CN213682477U - Upper cover structure system applied to track operation line - Google Patents
Upper cover structure system applied to track operation line Download PDFInfo
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- CN213682477U CN213682477U CN202022365361.XU CN202022365361U CN213682477U CN 213682477 U CN213682477 U CN 213682477U CN 202022365361 U CN202022365361 U CN 202022365361U CN 213682477 U CN213682477 U CN 213682477U
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Abstract
The utility model belongs to the technical field of the track traffic upper cover structure technique and specifically relates to a be applied to upper cover structural system of track operation line, its characterized in that: the upper cover structure system comprises a prefabricated frame column, a prefabricated frame beam and a prefabricated bottom plate, wherein the prefabricated frame column and the prefabricated frame beam are fixedly connected through a connecting structure, the prefabricated bottom plate is fixedly connected with the prefabricated frame beam through a connecting structure, and a cast-in-place layer is poured above the prefabricated bottom plate. The utility model has the advantages that: reasonable structure, clear function, strong operability, novel design and the like.
Description
Technical Field
The utility model belongs to the technical field of the track traffic upper cover structure technique and specifically relates to a be applied to upper cover structure system of track operation line.
Background
With the development of cities in recent years, urban rail transit influences the land mass traffic on two sides of a line in early years of ground lines, and the city is cracked, a reinforced concrete upper cover needs to be erected above the line, the construction of the urban rail transit cannot influence the operation of the existing rail, and a rapidly-built assembly type structure system is needed. In a railway station house, the reconstruction of an old station house requires the construction of an on-line waiting hall, and the construction of the on-line waiting hall also relates to the problem of the construction of an upper cover structure on an operation line.
According to the structural form of the cover body, a steel structure or an assembled concrete structure can be adopted, daily maintenance including rust prevention and corrosion prevention of the steel structure is needed when the steel structure is adopted, particularly for urban rail transit, maintenance units under the cover and use units on the cover are different, and coordination is difficult during operation. The fabricated concrete structure has obvious advantages in subsequent operational use. However, the span of the general span of the fabricated concrete structure is not large, the construction temporary support needs to be arranged, the construction temporary support can be detached only after the post-poured concrete and the prefabricated part form a superposed component and the whole stress is applied, the construction temporary support affects the line operation, and the lower track line is difficult to continue to operate during the construction period.
Therefore, the system and the implementation method thereof are important, wherein the system can be built quickly, excessive maintenance work cannot be generated in the use stage after the system is built, temporary supports are not arranged in the construction stage to influence the line operation, and a large span can be spanned to meet the railway clearance.
Disclosure of Invention
The utility model aims at providing a be applied to track operation line's upper cover structure system according to above-mentioned prior art not enough, realize under the prerequisite of establishing the construction and supporting temporarily through prefabricated frame post, prefabricated frame roof beam, prefabricated bottom plate matched with system, in the track operation line top construction upper cover structure.
The utility model discloses the purpose is realized accomplishing by following technical scheme:
the utility model provides a be applied to track operation line's upper cover structural system which characterized in that: the upper cover structure system comprises a prefabricated frame column, a prefabricated frame beam and a prefabricated bottom plate, wherein the prefabricated frame column and the prefabricated frame beam are fixedly connected through a connecting structure, the prefabricated bottom plate is fixedly connected with the prefabricated frame beam through a connecting structure, and a cast-in-place layer is poured above the prefabricated bottom plate.
The upper cover structure system further comprises a temporary stand column, the temporary stand column is installed above the prefabricated frame column, and the temporary stand column is connected with the prefabricated frame beam through a stay cable.
The prefabricated frame beam with the bottom both ends of prefabricated bottom plate are provided with embedded nut respectively, prefabricated frame beam accessible is connected limit screw at its embedded nut and is realized its compare in the spacing of prefabricated frame post, prefabricated bottom plate accessible is connected limit screw at its embedded nut and is realized its compare in the spacing of prefabricated frame beam.
The prefabricated frame column is connected with the prefabricated frame beam in a mode of prefabricating a clamping groove or setting a column corner connector at the column head position of the prefabricated frame column.
The column cap position of prefabricated frame post is pre-buried has the screw rod, the post angle sign indicating number pass through the screw rod with prefabricated frame post is connected fixedly.
The prefabricated frame beam is connected with the prefabricated bottom plate in a mode of prefabricating and picking ears on two sides of a beam body or setting beam corner connectors.
The beam corner connectors are fixedly connected with the prefabricated frame beam through the screw rods.
The prefabricated frame column is connected with a field through a guy cable.
The prefabricated bottom plate is a prestressed hollow bottom plate.
An implementation method related to the upper cover structure system applied to the track operation line is characterized in that: the implementation method comprises the following steps:
erecting prefabricated frame columns on two sides of a line, erecting prefabricated frame beams by arranging column corner connectors at column cap positions of the prefabricated frame columns, and supporting the prefabricated frame beams on the column corner connectors;
erecting a prefabricated bottom plate in a mode of arranging beam corner connectors at two sides of a beam body of the prefabricated frame beam, wherein the prefabricated bottom plate is supported on the prefabricated frame beam and the beam corner connectors;
respectively installing limiting screws at the positions of the embedded nuts arranged on the prefabricated frame beam and the prefabricated bottom plate, so that the prefabricated frame beam and the prefabricated bottom plate are respectively limited;
erecting a temporary upright column above the prefabricated frame column and connecting the temporary upright column with the prefabricated frame beam through a stay cable so as to complete the erection of an upper cover structure system;
and installing reinforcing steel bars on the prefabricated base plates and pouring a cast-in-place layer to enable the prefabricated frame columns, the prefabricated frame beams and the prefabricated base plates to form a superposed member to bear the whole force, and then removing the temporary upright columns and the stay cables thereof.
The utility model has the advantages that: reasonable structure, clear function, strong operability, novel design and the like.
Drawings
Fig. 1 is a schematic elevation structure of the present invention;
FIG. 2 is a sectional view taken along line A-A of FIG. 1;
FIG. 3 is a center pillar corner brace axis mapping diagram of the present invention;
FIG. 4 is an isometric view of a middle slot type prefabricated column head of the present invention;
FIG. 5 is a perspective view of the center sill corner brace of the present invention;
fig. 6 is a schematic structural view of the middle ear-picking type prefabricated frame beam of the present invention;
fig. 7 is a sectional view taken along line B-B of fig. 2.
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. 1-7, reference numerals 1-19 in the drawings are respectively designated as: the prefabricated frame column comprises a prefabricated frame column 1, a prefabricated frame beam 2, a column corner connector 3, a screw rod 4, a cable wind rope 5, an embedded nut 6, a limit screw rod 7, a prefabricated bottom plate 8, a beam corner connector 9, an embedded screw rod 10, an embedded nut 11, a limit screw rod 12, a prefabricated clamping groove type column cap 13, a lifting lug 14, a temporary upright column 15, a reserved steel bar 16, an embedded lifting ring 17, a stay cable 18 and a welding lifting ring 19.
Example (b): be applied to track operation line's upper cover structure system in this embodiment mainly is applied to the condition of the apron of erectting above the track operation line, and the system breaks the mode that traditional assembled structure construction period need set up prefabricated bottom plate temporary support and precast beam temporary support, can cooperate the hollow prefabricated bottom plate of adoption prestressing force simultaneously, realizes not setting up temporary support and stridees across great span, prevents to invade the track boundary limit.
Specifically, as shown in fig. 1 and 2, the upper cover structure system body applied to the track service line in the present embodiment includes a prefabricated frame column 1, a prefabricated frame beam 2, and a prefabricated floor panel 8.
Wherein, the column cap position of prefabricated frame post 1 is pre-buried has screw rod 4, and screw rod 4 can be connected fixedly with post angle sign indicating number 3. As shown in fig. 3, the structure of the corner brace 3 includes a vertical connecting plate provided with a connecting hole matched with the screw rod 4 and a horizontal supporting plate arranged above the vertical connecting plate, and the horizontal supporting plate is used for supporting the prefabricated frame beam 2; when using, pre-buried screw rod 4 in 1 column cap position of prefabricated frame post can pass to be established in the connecting hole of the vertical connecting plate of post angle sign indicating number 3 to make post angle sign indicating number 3 be connected with prefabricated frame post 1, thereby make post angle sign indicating number 3 can effectively support prefabricated frame roof beam 2. In order to guarantee the supporting strength of the column corner connector 3, an oblique stiffening plate is further arranged between the vertical connecting plate and the horizontal supporting plate, so that the integrity of the vertical connecting plate and the integrity of the horizontal supporting plate are further improved, and the supporting effect on the prefabricated frame beam 2 is guaranteed.
As shown in fig. 7, screws 10 are embedded in two sides of the prefabricated frame beam 2, and the screws 10 can be connected and fixed with the beam corner connector 9. As shown in fig. 5, the structure of the beam corner brace 9 is similar to that of the column corner brace 3, and includes a vertical connecting plate provided with a connecting hole matched with the screw 10 and a horizontal supporting plate, and the horizontal supporting plate is used for supporting the prefabricated bottom plate 8, so as to build a column (prefabricated frame column 1) beam (prefabricated frame beam 2) plate (prefabricated bottom plate 8) system.
The bottom of the prefabricated frame beam 2 is provided with the embedded nut 6, the limitation of the prefabricated frame beam 2 can be realized by installing the limiting screw 7 matched with the embedded nut 6 on site, and the prefabricated frame beam 2 is prevented from sliding and falling off during construction. Specifically, as shown in fig. 1, the embedded nut 6 is embedded at the bottom end of the prefabricated frame beam 2 and located at the periphery of the column corner connector 3, the limit screw 7 installed on the embedded nut 6 extends out of the bottom surface of the prefabricated frame beam 2, and at this time, the prefabricated frame beam 2 is limited compared with the prefabricated frame column 1 through the limit screw 7. Namely, the design principle is that the limit of the prefabricated frame beam 2 is realized by arranging a limit structure which can be matched with the prefabricated frame column 1 or the column corner connector 3 at the bottom of the prefabricated frame beam. Similarly, the bottom of the prefabricated bottom plate 8 is embedded with the embedded nuts 11, and the limit screws 12 matched with the embedded nuts 11 are installed on site, so that the prefabricated bottom plate 8 can be limited compared with the prefabricated frame beam 2, and the prefabricated bottom plate 8 is prevented from slipping and falling during construction.
For a large-span beam, an embedded hanging ring 17 is embedded in the top of the prefabricated frame beam 2, and the embedded hanging ring 17 can be tied with a welding hanging ring 19 on the temporary steel column 15 through a stay cable 18, so that the construction disturbance problem of the large-span prefabricated beam is solved. The temporary steel column 15 can be temporarily connected and fixed with the prefabricated frame column 1 through a reserved steel bar 16 arranged on the column head of the prefabricated frame column.
In the implementation of this embodiment, the following steps are included:
1) the prefabricated frame column 1 is erected on two sides of a circuit of an existing track operation line respectively, and the prefabricated frame beam 2 is connected with the prefabricated frame column 1 through a column corner connector 3. Wherein, post angle sign indicating number 3 is connected with it through the pre-buried screw rod 4 of 1 column cap of prefabricated frame post.
2) The prefabricated bottom plate 8 is connected with the prefabricated frame beam 2 through a beam corner connector 9. Wherein, the beam angle sign indicating number 9 is connected with it through the pre-buried screw rod 10 of prefabricated frame roof beam 2.
3) The prefabricated frame column 1 is connected with a construction site through a guy rope 5, and the stability of the prefabricated frame column 1 during construction is guaranteed.
4) The limiting screw 7 is connected with the prefabricated frame beam 2 through the embedded nut 6, and the limiting rod 12 is connected with the prefabricated bottom plate 8 through the embedded nut 11.
5) The temporary upright posts 15 are connected by reserved steel bars 16 of the prefabricated frame posts 1, and the frame beam hanging rings 17 are tied with the temporary upright posts 15 through stay cables 18.
6) After the system is installed, upper reinforcing steel bars are installed on the top surface of the prefabricated bottom plate 8, a cast-in-place layer is poured, and the upper reinforcing steel bars and the prefabricated beam slab columns form a superposed component which is integrally stressed. The temporary upright post 15, the diagonal steel cable 18 and the guy cable 5 are removed.
In the embodiment, in specific implementation: in addition to the column corner connectors 3 in the above embodiments, the prefabricated frame column 1 and the prefabricated frame beam 2 can be connected through the prefabricated slot type column caps 13 shown in fig. 4, that is, the top of the prefabricated frame column 1 is provided with the slot matched with the prefabricated frame beam 2, and the prefabricated frame beam 2 can be clamped in the slot on the top of the prefabricated frame column 1, so that the prefabricated frame column 1 and the prefabricated frame beam 2 can be quickly connected and fixed.
Instead of using the beam corner connectors 9 in the above-described embodiments, the connection between the prefabricated frame beam 2 and the prefabricated floor 8 can also be achieved by means of the overhanging lugs 14 as shown in fig. 6, i.e. outwardly overhanging lugs 14 are provided on both sides of the prefabricated frame beam 2, which lugs 14 partly support the prefabricated floor 8 together with the main body of the prefabricated frame beam 2.
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 (9)
1. The utility model provides a be applied to track operation line's upper cover structural system which characterized in that: the upper cover structure system comprises a prefabricated frame column, a prefabricated frame beam and a prefabricated bottom plate, wherein the prefabricated frame column and the prefabricated frame beam are fixedly connected through a connecting structure, the prefabricated bottom plate is fixedly connected with the prefabricated frame beam through a connecting structure, and a cast-in-place layer is poured above the prefabricated bottom plate.
2. The upper cover structure system applied to the track service line according to claim 1, wherein: the upper cover structure system further comprises a temporary stand column, the temporary stand column is installed above the prefabricated frame column, and the temporary stand column is connected with the prefabricated frame beam through a stay cable.
3. The upper cover structure system applied to the track service line according to claim 1, wherein: the prefabricated frame beam with the bottom both ends of prefabricated bottom plate are provided with embedded nut respectively, prefabricated frame beam accessible is connected limit screw at its embedded nut and is realized its compare in the spacing of prefabricated frame post, prefabricated bottom plate accessible is connected limit screw at its embedded nut and is realized its compare in the spacing of prefabricated frame beam.
4. The upper cover structure system applied to the track service line according to claim 1, wherein: the prefabricated frame column is connected with the prefabricated frame beam in a mode of prefabricating a clamping groove or setting a column corner connector at the column head position of the prefabricated frame column.
5. A cover construction system for a track service line according to claim 4, wherein: the column cap position of prefabricated frame post is pre-buried has the screw rod, the post angle sign indicating number pass through the screw rod with prefabricated frame post is connected fixedly.
6. The upper cover structure system applied to the track service line according to claim 1, wherein: the prefabricated frame beam is connected with the prefabricated bottom plate in a mode of prefabricating and picking ears on two sides of a beam body or setting beam corner connectors.
7. The upper cover structure system applied to the track service line according to claim 6, wherein: the beam corner connectors are fixedly connected with the prefabricated frame beam through the screw rods.
8. The upper cover structure system applied to the track service line according to claim 1, wherein: the prefabricated frame column is connected with a field through a guy cable.
9. The upper cover structure system applied to the track service line according to claim 1, wherein: the prefabricated bottom plate is a prestressed hollow bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022365361.XU CN213682477U (en) | 2020-10-22 | 2020-10-22 | Upper cover structure system applied to track operation line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022365361.XU CN213682477U (en) | 2020-10-22 | 2020-10-22 | Upper cover structure system applied to track operation line |
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| Publication Number | Publication Date |
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| CN213682477U true CN213682477U (en) | 2021-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022365361.XU Active CN213682477U (en) | 2020-10-22 | 2020-10-22 | Upper cover structure system applied to track operation line |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022083380A1 (en) * | 2020-10-22 | 2022-04-28 | 中铁上海设计院集团有限公司 | Overhead cover structure system applicable in operational railway line and implementation method for system |
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2020
- 2020-10-22 CN CN202022365361.XU patent/CN213682477U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022083380A1 (en) * | 2020-10-22 | 2022-04-28 | 中铁上海设计院集团有限公司 | Overhead cover structure system applicable in operational railway line and implementation method for system |
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