CN218346558U - Stand structure and inspection hole structure that subway vehicle base inspection was bored - Google Patents
Stand structure and inspection hole structure that subway vehicle base inspection was bored Download PDFInfo
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- CN218346558U CN218346558U CN202222018449.3U CN202222018449U CN218346558U CN 218346558 U CN218346558 U CN 218346558U CN 202222018449 U CN202222018449 U CN 202222018449U CN 218346558 U CN218346558 U CN 218346558U
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Abstract
The utility model relates to a stand structure and inspection hole structure that subway vehicle base inspection was bored. The utility model provides a stand structure of subway vehicle base inspection hole, includes the body, the body includes the column casing and is located the capital platform directly over the column casing, the column casing lower extreme is used for connecting the hole basis, the column casing with connect through the changeover portion between the capital platform, the changeover portion is followed the ascending grow gradually from the bottom of the fore-and-aft size of rail, the top of capital platform is followed the rail is vertical to be equipped with two fasteners, two the fastener is used for fixed correspondence the rail. The distance between two vertical adjacent columns can be increased, so that the number of the vertical columns can be reduced, personnel can conveniently enter an inspection pit from the side surface, the construction amount is reduced, and the entering of the inspection pit is safer; and under the premise of enlarging the longitudinal size of the column top platform, the size of the column body does not need to be increased, so that the visual field in the inspection pit is wider.
Description
Technical Field
The utility model relates to a subway station inspection hole technical field, especially a stand structure and inspection hole structure in subway vehicle base inspection hole.
Background
At present, most of the pillar type inspection pit stand columns in the base warehouse of the urban rail transit vehicle adopt a cast-in-place mode, and a construction interface is divided into the following steps: the civil engineering construction unit is responsible for the range from the ground to 500mm below the top surface of the rail, and the rail construction unit is responsible for the range from 500mm below the top surface of the rail to the top surface of the rail. In addition, the stand structure of cast in situ is square stand, and the stand inevitably appears "closed angle" all around, and when the operation personnel landing, there is the potential safety hazard of colliding with. And because the structure bears the requirement, stand cross-sectional dimension is mostly 400 mm's square structure, and every stand top can only set up a fastener, leads to the interval between stand and the stand to be 1250mm, and the clear distance between the stand is only 850mm, and inconvenient personnel edgewise gets into the inspection pit, and the stand is in large quantity, and the construction volume is big.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an: to prior art urban rail transit vehicle base storehouse interior column type inspection hole stand because the structure bears the weight of the requirement, the top can only set up a fastener, leads to the interval between stand and stand to be little, has inconvenient personnel to get into the inspection hole from the side, and stand is in large quantity, the problem that the construction volume is big, provides a stand structure and inspection hole structure that subway vehicle base inspected the hole.
In order to realize the purpose, the utility model discloses a technical scheme be:
the utility model provides a stand structure of subway vehicle base inspection hole, includes the body, the body includes the column casing and is located the capital platform directly over the column casing, the column casing lower extreme is used for connecting the hole basis, the column casing with connect through the changeover portion between the capital platform, the changeover portion is followed the ascending grow gradually from the bottom of the fore-and-aft size of rail, the top of capital platform is followed the rail is vertical to be equipped with two fasteners, two the fastener is used for fixed correspondence the rail.
According to the stand column structure of the metro vehicle base inspection pit, the lower end of the column body is used for connecting a pit foundation as in the prior art, the column top platform is used for arranging fasteners as in the prior art, the column body is connected with the column top platform through the transition section, and the size of the transition section along the longitudinal direction of the steel rail is gradually increased from bottom to top, so that the longitudinal size of the column top platform can be increased under the condition of meeting the bearing capacity, and then two fasteners can be arranged at the top of the column top platform along the longitudinal direction of the steel rail at intervals, so that the supporting effect of a single stand column on the steel rail is better, the distance between two longitudinally adjacent stand columns can be increased, the number of the stand columns can be reduced, personnel can conveniently enter the inspection pit from the side surface, the construction amount is reduced, and entering the inspection pit is safer; and on the premise of increasing the longitudinal size of the column top platform, the size of the column body does not need to be increased, so that the visual field in the inspection pit is wider.
Preferably, the section of the transition section along the longitudinal direction of the steel rail is an inverted isosceles trapezoid, so that the transition effect is better.
Preferably, the height of the transition section is 100-300mm, so that the requirement of making the longitudinal size of the column top platform large in bearing capacity can be better met.
Preferably, the horizontal cross-section of capital platform is oval or the rectangle of radius angle, the horizontal cross-section of shaft is circular or the rectangle of radius angle, compares in closed angle concrete stand, and it is convenient that it is under construction, and difficult damaged has reduced the potential safety hazard in operation place, has improved the aesthetic property simultaneously.
The subway vehicle base inspection pit structure comprises a pit foundation and a plurality of stand column structures of the subway vehicle base inspection pits, wherein the stand column structures of the subway vehicle base inspection pits are arranged in two rows, the stand column structures of all the subway vehicle base inspection pits in each row are distributed at intervals along the longitudinal direction of a steel rail, and the gap between the stand column structures of two adjacent subway vehicle base inspection pits in each row is larger than or equal to 1000mm.
According to the scheme, the metro vehicle base inspection pit structure is adopted, and the stand column structure of the metro vehicle base inspection pit is adopted, so that the gap between two stand columns can be set to be larger than or equal to 1000mm, the number of the stand columns can be reduced, personnel can conveniently enter the inspection pit from the side surface, the construction amount is reduced, and the entering of the stand columns into the inspection pit is safer; and on the premise of increasing the longitudinal size of the column top platform, the size of the column body does not need to be increased, so that the visual field in the inspection pit is wider.
Preferably, the pit basis is the cell type structure, the pit basis is including the bottom plate that is located the bottom and being located the curb plate of bottom plate both sides, the shaft bottom surface connect in on the bottom plate, the shaft side is connected correspondingly the curb plate is inboard for the supporting effect of stand is better, can assist better and vertically set up two fasteners at every stand top along the rail, improves the support performance to the rail, and the cell type structure can protect the stand structure.
Preferably, the body is integrated into one piece prefabricated component, the shaft bottom surface with the junction of pit basis is through grafting structure location and temporary connection, the grafting structure is equipped with joint reinforcement all around, joint reinforcement connects the shaft with the pit basis, joint reinforcement is wrapped up by the concrete.
The body includes shaft, capital platform, changeover portion and two fasteners, and it is integrated into one piece prefabricated component, and its precision is high, of high quality, only needs the shaft bottom surface with the junction of pit basis is through grafting structure location and temporary connection, waters the concrete after assembling and wraps up grafting structure connection reinforcing bar all around can form fixedly, and convenient operation effectively reduces the work load of vehicle base on-the-spot track construction, and construction interface is few, and interface construction is effectual, and the efficiency of construction is high.
Preferably, the inserting structure comprises a vertical protrusion and a vertical groove, and can position the stand column and realize temporary connection.
Preferably, the protrusions and the grooves are of cuboid structures matched with each other, the postures of the stand columns can be further positioned, and the postures are limited, so that connection is simpler and more accurate.
Preferably, the protrusion is arranged on the column body, and the groove is arranged on the pit foundation, so that the inserting process is visual, and the operation is simpler and more convenient.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the stand structure of the inspection pit of the metro vehicle base is characterized in that a column body is connected with a column top platform through a transition section, and the transition section is gradually enlarged along the longitudinal dimension of a steel rail from bottom to top, so that the longitudinal dimension of the column top platform can be enlarged under the condition of meeting the bearing capacity, and then two fasteners can be arranged at the top of the column top platform along the longitudinal interval of the steel rail, so that the supporting effect of a single stand on the steel rail is better, the interval between two vertically adjacent stands can be increased, the number of the stands can be reduced, and personnel can conveniently enter the inspection pit from the side, the construction amount is reduced, and the entering of the inspection pit is safer; and on the premise of increasing the longitudinal size of the column top platform, the size of the column body does not need to be increased, so that the visual field in the inspection pit is wider.
2. The utility model discloses a subway vehicle base inspection hole structure adopts the stand structure of above-mentioned subway vehicle base inspection hole for can set up the clearance between two stands to be more than or equal to 1000mm, and then make the quantity that can reduce the stand and make things convenient for personnel to get into the inspection hole from the side, reduce the construction volume and make the entering inspection hole safer; and under the premise of enlarging the longitudinal size of the column top platform, the size of the column body does not need to be increased, so that the visual field in the inspection pit is wider.
Drawings
FIG. 1 is a side schematic view of a column structure of a metro vehicle base inspection pit;
FIG. 2 is a schematic plan view of a column structure of a metro vehicle base inspection pit;
FIG. 3 is a plan view schematic of a metro vehicle base inspection pit structure;
FIG. 4 is a schematic front view of a subway vehicle base inspection pit structure;
FIG. 5 is a side schematic view of a subway vehicle base inspection pit structure;
fig. 6 is a schematic front view of a subway vehicle base inspection pit structure.
An icon: 1-a steel rail; 2-a fastener; 3-a body; 31-a column body; 32-a column top platform; 33-a transition section; 4-pit foundation; 41-a bottom plate; 42-side plate.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Example 1
The embodiment provides a stand column structure of a subway vehicle base inspection pit, and referring to fig. 1-2, the stand column structure comprises a body 3, the body 3 comprises a column body 31 and a column top platform 32 located right above the column body 31, and the lower end of the column body 31 is used for connecting a pit foundation 4, as shown in fig. 4. The column body 31 and the column top platform 32 are connected through a transition section 33, and the size of the transition section 33 along the longitudinal direction of the steel rail 1 is gradually increased from bottom to top, as shown in fig. 1. Two fasteners 2 are arranged at the top of the column top platform 32 at intervals along the longitudinal direction of the steel rail 1, and the two fasteners 2 are used for fixing the corresponding steel rail 1.
This scheme the stand structure in subway vehicle base inspection hole, shaft 31 lower extreme is used for connecting hole basis 4 with prior art the same, and capital platform 32 is used for setting up fastener 2 with prior art the same. However, the column shaft 31 and the column top platform 32 are connected through the transition section 33, and the size of the transition section 33 along the longitudinal direction of the steel rail 1 is gradually increased from bottom to top, so that under the condition of meeting the bearing capacity, the longitudinal size of the column top platform 32 can be increased, and then two fasteners 2 can be arranged at the top of the column top platform 32 along the longitudinal direction of the steel rail 1 at intervals, so that the supporting effect of a single column on the steel rail 1 is better, the distance between two adjacent vertical columns can be increased, the number of the vertical columns can be reduced, personnel can conveniently enter an inspection pit from the side surface, the construction amount is reduced, and the entering of the inspection pit is safer; on the premise that the longitudinal size of the column top platform 32 is large, the size of the column body 31 does not need to be increased, so that the visual field in the inspection pit is wider.
In this embodiment, as shown in fig. 1, the section of the transition section 33 along the longitudinal direction of the steel rail 1 may be an inverted isosceles trapezoid, so that the transition effect is good; of course, the two sides of the isosceles trapezoid can also be arc-shaped structures. Specifically, the transition section 33 may be a quadrangular frustum structure, or a bowl-shaped structure or a circular truncated cone structure, but preferably, the longitudinal dimension of the transition section 33 is larger than the transverse dimension, and correspondingly, the longitudinal dimension of the column top platform 32 is larger than the transverse dimension, as shown in fig. 2, so that the longitudinal expansion is realized for arranging two fasteners 2 at intervals, and the structure form is not expanded in the transverse direction. For example, the horizontal cross sections of the column top platform 32 and the transition section 33 are rectangular or oval. And the horizontal cross-section of shaft 31 can be square or circular, under the guarantee bearing prerequisite, need not to increase the size of shaft 31 for the field of vision in the inspection pit is wider.
In this embodiment, it is preferred, the horizontal cross-section of capital platform 32 is the rectangle of ellipse shape or radius angle, the horizontal cross-section of shaft 31 is the rectangle of circular shape or radius angle, compares in closed angle concrete stand, and its construction is convenient, and difficult damaged has reduced the potential safety hazard in workplace, has improved the aesthetic property simultaneously. And the height of the transition section 33 is 100-300mm, so that the requirement of making the longitudinal size of the column top platform 32 large in bearing capacity can be better met.
In this embodiment, body 3 suitably is precast concrete structure, and precast concrete stand can be mill's prefabricated component, and the precision is high, of high quality, and precast concrete stand only needs to assemble, pour the shaping with the hole basis 4 of inspection hole, effectively reduces the work load of vehicle base site track construction, and construction interface is few, improves the efficiency of construction. The column body 31 and the column top platform 32 are connected through the transition section 33, so that the bearing capacity can be improved, the volume of the lower part of the column can be effectively reduced on the premise of meeting bearing conditions, and the visual field in the inspection pit is wider; and on the premise of meeting the bearing condition, the center distance of the concrete upright can be properly increased to be more than 1400 mm. Meanwhile, the volume of the lower part of the upright posts can be reduced, so that the clear distance between the upright posts can reach more than 1000mm, and people can conveniently enter and exit from the side surface of the inspection pit. The increase of precast concrete stand interval, reducible stand quantity in equal length inspection pit scope saves the engineering volume, reduces engineering cost.
Example 2
The embodiment provides a subway vehicle base inspection pit structure, which is shown in fig. 3-5 and comprises a pit foundation 4 and a plurality of upright post structures of the subway vehicle base inspection pit described in embodiment 1, wherein the upright post structures of all the subway vehicle base inspection pits are arranged in two rows, the upright post structures of all the subway vehicle base inspection pits in each row are distributed along the longitudinal direction of a steel rail 1 at intervals, and the gap between the upright post structures of two adjacent subway vehicle base inspection pits in each row is greater than or equal to 1000mm.
Specifically, if the center distance between two vertical adjacent columns is 1750mm, the steel rail 1 is fixed at the top end of the precast concrete column through two fasteners 2. Upper portion capital platform 32 is long 800mm, and wide 400mm, four bights are equipped with the fillet, and the fillet radius is 40mm. The lower column body 31 is of a quadrangular prism structure with rounded corners, the length of the section is 300mm, the width is 400mm, and the radius of the rounded corners is 40mm. The upper and lower structures are integrally prefabricated and formed through binding steel bars to obtain a transition section 33, and the transition section is prefabricated, poured and formed through engineering and then transported to a construction site.
In this embodiment, the elevation of the top of the column type inspection pit rail is + -0 mm, the elevation of the low ground surface is-1.1 m, and the elevation of the inspection pit is-1.5 m. The distance between the transverse upright columns is 1400mm, and the clear distance between the upright columns is 1100mm.
As shown in fig. 4, the pit foundation 4 is a channel structure, and as viewed from the longitudinal direction of the steel rail 1, the pit foundation 4 includes a bottom plate 41 located at the bottom and side plates 42 located at both sides of the bottom plate 41, the bottom surface of the column shaft 31 is connected to the bottom plate 41, the top surface of the bottom plate 41 has an elevation of-1.1 m, and the bottom surface of the bottom plate 41 has an elevation of-1.5 m. The shaft 31 side connection corresponds the curb plate 42 is inboard for the support effect of stand is better, can assist better and vertically set up two fasteners 2 at every stand top along rail 1, improves the support performance to rail 1, and the cell type structure can protect the stand structure. Of course, the bottom surface of shaft 31 may be attached to the top surface of side panel 42 in a conventional manner, as shown in FIG. 6.
In this embodiment, body 3 is integrated into one piece prefabricated component, body 3 includes shaft 31, capital platform 32, changeover portion 33 and two fasteners 2, and it is integrated into one piece prefabricated component, and its precision is high, of high quality, and wherein fastener 2 can adopt pre-buried form. The bottom surface of the column body 31 is connected with the pit foundation 4 through a splicing structure in a positioning and temporary connection mode, connecting steel bars are arranged on the periphery of the splicing structure and connected with the column body 31 and the pit foundation 4, and the connecting steel bars are wrapped by concrete. The bottom surface of the column body 31 and the connection part of the pit foundation 4 are positioned and temporarily connected through the splicing structure, and after assembly, the connection reinforcing steel bars around the splicing structure can be formed and fixed by grouting and pouring concrete, so that the operation is convenient, the workload of vehicle base site track construction is effectively reduced, the construction interface is few, the interface construction effect is good, and the construction efficiency is high.
Preferably, the inserting structure comprises a vertical protrusion and a vertical groove, and can position the stand column and realize temporary connection. Preferably, the protrusion and the groove are of adaptive cuboid structures, the posture of the stand column can be further positioned, and the posture is limited, so that connection is simpler and more accurate. Preferably, the protrusion is arranged on the column body 31, and the groove is arranged on the pit foundation 4, so that the plugging process is visual, and the operation is simpler and more convenient.
By adopting the stand column structure of the inspection pit of the subway vehicle base, the gap between two stand columns can be set to be larger than or equal to 1000mm, so that the number of the stand columns can be reduced, personnel can conveniently enter the inspection pit from the side surface, the construction amount is reduced, and the entering of the inspection pit is safer; on the premise that the longitudinal size of the column top platform 32 is increased, the size of the column body 31 does not need to be increased, so that the visual field in the inspection pit is wider.
This embodiment is applicable to urban rail transit field, replaces traditional column type inspection pit cast-in-place stand form, adopts special prefabricated construction, has characteristics such as construction process is simple, the construction precision is high, the aesthetic property is good, the security is high. Meanwhile, the inverted trapezoidal structure can effectively increase the distance between the vertical adjacent stand columns, so that the personnel can conveniently check the pit from top to bottom from the side surface, and the practicability is better.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a stand structure of subway vehicle base inspection pit, characterized in that, includes body (3), body (3) are including shaft (31) and be located capital platform (32) directly over shaft (31), shaft (31) lower extreme is used for connecting pit basis (4), shaft (31) with connect through changeover portion (33) between capital platform (32), changeover portion (33) are followed rail (1) fore-and-aft size and are followed upwards grow gradually from down, the top of capital platform (32) is followed rail (1) longitudinal separation is equipped with two fasteners (2), two fastener (2) are used for fixed correspondence rail (1).
2. The column structure of a metro vehicle base inspection pit according to claim 1, wherein a cross section of the transition section (33) along the longitudinal direction of the steel rail (1) is an inverted isosceles trapezoid.
3. The column structure of a metro vehicle base inspection pit according to claim 1, wherein the height of the transition section (33) is 100-300mm.
4. A mast structure of a metro vehicle base inspection pit according to any one of claims 1 to 3, wherein a horizontal section of the mast platform (32) is an oval or a rounded rectangle, and a horizontal section of the mast (31) is a round or a rounded rectangle.
5. A metro vehicle base inspection pit structure is characterized by comprising a pit foundation (4) and a plurality of the vertical column structures of the metro vehicle base inspection pits in claims 1-4, wherein the vertical column structures of all the metro vehicle base inspection pits are arranged in two rows, the vertical column structures of all the metro vehicle base inspection pits in each row are distributed at intervals along the longitudinal direction of a steel rail (1), and the gap between the vertical column structures of two adjacent metro vehicle base inspection pits in each row is greater than or equal to 1000mm.
6. A subway vehicle base inspection pit structure as claimed in claim 5, wherein said pit foundation (4) is a channel type structure, said pit foundation (4) comprises a bottom plate (41) at the bottom and side plates (42) at both sides of said bottom plate (41), said pillar body (31) is connected at the bottom to said bottom plate (41), said pillar body (31) is connected at the side corresponding to the inside of said side plates (42).
7. A metro vehicle base inspection pit structure according to any one of claims 5 to 6, wherein the body (3) is an integrally formed prefabricated member, the junction between the bottom surface of the column body (31) and the pit foundation (4) is positioned and temporarily connected through a plug-in structure, the periphery of the plug-in structure is provided with connecting steel bars, the connecting steel bars connect the column body (31) and the pit foundation (4), and the connecting steel bars are wrapped by concrete.
8. A metro vehicle base inspection pit structure as claimed in claim 7, wherein the plugging structure comprises a vertical protrusion and a vertical groove.
9. A metro vehicle base inspection pit structure as claimed in claim 8, wherein the protrusion and the groove are of a fitted rectangular parallelepiped structure.
10. A metro vehicle base inspection pit structure according to claim 8, wherein said protrusion is provided on said shaft (31) and said groove is provided on said pit foundation (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222018449.3U CN218346558U (en) | 2022-08-02 | 2022-08-02 | Stand structure and inspection hole structure that subway vehicle base inspection was bored |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222018449.3U CN218346558U (en) | 2022-08-02 | 2022-08-02 | Stand structure and inspection hole structure that subway vehicle base inspection was bored |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218346558U true CN218346558U (en) | 2023-01-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222018449.3U Active CN218346558U (en) | 2022-08-02 | 2022-08-02 | Stand structure and inspection hole structure that subway vehicle base inspection was bored |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218346558U (en) |
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2022
- 2022-08-02 CN CN202222018449.3U patent/CN218346558U/en active Active
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