CN208760464U - The safeguard structure of anti-high-voltage line broken string impact - Google Patents
The safeguard structure of anti-high-voltage line broken string impact Download PDFInfo
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- CN208760464U CN208760464U CN201821314486.6U CN201821314486U CN208760464U CN 208760464 U CN208760464 U CN 208760464U CN 201821314486 U CN201821314486 U CN 201821314486U CN 208760464 U CN208760464 U CN 208760464U
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- voltage line
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- line broken
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Abstract
The utility model relates to a kind of safeguard structures of anti-high-voltage line broken string impact, and including the protecting canopy frame being set up in below high-voltage line, the ceiling of the protecting canopy frame is formed below traffic aisle, are equipped with defense of resistance to impact mechanism above the ceiling of the protecting canopy frame.It is common to bear high-voltage line broken string impact load by the cooperation of the defense of resistance to impact mechanism of protecting canopy frame and its top, effectively guarantee high-voltage line broken string surge guard effect, guarantees the safety of contact net and train under frame.
Description
Technical field
The utility model belongs to engineering works technical field, and in particular to a kind of protection knot of anti-high-voltage line broken string impact
Structure, the more particularly, to safeguard structure of the anti-high-voltage line broken string impact of high-speed rail route.
Background technique
China railways net ranks first in the world on Operation Scale through the whole nation, especially high-speed rail, and the route selection of railway can not
The case where wearing high-voltage line under will appear avoided impacts train or contact net, not only will affect column if high-voltage line broken string occurs
Vehicle operates normally, and endangers passenger safety, national economy is caused to lose, the paces that also Chinese high-speed rail can be delayed to go to the world.Currently,
Railway division does not do any safeguard procedures under national high-voltage line mostly, and there are biggish security risks, will affect contact net and train
Operation threatens train and passenger safety.
Utility model content
The utility model embodiment is related to a kind of safeguard structure of anti-high-voltage line broken string impact, can at least solve the prior art
Segmental defect.
The utility model embodiment is related to a kind of safeguard structure of anti-high-voltage line broken string impact, including is set up under high-voltage line
The protecting canopy frame of side, the ceiling of the protecting canopy frame is formed below traffic aisle, is equipped with above the ceiling of the protecting canopy frame
Defense of resistance to impact mechanism.
As one of embodiment, the defense of resistance to impact mechanism includes soft protecting net, and the soft protecting net passes through branch
Protection structure is set up on the ceiling.
As one of embodiment, the supporting construction includes braced frame and a plurality of steel strand wires, the braced frame installation
In on the ceiling, each equal tensioning of steel strand wires is connected at the top of the braced frame and arrangement forms horizontal supporting skeleton,
The soft protecting net is connected support on the horizontal supporting skeleton.
As one of embodiment, the horizontal supporting skeleton is square structure, is disposed with multiple summits at each skeleton edge
Portion's steel strand wires and each edge steel strand wires are each parallel to corresponding skeleton edge length direction, and being criss-cross arranged in the middle part of skeleton, there have to be more
Steel strand wires in the middle part of item.
As one of embodiment, each steel strand wires and the braced frame junction are provided with energy dissipation piece.
As one of embodiment, the braced frame includes that the vertical supporting column for being fixedly installed in the ceiling and level are hanged
Arm beam, the horizontal boom beam is to horizontal extension on the outside of the soft protecting net and passes through the described vertical of Curved beam and respective side
Support column connection.
As one of embodiment, the supporting construction further includes the multiple groups rubber support being arranged in the middle part of ceiling, each described
It is connect with the horizontal supporting skeleton and/or the soft protecting net at the top of rubber support.
As one of embodiment, the soft protecting net includes ring like steel wire mesh sheet layer and high-tensile steel wires grid mesh sheet
Layer, the high-tensile steel wires grid lamella is located at below the ring like steel wire mesh sheet layer and mesh diameter is less than the ring steel
The mesh diameter of silk screen lamella.
As one of embodiment, the defense of resistance to impact mechanism includes the shock resistance bed course being overlapping on the ceiling.
As one of embodiment, the shock resistance bed course includes the successively polystyrol plastic foam plate of superimposition from bottom to top
And bubble concrete layer.
The utility model embodiment at least has the following beneficial effects: the defense of resistance to impact by protecting canopy frame and its top
Mechanism cooperates, common to bear high-voltage line broken string impact load, effectively guarantees high-voltage line broken string surge guard effect, guarantees frame
The safety of lower contact net and train.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is a kind of structural representation of the safeguard structure of anti-high-voltage line broken string impact provided by the embodiment of the utility model
Figure;
Fig. 2 is the attachment structure schematic diagram of soft protecting net provided by the embodiment of the utility model and horizontal supporting skeleton;
Fig. 3 is the structural representation of the safeguard structure of the anti-high-voltage line broken string impact of another kind provided by the embodiment of the utility model
Figure;
Fig. 4 is the structural schematic diagram of shock resistance bed course provided by the embodiment of the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
All other embodiment obtained, fall within the protection scope of the utility model.
Such as Fig. 1-Fig. 4, the utility model embodiment provides a kind of safeguard structure of anti-high-voltage line broken string impact, including sets up
Protecting canopy frame 1 below high-voltage line, the ceiling of the protecting canopy frame 1 is formed below traffic aisle, the protecting canopy frame 1
Defense of resistance to impact mechanism is equipped with above ceiling.In the present embodiment, it is mainly used on high-speed rail route to prevent high-voltage line broken string impact,
Can be below frame Vierendeel girder 102 or corresponding arrangement contact net unit in 101 side of frame column etc., this is those skilled in the art's root
It is easily designed according to actual conditions.Since high-voltage line broken string impact is a kind of passing load, the high-voltage line contact especially charged
Object/structure moment can discharge the very big impact force of electric energy production, in the present embodiment, pass through protecting canopy frame 1 and its top
The cooperation of defense of resistance to impact mechanism, it is common to bear high-voltage line broken string impact load, effectively guarantee high-voltage line broken string surge guard effect
Fruit guarantees the safety of contact net and train under frame.
Above-mentioned protecting canopy frame 1 can use the scaffolding structure of this field routine, it is preferable that it is reinforced concrete frame;
As preferred embodiment, such as Fig. 1 and Fig. 3, which includes frame column 101, Vierendeel girder 102 and secondary beam 103, wherein
Each Vierendeel girder 102 is set up on two neighboring frame column 101, and each secondary beam 103, which is respectively perpendicular, connects two adjacent Vierendeel girders 102,
Contact net unit is arranged in 101 side of 102 bottom of Vierendeel girder or frame column, and Vierendeel girder 102 and 103 top layout of secondary beam have roofing
Plate 1042 and the roof building surface layer 1043 for being overlapping in 1042 top of roof boarding.Above-mentioned 1 stable structure of protecting canopy frame is reliable, anti-impact
It is strong to hit ability.For being applied to high-speed rail route, size/specification of above-mentioned protecting canopy frame 1 can require to determine according to railway line circle,
Being preferably along adjacent two frame columns, 101 spacing in station track direction is 8m.
Above-mentioned defense of resistance to impact mechanism is illustrated below:
Referring to Fig. 1 and Fig. 2, as preferred embodiment, the defense of resistance to impact mechanism includes soft protecting net 2, described
Soft protecting net 2 is set up on the ceiling by supporting construction.High-voltage line broken string punching can be slowed down by the soft protecting net 2
Speed is hit, the impact force and impact kinetic energy of portion fractures cable are absorbed, reduces the impact load that protecting canopy frame 1 is born, and will punching
It hits load and passes to protecting canopy frame 1, thus the contact net and train that are effectively protected under protecting canopy frame 1 and frame.
For above-mentioned supporting construction, it can be and set up bracket on ceiling and the tensioning of soft protecting net 2 is arranged in branch
On frame;Such as Fig. 1 and Fig. 2, in the present embodiment, it is preferable that the supporting construction includes braced frame 6 and a plurality of steel strand wires 5, described
Braced frame 6 is installed on the ceiling, and the equal tensioning of each steel strand wires 5 is connected to 6 top of braced frame and arrangement shape
At horizontal supporting skeleton, the soft protecting net 2 is connected support on the horizontal supporting skeleton.Pass through above-mentioned braced frame
6 in conjunction with horizontal supporting skeleton, and can carry out supporting to soft protecting net 2 is made simultaneously with reducing the amount of deflection of the soft protecting net 2
It obtains the soft protecting net 2 and is tensioned arrangement as far as possible, so that there is stronger shock resistance weight bearing power, soft protecting net 2 and horizontal branch
Protect the protecting canopy frame 1 that impact load suffered by skeleton is also easier to, more fifty-fifty passes to braced frame 6 and lower section.
The structure of above-mentioned horizontal supporting skeleton is connected, the arrangement that each steel strand wires 5 can be used criss-cross, or
Person, using following preferred embodiment: such as Fig. 2, the horizontal supporting skeleton is square structure, is disposed at each skeleton edge
A plurality of edge steel strand wires 51 and each edge steel strand wires 51 are handed in the middle part of skeleton in length and breadth each parallel to corresponding skeleton edge length direction
Mistake is disposed with a plurality of middle part steel strand wires 52.Wherein it is preferred to which above-mentioned braced frame 6 includes multiple groups support unit, every group of support list
Member includes being fixedly installed in the vertical supporting column 601 and horizontal boom beam 602 of ceiling, and horizontal boom beam 602 is to soft protecting net 2
It outside horizontal extension and is connect with the vertical supporting column 601 of respective side by Curved beam 603, above-mentioned edge steel strand wires 51 are vertically worn
It connects on each Curved beam 603 in corresponding skeleton edge.By the way that a plurality of steel strand wires are intensively arranged at horizontal supporting skeleton edge
5, and a plurality of middle part steel strand wires 52 are set by the way of being criss-cross arranged in the middle part of skeleton, it can at least play following work
With: (1) preferably energy absorbing efficiency can be obtained;(2) it can guarantee that the edge tensioning fixed structure of soft protecting net 2 is stablized
Property, and reduce the middle part amount of deflection of soft protecting net 2, effectively improve the shock resistance weight bearing power of the soft protecting net 2;(3)
It is an entirety by each support member/structure organic linking of braced frame 6, and overall structure stability, high reliablity, each
Support part part/structure cooperative bearing and the receiving transmitting load that is averaged, avoid high-voltage line temporary impact, single-point impact to braced frame 6
Local support component/structure causes irreversible injury.
It is further preferred that each steel strand wires 5 are provided with energy dissipation piece 3 with 6 junction of braced frame, lotus is impacted
When carrying larger, each energy dissipation piece 3 can absorb energy, be deformed by its own, extend the deformation range of steel strand wires 5, improve above-mentioned
The impact resistance of horizontal supporting skeleton avoids the direct fracture of steel strand wires 5.In the present embodiment, U-shaped energy dissipation piece is preferably used
3;Above-mentioned energy dissipation piece 3 is existing component, can be bought by market.
The structure of above-mentioned braced frame 6, such as Fig. 1 are connected, the braced frame 6 includes being fixedly installed in erecting for the ceiling
To support column 601 and horizontal boom beam 602, the horizontal boom beam 602 is to the 2 outside horizontal extension of soft protecting net and leads to
Curved beam 603 is crossed to connect with the vertical supporting column 601 of respective side.Wherein, preferably, above-mentioned vertical supporting column 601
Top that is identical as 101 quantity of frame column of protecting canopy frame 1 and being mounted on associated frame members column 101 correspondingly, can be set
Frame column 101 extends upwardly to above ceiling to install vertical supporting column 601 and horizontal boom beam 602, on the one hand, can reduce
The length of vertical supporting column 601 avoids 601 bending moments of the vertical supporting column excessive and influences its using effect and use the longevity
On the other hand, below vertical supporting column 601 life is the reinforced concrete structure of integral type, guarantees structural strength.Pass through above-mentioned arc
Horizontal boom beam 602 and vertical supporting column 601 are connected as entirety by ellbeam 603, so that horizontal boom beam 602 and vertical supporting column
601 cooperative bearings, it is ensured that the structural strength of each vertical supporting column 601 and the ability for resisting load, to improve above-mentioned anti-
The protection effect of the safeguard structure of high-voltage line broken string impact.Above-mentioned vertical supporting column 601, horizontal boom beam 602 are both preferably
It is steel member, is connect preferably by the way of anchor bolt preburied with frame column 101;Curved beam 603 is preferably steel member, both ends
It is welded respectively with corresponding vertical supporting column 601 and horizontal boom beam 602.
The safeguard structure of above-mentioned anti-high-voltage line broken string impact is advanced optimized, such as Fig. 1 and Fig. 2, the supporting construction is also wrapped
Include the multiple groups rubber support 4 being arranged in the middle part of ceiling, each 4 top of rubber support with the horizontal supporting skeleton and/or
The soft protecting net 2 connects.Above-mentioned 4 one side of rubber support intermediate supports can be provided with reduce soft protecting net 2 across
On the other hand middle amount of deflection with above-mentioned braced frame 6 together as vertical supporting skeleton, preferably bears broken string impact lotus
Carry and more uniformly deliver load to the protecting canopy frame 1 of lower section.The rubber support 4 can be bundled using multiple rubber tyres
Structure together, or be integrally formed formula structure;The rubber support 4 it is highly preferred be and above-mentioned vertical supporting column
601 capital absolute altitude is concordant.
Advanced optimize the structure of above-mentioned soft protecting net 2, in the present embodiment, which preferably uses steel
Silk screen chip protective net, intensity with higher and impact resistance.Further, the soft protecting net 2 includes annular
Steel wire lamella and high-tensile steel wires grid lamella, the high-tensile steel wires grid lamella are located at the ring like steel wire mesh sheet
Layer lower section and mesh diameter are less than the mesh diameter of the ring like steel wire mesh sheet layer.Wherein, ring like steel wire mesh sheet layer is as main anti-
Protective net, high-tensile steel wires grid lamella preferably stack setting as auxiliary protective net, the two, i.e. ring like steel wire stratum reticulare is stacked and placed on
On high-tensile steel wires grid lamella, the two bears broken string impact load jointly, in particular, in the hanging installation situation of large span
Under, ring like steel wire mesh sheet layer is larger because deforming caused by self weight, using quality compared with light, the lesser high-tensile steel wires lattice of self-deformation
Aperture plate lamella carries out supplemental protective, can improve the impact resistance of soft protecting net 2 significantly.In the present embodiment, as excellent
Choosing, above-mentioned ring like steel wire stratum reticulare use mesh diameter for the R7 ring network of 300mm, and high-tensile steel wires grid lamella uses mesh
Diameter is the T3/65 high-tensile steel wires grid of 65mm.
Referring to Fig. 3 and Fig. 4, as preferred embodiment, the defense of resistance to impact mechanism includes being overlapping on the ceiling
Shock resistance bed course 7, when occur high-voltage line broken string when, broken string drop down on shock resistance bed course 7, impact force is by the material in bed course at this time
Material absorbs and dispersion, is then passed to the ceiling top plate 104 of protecting canopy frame 1, thus can extend the broken string attack time, absorbs one
It surely measures, while the dispersion of remaining impact load is transferred to ceiling top plate 104, reduce the impact lotus of 1 regional area of protecting canopy frame
It carries.It is further preferred that such as Fig. 4, the shock resistance bed course 7 includes the successively polystyrol plastic foam plate of superimposition from bottom to top
702 and bubble concrete layer 701, wherein the thickness of polystyrol plastic foam plate 702 is preferably controlled in 50~100mm model
In enclosing, the thickness of bubble concrete layer 701 can be determined according to impact resistance needs;Above-mentioned polystyrol plastic foam plate
The cushion layer structure of 702+ bubble concrete layer 701 can play the effect of hard and soft hybrid protective, effectively improve the shock resistance pad
The impact resistance of layer 7.Further, armored concrete flange 1041 is applied on ceiling roofing surrounding beam, flange 1041 is high
Degree is not less than the overall thickness of building coats and shock resistance bed course 7, can fight impact bed course 7 and be protected.
In a further embodiment, above two defense of resistance to impact mechanism can also be combined, wherein in ceiling top plate 104
The above-mentioned shock resistance bed course 7 of upper setting, and above-mentioned braced frame 6 is set on the shock resistance bed course 7, then, on the one hand, this is anti-
The load that part is passed over by upper support frame 6 can be absorbed in impact bed course 7, and the load of transmitting is evenly dispersed to canopy
It pushes up on top plate 104, reduces lower section 1 load of protecting canopy frame, the contact net and column being effectively protected under protecting canopy frame 1 and frame
Vehicle;On the other hand, when soft protecting net 2 and horizontal supporting skeleton protective action fail above, which can carry out height
Crimping cutting-off protection guarantees the functional reliability of the safeguard structure of anti-high-voltage line broken string impact provided in this embodiment.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (10)
1. a kind of safeguard structure of anti-high-voltage line broken string impact, it is characterised in that: including the protection canopy being set up in below high-voltage line
Frame, the ceiling of the protecting canopy frame is formed below traffic aisle, is equipped with defense of resistance to impact above the ceiling of the protecting canopy frame
Mechanism.
2. the safeguard structure of anti-high-voltage line broken string impact as described in claim 1, it is characterised in that: the defense of resistance to impact machine
Structure includes soft protecting net, and the soft protecting net is set up on the ceiling by supporting construction.
3. the safeguard structure of anti-high-voltage line broken string impact as claimed in claim 2, it is characterised in that: the supporting construction includes
Braced frame and a plurality of steel strand wires, the braced frame are installed on the ceiling, and each equal tensioning of steel strand wires is connected to institute
It states at the top of braced frame and arrangement forms horizontal supporting skeleton, the soft protecting net is connected support in the horizontal supporting skeleton
On.
4. the safeguard structure of anti-high-voltage line broken string impact as claimed in claim 3, it is characterised in that: the horizontal supporting skeleton
For square structure, a plurality of edge steel strand wires and each edge steel strand wires are disposed with each parallel to corresponding skeleton at each skeleton edge
Edge length direction, skeleton middle part are criss-cross arranged and have a plurality of middle part steel strand wires.
5. the safeguard structure of anti-high-voltage line broken string impact as claimed in claim 3, it is characterised in that: each steel strand wires and institute
It states braced frame junction and is provided with energy dissipation piece.
6. the safeguard structure of anti-high-voltage line broken string impact as claimed in claim 3, it is characterised in that: the braced frame includes
It is fixedly installed in the vertical supporting column and horizontal boom beam of the ceiling, the horizontal boom beam is on the outside of the soft protecting net
Horizontal extension and the vertical supporting column connection for passing through Curved beam and respective side.
7. the safeguard structure of anti-high-voltage line broken string impact as claimed in claim 3, it is characterised in that: the supporting construction is also wrapped
Include the multiple groups rubber support being arranged in the middle part of ceiling, at the top of each rubber support with the horizontal supporting skeleton and/or institute
State soft protecting net connection.
8. the safeguard structure of anti-high-voltage line broken string impact as claimed in claim 2, it is characterised in that: the soft protecting net packet
Ring like steel wire mesh sheet layer and high-tensile steel wires grid lamella are included, the high-tensile steel wires grid lamella is located at the ring steel
Below silk screen lamella and mesh diameter is less than the mesh diameter of the ring like steel wire mesh sheet layer.
9. the safeguard structure of anti-high-voltage line broken string impact as described in claim 1, it is characterised in that: the defense of resistance to impact machine
Structure includes the shock resistance bed course being overlapping on the ceiling.
10. the safeguard structure of anti-high-voltage line broken string impact as claimed in claim 9, it is characterised in that: the shock resistance bed course
Including the successively polystyrol plastic foam plate and bubble concrete layer of superimposition from bottom to top.
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CN201821314486.6U CN208760464U (en) | 2018-08-15 | 2018-08-15 | The safeguard structure of anti-high-voltage line broken string impact |
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CN201821314486.6U CN208760464U (en) | 2018-08-15 | 2018-08-15 | The safeguard structure of anti-high-voltage line broken string impact |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108749650A (en) * | 2018-08-15 | 2018-11-06 | 中铁第四勘察设计院集团有限公司 | The safeguard structure of anti-high-voltage line broken string impact |
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2018
- 2018-08-15 CN CN201821314486.6U patent/CN208760464U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108749650A (en) * | 2018-08-15 | 2018-11-06 | 中铁第四勘察设计院集团有限公司 | The safeguard structure of anti-high-voltage line broken string impact |
CN108749650B (en) * | 2018-08-15 | 2023-10-31 | 中铁第四勘察设计院集团有限公司 | Protection structure for preventing broken wire impact of high-voltage wire |
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