CN108790951A - A kind of supporting mechanism of electrification railway contact net - Google Patents
A kind of supporting mechanism of electrification railway contact net Download PDFInfo
- Publication number
- CN108790951A CN108790951A CN201810466951.6A CN201810466951A CN108790951A CN 108790951 A CN108790951 A CN 108790951A CN 201810466951 A CN201810466951 A CN 201810466951A CN 108790951 A CN108790951 A CN 108790951A
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- CN
- China
- Prior art keywords
- wind
- contact line
- damping force
- damper rod
- supporting mechanism
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- 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.)
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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
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention belongs to electrified track field of traffic, more particularly to a kind of supporting mechanism for electrification railway contact net, including Horizontal Cantilever, cantilever support, inclined cantilever, positioning pipe, locating ring, damper rod, disk, wire casing, motor, anemoclinograph, controller.After controller obtains wind speed and direction, the angle of wind direction and contact line direction is calculated, the action section of contact line is accumulated by the angle reduction wind controlled between motor rotating circular disc adjusting contact line and direction, to reduce the wind shake of contact line；After disk rotational angular adjustment, controller judges wind speed, by control damper rod adjust damping make supporting mechanism have and the matched most suitable vibration resistance of wind-force.The supporting mechanism can adaptive climatic environment complicated and changeable, there is the adjustable wind resistance of dynamic, the windburn loss for improving the wind loading rating of contact net, reducing electric railway.
Description
Technical field
The invention belongs to electrified track field of traffic, more particularly to a kind of supporting mechanism of electrification railway contact net.
Background technology
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.
Electrification contact network under the harsher wind conditions of China Railway First Investigation Designing Institute Group Co., Ltd and its parameter
It is suitable, whole that the method for determination uses structure height to be matched with contact line tension no more than 50m, load rope tensility for 1100mm, span
Body steel cantilever structure, transition mast and turnout mast are that the simple catenary that double bracket columns, contact line and carrier cable branch column cast anchor is hung
System.(referenced patent document CN102756671B)
A kind of high-speed railway touching net antidirection finding elastic damper supporting mechanism of patented product of Tongji University, the bracket knot
Structure includes Horizontal Cantilever, inclined cantilever, positioning pipe, locator and positioning pipe support, and supporting mechanism includes damping generation unit and determines
Position pin unit, damping generation unit one end are fixedly connected with positioning pipe, and the other end is connected by shop bolt unit and locator
It connects, damping generation unit is diagonally arranged, and is connect respectively with locator, positioning pipe, and support construction (referenced patent is collectively formed
Document CN104890534B)；A kind of wind vibration for high-speed railway contact line control self-tension damper, including generate list from tension
Member, connection unit and clue clamping unit.Described to be made of from tension generation unit deformed spring, which can be at it
Both ends generate tension when having relative displacement, in addition it can control the length of connection unit.The connection unit is by high tensile steel wire
It constitutes, for connecting from tension generation unit and clue clamping unit.The clue clamping unit is made of shaped steel, including load
Bands presss from both sides and contact line wire clamp, for carrier cable and contact line (referenced patent document CN101559731B) to be clamped.
Invention content
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.
A kind of electrifing railway contacting net system, including column, contact suspension and the support machine for being used to support contact suspension
Structure, wherein the distance between two adjacent upright posts is L,
The supporting mechanism includes：
Horizontal Cantilever is installed on column, hinged with cantilever support, inclined cantilever；
Damper rod, one end is hinged with inclined cantilever, and the other end is hinged with positioning pipe, the wind shake for reducing contact net, in bar
Portion is an adjustable viscous damper of internal restriction hole size, and the size that viscous damper adjusts throttle orifice changes throttle block
Power, so that damper rod has adjustable damping；
Positioning pipe, one end are connect with Horizontal Cantilever using locating ring, and the other end connects motor, are used for the positioning of contact line；
Motor is installed on positioning tube end, for controlling disk rotational；
Disk, a diameter of D, for adjusting the angle between contact line and wind direction；
Wire casing is opened in inside disk, and contact line is pierced by out of wire casing；
Anemoclinograph is installed on Horizontal Cantilever, for detecting wind direction and wind speed；
Controller, signal connect anemoclinograph, motor and damper rod, the rotation and damper rod for controlling disk
The adjusting of damping force；
Controller is configured as：
(1) wind speed v1 and wind direction are obtained, the angle α of wind direction and contact line direction is calculated；
(2) judge the size of α and the steering locking angle θ of contact line, wherein
(3) as α > θ, controlling the motor on each column, rotating circular disc is rotated toward contact line leeward side simultaneouslyTo the greatest extent
Possibly reduce the wind-engaging sectional area of contact line；As 0≤α≤θ, the motor past contact of rotating circular disc simultaneously on each column is controlled
Line leeward side rotatesTo keep the contact line between disk two-by-two parallel with wind direction, reduce effect of the wind to contact line
Sectional area, and then reduce the windage of contact line；
(4) judge v1With wind speed standard value v0Size；
(5) in disk rotationalUnder the premise of, work as v1> v0When, control damper rod increase damping force to the first damping force, when
v1≤v0When, control damper rod increases damping force to the second damping force；In disk rotationalUnder the premise of, work as v1>
v0, control damper rod and increase damping force to third damping force, work as v1≤v0When, control damper rod keeps initial damping force constant, root
According to v1The damping of adjustment damper rod makes supporting mechanism have and the matched most suitable vibration resistance of wind-force, wherein the first damping force
The initial damping forces of > the second damping force > third damping force >.
The beneficial effects of the invention are as follows：The supporting mechanism can adaptive climatic environment complicated and changeable, have dynamic can
The wind resistance of tune, the windburn loss for improving the wind loading rating of contact net, reducing electric railway.
Description of the drawings
Fig. 1 shows the schematic diagram of contact net system；
Fig. 2 shows contact lines to adjust schematic diagram；
Fig. 3 shows that the contact line on disk interts schematic diagram；
Fig. 4 shows the control flow chart of controller.
Specific implementation mode
With reference to the accompanying drawings, the function that the structure of this system is described in detail and is realized.
Horizontal Cantilever 1, is installed on column, hinged with cantilever support 2, inclined cantilever 3；
Damper rod 4, one end is hinged with inclined cantilever 3, and the other end is hinged with positioning pipe 5, the wind shake for reducing contact net, bar
Middle part is an adjustable viscous damper of internal restriction hole size, and the size that viscous damper adjusts throttle orifice changes throttle block
Power, so that damper rod 4 has adjustable damping；
Positioning pipe 5, one end are connect with Horizontal Cantilever using locating ring 6, and the other end connects motor 7, are used for the positioning of contact line；
Motor 7 is installed on 5 end of positioning pipe, is rotated for controlling disk 8；
Disk 8, a diameter of D, for adjusting the angle between contact line and wind direction；
Wire casing 9 is opened in inside disk 8, and contact line is pierced by out of wire casing；
Anemoclinograph 10 is installed on Horizontal Cantilever 1, for detecting wind direction and wind speed；
Controller 11, signal connect anemoclinograph 10, motor 7, damper rod 4, are adjusted for controlling rotating circular disc 8 and control
Save the damping force of damper rod 4；
Controller is configured as：
(1) wind speed v is obtained1With wind direction, the angle α of wind direction and contact line direction is calculated；
(2) judge the size of α and the steering locking angle θ of contact line, wherein
(3) as α > θ, controlling the motor 7 on each column, rotating circular disc 8 is rotated toward contact line leeward side simultaneouslyTo
Reduce the wind-engaging sectional area of contact line as much as possible；As 0≤α≤θ, controls the motor 7 on each column while rotating circular disc 8 is past
Contact line leeward side rotatesTo keep the contact line between disk 8 two-by-two parallel with wind direction, reduce wind to contact line
Action section product, and then reduce contact line windage；
(4) judge v1With wind speed standard value v0Size；
(5) in disk rotationalUnder the premise of, work as v1> v0When, control damper rod 4 increase damping force to the first damping force,
Work as v1≤v0When, control damper rod 4 increases damping force to the second damping force；In disk rotationalUnder the premise of, work as v1
> v0, control damper rod 4 and increase damping force to third damping force, work as v1≤v0When, control damper rod 4 keeps initial damping force not
Become, according to v1The damping of adjustment damper rod makes supporting mechanism have and the matched most suitable vibration resistance of wind-force, wherein the first resistance
The initial damping forces of Buddhist nun's power > the second damping force > third damping force >.
One skilled in the art would recognize that without departing substantially from the spirit and scope of the invention as describing in general manner,
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 it has the adjustable wind resistance of dynamic, Neng Gousui
It air rate adjustment supporting damping or contact line angle is adjusted according to wind direction.
2. a kind of electrifing railway contacting net system, including column, contact suspension and the supporting mechanism for being used to support contact suspension,
Distance between wherein two adjacent upright posts is L, which is characterized in that the supporting mechanism includes：
Horizontal Cantilever is installed on column, hinged with cantilever support, inclined cantilever；
Damper rod, one end is hinged with inclined cantilever, and the other end is hinged with positioning pipe, the wind shake for reducing contact net, is in the middle part of bar
One adjustable viscous damper of internal restriction hole size, the size that viscous damper adjusts throttle orifice change throttle resistance, from
And make damper rod that there is adjustable damping；
Positioning pipe, one end are connect with Horizontal Cantilever using locating ring, and the other end connects motor, are used for the positioning of contact line；
Motor is installed on positioning tube end, for controlling disk rotational；
Disk, a diameter of D, for adjusting the angle between contact line and wind direction；
Wire casing is opened in inside disk, and contact line is pierced by out of wire casing；
Anemoclinograph is installed on Horizontal Cantilever, for detecting wind direction and wind speed；
Controller, signal connect anemoclinograph, motor and damper rod, the damping of rotation and damper rod for controlling disk
The adjusting of power；
Controller is configured as：
(1) wind speed v is obtained1With wind direction, the angle α of wind direction and contact line direction is calculated；
(2) judge the size of α and the steering locking angle θ of contact line, wherein
(3) work as α>When θ, controlling the motor on each column, rotating circular disc is rotated toward contact line leeward side simultaneouslyTo as much as possible
Reduce the wind-engaging sectional area of contact line；As 0≤α≤θ, controls the motor on each column while rotating circular disc is leeward toward contact line
Side rotatesTo keep the contact line between disk two-by-two parallel with wind direction, reduce action section of the wind to contact line
Product, and then reduce the windage of contact line；
(4) judge v1With wind speed standard value v0Size；
(5) in disk rotationalUnder the premise of, work as v1>v0When, control damper rod increases damping force to the first damping force, works as v1≤v0
When, control damper rod increases damping force to the second damping force；In disk rotationalUnder the premise of, work as v1>v0, control
Damper rod increases damping force to third damping force, works as v1≤v0When, control damper rod keeps initial damping force constant, according to v1It adjusts
The damping of whole damper rod makes supporting mechanism have and the matched most suitable vibration resistance of wind-force, wherein the first damping force>Second resistance
Buddhist nun's power>Third damping force>Initial damping force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810466951.6A CN108790951A (en) | 2018-05-16 | 2018-05-16 | A kind of supporting mechanism of electrification railway contact net |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810466951.6A CN108790951A (en) | 2018-05-16 | 2018-05-16 | A kind of supporting mechanism of electrification railway contact net |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108790951A true CN108790951A (en) | 2018-11-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810466951.6A Pending CN108790951A (en) | 2018-05-16 | 2018-05-16 | A kind of supporting mechanism of electrification railway contact net |
Country Status (1)
| Country | Link |
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| CN (1) | CN108790951A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113147515A (en) * | 2021-03-30 | 2021-07-23 | 哈尔滨恒达交通设备技术开发有限公司 | Self-positioning windproof damping positioner and positioning method for electrified contact network of high-speed railway |
| CN114132228A (en) * | 2022-01-13 | 2022-03-04 | 中南大学 | Vibration reduction type contact net locating support for high-speed railway |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102756671A (en) * | 2012-08-13 | 2012-10-31 | 中铁第一勘察设计院集团有限公司 | Trunk line electrification contact system in strong wind environment and parameter determination method thereof |
| CN204801541U (en) * | 2015-07-23 | 2015-11-25 | 山东三友电力设备有限公司 | Contact net support |
| CN106838099A (en) * | 2017-01-06 | 2017-06-13 | 中铁大桥科学研究院有限公司 | The method for designing and damper of a kind of multi-functional viscous damper of variable element |
-
2018
- 2018-05-16 CN CN201810466951.6A patent/CN108790951A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102756671A (en) * | 2012-08-13 | 2012-10-31 | 中铁第一勘察设计院集团有限公司 | Trunk line electrification contact system in strong wind environment and parameter determination method thereof |
| CN204801541U (en) * | 2015-07-23 | 2015-11-25 | 山东三友电力设备有限公司 | Contact net support |
| CN106838099A (en) * | 2017-01-06 | 2017-06-13 | 中铁大桥科学研究院有限公司 | The method for designing and damper of a kind of multi-functional viscous damper of variable element |
Non-Patent Citations (1)
| Title |
|---|
| 铁道部工程设计鉴定中心: "《通信线路及其他设施电磁干扰防护工程设计指南》", 30 September 2009, 中国铁道出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113147515A (en) * | 2021-03-30 | 2021-07-23 | 哈尔滨恒达交通设备技术开发有限公司 | Self-positioning windproof damping positioner and positioning method for electrified contact network of high-speed railway |
| CN113147515B (en) * | 2021-03-30 | 2024-03-19 | 哈尔滨恒达交通设备技术开发有限公司 | Self-positioning windproof damping positioner and positioning method for electrified contact network of high-speed railway |
| CN114132228A (en) * | 2022-01-13 | 2022-03-04 | 中南大学 | Vibration reduction type contact net locating support for high-speed railway |
| CN114132228B (en) * | 2022-01-13 | 2024-05-07 | 中南大学 | Vibration reduction type contact net positioning bracket for high-speed railway |
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Application publication date: 20181113 |