CN108859869A - A kind of adjustable supports of contact net - Google Patents
A kind of adjustable supports of contact net Download PDFInfo
- Publication number
- CN108859869A CN108859869A CN201810467735.3A CN201810467735A CN108859869A CN 108859869 A CN108859869 A CN 108859869A CN 201810467735 A CN201810467735 A CN 201810467735A CN 108859869 A CN108859869 A CN 108859869A
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- CN
- China
- Prior art keywords
- contact line
- wind
- damping force
- contact
- damper rod
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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
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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)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention belongs to electrified track field of traffic, and in particular to a kind of adjustable supports of contact net, including Horizontal Cantilever, cantilever support, inclined cantilever, positioning pipe, positioning ring, damper rod, disk, wire casing, electric putter, motor, anemoclinograph, controller.After controller obtains wind speed and direction, the angle of wind direction and contact line direction is calculated, the action section product that the angle between contact line and direction reduces wind to contact line is adjusted by control motor rotating circular disc, to reduce the wind shake of contact line；After disk rotational angular adjustment, controller judges wind speed, and adjusting damping by control damper rod has adjustable supports and the matched most suitable vibration resistance of wind-force.The adjustable supports 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, in particular to a kind of adjustable supports of 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.
Electrification contact network and its parameter under the harsher wind conditions of China Railway First Investigation Designing Institute Group Co., Ltd
It is suitable, whole that the method for determination uses structure height to match no more than 50m, load rope tensility with contact line tension 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 adjustable supports of the patented product of Tongji University, the bracket knot
Structure includes Horizontal Cantilever, inclined cantilever, positioning pipe, locator and positioning pipe support, and adjustable supports include damping generation unit and determine
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 list is generated 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 fashioned iron, including load
Bands folder and contact line wire clamp, for clamping carrier cable and contact line (referenced patent document CN101559731B).
Summary of the invention
The present invention provides a kind of adjustable supports 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 adjustable supporting for being used to support contact suspension
Support, wherein the distance between two adjacent columnss is L, the adjustable supports include：
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, for reducing the wind shake of contact net, in bar
Portion is the adjustable viscous damper in an internal restriction hole, 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 positioning ring, and the other end connects motor, the positioning for 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；
Electric putter is installed on inside wire casing, and end is fixedly connected with contact line, and there are the length for compensation between both ends is
L1Contact line, wherein
Anemoclinograph is installed on Horizontal Cantilever, for detecting wind direction and wind speed；
Controller, signal connect anemoclinograph, motor, damper rod, electric putter, for control disk, damper rod and
Electric putter；
Controller is configured as：
(1) wind speed v is obtained1With wind direction, and the angle α of wind direction Yu contact line direction is calculated；
(2) judge the size of the steering locking angle θ of α and 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 the greatest extent may be used
Energy ground reduces the wind-engaging sectional area of contact line, while controlling electric putter elongation L1To compensate contact line length；As 0≤α≤θ,
Controlling the motor on each column, rotating circular disc is rotated toward contact line leeward side simultaneouslyThus between making disk two-by-two
Contact line tends to be parallel with wind direction, reduces wind to the action section product of contact line, and then reduce the windage of contact line, controls simultaneously
Electric putter extends L2To compensate contact line length, wherein
(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
≤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 processed increases damping force to third damping force, works as v1≤v0When, control damper rod keeps initial damping force constant, according to v1
The damping of adjustment damper rod has supporting mechanism and the matched most suitable vibration resistance of wind-force, wherein the first damping force>Second
Damping force>Third damping force>Initial damping force.
The beneficial effects of the invention are as follows：The adjustable supports 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.
Detailed description of the invention
Fig. 1 shows the schematic diagram of contact net system；
Fig. 2 shows contact lines to adjust schematic diagram；
Fig. 3 shows the control flow chart of controller.
Specific embodiment
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 and inclined cantilever 3 are hinged, and the other end and positioning pipe 5 are hinged, for reducing the wind shake of contact net, bar
Middle part is the adjustable viscous damper in an internal restriction hole, 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 positioning ring 6, and the other end connects motor 7, the positioning for contact line；
Motor 7 is installed on 5 end of positioning pipe, rotates for controlling disk 8；
Disk 8, diameter 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；
Electric putter 10 is installed on inside wire casing 9, and end is fixedly connected with contact line, and there are the length for compensation between both ends
Degree is L1Contact line, wherein
Anemoclinograph 11 is installed on Horizontal Cantilever 1, for detecting wind direction and wind speed；
Controller 12, signal connect anemoclinograph 11, motor 7, damper rod 4, electric putter 10, for controlling disk 8, resistance
Buddhist nun's bar 4, electric putter 10；
Controller is configured as：
(1) wind speed v is obtained1With wind direction, and the angle α of wind direction Yu contact line direction is calculated；
(2) judge the size of the steering locking angle θ of α and contact line, wherein
(3) work as α>When θ, controlling the motor 7 on each column, rotating circular disc 8 is rotated toward contact line leeward side simultaneouslyTo the greatest extent
Possibly reduce the wind-engaging sectional area of contact line, while controlling electric putter 10 and extending L1；As 0≤α≤θ, control on each column
Motor 7 simultaneously rotating circular disc 8 toward contact line leeward side rotateTo make the contact line and wind between disk 8 two-by-two
To tending to be parallel, reduce wind to the action section product of contact line, and then reduce the windage of contact line, while controlling electric putter 10 and stretching
Long L2To compensate contact line length, wherein
(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, when
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 constant,
According to v1The damping of adjustment damper rod has supporting mechanism and the matched most suitable vibration resistance of wind-force, wherein the first damping
Power>Second damping force>Third damping force>Initial damping force.
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 adjustable supports of contact net, which is characterized in that it has the adjustable wind resistance of dynamic, can be with air rate adjustment
Supporting damping adjusts contact line angle according to wind direction.
2. a kind of electrifing railway contacting net system, including column, contact suspension and the adjustable supports for being used to support contact suspension,
Wherein the distance between two adjacent columnss is L, which is characterized in that the adjustable supports include：
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, for reducing the wind shake of contact net, is in the middle part of bar
The adjustable viscous damper in one internal restriction hole, 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 positioning ring, and the other end connects motor, the positioning for 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；
Electric putter is installed on inside wire casing, and end is fixedly connected with contact line, there are the length for compensation is L between both ends1's
Contact line, wherein
Anemoclinograph is installed on Horizontal Cantilever, for detecting wind direction and wind speed；
Controller, signal connect anemoclinograph, motor, damper rod, electric putter, push away for controlling disk, damper rod and electricity
Bar；
Controller is configured as：
(1) wind speed v is obtained1With wind direction, and the angle α of wind direction Yu contact line direction is calculated；
(2) judge the size of the steering locking angle θ of α and 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, while controlling electric putter elongation L1To compensate contact line length；As 0≤α≤θ, control
Rotating circular disc rotates motor on each column toward contact line leeward side simultaneouslyTo make the contact between disk two-by-two
Line tends to be parallel with wind direction, reduces wind to the action section product of contact line, and then reduce the windage of contact line, while controlling electricity and pushing away
Bar extends L2To compensate contact line length, wherein
(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 has supporting mechanism 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 |
|---|---|---|---|
| CN201810467735.3A CN108859869A (en) | 2018-05-16 | 2018-05-16 | A kind of adjustable supports of contact net |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810467735.3A CN108859869A (en) | 2018-05-16 | 2018-05-16 | A kind of adjustable supports of contact net |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108859869A true CN108859869A (en) | 2018-11-23 |
Family
ID=64333495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810467735.3A Pending CN108859869A (en) | 2018-05-16 | 2018-05-16 | A kind of adjustable supports of contact net |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108859869A (en) |
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 CN201810467735.3A patent/CN108859869A/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 * |
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Application publication date: 20181123 |