CN212317592U - Train column type maintenance pit - Google Patents
Train column type maintenance pit Download PDFInfo
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- CN212317592U CN212317592U CN202020213434.0U CN202020213434U CN212317592U CN 212317592 U CN212317592 U CN 212317592U CN 202020213434 U CN202020213434 U CN 202020213434U CN 212317592 U CN212317592 U CN 212317592U
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Abstract
The application discloses train column type inspection pit includes: a structural foundation including a foundation portion and a first mounting portion, the first mounting portion being connected to the foundation portion; the maintenance upright column is provided with a second installation part, and the second installation part is connected with the first installation part so as to fix the maintenance upright column on the structure foundation; a first vibration-damping shim disposed between the structural foundation and the service column; and the maintenance track is arranged on the maintenance upright post. The utility model provides a train column type inspection pit has reduced vibrations and noise when the train operation.
Description
Technical Field
The application relates to the technology of rail mounting, especially relates to a train column type inspection pit.
Background
With the rapid development of rail transit construction, a large amount of requirements are correspondingly met for train section maintenance bases related to rail transit, and the train comprehensive maintenance bases are mainly divided into two types according to different use functions, namely a train section and a parking lot, and the names of the train section and the parking lot for train maintenance and parking are an application base and a maintenance base. The warehouse is provided with 10 rows of left and right maintenance tunnels, each row of maintenance tunnels contain a large number of maintenance columns to support maintenance tracks and train loads, and the number of maintenance columns in each warehouse is about 7000 plus 10000 according to the installation requirements of the maintenance tracks. According to the current construction process, the problems of large vibration and noise of the train during operation exist.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiments of the present application are expected to provide a train column type maintenance pit and a construction method thereof, so as to solve the problem of large vibration and noise when a field train operates.
In order to achieve the above object, an embodiment of the present application provides a train column type service pit, which includes:
a structural foundation including a foundation portion and a first mounting portion, the first mounting portion being connected to the foundation portion;
the maintenance upright column is provided with a second installation part, and the second installation part is connected with the first installation part so as to fix the maintenance upright column on the structure foundation;
a first vibration-damping shim disposed between the structural foundation and the service column; and
and the maintenance track is arranged on the maintenance upright post.
Further, the overhaul stand column is a precast concrete column or a precast steel column.
Further, overhaul the stand include the cylinder portion and with the installation base that the cylinder portion is connected, the second installation department forms on the installation base, first shock absorber gasket sets up the installation base with between the structure basis, the track is installed for overhaul on the cylinder portion.
Furthermore, the first installation part comprises an embedded anchor, a nut and an anchor gasket, one end of the embedded anchor is embedded in the foundation part, and the second installation part is an anchor hole; the other end of the embedded anchor passes through the anchor hole, the maintenance stand column is fixed on the structure foundation through the nut, and the anchor gasket is arranged between the nut and the installation base.
Furthermore, the anchor bolt hole is a waist-shaped hole, and the long side direction of the waist-shaped hole is perpendicular to the extending direction of the maintenance track.
Further, first shock attenuation gasket be provided with the mounting hole of embedded bolt one-to-one, the other end of embedded bolt passes the mounting hole.
Further, first installation department still is including setting up the installation base with second shock attenuation gasket between the crab-bolt gasket.
Further, train column type inspection pit still includes the conductor rail, the maintenance stand still including setting up the erection support that the cylinder portion one side extends along the horizontal direction, the conductor rail is fixed on the erection support.
The train column type maintenance pit that this application embodiment provided is provided with first installation department on the structure basis, overhauls the stand and is formed with the second installation department, and the second installation department is connected with first installation department to make to overhaul the stand and fix on the structure basis, be provided with first shock absorber gasket between structure basis and maintenance stand. Therefore, when the train runs, the first damping gasket can reduce the vibration between the train and the overhaul track, and the effects of reducing the vibration and the noise when the train runs are achieved.
Drawings
FIG. 1 is a schematic structural diagram of a train column type maintenance pit with a maintenance column being a precast concrete column in the embodiment of the present application;
FIG. 2 is a schematic structural diagram of a train column type maintenance pit with a maintenance column being a prefabricated steel column in the embodiment of the application;
FIG. 3 is a top view of a train pit column in an embodiment of the present application;
FIG. 4 is a partial cross-sectional view A-A of FIG. 3;
FIG. 5 is a schematic view of a slotted hole in a mounting base of an inspection column according to an embodiment of the present disclosure; and
fig. 6 is a schematic structural diagram of a first shock absorption pad of a train column type service pit in the embodiment of the application.
Description of the reference numerals
1. A structural foundation; 2. overhauling the upright post; 3. a first vibration-damping shim; 4. a second vibration-damping shim; 5. overhauling the track; 6. a contact rail; 10. a base portion; 11. a first mounting portion; 110. embedding anchor bolts; 111. a nut; 112. an anchor bolt shim; 20. a cylindrical portion; 21. installing a base; 22. a steel rail embedded part; 23. mounting a support; 24. prefabricating a concrete column; 25. prefabricating a steel column; 210. a second mounting portion; 211. an anchor bolt hole; 30. And (7) installing holes.
Detailed Description
It should be noted that, in the present application, technical features in examples and embodiments may be combined with each other without conflict, and the detailed description in the specific embodiment should be understood as an explanation of the gist of the present application and should not be construed as an improper limitation to the present application.
The directional terms used in the description of the present application are intended only to facilitate the description of the application and to simplify the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered limiting of the application.
The embodiment of the application provides a train column type maintenance pit, and as shown in fig. 1 and 2, the train column type maintenance pit comprises a maintenance stand column 2, a structure foundation 1, a first damping gasket 3 and a maintenance track 5. Structure basis 1 includes foundation portion 10 and first installation department 11, and first installation department 11 is connected with foundation portion 10, overhauls stand 2 and is formed with second installation department 210, and second installation department 210 is connected with first installation department 11 to make overhauls stand 2 fix on structure basis 1, first shock absorber pad 3 sets up between structure basis 1 and overhauls stand 2, overhauls track 5 and installs on overhauing stand 2.
The train column type maintenance pit that this application embodiment provided, refer to fig. 1 and fig. 2 and show, set up structure basis 1 in train column type maintenance pit, structure basis 1 is provided with a plurality of first installation departments 11, overhauls 2 bottoms of stand and is provided with a plurality of second installation departments 210 that correspond with first installation department 11, overhauls stand 2 and passes through second installation department 210 and the cooperation of first installation department 11, will overhaul stand 2 and fix on structure basis 1. The maintenance track 5 is installed on the maintenance stand column 2, for example, the top of the maintenance stand column 2 is provided with a steel rail embedded part 22, and the maintenance track 5 is installed on the maintenance stand column 2 through the steel rail embedded part 22.
The train column type maintenance pit that this application embodiment provided still includes first shock absorber gasket 3, and first shock absorber gasket 3 sets up between structure basis 1 and maintenance stand 2, plays the shock attenuation effect. Specifically, the first cushion pad 3 is a rubber cushion pad. The coiled long-chain molecular structure of the rubber and the weak secondary force existing among molecules enable the rubber material to present unique viscoelastic performance, so that the rubber material has good shock absorption, sound insulation and buffering performance. The rubber shock-absorbing pad prevents the maintenance upright post 2 from directly contacting the structure foundation 1, and plays a role in buffering the vibration of the whole structure in the running process of the train. The train column type maintenance pit that this application embodiment provided, the application of 3 shock-absorbing techniques of first shock attenuation gasket has improved the security of structure and has reduced vibrations and noise when the train moves.
In an embodiment, see fig. 1, the service column 2 is a column of precast concrete 24. When the maintenance upright post 2 is the precast concrete column 24, the cement pouring on the field is not needed, particularly, the cross section of the concrete column is complex, the frame model is complex, the quantity of the cast-in-place concrete columns is large, and the construction time in the factory building is very long. Specifically, when the prefabricated concrete column 24 is adopted as the maintenance column 2, the concrete column is made in advance in a factory. Sufficient time is provided for erecting and pouring in a factory, the prefabricated concrete column has better quality compared with the concrete column manufactured on site, the prefabricated concrete column does not need to be manufactured again on site due to quality problems, the working efficiency is improved, and the cost is reduced. And when the overhaul stand column 2 adopts the precast concrete column 24, the later maintenance and replacement of the overhaul stand column 2 are convenient.
In one embodiment, referring to fig. 2, the service column 2 is a prefabricated steel column 25. When the overhaul stand column 2 is the prefabricated steel column 25, cement does not need to be poured in the site, particularly, the section of the concrete column is complex, the frame model is complex, the number of the cast-in-place concrete columns is large, and the construction time inside a plant is long. Specifically, when the prefabricated steel column 25 is adopted as the maintenance column 2, the steel column is made in advance in a factory. Preferably, concrete is poured into the precast steel column 25, so that the weight of the entire precast steel column 25 can be increased, thereby improving the strength and stability of the precast steel column 25. The prefabricated steel column 25 has sufficient time to be manufactured in a factory, the quality of the prefabricated steel column is better, the prefabricated steel column does not need to be manufactured again on site due to quality problems, the working efficiency is improved, and the cost is reduced. And when the overhaul stand column 2 adopts the prefabricated steel column 25, the later maintenance and replacement of the overhaul stand column 2 are convenient.
In an embodiment, referring to fig. 1 and 2, the service column 2 includes a column part 20 and a mounting base 21 connected to the column part 20, the second mounting part 210 is formed on the mounting base 21, the first vibration damper pad 3 is disposed between the mounting base 21 and the structural foundation 1, and the service rail 5 is mounted on the column part 20. Specifically, the installation base 21 is arranged at the bottom of the maintenance upright post 2, and extends towards two sides along the bottom of the maintenance upright post 2, so that the stability of the maintenance upright post 2 can be increased. Installation base 21 and column part 20 integrated into one piece more can increase the intensity of overhauing stand 2 like this, increase the life who overhauls stand 2. Specifically, the second mounting portion 210 is formed on the mounting base 21, and also, since the mounting base 21 and the column portion 20 are integrally formed, and the mounting base 21 extends to both sides along the bottom of the service column 2, the strength of the service column 2 fixed by the second mounting portion 210 is also enhanced. First shock attenuation gasket 3 sets up between installation base 21 and structure foundation 1, has avoided overhauing the direct contact of stand 2 with structure foundation 1, and at the in-process that the train traveles, has played the effect of buffering to the vibrations of whole structure.
In one embodiment, referring to fig. 1 and 3, the first mounting portion 11 includes an anchor bolt 110, a nut 111 and an anchor bolt pad 112, one end of the anchor bolt 110 is embedded in the base portion 10, and the second mounting portion 210 is an anchor bolt hole 211; the other end of the embedded anchor 110 passes through the anchor hole 211, the maintenance upright post 2 is fixed on the structure foundation 1 through the nut 111, and an anchor gasket 112 is arranged between the nut 111 and the mounting base 21. During installation, the anchor bolt holes 211 on the maintenance upright post 2 are aligned with the embedded bolts 110 on the structure foundation 1, then the maintenance upright post 2 is placed on the structure foundation 1, and the nuts 111 are tightened to fix the maintenance upright post 2 at the designed position. Specifically, when the structural foundation 1 corresponding to each repair column 2 is poured, four embedded bolts 110 are embedded in the foundation portion 10. When the maintenance column 2 adopts the precast concrete column 24 or the precast steel column 25, four anchor bolt holes 211 corresponding to four embedded bolts 110 on the structural foundation 1 are reserved when the concrete column or the steel column is precast in a factory. When fixing the inspection column 2, the nut 111 is tightened, and the anchor bolt washer 112 between the nut 111 and the mounting base 21 is used for better stress, so as to fix the inspection column 2 more firmly.
In one embodiment, as shown in fig. 1 and 5, the anchor hole 211 is a kidney-shaped hole, and the long side direction of the kidney-shaped hole is perpendicular to the extending direction of the service track 5. Specifically, the anchor holes 211 are waist-shaped holes, and the long side direction is perpendicular to the direction of the service rail 5. Therefore, when the upright post 2 is installed and overhauled, the position of the upright post 2 can be adjusted and overhauled along the long edge direction of the waist-shaped hole, and all the overhauled upright posts 2 in the direction parallel to the overhauling track 5 are ensured to be on the same straight line, so that the overhauling track 5 is ensured to be finally on the same straight line. Thereby can guarantee to overhaul track 5 and can install at the design position by the accuracy, and the convenient position of examining and repairing stand 2 and overhaul track 5 as required of later stage regulation.
In one embodiment, as shown in fig. 1, 4 and 6, the first damper pad 3 is provided with mounting holes 30 corresponding to the anchors 110 one to one, and the other ends of the anchors 110 pass through the mounting holes 30. The mounting structure who overhauls stand 2 that this application embodiment provided still includes first shock absorber gasket 3, and first shock absorber gasket 3 is provided with the mounting hole 30 with embedded bolt 110 one-to-one, specifically, and first shock absorber gasket 3 wears to establish on structure basis 1 through mounting hole 30, plays the shock attenuation effect. Therefore, the first damping gasket 3 is convenient to mount, is relatively stable after being mounted and cannot move randomly.
In one embodiment, as shown in FIGS. 1 and 4, the first mounting portion 11 further includes a second vibration-damping shim 4 disposed between the mounting base 21 and the anchor shim 112. The second cushion pad 4 is provided between the mounting base 21 and the anchor bolt pad 112, and has a cushion effect. The setting of second shock attenuation gasket 4 has avoided the bolt to examine and repair stand 2 direct fixation and has died, and at the in-process that the train traveles, there is certain buffer distance between examining and repairing stand 2 and the crab-bolt gasket 112 to the effect of buffering has been played to the vibrations of overall structure. Specifically, the second cushion pad 4 is a rubber cushion pad. In the mounting structure who overhauls stand 2 that this application embodiment provided, the application of 4 shock attenuation techniques of second shock attenuation gasket has improved the security of structure and has reduced vibrations and noise when the train operation.
In an embodiment, referring to fig. 1 and 2, the train column type service pit further comprises a conductor rail 6, the service column 2 further comprises a mounting support 23 arranged on one side of the column body 20 and extending in a horizontal direction, and the conductor rail 6 is fixed on the mounting support 23. The mounting bracket 23 is provided at one side of the service column 2 for fixing the contact rail 6. Specifically, be erection support 23 first end in the one side that is close to maintenance stand 2, be erection support 23 second end in the one side of keeping away from maintenance stand 2, the length of erection support 23 first end along maintenance stand 2 direction of height is greater than the length of erection support 23 second end along maintenance stand 2 direction of height, more can increase erection support 23's intensity like this, improves erection support 23's life. Specifically, when the material of erection support 23 is concrete, erection support 23 is connected fixedly with column portion 20, and preferably, erection support 23 and column portion 20 integrated into one piece, integrated into one piece's maintenance stand 2 structural strength is higher, and life is longer. Specifically, referring to fig. 1, when the material of the mounting bracket 23 is steel, the mounting bracket 23 and the column part 20 are fixedly connected by a connecting bolt.
In an embodiment, the train column type overhaul pit of this application includes two rows of maintenance post rows that set up relatively, and every row of maintenance post row includes a plurality of maintenance stands 2 that the interval set up, and every maintenance stand 2 all sets up on structure basis 1. The structure foundation 1 comprises a foundation part 10 and a first mounting part 11, wherein the first mounting part 11 is connected with the foundation part 10; the service pillar 2 is formed with a second mounting portion 210, and the second mounting portion 210 is connected with the first mounting portion 11 so that the service pillar 2 is fixed on the structural foundation 1. Wherein, be provided with first shock attenuation gasket 3 between at least part maintenance stand 2 and structure basis 1. Two rows of maintenance rails 5 are respectively laid on the maintenance upright posts 2 of each row of maintenance post rows.
In one embodiment, referring to fig. 1, after the first and second mounting portions 11 and 210 are connected, a high strength non-shrink grout is poured between the service pillar 2 and the structural foundation 1. Since it is necessary to ensure that all service rails 5 are on the same horizontal line, the service columns 2 also need to be maintained on the same horizontal line. Specifically, after connecting first installation department 11 and second installation department 210, guarantee to overhaul the highly uniform back of stand 2 through adjusting nut 111, pour into the shrink-free thick liquid that excels in between maintenance stand 2 and structure foundation 1, fix maintenance stand 2.
The various embodiments/implementations provided herein may be combined with each other without contradiction.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (8)
1. A train column type service pit, comprising:
a structural foundation including a foundation portion and a first mounting portion, the first mounting portion being connected to the foundation portion;
the maintenance upright column is provided with a second installation part, and the second installation part is connected with the first installation part so as to fix the maintenance upright column on the structure foundation;
a first vibration-damping shim disposed between the structural foundation and the service column; and
and the maintenance track is arranged on the maintenance upright post.
2. The train column service pit of claim 1, wherein the service column is a precast concrete column or a precast steel column.
3. The train column type service pit of claim 1, wherein the service column comprises a column portion and a mounting base connected to the column portion, the second mounting portion is formed on the mounting base, the first shock absorbing pad is disposed between the mounting base and the structural foundation, and the service track is mounted on the column portion.
4. The train column type service pit of claim 3, wherein the first installation part comprises an embedded anchor, a nut and an anchor gasket, one end of the embedded anchor is embedded in the foundation part, and the second installation part is an anchor hole;
the other end of the embedded anchor passes through the anchor hole, the maintenance stand column is fixed on the structure foundation through the nut, and the anchor gasket is arranged between the nut and the installation base.
5. The train column type service pit as claimed in claim 4, wherein the anchor bolt hole is a kidney-shaped hole, and the long side direction of the kidney-shaped hole is perpendicular to the extending direction of the service track.
6. The train column type service pit as claimed in claim 4, wherein the first shock absorbing pad is provided with a mounting hole corresponding to the anchor bolts one to one, and the other ends of the anchor bolts pass through the mounting hole.
7. The train column access pit of claim 4, wherein the first mounting portion further comprises a second shock absorbing spacer disposed between the mounting base and the anchor bolt spacer.
8. The train pole service pit of claim 3, further comprising a conductor rail, the service column further comprising a mounting support provided at one side of the column portion to extend in a horizontal direction, the conductor rail being fixed to the mounting support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020213434.0U CN212317592U (en) | 2020-02-26 | 2020-02-26 | Train column type maintenance pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020213434.0U CN212317592U (en) | 2020-02-26 | 2020-02-26 | Train column type maintenance pit |
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| Publication Number | Publication Date |
|---|---|
| CN212317592U true CN212317592U (en) | 2021-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020213434.0U Active CN212317592U (en) | 2020-02-26 | 2020-02-26 | Train column type maintenance pit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111206803A (en) * | 2020-02-26 | 2020-05-29 | 中铁第四勘察设计院集团有限公司 | Train column type maintenance pit and construction method thereof |
| CN114893037A (en) * | 2022-05-30 | 2022-08-12 | 中铁第四勘察设计院集团有限公司 | Train overhauls trench |
-
2020
- 2020-02-26 CN CN202020213434.0U patent/CN212317592U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111206803A (en) * | 2020-02-26 | 2020-05-29 | 中铁第四勘察设计院集团有限公司 | Train column type maintenance pit and construction method thereof |
| CN114893037A (en) * | 2022-05-30 | 2022-08-12 | 中铁第四勘察设计院集团有限公司 | Train overhauls trench |
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