CN216588627U - Construction rack for lining of existing line of high-speed railway - Google Patents
Construction rack for lining of existing line of high-speed railway Download PDFInfo
- Publication number
- CN216588627U CN216588627U CN202122937998.6U CN202122937998U CN216588627U CN 216588627 U CN216588627 U CN 216588627U CN 202122937998 U CN202122937998 U CN 202122937998U CN 216588627 U CN216588627 U CN 216588627U
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- Prior art keywords
- rack
- speed railway
- existing line
- lining
- construction
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- Expired - Fee Related
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- 238000010276 construction Methods 0.000 title claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 15
- 239000010959 steel Substances 0.000 claims abstract description 15
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 11
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 11
- 241001330002 Bambuseae Species 0.000 claims abstract description 11
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 11
- 239000011425 bamboo Substances 0.000 claims abstract description 11
- 239000011120 plywood Substances 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 abstract description 6
- 238000013461 design Methods 0.000 description 6
- 238000009415 formwork Methods 0.000 description 6
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to the technical field of railway tunnel construction, in particular to a construction rack for bushing of an existing line of a high-speed railway; the method comprises the following steps: rack body, boundary beam, well roof beam, the rack body comprises multisection boundary beam and well roof beam according to corresponding serial number and order concatenation, and the transverse section of rack body is circular-arc structure, the skeleton is constituteed by I-steel and channel-section steel to boundary beam and well roof beam, and the inside spread groove that has all preset of boundary beam and well roof beam to adjacent boundary beam and well roof beam splice the equipment through the spread groove. This existing line of high-speed railway is construction rack for bushing, convenient to detach, at the mill advance an arch skeleton scene easily transport and assemble, structural rigidity is great not to have the not enough die running phenomenon that causes of bar planting intensity, adopts flange bolt to bolt between each component, and the template adopts thick bamboo plywood, and the bamboo plywood can be crooked as required, and consequently pour back template seam less, and the outward appearance is level and smooth to the aesthetic measure after pouring has been improved.
Description
Technical Field
The utility model relates to the technical field of railway tunnel construction, in particular to a construction rack for a bushing of an existing line of a high-speed railway.
Background
The existing line tunnel two lining bushing construction formwork support system still need not influence the next day train after skylight time construction every day is current after satisfying intensity, rigidity and stability requirement, and the bushing concrete must compromise requirements such as safety, pleasing to the eye and durability after the construction, and along with the development of society, the construction rack class that emerges on the market is more and more, but current device still has certain use defect when using, just for example:
the existing device is composed of huge small-sized steel plates, the weight and the occupied area are large, so that the installation is disassembled by an inconvenient user, the transportation is inconvenient to the user, the user is inconvenient to use, a large number of formwork seams exist after the formwork is disassembled, the attractiveness is low, finally, a large number of formwork drawing reinforcing steel bars exist in a formwork lifting mode, the formwork is required to be polished and derusted, the corrosion prevention treatment is carried out, the rust expansion and the block falling danger exist in the later period carelessly, and the practicability of the device is low.
Therefore, those skilled in the art are working on developing a construction rack for lining existing lines of high-speed railways.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problems that the existing device is inconvenient to disassemble and assemble, the aesthetic degree is low, and the later-period use risk factor is large.
In order to achieve the above object, the present invention provides a construction rack for a bushing of an existing line of a high-speed railway, comprising: a rack body, a side beam and a middle beam,
the rack body is formed by splicing a plurality of sections of boundary beams and a middle beam according to corresponding numbers and sequences, and the transverse section of the rack body is of an arc-shaped structure;
the boundary beam and the middle beam form a framework by I-steel and channel steel, connecting grooves are preset in the boundary beam and the middle beam, and adjacent boundary beams and the middle beam are spliced and assembled through the connecting grooves.
The user can go on boundary beam and well roof beam according to N1, N2 and N3's serial number to the person of facilitating the use can splice the equipment according to the assigned order, and has reduced certain area at the in-process that removes the transportation, conveniently removes the transportation to it.
The outer surface of the rack body is provided with a template, and the template is of an existing thick bamboo plywood type structure.
The template of thick bamboo plywood type material can be crooked according to the user demand, has avoided the user to have the limitation when using.
The lower end of the rack body is attached to the outside ground, and a central ditch is preset at the middle end inside the ground.
The design of the central ditch ensures drainage engineering, and before the boundary beam and the middle beam enter a construction site, the ground required by the construction site needs to be leveled.
Wherein, first flanges are installed at the upper end and the lower end of the boundary beam.
The first flange adopts the existing structure, and the design of the first flange can ensure that the adjacent boundary beams are connected with each other and between the adjacent boundary beams and the middle beam, so that convenience is brought to users for assembling the boundary beams.
And second flanges are arranged at the upper end and the lower end of the middle beam, and the size of the second flange corresponds to the size of the signal of the first flange.
The design of first flange and second flange can improve the stability of connecting between boundary beam and the centre sill, and the user can carry out two lining processing to it simultaneously at the in-process of connecting to further improve the stability of its connection.
The left side and the right side of the ground are sequentially provided with a power cable groove, a side ditch and a through cable groove from inside to outside.
The design of the power cable groove, the side ditch and the through cable groove can lay cables, so that the normal use of the tunnel system is guaranteed.
The installation heights of the power cable groove, the side ditch and the through cable groove are higher than that of the central ditch.
The installation of the power cable groove, the side ditch and the through cable groove is lower than the installation height of the central ditch, so that the phenomenon that water is accumulated in the power cable groove, the side ditch and the through cable groove is avoided.
The utility model has the beneficial effects that:
1. when the prefabricated arch framework is used, the prefabricated arch framework is convenient to disassemble, the prefabricated arch framework is easy to transport and assemble on site in a factory, the structural rigidity is high, the phenomenon of die running caused by insufficient bar planting strength does not exist, and all components are bolted by flange bolts, so that the use requirements of users are met;
2. when the bamboo plywood is used, the thick bamboo plywood is adopted as the template, and the bamboo plywood can be bent as required, so that the template has fewer seams after pouring and smooth appearance, the attractiveness degree after pouring is improved, and the bamboo plywood is convenient for a user to use;
3. when the device is used, no die drawing steel bar is needed, the arched framework supports the template well, no large amount of embedded steel bars need to be installed, and the steel bar protective layer meets the design requirement, so that the problems of peeling and falling of the steel bar caused by later rust expansion are not needed to be worried, the problem of later maintenance is avoided, the safety of the device in use is guaranteed, and the practicability of the device is improved.
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 below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic overall front cross-sectional structural view of an embodiment of the present invention;
FIG. 2 is a side view of the side beam and first flange mounting arrangement of an embodiment of the present invention;
FIG. 3 is a side view of a center sill and secondary flange mounting arrangement in accordance with an embodiment of the present invention;
FIG. 4 is a cross-sectional structural schematic of an I-beam according to an embodiment of the present invention;
FIG. 5 is a schematic cross-sectional view of a channel in accordance with an embodiment of the present invention;
fig. 6 is a schematic elevation view of the ground and side ditch installation structure according to the embodiment of the present invention.
Name of part
1. A rack body; 2. a boundary beam; 3. a first flange; 4. a middle beam; 5. a second flange; 6. a template; 7. i-shaped steel; 8. channel steel; 9. a ground surface; 10. a central gutter; 11. a power cable trough; 12. side ditches; 13. a pass-line cable groove.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 6, the present invention provides a construction rack for lining an existing line of a high-speed railway, including: the rack comprises a rack body 1, side beams 2 and a middle beam 4, wherein the rack body 1 is formed by splicing a plurality of sections of side beams 2 and the middle beam 4 according to corresponding numbers and sequences, the transverse section of the rack body 1 is of an arc-shaped structure, the side beams 2 and the middle beam 4 form a framework by I-steel 7 and channel steel 8, connecting grooves are preset in the side beams 2 and the middle beam 4, the adjacent side beams 2 and the middle beam 4 are spliced and assembled through the connecting grooves, first flanges 3 are installed at the upper end and the lower end of each side beam 2, second flanges 5 are arranged at the upper end and the lower end of each middle beam 4, and the type size of each second flange 5 corresponds to the signal size of each first flange 3;
in the embodiment, firstly, a user can number the prepared boundary beams 2 and the middle beams 4, secondly, the numbered boundary beams 2 and the middle beams 4 can be transported to a construction site for assembly, in the process of assembly, the user can firstly install the boundary beam 2 with one side N2, secondly install the boundary beam 2 with the same ring N3, secondly install the boundary beam 2 with N1, when the boundary beam 2 with one side is installed, the user can connect the middle beam 4 with the N2 adjacent to the boundary beam 2 with N1, secondly install the middle beam 4 with the N1 adjacent to the middle beam 4 with N3, and finally install the middle beam 4 with N1, when the assembly with one side is completed, the other side can be assembled according to the steps to form the rack body 1, the corresponding components can be reinforced through the first flange 3 and the second flange 5 in the process of assembly, the stability of the connection can be ensured, and simultaneously, the two-lining reinforcement can be carried out between the components, the stability of the sleeve liner is further improved, when the assembly is completed, concrete can be poured on the sleeve liner, and the sleeve liner can be reversely detached according to the installation steps after the pouring is completed, so that the use of a user is facilitated.
Further, a template 6 is arranged on the outer surface of the rack body 1, and the template 6 is of an existing thick bamboo plywood type structure;
in this embodiment, can adopt thick bamboo plywood to set up at the surface of rack body 1 for the template 6 of material after pouring the completion, at the in-process of installation, template 6 can be crooked as required, consequently makes to pour the back gap less, and the surface is level and smooth to the aesthetic measure of the device has been improved.
Further, the lower end of the rack body 1 is attached to the outside ground 9, a central ditch 10 is preset at the middle end inside the ground 9, power cable grooves 11, side ditches 12 and cable passing grooves 13 are sequentially arranged on the left side and the right side of the ground 9 from inside to outside, and the installation heights of the power cable grooves 11, the side ditches 12 and the cable passing grooves 13 are higher than that of the central ditch 10;
in the embodiment, before the assembly of the rack body 1, a user can level the surface of the ground 9 of the lining area, and install the cables inside the power cable groove 11, the side ditch 12 and the cable groove 13 in sequence, and the design of the central ditch 10 shows the drainage effect of the device, thereby increasing the practicability of the device.
While the utility model 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 utility model.
Claims (7)
1. A construction rack for a high-speed railway existing line bushing comprises: a rack body (1), a side beam (2) and a middle beam (4), which is characterized in that,
the rack body (1) is formed by splicing a plurality of sections of boundary beams (2) and a middle beam (4) according to corresponding numbers and sequences, and the transverse section of the rack body (1) is of an arc-shaped structure;
boundary beam (2) and well roof beam (4) constitute the skeleton by I-steel (7) and channel-section steel (8), and boundary beam (2) and well roof beam (4) inside all preset the spread groove to adjacent boundary beam (2) and well roof beam (4) carry out the concatenation equipment through the spread groove.
2. The construction rack for lining an existing line of a high-speed railway according to claim 1,
the outer surface of the rack body (1) is provided with a template (6), and the template (6) is of an existing thick bamboo plywood type structure.
3. The construction rack for lining an existing line of a high-speed railway according to claim 1,
the lower end of the rack body (1) is attached to the outside ground (9), and a central ditch (10) is preset at the middle end inside the ground (9).
4. The construction rack for lining an existing line of a high-speed railway according to claim 1,
and first flanges (3) are arranged at the upper end and the lower end of the edge beam (2).
5. The construction rack for lining an existing line of a high-speed railway according to claim 1,
and second flanges (5) are arranged at the upper end and the lower end of the middle beam (4), and the size of the second flanges (5) corresponds to the size of the signal of the first flange (3).
6. The construction rack for lining an existing line of a high-speed railway according to claim 3,
the left side and the right side of the ground (9) are sequentially provided with a power cable groove (11), a side ditch (12) and a through cable groove (13) from inside to outside.
7. The construction rack for lining an existing line of a high-speed railway according to claim 6,
the installation heights of the power cable groove (11), the side ditch (12) and the through cable groove (13) are higher than that of the central ditch (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122937998.6U CN216588627U (en) | 2021-11-27 | 2021-11-27 | Construction rack for lining of existing line of high-speed railway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122937998.6U CN216588627U (en) | 2021-11-27 | 2021-11-27 | Construction rack for lining of existing line of high-speed railway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216588627U true CN216588627U (en) | 2022-05-24 |
Family
ID=81649934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122937998.6U Expired - Fee Related CN216588627U (en) | 2021-11-27 | 2021-11-27 | Construction rack for lining of existing line of high-speed railway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216588627U (en) |
-
2021
- 2021-11-27 CN CN202122937998.6U patent/CN216588627U/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: 20220524 |
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| CF01 | Termination of patent right due to non-payment of annual fee |