CN107387128B - Tunnel embedded chute mounting fixer and application - Google Patents
Tunnel embedded chute mounting fixer and application Download PDFInfo
- Publication number
- CN107387128B CN107387128B CN201710679899.8A CN201710679899A CN107387128B CN 107387128 B CN107387128 B CN 107387128B CN 201710679899 A CN201710679899 A CN 201710679899A CN 107387128 B CN107387128 B CN 107387128B
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- CN
- China
- Prior art keywords
- chute
- positioning
- tunnel
- pipe
- insulating
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
- E21D11/14—Lining predominantly with metal
-
- 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
Abstract
The invention discloses a fixing device for installing a tunnel embedded chute and application thereof, comprising a positioning pipe, a positioning plate, an adjusting nut and a chute; the locating plate is sleeved on the outer diameter of the locating pipe, the adjusting nuts are arranged on two sides of the locating plate, the anchor ends on the sliding grooves are arranged inside the locating pipe, the springs are arranged inside the locating pipe, the anchors on the sliding grooves are in contact with the springs and are fixed with the locating pipe through the insulating sleeve and the insulating gaskets, the insulating sleeve is arranged inside the locating pipe, and the locating pipe is connected with the sliding groove anchors. The novel sliding chute is convenient and rapid to construct, high in installation quality, high in accuracy, firm in sliding chute fixation, capable of achieving good fixing and insulating effects, saving in material and labor investment, and saving in construction period and economic investment.
Description
Technical Field
The invention belongs to the technical field of tunnel construction of railways, highways, municipal administration and the like, and particularly relates to a mounting fixer for a pre-buried chute during tunnel secondary lining construction and application thereof.
Background
In the current tunnel construction process, in order to facilitate the installation of equipment such as later-stage tunnel cables, water pipes, overhead lines, lighting facilities and the like, a chute is often pre-buried in advance in the tunnel secondary lining construction process, so that chute construction is an important item in tunnel construction. When the lower tunnel pre-buried chute is constructed by mainly fixing the chute on the surface of a steel mould trolley or a combined steel mould template, the chute pre-buried construction can be realized by adopting the method, but the construction by adopting the process has a plurality of problems, for example, when the chute is fixed on the steel mould trolley or the combined steel mould template by a spot welding method, the template can be burnt out or deformed due to local high temperature, the flatness of the surface of the template cannot meet the requirement, and finally the casting quality of the secondary lining concrete is unqualified; the method is characterized in that after a certain number of bins of the second lining are poured, the holes of the template can be slowly increased due to abrasion, so that a concrete slurry leakage site is caused, and meanwhile, the process is also greatly influenced by the thickness of the second lining and the influence of the non-multiple relation between the length of the steel mould trolley and the distance between the sliding grooves; the greatest problem of adopting the two methods is that the accuracy of the chute construction and the insulativity of the chute and the secondary lining steel bar cannot be ensured, and meanwhile, the process has the defects of slower construction, no guarantee on construction quality, large labor investment, low efficiency and the like.
Disclosure of Invention
The invention aims to provide a tunnel embedded chute mounting fixer and application thereof, which can be used for fast processing and production on site and fast construction on site, and can be used for safely, quickly, accurately, economically and insulating mounting and fixing.
The technical scheme of the invention is as follows: a tunnel embedded chute mounting fixer comprises a positioning pipe, a positioning plate, an adjusting nut and a chute; the locating plate is sleeved on the outer diameter of the locating pipe, the adjusting nuts are arranged on two sides of the locating plate, the anchor ends on the sliding grooves are arranged inside the locating pipe, the springs are arranged inside the locating pipe, the anchors on the sliding grooves are in contact with the springs and are fixed with the locating pipe through the insulating sleeve, the insulating sleeve is arranged inside the locating pipe, and the locating pipe is arranged between the locating pipe and the anchor of the sliding grooves.
The other end of the positioning tube is provided with an insulating protective cap.
The contact part of the insulating protective cap and the positioning tube is provided with an insulating gasket.
The length of the insulating sleeve is 1-2cm longer than that of the positioning tube.
The application method of the tunnel embedded chute mounting fixer comprises the following steps:
1) After the binding of the two lining steel bars of the tunnel is completed, pre-buried chute construction is carried out, firstly, the position of the paying-off chute is measured on site, the position of the paying-off chute is measured, the positioning plate and the two lining steel bars are welded and fixed, after the welding is firm, the length of the positioning pipe is adjusted through an adjusting nut of the adjusting fixer, and finally, the positioning pipe is fixed through the adjusting nut.
2) After the fixer is fixed, the processed spring is placed in the positioning tube, meanwhile, the insulation protection cap of the positioning tube is tightened, finally, the chute anchor is inserted into the positioning tube with the insulation sleeve and the insulation gasket, the length of the insulation sleeve is 1 cm to 2cm longer than that of the positioning tube, and the spring is arranged in the positioning tube, so that the embedded chute can have certain elasticity in the actual construction process, and the construction quality of the chute is ensured. And (5) after the fixation construction of the embedded chute is finished, secondary lining concrete pouring is carried out.
The fixing device is welded and fixed with the two lining steel bars through the locating plate, so that the construction accuracy and the construction quality of the on-site sliding chute can be guaranteed, meanwhile, the on-site waste materials can be well utilized, the construction is convenient and rapid, the installation quality is high, the accuracy is high, the sliding chute is firmly fixed, meanwhile, the fixing device can well achieve the fixing and insulating effects, the investment of materials and manpower is saved, and the construction period and the economic investment are saved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to those skilled in the art that other drawings can be obtained according to these drawings without inventive effort.
Fig. 1 is a schematic structural view (schematic plan view) of a tunnel pre-buried chute fixer according to the present invention.
Fig. 2 is a schematic longitudinal section view of the tunnel pre-buried chute holder of the present invention.
In the figure, a 1-insulating protective cap, a 2-wire tooth, a 3-locating plate, a 4-spring, a 5-locating sleeve, a 6-insulating sleeve, a 7-insulating gasket, an 8-adjusting nut, a 9-chute anchor and a 10-chute.
Detailed Description
As shown in fig. 1 and 2, the tunnel pre-buried chute fixer of the invention consists of an insulation protection cap 1, a wire tooth 2, a positioning plate 3, a spring 4, a positioning sleeve 5, an insulation sleeve 6, an insulation gasket 7, an adjusting nut 8, a chute anchor 9, a chute 10 and the like; the locating plate is sleeved on the outer diameter of the locating pipe, the adjusting nuts are arranged on two sides of the locating plate, the anchor ends on the sliding grooves are arranged inside the locating pipe, the springs are arranged inside the locating pipe, the anchors on the sliding grooves are in contact with the springs and are fixed with the locating pipe through the insulating sleeve, the insulating sleeve is arranged inside the locating pipe, and the locating pipe is arranged between the locating pipe and the anchor of the sliding grooves. The chute is installed and insulated from stray current, is insulated from the structural steel bar, and can be fixed on the structural steel bar and also insulated from the steel bar.
The other end of the positioning tube is provided with an insulating protective cap.
The contact part of the insulating protective cap and the positioning tube is provided with an insulating gasket.
The length of the insulating sleeve is 1-2cm longer than that of the positioning tube.
The concrete construction method of the tunnel embedded chute fixer comprises the following steps:
the concrete construction method of the tunnel embedded chute fixer comprises the following steps: the locating pipe adopts a steel pipe with phi 25, one end of the locating pipe is processed into threads, an insulating gasket is arranged at the end head of the locating steel pipe with the threads, and the insulating gasket and the insulating sleeve in the locating steel pipe are glued into a whole, so that the inside of the locating steel pipe is an insulating space, and meanwhile, the insulating protective cap is tightened through the threads of the locating steel pipe, so that the effect of protecting the insulating gasket from falling off or being damaged is achieved. Finally, the positioning tube is fixed on the positioning plate (flat iron) through two adjusting nuts.
When the tunnel embedded chute fixer is in the field construction process, the fixer is welded to the second lining steel bar of the tunnel through the locating plate, the length of the locating pipe is adjusted through the adjusting nut, the locating pipe is fixed on the locating plate, and finally, the chute anchor is inserted into the locating pipe with the spring to fix the chute, and the second lining concrete pouring construction of the tunnel is carried out after the chute is fixed according to the design requirement.
After the binding of the two lining steel bars of the tunnel is completed, pre-buried chute construction is carried out, firstly, the position of the paying-off chute is measured on site, the position of the paying-off chute is measured, the positioning plate and the two lining steel bars are welded and fixed, after the welding is firm, the length of the positioning pipe is adjusted through an adjusting nut of the adjusting fixer, and finally, the positioning pipe is fixed through the adjusting nut.
After the fixer is fixed, the processed spring is placed in the positioning tube, meanwhile, the insulation protection cap of the positioning tube is tightened, finally, the chute anchor is inserted into the positioning tube with the insulation sleeve and the insulation gasket, the length of the insulation sleeve is 1 cm to 2cm longer than that of the positioning tube, and the spring is arranged in the positioning tube, so that the embedded chute can have certain elasticity in the actual construction process, and the construction quality of the chute is ensured. And (5) after the fixation construction of the embedded chute is finished, secondary lining concrete pouring is carried out.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; those of ordinary skill in the art will appreciate that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (3)
1. The application method of the tunnel embedded chute installation fixer is based on the tunnel embedded chute installation fixer and is characterized in that: the tunnel embedded chute mounting fixer comprises a positioning pipe, a positioning plate, an adjusting nut, an insulating sleeve, an insulating gasket, a telescopic spring and a chute; the positioning plate is sleeved on the outer diameter of the positioning pipe, the adjusting nuts are arranged on two sides of the positioning plate, the anchor nail ends on the sliding grooves are arranged in the positioning pipe, the telescopic springs are arranged in the positioning pipe, the anchor nails on the sliding grooves are in contact with the telescopic springs and are fixed with the positioning pipe through the insulating sleeve and the insulating gasket, the insulating sleeve and the insulating gasket are arranged in the positioning pipe, the insulating gasket and the insulating sleeve in the positioning steel pipe are glued into a whole, and the insulating sleeve and the insulating gasket are arranged between the positioning pipe and the anchor nails of the sliding grooves;
the application method of the tunnel pre-buried chute mounting fixer is carried out according to the following steps:
1) After binding of the second lining steel bars of the tunnel is completed, pre-buried chute construction is carried out, firstly, the position of a paying-off chute is measured on site, welding and fixing are carried out on the position of the paying-off chute through a positioning plate of a tunnel pre-buried chute installation fixer and the second lining steel bars, after welding is firm, the length of a positioning pipe is adjusted to reach the length required by measurement through adjusting a regulating nut of the tunnel pre-buried chute installation fixer, and finally, the positioning pipe is fixed through the regulating nut;
2) After the tunnel embedded chute installation fixer is fixed, the processed telescopic spring is placed into the positioning pipe, meanwhile, the insulation protection cap of the positioning pipe is tightened, and finally, the chute anchor is inserted into the positioning pipe with the insulating sleeve and the insulating gasket, the length of the insulating sleeve is 1 cm to 2cm longer than that of the positioning pipe, and due to the telescopic spring arranged in the positioning pipe, the embedded chute can have certain elasticity in the actual construction process, the chute construction quality is ensured, and secondary lining concrete pouring is performed after the fixed construction of the embedded chute is completed.
2. The application method of the tunnel pre-buried chute installation fixer according to claim 1, wherein: the other end of the positioning tube is provided with an insulating protective cap.
3. The application method of the tunnel pre-buried chute installation fixer according to claim 2, wherein: the contact part of the insulating protective cap and the positioning tube is provided with an insulating gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710679899.8A CN107387128B (en) | 2017-08-10 | 2017-08-10 | Tunnel embedded chute mounting fixer and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710679899.8A CN107387128B (en) | 2017-08-10 | 2017-08-10 | Tunnel embedded chute mounting fixer and application |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107387128A CN107387128A (en) | 2017-11-24 |
| CN107387128B true CN107387128B (en) | 2023-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710679899.8A Active CN107387128B (en) | 2017-08-10 | 2017-08-10 | Tunnel embedded chute mounting fixer and application |
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| CN (1) | CN107387128B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112211671A (en) * | 2020-10-22 | 2021-01-12 | 中电建南方建设投资有限公司 | Tunnel embedded sliding groove fixer and implementation method thereof |
| CN113969797B (en) * | 2021-10-21 | 2024-03-19 | 中铁二局集团有限公司 | Tunnel contact net channel positioning device and application method thereof |
| CN116181365B (en) * | 2022-12-30 | 2023-11-21 | 中铁二局集团有限公司 | Built-in channel with limiting device and mounting method thereof |
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| CN107387128A (en) | 2017-11-24 |
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