CN208656383U - A kind of device preventing power transmission circuit caused by windage failure - Google Patents
A kind of device preventing power transmission circuit caused by windage failure Download PDFInfo
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- CN208656383U CN208656383U CN201821500101.5U CN201821500101U CN208656383U CN 208656383 U CN208656383 U CN 208656383U CN 201821500101 U CN201821500101 U CN 201821500101U CN 208656383 U CN208656383 U CN 208656383U
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- conducting wire
- insulator
- windage
- power transmission
- transmission circuit
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Abstract
The utility model relates to a kind of devices for preventing power transmission circuit caused by windage failure, belong to electrical equipment technical field, it is connect including the suspension insulator and one end that are set to high pressure shaft tower the upper end side wall vertical with high pressure shaft tower, the supporting insulator that one end is connected by the lower end of fixed conducting wire fitting and suspension insulator, mechanical load buffer unit is provided between supporting insulator and fixed conducting wire fitting, mechanical load buffer unit includes shell, it is set to the intracorporal one group of buffer spring of shell, positioned at the connecting pin at buffer spring both ends, connecting pin has the movable freedom degree in shell and limits by limit assembly, two connecting pins respectively with supporting insulator, fixed conducting wire fitting connection, fixed conducting wire fitting is connect with conducting wire, can the impact force to wind carry out buffering shock-absorbing, enhance transmission line of electricity to the tolerance of instantaneous impact, reduce pendulum Dynamic amplitude prevents flashover appearance and harness damage.
Description
Technical field
The utility model belongs to electrical equipment technical field, the equipment being related in a kind of transmission line of electricity, and specifically one
Kind prevents the device of power transmission circuit caused by windage failure.
Background technique
The windage yaw electric discharge of transmission line of electricity is always to influence one of the problem of line security is run.Under normal operating conditions,
Sometimes transmission line of electricity will bear external overvoltage, interior overvoltage, the collective effect of power-frequency voltage simultaneously, in the lasting work of high wind in short-term
Under, the effect of wind load makes conducting wire generate windage yaw, drives suspension insulator to swing, causes live part and shaft tower structure
Part the air gap reduces, and live part is caused to discharge shaft tower component the air gap deficiency.In addition the meteorological conditions such as thunderstorm gale,
The degree of irregularity of electric field is increased, the distribution of Electric Field Characteristics and space charge around conducting wire is changed, and reduces air
Dielectric strength similarly increases the possibility that conducting wire discharges to tower body, once flashover will be caused by deviateing insulation range, windage yaw is dodged
Network will cause the tripping of route, strand breakage of circuit, seriously affect the normal work of transmission line of electricity.
Summary of the invention
Aiming at the problems existing in the prior art, the utility model provides a kind of dress for preventing power transmission circuit caused by windage failure
It sets, is able to suppress the swing of insulator conductor wire end, effectively reduce the generation of windage yaw discharge, prevent route from damaging.
The technical solution adopted in the utility model is:
A kind of device preventing power transmission circuit caused by windage failure, the suspension insulator including being set to high pressure shaft tower upper end close
Key is, further includes that one end side wall vertical with high pressure shaft tower is connect, one end is by fixed conducting wire fitting and suspension insulator
The supporting insulator of lower end connection is provided with mechanical load buffering and fills between the supporting insulator and fixed conducting wire fitting
It sets, the mechanical load buffer unit includes shell, is set to the intracorporal one group of buffer spring of shell, is located at buffer spring both ends
Connecting pin, connecting pin has movable freedom degree and to be limited in shell by limit assembly, two connecting pins respectively with support
Insulator, fixed conducting wire fitting connection, fixed conducting wire fitting are connect with conducting wire.
The supporting insulator is inclined to set, and the angle α between supporting insulator and horizontal plane is 2 ° -10 °.
The supporting insulator includes two insulating sublayer in angle setting, the intersection position of two insulating sublayers by
Mechanical load buffer unit is connect with fixed conducting wire fitting.
Insulating sublayer connect by one end turnbuckle with high pressure shaft tower, the other end by WS- socket-clevis eye with
Another insulating sublayer connection.
The supporting insulator, suspension insulator are rod insulator string, and the diameter of the plug of supporting insulator is
L, the diameter of mandrel of suspension insulator are that the ratio of D, D and L are 1/3-2/3.
Pre- wrapping wire, pre- wrapping wire one end and fixed conducting wire fitting are wound on the conducting wire with fixed conducting wire fitting junction
It is connected.
The limit assembly includes the stop collar being arranged on the inner wall of the housing and is set on the outer wall of connecting pin and limit
The matched protrusion of ring.
The beneficial effects of the utility model are: supporting insulator is set between suspension insulator lower end and high pressure shaft tower,
Supporting insulator forms suspension insulator and limits, and inhibits insulator conductor wire end to swing, prevents the generation of flashover；Pendency is exhausted
Edge is connect by fixed conducting wire fitting with supporting insulator, is provided between supporting insulator and fixed conducting wire fitting mechanical negative
Lotus buffer unit resists wind-force to the active force of cable, improves suspension insulator to the tolerance of instantaneous greater impact power, reduce
Amplitude of fluctuation；The mechanical load buffer unit includes shell, is set to the intracorporal one group of buffer spring of shell, is located at buffer spring two
The connecting pin at end, connecting pin has movable freedom degree and to be limited in shell by limit assembly, two connecting pins respectively with branch
Insulator, fixed conducting wire fitting connection are supportted, when there is biggish wind, route is generated with the wind with suspension insulator and waved, conducting wire gold
Tool generates pulling force to connecting pin, slows down the speed of impact dynamics and conducting wire swing in spring elongation or bending process, forms buffering,
By the limitation of limit assembly after connecting pin moves a certain distance, prevent the excessive deformation of spring from damaging and can not restore.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment 1.
Fig. 2 is mechanical load buffer unit.
Fig. 3 is the assembling schematic diagram of conducting wire Yu pre- wrapping wire.
Fig. 4 is the top view of supporting insulator in embodiment 2.
In attached drawing, 1, high pressure shaft tower, 2, suspension insulator, 3, fixed conducting wire fitting, 4, supporting insulator, 5, mechanical load
Buffer unit, 6, shell, 7, buffer spring, 8, connecting pin, 9, conducting wire, 10, insulating sublayer, 12, stop collar, 13, protrusion, 14,
Pre- wrapping wire.
Specific embodiment
A kind of device preventing power transmission circuit caused by windage failure, the suspension insulator 2 including being set to 1 upper end of high pressure shaft tower,
It is crucial that further including that one end side wall vertical with high pressure shaft tower 1 is connect, one end is by fixed conducting wire fitting 3 and suspension insulator 2
Lower end connection supporting insulator 4, it is slow that mechanical load is provided between the supporting insulator 4 and fixed conducting wire fitting 3
Flushing device 5, the mechanical load buffer unit 5 include shell 6, one group of buffer spring 7 being set in shell 6, are located at and delay
The connecting pin 8 at 7 both ends of spring is rushed, connecting pin 8 has the movable freedom degree in shell 6 and limits by limit assembly, and two connect
It connects end 8 to connect with supporting insulator 4, fixed conducting wire fitting 3 respectively, fixed conducting wire fitting 3 is connect with conducting wire 9.
Embodiment 1, as shown in Figure 1-3, suspension insulator 2 is vertically arranged, the angle between supporting insulator 4 and horizontal plane
α is 2 ° -10 °, in being obliquely installed obliquely, if the horizontally disposed impact force for being easy to increase horizontal direction of supporting insulator 4, therefore
Acclivitous state is set by supporting insulator 4, and the angle makes the stability of supporting insulator 4 stronger, facilitates
Suspension insulator conductor wire end is inhibited to shake.
Supporting insulator 4, suspension insulator 2 are rod insulator string, and the diameter of the plug of supporting insulator 4 is L, are hanged
The diameter of mandrel of insulator 2 of hanging down be the ratio of D, D and L is 1/3-2/3, plays the role of rigid support, and the ratio of D and L are preferred
1/2, thinner suspension insulator 2 is supported with thicker supporting insulator 4, stability of strutting system is good, can overcome the impact of big wind-force.
When there is wind to blow, the direction of blowing of conducting wire 9 and suspension insulator 2 with the wind generates swing, exhausted with conducting wire 9 and pendency
The connecting pin 8 that the fixation conducting wire fitting 3 that edge 2 connects connects it generates pulling force, and impact force is transferred to buffer spring 7, delays
It rushes spring 7 and generates bending deformation or stretching, absorb vibratory impulse energy, play the role of damping, inhibit vibration.Wherein connecting pin
8 limit by limit assembly, and limit assembly includes the stop collar 12 being arranged on 6 inner wall of shell and is set to 8 outer wall of connecting pin
Upper matched with stop collar 12 raised 13, the diameter of connecting pin 8 is less than the internal diameter of stop collar 12, while by supporting insulator 4
The pulling force to buffer spring 7, the bending of buffer spring 7, the impact force that wind is absorbed in drawing process, prevent suspension insulator 2 or
Conducting wire 9 is impaired, and stop collar 12 limits the protrusion 13 on connecting pin 8, connecting pin 8, prevents the excessive deformation of buffer spring 7, reduces
The amplitude of fluctuation of conducting wire 9 and suspension insulator 2.When external force disappears, buffer spring 7 is shunk, and drives conducting wire 9 and suspension insulator 2
It is resetted.
For the damage for being further reduced 9 connecting pin of conducting wire, be wound with pre- wrapping wire 14 on conducting wire 9, pre- 14 one end of wrapping wire with
Fixed conducting wire fitting 3 is connected, and the other end is wrapped in the connecting pin connecting on conducting wire 9 with fixed conducting wire fitting 3, prevent conducting wire 9 by
Power deformation, and then conducting wire 9 is reduced because damaging caused by excessive distortion or sharp bending, transmission line of electricity is further enhanced to instantaneous
The tolerance of greater impact power.
Embodiment 2 is the another embodiment of supporting insulator 4, as shown in figure 4, the supporting insulator 4 includes
Two insulating sublayer 10 in angle setting, two insulating sublayer 10 are V-shaped in the horizontal plane, mutually tense, further enhance
Tolerance of the transmission line of electricity to instantaneous greater impact power.The intersection position of two insulating sublayer 10 is by mechanical load buffer unit 5
It is connect with fixed conducting wire fitting 3, insulating sublayer 10 is connect by one end turnbuckle with high pressure shaft tower 1 respectively, two insulating sublayers
10 other end is connected by WS- socket-clevis eye, and turnbuckle can tense supporting insulator 4, and adjusting tightness；WS- bowls
Head hanging plate is able to bear biggish working stress, enhances the stability of transmission line of electricity.
Fixed conducting wire fitting 3 can fix solid conductor, double joint conducting wire, multiple conducting wires, use in embodiment 1, embodiment 2
Fixation conducting wire fitting 3 be conductors on quad bundled fitting.
The utility model relates to the device for preventing power transmission circuit caused by windage failure, can the impact force to wind carry out buffering suction
Shake, enhancing transmission line of electricity is to the tolerance of instantaneous impact, and by supporting insulator 4, mechanical load buffer unit 5 to leading
Line 9, suspension insulator 2 amplitude of fluctuation constrained, limited, reduce amplitude of fluctuation, prevent flashover occur and conducting wire 9 damage,
Keep line work in stable condition, there is longer service life.
Claims (7)
1. a kind of device for preventing power transmission circuit caused by windage failure, the suspension insulator including being set to high pressure shaft tower (1) upper end
(2), it is characterised in that: further include that one end side wall vertical with high pressure shaft tower (1) is connect, one end is by fixed conducting wire fitting (3)
The supporting insulator (4) being connect with the lower end of suspension insulator (2), the supporting insulator (4) and fixation conducting wire fitting (3)
Between be provided with mechanical load buffer unit (5), the mechanical load buffer unit (5) includes shell (6), is set to shell
(6) one group of buffer spring (7) in, the connecting pin (8) positioned at buffer spring (7) both ends, connecting pin (8) have in shell (6)
Interior movable freedom degree is simultaneously limited by limit assembly, two connecting pins (8) respectively with supporting insulator (4), fixed conducting wire fitting
(3) it connects, fixed conducting wire fitting (3) are connect with conducting wire (9).
2. a kind of device for preventing power transmission circuit caused by windage failure according to claim 1, it is characterised in that: the support
Insulator (4) is inclined to set, and the angle α between supporting insulator (4) and horizontal plane is 2 ° -10 °.
3. a kind of device for preventing power transmission circuit caused by windage failure according to claim 1, it is characterised in that: the support
Insulator (4) includes that two insulating sublayers in angle setting are sub (10), and the intersection position of two insulating sublayers (10) is negative by machinery
Lotus buffer unit (5) is connect with fixed conducting wire fitting (3).
4. a kind of device for preventing power transmission circuit caused by windage failure according to claim 3, it is characterised in that: the son is absolutely
Edge (10) is connect by one end turnbuckle with high pressure shaft tower (1), the other end is by WS- socket-clevis eye and another insulating sublayer
(10) it connects.
5. a kind of device for preventing power transmission circuit caused by windage failure according to claim 1, it is characterised in that: the support
Insulator (4), suspension insulator (2) are rod insulator string, and the diameter of the plug of supporting insulator (4) is L, pendency insulation
The diameter of mandrel of sub (2) is that the ratio of D, D and L are 1/3-2/3.
6. a kind of device for preventing power transmission circuit caused by windage failure according to claim 1, it is characterised in that: the conducting wire
(9) it is wound with pre- wrapping wire (14) on fixed conducting wire fitting (3) junction, pre- wrapping wire (14) one end and fixed conducting wire fitting (3)
It is connected.
7. a kind of device for preventing power transmission circuit caused by windage failure according to claim 1, it is characterised in that: the limit
Component includes that setting is matched in the stop collar (12) on shell (6) inner wall and being set on connecting pin (8) outer wall with stop collar (12)
The protrusion (13) of set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821500101.5U CN208656383U (en) | 2018-09-13 | 2018-09-13 | A kind of device preventing power transmission circuit caused by windage failure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821500101.5U CN208656383U (en) | 2018-09-13 | 2018-09-13 | A kind of device preventing power transmission circuit caused by windage failure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208656383U true CN208656383U (en) | 2019-03-26 |
Family
ID=65792721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821500101.5U Active CN208656383U (en) | 2018-09-13 | 2018-09-13 | A kind of device preventing power transmission circuit caused by windage failure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208656383U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110518531A (en) * | 2019-09-24 | 2019-11-29 | 国网新疆电力有限公司伊犁供电公司 | A kind of inclined flashover flexibility damping unit of power transmission line wind and implementation method |
| CN113964762A (en) * | 2021-08-19 | 2022-01-21 | 国网湖南省电力有限公司 | Overhead transmission line windage yaw tripping fault prevention and control device and application method |
-
2018
- 2018-09-13 CN CN201821500101.5U patent/CN208656383U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110518531A (en) * | 2019-09-24 | 2019-11-29 | 国网新疆电力有限公司伊犁供电公司 | A kind of inclined flashover flexibility damping unit of power transmission line wind and implementation method |
| CN113964762A (en) * | 2021-08-19 | 2022-01-21 | 国网湖南省电力有限公司 | Overhead transmission line windage yaw tripping fault prevention and control device and application method |
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