CN110645014B - Fixing device for tunnel shield segment surface - Google Patents
Fixing device for tunnel shield segment surface Download PDFInfo
- Publication number
- CN110645014B CN110645014B CN201910775733.5A CN201910775733A CN110645014B CN 110645014 B CN110645014 B CN 110645014B CN 201910775733 A CN201910775733 A CN 201910775733A CN 110645014 B CN110645014 B CN 110645014B
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- connecting rod
- shield segment
- hook
- segment
- tunnel
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- 238000009434 installation Methods 0.000 claims abstract description 13
- 238000010276 construction Methods 0.000 abstract description 4
- 238000005553 drilling Methods 0.000 abstract description 2
- 239000000428 dust Substances 0.000 abstract description 2
- 239000000779 smoke Substances 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 description 5
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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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
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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)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention relates to the technical field of tunnel construction engineering, in particular to a fixing device for the surface of a tunnel shield segment, which comprises: the shield segment fixing hole inner fastening piece, the hook-shaped connecting rod and the segment surface fastening mounting piece are arranged in the shield segment fixing hole; the shield segment fixing hole internal fastener comprises a top hole fixer, a nut sleeve and a connecting rod, wherein the connecting rod adopts a threaded structure and is in threaded matching with the top hole fixer and the nut sleeve 2; the hook-shaped connecting rod is in a shape of a hook on one side and a threaded rod on one side and is used for connecting the shield segment fixing hole internal fastener and the segment surface fastening installation part; the segment surface fastening installation part comprises a surface installation plate and supporting legs with inclined planes. The device is fixed by utilizing the inherent structure in the duct piece fixing hole, additional drilling is not needed, and the damage to the duct piece structure is prevented; the installation and construction do not produce smoke and dust and noise, and the mounted position is comparatively nimble, easy dismounting.
Description
Technical Field
The invention relates to the technical field of tunnel construction engineering, in particular to a fixing device for the surface of a tunnel shield segment.
Background
With the rapid development of urbanization and economy in recent years, a prefabricated shield tunnel structure is an important component for rapid excavation and installation of a tunnel. In the traditional tunnel internal equipment installation, expansion screws or shield segment fixing screws are usually loosened for fastening.
The disadvantages of this type of fixation method are:
1. the structural integrity and the durability of the shield segment are damaged; the expansion bolts are implanted to damage the inside of the concrete and the reinforcing steel bar structure of the shield segment, accelerate corrosion of the reinforcing steel bar structure, cause uneven distribution of internal stress and influence bearing capacity and service life of the concrete.
2. The balance of stress among the shields is influenced; the fixing mode of the segment fixing nut for the equipment mounting platform is removed, and the original force balance between the shields is damaged.
3. The expansion screw needs a power supply for installation, and the requirement on field power supply is high.
4. The expansion screw is not detachable, which brings inconvenience to later equipment maintenance and adjustment.
Disclosure of Invention
In order to solve the technical problems, the invention provides a fixing device for the surface of a tunnel shield segment.
The technical problem solved by the invention can be realized by adopting the following technical scheme:
a fixing device for a tunnel shield segment surface is characterized by comprising: the fastening piece in the shield segment fixing hole comprises a nut sleeve, a top hole fixer and a connecting rod;
the segment surface fastening mounting piece comprises a surface mounting plate and a supporting leg with an inclined plane;
and the hook-shaped connecting rod is in a hook shape on one side and a thread shape on one side and is used for connecting the shield segment fixing hole internal fastener and the segment surface fastening installation part.
Preferably, the interior of the nut sleeve adopts a concave frustum structure, and the lower end of the nut sleeve is sleeved with a shield segment nut.
Preferably, the top hole fixer adopts a convex frustum structure, is attached to and connected with the connecting rod, and the front end of the top hole fixer is inserted into a segment screw through hole.
Preferably, the connecting rod adopts a threaded structure, and the nut sleeve and the top hole fixer are fixedly connected with each other through the middle connecting rod.
Preferably, the hook-shaped connecting rod at least comprises a first hook-shaped connecting rod and a second hook-shaped connecting rod, and the side hook end of the first hook-shaped connecting rod and the side hook end of the second hook-shaped connecting rod are hooked on the connecting rod.
Preferably, the threaded end of the first hook-shaped connecting rod and the threaded end of the second hook-shaped connecting rod are fixedly connected with the surface mounting plate through a sliding groove and a nut.
Preferably, the surface mounting plate is connected with the supporting legs and used for mounting equipment or equipment platforms in the tunnel.
Preferably, the supporting legs are fixed on the rear side of the surface mounting plate and are matched with the edges of the shield segment fixing holes.
Preferably, the supporting legs adopt a structure with two inclined openings.
The beneficial effects are that:
the device is fixed by utilizing the inherent structure in the duct piece fixing hole, additional drilling is not needed, and the damage to the duct piece structure is prevented; smoke dust and noise are not generated in the installation and construction, and the protection of the environment in the tunnel is facilitated; the section of jurisdiction fixed orifices is in shield structure surface general distribution, and the mounted position is comparatively nimble, and easy dismounting need not electrical equipment under the prerequisite of not influencing section of jurisdiction bearing capacity, durability and the atress equilibrium between the section of jurisdiction, convenient change, adjustment and dismouting.
Drawings
Fig. 1 is a structural view of a fixing device for a tunnel shield segment surface according to the present invention;
fig. 2 is a cross-sectional view of a fixing device for a tunnel shield segment surface according to the present invention.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.
Referring to fig. 1 and fig. 2, a structure diagram and a cross-sectional view of a fixing device for a tunnel shield segment surface according to the present invention include:
the fastener in the shield segment fixing hole comprises a nut sleeve 2, a top hole fixer 1 and a connecting rod 3;
the segment surface fastening installation piece comprises a surface mounting plate 5 and a supporting leg 6 with an inclined plane;
and the hook-shaped connecting rod 4 is in a hook shape on one side and a thread shape on one side and is used for connecting a shield segment fixing hole internal fastener and a segment surface fastening installation part.
Further, the interior of the nut sleeve 2 is of a concave frustum structure, and the lower end of the nut sleeve 2 is sleeved with a shield segment nut 8.
Specifically, the interior of the nut sleeve 2 adopts an inward concave frustum structure, so that the nut sleeve 2 is ensured to be tightly matched with nuts of various sizes within a certain range, and no relative displacement with the nuts is ensured under the condition of lower pressure; the top hole fixer 1 adopts an outward convex frustum structure, can have wide adaptability to various segment screw through holes 7, and ensures no displacement with the segment screw through holes 7 under the pressure condition.
Further, the top hole fixer 1 adopts a convex frustum structure and is attached to and connected with the connecting rod 3, and the front end of the top hole fixer 1 is inserted into a segment screw rod through hole 7.
Further, the connecting rod 3 adopts a threaded structure, and the nut sleeve 2 and the top hole fixer 1 are fixedly connected with each other through the middle connecting rod 3.
Furthermore, the hook-shaped connecting rod 4 at least comprises a first hook-shaped connecting rod and a second hook-shaped connecting rod, and the side hook end of the first hook-shaped connecting rod and the side hook end of the second hook-shaped connecting rod are hooked on the connecting rod 3.
Further, the first hook-shaped connecting rod threaded end and the second hook-shaped connecting rod threaded end are fixedly connected with the surface mounting plate 5 through the sliding groove and the nut.
Further, the surface mounting plate 5 is connected with the supporting feet 6 for the installation of the equipment or the equipment platform inside the tunnel.
Furthermore, the supporting legs 6 are fixed on the rear side of the surface mounting plate 5 and are matched with the edges of the shield segment fixing holes.
Furthermore, the supporting legs 6 adopt a structure with two oblique openings.
In the preferred embodiment of the invention, the arrangement scheme of the nut sleeve 2 and the top hole fixer 1 is selected according to the actual situation of the nut in the shield segment fixing hole, and the nut sleeve 2 and the top hole fixer 1 are mutually fixed through the middle threaded connecting rod 3; the nut sleeve 2 and the top hole fixer 1 apply pressure to two sides through thread rotation, and the frustum structure enables the device to have wide adaptability to different apertures and prevents relative displacement of internal firmware; the supporting leg 6 with the inclined plane is fixed at the rear side of the surface mounting plate 5 and is matched with the edge of the shield segment fixing hole, so that the surface mounting plate 5 is prevented from moving up and down.
In the preferred embodiment of the invention, the thread size of the connecting rod 3 needs to be matched with the thread size of the top hole fixer 1 and the nut sleeve 2; considering the environment in the tunnel, all the surfaces of the parts are subjected to anti-corrosion treatment; before the equipment is installed, the top hole fixer 1, the nut sleeve 2 and the connecting rod 3 need to be screwed to be mutually attached so as to reduce the size; the fastener combination is placed in the segment fixing hole and then unfolded, so that the front end of the top hole fixer 1 is inserted into the segment screw through hole 7, and the lower end of the nut sleeve 2 is sleeved in the shield segment nut 8; further rotating to enable the top hole fixer 1 and the nut sleeve 2 to move towards two sides, so that no displacement or shaking exists between the top hole fixer and the through hole or the nut; hang two form connecting rods 4 on connecting rod 3, collude form connecting rod 4 threaded end and pass surface mounting panel 5, reuse nut will collude form connecting rod 4 and surface mounting panel 5 fastening, exert to downthehole pressure through colluding between form connecting rod 4 and the surface mounting panel 5 fixation nut, take two inclined planes of inclined plane supporting legs 6 simultaneously to prevent that surface mounting panel 5 can not take place displacement from top to bottom.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (9)
1. A fixing device for a tunnel shield segment surface is characterized by comprising: the fastening piece in the shield segment fixing hole comprises a nut sleeve, a top hole fixer and a connecting rod;
the segment surface fastening mounting piece comprises a surface mounting plate and a supporting leg with an inclined plane;
and the hook-shaped connecting rod is in a hook shape on one side and a thread shape on one side and is used for connecting the shield segment fixing hole internal fastener and the segment surface fastening installation part.
2. The fixing device for the surface of the tunnel shield segment as claimed in claim 1, wherein the nut sleeve is internally provided with a concave frustum structure, and a shield segment nut is sleeved at the lower end of the nut sleeve.
3. The fixing device for the surface of the tunnel shield segment as claimed in claim 1, wherein the top hole fixer is of a convex frustum structure and is attached to the connecting rod of the fastener, and the front end of the top hole fixer is inserted into a segment screw through hole.
4. The fixing device for the surface of a tunnel shield segment according to claim 1, wherein the connecting rod of the fastener is in a threaded structure, and the nut sleeve and the top hole fixer are fixedly connected with each other through the connecting rod of the fastener.
5. The fixing device for the tunnel shield segment surface according to claim 4, wherein the hook-shaped connecting rods at least comprise a first hook-shaped connecting rod and a second hook-shaped connecting rod, and the side hook ends of the first hook-shaped connecting rod and the second hook-shaped connecting rod are hooked on the connecting rods of the fasteners.
6. The fixing device for the surface of the tunnel shield segment according to claim 5, wherein the threaded ends of the first and second hook-shaped connecting rods are fixedly connected with the surface mounting plate through a sliding groove and a nut respectively.
7. The fixing device for the surface of the shield segment of the tunnel according to claim 1, wherein the surface mounting plate is connected with the supporting feet and used for mounting equipment or equipment platforms in the tunnel.
8. The fixing device for the surface of the shield segment of the tunnel according to claim 1, wherein the supporting legs are fixed at the rear side of the surface mounting plate and are matched with the edge of the shield segment fixing hole.
9. The fixing device for the surface of the tunnel shield segment as claimed in claim 1, wherein the supporting legs are of a structure with two oblique ports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910775733.5A CN110645014B (en) | 2019-08-21 | 2019-08-21 | Fixing device for tunnel shield segment surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910775733.5A CN110645014B (en) | 2019-08-21 | 2019-08-21 | Fixing device for tunnel shield segment surface |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110645014A CN110645014A (en) | 2020-01-03 |
| CN110645014B true CN110645014B (en) | 2021-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910775733.5A Active CN110645014B (en) | 2019-08-21 | 2019-08-21 | Fixing device for tunnel shield segment surface |
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| Country | Link |
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| CN (1) | CN110645014B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117948166B (en) * | 2024-03-27 | 2024-06-11 | 中铁第六勘察设计院集团有限公司 | Tunnel segment embedded sleeve and quick assembly method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6073965A (en) * | 1983-09-29 | 1985-04-26 | 入来院 正巳 | Engaging tool for hanging concrete product |
| CN201712492U (en) * | 2010-08-31 | 2011-01-19 | 中铁十八局集团第三工程有限公司 | Fixing structure of contact network in tunnel |
| CN103510975A (en) * | 2012-06-18 | 2014-01-15 | 上海市政工程设计研究总院（集团）有限公司 | Fan suspension method for shield tunnel |
| CN204738842U (en) * | 2015-03-25 | 2015-11-04 | 中冶天工集团有限公司 | Pipeline installation device in shield tunnel |
| CN108590757A (en) * | 2018-06-20 | 2018-09-28 | 彭健 | A kind of victory assembling device and its installation 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 |
-
2019
- 2019-08-21 CN CN201910775733.5A patent/CN110645014B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6073965A (en) * | 1983-09-29 | 1985-04-26 | 入来院 正巳 | Engaging tool for hanging concrete product |
| CN201712492U (en) * | 2010-08-31 | 2011-01-19 | 中铁十八局集团第三工程有限公司 | Fixing structure of contact network in tunnel |
| CN103510975A (en) * | 2012-06-18 | 2014-01-15 | 上海市政工程设计研究总院（集团）有限公司 | Fan suspension method for shield tunnel |
| CN204738842U (en) * | 2015-03-25 | 2015-11-04 | 中冶天工集团有限公司 | Pipeline installation device in shield tunnel |
| 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 |
| CN108590757A (en) * | 2018-06-20 | 2018-09-28 | 彭健 | A kind of victory assembling device and its installation method |
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| Publication number | Publication date |
|---|---|
| CN110645014A (en) | 2020-01-03 |
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