CN208415124U - A kind of railroad bridge protecting canopy frame structure - Google Patents
A kind of railroad bridge protecting canopy frame structure Download PDFInfo
- Publication number
- CN208415124U CN208415124U CN201820792572.1U CN201820792572U CN208415124U CN 208415124 U CN208415124 U CN 208415124U CN 201820792572 U CN201820792572 U CN 201820792572U CN 208415124 U CN208415124 U CN 208415124U
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- steel pipe
- pipe post
- casing
- concrete filled
- steel
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 149
- 239000010959 steel Substances 0.000 claims abstract description 149
- 230000001681 protective effect Effects 0.000 claims abstract description 29
- 244000261422 Lysimachia clethroides Species 0.000 claims description 13
- 230000017105 transposition Effects 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 22
- 238000000034 method Methods 0.000 abstract description 4
- 239000011435 rock Substances 0.000 description 3
- 238000005422 blasting Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model relates to a kind of railroad bridge protecting canopy frame structure, setting concrete filled steel tube column and the flexible hangar tunnel of arch is set above both longitudinally disposed two column pile foundation in the stratum of wired bridge structure two sides outside tunnel portal, pile foundation；It is provided with longitudinal protective net stull on concrete filled steel tube column, is provided with protective net on the concrete filled steel tube column above protective net stull；Vertical pushing tow component is provided on concrete filled steel tube column.When construction, the pushing tow step by step of upper steel pipe post is completed by the fixed upper casing of vertical pushing tow component pushing tow, thus the construction of complete steel pipe post；From steel pipe post bottom, the pump concrete in column and diagonal brace, completion are finally constructed from bottom to top.The utility model carrys out construction protection frame on existing bridge two sides setting frame basis, is not related with existing bridge structure, using pushing method construction steel pipe support, construction method is rationally effective, avoids the limitation that mountain area heavy lift is difficult to reach.
Description
Technical field
The utility model belongs to railroad construction technical field, and in particular to a kind of railroad bridge protecting canopy frame structure.
Background technique
With the high speed development of China railways engineering and deepening continuously for development of the West Regions, railway is needed using " tunnel+bridge+tunnel "
Mode pass through mountain area valley, tunnel portal is often in that topography is dangerously steep, the steep location of height of Weathering Zones of Igneous Rock, quick-fried along with constructing
The interference such as broken, mechanical shock has the generation of rockfall disaster, according to incompletely statistics, china railway route falling rocks disaster often
Point more than 2600, the railway length about 300km being affected by it, wherein most belongs to bridge section between tunnel, bridge one between tunnel
Denier is destroyed, and the safe operation of train is not only influenced, or even will cause serious accident.Therefore, it is necessary to study one kind both
It can guarantee existing railway safe operation, and the railroad bridge protecting canopy frame structure that can effectively implement in railway " skylight " is put.
Summary of the invention
The purpose of the utility model is to provide a kind of railroad bridge protecting canopy frame structures, prevent rockfall above tunnel face
It pounds to jeopardizing traffic safety between tunnel on bridge floor, and this protection hangar tunnel is enable effectively to implement.
The technology employed by the present utility model is
A kind of railroad bridge protecting canopy frame structure, it is characterised in that:
Steel is arranged above pile foundation in both longitudinally disposed two column pile foundation in the stratum of wired bridge structure two sides outside the tunnel portal
Pipe concrete column, concrete filled steel tube column capital are arranged steel stringer, the flexible canopy of arch are arranged between the steel stringer back of two sides
Hole；
Concrete filled steel tube column, which is located at both height of wired bridge structure bridge floor, is provided with longitudinal protective net stull, prevents
Protective net is provided on concrete filled steel tube column above protective net stull；
Vertical pushing tow component is provided on concrete filled steel tube column.
Concrete filled steel tube column includes lower steel pipe post and upper steel pipe post from bottom to top, and lower steel pipe post is inserted into from lower end
Upper steel pipe post is provided with vertical pushing tow component between lower steel pipe post and upper steel pipe post.
Vertical pushing tow component includes the fixed upper casing connecting with upper steel pipe post bottom and connect with lower steel pipe post
Packaged type setting of casing, fixed upper sleeve outer wall and packaged type pipe outer wall of trapping is correspondingly arranged on casing otic placode in multiple groups
With setting of casing otic placode, jack system is provided between upper casing otic placode and setting of casing otic placode.
Bolt hole is provided on lower steel pipe post and upper steel pipe post, on fixed upper casing and packaged type setting of casing
It is correspondingly arranged on bolt hole；
At upper and lower steel pipe post transposition section, upper steel pipe post is bolted with fixed upper casing, lower steel pipe post
It is bolted with packaged type setting of casing.
It is provided with diagonal brace between concrete filled steel tube column and steel stringer, is set between concrete filled steel tube column and protective net stull
It is equipped with protective net diagonal brace.
It is horizontally arranged with multiple tracks gooseneck between the steel stringer of two sides, is provided with horizontal steel deck-plate above gooseneck.
The steel stringer side protective net hook for hanging attached protective net is provided on the outside of steel stringer.
Gooseneck top surface is fixed in the flexible hangar tunnel bottom end being arranged between the steel stringer back of two sides.
The utility model has the advantage that
1, carry out construction protection frame on existing bridge two sides setting frame basis, be not related with existing bridge structure, and
It puts and constructs at railway " skylight ", can guarantee railway normal operation.
2, using pushing method construction steel pipe support, construction method is rationally effective, avoids mountain area heavy lift and is difficult to
The limitation of arrival.
3, protection hangar tunnel use flexible hangar tunnel and the double protection system of steel deck-plate, can effective protection falling rocks, guarantee it is existing
Safety of railway operation.
Detailed description of the invention
Fig. 1 is protecting canopy frame and existing railway relationship elevation.
Fig. 2 is protecting canopy frame and existing railway relations I-I cross-sectional view.
Fig. 3 is steel pipe frame initial alignment structural relation figure.
Fig. 4 is lower steel pipe post drawing.
Fig. 5 is upper steel pipe post drawing.
Fig. 6 is steel pipe frame pushing tow rear structural relation figure in place.
Fig. 7 is to have pumped steel pipe frame final structure relational graph after concrete.
In figure, 1, pile foundation, 2, lower steel pipe post, 3, upper steel pipe post, 4, diagonal brace, 5, steel stringer, 6, gooseneck, 7, steel lid
Plate, 8, flexible hangar tunnel, 9, protective net stull, 10, protective net diagonal brace, 11, protective net, 12, upper and lower steel pipe post transposition section, 13,
Tunnel portal, 14, both wired bridge structures, 15, tunnel portal line of slope, 16, steel stringer side protective net hook, 17, existing
Line contacts web frame, 18, packaged type setting of casing, 19, upper casing, 20, jack system, 21, setting of casing otic placode, 22, upper set
Pipe otic placode, 23, lower steel pipe post bolt hole, 24, upper steel pipe post bolt hole, 25, setting of casing bolt hole, 26, existing bridge top
Upper thread.
Specific embodiment
The utility model is described in detail With reference to embodiment.
The utility model relates to a kind of railroad bridge protecting canopy frame structure, in both wired bridge structure 14 outside tunnel portal 13
Concrete filled steel tube column, concrete filled steel tube column capital are arranged above pile foundation 1 for longitudinally disposed two column pile foundation 1 in the stratum of two sides
Steel stringer 5 is set, the flexible hangar tunnel 8 of arch is set between 5 back of two sides steel stringer.Concrete filled steel tube column is located at both wired bridges
Longitudinal protective net stull 9 is provided at the height of 14 bridge floor of girder construction, on the concrete filled steel tube column of 9 top of protective net stull
It is provided with protective net 11.
Vertical pushing tow component is provided on concrete filled steel tube column.Concrete filled steel tube column includes that lower steel pipe is vertical from bottom to top
Column 2 and upper steel pipe post 3, lower steel pipe post 2 are inserted into upper steel pipe post 3 from lower end, lower steel pipe post 2 and upper steel pipe post 3 it
Between be provided with vertical pushing tow component.
Vertical pushing tow component include the fixed upper casing 18 being connect with upper 3 bottom of steel pipe post and with lower steel pipe post 2
The packaged type setting of casing 19 of connection, fixed upper 18 outer wall of casing and 19 outer wall of packaged type setting of casing are correspondingly arranged on multiple groups
Upper casing otic placode 21 and setting of casing otic placode 22 are provided with jack system 20 between upper casing otic placode 21 and setting of casing otic placode 22.
It is provided with bolt hole on lower steel pipe post 2 and upper steel pipe post 3, it is right on fixed upper casing 18 and packaged type setting of casing 19
Bolt hole should be provided with.At upper and lower steel pipe post transposition section, upper steel pipe post 3 is bolted with fixed upper casing 18,
Lower steel pipe post 2 is bolted with packaged type setting of casing 19.
Be provided with diagonal brace 4 between concrete filled steel tube column and steel stringer 5, concrete filled steel tube column and protective net stull 9 it
Between be provided with protective net diagonal brace 10.
It is horizontally arranged with multiple tracks gooseneck 6 between two sides steel stringer 5, horizontal steel deck-plate 7 is provided with above gooseneck 6.
6 top surface of gooseneck is fixed in 8 bottom end of flexible hangar tunnel being arranged between 5 back of two sides steel stringer.
The steel stringer side protective net hook 16 for hanging attached protective net 11 is provided on the outside of steel stringer 5.
The construction method of above-mentioned railroad bridge protecting canopy frame structure is by the fixed upper casing of 20 pushing tow of jack system
18 complete the construction of concrete filled steel tube column.Specific construction step are as follows:
1, pile foundation construction
Smooth location forbids blasting, is drilled to aperture using small-bore water mill, is pounded the construction of macropore with pneumatic pick again
Scheme.When pile foundation construction, pre-buried stake top pre-embedded bolt and steel plate are paid attention to.
2, steel pipe column component is manufactured
Upper and lower steel pipe post component is manufactured in factory, wherein upper 3 diameter of steel pipe post should be greater than lower 2 diameter of steel pipe post
6cm or so, 5 segment of pre-manufactured steel stringer and gooseneck 6 and 7 segment of steel deck-plate, while preparing the incremental launching constructions such as jack machinery.
3, steel pipe frame incremental launching construction
Steel pipe post segment is transported under bridge after the completion of being prefabricated in the factory by design requirement, and place is completed assembled under bridge, will
Diagonal brace 4 and upper steel pipe post 3 weld, and diagonal brace 4 and upper steel pipe post 3 use mode of communicating so as to pump concrete in diagonal brace 4, and
5 segment of steel stringer is bolted in upper steel pipe post 3.
Firstly, upper steel pipe post 3 is laid flat, lower steel pipe post 2 is filled in steel pipe post 3 and is temporarily connected using bolt,
Using truck crane by steel pipe post vertical-lift, lower steel pipe post 2 is connect with pile foundation 1 by bolt；
Then, fixed upper casing 18 is installed in upper 3 bottom end of steel pipe post, packaged type is installed on lower 2 top of steel pipe post
Setting of casing 19, jack system 20 is installed in two sides between upper and lower casing, prepares pushing tow, steel pipe post 3 on pushing tow, extract jack with
Lower pillar stand connection bolt and upper pillar stand are fixed temporarily bolt, steel pipe post 3 on the upward pushing tow of jack, until jack maximum row
Cheng Hou plugs upper pillar stand and is fixed temporarily bolt, and jack oil return moves up, and plugs jack with lower pillar stand and temporarily connect bolt, quasi-
The pushing tow of standby next stroke, the above procedure that moves in circles until upper 3 pushing tow of steel pipe post in place, upper steel pipe post and lower steel pipe
Column intersects length and is no less than 2m.In work progress, when upper steel pipe post 3 exceeds bridge floor, it should be carried out using Window time
Pushing tow.After the vertical jacking of steel pipe is in place, from steel pipe bottom from bottom to top toward steel pipe post and pump concrete in diagonal brace, steel pipe is completed
Frame construction.
4, crossbeam and steel deck-plate construction
After the completion of steel pipe frame construction, it is bolted steel stringer 5, completes gooseneck 6 and the welding of steel deck-plate 7 in assembled place
Afterwards, in Window time, gooseneck 6 and steel deck-plate 7 are lifted to steel pipe frame using truck crane, using high-strength bolt by its
It is connected firmly with steel stringer 5.
5, flexible hangar tunnel 8 above steel deck-plate 7 is installed in Window time, seating side protective net 11 completes construction.
The content of the utility model is not limited to cited by embodiment, and those of ordinary skill in the art are practical new by reading this
Type specification and to any equivalent transformation that technical solutions of the utility model are taken, be the claim institute of the utility model
Cover.
Claims (8)
1. a kind of railroad bridge protecting canopy frame structure, it is characterised in that:
In tunnel portal (13) both longitudinally disposed two column pile foundation (1) in the stratum of wired bridge structure (14) two sides outside, pile foundation (1)
Concrete filled steel tube column is arranged in top, and steel stringer (5) are arranged in concrete filled steel tube column capital, between two sides steel stringer (5) back
The flexible hangar tunnel (8) of arch is set；
Concrete filled steel tube column, which is located at both height of wired bridge structure (14) bridge floor, is provided with longitudinal protective net stull
(9), protective net (11) are provided on the concrete filled steel tube column above protective net stull (9)；
Vertical pushing tow component is provided on concrete filled steel tube column.
2. a kind of railroad bridge protecting canopy frame structure according to claim 1, it is characterised in that:
Concrete filled steel tube column includes lower steel pipe post (2) and upper steel pipe post (3) from bottom to top, and lower steel pipe post (2) is under
Upper steel pipe post (3) are inserted at end, and vertical pushing tow component is provided between lower steel pipe post (2) and upper steel pipe post (3).
3. a kind of railroad bridge protecting canopy frame structure according to claim 2, it is characterised in that:
Vertical pushing tow component include the fixed upper casing (18) being connect with upper steel pipe post (3) bottom and with lower steel pipe post
(2) the packaged type setting of casing (19) connected, fixed upper casing (18) outer wall and packaged type setting of casing (19) outer wall are corresponding
It is provided with casing otic placode (21) and setting of casing otic placode (22) in multiple groups, is set between upper casing otic placode (21) and setting of casing otic placode (22)
It is equipped with jack system (20).
4. a kind of railroad bridge protecting canopy frame structure according to claim 3, it is characterised in that:
Bolt hole is provided on lower steel pipe post (2) and upper steel pipe post (3), under fixed upper casing (18) and packaged type
Casing is correspondingly arranged on bolt hole on (19)；
At upper and lower steel pipe post transposition section, upper steel pipe post (3) is bolted with fixed upper casing (18), and lower steel pipe is vertical
Column (2) is bolted with packaged type setting of casing (19).
5. a kind of railroad bridge protecting canopy frame structure according to claim 1, it is characterised in that:
It is provided between concrete filled steel tube column and steel stringer (5) diagonal brace (4), concrete filled steel tube column and protective net stull (9)
Between be provided with protective net diagonal brace (10).
6. a kind of railroad bridge protecting canopy frame structure according to claim 1, it is characterised in that:
It is horizontally arranged between two sides steel stringer (5) multiple tracks gooseneck (6), is provided with horizontal steel deck-plate above gooseneck (6)
(7).
7. a kind of railroad bridge protecting canopy frame structure according to claim 1, it is characterised in that:
The steel stringer side protective net hook (16) for hanging attached protective net (11) is provided on the outside of steel stringer (5).
8. a kind of railroad bridge protecting canopy frame structure according to claim 6, it is characterised in that:
Gooseneck (6) top surface is fixed in flexible hangar tunnel (8) bottom end being arranged between two sides steel stringer (5) back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820792572.1U CN208415124U (en) | 2018-05-25 | 2018-05-25 | A kind of railroad bridge protecting canopy frame structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820792572.1U CN208415124U (en) | 2018-05-25 | 2018-05-25 | A kind of railroad bridge protecting canopy frame structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208415124U true CN208415124U (en) | 2019-01-22 |
Family
ID=65113198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820792572.1U Active CN208415124U (en) | 2018-05-25 | 2018-05-25 | A kind of railroad bridge protecting canopy frame structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208415124U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108517795A (en) * | 2018-05-25 | 2018-09-11 | 中铁第勘察设计院集团有限公司 | Railroad bridge protecting canopy frame structure and its construction method |
| CN112459808A (en) * | 2020-12-21 | 2021-03-09 | 中铁第一勘察设计院集团有限公司 | Protective shed frame |
| CN112943293A (en) * | 2021-04-20 | 2021-06-11 | 中铁三局集团有限公司 | Pi-shaped protective supporting structure for preventing dangerous stone at tunnel portal and installation method thereof |
-
2018
- 2018-05-25 CN CN201820792572.1U patent/CN208415124U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108517795A (en) * | 2018-05-25 | 2018-09-11 | 中铁第勘察设计院集团有限公司 | Railroad bridge protecting canopy frame structure and its construction method |
| CN112459808A (en) * | 2020-12-21 | 2021-03-09 | 中铁第一勘察设计院集团有限公司 | Protective shed frame |
| CN112459808B (en) * | 2020-12-21 | 2023-08-11 | 中铁第一勘察设计院集团有限公司 | Protective shed frame |
| CN112943293A (en) * | 2021-04-20 | 2021-06-11 | 中铁三局集团有限公司 | Pi-shaped protective supporting structure for preventing dangerous stone at tunnel portal and installation method thereof |
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