CN206426873U - A kind of high headroom section contact net cantilever beam of urban track traffic - Google Patents
A kind of high headroom section contact net cantilever beam of urban track traffic Download PDFInfo
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- CN206426873U CN206426873U CN201621223324.2U CN201621223324U CN206426873U CN 206426873 U CN206426873 U CN 206426873U CN 201621223324 U CN201621223324 U CN 201621223324U CN 206426873 U CN206426873 U CN 206426873U
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- cantilever beam
- davit
- correspondingly provided
- track traffic
- beam body
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Abstract
The utility model discloses a kind of high headroom section contact net cantilever beam of urban track traffic, including cantilever beam body, the cantilever beam body is horizontally disposed square tube, cantilever beam mounting seat is correspondingly provided with one end of the cantilever beam body, cantilever beam connecting seat is correspondingly provided with the middle part of the cantilever beam body, davit is correspondingly provided with the side of the cantilever beam body away from cantilever beam mounting seat.The utility model provides a kind of high headroom section contact net of urban track traffic with cantilever beam by testing, improving for several times, has taken into full account the vibrations of erection clearance, line slope and train pantograph to contact suspension.It is installed with existing high headroom davit, with overall structure is lightweight, low cost, construction and installation work high above the ground risk be low, construction cost is low, the features such as later stage operation repair apparatus is convenient, fast is a kind of for the high headroom section contact net cantilever beam of urban track traffic.
Description
Technical field
The utility model belongs to urban rail transit equipment installation field, is related to a kind of high headroom of urban track traffic
Segments contact net cantilever beam.
Background technology
The existing high headroom of urban track traffic (vertical range of the rail plane to tunnel top highest point) is interval to be existed mostly
7.6 meters to 10 meters, 7.6 meters of headroom use rigid suspended davit 3 meters long, and davit weight 3 meters long is 152.7kg, mesh
Preceding highest clearance zone section uses rigid suspended davit 5 meters long, weight is 210.5kg up to 10 meters, using M24 chemistry
Crab-bolt is fixed on tunnel top, and davit often increases by 1 meter, and weight will increase 31.98kg；Current more than 7.6 meters high headroom is installed
Rigid suspended davit, unit in charge of construction uses high headroom shelf mostly, and such a mounting means high-altitude working safety risk is big, peace
Efficiency is low coordinates davit to rise and fall, it is necessary to increase workmen, it is necessary to increase shelf counterweight for dress, often installs once, it is necessary to move one
Secondary shelf, it is necessary to retighten shelf；Such as installed using operation vehicle for contact wire, first have to ensure circuit insertion, possess Operation Van
Approach conditions, the increase of contact network construction cost, the increase of Gui Hang areas job safety risk, but also other professional in-orbit rows can be influenceed
The construction in area；Rigid suspended davit is to connect rigidity machine and the middle tie on tunnel top, because electric car pantograph exists
Contact can be produced to contact suspension, final contact can be acted on contact net davit, and davit is to pass through in operation
Chemical anchor bolts are connected with tunnel top, and chemical anchor bolts not only carry the weight of davit itself, also carry overhead contact line system
Load, factor that generation shakes during due to operation, tunnel top partial sector is moist, the service time waits so long, can be used near crab-bolt
There are the phenomenons such as weathering, serious rhegma, leakiness in concrete, can so cause chemical anchor bolts to loosen, due to hanging in long-term operation
Post is given a shock with crab-bolt, can cause chemical agent obscission, and the lighter can cause davit deflection, and contact may be caused when serious
Net davit comes off, and causes contact net to collapse net, jeopardizes traffic safety, cause serious consequence.
Utility model content
In order to overcome defect of the prior art, there is provided a kind of high headroom section contact net cantilever of urban track traffic
Beam.
The utility model is realized by following proposal：
A kind of high headroom section contact net cantilever beam of urban track traffic, including cantilever beam body, the cantilever beam sheet
Body is horizontally disposed square tube, cantilever beam mounting seat is correspondingly provided with one end of the cantilever beam body, in the cantilever beam sheet
Cantilever beam connecting seat is correspondingly provided with the middle part of body, is correspondingly provided with and hangs in the side of the cantilever beam body away from cantilever beam mounting seat
Post；
Support bar mounting seat is correspondingly provided with above the cantilever beam mounting seat, in the support bar mounting seat
Connection sheet is correspondingly provided with, the connection sheet is corresponding with support bar to be hinged, the other end and the cantilever beam connecting seat pair of the support bar
It should connect.
Four cantilever beams are correspondingly provided with the cantilever beam mounting seat chemical anchor bolts are installed.
Four support bar mounting seat chemical anchor bolts are correspondingly provided with support bar mounting seat.
Angle between support bar and the cantilever beam body is 30 degree.
The davit includes passing through the with the corresponding davit bottom plate contacted of the bottom surface of cantilever beam body, the davit bottom plate
The releasable connection corresponding with cantilever beam body of one davit bolt, is correspondingly provided with the second davit bolt on the davit bottom plate, described
The bottom connection corresponding with davit connecting plate of second davit bolt, the bottom connection corresponding with clip of the davit connecting plate,
Insulator is correspondingly provided between the clip and davit connecting plate.
The utility model method has the beneficial effect that：
The utility model provides a kind of high headroom section contact net of urban track traffic with cantilever beam by testing, changing for several times
Enter, taken into full account the vibrations of erection clearance, line slope and train pantograph to contact suspension.It is with existing height
Headroom davit is installed, and with overall structure is lightweight, low cost, construction and installation work high above the ground risk be low, construction cost is low, the later stage
The features such as repair apparatus is convenient, fast is runed, is that one kind is used for the high headroom section contact net cantilever beam of urban track traffic.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the high headroom section contact net cantilever beam of urban track traffic of the utility model；
In figure：1 is cantilever beam body, and 11 be cantilever beam mounting seat, and 12 be that cantilever beam installs chemical anchor bolts, and 13 be cantilever
Beam connecting seat, 2 be support bar mounting seat, and 21 be connection sheet, and 22 be support bar mounting seat chemical anchor bolts, and 3 be support bar, 4
It is davit bottom plate for davit, 41,42 be the first davit bolt, and 43 be the second davit bolt, and 44 be davit connecting plate, and 45 be solid
Fixed button, 46 be insulator.
Embodiment
The utility model is further illustrated with reference to specific embodiment：
A kind of high headroom section contact net cantilever beam of urban track traffic, including cantilever beam body 1, the cantilever beam sheet
Body 1 is horizontally disposed square tube, cantilever beam mounting seat 11 is correspondingly provided with one end of the cantilever beam body 1, in the cantilever
The middle part of beam body 1 is correspondingly provided with cantilever beam connecting seat 13, in the side of the cantilever beam body 1 away from cantilever beam mounting seat 11
It is correspondingly provided with davit 4；
Support bar mounting seat 2 is correspondingly provided with the top of the cantilever beam mounting seat 11, bottom is installed in the support bar
Connection sheet 21 is correspondingly provided with seat 2, the connection sheet 21 is corresponding with support bar 3 to be hinged, the other end and cantilever of the support bar 3
The correspondence of beam connecting seat 13 is connected.
Four cantilever beams are correspondingly provided with the cantilever beam mounting seat 11 chemical anchor bolts 12 are installed.Support bar mounting seat
Four support bar mounting seat chemical anchor bolts 22 are correspondingly provided with 2.When in use, four cantilever beams install chemical anchor bolts 12 and four
The connection corresponding with corresponding tunnel-side of root support bar mounting seat chemical anchor bolts 22,8 are used with tunnel-side junction
Chemical anchor bolts, install relatively reliable compared to 4 chemical anchor bolts of conventional rigid davit, are installed due to being utilized in tunnel-side,
Avoid the risk that rigid davit right angle setting drops.Angle between the support bar 3 and cantilever beam body 1 is 30 degree, branch
Strut 3, cantilever beam body 1 use triangular structure, stability and reliability with tunnel-side formation triangular structure, this product
More preferably.
The davit 4 includes and the corresponding davit bottom plate 41 contacted of the bottom surface of cantilever beam body 1, the davit bottom plate 41
By the first davit bolt 42 and the corresponding releasable connection of cantilever beam body 1, on the davit bottom plate 41 being correspondingly provided with second hangs
Under post bolt 43, the bottom connection corresponding with davit connecting plate 44 of the second davit bolt 43, the davit connecting plate 44
Portion's connection corresponding with clip 45, insulator 46 is correspondingly provided between the clip 45 and davit connecting plate 44.Clip
Connection corresponding with the cable of urban track traffic, its structure and principle will not be repeated here.
Then this product is installed on more than rail level 5.65 meters of position in actual use, reduces work high above the ground risk,
Installation effectiveness is added, construction cost is reduced, later stage operation repair apparatus is convenient, fast；Finally, the H profile steel of rigid davit
Structure is higher, and the moment of torsion being subject to is bigger, and more than 3 meters of H profile steel is easily surrendered, and what it is due to cantilever beam selection is square tube, antitorque
Property it is good, square tube is easily welded and processed, and sectional area is bigger than H profile steel, and stress is more, and occur earthquake either cave in when
Time is not easy to turn round, and cantilever beam manufacturing process is simple, and cost is also low.
Although having done more detailed elaboration to the technical solution of the utility model and having enumerated, it will be appreciated that for
For those skilled in the art, modification is made to above-described embodiment or equivalent alternative solution is used, this skill to this area
Be for art personnel it is clear that without departing from the utility model spirit on the basis of these modifications or improvements, belong to
The scope being claimed in the utility model.
Claims (5)
1. a kind of high headroom section contact net cantilever beam of urban track traffic, including cantilever beam body (1), it is characterised in that：
The cantilever beam body (1) is horizontally disposed square tube, and cantilever beam installation is correspondingly provided with one end of the cantilever beam body (1)
Seat (11), is correspondingly provided with cantilever beam connecting seat (13), in the cantilever beam body (1) in the middle part of the cantilever beam body (1)
Side away from cantilever beam mounting seat (11) is correspondingly provided with davit (4)；
Support bar mounting seat (2) is correspondingly provided with above the cantilever beam mounting seat (11), bottom is installed in the support bar
Seat (2) on be correspondingly provided with connection sheet (21), the connection sheet (21) is corresponding with support bar (3) to be hinged, the support bar (3) it is another
One end connection corresponding with cantilever beam connecting seat (13).
2. the high headroom section contact net cantilever beam of a kind of urban track traffic according to claim 1, it is characterised in that：
Four cantilever beams are correspondingly provided with the cantilever beam mounting seat (11) chemical anchor bolts (12) are installed.
3. the high headroom section contact net cantilever beam of a kind of urban track traffic according to claim 1, it is characterised in that：
Four support bar mounting seat chemical anchor bolts (22) are correspondingly provided with support bar mounting seat (2).
4. the high headroom section contact net cantilever beam of a kind of urban track traffic according to claim 1, it is characterised in that：
Angle between the support bar (3) and cantilever beam body (1) is 30 degree.
5. the high headroom section contact net cantilever beam of a kind of urban track traffic according to claim 1, it is characterised in that：
The davit (4) includes and the corresponding davit bottom plate (41) contacted of the bottom surface of cantilever beam body (1), the davit bottom plate (41)
By the releasable connection corresponding with cantilever beam body (1) of the first davit bolt (42), it is correspondingly provided with the davit bottom plate (41)
Second davit bolt (43), the bottom connection corresponding with davit connecting plate (44) of the second davit bolt (43), the davit
The connection corresponding with clip (45) of the bottom of connecting plate (44), it is right between the clip (45) and davit connecting plate (44)
Insulator (46) should be provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621223324.2U CN206426873U (en) | 2016-11-08 | 2016-11-08 | A kind of high headroom section contact net cantilever beam of urban track traffic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621223324.2U CN206426873U (en) | 2016-11-08 | 2016-11-08 | A kind of high headroom section contact net cantilever beam of urban track traffic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206426873U true CN206426873U (en) | 2017-08-22 |
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ID=59588408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621223324.2U Active CN206426873U (en) | 2016-11-08 | 2016-11-08 | A kind of high headroom section contact net cantilever beam of urban track traffic |
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| CN (1) | CN206426873U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108891305A (en) * | 2018-05-21 | 2018-11-27 | 梁可义 | A kind of intelligence support of contact net |
-
2016
- 2016-11-08 CN CN201621223324.2U patent/CN206426873U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108891305A (en) * | 2018-05-21 | 2018-11-27 | 梁可义 | A kind of intelligence support of contact net |
| CN108891305B (en) * | 2018-05-21 | 2021-05-28 | 王美华 | Intelligent support of contact net |
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