CN112523778A - Pre-buried connecting sleeve of track traffic section of jurisdiction - Google Patents
Pre-buried connecting sleeve of track traffic section of jurisdiction Download PDFInfo
- Publication number
- CN112523778A CN112523778A CN202011392956.2A CN202011392956A CN112523778A CN 112523778 A CN112523778 A CN 112523778A CN 202011392956 A CN202011392956 A CN 202011392956A CN 112523778 A CN112523778 A CN 112523778A
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- main body
- connecting sleeve
- sealing
- template
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Links
- 238000007789 sealing Methods 0.000 claims description 47
- 238000000926 separation method Methods 0.000 claims description 24
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 11
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 238000005260 corrosion Methods 0.000 claims description 5
- 238000007731 hot pressing Methods 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 4
- 239000000203 mixture Substances 0.000 abstract 3
- 239000012528 membrane Substances 0.000 description 14
- 230000003014 reinforcing effect Effects 0.000 description 5
- 238000007493 shaping process Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/08—Lining with building materials with preformed concrete slabs
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses a pre-buried connecting sleeve for a track traffic duct piece, relates to the technical field of tunnel construction engineering, and solves the problems that the position of the sleeve is inconvenient to adjust according to the thickness of the duct piece when the connecting sleeve is pre-buried by the existing duct piece, the inclination of the sleeve is easy to cause in the concrete pouring and tamping process, the product quality is influenced, and the like. The utility model provides a pre-buried connecting sleeve of track traffic section of jurisdiction, includes the template main part, the up end fixed mounting of template main part has the biomembrane, the inboard of biomembrane is provided with the altitude mixture control reference column, the inboard of altitude mixture control reference column upper end is provided with the location connecting hole, the inboard of location connecting hole is installed and is connected the locking post, sealed adapter sleeve is installed in the outside of altitude mixture control reference column upper end. According to the invention, the sleeves are positioned and the depth of the sleeves is adjusted, so that the use of duct pieces with different thicknesses can be met, the structure is stable in the pouring process, and the influence of entering of concrete on use is avoided.
Description
Technical Field
The invention relates to the technical field of tunnel construction engineering, in particular to a pre-embedded connecting sleeve for a track traffic segment.
Background
Along with the rapid development of social economy, draw more cities more and begin to build subway tunnel, adopt segment structure to support in the construction of city subway shield tunnel building engineering and constitute usually, the segment generally pours the shaping into formation through the concrete to set up pre-buried sleeve when the concrete is poured, back anchor work load on interval tunnel lining segment when reducing later stage erection equipment, in order to reduce the damage and the destruction to the lining segment, improve the efficiency of construction, improve the interior operational environment of tunnel, ensure intensity and the durability of segment.
However, when the connecting sleeve is embedded in the existing duct piece, the position of the sleeve is not convenient to adjust according to the thickness of the duct piece, and the concrete is easy to incline the sleeve in the pouring and tamping process so as to influence the product quality; therefore, the existing requirements are not met, and the rail transit segment embedded connecting sleeve is provided for the requirements.
Disclosure of Invention
The invention aims to provide a pre-buried connecting sleeve for a track traffic duct piece, and aims to solve the problems that the position of the sleeve is inconvenient to adjust according to the thickness of the duct piece when the connecting sleeve is pre-buried in the existing duct piece provided in the background art, the inclination of the sleeve is easy to cause in the concrete pouring and tamping process, the product quality is influenced and the like.
In order to achieve the purpose, the invention provides the following technical scheme: a pre-buried connecting sleeve of a track traffic duct piece comprises a template main body, wherein a separation membrane is fixedly installed on the upper end face of the template main body, a height adjusting positioning column is arranged on the inner side of the separation membrane, a positioning connecting hole is formed in the inner side of the upper end of the height adjusting positioning column, a connecting locking column is installed on the inner side of the positioning connecting hole, a sealing connecting sleeve is installed on the outer side of the upper end of the height adjusting positioning column, two sealing connecting rings are arranged on the outer side of the sealing connecting sleeve, a sleeve main body is installed on the outer side of one of the sealing connecting rings, a drop-off prevention ring is fixedly installed on the outer side of the bottom end of the sleeve main body, two positioning connecting blocks are uniformly installed on the upper end face of the drop-prevention ring, a transverse, the inner side of the upper end of the sleeve main body is provided with an end positioning groove, and the outer side of the upper end of the sleeve main body is provided with scale marks.
Preferably, a depth limiting frame is fixedly arranged on the inner side of the sleeve main body below the end positioning groove, and a hexagonal positioning hole is formed in the inner side of the middle of the depth limiting frame.
Preferably, the outer side of the template main body is provided with an arc-shaped segment support frame, and the template main body is fixedly connected with the arc-shaped segment support frame through screws.
Preferably, a placing groove is formed in the upper end face of the template main body, the separation film is arranged on the inner side of the placing groove, the separation film is connected with the template main body through hot pressing, and a corrosion-resistant coating is arranged on the upper end face of the separation film.
Preferably, the bottom end of the height adjusting positioning column penetrates through the separation membrane and extends to the inner side of the template main body, the bottom end of the height adjusting positioning column is fixedly connected with the template main body through a screw, and the bottom end of the connecting and locking column penetrates through the upper end of the sealing connecting sleeve and is connected with the height adjusting positioning column through threads.
Preferably, the sealing connecting sleeve is connected with the sleeve main body through two sealing connecting rings, the sealing groove is formed in the outer side of the sealing connecting sleeve and the inner side of the bottom end of the sleeve main body, and the sealing connecting rings are arranged on the inner side of the sealing groove.
Preferably, the anticreep ring is fixed with the bottom welded of sleeve main part, the up end of anticreep ring is provided with the constant head tank, the setting of location connecting block is in the inboard of constant head tank.
Preferably, the both ends of horizontal reinforcing bar installation sleeve pipe and the equal welded fastening of sleeve main part, horizontal reinforcing bar installation sleeve pipe's inboard is provided with the reinforcing bar mounting hole, wear-resisting sleeve pipe welded fastening is in the inboard of reinforcing bar mounting hole.
Preferably, the sealing connecting sleeve, the connecting and locking column and the height adjusting positioning column are all made of hard plastics, and the height adjusting positioning column is connected with the sealing connecting sleeve through the connecting and locking column.
Preferably, the depth limiting frame is welded and fixed with the upper end of the sleeve main body, and an alloy coating is arranged on the outer surface of the upper end of the sleeve main body.
Compared with the prior art, the invention has the beneficial effects that:
1. the bottom ends of the height adjusting positioning columns penetrate through the separation membranes and are fixedly connected with the template main body through screws, so that the sealing connecting sleeves are conveniently positioned and connected through the height adjusting positioning columns, the whole body can be conveniently kept stable in the concrete pouring and tamping process, the whole body and the duct piece can be kept stable after the pouring and tamping molding through the anti-drop rings, and the external connection rod pieces can be prevented from dropping when being connected;
2. according to the invention, the wear-resistant sleeve is welded on the inner side of the transverse steel bar installation sleeve, so that the abrasion of the inner wall of the transverse steel bar installation sleeve caused by the steel bars in use can be avoided through the wear-resistant sleeve, the depth of connection of an external rod piece is conveniently limited through the depth limiting frame, the use is convenient, the scale mark is arranged on the outer side of the upper end of the sleeve main body, the depth of concrete pouring can be displayed through the scale mark, and the condition that the concrete enters the inner side of the sleeve main body through the upper end of the sleeve main body to influence the use of the whole body can be.
Drawings
FIG. 1 is a schematic structural view of the present invention as a whole;
FIG. 2 is a side view of the present invention in its entirety;
FIG. 3 is a top view of the present invention as a whole;
FIG. 4 is a schematic cross-sectional view of the present invention;
FIG. 5 is a schematic view of a partial cross-sectional structure of the height adjusting positioning post of the present invention;
fig. 6 is a partial structural schematic view of the positioning connection block of the invention.
In the figure: 1. a template body; 2. separating the membrane; 3. the anti-drop ring; 4. a sleeve body; 5. an end positioning groove; 6. installing a sleeve on the transverse steel bar; 7. scale lines; 8. a depth limiting frame; 9. hexagonal positioning holes; 10. a wear-resistant sleeve; 11. positioning a connecting block; 12. sealing the connecting sleeve; 13. connecting a locking column; 14. a height adjusting positioning column; 15. a sealing connection ring; 16. and positioning the connecting hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 to 6, an embodiment of the present invention includes: a pre-buried connecting sleeve of a track traffic duct piece comprises a template main body 1, a separation membrane 2 is fixedly installed on the upper end face of the template main body 1, an anti-corrosion coating is arranged on the upper end face of the separation membrane 2, concrete and the template main body 1 are conveniently separated through the separation membrane 2, then separation operation can be conveniently carried out after duct piece forming, a height adjusting positioning column 14 is arranged on the inner side of the separation membrane 2, the whole body is positioned through the height adjusting positioning column 14, stability can be conveniently kept during concrete pouring and tamping of the whole body, a positioning connecting hole 16 is arranged on the inner side of the upper end of the height adjusting positioning column 14, a connecting locking column 13 is installed on the inner side of the positioning connecting hole 16, a sealing connecting sleeve 12 is installed on the outer side of the upper end of the height adjusting positioning column 14, two sealing connecting rings 15 are arranged on the outer side, the outside fixed mounting of 4 bottoms of sleeve main part has anticreep ring 3, two positioning connection piece 11 are evenly installed to the up end of anticreep ring 3, the inboard fixed mounting at 4 middle parts of sleeve main part has transverse reinforcement installation sleeve 6, the inboard at 6 middle parts of transverse reinforcement installation sleeve is provided with wear-resisting sleeve 10, the inboard of 4 upper ends of sleeve main part is provided with tip positioning groove 5, the outside of 4 upper ends of sleeve main part is provided with scale mark 7, wholly through the regulation of fixing a position and the degree of depth to the sleeve, can satisfy the section of jurisdiction use of different thickness, and pour in-process stable in structure, avoid the entering influence of concrete to use.
Further, the lower position of end positioning groove 5 is located the inboard fixed mounting of sleeve main part 4 and has the spacing frame of degree of depth 8, and the inboard at the spacing frame of degree of depth 8 middle part is provided with hexagon locating hole 9, is convenient for inject convenient to use to the degree of depth that external member is connected through the spacing frame of degree of depth 8.
Further, the outside of template main part 1 is provided with arc section of jurisdiction support frame, and template main part 1 passes through the screw connection with arc section of jurisdiction support frame fixed, is convenient for carry out the fixed stay to template main part 1, and then the pouring of the concrete of being convenient for.
Further, the up end of template main part 1 is provided with the standing groove, and the parting film 2 sets up the inboard at the standing groove, and parting film 2 passes through hot pressing with template main part 1 to be connected, and the up end of parting film 2 is provided with corrosion-resistant coating, is convenient for separate concrete and template main part 1 through parting film 2, and then can be convenient for break away from the operation after the section of jurisdiction shaping.
Further, the bottom end of the height adjusting positioning column 14 penetrates through the separation membrane 2 and extends to the inner side of the template main body 1, the bottom end of the height adjusting positioning column 14 is fixedly connected with the template main body 1 through a screw, and the bottom end of the connecting locking column 13 penetrates through the upper end of the sealing connecting sleeve 12 and is connected with the height adjusting positioning column 14 through threads, so that the whole concrete pouring and tamping process can be kept stable conveniently.
Further, the sealing connecting sleeve 12 is connected with the sleeve main body 4 through two sealing connecting rings 15, sealing grooves are formed in the outer side of the sealing connecting sleeve 12 and the inner side of the bottom end of the sleeve main body 4, and the sealing connecting rings 15 are arranged on the inner side of the sealing grooves, so that concrete is effectively prevented from permeating into the inner side of the sleeve main body 4.
Further, anticreep ring 3 and sleeve main part 4's bottom welded fastening, anticreep ring 3's up end is provided with the constant head tank, and location connecting block 11 sets up in the inboard of constant head tank, is convenient for through anticreep ring 3 can keep whole and the stability of section of jurisdiction after pouring and smashing the shaping, and then can avoid droing when connecting external member.
Further, the both ends of horizontal bar casing 6 and the equal welded fastening of sleeve main part 4, the inboard of horizontal bar casing 6 is provided with the steel bar mounting hole, and wear-resisting sleeve pipe 10 welded fastening is in the inboard of steel bar mounting hole, can avoid the reinforcing bar to cause wearing and tearing to the inner wall of horizontal bar casing 6 when using through wear-resisting sleeve pipe 10.
Further, the material of the sealing connecting sleeve 12, the connecting locking column 13 and the height adjusting positioning column 14 is rigid plastic, and the height adjusting positioning column 14 is connected with the sealing connecting sleeve 12 through the connecting locking column 13, so that the sealing connecting sleeve 12, the connecting locking column 13 and the height adjusting positioning column 14 can be conveniently detached after the duct piece is formed.
Further, the upper end welded fastening of the spacing frame 8 of degree of depth and sleeve main part 4, the surface of sleeve main part 4 upper end is provided with the alloy coating, effectively improves the life of sleeve main part 4 when exposing.
The working principle is as follows: when the device is used, whether the functions of all parts are intact is checked, the bottom ends of the height adjusting positioning columns 14 penetrate through the separation membrane 2 and are fixedly connected with the template main body 1 through screws, the height adjusting positioning columns 14 are fixedly connected with the sealing connecting sleeve 12 through the connecting locking columns 13, the sealing connecting sleeve 12 is conveniently positioned and connected through the height adjusting positioning columns 14, the sealing connecting sleeve 12 is connected with the sleeve main body 4 through the two sealing connecting rings 15, the whole body can be kept stable in the concrete casting process, the sealing connecting rings 15 can perform sealing operation on the inner side of the bottom end of the sleeve main body 4, concrete is effectively prevented from permeating into the inner side of the sleeve main body 4, the separation membrane 2 is connected with the template main body 1 through hot pressing, the upper end surface of the separation membrane 2 is provided with an anti-corrosion coating, the separation membrane 2 is convenient for separating the concrete from the template main body 1, and further separation operation can be conveniently performed, the anti-drop sleeve is convenient to use, the anti-drop ring 3 is fixedly welded at the bottom end of the sleeve main body 4, the upper end face of the anti-drop ring 3 is provided with two positioning connecting blocks 11, the anti-drop ring 3 is convenient to keep the stability of the whole anti-drop sleeve and a duct piece after casting and tamping, and further can avoid dropping when an external rod piece is connected, the inner side of the middle part of the sleeve main body 4 is provided with a transverse steel bar installation sleeve 6, so that a transverse steel bar can be guided by the transverse steel bar installation sleeve 6, the inner side of the transverse steel bar installation sleeve 6 is welded with a wear-resistant sleeve 10, further, the wear of the inner wall of the transverse steel bar installation sleeve 6 when the steel bar is used can be avoided by the wear-resistant sleeve 10, the inner wall of the upper end of the sleeve main body 4 is provided with threads, the upper end of the threads is terminated to the end positioning groove 5, so that the external rod piece is convenient to, and the spacing 8 of degree of depth and sleeve main part 4 welded fastening, be convenient for inject the degree of depth that external member is connected through the spacing 8 of degree of depth, convenient to use, be provided with scale mark 7 in the outside of sleeve main part 4 upper end for can show the degree of depth that the concrete was pour through scale mark 7, and then can avoid the concrete to get into the inboard of sleeve main part 4 through the upper end of sleeve main part 4, influence holistic use.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. The utility model provides a pre-buried connecting sleeve of track traffic section of jurisdiction, includes template main part (1), its characterized in that: the template comprises a template main body (1), wherein a separation film (2) is fixedly arranged on the upper end face of the template main body (1), a height adjusting positioning column (14) is arranged on the inner side of the separation film (2), a positioning connecting hole (16) is arranged on the inner side of the upper end of the height adjusting positioning column (14), a connecting locking column (13) is arranged on the inner side of the positioning connecting hole (16), a sealing connecting sleeve (12) is arranged on the outer side of the upper end of the height adjusting positioning column (14), two sealing connecting rings (15) are arranged on the outer side of the sealing connecting sleeve (12), a sleeve main body (4) is arranged on the outer side of one of the sealing connecting rings (15), a separation-proof ring (3) is fixedly arranged on the outer side of the bottom end of the sleeve main body (4), two positioning connecting blocks (11) are uniformly arranged on the upper end, the inner side of the middle part of the transverse steel bar installation sleeve (6) is provided with a wear-resistant sleeve (10), the inner side of the upper end of the sleeve main body (4) is provided with an end positioning groove (5), and the outer side of the upper end of the sleeve main body (4) is provided with scale marks (7).
2. The rail transit segment embedded connecting sleeve as claimed in claim 1, is characterized in that: the lower part of the end positioning groove (5) is fixedly provided with a depth limiting frame (8) on the inner side of the sleeve main body (4), and the inner side of the middle part of the depth limiting frame (8) is provided with a hexagonal positioning hole (9).
3. The rail transit segment embedded connecting sleeve as claimed in claim 1, is characterized in that: the outer side of the template main body (1) is provided with an arc-shaped duct piece supporting frame, and the template main body (1) is fixedly connected with the arc-shaped duct piece supporting frame through screws.
4. The rail transit segment embedded connecting sleeve as claimed in claim 1, is characterized in that: the template is characterized in that a placing groove is formed in the upper end face of the template main body (1), the separation film (2) is arranged on the inner side of the placing groove, the separation film (2) is connected with the template main body (1) through hot pressing, and a corrosion-resistant coating is arranged on the upper end face of the separation film (2).
5. The rail transit segment embedded connecting sleeve as claimed in claim 1, is characterized in that: the bottom end of the height adjusting positioning column (14) penetrates through the separation film (2) and extends to the inner side of the template main body (1), the bottom end of the height adjusting positioning column (14) is fixedly connected with the template main body (1) through screws, and the bottom end of the connecting locking column (13) penetrates through the upper end of the sealing connecting sleeve (12) and is connected with the height adjusting positioning column (14) through threads.
6. The rail transit segment embedded connecting sleeve as claimed in claim 1, is characterized in that: the sealing connecting sleeve (12) is connected with the sleeve main body (4) through two sealing connecting rings (15), the sealing groove is formed in the outer side of the sealing connecting sleeve (12) and the inner side of the bottom end of the sleeve main body (4), and the sealing connecting rings (15) are arranged on the inner side of the sealing groove.
7. The rail transit segment embedded connecting sleeve as claimed in claim 1, is characterized in that: the bottom welded fastening of anticreep ring (3) and sleeve main part (4), the up end of anticreep ring (3) is provided with the constant head tank, location connecting block (11) set up the inboard at the constant head tank.
8. The rail transit segment embedded connecting sleeve as claimed in claim 1, is characterized in that: the both ends and the equal welded fastening of sleeve main part (4) of horizontal bar casing (6), the inboard of horizontal bar casing (6) is provided with the bar mounting hole, wear-resisting sleeve pipe (10) welded fastening is in the inboard of bar mounting hole.
9. The rail transit segment embedded connecting sleeve as claimed in claim 1, is characterized in that: the material of sealing connecting sleeve (12), connection locking post (13) and height adjustment reference column (14) is rigid plastic, and height adjustment reference column (14) is connected through connecting locking post (13) with sealing connecting sleeve (12).
10. The rail transit segment embedded connecting sleeve as claimed in claim 2, wherein: the depth limiting frame (8) is welded and fixed with the upper end of the sleeve main body (4), and an alloy coating is arranged on the outer surface of the upper end of the sleeve main body (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011392956.2A CN112523778B (en) | 2020-12-02 | 2020-12-02 | Pre-buried connecting sleeve of track traffic section of jurisdiction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011392956.2A CN112523778B (en) | 2020-12-02 | 2020-12-02 | Pre-buried connecting sleeve of track traffic section of jurisdiction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112523778A true CN112523778A (en) | 2021-03-19 |
| CN112523778B CN112523778B (en) | 2023-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011392956.2A Active CN112523778B (en) | 2020-12-02 | 2020-12-02 | Pre-buried connecting sleeve of track traffic section of jurisdiction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112523778B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108301569A (en) * | 2018-04-08 | 2018-07-20 | 山东天盾矿用设备有限公司 | A kind of shroud member and its pre-buried and release method |
| CN108678780A (en) * | 2018-06-12 | 2018-10-19 | 山东安泰克工程材料有限公司 | A kind of service sleeve and the plug-in conduit based on the service sleeve |
| CN210217748U (en) * | 2019-07-18 | 2020-03-31 | 粤水电轨道交通建设有限公司 | Shield segment pre-buried sleeve structure for preventing concrete from being wrapped |
| CN210713237U (en) * | 2019-07-12 | 2020-06-09 | 湖南德立铁路桥工程材料有限公司 | Embedded sleeve combination |
| CN210714713U (en) * | 2019-09-12 | 2020-06-09 | 维机轨道交通科技（镇江）有限公司 | Reducing embedded sleeve for shield tunnel segment |
| CN111350521A (en) * | 2020-03-09 | 2020-06-30 | 上海孚士德建筑科技有限公司 | Pre-buried sleeve for shield interval |
| EP3722058A1 (en) * | 2019-04-07 | 2020-10-14 | Herrenknecht Aktiengesellschaft | Production system and method for producing a concrete segment of a tunnel excavation system |
-
2020
- 2020-12-02 CN CN202011392956.2A patent/CN112523778B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108301569A (en) * | 2018-04-08 | 2018-07-20 | 山东天盾矿用设备有限公司 | A kind of shroud member and its pre-buried and release method |
| CN108678780A (en) * | 2018-06-12 | 2018-10-19 | 山东安泰克工程材料有限公司 | A kind of service sleeve and the plug-in conduit based on the service sleeve |
| EP3722058A1 (en) * | 2019-04-07 | 2020-10-14 | Herrenknecht Aktiengesellschaft | Production system and method for producing a concrete segment of a tunnel excavation system |
| CN210713237U (en) * | 2019-07-12 | 2020-06-09 | 湖南德立铁路桥工程材料有限公司 | Embedded sleeve combination |
| CN210217748U (en) * | 2019-07-18 | 2020-03-31 | 粤水电轨道交通建设有限公司 | Shield segment pre-buried sleeve structure for preventing concrete from being wrapped |
| CN210714713U (en) * | 2019-09-12 | 2020-06-09 | 维机轨道交通科技（镇江）有限公司 | Reducing embedded sleeve for shield tunnel segment |
| CN111350521A (en) * | 2020-03-09 | 2020-06-30 | 上海孚士德建筑科技有限公司 | Pre-buried sleeve for shield interval |
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| Publication number | Publication date |
|---|---|
| CN112523778B (en) | 2023-06-16 |
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