve 1 is provided with grouting holes 6, and the space between two wedge rubber rings 3 is used as a grouting space, and waterproof cement mortar can be injected into the grouting space through the grouting holes 6, so that the waterproof performance between the portal steel ring 2 and the socket steel sleeve 1 is further improved.
In this embodiment, the end of the grouting hole 6 is provided with a grouting hole cover plate 7 after grouting is completed, and the grouting hole cover plate is used for sealing the grouting hole 6 after grouting is completed, so that the sealing of the internal grouting space is ensured.
In the embodiment, in specific implementation: the thickness of the wedge-shaped rubber ring 3 gradually becomes thicker from front to back, namely from the portal steel ring 2 to the transition connecting ring 8; when the socket steel sleeve 1 of the transition connecting ring 8 is inserted into the inner ring of the portal steel ring 2, the inner side wall of the portal steel ring 2 extrudes the wedge-shaped rubber ring 3, and the sealing and the water proofing between the inner side of the portal steel ring 2 and the socket steel sleeve 1 are realized.
Although the conception and the embodiments of the present invention have been described in detail with reference to the drawings, those skilled in the art will recognize that various changes and modifications can be made therein without departing from the scope of the appended claims, and therefore, the description thereof is not repeated herein.
Claims (8)
1. The utility model provides a portal steel ring and steel sleeve quick connecting device for be connected between portal steel ring and the steel sleeve of shield constructs quick-witted transition connection ring, its characterized in that: the outer diameter of the steel sleeve is smaller than the inner diameter of the portal steel ring, the steel sleeve is inserted into the portal steel ring, and a waterproof structure is arranged between the portal steel ring and the steel sleeve; and the end surface of the transition connecting ring is bolted and fixed with the end surface of the portal steel ring.
2. The quick connecting device for the steel ring and the steel sleeve of the portal according to claim 1, characterized in that: the waterproof structure comprises at least one wedge-shaped rubber ring, and the wedge-shaped rubber ring is arranged in an annular groove formed in the periphery of the steel sleeve.
3. The quick connecting device for the steel ring and the steel sleeve of the portal according to claim 2, characterized in that: the wedge-shaped rubber ring gradually becomes thicker from the portal steel ring to the transition connecting ring.
4. The quick connecting device for the steel ring and the steel sleeve of the portal according to claim 2, characterized in that: the waterproof structure comprises two wedge-shaped rubber rings, the space between the two wedge-shaped rubber rings is a grouting space, and the grouting space can be used for grouting through a grouting hole formed in the steel sleeve.
5. The quick connecting device for the steel ring and the steel sleeve of the portal according to claim 4, characterized in that: the grouting holes are sealed by arranging grouting hole cover plates.
6. The quick connecting device for the steel ring and the steel sleeve of the portal according to claim 1, characterized in that: and a rubber curtain cloth plate is arranged at the joint between the end surface of the transition connecting ring and the end surface of the portal steel ring.
7. The quick connecting device for the steel ring and the steel sleeve of the portal according to claim 1, characterized in that: the bolt connection and fixation between the end face of the transition connecting ring and the end face of the portal steel ring is realized by pre-embedding bolts on the portal steel ring and connecting and fixing the transition connecting ring through the bolts.
8. The quick connecting device for the steel ring and the steel sleeve of the portal according to claim 7, characterized in that: the bolts are uniformly arranged along the circumferential direction of the portal steel ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220180821.8U CN217151939U (en) | 2022-01-24 | 2022-01-24 | Quick connecting device for portal steel ring and steel sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220180821.8U CN217151939U (en) | 2022-01-24 | 2022-01-24 | Quick connecting device for portal steel ring and steel sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217151939U true CN217151939U (en) | 2022-08-09 |
Family
ID=82687838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220180821.8U Expired - Fee Related CN217151939U (en) | 2022-01-24 | 2022-01-24 | Quick connecting device for portal steel ring and steel sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217151939U (en) |
-
2022
- 2022-01-24 CN CN202220180821.8U patent/CN217151939U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220809 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |