CN106917345B - A kind of novel railway overhead device - Google Patents
A kind of novel railway overhead device Download PDFInfo
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- CN106917345B CN106917345B CN201710304553.XA CN201710304553A CN106917345B CN 106917345 B CN106917345 B CN 106917345B CN 201710304553 A CN201710304553 A CN 201710304553A CN 106917345 B CN106917345 B CN 106917345B
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- crossbeam
- plate
- main longitudinal
- longitudinal grider
- stringer
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D18/00—Bridges specially adapted for particular applications or functions not provided for elsewhere, e.g. aqueducts, bridges for supporting pipe-lines
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a kind of novel railway overhead devices, for being worn in construction under railway, from aerial railway under the concrete crosstie below rail track, ensure rail track operational safety, includes the main longitudinal grider (1), multiple crossbeams (2) and stringer (3) set on rail track both sides；Crossbeam (2) is by passing through the main longitudinal grider (1) of both ends and both sides to connect between concrete crosstie；Crossbeam (2) is equipped with connection bracket connecting cross beam (2) and main longitudinal grider (1) with main longitudinal grider (1) junction；It is connected by stringer (3) in the middle part of crossbeam (2)；Vertical, horizontal rigidity is big, and convenient for assembly, connection is reliable, convenient for disassembly and assembly, is applicable in the big multipurpose overhead device of span.
Description
Technical field
The present invention relates to mechanical structure and traffic engineering technical field more particularly to a kind of novel railway overhead devices.
Background technology
With the development of transport development, the Grade Separation Project of highways and streets and railway is also gradually increasing, in existing iron
Need to build on route on many across or under the channel worn, in order to the passage of railway both sides pedestrian and vehicle.Relative to cross-line
For bridge, underground frame bridge uses pipe jacking method, has and takes up an area and remove few, and interference on the road is small, and speed is fast, high-quality etc.
Advantage.But track strengthening must be carried out, to ensure both wired driving and construction safety.Traditionally common reinforcement technique has hanger rail
Liang Fa, hanger rail crossbeam method, hanger rail beam method etc. in length and breadth, in recent years with the widening of underway road surface, the increasing of box culvert hole count, road
The appearance of the Grade Separation Projects such as road and the reduction of railway oblique angles so that these reinforcement techniques expose, structure small using span
Loosely, there are certain security risk, the problems such as working procedure is cumbersome.Engineering selection is worn under more and more railways at present using mark
Quasi- equipment D types construction beam is into the reinforcing of row line, and just beam is quickly and expediently installed D types, is disturbed to rail track during use
It is dynamic small, it can uninterruptedly drive a vehicle and carry out construction operation.D types construction beam has produced and used more than 40 years so far, is making huge tribute
While offering, it is also difficult to be fully contemplated by and suitable for current condition of construction, first, the most ambassador of D type beam inadequate using span
It is 24m with span；Second is that horizontal vertical rigidity is weaker, railway transportation at present increasingly tends to be quick and heavily loaded, and to line condition
Requirement it is also higher, it is appropriate raising anyhow to rigidity be conducive to traffic safety.
Also occur the LONG-SPAN RAILWAYs of some pin-connected panels just beam in construction at present, it is generally similar to the structure of D type beams.With
The increase of span, longeron unavoidably needs to be segmented and increase, and web needs out hand hole to achieve the purpose that splice, hand
First hole can weaken section, second the installation space in the double webs of longeron is narrow, inconvenient.Connector can become entire longeron
The thickness of weak load-bearing point, flange plate and splice plate is excessive, also bad to the stress for connecting bolt.
Bracing can be very good to control the lateral displacement of just beam, generally use Steel section member, traditional big interconnection
Architecture is connected to the lower flange of crossbeam, and in order to avoid the disturbance to track is too big, usually existing coagulation is not removed in construction
Native sleeper or sleeper, concrete sleeper existing in this way or sleeper can occupy the installation space of bracing, then frequently result in not
Bracing is installed, some potential safety problems is formed.
The just beam of half through structure in existing use, it is generally 4.51 as 24mD type construction beams are applicable in line spacing~
4.81m, in multiple line and line spacing, more thickly section needs to do specially treated, generally in use, be difficult to two-wire or multi-thread juxtaposition
The practice be to use deck type, but need to be used for connect with crossbeam to the trepanning of longeron top flange, or use U-bolt etc. is temporarily
Connection measure can cause longeron stress to weaken or be coupled situations such as not fastening.
Therefore it needs a kind of vertical, horizontal rigidity big, convenient for assembly, is applicable in the big multifunctional stand pocket material of span.
Invention content
The object of the present invention is to provide a kind of novel railway overhead devices, and vertical, horizontal rigidity is big, and convenient for assembly, connection can
It leans on, it is convenient for disassembly and assembly, it is applicable in the big multipurpose overhead device of span.
The purpose of the present invention is what is be achieved through the following technical solutions：
A kind of novel railway overhead device, for being worn in construction under railway, from the concrete crosstie undercarriage below rail track
Empty railway ensures rail track operational safety, includes the main longitudinal grider 1, multiple crossbeams 2 and stringer set on rail track both sides
3；
Crossbeam 2 between concrete crosstie by passing through the main longitudinal grider 1 of both ends and both sides to connect；Crossbeam 2 is equipped with 1 junction of main longitudinal grider
Connect bracket connecting cross beam 2 and main longitudinal grider 1；2 middle part of crossbeam is connected by stringer 3；
Main longitudinal grider 1 includes the supporting section 11 at both ends and intermediate linkage section 12；Supporting section 11 is all made of two with linkage section 12
Diaphragm plate 14 between root spaced I-steel 13 side by side and I-steel web is welded；Supporting section 11 welds bearing below
Backing plate 15；It is connected by one group of connection board group between supporting section 11 and linkage section 12；
Crossbeam 2 is using crossbeam channel steel 21 and steel plate group welding piece, and Open Side Down for crossbeam channel steel 21, and top surface is welded with reinforcing plate 22,
Riser 23 is in inverted T shaped with the welding of bottom plate 24, and upper end is welded in 21 medial surface center of crossbeam channel steel；Crossbeam channel steel 21 is separated by between fixation
Away from equipped with multigroup through-hole, bottom plate 24 is equipped with the through-hole of connection stringer 3；
Stringer 3 uses Steel section member.
The crossbeam 2 is connected to the top of main longitudinal grider 1, and connection bracket uses lower connection bracket 4, lower connection bracket 4 to set
Below the interior angle of crossbeam 2 Yu 1 junction of main longitudinal grider；The both ends of the crossbeam 2 and the internal partition 14 of main longitudinal grider 1 use simultaneously
Angle bar 19 is connected and fixed；
The 2 middle part top of crossbeam is connected by stringer 3.
1 lower part of main longitudinal grider is also associated with auxiliary tie-beam 18.
The crossbeam 2 is connected to the middle part of main longitudinal grider 1, and connection bracket includes lower connection bracket 4 and upper connection bracket 5,
Lower connection bracket 4 is set to crossbeam 2 with below the interior angle of 1 junction of main longitudinal grider, and upper connection bracket 5 is set to crossbeam 2 and connects with main longitudinal grider 1
Above the interior angle for meeting place；
The 2 middle part top of crossbeam is connected by stringer 3, while the 2 lower section left and right sides of crossbeam is also by stringer 3
Connection.
2 both ends of crossbeam are also connect by cross-beam connecting plate 6 with main longitudinal grider 1.
The connection board group includes end-plate 7, outside link plate 8, interior connecting plate 9, bottom connecting plate 10 and gusset 20；
End-plate 7 is welded in 13 end face of I-steel, and multiple gussets 20 are welded between end-plate 7 and I-steel web；Supporting section
11 are connected by screw bolts with the end-plate 7 on linkage section 12；13 lower plate of I-steel passes through outside link plate 8, interior connecting plate 9 and bottom
Connecting plate 10 is connected by screw bolts.
As seen from the above technical solution provided by the invention, a kind of novel railway provided in an embodiment of the present invention is aerial
Device, vertical, horizontal rigidity is big, and convenient for assembly, connection is reliable, convenient for disassembly and assembly, is applicable in the big multipurpose overhead device of span.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Attached drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill in field, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is the deck type structural schematic diagram for the novel railway overhead device that the embodiment of the present invention one provides；
Fig. 2 is the planar structure schematic diagram for the novel railway overhead device that the embodiment of the present invention one and two provides；
Fig. 3 is the supporting section structural schematic diagram for the novel railway overhead device that the embodiment of the present invention one and two provides；
Fig. 4 is the linkage segment structure schematic diagram for the novel railway overhead device that the embodiment of the present invention one and two provides；
Fig. 5 is the connection board group structural schematic diagram one for the novel railway overhead device that the embodiment of the present invention one and two provides；
Fig. 6 is the connection board group structural schematic diagram two for the novel railway overhead device that the embodiment of the present invention one and two provides；
Fig. 7 is the beam structure schematic diagram for the novel railway overhead device that the embodiment of the present invention one and two provides；
Fig. 8 is that the crossbeam for the novel railway overhead device that the embodiment of the present invention one is provided with two shows with stringer connection structure
It is intended to one；
Fig. 9 is the half through structural schematic diagram of novel railway overhead device provided by Embodiment 2 of the present invention；
Figure 10 is that the crossbeam of novel railway overhead device provided by Embodiment 2 of the present invention and stringer connection structure are illustrated
Figure two；
Specific implementation mode
With reference to the attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on this
The embodiment of invention, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, belongs to protection scope of the present invention.
The embodiment of the present invention is described in further detail below in conjunction with attached drawing.
Embodiment one
As shown in Figures 1 and 2, a kind of novel railway overhead device, for being worn in construction under railway, from rail track lower section
Concrete crosstie under aerial railway, ensure rail track operational safety, include the main longitudinal grider 1, multiple set on rail track both sides
Crossbeam 2 and stringer 3.
Crossbeam 2 between concrete crosstie by passing through the main longitudinal grider 1 of both ends and both sides to connect；Crossbeam 2 is equipped with 1 junction of main longitudinal grider
Connect bracket connecting cross beam 2 and main longitudinal grider 1；2 middle part of crossbeam is connected by stringer 3；
Specifically, the crossbeam 2 is connected to the top of main longitudinal grider 1, connection bracket uses lower connection bracket 4, lower connection
Bracket 4 is set to interior angle lower section of the crossbeam 2 with 1 junction of main longitudinal grider；The 2 middle part top of crossbeam is connected by stringer 3.This
One mode is the structure of typical deck type.
Main longitudinal grider 1 includes the supporting section 11 at both ends and intermediate linkage section 12；As shown in Figure 3 and Figure 4, supporting section 11 and company
Connect multiple spaced diaphragm plates 14 that section 12 is all made of between two spaced I-steel 13 and I-steel web side by side
It is welded；The interval of I-steel 13 about clear spacing 150mm, it is ensured that the intensity and rigidity of structure.In 14 top of diaphragm plate
Position has installed through-hole, for passing through 19 fixed cross beam 2 of angle bar.In addition, 1 lower part of main longitudinal grider is also associated with auxiliary connection
Beam 18.
Supporting section 11 welds holder base plate 15 below；Holder base plate 15 with other for connecting.As shown in figs. 5 and 6,
It is connected by one group of connection board group between supporting section 11 and linkage section 12；The connection board group include end-plate 7, outside link plate 8,
Interior connecting plate 9, bottom connecting plate 10 and gusset 20；End-plate 7 is welded in 13 end face of I-steel, between end-plate 7 and I-steel web
Weld multiple gussets 20；Supporting section 11 is connected by screw bolts with the end-plate 7 on linkage section 12；13 lower plate of I-steel passes through outer
Connecting plate 8, interior connecting plate 9 and bottom connecting plate 10 are connected by screw bolts.
As shown in fig. 7, crossbeam 2 is using crossbeam channel steel 21 and steel plate group welding piece, Open Side Down for crossbeam channel steel 21, and top surface is welded with
Reinforcing plate 22, riser 23 are in inverted T shaped with the welding of bottom plate 24, and upper end is welded in 21 medial surface center of crossbeam channel steel；Crossbeam channel steel 21
It is separated by constant spacing and is equipped with multigroup through-hole, for through-hole to connect the structures such as rail clip and stringer, it is small that bottom plate 24 is equipped with connection
The through-hole of longeron 3；The height of crossbeam 2 can be adjusted as needed.The structure of the crossbeam 2 can effectively improve the laterally rigid of crossbeam
Degree improves longitudinal force under the conditions of large span and increases caused crossbeam along the horizontal curved stress problem of line direction.
As shown in figure 8, stringer 3 uses Steel section member, channel steel or angle steel are specifically used, bolt and crossbeam channel steel 21 are passed through
Through-hole connect with stringer 3.This is the structure type that stringer 3 is top stringer.
The structure of stringer 3 is easy for installation, can effectively ensure that the lateral stiffness of structure.
Assembled good main longitudinal grider 1 has two, and downline road both sides arrangement, both ends are erected on coagulation by holder base plate 15
In native pile foundation, several crossbeams 2 pass through between concrete crosstie, and both ends are connect with main longitudinal grider 1, and stringer 3 is arranged in 2 both ends of crossbeam
And the position of 2 span centre of crossbeam, while concrete crosstie is avoided, whole vertical, horizontal rigidity is big.
Embodiment two
As shown in figure 9, with reference to figure 2, a kind of novel railway overhead device, in constructing for railway underground, from rail track
Aerial railway under the concrete crosstie of lower section, ensure rail track operational safety, include set on rail track both sides main longitudinal grider 1,
Multiple crossbeams 2 and stringer 3.
Crossbeam 2 below concrete crosstie by passing through the main longitudinal grider 1 of both ends and both sides to connect；Crossbeam 2 is set with 1 junction of main longitudinal grider
There are connection bracket connecting cross beam 2 and main longitudinal grider 1；2 middle part of crossbeam is connected by stringer 3；
Specifically, the crossbeam 2 is connected to the middle part of main longitudinal grider 1, connection bracket includes lower connection bracket 4 and upper connection
Bracket 5, lower connection bracket 4 are set to crossbeam 2 and master set on the interior angle lower section of crossbeam 2 with 1 junction of main longitudinal grider, upper connection bracket 5
Above the interior angle of 1 junction of longeron；The 2 middle part top of crossbeam is connected by stringer 3, while 2 lower section left and right two of crossbeam
Side is connected also by stringer 3.2 both ends of crossbeam are also connect by cross-beam connecting plate 6 with main longitudinal grider 1.This mode is
Typical half through structure.
Main longitudinal grider 1 includes the supporting section 11 at both ends and intermediate linkage section 12；As shown in Figure 3 and Figure 4, supporting section 11 and company
Connect multiple spaced diaphragm plates 14 that section 12 is all made of between two spaced I-steel 13 and I-steel web side by side
It is welded；The interval of I-steel 13 about clear spacing 150mm, it is ensured that the intensity and rigidity of structure.Supporting section 11 welds below
Connect holder base plate 15；As shown in figs. 5 and 6, it is connected by one group of connection board group between supporting section 11 and linkage section 12；The company
Fishplate bar group includes end-plate 7, outside link plate 8, interior connecting plate 9, bottom connecting plate 10 and gusset 20；End-plate 7 is welded in I-steel
Multiple gussets 20 are welded in 13 end faces between end-plate 7 and I-steel web；Supporting section 11 is used with the end-plate 7 on linkage section 12
It is bolted；13 lower plate of I-steel is connected by screw bolts by outside link plate 8, interior connecting plate 9 and bottom connecting plate 10.
As shown in fig. 7, crossbeam 2 is using crossbeam channel steel 21 and steel plate group welding piece, Open Side Down for crossbeam channel steel 21, and top surface is welded with
Reinforcing plate 22, riser 23 are in inverted T shaped with the welding of bottom plate 24, and upper end is welded in 21 medial surface center of crossbeam channel steel；Crossbeam channel steel 21
It is separated by constant spacing and is equipped with multigroup through-hole, for through-hole to connect the structures such as rail clip and stringer, it is small that bottom plate 24 is equipped with connection
The through-hole of longeron 3；The height of crossbeam 2 can be adjusted as needed.The structure of the crossbeam 2 can effectively improve the laterally rigid of crossbeam
Degree improves longitudinal force under the conditions of large span and increases caused crossbeam along the horizontal curved stress problem of line direction.
As shown in figure 8, stringer 3 uses Steel section member, channel steel or angle steel are specifically used, bolt and crossbeam channel steel 21 are passed through
Through-hole connect with stringer 3.This is the structure type that stringer 3 is top stringer.
In addition, as shown in Figure 10, stringer 3 uses Steel section member, specifically uses channel steel or angle steel, passes through bolt and bottom plate
24 through-hole is connect with stringer 3.This is the structure type that stringer 3 is bottom stringer.
The structure of stringer 3 is easy for installation, can effectively ensure that the lateral stiffness of structure.
Assembled good main longitudinal grider 1 has two, and downline road both sides arrangement, both ends are erected on coagulation by holder base plate 15
In native pile foundation, several crossbeams 2 pass through between concrete crosstie, and both ends are connect with main longitudinal grider 1, and stringer 3 is arranged in 2 both ends of crossbeam
And the position of 2 span centre of crossbeam, while concrete crosstie is avoided, whole vertical, horizontal rigidity is big.
In addition, in two embodiments, when application：
1, crossbeam 2 is worn under using driving gap between the concrete crosstie of circuit；
2 while nearby open location assembly main longitudinal grider 1, by supporting section 11 with linkage section 12 by connecting board group connection,
Connection is connected using high-strength bolt, and all bolts should all use high-strength bolt herein
3, along circuit both sides kerve, main longitudinal grider 1 is transported to scene using articulated car or other hanging devices, beam is fallen and enters
Slot；
4, connecting cross beam 2 and main longitudinal grider 1, half through structure need to connect connection bracket 5, lower connection bracket 4 and crossbeam and connect
Fishplate bar 6, deck type structure need to connect lower connection bracket 4, angle bar 19 and auxiliary tie-beam 18；
5, the stringer 3 of top and bottom is finally installed.
Main longitudinal grider 1 of the present invention can effectively increase lateral stiffness using formula section is widened, when controlling 1 stress of main longitudinal grider
Side sway；Using the connection type of connection board group, the weakening section of joint can be reduced, and is connected reliably, crossbeam 2 is used as and bears to move
The direct component of mobile load strengthens its vertical and lateral stiffness.Stringer 3 simplifies installation process, is effectively guaranteed simultaneously
The whole lateral stiffness of structure.The components such as main longitudinal grider 1, crossbeam 2 and stringer 3, it is easy to process manufacture and weight compared to same
The plate members of rigidity are light, and economy is stronger.It can spell and form half through and two kinds of structural shapes of deck type, be a kind of longitudinal and transverse
Big to rigidity, applicable span is big, and novel railway convenient for disassembly and assembly makes somebody a mere figurehead equipment, is more suitable for quick, the aerial reinforcing of heavy haul railway
It uses.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art is in the technical scope of present disclosure, the change or replacement that can be readily occurred in,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Subject to enclosing.
Claims (6)
1. a kind of novel railway overhead device, from rail track lower section aerial railway, ensures railway for being worn in construction under railway
Circuit operational safety, which is characterized in that include the main longitudinal grider (1), multiple crossbeams (2) and stringer set on rail track both sides
(3)；
By being passed through between concrete crosstie, the main longitudinal grider (1) of both ends and both sides connects crossbeam (2)；Crossbeam (2) is connect with main longitudinal grider (1)
Place is equipped with connection bracket connecting cross beam (2) and main longitudinal grider (1)；It is connected by stringer (3) in the middle part of crossbeam (2)；
Main longitudinal grider (1) includes the supporting section (11) at both ends and intermediate linkage section (12)；Supporting section (11) is equal with linkage section (12)
It is welded using the diaphragm plate (14) between two spaced I-steel (13) and I-steel web side by side；Supporting section (11)
Welding holder base plate (15) below；Between supporting section (11) and linkage section (12) board group connection is connect by one group；
Crossbeam (2) is using crossbeam channel steel (21) and steel plate group welding piece, and Open Side Down for crossbeam channel steel (21), and top surface is welded with reinforcing plate
(22), riser (23) and bottom plate (24) welding are in inverted T shaped, and upper end is welded in crossbeam channel steel (21) medial surface center；Crossbeam channel steel
(21) it is separated by constant spacing and is equipped with multigroup through-hole, bottom plate (24) is equipped with the through-hole of connection stringer (3)；
Stringer (3) uses Steel section member.
2. novel railway overhead device according to claim 1, which is characterized in that the crossbeam (2) is connected to main vertical
The top of beam (1), connection bracket use lower connection bracket (4), lower connection bracket (4) to be connect with main longitudinal grider (1) set on crossbeam (2)
Below the interior angle at place, while the both ends of the crossbeam (2) are connect admittedly with the diaphragm plate (14) of main longitudinal grider (1) using angle bar (19)
It is fixed；
Top is connected by stringer (3) in the middle part of the crossbeam (2).
3. novel railway overhead device according to claim 1, which is characterized in that described main longitudinal grider (1) lower part also connects
It is connected to auxiliary tie-beam (18).
4. novel railway overhead device according to claim 1, which is characterized in that the crossbeam (2) is connected to main vertical
The middle part of beam (1), connection bracket include lower connection bracket (4) and upper connection bracket (5), and lower connection bracket (4) is set to crossbeam (2)
Below the interior angle of main longitudinal grider (1) junction, upper connection bracket (5) is set on crossbeam (2) and the interior angle of main longitudinal grider (1) junction
Side；
Top is connected by stringer (3) in the middle part of the crossbeam (2), while crossbeam (2) the lower section left and right sides is also by small vertical
Beam (3) connects.
5. novel railway overhead device according to claim 4, which is characterized in that described crossbeam (2) both ends also pass through
Cross-beam connecting plate (6) is connect with main longitudinal grider (1).
6. according to claim 1-5 any one of them novel railway overhead devices, which is characterized in that the connection board group packet
Include end-plate (7), outside link plate (8), interior connecting plate (9), bottom connecting plate (10) and gusset (20)；
End-plate (7) is welded in I-steel (13) end face, and multiple gussets (20) are welded between end-plate (7) and I-steel web；Branch
Section (11) is held to be connected by screw bolts with the end-plate (7) on linkage section (12)；I-steel (13) lower plate passes through outside link plate
(8), interior connecting plate (9) is connected by screw bolts with bottom connecting plate (10).
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| CN201710304553.XA CN106917345B (en) | 2017-05-03 | 2017-05-03 | A kind of novel railway overhead device |
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|---|---|---|---|
| CN201710304553.XA CN106917345B (en) | 2017-05-03 | 2017-05-03 | A kind of novel railway overhead device |
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| CN106917345B true CN106917345B (en) | 2018-08-14 |
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| CN109208481A (en) * | 2018-09-11 | 2019-01-15 | 中国二十冶集团有限公司 | Sandbox and bent cap sectional shelf-unit mounting device |
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| JP2005256604A (en) * | 2005-06-08 | 2005-09-22 | East Japan Railway Co | Form bearing structure |
| CN202830666U (en) * | 2012-10-19 | 2013-03-27 | 中铁十局集团有限公司 | Underneath pass heavy haul railway Line reinforcing device |
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| CN203890866U (en) * | 2014-06-13 | 2014-10-22 | 中冶京诚工程技术有限公司 | Construction temporary beam |
| CN205857004U (en) * | 2016-07-28 | 2017-01-04 | 秦皇岛中科铁路钢结构有限公司 | A kind of construction beam |
| CN206693038U (en) * | 2017-05-03 | 2017-12-01 | 中铁第五勘察设计院集团有限公司 | A kind of novel railway overhead device |
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2017
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003268718A (en) * | 2002-03-13 | 2003-09-25 | East Japan Railway Co | Reinforced structure of existing railway bridge |
| JP2005256604A (en) * | 2005-06-08 | 2005-09-22 | East Japan Railway Co | Form bearing structure |
| CN202830666U (en) * | 2012-10-19 | 2013-03-27 | 中铁十局集团有限公司 | Underneath pass heavy haul railway Line reinforcing device |
| CN203487475U (en) * | 2013-10-11 | 2014-03-19 | 中铁一局集团有限公司 | Line suspending and reinforcing structure for existing line jacking bridge and culvert construction |
| CN203890866U (en) * | 2014-06-13 | 2014-10-22 | 中冶京诚工程技术有限公司 | Construction temporary beam |
| CN205857004U (en) * | 2016-07-28 | 2017-01-04 | 秦皇岛中科铁路钢结构有限公司 | A kind of construction beam |
| CN206693038U (en) * | 2017-05-03 | 2017-12-01 | 中铁第五勘察设计院集团有限公司 | A kind of novel railway overhead device |
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| CN106917345A (en) | 2017-07-04 |
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Application publication date: 20170704 Assignee: SHAANXI CONSTRUCTION MACHINERY Co.,Ltd. Assignor: CHINA RAILWAY FIFTH SURVEY AND DESIGN INSTITUTE GROUP Co.,Ltd. Contract record no.: X2021110000046 Denomination of invention: A new railway overhead device Granted publication date: 20180814 License type: Common License Record date: 20211124 |