CN106740277A - A kind of railway traffic contact network support meanss - Google Patents
A kind of railway traffic contact network support meanss Download PDFInfo
- Publication number
- CN106740277A CN106740277A CN201710095067.1A CN201710095067A CN106740277A CN 106740277 A CN106740277 A CN 106740277A CN 201710095067 A CN201710095067 A CN 201710095067A CN 106740277 A CN106740277 A CN 106740277A
- Authority
- CN
- China
- Prior art keywords
- base
- rotating base
- fixation clip
- connect base
- support meanss
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000001154 acute effect Effects 0.000 claims abstract description 8
- 239000000725 suspension Substances 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000013016 damping Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241001133184 Colletotrichum agaves Species 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M1/00—Power supply lines for contact with collector on vehicle
- B60M1/12—Trolley lines; Accessories therefor
- B60M1/20—Arrangements for supporting or suspending trolley wires, e.g. from buildings
- B60M1/234—Arrangements for supporting or suspending trolley wires, e.g. from buildings incorporating yielding means or damping means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M1/00—Power supply lines for contact with collector on vehicle
- B60M1/12—Trolley lines; Accessories therefor
- B60M1/20—Arrangements for supporting or suspending trolley wires, e.g. from buildings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M1/00—Power supply lines for contact with collector on vehicle
- B60M1/12—Trolley lines; Accessories therefor
- B60M1/20—Arrangements for supporting or suspending trolley wires, e.g. from buildings
- B60M1/24—Clamps; Splicers; Anchor tips
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Supports For Pipes And Cables (AREA)
- Pivots And Pivotal Connections (AREA)
- Clamps And Clips (AREA)
Abstract
The invention discloses a kind of railway traffic contact network support meanss,Including mounting seat (1),Insulating part (2),Mounting bracket (3),Described mounting seat (1) includes connect base (1 1),Rotating base (1 2) and fixation clip (1 3),Rib (1 4) is provided with described connect base (1 1) and/or described rotating base (1 2),Described rib (1 4) is placed in described connect base (1 1) and described rotating base (1 2) contact surface,It is provided with described connect base (1 1) and holds out against part (1 5),The skewed slot (1 6) and diagonal bar (1 7) of mutual cooperation are respectively equipped with described rotating base (1 2) and described fixation clip (1 3) contact surface,Described skewed slot (1 6) and the incline direction of diagonal bar (1 7) are with described to hold out against part (1 5) force direction orthographic projection angle at an acute angle,The device fixation,The power of different directions is transformed into and is held out against part force direction and is prevented each part from moving.
Description
【Technical field】
The present invention relates to a kind of railway traffic contact network device, especially a kind of railway traffic contact network support meanss.
【Background technology】
In overheat rigid contact network system, support meanss are used for suspension strut and position buckstay.It is electric for 27.5kV
Change rigid contact net in railway tunnel, support meanss should possess the functions such as rotation, energy-obsorbing and damping, adjustable angle, while meeting outstanding
The regulation of buckstay stagger needs, leads top adjustment needs at hanging point, and standardization level is high, and security reliability is high, plays reduction and applies
The demand of work difficulty.At present there is limitation in conventional support meanss function, it is impossible to meet easy for installation, and regulation is simple, improve
The need for efficiency of construction and reduction operation maintenance cost.
【The content of the invention】
In order to solve deficiency of the prior art, there is provided a kind of safe and reliable, possess rotation, energy-obsorbing and damping, adjustable angle,
Standardize, it is to avoid the mobile railway traffic contact network support meanss of mounting seat generation, the technical solution adopted in the present invention is：
A kind of railway traffic contact network support meanss, including mounting seat, insulating part is hinged with described mounting seat,
Described insulating part is provided with mounting bracket, and described mounting seat includes connect base, rotating base and fixation clip, and described consolidates
Fixed pressuring plate is fixedly connected with described connect base and for described rotating base to be clamped in described connect base and fixation clip
Between, rib is provided with described connect base and/or described rotating base, described rib is placed in described connection bottom
Seat and described rotating base contact surface on, be provided with described connect base prevent fixation clip move hold out against part,
The skewed slot and diagonal bar of mutual cooperation are respectively equipped with described rotating base and described fixation clip contact surface, described is oblique
The incline direction of groove and diagonal bar is with described to hold out against part force direction orthographic projection angle at an acute angle.
Described connect base is cambered surface, described connect base and described rotation with described rotating base contact surface
Turning base can connect in the range of mutually rotating to an angle.
Described rib interval setting at least two.
Hinge bar is provided with described rotating base, described insulating part is hinged on hinge bar, and insulating part can be around peace
Dress seat rotation.
Described hinge bar is bolt.
Guide runner is provided with described mounting bracket.
The suspension clamp that can be moved along guide runner is provided with described guide runner.
A kind of mounting seat of railway traffic contact network support meanss, described mounting seat includes connect base, rotating base
And fixation clip, described fixation clip be fixedly connected with described connect base by described rotating base be clamped in connection bottom
Between seat and fixation clip, it is characterised in that：Rib is provided with described connect base and/or described rotating base, it is described
Rib be placed in connect base and described rotating base contact surface, being provided with described connect base prevents fixation clip
Mobile holds out against part, and the skewed slot of mutual cooperation is respectively equipped with described rotating base and described fixation clip contact surface
And diagonal bar, described skewed slot and the incline direction of diagonal bar are with described to hold out against part force direction orthographic projection angle at an acute angle.
Described connect base is cambered surface, described connect base and described rotation with described rotating base contact surface
Turning base can connect in the range of mutually rotating to an angle.
Described rib interval setting at least two, is provided with hinge bar, described hinge bar on described rotating base
It is bolt.
A kind of mounting seat of railway traffic contact network support meanss, described mounting seat includes connect base, rotating base
And fixation clip, described fixation clip be fixedly connected with described connect base by described rotating base be clamped in connection bottom
Between seat and fixation clip, rib is provided with described connect base and/or described rotating base, described rib is placed in
In described connect base and described rotating base contact surface, being provided with described connect base prevents fixation clip from moving
Hold out against part, be respectively equipped with described rotating base and described fixation clip contact surface mutual cooperation skewed slot and tiltedly
Muscle, described skewed slot and the incline direction of diagonal bar are with described to hold out against part force direction orthographic projection angle at an acute angle.
Described connect base is cambered surface, described connect base and described rotation with described rotating base contact surface
Turning base can connect in the range of mutually rotating to an angle.
Described rib interval setting at least two.
Hinge bar is provided with described rotating base, described insulating part is hinged on hinge bar.
Described hinge bar is bolt.
Using track above traffic contact system support meanss, because the connect base in mounting seat and rotating base are contacted
Face is provided with rib, and than the resistance increase suffered by plane contact, to avoid fixed seat upper in connect base in the case of compression
The contact surface of lower movement, fixation clip and rotating base is provided with the diagonal bar and skewed slot of mutual cooperation, and fixation clip is by holding out against
Part holds out against and avoids movement, due to incline direction and at an acute angle, the such cooperation that holds out against part force direction of diagonal bar and skewed slot
Power on different directions is transformed into and is held out against in part force direction, so will be by mobile generation when rotating base is moved
Power is by the cooperation special delivery of diagonal bar and skewed slot to fixation clip, rotation bottom being avoided due to holding out against part by fixed plate dieback
The movement of seat and fixation clip, so rotating base can all pass through when being also vertically oriented generation movement in the horizontal direction
Diagonal bar and skewed slot are exerted a force on fixation clip, prevent movement by holding out against part, it is to avoid the movement of rotating base；Install
Frame is provided with guide runner and can so realize the position adjustment of suspension clamp, convenient construction operation；Rotating base and connect base
Contact surface can carry out anglec of rotation regulation for cambered surface, and so the slight deviations in support bar installation process can be carried out more
Mend, keep hanging wire folder parallel.
【Brief description of the drawings】
Fig. 1 is overall structure figure of the present invention.
Fig. 2 is mounting seat overall structure figure of the present invention.
Fig. 3 is connect base structure chart of the present invention.
Fig. 4 is rotary base structure figure of the present invention.
Fig. 5 is fixation clip structure chart of the present invention.
Fig. 6 is insulating part structure figure of the present invention.
Fig. 7 mounting bracket structure chart of the present invention.
【Specific embodiment】
Rail-contacting net support meanss as shown in Figure 1 are included：Mounting seat 1, is hinged with insulating part 2 in mounting seat 1,
Mounting bracket 3 is fixed with insulating part 2, mounting bracket 3 is provided with suspension clamp 4.
More than structure in mounting seat 1 be it is fixed on column for fixing whole device, installed in the present embodiment
Seat 1 and mounting bracket 3 are separately positioned on the two ends of insulating part 2, and mounting bracket is provided with through hole, is bolted to connection in insulating part 2
One end, insulating part 2 and mounting seat 1 are hingedly connected together, such insulating part 2 can just rotate in mounting seat 1 so that
Meet the need for circuit expands with heat and contract with cold.
Mounting seat 1 as shown in Figure 2 includes connect base 1-1, rotating base 1-2 and fixation clip 1-3, from overall knot
Fixation clip 1-3 and connect base 1-1 clamps between them, in fixation in the present embodiment rotating base 1-2 on structure
Corresponding fixing hole 1-9 is equipped with pressing plate 1-3, rotating base 1-2 and connect base 1-1, being bolted to connection makes
Fixation clip 1-3 and connect base 1-1 compresses between them, except this embodiment can also be used rotating base 1-2
Other embodiments for clamping are realized, herein will not enumerate.Connect base 1-1's as shown in Figure 3 and rotating base 1-2
Contact surface is provided with rib 1-4, only gives a kind of implementation method in figure in embodiment, and other embodiment includes rib 1-4's
It is arranged on connect base 1-1 or rib 1-4 is arranged on rotating base 1-2, and in connect base 1-1 and rotating base 1-
Rib 1-4 situations are equipped with 2.As can be seen from Figure 3 the contact surface of connect base 1-1 and rotating base 1-2 is cambered surface, if
It is set to cambered surface and is in order to be able to allow the rotating base 1-2 rotary fine adjustment is carried out on connect base 1-1, if support bar 5 is installed does not mark
It is accurate to have slight deviations with physical location, can be by allowing rotating base 1-2 to be rotated so as to adjust along the cambered surface of connect base 1-1
Angle makes up support bar 5 and installs the deviation for deviateing and producing, so that it is parallel to keep hanging wire to press from both sides, and rib 1-4 is just arranged on arc
On face, contact surface is similarly in cambered surface, such rotating base 1-2 and company between rotating base 1-2 and connect base 1-1 in Fig. 4
Meeting base 1-1 could cooperate, and contact surface is a kind of embodiment for cambered surface, therefore be not excluded for the contact surface form of other shapes
In the presence of.As can be seen from Figure 3 rib 1-4 quantity is two, and rib 1-4 is at least provided with two and is spaced apart in the present invention,
Avoid rotating base 1-2 contacted with rib 1-4 excessively concentrate and influence contact surface stress do not have increase they between firmly
Fixed does use.The connecting portion 1-1-1 for installing and holding out against part 1-5 is additionally provided with connect base 1-1 shown in Fig. 3, part is held out against
1-5 is just located on connecting portion 1-1-1, and part is held out against for bolt in the present embodiment, and fixation clip is held out against by bolt rotation
1-3 prevents it from moving, and connecting hole is additionally provided with connect base 1-1, and the connecting hole is used for for connect base 1-1 being fixed on support
On bar 5, connect base 1-1 can be equally fixed on support bar 5 using other modes and no longer enumerated herein, institute in Fig. 3
Show and a pair of fixing hole 1-9 are additionally provided with connect base 1-1, fixing hole 1-9 fixes fixation clip 1-3 and uses, equally may be used
To there is other embodiment that fixation clip 1-3 is fixed on connect base 1-1.
Rotating base 1-2 as shown in Figure 4 is provided with diagonal bar 1-7, fixation clip 1-3 as shown in Figure 5 and is provided with skewed slot
Coordinate in 1-6, diagonal bar 1-7 insertion skewed slot 1-6, can be by diagonal bar 1-7 and skewed slot 1-6 in addition to the implementation method in the present embodiment
Exchange is put, both diagonal bar 1-7 has been arranged on fixation clip 1-3 skewed slot 1-6 is arranged on rotating base 1-2.As shown in Figure 4
Hinge hole 1-2-1 is provided with rotating base 1-2, during hinge bar 1-8 is as hinge hole 1-2-1, the hinge bar 1-8 in embodiment
It is bolt, it is also possible to directly hinge bar 1-8 is welded on rotating base 1-2 by welding.On insulating part 2 as shown in Figure 6
Articulated section 2-1 is provided with, articulated section 2-1 is set on hinge bar 1-8 and is hinged, such insulating part 2 can be with hinge bar 1-8
Central rotation.Be additionally provided with fixing hole 1-9 on rotating base 1-2 in Fig. 4, fixing hole 1-9 be for convenience bolt by come
Fixed fixation clip 1-3's, fixing hole 1-9 can also be not provided with practice, as long as not hindering for fixing fixation clip 1-3
Bolt be longitudinal mounting hole by, fixing hole 1-9 in the embodiment, this set can not hinder mounting bracket 3 and
The parallel regulation of rail level.
Fixation clip 1-3 as shown in Figure 5 is additionally provided with addition to the skewed slot 1-6 for describing above and holds out against portion 1-3-1, holds out against portion
1-3-1 coordinates so as to prevent moving left and right for fixation clip 1-3 with part 1-5 is held out against.It also is provided with fixation clip 1-3 in Fig. 5
Fixing hole 1-9, fixing hole 1-9 are coordinated with the fixing hole 1-9 on connect base 1-1, by bolt by fixation clip 1-3
It is fixed on so as to compress rotating base 1-2 on connect base 1-1, fixing hole 1-9 is in horizontal mounting hole, and this set can not
Hinder the parallel regulation of mounting bracket 3 and rail level.
As described above, the skewed slot 1-6 and diagonal bar 1-7 on fixation clip 1-3 and rotating base 1-2 are equipped with, tiltedly
Groove 1-6, the incline direction of diagonal bar 1-7 were both neither perpendicular to nor parallel to the force direction for holding out against part 1-5 on frontal plane of projection, both
Have certain angle its angle at an acute angle between them, so set when rotating base 1-2 or fixation clip 1-3 when mobile just
Can by the stress check calculation on moving direction to the direction parallel with part 1-5 is held out against, and hold out against part 1-5 play can prevent move
Effect, so avoid the movement of rotating base 1-2 during stress in use, do not loosen reduction so as to ensure that device
Inspection and maintenance cost.
As described in Figure 6 articulated section 2-1 and fixed part 2-2, articulated section 2-1 and hinge bar are respectively arranged at two ends with insulating part 2
1-8 is hinged, and fixed part 2-2 is used for fixing and mounting bracket 3.
Mounting bracket 3 as shown in Figure 7 is provided with guide runner 3-1, and suspension clamp 4 is located on guide runner 3-1 can be along guide runner
3-1 is moved, and the position adjustment of contact net is realized by mobile suspension clamp 4, and clamping screw after adjustment good position is so that suspension
The position of wire clamp 4 is fixed, and the suspension clamp 4 in the embodiment is resilient suspension wire clamp, can play the effect of damping.
Claims (10)
1. a kind of railway traffic contact network support meanss, including mounting seat (1), insulation is hinged with described mounting seat (1)
Part (2), mounting bracket (3) is provided with described insulating part (2), it is characterised in that：Described mounting seat (1) is including connect base
(1-1), rotating base (1-2) and fixation clip (1-3), described fixation clip (1-3) and described connect base (1-1) are solid
Be clamped in described rotating base (1-2) between described connect base (1-1) and fixation clip (1-3) by fixed connection, in institute
The connect base (1-1) and/or described rotating base (1-2) stated are provided with rib (1-4), and described rib (1-4) is placed in institute
In the connect base (1-1) and described rotating base (1-2) contact surface stated, it is provided with anti-in described connect base (1-1)
What only fixation clip (1-3) was mobile holds out against part (1-5), in described rotating base (1-2) and described fixation clip (1-3)
It is respectively equipped with the skewed slot (1-6) and diagonal bar (1-7) of mutual cooperation on contact surface, described skewed slot (1-6) and diagonal bar (1-7's) inclines
Tilted direction is with described to hold out against part (1-5) force direction orthographic projection angle at an acute angle.
2. a kind of railway traffic contact network support meanss according to claim 1, it is characterised in that：Described connect base
(1-1) is cambered surface, described connect base (1-1) and described rotating base with described rotating base (1-2) contact surface
(1-2) can be connected in the range of mutually rotating to an angle.
3. a kind of railway traffic contact network support meanss according to claim 1 and 2, it is characterised in that：Described rib
(1-4) interval setting at least two.
4. a kind of railway traffic contact network support meanss according to claim 1, it is characterised in that：At described rotation bottom
Seat (1-2) is provided with hinge bar (1-8), and described insulating part (2) is hinged on hinge bar (1-8), and insulating part (2) can be around installation
Seat (1) rotation.
5. a kind of railway traffic contact network support meanss according to claim 4, it is characterised in that：Described hinge bar
(1-8) is bolt.
6. a kind of railway traffic contact network support meanss according to claim 1, it is characterised in that：In described mounting bracket
(3) it is provided with guide runner (3-1).
7. a kind of railway traffic contact network support meanss according to claim 6, it is characterised in that：In described guide runner
(3-1) is provided with can be along the mobile suspension clamp (4) of guide runner (3-1).
8. a kind of mounting seat of railway traffic contact network support meanss as claimed in claim 1, described mounting seat (1) is included even
Connect base (1-1), rotating base (1-2) and fixation clip (1-3), described fixation clip (1-3) and described connect base
(1-1) is fixedly connected and described rotating base (1-2) is clamped between connect base (1-1) and fixation clip (1-3), and it is special
Levy and be：Rib (1-4), described rib are provided with described connect base (1-1) and/or described rotating base (1-2)
(1-4) is placed in connect base (1-1) and described rotating base (1-2) contact surface, is set in described connect base (1-1)
There is prevent fixation clip (1-3) mobile to hold out against part (1-5), in described rotating base (1-2) and described fixation clip
The skewed slot (1-6) and diagonal bar (1-7) of mutual cooperation, described skewed slot (1-6) and diagonal bar (1- are respectively equipped with (1-3) contact surface
7) incline direction is with described to hold out against part (1-5) force direction orthographic projection angle at an acute angle.
9. the mounting seat of railway traffic contact network support meanss according to claim 8, it is characterised in that：Described connection
Base (1-1) is cambered surface, described connect base (1-1) and described rotation with described rotating base (1-2) contact surface
Base (1-2) can be connected in the range of mutually rotating to an angle.
10. the mounting seat of railway traffic contact network support meanss according to claim 8 or claim 9, it is characterised in that：Described
Rib (1-4) interval setting at least two, hinge bar (1-8), described hinge bar are provided with described rotating base (1-2)
(1-8) is bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710095067.1A CN106740277B (en) | 2017-02-22 | 2017-02-22 | Rail transit contact net strutting arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710095067.1A CN106740277B (en) | 2017-02-22 | 2017-02-22 | Rail transit contact net strutting arrangement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106740277A true CN106740277A (en) | 2017-05-31 |
| CN106740277B CN106740277B (en) | 2023-02-28 |
Family
ID=58957680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710095067.1A Active CN106740277B (en) | 2017-02-22 | 2017-02-22 | Rail transit contact net strutting arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106740277B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107020975A (en) * | 2017-06-06 | 2017-08-08 | 湖南华品轨道交通有限公司 | A kind of mounting bracket for contact net seal |
| CN108674256A (en) * | 2018-05-21 | 2018-10-19 | 梁可义 | A kind of support device of power contacts net |
| CN109606206A (en) * | 2019-01-02 | 2019-04-12 | 中铁高铁电气装备股份有限公司 | A kind of low headroom tunnel overheat rigid contact network cantilevered supporting arrangement |
| CN109606207A (en) * | 2019-01-02 | 2019-04-12 | 中铁高铁电气装备股份有限公司 | A kind of rotation adjustable base |
| CN112622705A (en) * | 2020-12-29 | 2021-04-09 | 浙江旺隆轨道交通设备有限公司 | A support cantilever device for low headroom contact net busbar |
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|---|---|---|---|---|
| EP0406840A1 (en) * | 1989-07-05 | 1991-01-09 | A. Salvi & C. S.p.a. | Cantilevered bracket structure to support the overhead electric contact line for railways |
| EP1332913A1 (en) * | 2002-02-05 | 2003-08-06 | M. Dubuis et Compagnie | Tool and process for machining the contact surface of a new catenary wire close to the connection with a partly used catenary wire |
| CN102390286A (en) * | 2011-08-17 | 2012-03-28 | 北京新联铁科技发展有限公司 | Contact net upright post adjusting device |
| CN205871785U (en) * | 2016-07-25 | 2017-01-11 | 中国建筑第六工程局有限公司 | Subway rigid suspension contact net bearing structure |
-
2017
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|---|---|---|---|---|
| EP0406840A1 (en) * | 1989-07-05 | 1991-01-09 | A. Salvi & C. S.p.a. | Cantilevered bracket structure to support the overhead electric contact line for railways |
| EP1332913A1 (en) * | 2002-02-05 | 2003-08-06 | M. Dubuis et Compagnie | Tool and process for machining the contact surface of a new catenary wire close to the connection with a partly used catenary wire |
| CN102390286A (en) * | 2011-08-17 | 2012-03-28 | 北京新联铁科技发展有限公司 | Contact net upright post adjusting device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107020975A (en) * | 2017-06-06 | 2017-08-08 | 湖南华品轨道交通有限公司 | A kind of mounting bracket for contact net seal |
| CN108674256A (en) * | 2018-05-21 | 2018-10-19 | 梁可义 | A kind of support device of power contacts net |
| CN108674256B (en) * | 2018-05-21 | 2021-08-10 | 国网上海市电力公司 | Support arrangement for electric power contact net |
| CN109606206A (en) * | 2019-01-02 | 2019-04-12 | 中铁高铁电气装备股份有限公司 | A kind of low headroom tunnel overheat rigid contact network cantilevered supporting arrangement |
| CN109606207A (en) * | 2019-01-02 | 2019-04-12 | 中铁高铁电气装备股份有限公司 | A kind of rotation adjustable base |
| CN109606206B (en) * | 2019-01-02 | 2024-04-19 | 中铁高铁电气装备股份有限公司 | Overhead rigid contact net cantilever supporting device of low headroom tunnel |
| CN112622705A (en) * | 2020-12-29 | 2021-04-09 | 浙江旺隆轨道交通设备有限公司 | A support cantilever device for low headroom contact net busbar |
| CN112622705B (en) * | 2020-12-29 | 2022-04-19 | 浙江旺隆轨道交通设备有限公司 | A support cantilever device for low headroom contact net busbar |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106740277B (en) | 2023-02-28 |
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