CN108859870A - A kind of supporting mechanism of electrification railway contact net - Google Patents
A kind of supporting mechanism of electrification railway contact net Download PDFInfo
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- CN108859870A CN108859870A CN201810486944.2A CN201810486944A CN108859870A CN 108859870 A CN108859870 A CN 108859870A CN 201810486944 A CN201810486944 A CN 201810486944A CN 108859870 A CN108859870 A CN 108859870A
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- Prior art keywords
- plane
- registration arm
- axis
- contact line
- motor
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wind Motors (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Abstract
The invention belongs to electric railway fields, more particularly to a kind of supporting mechanism of electrification railway contact net, it includes empty cylinder, registration arm, sensor, controller and the motor for being installed with contact line, when sensor measures real-time wind direction data, controller controls motor operation and registration arm and empty cylinder is driven to rotate, contact line is in position parallel to the wind direction, and the wind shake of contact line weakens.The present invention makes contact net the wind resistance dynamic of contact net can be kept adjustable, allow to cope with climatic environment complicated and changeable, the wind loading rating of contact net is improved, reduce electric railway windburn loss automatically with wind direction keeping parallelism.
Description
Technical field
The invention belongs to electric railway field, in particular to a kind of supporting mechanism of electrification railway contact net.
Background technique
The vortex Wind in wind area, the wind effect in air port and tunnel face can make contact net that complicated vibration and wind occur
Partially, bow net operation state quality is influenced, bow net contact safety is threatened.The high wind of China Railway First Investigation Designing Institute Group Co., Ltd
Electrification contact network and its parameter determination method under environment use structure height for 1100mm, span no more than 50m,
Load rope tensility matches suitable, overall steel cantilever structure, transition mast with contact line tension and turnout mast is double bracket columns, contact line
The simple catenary suspension casted anchor with carrier cable branch column.(referenced patent document CN102756671B).Tongji University it is special
A kind of sharp high-speed railway touching net antidirection finding elastic damper supporting mechanism of product, the cantilever structure include Horizontal Cantilever, inclined cantilever,
Positioning pipe, locator and positioning pipe support, supporting mechanism include damping generation unit and shop bolt unit, and damping generates single
First one end is fixedly connected with positioning pipe, and the other end is connect by shop bolt unit with locator, and damping generation unit is diagonally
Arrangement, and connect respectively with locator, positioning pipe, collectively form support construction (referenced patent document CN104890534B).
Summary of the invention
The present invention provides a kind of supporting mechanisms of electrification railway contact net, can cope with weather ring complicated and changeable
Border has the adjustable wind resistance of dynamic, to improve the wind loading rating of contact net, reduce electric railway windburn loss.
Including：
Horizontal Cantilever, it is vertical with pillar to be fixedly connected；
First registration arm, one end are rotatably embedded in Horizontal Cantilever；
Second registration arm, one end are fixed on pillar, and the other end and the first registration arm end are hinged；
First motor is arranged on Horizontal Cantilever, for controlling the rotation of the first registration arm；
Second motor is arranged in the first registration arm, for controlling the rotation of empty cylinder；
Sensor is arranged on pillar, for monitoring real-time wind direction；
Empty cylinder, the length is m, inside is installed with contact line, and the end of the first registration arm is arranged in and is driven by the second motor
Dynamic rotation；
Controller is connect with sensor, first motor, the second motor signal；
Controller is configured as：
(1) it establishes and is X-axis, is Y-axis, erects towards rail interior direction by origin, contact line direction of empty cylinder center
Straight upward direction is the space coordinates of Z axis；
(2) wind direction data is obtained, establishes the trivector of wind direction, and the trivector is thrown to Xoy, Zox plane respectively
Shadow obtains first the second plane vector of plane vector sum；
(3) the angle μ between angle theta, the second plane vector and the Z axis between the first plane vector and X-axis is calculated；
(4) controlling first motor according to θ drives the first registration arm to make empty cylinder in Xoy plane internal rotation first angle α, makes two
Angle of the contact line between the projection and X-axis in Xoy plane between a adjacent empty cylinder becomes θ namely contact line from 0 ゜
It is parallel with the first plane vector in Xoy plane,
Wherein,
(5) the second motor driven sky cylinder is controlled in Zox plane internal rotation second angle β according to μ, make two adjacent vacant cylinders it
Between contact line the projection in Zox plane and the angle between Z axis from 90 ゜ become μ namely contact line in Zox plane with
Second plane vector is parallel,
Wherein,
The beneficial effects of the invention are as follows：Using the contact net support construction for contacting line position according to change of the wind, contact
Automatable and wind direction keeping parallelism is netted, keeps the wind resistance dynamic of contact net adjustable, weather ring complicated and changeable can be coped with
Border improves the wind loading rating of contact net, reduces electric railway windburn loss.
Detailed description of the invention
Fig. 1 shows supporting mechanism schematic diagram；
Fig. 2 shows contact lines to adjust schematic diagram；
Fig. 3 shows derivation of equation schematic diagram.
Specific embodiment
With reference to the accompanying drawings, the function that the structure of this system is described in detail and is realized.
As shown in Figs. 1-2,
Horizontal Cantilever 1, it is vertical with pillar to be fixedly connected；
First registration arm 2, one end are rotatably embedded in Horizontal Cantilever 1；
Second registration arm 3, one end is fixed on pillar, and the other end and 2 end of the first registration arm are hinged；
First motor 4 is arranged on Horizontal Cantilever 1, for controlling the rotation of the first registration arm 2；
Second motor 5 is arranged in the first registration arm 2, for controlling the rotation of empty cylinder 7；
Sensor 6 is arranged on pillar, for monitoring real-time wind direction；
Empty cylinder 7, the length is m, inside is installed with contact line 8, the end of the first registration arm 2 is arranged in and by the second motor
5 driving rotations；
Controller 9 is connect with sensor 6, first motor 4,5 signal of the second motor；
Controller 9 is configured as：
(1) it establishes and is X-axis, is Y-axis, erects towards rail interior direction by origin, contact line direction of empty 7 center of cylinder
Straight upward direction is the space coordinates of Z axis；
(2) wind direction data is obtained, establishes the trivector of wind direction, and the trivector is thrown to Xoy, Zox plane respectively
Shadow obtains first the second plane vector of plane vector sum；
(3) the angle μ between angle theta, the second plane vector and the Z axis between the first plane vector and X-axis is calculated；
(4) controlling first motor 4 according to θ drives the first registration arm 2 to make empty cylinder 7 in Xoy plane internal rotation first angle α,
Angle of the contact line 8 between two adjacent empty cylinders 7 between the projection and X-axis in Xoy plane is set to become θ from 0 ゜, namely
Contact line 8 is parallel with the first plane vector in Xoy plane.
Calculation formula is：Wherein,
(5) controlling the second motor 5 according to μ drives empty cylinder 7 in Zox plane internal rotation second angle β, makes two adjacent vacant cylinders
Contact line 8 between 7 becomes μ namely contact line 8 in Zox plane from 90 ゜ in the projection in Zox plane and the angle between Z axis
It is upper parallel with the second plane vector.
Calculation formula is：Wherein,
As shown in figure 3, formulation process is as follows：
It can be obtained by the cosine law：
Have again：
(2) are brought into (1) to obtain：
Derivation finishes.
One skilled in the art would recognize that without departing substantially from the spirit and scope of the invention as generally describing,
Various variations and/or modification can be carried out to invention shown in each specific embodiment.Therefore, in terms of all
For, embodiment here is considered as illustrative and and non-limiting.Equally, the present invention includes any feature
Combination, the combination of any feature especially in Patent right requirement, even if the combination of this feature or feature is not in patent
It is explicitely stated in claim or each embodiment here.
Claims (2)
1. a kind of supporting mechanism of electrification railway contact net, which is characterized in that there is the adjustable wind resistance of dynamic, connect with improving
The wind loading rating of net-fault.
2. a kind of supporting mechanism of electrification railway contact net, including：
Horizontal Cantilever, it is vertical with pillar to be fixedly connected；
First registration arm, one end are rotatably embedded in Horizontal Cantilever；
Second registration arm, one end are fixed on pillar, and the other end and the first registration arm end are hinged；
First motor is arranged on Horizontal Cantilever, for controlling the rotation of the first registration arm；
Second motor is arranged in the first registration arm, for controlling the rotation of empty cylinder；
Sensor is arranged on pillar, for monitoring real-time wind direction；
It is characterized in that,
Empty cylinder, the length is m, inside is installed with contact line, and the end of the first registration arm is arranged in and is revolved by the second motor driven
Turn；
Controller is connect with sensor, first motor, the second motor signal；
Controller is configured as：
(1) establish using empty cylinder center as origin, contact line direction is X-axis, towards rail interior direction for Y-axis, vertically to
Upper direction is the space coordinates of Z axis；
(2) wind direction data is obtained, establishes the trivector of wind direction, and the trivector is obtained to Xoy, Zox plane projection respectively
To first the second plane vector of plane vector sum；
(3) the angle μ between angle theta, the second plane vector and the Z axis between the first plane vector and X-axis is calculated；
(4) controlling first motor according to θ drives the first registration arm to make empty cylinder in Xoy plane internal rotation first angle α, makes two phases
Angle of the contact line between the projection and X-axis in Xoy plane between adjacent empty cylinder becomes θ namely contact line in Xoy from 0 ゜
It is parallel with the first plane vector in plane,
Wherein,
(5) the second motor driven sky cylinder is controlled in Zox plane internal rotation second angle β according to μ, made between two adjacent vacant cylinders
Contact line becomes μ namely contact line in Zox plane with second from 90 ゜ in the projection in Zox plane and the angle between Z axis
Plane vector is parallel,
Wherein,
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810486944.2A CN108859870B (en) | 2018-05-21 | 2018-05-21 | Supporting mechanism of electrified railway contact net |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810486944.2A CN108859870B (en) | 2018-05-21 | 2018-05-21 | Supporting mechanism of electrified railway contact net |
Publications (2)
| Publication Number | Publication Date |
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| CN108859870A true CN108859870A (en) | 2018-11-23 |
| CN108859870B CN108859870B (en) | 2021-05-28 |
Family
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| CN201810486944.2A Active CN108859870B (en) | 2018-05-21 | 2018-05-21 | Supporting mechanism of electrified railway contact net |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112793476A (en) * | 2021-02-22 | 2021-05-14 | 中铁二十四局集团上海电务电化有限公司 | Contact net spring tension compensation device and use method thereof |
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| CN204526869U (en) * | 2015-02-06 | 2015-08-05 | 长园高能电气股份有限公司 | Be applied to the compound bird-proof cover of electrification railway contact net |
| CN205615359U (en) * | 2016-05-25 | 2016-10-05 | 凯达铁建电气化铁路器材有限公司 | A slidingtype dropper for electronic railway connecting net |
| KR101707005B1 (en) * | 2009-05-25 | 2017-02-16 | 사트페르 에스.알.엘. | Cantilever for supporting live cables of railway, trolley and subway lines |
| CN106671829A (en) * | 2016-11-11 | 2017-05-17 | 成都国佳电气工程有限公司 | Insulated combined-type support device for overhead lines |
| CN206339566U (en) * | 2017-01-06 | 2017-07-18 | 西安铁路职业技术学院 | A kind of anemorumbometer support frame of high-speed railway monitoring system |
| CN206703995U (en) * | 2017-05-08 | 2017-12-05 | 山东齐林电力设备股份有限公司 | Electrification railway contact net wire support N-type positioner |
-
2018
- 2018-05-21 CN CN201810486944.2A patent/CN108859870B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0897826A2 (en) * | 1997-08-21 | 1999-02-24 | Franz Plasser Bahnbaumaschinen-Industriegesellschaft m.b.H. | Catenary wire stringing device |
| WO2007020297A1 (en) * | 2005-08-19 | 2007-02-22 | Tram Power Ltd | Overhead lines for rail vehicles |
| KR101707005B1 (en) * | 2009-05-25 | 2017-02-16 | 사트페르 에스.알.엘. | Cantilever for supporting live cables of railway, trolley and subway lines |
| CN101807784A (en) * | 2010-04-01 | 2010-08-18 | 扬州东方吊架有限公司 | Solar ice coating resistant device of overhead transmission line |
| CN202827189U (en) * | 2012-10-12 | 2013-03-27 | 中国铁建电气化局集团有限公司 | High speed overhead line system limiting and locating device |
| CN204526869U (en) * | 2015-02-06 | 2015-08-05 | 长园高能电气股份有限公司 | Be applied to the compound bird-proof cover of electrification railway contact net |
| CN205615359U (en) * | 2016-05-25 | 2016-10-05 | 凯达铁建电气化铁路器材有限公司 | A slidingtype dropper for electronic railway connecting net |
| CN106671829A (en) * | 2016-11-11 | 2017-05-17 | 成都国佳电气工程有限公司 | Insulated combined-type support device for overhead lines |
| CN206339566U (en) * | 2017-01-06 | 2017-07-18 | 西安铁路职业技术学院 | A kind of anemorumbometer support frame of high-speed railway monitoring system |
| CN206703995U (en) * | 2017-05-08 | 2017-12-05 | 山东齐林电力设备股份有限公司 | Electrification railway contact net wire support N-type positioner |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112793476A (en) * | 2021-02-22 | 2021-05-14 | 中铁二十四局集团上海电务电化有限公司 | Contact net spring tension compensation device and use method thereof |
| CN112793476B (en) * | 2021-02-22 | 2023-12-12 | 中铁二十四局集团上海电务电化有限公司 | Contact net spring tensioning compensation device and use method thereof |
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| CN108859870B (en) | 2021-05-28 |
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Effective date of registration: 20210429 Address after: 31 Baoci Road, Hengfeng street, Wenling City, Taizhou City, Zhejiang Province Applicant after: Wang Meihua Address before: 230000 2 District, Tianlong Plaza, Qianshan Road, Hefei administrative district, Anhui Applicant before: Liang Keyi |
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