CN211229702U - Assembly structure for overhauling stand column and train overhauling platform - Google Patents
Assembly structure for overhauling stand column and train overhauling platform Download PDFInfo
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- CN211229702U CN211229702U CN201921520092.0U CN201921520092U CN211229702U CN 211229702 U CN211229702 U CN 211229702U CN 201921520092 U CN201921520092 U CN 201921520092U CN 211229702 U CN211229702 U CN 211229702U
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Abstract
The utility model relates to an overhaul assembly structure of stand, including basis and prefabricated carrier bar, seted up rim of a cup formula mounting groove on the basis, the carrier bar is inserted and is located in the mounting groove and concreties through cast in situ concrete. Still relate to a train in addition and overhaul platform, this platform includes the bed of foundations and overhauls the track, is equipped with a plurality of rim of a cup formula mounting grooves on the bed of foundations, inserts in each mounting groove and establishes the consolidation and have a bearing post, and each bearing post is the prefab and the top parallel and level, overhauls the track and installs on two bearing post are listed. The utility model adopts the mode that the fully prefabricated bearing column is inserted in the cup mouth type mounting groove arranged on the foundation, the construction is more convenient, the construction period can be obviously shortened, and the engineering cost is saved; the bearing column is prefabricated under the line, so that the quality can be ensured, and the standardized production is facilitated; the quality of concrete pouring into the mounting groove only needs to be guaranteed on site, operation and control are easy, and the problem that the cooperation of a track construction unit and a civil engineering construction unit is not short can be thoroughly solved.
Description
Technical Field
The utility model relates to an overhaul assembly structure and train of stand and overhaul platform can be applied to the rail traffic engineering field, is particularly useful for the engineering that relates to the train maintenance.
Background
At present, the rail transit construction is developed at a high speed, vehicle section maintenance bases related to rail transit are also constructed in a large batch, and vehicle comprehensive maintenance bases are mainly divided into vehicle sections and parking lots (generally named as an application library and a maintenance library) according to different use functions for vehicle maintenance and parking. A column type maintenance trench is arranged in the warehouse, and each row of maintenance trenches comprises a large number of short columns for supporting the load of the track and the train; the short column has 400X 400mm cross-section and height of 1 m according to the rail installation requirement.
According to the existing construction process, the cast-in-place concrete short column is molded on site at the present stage, so that the construction period is long, the quality of the cast-in-place concrete is difficult to ensure, and the material waste is large; and the concrete column has been under construction before laying the track, because there are more errors in the column plane and vertical location, lead to the rail installation accuracy to be difficult to guarantee, need repair or demolish some columns, the work load is huge.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides an assembly structure and train maintenance platform that overhaul stand can solve prior art's partial defect at least.
The embodiment of the utility model relates to an assembly structure for overhauling stand columns, which comprises a foundation and a bearing column, wherein the bearing column is a prefabricated part; the top of the bearing column is pre-embedded with a connecting member used for being connected with the maintenance track, a cup-mouth type mounting groove is formed in the base, and the bearing column is inserted in the mounting groove and is fixedly connected in the mounting groove through cast-in-place concrete.
As an embodiment, the bearing column is a precast concrete column.
In one embodiment, the load-bearing column includes a top solid section and a hollow section with a hollow cavity below the solid section.
In one embodiment, the bearing column is a square column and each side edge of the bearing column is chamfered.
The embodiment of the utility model provides a still relate to a train overhauls platform, including basal layer and maintenance track, in be equipped with two rim of a cup lists on the basal layer, each the rim of a cup is listed as including a plurality of rim of a cup formula mounting grooves of vertically arranging in proper order along the maintenance track, each it has a bearer post, each to insert to establish the consolidation in the mounting groove the bearer post is the prefab and the top parallel and level, maintenance track mounting is on two bearer post lists.
In one embodiment, each of the load-bearing columns is a precast concrete column.
In one embodiment, a retaining wall is disposed between two adjacent bearing columns in each bearing column row.
In one embodiment, the retaining wall is a reinforced concrete structure and at least some of the horizontal reinforcing bars are consolidated with adjacent load-bearing columns.
The embodiment of the utility model provides a following beneficial effect has at least:
in the utility model, the mode that the fully prefabricated bearing column is inserted in the cup mouth type mounting groove arranged on the foundation is adopted, the construction is more convenient, the construction period can be obviously shortened, the templates are used less or basically no template is needed, and the engineering cost is saved; the bearing column is prefabricated under the line, so that the quality can be ensured, and the standardized production is facilitated; the quality of concrete pouring into the mounting groove only needs to be guaranteed on site, operation and control are easy, and the problem that the cooperation of a track construction unit and a civil engineering construction unit is not short can be thoroughly solved.
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 structural diagram of a load-bearing column according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view taken along A-A of FIG. 1;
fig. 3 is a schematic plan structure view of a train maintenance platform provided in an embodiment of the present invention;
FIG. 4 is a cross-sectional view taken along line B-B of FIG. 3;
FIG. 5 is a cross-sectional view taken along line C-C of FIG. 3;
fig. 6 is a cross-sectional view taken along line D-D of fig. 3.
Detailed Description
The technical solutions in the embodiments of the present invention are described below clearly and completely, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example one
As shown in fig. 4 and 5, an embodiment of the present invention provides an assembly structure for repairing a column, including a foundation 2 and a load-bearing column 1, where the load-bearing column 1 is a prefabricated member; a cup-mouth type installation groove 21 is formed in the foundation 2, and the bearing column 1 is inserted into the installation groove 21 and is fixedly connected in the installation groove 21 through cast-in-place concrete 5.
The foundation 2 is preferably a concrete foundation 2, and more preferably a reinforced concrete foundation 2.
The load-bearing column 1 is preferably a concrete column 1, and is further preferably a reinforced concrete column 1, so that the structural strength is ensured.
The assembly structure is mainly applied to a vehicle comprehensive maintenance base in the track 3 traffic engineering and is used for supporting the load of the overhaul track 3 and a train. As shown in fig. 1, a connecting member 11 is generally disposed on the top of the load-bearing column 1 for connecting with the service track 3, and the connecting member 11 may be a plastic sleeve 11 pre-embedded in the load-bearing column 1, depending on the specific structure of the track 3.
Further preferably, as shown in fig. 1 and fig. 2, the load-bearing column 1 provided in this embodiment may be a hollow structure, which can significantly reduce the self weight of the load-bearing column 1 while ensuring the structural strength, and is convenient for transportation, installation and pipeline passing. In an alternative embodiment, as shown in fig. 1 and fig. 2, the load-bearing column 1 includes a top solid section and a hollow section with a hollow cavity 14 located below the solid section, the connecting member 11 is located on the solid section, the hollow cavity 14 of the hollow section may, for example, be through to the bottom end of the load-bearing column 1, when concrete is poured into the installation groove 21, a part of the concrete may enter into the hollow cavity 14 of the load-bearing column 1, thereby improving the stability and reliability of the consolidation structure between the load-bearing column 1 and the foundation 2; or, can set up the spud correspondingly at the tank bottom of mounting groove 21, inlay each other with the spud through well cavity 14 and insert, conveniently fix a position bearing post 1, guarantee assembly structure's precision, can improve consolidation structural stability and reliability between bearing post 1 and the basis 2 simultaneously. Accordingly, a wiring tube 12 can be embedded in the load-bearing column 1, and the wiring tube 12 is communicated with the hollow cavity 14.
The bearing column 1 can be in the shape of a square column, a cylinder and the like; in one embodiment, the bearing column 1 is a square column, and each side edge of the bearing column is a reverse arc angle, so that the section of the column body is small and attractive.
The mounting groove 21 is cup-shaped, for example, the wall of the mounting groove may be parallel to the vertical direction, or may be inclined from top to bottom. The size/area of the bottom surface of the groove is larger than that of the bottom surface of the bearing column 1, so that the bearing column 1 can stand on the bottom of the groove conveniently; after the bearing column 1 is connected with the maintenance track 3, when concrete is poured into the installation groove 21, the concrete can surround the periphery of the bearing column 1 at least, and under the condition that the bearing column 1 is separated from the bottom of the groove, the cast-in-place concrete 5 can surround the bottom end of the bearing column 1. The concrete cast in place in the installation groove 21 is preferably fine sand concrete, and the consolidation effect is good.
The assembly structure of the overhaul stand column provided by the embodiment adopts the mode that the fully prefabricated bearing column 1 is inserted into the cup-mouth type mounting groove 21 formed in the foundation 2, so that the construction is more convenient, the construction period can be obviously shortened, the number of templates is less or no template is needed basically, and the engineering cost is saved; the bearing column 1 is prefabricated offline, so that the quality can be ensured, and the standardized production is facilitated; the quality of concrete pouring into the mounting groove 21 only needs to be guaranteed on site, operation and control are easy, and the problem that the cooperation of a track construction unit and a civil engineering construction unit is not short can be thoroughly solved.
Example two
As shown in fig. 3-5, the embodiment of the utility model provides a train overhauls platform, including basic layer 2 and maintenance track 3, in be equipped with two rim of a cup rows on the basic layer 2, each the rim of a cup row includes a plurality of rim of a cup formula mounting grooves 21 that vertically arrange in proper order along maintenance track 3, each the installation groove 21 interpolation is established and is consolidated a bearer post 1, each the bearer post 1 is the prefab and top parallel and level, maintenance track 3 installs and is listed in two bearer posts.
The support column 1 can adopt the support column 1 described in the first embodiment, and the detailed structure thereof is not described herein.
The foundation layer 2 is preferably a concrete foundation layer 2, and more preferably a reinforced concrete foundation layer 2. The structure of each cup-mouth type mounting groove 21 is also described in the first embodiment, and is not described herein.
The train maintenance platform provided by the embodiment adopts the mode that the fully-prefabricated bearing column 1 is inserted into the cup-type mounting groove 21 formed in the foundation layer 2, so that the construction is more convenient, the construction period can be obviously shortened, the number of templates is less or no template is used basically, and the engineering cost is saved; the bearing column 1 is prefabricated offline, so that the quality can be ensured, and the standardized production is facilitated; the quality of concrete pouring into the mounting groove 21 only needs to be guaranteed on site, operation and control are easy, and the problem that the cooperation of a track construction unit and a civil engineering construction unit is not short can be thoroughly solved.
Further, as shown in fig. 5 and 6, in each bearing column row, a retaining wall 2 is arranged between two adjacent bearing columns 1. The retaining wall 2 is preferably a concrete wall, and more preferably a reinforced concrete structure; this 2 both ends of retaining wall are preferred to be respectively with adjacent two bearing post 1 butts, make bearing post 1 standing structure more stable, can improve the ability of bearing the load of bearing post 1.
The retaining wall 2 is preferably cast in place, the vertical reinforcements 222 of the retaining wall 2 can be reserved when the foundation layer 2 is cast, and at least part of the horizontal reinforcements 221 of the retaining wall 2 are preferably solidified with the adjacent bearing columns 1 when the horizontal reinforcements 221 of the retaining wall 2 are bound. In one embodiment, on the foundation 2 that the bearing column 1 is a concrete prefabricated member, the steel bar connector sleeve 13 can be pre-embedded when the bearing column 1 is prefabricated, so as to realize reliable connection with the horizontal steel bars 221 of the retaining wall 2, so that each bearing column 1, each retaining wall 2 and the foundation layer 2 are connected into a whole, and the bearing column is cooperatively stressed, thereby significantly improving the working reliability.
EXAMPLE III
The embodiment of the utility model provides an above-mentioned train overhauls construction method of platform, include:
(1) prefabricating each bearing column 1;
(2) the foundation layer 2 is cast in situ, and the reserved forming of each mounting groove 21 is completed when the foundation layer 2 is cast;
(3) hoisting each bearing column 1 into the corresponding mounting groove 21 respectively;
(4) installing a rail installation steel jig frame 4, laying an overhaul rail 3, and adjusting the overhaul rail 3 to a design line position;
(5) assembling each bearing column 1 and the maintenance track 3 together;
(6) concrete is poured in each mounting groove 21, so that each bearing column 1 is fixedly connected to the foundation layer 2;
(7) and (4) removing the rail mounting steel jig frame 4.
The prefabrication of the load-bearing column 1 and the pouring of the foundation layer 2 can be carried out simultaneously. In the step (4), after the maintenance track 3 is laid, the purpose of adjusting the maintenance track 3 to the design line position is achieved by adjusting the dimensional accuracy such as the plane positioning and the elevation of the track 3; the maintenance track 3 is positioned and installed through the track installation steel jig frame 4, so that high installation precision can be achieved, and repeated adjustment and positioning of each bearing column 1 are avoided.
Further preferably, in the case where the retaining wall 2 is further provided, the construction method further includes:
when the bearing column 1 is prefabricated, a steel bar connector sleeve 13 is embedded on the edge part of the bearing column;
when the foundation layer 2 is poured, the vertical steel bars 222 of the retaining wall 2 are reserved;
after each bearing column 1 is fixedly connected on the foundation layer 2, horizontal reinforcing steel bars 221 of the retaining wall 2 are bound, wherein the horizontal reinforcing steel bars 221 are connected with adjacent reinforcing steel bar connector sleeves 13, and then concrete is poured to form the retaining wall 2 between every two adjacent bearing columns 1.
In addition, the prefabrication method of the load bearing column 1 can comprise the following steps:
firstly, binding steel bars (longitudinal bars and stirrups) in a column;
binding and fixing the plastic sleeve 11 pre-embedded at the top of the column and the PVC pipe 12 pre-embedded in the middle with the steel bar in the column;
thirdly, placing the bound reinforcement cage into a prefabricated formwork groove;
fourthly, pouring high-grade concrete in the formwork groove;
fifthly, manufacturing the hollow precast concrete column by a high-speed centrifugation technology;
and sixthly, quickly forming a finished product of the precast concrete column through autoclaved curing.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides an overhaul assembly structure of stand, includes the basis, its characterized in that: the bearing column is a prefabricated part; the top of the bearing column is pre-embedded with a connecting member used for being connected with the maintenance track, a cup-mouth type mounting groove is formed in the base, and the bearing column is inserted in the mounting groove and is fixedly connected in the mounting groove through cast-in-place concrete.
2. The fitting structure of a service column as claimed in claim 1, wherein: the bearing column is a precast concrete column.
3. The fitting structure of a service column as claimed in claim 1, wherein: the load-bearing column comprises a top solid section and a hollow section with a hollow cavity located below the solid section.
4. The fitting structure of a service column as claimed in claim 1, wherein: the bearing column is a square column, and each side edge of the bearing column is a reverse arc angle.
5. The utility model provides a train overhauls platform, includes the basic unit and overhauls the track, its characterized in that: the base layer is provided with two cup opening rows, each cup opening row comprises a plurality of cup opening type mounting grooves which are longitudinally and sequentially arranged along the maintenance track, each mounting groove is internally inserted with a bearing column which is fixedly connected with the bearing column, each bearing column is a prefabricated member, the top ends of the bearing columns are parallel and level, and the maintenance track is arranged on the two bearing columns.
6. The train service platform of claim 5, wherein: each bearing column is a precast concrete column.
7. The train service platform of claim 5, wherein: in each bearing column row, a retaining wall is arranged between every two adjacent bearing columns.
8. The train service platform of claim 7, wherein: the retaining wall is of a reinforced concrete structure and at least part of horizontal reinforcing steel bars are fixedly connected with adjacent bearing columns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921520092.0U CN211229702U (en) | 2019-09-12 | 2019-09-12 | Assembly structure for overhauling stand column and train overhauling platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921520092.0U CN211229702U (en) | 2019-09-12 | 2019-09-12 | Assembly structure for overhauling stand column and train overhauling platform |
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| CN211229702U true CN211229702U (en) | 2020-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921520092.0U Active CN211229702U (en) | 2019-09-12 | 2019-09-12 | Assembly structure for overhauling stand column and train overhauling platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110512921A (en) * | 2019-09-12 | 2019-11-29 | 中铁第四勘察设计院集团有限公司 | Overhaul assembling structure, train overhaul platform and its construction method of column |
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2019
- 2019-09-12 CN CN201921520092.0U patent/CN211229702U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110512921A (en) * | 2019-09-12 | 2019-11-29 | 中铁第四勘察设计院集团有限公司 | Overhaul assembling structure, train overhaul platform and its construction method of column |
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