CN210657803U - Steel pipe concrete component and sleeper block connection reinforcing structure and sleeper comprising same - Google Patents
Steel pipe concrete component and sleeper block connection reinforcing structure and sleeper comprising same Download PDFInfo
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- CN210657803U CN210657803U CN201921172225.XU CN201921172225U CN210657803U CN 210657803 U CN210657803 U CN 210657803U CN 201921172225 U CN201921172225 U CN 201921172225U CN 210657803 U CN210657803 U CN 210657803U
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Abstract
The utility model discloses a steel pipe concrete component and sleeper piece are connected additional strengthening and are contained its sleeper, its characterized in that: the concrete sleeper is characterized in that a radial width reducing part (3) is arranged in a length range smaller than 50mm from a position 100mm-200mm away from an opening end of a hollow steel pipe embedded into the sleeper block (1), the radial width reducing part (3) is also arranged at the middle section part of the hollow steel pipe embedded into a track bed, the radial width reducing part (3) is filled with concrete in the pouring process of the hollow steel pipe, and the concrete sleeper block is poured into a whole with the sleeper block (1) in the pouring process of the sleeper block (1) and is poured into a whole with the track bed in the pouring process of the track bed. The diameter of the end part and the middle part of the steel pipe is reduced by adopting a reducing mode, when the steel pipe concrete member is under the action of external load, the part of the steel pipe concrete member, which is positioned in the sleeper, is tightly clamped with the sleeper block, and the part of the steel pipe concrete member is tightly clamped with the track bed concrete, so that the better load resisting effect is realized, and the bonding performance of the steel pipe concrete sleeper is enhanced.
Description
Technical Field
The utility model belongs to ballastless track concrete sleeper field, concretely relates to ballastless track's concrete filled steel tube component and sleeper block's connection additional strengthening to and have this connection additional strengthening's ballastless track's concrete filled steel tube sleeper.
Background
In a railway ballastless track system, there is a prefabricated sleeper, and the sleeper is installed in the railway ballast bed or is poured as an organic whole with the railway bed with concrete, is used for installing the fastener, further fixes the rail of top to need to keep good connectivity with the railway bed, but still have following defect:
1. the existing steel pipe concrete surface is a relatively smooth steel material surface, after the steel pipe concrete surface is directly embedded into materials such as concrete, the bond stress of the steel pipe concrete surface and the material is limited, the combination between the steel pipe concrete and a sleeper block is not firm enough, and the steel pipe concrete surface is easy to loosen and break away.
2. The diameter of the hollow steel pipe is small, concrete is difficult to fill in the steel pipe, the compactness in the steel pipe is insufficient, the compactness between the steel pipe outlet and the sleeper block is insufficient, the hidden danger of diseases is brought to the whole sleeper structure, and the later maintenance cost is high.
SUMMERY OF THE UTILITY MODEL
At least one in defect or improvement demand more than prior art, the utility model provides a ballastless track's steel pipe concrete component and sleeper block's additional strengthening is connected, adopts the mode of undergauge to reduce steel pipe tip and middle part diameter, when receiving external load effect, the steel pipe concrete component is located the part and the sleeper block chucking of sleeper, at the part and the track bed concrete chucking of track bed, better resistance load effect for steel pipe concrete sleeper bonding property strengthens.
In order to achieve the above object, according to an aspect of the present invention, there is provided a connection reinforcing structure of a concrete filled steel tube member and a sleeper block of a ballastless track, for use in a concrete filled steel tube sleeper of a ballastless track, the concrete filled steel tube sleeper includes two or more sleeper blocks and a plurality of concrete filled steel tubes connecting the sleeper blocks, the sleeper blocks are formed by pouring concrete, the concrete filled steel tubes are formed by pouring concrete through hollow steel tubes and are arranged in a manufacturing mold of two sleeper blocks adjacent to each other, and the sleeper blocks are integrally poured with the sleeper blocks in a pouring process of the sleeper blocks; wherein:
the method comprises the steps that a radial width reducing part is arranged in a length range smaller than 50mm from a position, 100mm-200mm away from an opening end, of a hollow steel pipe embedded into a sleeper block, and a radial width reducing part is also arranged at the middle section part of the hollow steel pipe embedded into a track bed.
Preferably, the cross section of the radial width reduction part is circular, oval or long-strip-shaped.
Preferably, the number of the hollow steel pipes is two, and the hollow steel pipes are distributed on two sides of an embedded part of the sleeper block;
or the number of the hollow steel pipes is three, and the three hollow steel pipes are arranged in the following mode: the center connecting lines of the cross sections of the three hollow steel pipes form a triangle.
In order to achieve the above object, according to the present invention, there is provided a concrete filled steel tube sleeper for a ballastless track, comprising two or more sleeper blocks and a plurality of concrete filled steel tubes connecting the sleeper blocks, wherein the concrete filled steel tube member for a ballastless track and the sleeper blocks are connected with each other by the reinforcing structure.
In order to achieve the above object, according to another aspect of the present invention, there is provided a connection reinforcing structure of a concrete filled steel tube member and a sleeper block of a ballastless track, for use in a concrete filled steel tube sleeper of a ballastless track, the concrete filled steel tube sleeper including two or more sleeper blocks and a plurality of concrete filled steel tubes connecting the sleeper blocks, the sleeper blocks being formed by casting concrete, the concrete filled steel tube being configured to be disposed in a manufacturing mold of two sleeper blocks adjacent to each other by using a hollow steel tube, cast integrally with the sleeper blocks in a casting process of the sleeper blocks, and simultaneously, the hollow steel tube being filled with concrete; wherein:
the method comprises the steps that a radial width reducing part is arranged in a length range smaller than 50mm from a position, 100mm-200mm away from an opening end, of a hollow steel pipe embedded into a sleeper block, and a radial width reducing part is also arranged at the middle section part of the hollow steel pipe embedded into a track bed.
Preferably, the cross section of the radial width reduction part is circular, oval or long-strip-shaped.
Preferably, the number of the hollow steel pipes is two, and the hollow steel pipes are distributed on two sides of an embedded part of the sleeper block;
or the number of the hollow steel pipes is three, and the three hollow steel pipes are arranged in the following mode: the center connecting lines of the cross sections of the three hollow steel pipes form a triangle.
In order to achieve the above object, according to the present invention, there is provided a concrete filled steel tube sleeper for a ballastless track, comprising two or more sleeper blocks and a plurality of concrete filled steel tubes connecting the sleeper blocks, wherein the concrete filled steel tube member for a ballastless track and the sleeper blocks are connected with each other by the reinforcing structure.
The above-described preferred features may be combined with each other as long as they do not conflict with each other.
Generally, through the utility model discloses above technical scheme who conceives compares with prior art, has following beneficial effect:
1. the utility model discloses a ballastless track's concrete filled steel tube component and sleeper block's be connected additional strengthening, because the steel pipe is circular more smooth surface, it is limited directly to bury the bond stress of its contact of concrete, the condition of drunkenness probably appears under the load effect, adopt processing machinery to reduce the external diameter with steel pipe tip or middle part before the steel pipe pours the filler material, then fill with mortar filler material in the steel pipe, pour the concrete filled steel tube component and sleeper block together again for the concrete filled steel tube component closes firmly with the sleeper block. The diameter of the end part and the middle part of the steel pipe is reduced by adopting a reducing mode, when the steel pipe concrete member is under the action of external load, the part of the steel pipe concrete member, which is positioned in the sleeper, is tightly clamped with the sleeper block, and the part of the steel pipe concrete member is tightly clamped with the track bed concrete, so that the better load resisting effect is realized, and the bonding performance of the steel pipe concrete sleeper is enhanced.
2. The utility model discloses a ballastless track's steel pipe concrete component and sleeper block's additional strengthening are connected, and behind the sleeper pouring got into the railway bed simultaneously, with railway bed concrete chucking, the better effect of resisting the load.
Drawings
Fig. 1 is a schematic view of a hollow steel tube of a connection reinforcing structure of a concrete-filled steel tube member and a sleeper block of a ballastless track according to an embodiment of the present invention;
3 FIG. 3 2 3 is 3 a 3 schematic 3 cross 3- 3 sectional 3 view 3 of 3 section 3 A 3- 3 A 3 of 3 FIG. 3 1 3; 3
FIG. 3 is a schematic cross-sectional view of section B-B of FIG. 1;
fig. 4 is a schematic view of a concrete filled steel tube sleeper of a ballastless track according to an embodiment of the present invention.
In the above figures, the units of the size marks are mm.
Detailed Description
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 merely illustrative of the invention and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other. The present invention will be described in further detail with reference to the following embodiments.
As a first preferred embodiment of the present invention, as shown in fig. 1-4, the present invention provides a connection reinforcing structure for a concrete-filled steel tube member and a sleeper block of a ballastless track, which is used in a concrete-filled steel tube sleeper of a ballastless track, the concrete-filled steel tube sleeper includes two or more sleeper blocks 1 and a plurality of concrete-filled steel tubes 2 connecting the sleeper blocks 1, the sleeper block 1 is formed by concrete casting, the concrete-filled steel tubes 2 are formed by pouring concrete through hollow steel tubes, and are disposed in a manufacturing mold for two sleeper blocks 1 adjacent to each other, and are integrally cast with the sleeper block 1 in the pouring process of the sleeper block 1; wherein:
the method is characterized in that a radial width reducing part 3 is arranged in a length range smaller than 50mm from a position, 100mm-200mm away from an opening end, of a hollow steel pipe embedded into a track bed, the middle section part of the hollow steel pipe embedded into the track bed is also provided with the radial width reducing part 3, in the process of pouring the hollow steel pipe, the radial width reducing part 3 is also filled with concrete, the track pillow block 1 and the track pillow block 1 are poured into a whole in the pouring process of the track bed, and the track bed are poured into a whole in the pouring process of the track bed.
Preferably, the cross section of the radial width reduction part 3 is circular, oval, or long strip. When the hollow steel pipe is circular in cross section, the outer diameter of the main body part is preferably 40mm, and the range of 0-50mm at the two ends of the hollow steel pipe is reduced to about 37 mm. The diameter of the end part and the middle part of the steel pipe is reduced by adopting a reducing mode, when the steel pipe concrete member is under the action of external load, the part of the steel pipe concrete member, which is positioned in the sleeper, is tightly clamped with the sleeper block, and the part of the steel pipe concrete member is tightly clamped with the track bed concrete, so that the better load resisting effect is realized, and the bonding performance of the steel pipe concrete sleeper is enhanced.
Preferably, the number of the hollow steel pipes is two, and the hollow steel pipes are distributed on two sides of an embedded part of the sleeper block. Or the number of the hollow steel pipes is three, and the three hollow steel pipes are arranged in the following mode: the center connecting lines of the cross sections of the three hollow steel pipes form a triangle.
In order to achieve the above object, according to another aspect of the present invention, there is provided a concrete filled steel tube sleeper of a ballastless track, comprising two or more sleeper blocks 1 and a plurality of concrete filled steel tubes 2 connecting the sleeper blocks 1, and further having a connection reinforcing structure for the concrete filled steel tube member of the ballastless track and the sleeper blocks as described above.
In order to achieve the above object, according to another aspect of the present invention, there is provided a method for constructing a concrete filled steel tube sleeper of a ballastless track, including:
the method comprises the following steps: selecting a hollow steel pipe with the root length of 2000mm and the outer diameter of 40 mm;
secondly, extruding and reducing the hollow steel pipe to an outer diameter of 37mm within a length range of 0-50mm from a position 100mm-200mm away from the opening end to form a plurality of radial width reducing parts 3; and the middle section part of the hollow steel pipe embedded in the ballast bed is extruded and reduced to the outer diameter of 37mm within the length range of 0-50mm to form a plurality of radial width reducing parts 3;
step three: injecting and pouring high-pressure concrete filling materials from one end of the hollow steel pipe to the other end of the hollow steel pipe, and filling all the radial width reducing parts 3 with concrete to be compact;
step four: maintaining the steel pipe concrete members to form a plurality of prefabricated steel pipe concrete 2;
step five: placing the steel pipe concrete 2 and the reinforcement cage into a sleeper production mold, and pouring concrete materials to pour the steel pipe concrete 2 into the sleeper block 1;
step six: in the pouring process of the track bed, the middle section part of the concrete filled steel tube 2 including the radial width reduction part 3 is poured with the track bed into a whole.
The utility model discloses a ballastless track's concrete filled steel tube component and sleeper block's be connected additional strengthening, because the steel pipe is circular more smooth surface, it is limited directly to bury the bond stress of its contact of concrete, the condition of drunkenness probably appears under the load effect, adopt processing machinery to reduce the external diameter with steel pipe tip or middle part before the steel pipe pours the filler material, then fill with mortar filler material in the steel pipe, pour the concrete filled steel tube component and sleeper block together again for the concrete filled steel tube component closes firmly with the sleeper block. The diameter of the end part and the middle part of the steel pipe is reduced by adopting a reducing mode, when the steel pipe concrete member is under the action of external load, the part of the steel pipe concrete member, which is positioned in the sleeper, is tightly clamped with the sleeper block, and the part of the steel pipe concrete member is tightly clamped with the track bed concrete, so that the better load resisting effect is realized, and the bonding performance of the steel pipe concrete sleeper is enhanced.
The utility model discloses a ballastless track's steel pipe concrete component and sleeper block's additional strengthening are connected, and behind the sleeper pouring got into the railway bed simultaneously, with railway bed concrete chucking, the better effect of resisting the load.
As a second preferred embodiment of the present invention, as shown in fig. 1-4, the present invention further provides a connection reinforcing structure between a concrete-filled steel tube member of a ballastless track and a sleeper block, for use in a concrete-filled steel tube sleeper of a ballastless track, the concrete-filled steel tube sleeper includes two or more sleeper blocks 1 and a plurality of concrete-filled steel tubes 2 connecting the sleeper blocks 1, the sleeper blocks 1 are formed by concrete casting, the concrete-filled steel tubes 2 are configured to be disposed in manufacturing molds of two sleeper blocks 1 adjacent to each other by using hollow steel tubes, and are integrally cast with the sleeper blocks 1 in the process of casting the sleeper blocks 1, and the hollow steel tubes are filled with concrete; wherein:
the method is characterized in that a radial width reducing part 3 is arranged in a length range smaller than 50mm from a position, 100mm-200mm away from an opening end, of a hollow steel pipe embedded into a track bed, the middle section part of the hollow steel pipe embedded into the track bed is also provided with the radial width reducing part 3, in the process of pouring the hollow steel pipe, the radial width reducing part 3 is also filled with concrete, the track pillow block 1 and the track pillow block 1 are poured into a whole in the pouring process of the track bed, and the track bed are poured into a whole in the pouring process of the track bed.
Preferably, the cross section of the radial width reduction part 3 is circular, oval or elongated. When the hollow steel pipe is circular in cross section, the outer diameter of the main body part is preferably 40mm, and the range of 0-50mm at the two ends of the hollow steel pipe is reduced to about 37 mm. The diameter of the end part and the middle part of the steel pipe is reduced by adopting a reducing mode, when the steel pipe concrete member is under the action of external load, the part of the steel pipe concrete member, which is positioned in the sleeper, is tightly clamped with the sleeper block, and the part of the steel pipe concrete member is tightly clamped with the track bed concrete, so that the better load resisting effect is realized, and the bonding performance of the steel pipe concrete sleeper is enhanced.
Preferably, the number of the hollow steel pipes is two, and the hollow steel pipes are distributed on two sides of an embedded part of the sleeper block. Or the number of the hollow steel pipes is three, and the three hollow steel pipes are arranged in the following mode: the center connecting lines of the cross sections of the three hollow steel pipes form a triangle.
In order to achieve the above object, according to another aspect of the present invention, there is provided a concrete filled steel tube sleeper of a ballastless track, comprising two or more sleeper blocks 1 and a plurality of concrete filled steel tubes 2 connecting the sleeper blocks 1, and further having a connection reinforcing structure for the concrete filled steel tube member of the ballastless track and the sleeper blocks as described above.
In order to achieve the above object, according to another aspect of the present invention, there is provided a method for constructing a concrete filled steel tube sleeper of a ballastless track, including:
the method comprises the following steps: selecting a hollow steel pipe with the root length of 2000mm and the outer diameter of 40 mm;
step two: extruding and reducing the hollow steel pipe to an outer diameter of 37mm within a length range of 0-50mm from a position 100mm-200mm away from the opening end to form a plurality of radial width reducing parts 3; and the middle section part of the hollow steel pipe embedded in the ballast bed is extruded and reduced to the outer diameter of 37mm within the length range of 0-50mm to form a plurality of radial width reducing parts 3;
step three: thus forming a plurality of prefabricated hollow steel pipes;
step four: placing the hollow steel pipe and the reinforcement cage into a sleeper production mold, spraying high-pressure concrete filling materials from one end of the hollow steel pipe to the other end of the hollow steel pipe until the sleeper block mold cavity at the other end and all the radial width reduced parts 3 are filled, and then continuously filling the sleeper block mold cavity at the side so that the steel pipe concrete 2 is poured into the sleeper block 1;
step five: maintaining the steel pipe concrete sleeper;
step six: in the pouring process of the track bed, the middle section part of the concrete filled steel tube 2 including the radial width reduction part 3 is poured with the track bed into a whole.
The utility model discloses a ballastless track's concrete filled steel tube component and sleeper block's be connected additional strengthening, because the steel pipe is circular more smooth surface, it is limited directly to bury the bond stress of its contact of concrete, the condition of drunkenness probably appears under the load effect, adopt processing machinery to reduce the external diameter with steel pipe tip or middle part before the steel pipe pours the filler material, then fill with mortar filler material in the steel pipe, pour the concrete filled steel tube component and sleeper block together again for the concrete filled steel tube component closes firmly with the sleeper block. The diameter of the end part and the middle part of the steel pipe is reduced by adopting a reducing mode, when the steel pipe concrete member is under the action of external load, the part of the steel pipe concrete member, which is positioned in the sleeper, is tightly clamped with the sleeper block, and the part of the steel pipe concrete member is tightly clamped with the track bed concrete, so that the better load resisting effect is realized, and the bonding performance of the steel pipe concrete sleeper is enhanced.
The utility model discloses a ballastless track's steel pipe concrete component and sleeper block's additional strengthening are connected, and behind the sleeper pouring got into the railway bed simultaneously, with railway bed concrete chucking, the better effect of resisting the load.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. A steel pipe concrete member and sleeper block connection reinforcing structure is used in a steel pipe concrete sleeper of a ballastless track, the steel pipe concrete sleeper comprises two or more sleeper blocks (1) and a plurality of steel pipe concrete (2) connected with the sleeper blocks (1), the sleeper blocks (1) are formed by pouring concrete, the steel pipe concrete (2) is formed by pouring concrete through hollow steel pipes and is arranged in a manufacturing mould of two sleeper blocks (1) adjacent to each other, and the steel pipe concrete member and sleeper blocks (1) are integrally poured in the pouring process of the sleeper blocks (1); the method is characterized in that:
the hollow steel pipe that buries sleeper block (1) has radial width reduction portion (3) within the length range that is less than 50mm from the position of open end 100mm-200mm, just the interlude part that hollow steel pipe buries the track bed also has radial width reduction portion (3) the in-process that hollow steel pipe pours, radial width reduction portion (3) also are filled with the concrete to in the pouring process of sleeper block (1) with sleeper block (1) pours as an organic wholely the in-process of pouring of track bed with the track bed pours as an organic wholely.
2. The concrete filled steel tube structural member and tie block connecting reinforcing structure as claimed in claim 1, wherein:
the cross section of the radial width reducing part (3) is circular, oval or long-strip-shaped.
3. The concrete filled steel tube structural member and tie block connecting reinforcing structure as claimed in claim 1, wherein:
the number of the hollow steel pipes is two, and the hollow steel pipes are distributed on two sides of the embedded part of the sleeper block;
or the number of the hollow steel pipes is three, and the three hollow steel pipes are arranged in the following mode: the center connecting lines of the cross sections of the three hollow steel pipes form a triangle.
4. The utility model provides a concrete filled steel tube sleeper of ballastless track, includes two or more sleeper blocks (1) and connects many concrete filled steel tube (2) of above-mentioned sleeper block (1), its characterized in that: the concrete filled steel tube member and sleeper block connecting and reinforcing structure as claimed in any one of claims 1 to 3 is further provided.
5. A steel pipe concrete member and sleeper block connection reinforcing structure is used in a steel pipe concrete sleeper of a ballastless track, the steel pipe concrete sleeper comprises two or more sleeper blocks (1) and a plurality of steel pipe concrete (2) connected with the sleeper blocks (1), the sleeper blocks (1) are formed by concrete pouring, the steel pipe concrete (2) is constructed by arranging hollow steel pipes in manufacturing molds of two sleeper blocks (1) adjacent to each other, the hollow steel pipes and the sleeper blocks (1) are integrally poured in the pouring process of the sleeper blocks (1), and meanwhile, the hollow steel pipes are filled with concrete; the method is characterized in that:
the hollow steel pipe that buries sleeper block (1) has radial width reduction portion (3) within the length range that is less than 50mm from the position of open end 100mm-200mm, just the interlude part that hollow steel pipe buries the track bed also has radial width reduction portion (3) the in-process that hollow steel pipe pours, radial width reduction portion (3) also are filled with the concrete to in the pouring process of sleeper block (1) with sleeper block (1) pours as an organic wholely the in-process of pouring of track bed with the track bed pours as an organic wholely.
6. The concrete filled steel tube structural member and sleeper block connecting reinforcing structure according to claim 5, wherein:
the cross section of the radial width reducing part (3) is circular, oval or long-strip-shaped.
7. The concrete filled steel tube structural member and sleeper block connecting reinforcing structure according to claim 5, wherein:
the number of the hollow steel pipes is two, and the hollow steel pipes are distributed on two sides of the embedded part of the sleeper block;
or the number of the hollow steel pipes is three, and the three hollow steel pipes are arranged in the following mode: the center connecting lines of the cross sections of the three hollow steel pipes form a triangle.
8. The utility model provides a concrete filled steel tube sleeper of ballastless track, includes two or more sleeper blocks (1) and connects many concrete filled steel tube (2) of above-mentioned sleeper block (1), its characterized in that: the concrete filled steel tube member and sleeper block connecting and reinforcing structure as claimed in any one of claims 5 to 7 is further provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921172225.XU CN210657803U (en) | 2019-07-24 | 2019-07-24 | Steel pipe concrete component and sleeper block connection reinforcing structure and sleeper comprising same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921172225.XU CN210657803U (en) | 2019-07-24 | 2019-07-24 | Steel pipe concrete component and sleeper block connection reinforcing structure and sleeper comprising same |
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| CN210657803U true CN210657803U (en) | 2020-06-02 |
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| CN201921172225.XU Active CN210657803U (en) | 2019-07-24 | 2019-07-24 | Steel pipe concrete component and sleeper block connection reinforcing structure and sleeper comprising same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110424190A (en) * | 2019-07-24 | 2019-11-08 | 中铁第四勘察设计院集团有限公司 | The concrete filled steel tubular member of non-fragment orbit and the connection reinforcement of sleeper block design |
-
2019
- 2019-07-24 CN CN201921172225.XU patent/CN210657803U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110424190A (en) * | 2019-07-24 | 2019-11-08 | 中铁第四勘察设计院集团有限公司 | The concrete filled steel tubular member of non-fragment orbit and the connection reinforcement of sleeper block design |
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