CN108638918A - A kind of electrified contacting nets system - Google Patents
A kind of electrified contacting nets system Download PDFInfo
- Publication number
- CN108638918A CN108638918A CN201810466869.3A CN201810466869A CN108638918A CN 108638918 A CN108638918 A CN 108638918A CN 201810466869 A CN201810466869 A CN 201810466869A CN 108638918 A CN108638918 A CN 108638918A
- Authority
- CN
- China
- Prior art keywords
- contact line
- wind
- damping force
- damper rod
- disk
- 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.)
- Pending
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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
Abstract
The invention belongs to electrified track field of traffic, more particularly to a kind of support of electrified contacting nets, including Horizontal Cantilever, cantilever support, inclined cantilever, positioning pipe, locating ring, damper rod, disk, wire casing, strip shaped air sac, air pump, 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 support 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；
Strip shaped air sac is set in wire casing, and both ends are fixedly connected with the contact line in wire casing, for reducing contact line pair
The impact of wire casing；
Air pump is connected to air bag, for air bag inflation/deflation to adjust the air pressure in air bag；
Anemoclinograph is installed on Horizontal Cantilever, for detecting wind direction and wind speed；
Controller, signal connects anemoclinograph, motor, damper rod, for controlling disk, damper rod and air pump；
Controller is configured as：
(1) wind speed v is obtained1With wind direction, and 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 increases damping force to the first damping force, together
When control air pump augmented airbag atmospheric pressure value be the first atmospheric pressure value to reduce impact of the contact line to wire casing, work as v1≤v0When, control resistance
Buddhist nun's bar increases damping force to the second damping force；In disk rotationalUnder the premise of, work as v1＞ v0, control damper rod increasing
Big damping force is to third damping force, while it is the second atmospheric pressure value to control air pump augmented airbag atmospheric pressure value, works as v1≤v0When, control resistance
Buddhist nun's bar keeps initial damping force constant, according to v1It is matched most suitable with wind-force that the damping of adjustment damper rod makes supporting mechanism have
Vibration resistance, wherein the first damping force>Third damping force>Second damping force>Initial damping force, the first atmospheric pressure value>Second air pressure
Value.
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 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；
Strip shaped air sac 10 is set in wire casing, and both ends are fixedly connected with the contact line in wire casing, for reducing contact line
Impact to wire casing；
Air pump 11 is connected to air bag 12, for 12 inflation/deflation of air bag to adjust the air pressure in air bag 12；
Anemoclinograph 12 is installed on Horizontal Cantilever 1, for detecting wind direction and wind speed；
Controller 13, signal connects anemoclinograph 12, motor 7, damper rod 4, gentle for controlling disk 8, damper rod 4
Pump 11；
Controller 13 is configured as：
(1) wind speed v is obtained1With wind direction, and 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 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；As 0≤α≤θ, control the motor 7 on each column simultaneously rotating circular disc 8 toward connecing
Touch line leeward side rotationTo keep the contact line between disk 8 two-by-two parallel with wind direction, reduce wind to contact line
Action section accumulates, and then reduces 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 4 increases damping force to the first damping force, together
When 10 atmospheric pressure value of control air pump 11 augmented airbag be the first atmospheric pressure value to reduce impact of the contact line to wire casing 9, work as v1≤v0When,
It controls damper rod 4 and increases damping force to the second damping force；In disk rotationalUnder the premise of, work as v1>v0, control resistance
Buddhist nun's bar 4 increases damping force to third damping force, while it is the second atmospheric pressure value to control 11 augmented airbag of air pump, 10 atmospheric pressure value, works as v1≤
v0When, control damper rod 4 keeps initial damping force constant, according to v1The damping of adjustment damper rod makes supporting mechanism have and wind-force
Matched most suitable vibration resistance, wherein the first damping force>Third damping force>Second damping force>Initial damping force, the first gas
Pressure value>Second atmospheric pressure value.
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 support of electrified contacting nets, which is characterized in that it has the adjustable wind resistance of dynamic, can be with wind speed tune
Whole supporting damping adjusts contact line angle according to wind direction.
2. a kind of electrified contacting nets system, including column, contact suspension and the supporting mechanism for being used to support contact suspension, wherein
Distance between 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；
Strip shaped air sac is set in wire casing, and both ends are fixedly connected with the contact line in wire casing, for reducing contact line to wire casing
Impact；
Air pump is connected to air bag, for air bag inflation/deflation to adjust the air pressure in air bag；
Anemoclinograph is installed on Horizontal Cantilever, for detecting wind direction and wind speed；
Controller, signal connects anemoclinograph, motor, damper rod, for controlling disk, damper rod and air pump；
Controller is configured as：
(1) wind speed v is obtained1With wind direction, and 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, controls simultaneously
Air pump augmented airbag atmospheric pressure value be the first atmospheric pressure value to reduce impact of the contact line to wire casing, work as v1≤v0When, control damper rod increases
Big damping force is to the second damping force；In disk rotationalUnder the premise of, work as v1>v0, control damper rod increase damping force
To third damping force, while it is the second atmospheric pressure value to control air pump augmented airbag atmospheric pressure value, works as v1≤v0When, control damper rod is kept
Initial damping force is constant, according to v1The damping of adjustment damper rod makes supporting mechanism have and the matched most suitable antivibration of wind-force
Property, wherein the first damping force>Third damping force>Second damping force>Initial damping force, the first atmospheric pressure value>Second atmospheric pressure value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810466869.3A CN108638918A (en) | 2018-05-16 | 2018-05-16 | A kind of electrified contacting nets system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810466869.3A CN108638918A (en) | 2018-05-16 | 2018-05-16 | A kind of electrified contacting nets system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108638918A true CN108638918A (en) | 2018-10-12 |
Family
ID=63756088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810466869.3A Pending CN108638918A (en) | 2018-05-16 | 2018-05-16 | A kind of electrified contacting nets system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108638918A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116605101A (en) * | 2023-07-20 | 2023-08-18 | 中铁建电气化局集团轨道交通器材有限公司 | Elastic damping positioning wire clamp |
-
2018
- 2018-05-16 CN CN201810466869.3A patent/CN108638918A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116605101A (en) * | 2023-07-20 | 2023-08-18 | 中铁建电气化局集团轨道交通器材有限公司 | Elastic damping positioning wire clamp |
| CN116605101B (en) * | 2023-07-20 | 2023-09-12 | 中铁建电气化局集团轨道交通器材有限公司 | Elastic damping positioning wire clamp |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181012 |