CN215366840U - Railway bridge lower blocking ballast and water intercepting device - Google Patents
Railway bridge lower blocking ballast and water intercepting device Download PDFInfo
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- CN215366840U CN215366840U CN202120431941.6U CN202120431941U CN215366840U CN 215366840 U CN215366840 U CN 215366840U CN 202120431941 U CN202120431941 U CN 202120431941U CN 215366840 U CN215366840 U CN 215366840U
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- railway bridge
- bridge
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- ballast
- railway
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- 230000000903 blocking effect Effects 0.000 title claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 7
- 238000004873 anchoring Methods 0.000 claims description 6
- 239000003245 coal Substances 0.000 claims description 6
- 239000012634 fragment Substances 0.000 claims description 6
- 239000000178 monomer Substances 0.000 claims description 6
- 239000004575 stone Substances 0.000 claims description 6
- 238000010276 construction Methods 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000002407 reforming Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000003466 welding Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
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Abstract
The utility model discloses a railway bridge lower ballast blocking and water intercepting device which comprises device bodies arranged on two lateral sides of a railway bridge, wherein each device body comprises two groups of pipe column structures, a tray structure, a triangular truss and a ballast blocking net structure; the two groups of pipe column structures are respectively and fixedly connected on two side walls of the U-shaped groove of the underpass road; the tray structure comprises a tray and a drainage structure, the tray extends along the bridge direction of the railway bridge, two ends of the tray are respectively and fixedly connected to the two groups of pipe column structures, and the drainage structure drains water on the railway bridge to the two transverse sides of the underpass road; the triangular truss extends along the bridge direction of the railway bridge, and is fixedly connected to the tray; the ballast blocking net structure extends along the bridge direction of the railway bridge and is fixedly connected to the triangular truss. The utility model effectively solves the problems of drainage of the railway bridge on the underpass highway section and the addition of the ballast blocking net, replaces the mode of reforming the structure of the railway bridge, and has the advantages of long service life, easy maintenance, short construction period and the like.
Description
Technical Field
The utility model relates to a railway bridge technology, in particular to a railway bridge lower blocking ballast and water intercepting device.
Background
In recent years, with the rapid development of railways and highways in China, crossing of highways and railways is inevitable. In the railways in China, the proportion of the bridges is large, and the new highway projects pass through the existing railway bridges to become the normal state of crossing the new highway and the existing railway.
According to relevant regulations, in a process of crossing a railway under a highway or an urban road, in order to ensure the safety of vehicles under a bridge, a drainage hole of a railway bridge needs to be blocked. And a ballast blocking net is added on the railway bridge, so that the railway ballast is prevented from falling to influence the driving safety under the bridge. The railing of existing railway bridge often is older, and when designing the railway railing, also do not consider to keep off tiny fragments of stone, coal, etc. net load, the structure of own is comparatively weak, brings the difficulty for the engineering implementation. Meanwhile, the drainage difficulty of the railway bridge is increased by plugging the drainage holes of the railway bridge, the construction period is long, and the railway operation is seriously influenced. The method has certain adverse effect on the railway bridge structure and influences the normal operation of the railway for a long time.
Therefore, a technology is needed to be developed at present, which can effectively solve the problems of drainage of a railway bridge at a crossing road and increase of a ballast blocking net and ensure the driving safety of vehicles on the railway bridge. Meanwhile, the technology has the advantages of small influence on the railway bridge structure, long service life, easiness in maintenance, short construction period and the like, and can be widely applied.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art, and provides a railway bridge lower retaining ballast and water interception device which is used as an auxiliary structure of a railway bridge, can be applied to a newly-built highway engineering to pass through an existing railway bridge, effectively solves the problems of drainage of the railway bridge and arrangement of a retaining ballast net on a passing highway section, and replaces the mode of modifying the structure of the railway bridge. Meanwhile, the ballast retaining and water intercepting device under the railway bridge has the advantages of long service life, easiness in maintenance, short construction period and the like, is beneficial to wide popularization and application, and has great production and application significance.
The technical scheme adopted by the utility model is as follows: the utility model provides a railway bridge is fender tiny fragments of stone, coal, etc. and water cut-off device down, fender tiny fragments of stone, coal, etc. and water cut-off device sets up and wears railway bridge department under highway engineering, is in including setting up the device body of railway bridge horizontal bridge to both sides, the device body includes:
the two groups of pipe column structures are respectively and fixedly connected to two side walls of the U-shaped groove of the underpass;
the tray structure comprises a tray and a drainage structure, the tray extends along the bridge direction of the railway bridge, and two ends of the tray are respectively and fixedly connected to the two groups of pipe column structures; the drainage structure drains water on the railway bridge to the two transverse sides of the underpass road;
the triangular truss extends along the bridge direction of the railway bridge, and is fixedly connected to the tray; and the number of the first and second groups,
and the ballast blocking net structure extends along the bridge direction of the railway bridge, and is fixedly connected to the triangular truss.
Further, each group of tubular column structures all includes:
the two upright posts are arranged at intervals along the line direction of the underpass road, the top ends of the upright posts are fixedly connected with the tray, and the bottom ends of the upright posts are fixedly connected with the side wall of the U-shaped groove of the underpass road; and
and the cross rods are arranged between the two vertical rods and are arranged at intervals along the vertical direction.
Furthermore, each upright rod consists of a plurality of sections of upright rod monomers, and the adjacent upright rod monomers are connected with each other through flanges.
Furthermore, a chassis is arranged at the bottom end of each vertical rod, an anchoring steel bar is fixedly connected to the chassis, and the vertical rods are fixedly connected with the side walls of the U-shaped grooves of the underpass roads through the anchoring steel bars.
Furthermore, the bottom surface of the tray is composed of a plurality of supporting beams arranged at intervals along the bridge direction of the railway bridge and a first ballast blocking net fixedly connected to the bottom surfaces of the supporting beams.
Further, the drainage structure includes:
the horizontal drainage pipe extends along the bridge direction of the railway bridge, and two ends of the horizontal drainage pipe are respectively positioned at two transverse sides of the underpass road; and the number of the first and second groups,
and the top end of the vertical drainage pipe is positioned below the drainage hole of the railway bridge, and the bottom end of the vertical drainage pipe is communicated with the horizontal drainage pipe.
Further, the triangular truss includes:
the three chords extend along the bridge direction of the railway bridge, one of the chords is used for connecting the ballast blocking net structure and is a top chord, and the other two chords are used for connecting the tray and are bottom chords;
the triangular support frames are arranged along the bridge direction of the railway bridge at intervals, each triangular support frame comprises two vertical web members and one transverse bottom rod, the vertical web members are connected with the top chord members and the bottom chord members, and the transverse bottom rods are connected with the two bottom chord members; and the number of the first and second groups,
the oblique web members are arranged on two side surfaces of the triangular truss and arranged at an angle with the chord members; one end of each oblique web member is connected to the top chord member, the other end of each oblique web member is connected to the bottom chord member, and the connecting point of each oblique web member and the corresponding chord member is the connecting point of the triangular support frame and the corresponding chord member.
Furthermore, sealing plates are arranged on two end faces of each chord.
Further, the ballast blocking net structure comprises:
the bottom end of each upright post is fixedly connected with the triangular truss; and the number of the first and second groups,
and the second ballast net is arranged between every two adjacent stand columns.
And further, connecting the stand column with the second ballast net by using a hoop.
The utility model has the beneficial effects that: the utility model creatively provides a novel railway bridge lower blocking ballast and water intercepting device. Compared with the prior art, the existing bridge is not transformed, the structure of the existing bridge is not influenced, and the problems of drainage of the railway bridge of the underpass road section and increase of the ballast blocking net are effectively solved. Meanwhile, the structure is completely composed of standard steel components, standardized manufacturing can be achieved, and construction is convenient. The structure has short construction period, has small influence on the normal operation of railways, is favorable for wide popularization and application, and has great production practice significance and economic value.
Drawings
FIG. 1: the utility model relates to a vertical structure schematic diagram of a railway bridge lower retaining ballast and a water interception device;
FIG. 2: the utility model relates to a cross section structure schematic diagram of a railway bridge lower blocking ballast and a water interception device;
FIG. 3: the utility model discloses a vertical surface structure schematic diagram of a ballast blocking net structure;
FIG. 4: the utility model discloses a schematic diagram of a triangular truss vertical surface structure;
FIG. 5: the structural section of the tray structure of the utility model is schematic;
FIG. 6: the utility model is a schematic diagram of a vertical structure of a tubular column structure;
FIG. 7: the utility model relates to a relation graph of a railway bridge lower retaining ballast and a water interception device and a railway bridge.
The attached drawings are marked as follows:
i, passing a U-shaped groove of a road downwards;
1-a tray; 2-vertical rod;
3-a cross bar; 4-flange;
5-the chassis; 6-anchoring the steel bar;
7-a first ballast retaining net; 8-a horizontal drainage pipe;
9-a drainage vertical pipe; 10-top chord;
11-bottom chord; 12-vertical web member;
13-transverse bottom bar; 14-diagonal web member;
15-sealing plate; 16-upright column;
17-second ballast net; 18-anchor ear;
19-supporting the beam.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings:
as shown in the attached drawings 1 to 7, the railway bridge lower ballast blocking and water intercepting device is mainly applied to the positions, on two sides of a transverse bridge of a railway bridge, of bridge holes through which underpass roads pass through the existing railway bridge, and comprises device bodies arranged on two sides of the transverse bridge of the railway bridge, wherein each device body mainly comprises a ballast blocking net structure, a triangular truss, a tray structure and a pipe column structure.
Ballast blocking net structure
The ballast blocking net structure extends along the bridge direction of the railway bridge and is connected with the triangular truss in a welding mode. The ballast blocking net structure consists of 3 types of components: the upright post 16, the second ballast net 17 and the anchor ear 18. A plurality of upright columns 16 are arranged at intervals along the bridge direction of the railway bridge, and the bottom end of each upright column 16 is connected with a triangular truss in a welding manner; a second ballast net 17 is arranged between two adjacent upright columns 16, and the upright columns 16 and the second ballast net 17 are connected through anchor bolts 18.
The upright column 16 plays a role in fixing and supporting in the ballast retaining net structure; the second ballast blocking net 17 prevents the railway ballast of the railway roadbed on the railway bridge from splashing and falling; the anchor ear 18 connects the upright post 16 and the second ballast net 17, so that the three parts form a whole.
(2) Triangular truss
The triangular truss extends along the bridge direction of the railway bridge, and is connected with the tray 1 in the tray structure in a bolt connection mode. The triangular truss consists of 4 types of members: chord members, triangular support frames, oblique web members 14 and sealing plates 15. The three chords extend along the bridge direction of the railway bridge; one of the three chords is used for connecting a ballast blocking net structure, the top chord 10 is arranged on the top chord, the rest two chords are used for connecting the tray 1, and the bottom chord 11 is arranged on the two chords. The triangular supports are arranged in the bridge direction at intervals along the railway bridge, each triangular support comprises two vertical web members 12 and a transverse bottom rod 13, the vertical web members 12 are connected with the top chord members 10 and the bottom chord members 11, and the transverse bottom rods 13 are connected with the two bottom chord members 11. A plurality of the oblique web members 14 are arranged on two side surfaces of the triangular truss and arranged at an angle with the chord members; one end of each diagonal web member 14 is connected to the top chord 10, and the other end is connected to the bottom chord 11, and the connection point of the diagonal web member 14 and the chords is the connection point of the triangular support frame and the chords. The sealing plate 15 is provided on an end face of each chord.
The chord members play a role in bearing the load of the ballast blocking structure and transferring the load to the steel tray structure; the vertical web members 12 and the oblique web members 14 transmit the load borne by the top chord 10 to the bottom chord 11; the sealing plate 15 seals the end of the chord member to prevent the steel pipe from being corroded by water. The vertical web members 12, the transverse bottom rods 13, the oblique web members 14 and the sealing plate 15 are all connected with the chord members in a welding mode.
(3) Tray structure
The tray structure consists of 2 types of components: a tray 1 and a drainage structure. The tray 1 extends along the bridge direction of the railway bridge, and two ends of the tray 1 are fixedly connected to the two groups of pipe column structures in a welding mode respectively; the bottom surface of the tray 1 is composed of a plurality of supporting beams 19 arranged along the bridge direction of the railway bridge at intervals and a first ballast blocking net 7 fixedly connected to the bottom surfaces of the supporting beams 19, wherein the supporting beams 19 can be H-shaped steel. The drainage structure is used for draining water on the railway bridge to the two transverse sides of the underpass and comprises a horizontal drainage pipe 8 and a vertical drainage pipe 9, the horizontal drainage pipe 8 extends along the railway bridge in the bridge direction, and the two ends of the horizontal drainage pipe 8 are respectively positioned on the two transverse sides of the underpass; the top end of the vertical drainage pipe 9 is positioned below a drainage hole of the railroad bridge, and the bottom end of the vertical drainage pipe is communicated with the horizontal drainage pipe 8.
The tray 1 bears three loads of an upper triangular truss, a vertical drainage pipe 9 and a horizontal drainage pipe 8 and transmits the loads to a pipe column structure; the first ballast blocking net 7 prevents the railway ballast of the railway roadbed on the railway bridge from splashing and falling; the drainage vertical pipe 9 drains the accumulated water on the railway bridge to the drainage horizontal pipe 8; the horizontal drainage pipe 8 drains the accumulated water drained into the horizontal drainage pipe to the two sides of the underpass road. First fender tiny fragments of stone, coal, etc. net 7, horizontal pipe 8 of drainage and drainage standpipe 9 all are connected with tray 1 through the mode of bolt.
(4) Tubular column structure
The tubular column structure is provided with two sets of, fixed connection respectively on the both sides wall of underpass road U groove I. Each set of tubular column structures consists of 4 types of components: pole setting 2, horizontal pole 3, chassis 5 and anchor reinforcing bar 6. Two upright stanchions 2 are arranged at intervals along the line direction of a underpass road, each upright stanchion 2 can be composed of a plurality of sections of upright stanchion monomers, and the adjacent upright stanchion monomers are connected with each other by adopting flanges 4; the top of pole setting 2 is connected with tray 1 through the welded mode, and the bottom of pole setting 2 is provided with chassis 5, fixedly connected with anchor reinforcing bar 6 on chassis 5, and anchor reinforcing bar 6 and the side wall fixed connection of underpass road U groove I are passed through to the bottom of pole setting 2. The cross rod 3 is arranged between the two vertical rods 2, and the cross rods 3 are arranged in plurality at intervals along the vertical direction.
The upright stanchion 2 transmits the load transmitted by the tray structure to the foundation and provides a supporting function for the whole device body; the cross rod 3 connects the two parallel upright rods 2 into a whole; the flange 4 is used for connecting the two sections of upright single bodies; the anchoring reinforcement 6 is mainly to increase the strength of the connection between the uprights 2 and the foundation.
In the utility model, each part of the ballast blocking net structure, the triangular truss, the tray structure and the pipe column structure is made of standard steel members, wherein the first ballast blocking net 7 and the second ballast blocking net 17 are hollow steel plates.
During design, firstly, the span of the device body is determined according to the width of the underpass; secondly, determining the span and the size of the triangular truss according to the span; then, determining the sizes of the other rod pieces, and cutting and manufacturing the rod pieces in a factory; and finally, assembling and constructing the pipe column structure, the tray structure, the triangular truss and the ballast blocking net structure in sequence.
The utility model can effectively solve the problems of drainage of the railway bridge and increase of the ballast blocking net in the underpass highway section on the premise of not transforming the existing railway bridge by utilizing the spaces at two sides of the railway bridge. Meanwhile, the scheme is a permanent structure, mainly comprises section steel and seamless steel pipes, and has the advantages of easiness in maintenance, short construction period, low manufacturing cost and the like.
Although the preferred embodiments of the present invention have been described above with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and those skilled in the art can make many modifications without departing from the spirit and scope of the present invention as defined in the appended claims.
Claims (10)
1. The utility model provides a railway bridge is fender tiny fragments of stone, coal, etc. and water cut-off device under railway bridge, fender tiny fragments of stone, coal, etc. and water cut-off device sets up and wears railway bridge department under highway engineering, is in including setting up the device body of railway bridge horizontal bridge to both sides, its characterized in that, the device body includes:
the two groups of pipe column structures are respectively and fixedly connected to the walls on the two sides of the U groove (I) of the underpass road;
the water drainage device comprises a tray structure and a water drainage structure, wherein the tray structure comprises a tray (1) and the water drainage structure, the tray (1) extends along the bridge direction of the railway bridge, and two ends of the tray (1) are fixedly connected to the two groups of pipe column structures respectively; the drainage structure drains water on the railway bridge to the two transverse sides of the underpass road;
the triangular truss extends along the bridge direction of the railway bridge, and is fixedly connected to the tray (1); and the number of the first and second groups,
and the ballast blocking net structure extends along the bridge direction of the railway bridge, and is fixedly connected to the triangular truss.
2. The railway bridge lower ballast and water interception device according to claim 1, wherein each group of pipe column structures comprises:
the two upright posts (2) are arranged at intervals along the direction of a underpass line, the top ends of the upright posts (2) are fixedly connected with the tray (1), and the bottom ends of the upright posts are fixedly connected with the side walls of the underpass U-shaped groove (I); and
and the cross rods (3) are arranged between the two vertical rods (2) and are arranged at intervals along the vertical direction.
3. The railway bridge lower ballast and water interception device according to claim 2, wherein each upright rod (2) is composed of multiple sections of upright rod monomers, and two adjacent upright rod monomers are connected with each other by flanges (4).
4. The railway bridge lower ballast and water intercepting device according to claim 2, wherein a chassis (5) is arranged at the bottom end of each upright rod (2), an anchoring steel bar (6) is fixedly connected to the chassis (5), and the upright rods (2) are fixedly connected with the side walls of the underpass U-shaped groove (I) through the anchoring steel bar (6).
5. The railway bridge lower ballast retaining and water intercepting device according to claim 1, wherein the bottom surface of the tray (1) is composed of a plurality of supporting cross beams (19) which are arranged along a railway bridge at intervals along the bridge direction and a first ballast retaining net (7) which is fixedly connected to the bottom surfaces of the supporting cross beams (19).
6. The railway bridge lower ballast and water interception device according to claim 1, wherein said drainage structure comprises:
the horizontal drainage pipe (8) extends along the bridge direction of the railway bridge, and two ends of the horizontal drainage pipe (8) are respectively positioned at two transverse sides of the underpass road; and the number of the first and second groups,
the top end of the vertical drainage pipe (9) is positioned below a drainage hole of the railway bridge, and the bottom end of the vertical drainage pipe (9) is communicated with the horizontal drainage pipe (8).
7. The railway bridge lower ballast and water interception device of claim 1, wherein said triangular truss comprises:
the three chords extend along the bridge direction of the railway bridge, one of the chords is used for connecting the ballast blocking net structure and is a top chord (10), and the other two chords are used for connecting the tray (1) and are bottom chords (11);
the triangular support frames are arranged along the bridge direction of the railway bridge at intervals, each triangular support frame comprises two vertical web members (12) and one transverse bottom rod (13), the vertical web members (12) are connected with the top chord members (10) and the bottom chord members (11), and the transverse bottom rods (13) are connected with the two bottom chord members (11); and the number of the first and second groups,
the oblique web members (14) are arranged on two side surfaces of the triangular truss and arranged at an angle with the chord members; one end of each oblique web member (14) is connected to the top chord member (10), the other end of each oblique web member is connected to the bottom chord member (11), and the connecting point of each oblique web member (14) and the corresponding chord member is the connecting point of the triangular support frame and the corresponding chord member.
8. The railway bridge lower ballast and water intercepting device according to claim 7, wherein sealing plates (15) are arranged on two end faces of each chord member.
9. The railway bridge lower ballast retaining and water intercepting device according to claim 1, wherein the ballast retaining mesh structure comprises:
the multiple upright columns (16) are arranged along the bridge direction of the railway bridge at intervals, and the bottom end of each upright column (16) is fixedly connected with the triangular truss; and the number of the first and second groups,
and the second ballast net (17) is arranged between every two adjacent upright columns (16).
10. The ballast retaining and water intercepting device for a railway bridge according to claim 9, wherein a hoop (18) is used to connect the column (16) and the second ballast retaining net (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120431941.6U CN215366840U (en) | 2021-02-26 | 2021-02-26 | Railway bridge lower blocking ballast and water intercepting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120431941.6U CN215366840U (en) | 2021-02-26 | 2021-02-26 | Railway bridge lower blocking ballast and water intercepting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215366840U true CN215366840U (en) | 2021-12-31 |
Family
ID=79623403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120431941.6U Expired - Fee Related CN215366840U (en) | 2021-02-26 | 2021-02-26 | Railway bridge lower blocking ballast and water intercepting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215366840U (en) |
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2021
- 2021-02-26 CN CN202120431941.6U patent/CN215366840U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211231 |