CN102444082A - Light shelf protection structure for over crossing electrified railway bridge - Google Patents
Light shelf protection structure for over crossing electrified railway bridge Download PDFInfo
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- CN102444082A CN102444082A CN2010105082279A CN201010508227A CN102444082A CN 102444082 A CN102444082 A CN 102444082A CN 2010105082279 A CN2010105082279 A CN 2010105082279A CN 201010508227 A CN201010508227 A CN 201010508227A CN 102444082 A CN102444082 A CN 102444082A
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Abstract
The invention discloses a light shelf protection structure for an over crossing electrified railway bridge. The light shelf protection structure comprises upright posts, a shelf arc-shaped lagging jack and a roof plate, wherein ceiling diagonal rods (4) and ceiling vertical rods (5) are arranged between the shelf arc-shaped lagging jack (2) and a ceiling chord member (6); an anti-electricity plate is arranged below the ceiling chord member (6); the shelf arc-shaped lagging jack (2) is supported by the upright posts (1); concrete foundations (3) are arranged below the upright posts (1); the shelf arc-shaped lagging jack (2) has an integral structure welded by using two steel pipes and threaded round steel; a support and a connecting plate are arranged between the upright posts (1) and the shelf arc-shaped lagging jack (2); the upright posts (1) are in welded joint with the support; and the connecting plate comprises an upper connecting plate and a lower connecting plate which are welded with the shelf arc-shaped lagging jack (2) and the support respectively and are connected with each other through a bolt. Due to the adoption of the light shelf protection structure, the safety of construction personnel can be protected effectively, and running safety of a railway can be protected; and the structure is light, and construction is quick.
Description
Technical field
The present invention relates to stride electric railway bridge light shed safeguard structure on a kind of.
Background technology
At present; Protect at the last girder structure that generally adopts shellfish thunder sheet or shaped steel to form of constructing in the electric railway of striding; This class formation is heavier, cost is higher, and the blockade rail track time is long, particularly constructs for the existing railway of large span; Its difficulty of construction is big, and the blockade rail track time is long especially obvious.
Summary of the invention
The technical problem that the present invention will solve is; Provide and stride electric railway bridge light shed safeguard structure on a kind of; This lightweight construction, installation and dismounting are convenient, the blockade rail track time is short; Overall cost is lower, with overcome safeguard structure that prior art exists from great, cost is high, block deficiencies such as the rail track time is long.
The technical solution adopted for the present invention to solve the technical problems is: it comprises column, ceiling arc bow member, roof panel; Ceiling brace, ceiling montant are set between ceiling arc bow member and ceiling chord member; Below the ceiling chord member, all-insulated plate is set, ceiling arc bow member is by upright supports.
Ceiling arc bow member adopts two steel pipes and screw thread round steel to be welded into overall structure.
Between column and ceiling arc bow member, be provided with and support and junction plate, column is welded to connect with being supported for; Junction plate contains upper junction plate and lower connecting plate, and upper and lower junction plate welds with supporting with ceiling arc bow member respectively, and upper and lower junction plate adopts bolt to connect.
Roof panel adopts the bamboo offset plate.
Support and adopt channel-section steel to be welded.
Top structure is made up of arc bow member, the HRB335 reinforcing bar montant of Φ 22, the HRB335 reinforcing bar brace of Φ 22, the common welded tube chord member of Q235A of φ 48mm * 3.3mm, all-insulated plate that the common welded tube weldering of Q235A of the thick bamboo offset plate of 10 mm roof panel, φ 48mm * 3.3mm is processed from top to bottom; Column adopts the common angle steel weldering of the Q235A of ∠ 90 * 90 * 8mm to process.Angle steel, welded tube, the lumps of wood, these materials of bamboo offset plate are in daily use in the building site, and all-insulated plate is customized in advance in producer.All-insulated plate can effectively be protected the constructor's safety in electric railway; When accidentally the object of falling being arranged, directly bear by bamboo offset plate roof panel, can avoid influencing railway operation safety.
The invention has the beneficial effects as follows, can effectively protect constructor's safety, can protect railway operation safety again, owing to adopted arched girder posture structure, make it to have accomplished that structure is light and handy, quick, the lower-cost effect of construction simultaneously.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Fig. 1 is a front view of the present invention.
Fig. 2 is a top structure drawing of the present invention.
Fig. 3 is that column is connected drawing with top structure.
Fig. 4 is a top structure lifting sketch map.
The specific embodiment
Embodiments of the invention: it comprises column 1, ceiling arc bow member 2, roof panel 13; Ceiling brace 4, ceiling montant 5 are set between ceiling arc bow member 2 and ceiling chord member 6; All-insulated plate 12 is set below ceiling chord member 6, and ceiling arc bow member 2 is supported by column 1.
Ceiling arc bow member 2 adopts two steel pipes 9 and screw thread round steel 10 to be welded into overall structure.
Roof panel 13 adopts the bamboo offset plate.
Supporting 11 adopts channel-section steel to be welded.
Work progress of the present invention is: the concrete foundation 3 of the column 1 of the frame safeguard structure of constructing earlier, the basis is beyond railway clearance.The basis is arranged along the railway both sides, center distance 4.0m.The steel plate of the pre-buried 0.6 * 0.6m of surface of base (thick 12mm) and four φ 20 high-strength bolts are convenient to connect with frame column 1.
Column 1 adopts the truss pattern to stablize guaranteeing.∠ 90 * 90 * 8mm angle steel is adopted in vertical rod, and brace and cross bar adopt ∠ 75 * 75 * 8mm angle steel.Column 1 is unified merogenesis at the reinforcing bar processing space and is made moulding, the long 6.0m of standard knot.Because of each column 1 highly differs (deformationization becomes everywhere), so the processing length of each column 1 all will be decided according to its corresponding basic absolute altitude.Column 1 adopts artificial crane on-site hoisting, the bolt of cooperating to connect.Behind column 1 rigging out, on column 1 top vertical channel-section steel 11 is installed one-sided all columns 1 are linked to be integral body.
Ceiling arc bow member 2 span 20.0m adopt two φ 50mm * 3mm steel pipes 9 to bend and form, and adopt 10 welding of Φ 22 screw thread round steel to be connected into integral body between steel pipe.Main couple spacing 2.0m amounts to 23 Pin.The ceiling brace 4 of main couple and ceiling montant 5 adopt Φ 22 screw-thread steels, and ceiling chord member 6 adopts φ 50mm * 3mm steel pipe, the heavy 440kg of the every Pin of main couple.Main couple two ends fulcrum is made up of 0.4 * 0.4m junction plate 7 of two thick 12mm, and 4 φ of two junction plate 7 usefulness, 20 high-strength bolts 8 are linked to be integral body.One group of per 2 Pin of main couple finish in reinforcement yard's assembly unit, connect with φ 48mm steel pipe between per 2, and φ 48mm steel pipe longitudinal pitch is 1.0 meters.Per 2 are linked to be an integral body on ground.Bracket is installed in the outside (the channel-section steel outside) at column 1 top, vertically lays plank and forms operation platform, and fence is set.Welding ∨ type guiding reinforcing bar draw-in groove (fixing every group of frame) on the channel-section steel on column 1 top.
The roof panel 13 of top structure adopts the bamboo offset plate assembled, the long 2.44m of bamboo offset plate, wide 1.2m, thick 12mm.On ground the lumps of wood and bamboo offset plate are mounted on the frame top before the frame lifting; The lumps of wood adopts bar dowel welded limiting card and iron wire to tie up; Fixation; By the lifting number of finishing in proper order,, handle according to artificial butt joint of interim skylight time in later stage behind the hoisted in position in order according to vertical skylight time lifting.After joint treatment finished, bamboo offset plate installation lumps of wood water-blocking groove was concentrated water is caused the ditch in the ceiling both sides.Preventing that aproll from dropping on the contact net high-voltage line causes security incident.
All-insulated plate 12 is installed in main couple bottom ceiling chord member 6 times, and the lumps of wood of 3 100 * 100mm is installed at every all-insulated plate 12 behind equidistance earlier before installing, and the all-insulated plate 12 and the lumps of wood firmly are connected into integral body.Before the lifting of every group of truss the all-insulated plate 12 and the lumps of wood are fixed on regulation zone, truss bottom and truss hoisted in position together.
Top structure adopts the 50t crane lifting, adopts four-point lifting during lifting.One group of truss is hung in examination on the level land in advance; 2.7 tons of gross weights, angle 53.3 degree, arm stretches out 40.2 meters; 24 meters at crane centre distance weight center; Maximum lifting is 4 tons, and (every group of truss contain the bamboo offset plate lumps of wood etc. nearly weigh 2.70 tons) satisfies that truss 6# ~ 7# group least favorable lifting in difficult location requires (20 meters at crane centre distance weight center heavily is 2.7 tons).After first group of truss puts in place, the lower connecting plate of truss fulcrum and longitudinal bracing 11 welding are connected into one, both sides adopt tripod to fix.After remaining truss puts in place, remove and to be connected into one externally, also want in time itself and adjacent truss vertically are connected into integral body with φ 48mm * 3mm steel pipe with longitudinal bracing 11 welding.
After No. 1 bridge construction of Wuhan-Guangzhou passenger-dedicated line sea otter mouth finishes, only need remove connecting bolt when removing the frame ceiling after, behind the welded limiting steel plate of Pin frame two ends, stick up top beam body coverage synchronously with crowbar, hang out with mobile crane.Utilize the suspension rod that is embedded at the bottom of the beam that frame protection is prevented to topple in the process of dilatory frame.
Claims (5)
1. stride electric railway bridge light shed safeguard structure on one kind; It is characterized in that: it comprises column (1), ceiling arc bow member (2), roof panel (13); Ceiling brace (4), ceiling montant (5) are set between ceiling arc bow member (2) and ceiling chord member (6); All-insulated plate (12) is set below ceiling chord member (6), and ceiling arc bow member (2) is supported by column (1), is concrete foundation (3) below the column (1).
2. stride electric railway bridge light shed safeguard structure on according to claim 1, it is characterized in that: ceiling arc bow member (2) adopts two steel pipes (9) and screw thread round steel (10) to be welded into overall structure.
3. stride electric railway bridge light shed safeguard structure on according to claim 1; It is characterized in that: support (11) and junction plate (7) are set between column (1) and ceiling arc bow member (2), and column (1) and support (11) are for being welded to connect; Junction plate (7) contains upper junction plate and lower connecting plate, and upper and lower junction plate welds with ceiling arc bow member (2) and support (11) respectively, and upper and lower junction plate adopts bolt (8) to connect.
4. stride electric railway bridge light shed safeguard structure on according to claim 1, it is characterized in that: roof panel (13) adopts the bamboo offset plate.
5. stride electric railway bridge light shed safeguard structure on according to claim 1, it is characterized in that: support (11) and adopt channel-section steel to be welded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105082279A CN102444082A (en) | 2010-10-15 | 2010-10-15 | Light shelf protection structure for over crossing electrified railway bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105082279A CN102444082A (en) | 2010-10-15 | 2010-10-15 | Light shelf protection structure for over crossing electrified railway bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102444082A true CN102444082A (en) | 2012-05-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105082279A Pending CN102444082A (en) | 2010-10-15 | 2010-10-15 | Light shelf protection structure for over crossing electrified railway bridge |
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| Country | Link |
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| CN (1) | CN102444082A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109025058A (en) * | 2018-08-14 | 2018-12-18 | 李家文 | Main girder frame is used at the top of a kind of workshop |
| CN110158988A (en) * | 2019-06-28 | 2019-08-23 | 中冶建工集团有限公司 | A kind of building protection steel structure support and its quick method for dismounting |
| CN110904867A (en) * | 2019-12-12 | 2020-03-24 | 中铁二十局集团第四工程有限公司 | Construction method for dismantling upper-span existing line arch bridge |
| CN111364366A (en) * | 2020-03-24 | 2020-07-03 | 浙江大学宁波理工学院 | Hinged protective shed frame for construction of viaduct spanning railway and erection method |
| CN113323147A (en) * | 2021-06-04 | 2021-08-31 | 广州市盾建建设有限公司 | Construction method for replacing traditional tramcar protection shed by first-layer main body structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2732521A1 (en) * | 1977-07-19 | 1979-02-01 | Steag Ag | Steel bridge for pipe duct over electric railway - has insulated protective cage linked to track via connecting duct made of wire or metal mesh |
| FR2703703A1 (en) * | 1993-04-06 | 1994-10-14 | Sarl Leduc | Protective device for the construction of bridges over railway tracks electrified by means of catenaries |
| CN201082948Y (en) * | 2007-07-17 | 2008-07-09 | 贺东贤 | Over electrified railway overpass construction protecting canopy |
| CN201221206Y (en) * | 2008-07-02 | 2009-04-15 | 中铁四局集团第五工程有限公司 | Movable anti-electricity protection shed rack |
| CN201883351U (en) * | 2010-10-15 | 2011-06-29 | 中铁五局（集团）有限公司 | Light shed frame protective structure over electrified railway bridge |
-
2010
- 2010-10-15 CN CN2010105082279A patent/CN102444082A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2732521A1 (en) * | 1977-07-19 | 1979-02-01 | Steag Ag | Steel bridge for pipe duct over electric railway - has insulated protective cage linked to track via connecting duct made of wire or metal mesh |
| FR2703703A1 (en) * | 1993-04-06 | 1994-10-14 | Sarl Leduc | Protective device for the construction of bridges over railway tracks electrified by means of catenaries |
| CN201082948Y (en) * | 2007-07-17 | 2008-07-09 | 贺东贤 | Over electrified railway overpass construction protecting canopy |
| CN201221206Y (en) * | 2008-07-02 | 2009-04-15 | 中铁四局集团第五工程有限公司 | Movable anti-electricity protection shed rack |
| CN201883351U (en) * | 2010-10-15 | 2011-06-29 | 中铁五局（集团）有限公司 | Light shed frame protective structure over electrified railway bridge |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109025058A (en) * | 2018-08-14 | 2018-12-18 | 李家文 | Main girder frame is used at the top of a kind of workshop |
| CN109025058B (en) * | 2018-08-14 | 2020-12-15 | 苏州果汁网信息科技有限公司 | Main beam frame for top of factory building |
| CN110158988A (en) * | 2019-06-28 | 2019-08-23 | 中冶建工集团有限公司 | A kind of building protection steel structure support and its quick method for dismounting |
| CN110904867A (en) * | 2019-12-12 | 2020-03-24 | 中铁二十局集团第四工程有限公司 | Construction method for dismantling upper-span existing line arch bridge |
| CN110904867B (en) * | 2019-12-12 | 2021-09-03 | 中铁二十局集团第四工程有限公司 | Construction method for dismantling upper-span existing line arch bridge |
| CN111364366A (en) * | 2020-03-24 | 2020-07-03 | 浙江大学宁波理工学院 | Hinged protective shed frame for construction of viaduct spanning railway and erection method |
| CN111364366B (en) * | 2020-03-24 | 2021-10-22 | 浙江大学宁波理工学院 | Hinged protective shed frame for construction of viaduct spanning railway and erection method |
| CN113323147A (en) * | 2021-06-04 | 2021-08-31 | 广州市盾建建设有限公司 | Construction method for replacing traditional tramcar protection shed by first-layer main body structure |
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Application publication date: 20120509 |