CN215948684U - Modular hollow steel column structure in subway field section column type inspection pit - Google Patents
Modular hollow steel column structure in subway field section column type inspection pit Download PDFInfo
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- CN215948684U CN215948684U CN202122372631.4U CN202122372631U CN215948684U CN 215948684 U CN215948684 U CN 215948684U CN 202122372631 U CN202122372631 U CN 202122372631U CN 215948684 U CN215948684 U CN 215948684U
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Abstract
The utility model relates to the field of rail transit, in particular to a combined type hollow steel upright post structure of a subway field section post type inspection pit, which comprises a rail bearing steel plate, an upper upright post, a heightening steel plate, a lower upright post and an upright post foundation which are sequentially connected from top to bottom, wherein two frustum-shaped connectable prefabricated hollow steel upright posts are adopted, and the height of the prefabricated hollow steel upright posts can be adjusted by adding the heightening steel plate in the middle; the rail bearing steel plate and the lower stand column connected with the stand column foundation can be transversely adjusted by utilizing bolts to form two-stage adjustment of the gauge, the two stand columns are of hollow structures, the weight is light, and handle grooves are formed in the two stand columns, so that the rail bearing steel plate is convenient to mount.
Description
Technical Field
The utility model relates to the field of rail transit, in particular to a combined type subway field section column type inspection pit hollow steel column structure.
Background
At present, urban rail transit construction in China is actively developed. A column type inspection pit in a garage is a common track structure in a subway field section and is mainly used for daily overhauling work of vehicles. At present, the traditional cast-in-place column type inspection pit is still generally adopted in a subway yard warehouse, and the problems of low work efficiency, high cost, easy deflection, difficult cleaning and the like often exist.
In addition, there is also a technique for improving the existing integral prefabricated steel upright, which overcomes the shortcomings of the partial cast-in-place column type inspection pit. For example, the utility model patent with the patent number CN111706128A discloses a prefabricated inspection pit upright post and a construction method thereof, the prefabricated inspection pit upright post comprises a prefabricated post body, the middle part of the prefabricated post body is provided with a central through hole penetrating through two ends of the prefabricated post body, the bottom end of a prefabricated main body is supported on a ground beam, a position of the ground beam corresponding to the central through hole is provided with a limit boss, the central through hole is clamped on the limit boss, a reserved steel bar of the ground beam extends into the central through hole from the bottom end of the central through hole through the limit boss, and concrete mortar is filled in the central through hole so as to fixedly connect the prefabricated post body and the ground beam.
The construction method of the prefabricated inspection pit stand column comprises the following steps: firstly, manufacturing the ground beam and accurately positioning the limiting boss to enable the horizontal position and the height of the limiting boss to reach the precision required by mounting the stand column; step two, the prefabricated column body is hung above the ground beam, the central through hole in the middle of the prefabricated column body is clamped on the limiting boss of the ground beam, and the reserved steel bar of the ground beam extends into the central through hole; and step three, pouring the concrete mortar into the central through hole.
The prefabricated type inspection pit stand column provided by the patent adopts a prefabricated construction method, is prefabricated in advance, and can be used for hoisting the manufactured prefabricated column body to a specific position during site construction, so that the procedures of binding a ground beam reserved steel bar and a stand column steel reinforcement cage on the site of a cast-in-place concrete stand column, erecting a formwork, pouring concrete and the like are omitted, and the site construction period of the stand column is greatly shortened. In addition, compare with the cast in place, the size precision of prefabricated cylinder is higher, as long as guarantee the construction precision of grade beam boss just can make the precision on stand top satisfy the demand of later stage track fine tuning, has avoided the change of later stage to the stand.
But the prefabricated column body still has the disadvantages of large weight and incapability of adjusting height and horizontal deviation during installation.
Based on the above, the improvement of the column type inspection pit in the subway yard is urgently needed, so that the requirements of simplification, standardization and scientification are met as much as possible, the construction progress is accelerated, the engineering quality is ensured, the engineering cost is reduced, and a better guidance effect is provided for similar subway engineering. The utility model provides a prefabricated hollow steel upright post structure with adjustable gauge and height, which combines the advantages of high precision, light weight, short construction period, low cost and environmental friendliness of a prefabricated assembly technology.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a combined type subway field section column type inspection pit hollow steel column structure with adjustable height and gauge.
In order to solve the technical problems, the utility model adopts the following technical scheme: a combined type subway field section column type inspection pit hollow steel upright structure comprises a rail bearing steel plate, an upper upright, a height adjusting steel plate, a lower upright and an upright foundation which are sequentially distributed from top to bottom; the rail bearing steel plate is connected with the upper upright post through a first bolt, a first bolt groove is formed in the rail bearing steel plate, a first bolt sliding hole is formed in the first bolt groove, the first bolt sliding hole is a U-shaped hole, and the upper rail bearing steel plate can transversely move, so that the effect of adjusting the track gauge is achieved; the upper upright post is connected with the lower upright post through a second bolt, the upper upright post is provided with a through hole matched with the second bolt, and a height-adjusting steel plate is arranged between the upper upright post and the lower upright post and used for adjusting the height; the lower upright post penetrates through the second bolt sliding hole through a third bolt to be connected with the upright post foundation, so that the two-stage adjustment of the gauge is formed.
Further, in order to realize the sliding, the second bolt sliding hole is a U-shaped hole.
Furthermore, the upper upright post and the lower upright post are both frustum-shaped, the inner parts of the upper upright post and the lower upright post are hollow, the upper upright post is provided with a first hollow hole, and the hole wall at the bottom of the first hollow hole is a processing surface of a through hole; the stand column below is provided with a second hollow hole, and the hole wall at the bottom of the second hollow hole is a processing surface of the second bolt sliding hole.
Furthermore, the upright post foundation is of a reinforced concrete structure, and the upper upright post and the lower upright post are made of steel.
The utility model has the advantages that two frustum-shaped connectable prefabricated hollow steel stand columns are adopted, and the height of the steel plate can be adjusted in the middle; the rail bearing steel plate and the lower upright post connected with the upright post foundation can be transversely adjusted by utilizing bolts to form the secondary adjustment of the gauge. Two stands all adopt hollow structure, and weight is lighter, and all sets up handle recess, the installation of being convenient for.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a partial enlarged view of the first embodiment of the present invention;
FIG. 3 is a second enlarged view of a portion of the present invention;
fig. 4 is a partially enlarged view of the third embodiment of the present invention.
FIG. 5 is a schematic top view of the present invention
1. A rail bearing steel plate; 11. a first bolt slot; 12. fastener bolt holes; 2. An upper column; 21. a first bolt; 22. a first hollowed-out hole; 23. a first handle recess; 3. heightening a steel plate; 4. a lower upright post; 41. a second bolt; 42. a second hollowed-out hole; 43. a second handle recess; 5. a column foundation; 51. a third bolt; 6. a first bolt sliding hole; 7. a second bolt sliding hole.
Detailed Description
The utility model is further described with reference to the drawings and the specific embodiments. Those skilled in the art will be able to implement the utility model based on these teachings. Moreover, the embodiments of the present invention described in the following description are generally only some embodiments of the present invention, and not all embodiments. Therefore, all other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, the combined hollow steel column structure of the subway field section column type inspection pit provided by the embodiment includes a rail bearing steel plate 1, an upper column 2, a height-adjusting steel plate 3, a lower column 4 and a column foundation 5 which are sequentially distributed from top to bottom;
the rail bearing steel plate 1 is connected with the upper upright post 2 through a plurality of first bolts 21, the first bolts 21 are welded on the top surface of the upper upright post 2, and the rail bearing steel plate 1 is sleeved on the plurality of first bolts 21 and then locked through nuts;
a first bolt groove 11 is formed in the rail bearing steel plate 1 corresponding to each first bolt 21, so that nuts can be buried in the rail bearing steel plate 1, a first bolt sliding hole 6 is formed in each first bolt groove 11, the first bolt sliding holes 6 are U-shaped holes, transverse movement of the upper rail bearing steel plate 1 is achieved, and the effect of adjusting the track gauge is achieved;
the upper upright post 2 is connected with the lower upright post 4 through a plurality of second bolts 41, the second bolts 41 are welded on the top surface of the lower upright post 4, the upper upright post 2 is provided with through holes matched with the second bolts 41, the height-adjusting steel plate 3 is arranged between the upper upright post 2 and the lower upright post 4 for adjusting the height, the height-adjusting steel plate 3 is sleeved on the plurality of second bolts 41, and the upper upright post 2 is also locked through nuts arranged at the tops of the second bolts 41;
the lower upright post 4 is connected with the upright post foundation 5 through a plurality of third bolts 51 penetrating through the second bolt sliding holes 7, so as to form two-stage adjustment of the track gauge. The lower upright post 4 is provided with a second bolt sliding hole 7 corresponding to the third bolt 51, the second bolt sliding hole 7 is a U-shaped hole, the third bolt 51 is embedded and fixed on the upright post foundation 5, and the third bolt 51 is provided with a nut for locking.
The upper upright post 2 and the lower upright post 4 are made of steel, the outer surface can be sprayed with anti-rust paint, and the upright post foundation 5 can be of a reinforced concrete structure.
The construction method comprises the following steps:
the method comprises the following steps: pouring a concrete upright column foundation 5;
step two: after the column foundation 5 is poured, placing the lower column 4 on the column foundation 5, and pre-screwing the nut;
step three: measuring the height, selecting a height-adjusting steel plate 3 with proper thickness according to the height, and then placing the height-adjusting steel plate 3 on the top of the lower upright post 4;
step four: placing the upper upright post 2 on the height-adjusting steel plate 3, and pre-screwing the nut;
step five: placing a rail bearing steel plate 1 on an upper upright post 2, and pre-screwing a nut;
step five: moving the lower upright post 4 or/and the rail bearing steel plate 1, and adjusting the rail gauge;
step six: and after the gauge is adjusted, all the nuts are screwed down to finish the installation.
The upper rail-supporting steel plate 1 of the present invention is provided with fastener bolt holes 12 for mounting fasteners.
The upper upright post 2 and the lower upright post 4 are frustum-shaped, and the inner parts of the frustum-shaped upper upright post and the lower upright post are hollow so as to reduce the weight and facilitate installation.
The upper upright column 2 is provided with a first hollow hole 22, and the hole wall at the bottom of the first hollow hole 22 is a processing surface of a through hole.
The lower upright post 4 is provided with a second hollow hole 42, and the hole wall at the bottom of the second hollow hole 42 is a processing surface of two bolt sliding holes.
The through hole and the second bolt sliding hole 7 may be formed as a machined surface by a hollow hole, or may be formed by welding several blocks to the outer walls of the upper column 2 and the lower column 4 and machining the through hole and the second bolt sliding hole in the blocks.
Four corners of the rail bearing steel plate 1 adopt a chamfer form, so that the use safety is improved.
According to the utility model, the first handle grooves 23 are formed in the two sides of the upper upright post 2, and the second handle grooves 43 are formed in the two sides of the lower upright post 4, so that the mounting is convenient.
While the utility model has been described with reference to specific embodiments thereof, it will be understood by those skilled in the art that the utility model is not limited thereto, and may be embodied in many different forms without departing from the spirit and scope of the utility model as set forth in the following claims. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.
Claims (10)
1. The utility model provides a hollow steel column structure of modular subway field section column type inspection pit which characterized in that: comprises a rail bearing steel plate (1), an upper upright post (2), a heightening steel plate (3), a lower upright post (4) and an upright post foundation (5) which are sequentially distributed from top to bottom; a plurality of first bolts (21) are distributed at the top of the upper upright column (2), a plurality of second bolts (41) are distributed at the top of the lower upright column (4), and a plurality of third bolts (51) are distributed at the top of the upright column foundation (5);
the rail bearing steel plate (1) is connected with the upper upright post (2) through first bolts (21), a first bolt groove (11) is formed in the rail bearing steel plate (1) corresponding to each first bolt (21), and a first bolt sliding hole (6) is formed in each first bolt groove (11);
the upper upright post (2) is connected with the lower upright post (4) through second bolts (41), the upper upright post (2) is provided with a through hole corresponding to each second bolt (41), and the height-adjusting steel plate (3) is arranged between the upper upright post (2) and the lower upright post (4);
the lower upright post (4) is connected with the upright post foundation (5) through a third bolt (51), and the lower upright post (4) is provided with a second bolt sliding hole (7) corresponding to the third bolt (51);
the first bolt (21), the second bolt (41) and the third bolt (51) are all provided with nuts for fixing.
2. The combined type subway field section column type inspection pit hollow steel column structure as claimed in claim 1, wherein: the upper upright post (2) and the lower upright post (4) are both frustum-shaped and are hollow inside.
3. The combined type subway field section column type inspection pit hollow steel column structure as claimed in claim 2, wherein: the upper upright column (2) is provided with a first hollow hole (22), and the hole wall at the bottom of the first hollow hole (22) is a processing surface of a through hole.
4. The combined type subway field section column type inspection pit hollow steel column structure as claimed in claim 2, wherein: the lower upright post (4) is provided with a second hollow hole (42), and the hole wall at the bottom of the second hollow hole (42) is a processing surface of a second bolt sliding hole.
5. The combined type subway field section column type inspection pit hollow steel column structure as claimed in claim 1, wherein: the first bolt sliding hole (6) and the second bolt sliding hole (7) are both U-shaped holes.
6. The combined type subway field section column type inspection pit hollow steel column structure as claimed in claim 1, wherein: the upper upright column (2) and the lower upright column (4) are made of steel, and the outer surfaces of the upper upright column and the lower upright column are both provided with rust-proof layers.
7. The combined type subway field section column type inspection pit hollow steel column structure as claimed in claim 1, wherein: the upright column foundation (5) is of a reinforced concrete structure.
8. The combined type subway field section column type inspection pit hollow steel column structure as claimed in claim 1, wherein: four corners of the rail bearing steel plate (1) are provided with chamfers.
9. The combined type subway field section column type inspection pit hollow steel column structure as claimed in claim 1, wherein: both sides of the upper upright post (2) are provided with first handle grooves (23).
10. The combined type subway field section column type inspection pit hollow steel column structure as claimed in claim 1, wherein: both sides of the lower upright post (4) are provided with second handle grooves (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122372631.4U CN215948684U (en) | 2021-09-29 | 2021-09-29 | Modular hollow steel column structure in subway field section column type inspection pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122372631.4U CN215948684U (en) | 2021-09-29 | 2021-09-29 | Modular hollow steel column structure in subway field section column type inspection pit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215948684U true CN215948684U (en) | 2022-03-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122372631.4U Active CN215948684U (en) | 2021-09-29 | 2021-09-29 | Modular hollow steel column structure in subway field section column type inspection pit |
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| CN (1) | CN215948684U (en) |
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2021
- 2021-09-29 CN CN202122372631.4U patent/CN215948684U/en active Active
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