CN206902556U - It is a kind of to combine protector across both wired bridge constructions - Google Patents
It is a kind of to combine protector across both wired bridge constructions Download PDFInfo
- Publication number
- CN206902556U CN206902556U CN201720593750.3U CN201720593750U CN206902556U CN 206902556 U CN206902556 U CN 206902556U CN 201720593750 U CN201720593750 U CN 201720593750U CN 206902556 U CN206902556 U CN 206902556U
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- platform
- longeron
- fixed
- protectors
- fixedly connected
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Abstract
The utility model discloses one kind across both wired bridge construction combination protectors, including be erected on both on wired bridge, below newly building bridge and fixed landing protection canopy corresponding with the construction location of newly building bridge, the newly building bridge bottom is fixed with track girder along its construction direction, is linked with mobile protective platform corresponding with the construction location of newly building bridge on the track girder.Combination protector designed by the utility model breaches the construction limitation of train non-operation phase, makes the structure construction liberalization of newly building bridge, and important leverage is provided for the duration, and obvious using the protection effect of this combination protector, and safety coefficient is high.
Description
Technical field
Civil engineering technical field of bridge construction is the utility model is related to, in particular to one kind across both wired bridge construction groups
Close protector.
Background technology
With quickly propelling for national basis Facilities Construction, to improve traffic transportation efficiency, traffic energy consumption is reduced, reduces ring
Border is polluted, and modern three-dimensional integrated transportation system is slowly carried out.While carrying out grade-separated traffic, newly building bridge need to be crossed over existing
Line bridge, under the conditions of both wired bridge normal operations are ensured, there is certain risk for newly building bridge construction.Applied according to both wired
Work Security Administration, newly building bridge is across both wired construction periods, it is necessary to both wired bridges are pacified using effective measures
Full protection.Traditional safety device is from fixed landing protection canopy or movable landing protection canopy, in newly building bridge height
When degree is higher, because horizontal initial rate and wind load act on during falling object from high altitude, pendant object plane is larger, is unfavorable for the safety of both wired bridges
Operation, to eliminate this risk factors, what landing protection canopy needed, which sets up, need to cover pendant object plane, cause protection canopy cost uneconomical,
And when across construction of railways, the on-off times of contact net need to be increased, substantially prolongs the construction period, add construction cost.
Utility model content
The purpose of this utility model seeks to the deficiency for solving above-mentioned background technology, there is provided a kind of simple in construction, protection canopy
Short construction period and it can guarantee that a kind of across both wired bridge construction combination protectors of newly building bridge construction safety.
In order to achieve this, combining protector across both wired bridge constructions designed by the utility model, including set up
In both on wired bridge, below newly building bridge and fixed landing protection canopy corresponding with the construction location of newly building bridge,
The newly building bridge bottom is fixed with track girder along its construction direction, construction position with newly building bridge is linked with the track girder
Put corresponding mobile protective platform.
Specifically, the mobile protective platform includes protective platform and is fixed at the top of protective platform, hang on track
Platform walking mechanism on beam.
More specifically, the protective platform is truss platform, the both sides of the truss platform be respectively equipped with two with it is newly-built
The parallel longeron of bridge axes, suspension hanging beam is connected with along the axis direction interval of longeron between the longeron of the same side, institute
The bottom for stating platform walking mechanism is fixed in suspension hanging beam.
Specifically, it is connected with multigroup and longeron along the axis direction interval of longeron between the longeron of the truss platform both sides
Vertical crossbeam, every group of crossbeam include two entablatures being fixedly connected at the top of the side girder of truss platform two and positioned at two upper horizontal strokes
Below beam, the sill of the side girder bottom of truss platform two is fixedly connected with, between two entablatures and entablature and sill
Between be fixedly connected with web member.
Preferably, the entablature and sill include at least two main chords being located along the same line, positioned at same
It is fixedly connected between adjacent two main chords on one straight line by being arranged at the flange of main chord end.
Further, the longeron includes at least two Bailey beams on same axis, adjacent two Bailey beams
Stitching portion is fixed with joint buttress brace, between the top boom and lower boom of the Bailey beam and between adjacent two Bailey beams
Wind brace bar is fixedly connected with along the axis direction interval of Bailey beam.
Further, the lower boom of the longeron is provided with distribution beam, is welded with the top boom of the longeron
Steel wire, the steel wire upper berth are equipped with bamboo slab rubber, and the top surface of the truss platform is circumferentially with guardrail, the longeron and track
Fixed plate is welded between beam.
Specifically, the platform walking mechanism include two with track girder cooperation motor-driven carriers, the motor-driven carrier it
Between be fixedly connected with dolly connecting rod, the lower section of the motor-driven carrier is provided with the mobile holder being fixed in suspension hanging beam, the row
Walk to be fixedly connected with suspension suspension rod between support and motor-driven carrier.
More specifically, the fixed landing protection canopy includes main support column and the support purlin being fixed at the top of main support column
Frame, the fixed landing protection canopy are provided with auxiliary support mechanism, the auxiliary support mechanism bag in its physical features highest side
At least two Auxiliary support posts parallel with main support column are included, between the Auxiliary support post and main support column and Auxiliary support
Lateral bar has been fixedly connected between post.
The beneficial effects of the utility model are：1st, safety：Knockdown protector is to be set across both wired bridge constructions
Double protection, the construction safety of newly building bridge has been ensured well, has reduced influence to both wired bridge operations, will be existing
The influence that line bridge is constructed to newly building bridge is preferably minimized.2nd, it is reliable：By landing protection canopy sidepiece auxiliary support mechanism, carry
High both resistance to overturning of wired bridge under the effect of vibration of operation phase, and mobile protective platform is constructed with newly building bridge
Position is synchronous, fixes the position of mobile protective platform temporarily with fixed plate by the system that is automatically locked of motor-driven carrier, will move
Dynamic formula protective platform is fixed under construction location, avoids the platform under wind action from moving.3rd, it is economical：Fall with setting up large span
Ground protection canopy is compared, and increases beam downward moving protective platform, the pretective acreage of fixed landing protection canopy is reduced, so as to reduce
The closing number of contact net, mobile protective platform structure is slim and graceful, material less investment, effectively saved construction cost.4 sides
Just：The installation of three sections of mobile protective platform point, quantities is small, and it is low that peace tears difficulty open.
Brief description of the drawings
Fig. 1 is the front view that mobile protective platform is hung on track girder in the utility model；
Fig. 2 is the front view of fixed landing protection canopy in the utility model；
Fig. 3 is the top view of mobile protective platform in the utility model；
Fig. 4 is that mobile protective platform is hung on the side view below newly building bridge in the utility model；
Fig. 5 is the structural front view that longeron is connected with crossbeam in the utility model；
Fig. 6 is the connection front view of platform walking mechanism and longeron in the utility model；
Fig. 7 is the connection diagram of the utility model middle cross beam and web member；
Fig. 8 is the front view of the fixed landing protection canopy designed by the utility model；
Fig. 9 is the top view of the fixed landing protection canopy designed by the utility model；
Figure 10 is the right view of the fixed landing protection canopy designed by the utility model；
Wherein, 1-newly building bridge, 2-fixed landing protection canopy (2.1-main support column, 2.2-sub-truss,
2.3-Auxiliary support post, 2.4-lateral bar), 3-track girder, 4-mobile protective platform (4.1-truss platform, 4.2-
Longeron, 4.3-suspension hanging beam, 4.4-entablature, 4.5-sill, 4.6-web member), 5-main chord, 6-flange, 7-shellfish
Lei Liang, 8-joint buttress brace, 9-wind brace bar, 10-distribution beam, 11-guardrail, 12-fixed plate, 13-motor-driven carrier, 14-
Dolly connecting rod, 15-mobile holder, 16-suspension suspension rod, 17-highway, 18-railway, 19-contact net.
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in Fig. 1-7 across both wired bridge constructions combination protector, including be erected on both on wired bridge, position
In the lower section of newly building bridge 1 and fixed landing protection canopy 2 corresponding with the construction location of newly building bridge 1, the bottom edge of newly building bridge 1
Its construction direction is fixed with track girder 3, is linked with mobile protective corresponding with the construction location of newly building bridge 1 on track girder 3
Platform 4.
The platform that mobile protective platform 4 includes protective platform and is fixed at the top of protective platform, hang on track girder 3
Walking mechanism.Protective platform is truss platform 4.1, and the both sides of truss platform 4.1 are respectively equipped with two and put down with the axis of newly building bridge 1
Capable longeron 4.2, suspension hanging beam 4.3 is connected with along the axis direction interval of longeron 4.2 between the longeron 4.2 of the same side,
The bottom of platform walking mechanism is fixed in suspension hanging beam 4.3.Along longeron 4.2 between the longeron 4.2 of the both sides of truss platform 4.1
Axis direction interval is connected with multigroup crossbeam vertical with longeron 4.2, and every group of crossbeam is fixedly connected with truss platform 4.1 including two
The entablature 4.4 at the top of two side girder 4.2 with positioned at two lower sections of entablatures 4.4, be fixedly connected with 4.1 liang of side girders of truss platform
The sill 4.5 of 4.2 bottoms, it has been fixedly connected between two entablatures 4.4 and between entablature 4.4 and sill 4.5
Web member 4.6.Entablature 4.4 and sill 4.5 include at least two main chords 5 being located along the same line, positioned at always
It is fixedly connected between adjacent two main chords 5 on line by being arranged at the flange 6 of the end of main chord 5.Longeron 4.2 is included at least
Two Bailey beams 7 on same axis, the stitching portion of adjacent two Bailey beams 7 is fixed with joint buttress brace 8, Bailey beam 7
Top boom and lower boom between and adjacent two Bailey beams 7 between be fixedly connected along the axis direction interval of Bailey beam 7
There is wind brace bar 9.The lower boom of longeron 4.2 is provided with distribution beam 10, and steel wire, steel are welded with the top boom of longeron 4.2
Silk screen upper berth is equipped with bamboo slab rubber, and the top surface of truss platform 4.1 is circumferentially with guardrail 11, is welded between longeron 4.2 and track girder 3 solid
Surely there is fixed plate 12.
Platform walking mechanism includes two motor-driven carriers 13 coordinated with track girder 3, is fixedly connected between motor-driven carrier 13
Have a dolly connecting rod 14, the lower section of motor-driven carrier 13 is provided with the mobile holder 15 being fixed in suspension hanging beam 4.3, mobile holder 15 with
Suspension suspension rod 16 is fixedly connected between motor-driven carrier 13.
As shown in Fig. 8-10, fixed landing protection canopy 2 includes main support column 2.1 and is fixed on the main top of support column 2.1
Sub-truss 2.2, it is fixed landing protection canopy 2 be provided with auxiliary support mechanism, Auxiliary support machine in its physical features highest side
Structure includes at least two Auxiliary support posts 2.3 parallel with main support column 2.1, between Auxiliary support post 2.3 and main support column 2.1
And lateral bar 2.4 is fixedly connected between Auxiliary support post 2.3.
The structure of combination protector designed by the utility model is novel, reliable, convenient to assemble and disassemble, construction safety, effectively
Security risk of the newly-built high-altitude bridge construction to both wired bridge operations is avoided, shortens the length for building landing protection canopy,
The cost of landing protection canopy is reduced, the shut-in time of contact net is shortened, greatly reduces construction cost, mobile protective is put down
Platform structure is slim and graceful, and material cost input is reduced.The construction limitation of train non-operation phase is breached, makes the construction of newly building bridge free
Change, important leverage is provided for the duration, and the protection effect of the safeguard structure up and down formed using this combination protector is obvious,
Safety coefficient is high.
It is described above, only it is preferred embodiment of the present utility model, not structure of the present utility model is done any
Formal limitation.Every any simple modification made according to the technical essence of the utility model to above example, it is equal
Change and modification, in the range of still falling within the technical solution of the utility model.
Claims (9)
- It is 1. a kind of across both wired bridge construction combination protectors, including be erected on both on wired bridge, positioned at newly building bridge (1) Lower section and fixed landing protection canopy (2) corresponding with the construction location of newly building bridge (1), it is characterised in that：The new bridge construction Beam (1) bottom is fixed with track girder (3) along its construction direction, is linked with and the construction of newly building bridge (1) on the track girder (3) The mobile protective platform (4) of position correspondence.
- It is 2. as claimed in claim 1 a kind of across both wired bridge construction combination protectors, it is characterised in that：The movable type The platform walking mechanism that protective platform (4) includes protective platform and is fixed at the top of protective platform, hang on track girder (3).
- It is 3. as claimed in claim 2 a kind of across both wired bridge construction combination protectors, it is characterised in that：The protection is flat Platform is truss platform (4.1), and the both sides of the truss platform (4.1) are respectively equipped with two and newly building bridge (1) diameter parallel Longeron (4.2), suspension hanging beam is connected with along the axis direction interval of longeron (4.2) between the longeron (4.2) of the same side (4.3), the bottom of the platform walking mechanism is fixed in suspension hanging beam (4.3).
- It is 4. as claimed in claim 3 a kind of across both wired bridge construction combination protectors, it is characterised in that：The truss is put down It is connected between the longeron (4.2) of platform (4.1) both sides along the axis direction interval of longeron (4.2) multigroup vertical with longeron (4.2) Crossbeam, every group of crossbeam include two entablatures (4.4) being fixedly connected at the top of the side girder (4.2) of truss platform (4.1) two and Below two entablatures (4.4), the sill (4.5) of truss platform (4.1) two side girder (4.2) bottom is fixedly connected with, Web member (4.6) has been fixedly connected between two entablatures (4.4) and between entablature (4.4) and sill (4.5).
- It is 5. as claimed in claim 4 a kind of across both wired bridge construction combination protectors, it is characterised in that：The entablature (4.4) and sill (4.5) includes at least two main chords (5) being located along the same line, the phase being located along the same line It is fixedly connected between adjacent two main chords (5) by being arranged at the flange (6) of main chord (5) end.
- It is 6. as claimed in claim 3 a kind of across both wired bridge construction combination protectors, it is characterised in that：The longeron (4.2) at least two Bailey beams (7) on same axis are included, the stitching portion of adjacent two Bailey beams (7), which is fixed with, to be connect Head buttress brace (8), along shellfish between the top boom and lower boom of the Bailey beam (7) and between adjacent two Bailey beams (7) Lei Liang (7) axis direction interval is fixedly connected with wind brace bar (9).
- It is 7. as claimed in claim 6 a kind of across both wired bridge construction combination protectors, it is characterised in that：The longeron (4.2) lower boom is provided with distribution beam (10), and steel wire, the steel are welded with the top boom of the longeron (4.2) Silk screen upper berth is equipped with bamboo slab rubber, and the top surface of the truss platform (4.1) is circumferentially with guardrail (11), the longeron (4.2) and rail Fixed plate (12) is welded between road beam (3).
- It is 8. as claimed in claim 3 a kind of across both wired bridge construction combination protectors, it is characterised in that：The platform row Walking mechanism includes two motor-driven carriers (13) coordinated with track girder (3), is fixedly connected between the motor-driven carrier (13) small Car connecting rod (14), the lower section of the motor-driven carrier (13) is provided with the mobile holder (15) being fixed in suspension hanging beam (4.3), described Suspension suspension rod (16) is fixedly connected between mobile holder (15) and motor-driven carrier (13).
- It is 9. as claimed in claim 1 a kind of across both wired bridge construction combination protectors, it is characterised in that：It is described fixed Landing protection canopy (2) includes main support column (2.1) and the sub-truss (2.2) being fixed at the top of main support column (2.1), described solid Fixed pattern landing protection canopy (2) is provided with auxiliary support mechanism in its physical features highest side, and the auxiliary support mechanism is included at least Two Auxiliary support posts (2.3) parallel with main support column (2.1), the Auxiliary support post (2.3) and main support column (2.1) it Between and Auxiliary support post (2.3) between be fixedly connected with lateral bar (2.4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720593750.3U CN206902556U (en) | 2017-05-25 | 2017-05-25 | It is a kind of to combine protector across both wired bridge constructions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720593750.3U CN206902556U (en) | 2017-05-25 | 2017-05-25 | It is a kind of to combine protector across both wired bridge constructions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206902556U true CN206902556U (en) | 2018-01-19 |
Family
ID=61288138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720593750.3U Expired - Fee Related CN206902556U (en) | 2017-05-25 | 2017-05-25 | It is a kind of to combine protector across both wired bridge constructions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206902556U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108457199A (en) * | 2018-06-11 | 2018-08-28 | 中铁二局第工程有限公司 | A kind of mobile awning of beam portion construction and its construction method |
| CN112609912A (en) * | 2020-12-10 | 2021-04-06 | 中铁五局集团建筑工程有限责任公司 | Construction method for newly building canopy in overhead operation subway station |
| WO2021147256A1 (en) * | 2020-01-20 | 2021-07-29 | 中铁三局集团建筑安装工程有限公司 | Single-side integral hoisted large-span overbridge crossing over multiple railway lines, and construction method therefor |
| CN114687300A (en) * | 2022-04-08 | 2022-07-01 | 中铁大桥局集团有限公司 | Maintenance method and maintenance system for box girder above transformer |
| CN114855621A (en) * | 2022-05-13 | 2022-08-05 | 中铁第五勘察设计院集团有限公司 | Closure construction method for existing line bridge striding upwards and protection device |
-
2017
- 2017-05-25 CN CN201720593750.3U patent/CN206902556U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108457199A (en) * | 2018-06-11 | 2018-08-28 | 中铁二局第工程有限公司 | A kind of mobile awning of beam portion construction and its construction method |
| WO2021147256A1 (en) * | 2020-01-20 | 2021-07-29 | 中铁三局集团建筑安装工程有限公司 | Single-side integral hoisted large-span overbridge crossing over multiple railway lines, and construction method therefor |
| CN112609912A (en) * | 2020-12-10 | 2021-04-06 | 中铁五局集团建筑工程有限责任公司 | Construction method for newly building canopy in overhead operation subway station |
| CN114687300A (en) * | 2022-04-08 | 2022-07-01 | 中铁大桥局集团有限公司 | Maintenance method and maintenance system for box girder above transformer |
| CN114855621A (en) * | 2022-05-13 | 2022-08-05 | 中铁第五勘察设计院集团有限公司 | Closure construction method for existing line bridge striding upwards and protection device |
| CN114855621B (en) * | 2022-05-13 | 2024-03-15 | 中铁第五勘察设计院集团有限公司 | Closure construction method and protection device for overstretched existing line bridge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20180119 |