CN105703265B - 10kV line segment security isolation methods - Google Patents
10kV line segment security isolation methods Download PDFInfo
- Publication number
- CN105703265B CN105703265B CN201610113897.8A CN201610113897A CN105703265B CN 105703265 B CN105703265 B CN 105703265B CN 201610113897 A CN201610113897 A CN 201610113897A CN 105703265 B CN105703265 B CN 105703265B
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- China
- Prior art keywords
- cross
- montant
- electric power
- bar
- box body
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- 238000002955 isolation Methods 0.000 title claims abstract description 39
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 238000012423 maintenance Methods 0.000 claims description 14
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 210000003462 vein Anatomy 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 238000005192 partition Methods 0.000 abstract description 5
- 238000009413 insulation Methods 0.000 abstract description 4
- 239000012212 insulator Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/28—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member
- H01H9/281—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member making use of a padlock
Landscapes
- Electric Cable Installation (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention discloses a kind of 10kV line segments security isolation method, the present invention comprises the following steps：（1）The disconnecting switch of power transmission cable receiving end is disconnected, the isolation knife of disconnecting switch is rotated down disengaging movable contact；（2）The isolation knife of disconnecting switch is pinned using line segment isolation knife current misdelivery proof locking unit, line segment isolation knife current misdelivery proof locking unit includes the cross body of rod of insulation, the upper end of the montant of the cross body of rod is provided with hook, the lower end of the montant of the cross body of rod connects locking anchor ear, the hook of locking unit is hooked on cross-arm, the cross bar of the cross body of rod is in the top of all isolation knifes, anchor ear is locked on electric power bar.Line segment partition method of the present invention causes the disconnecting switch of line segment to pin isolation knife upon opening, and security is good.
Description
Technical field
The present invention relates to a kind of power line section partition method, more particularly to a kind of 10kV line segments security isolation method.
Background technology
Currently, 10kV power line sections maintenance is taken and pulls open line segment isolation knife to isolate the measure of line segment, exist drawback be
In the case of allowing without work director, staff's power transmission privately.Fatal personnel are easily caused in such cases and are set
Standby injury.
The content of the invention
The technical problem to be solved in the present invention is：There is provided a kind of security good 10kV line segment security isolation methods.
In order to solve the above-mentioned technical problem, a kind of 10kV line segments security isolation method of the invention, described line segment is erection
Cross-arm is provided with power transmission cable between at least two electric power bars, electric power bar, power transmission cable is arranged on by disconnecting switch
On cross-arm, it is characterised in that：Comprise the following steps：（1）Disconnect power transmission cable receiving end disconnecting switch, make disconnecting switch every
Disengaging movable contact is rotated down from knife；（2）The isolation knife of disconnecting switch, line are pinned using line segment isolation knife current misdelivery proof locking unit
Section isolation knife current misdelivery proof locking unit includes the cross body of rod of insulation, and the upper end of the montant of the cross body of rod is provided with hook,
The lower end of the montant of the cross body of rod connects locking anchor ear, and the hook of locking unit is hooked on cross-arm, makes the cross body of rod
Cross bar is in the top of all isolation knifes, and anchor ear is locked on electric power bar.
In order to improve the reliability of locking unit, the lower end of the montant of described line segment isolation knife current misdelivery proof locking unit is set
There is the connecting hole in the montant of insertion in the radial direction of montant, anchor ear is through in connecting hole, and the lower end inside of described montant is set
Stability maintenance device is equipped with, described stability maintenance device includes stud, swivel nut and stability maintenance block, and stability maintenance block includes box body, the leading flank of box body
For arcwall face corresponding with the cylinder of electric power bar, interior set of box body is provided with multiple identical eccentric wheels, the leading flank of box body
Multiple adjustment holes, each eccentric wheel is to that should have an adjustment hole, and some exposes eccentric wheel during rotating one week
Outside corresponding adjustment hole, the height that adjustment hole is exposed at the most path position of each eccentric wheel is identical, and aforementioned height is 2-5mm, partially
Anti-slip veins are provided with heart wheel, all eccentric wheels are arranged in two rows, the axial direction of eccentric wheel and box on the leading flank of box body
The leading flank of body it is axially vertical, one end of stud is mutually welded with the medial surface of montant lower end, and stud is vertical with montant, box body
One end of trailing flank and swivel nut is mutually fixed, and the other end of stud is threadedly coupled with the other end of swivel nut, the upper end of described montant
Provided with the hook described in two, link up with as reverse U shape, two hooks are separated at intervals.
In order to improve the efficiency of isolated operation, the step（2）Comprise the following steps：（2-1）First by the hook on montant
Hang over cross-arm to leave on the position of electric power bar certain distance, montant is kept vertical, rotate eccentric wheel, make all eccentric wheels most
Adjustment hole is exposed at path position, and a straight horizon bar is pasted on the top surface of box body, where eccentric wheel most path position with
The coaxial face of cylinder of the leading flank of box body is the second arcwall face, and horizon bar and the second arcwall face are tangent, and horizon bar and swivel nut
Axis is vertical, rotary threaded sleeve integer circle, until horizon bar is attached on electric power bar；（2-2）Hook is removed, then hook is hung again
On cross-arm, and make two hook offices in the both sides of cross-arm and electric power bar tie point, and cross bar is in all isolation knifes
Top, box body presses close to electric power bar, and the most path position of all eccentric wheels is contacted with electric power bar；（2-3）Anchor ear is bound in electric power
On bar, and lock.
The beneficial effects of the invention are as follows：The cross bar for the locking unit that the present invention is used can block the isolation knife of disconnecting switch,
The contact of transposing shake-up thereon is prevented, so that disconnecting switch is remained off, the security of operating personnel, and this is improved
Invention locking unit is provided with lock, and key is taken care of by director, after line segment construction terminates and taken safety measures, by the director that works
Operating personnel are arranged to remove locking unit so that the use of locking unit is controllable, and security is good.Line segment partition method of the present invention causes line
The disconnecting switch of section pins isolation knife upon opening, and isolation knife will not be misused contact movable contact.Under external force, anchor ear
When moving up, eccentric wheel, which is rotated, makes anchor ear tensioner, so as to prevent anchor ear from moving up, so as to prevent hook from coming off, so that cross bar energy
Operating position is maintained at, security is good.
Brief description of the drawings
Fig. 1 is the main structure diagram of use state of the present invention；
Fig. 2 regards schematic diagram for Fig. 1 right side；
Fig. 3 is the complete section structural representation of montant and stability maintenance device；
Fig. 4 is the top view of use state of the present invention（Overlooked from electric power bar middle height）；
Fig. 5 is the structural representation enlarged drawing of part 11 of the present invention；
Structural representation when Fig. 6 is use level bar capturing position of the present invention；
Fig. 7 is Fig. 6 partial enlarged drawing；
In figure：1st, cross-arm, 2, longeron, 3, insulator, 4, cross bar, 5, isolation knife, 6, four-way connection, 7, montant, 8, anchor ear,
9th, lock, 10, electric power bar, 11, hook, 12, connecting hole, 13, stud, 14, swivel nut, 15, box body, 16, eccentric wheel, 17, horizon bar,
18th, the second arcwall face.
Embodiment
Example one
A kind of specific embodiment as depicted in figs. 1 and 2, figure middle conductor isolation knife current misdelivery proof locking unit includes insulation
The cross body of rod, the upper end of the montant 7 of the cross body of rod is provided with hook 11, and the lower end connection of the montant of the cross body of rod is locking
9 anchor ear 10.Anchor ear 10 is used to bundle electric power bar 10.The montant 7 and cross bar 4 of the cross body of rod are connected by four-way connection 6, are erected
Bar 7 can be formed by plurality of rods body concatenation.
Example two
This specific embodiment has made further liter of paper on the basis of example one, as shown in figure 5, its hook 11 has two,
Hook 11 is reverse U shape, and two hooks 11 are separated at intervals.Cross-arm 1 and the tie point of electric power bar 10 can be hung in when using
Both sides, so, can make montant 7 press close to electric power bar 10 as far as possible.
As shown in Figure 3 and Figure 4, the lower end of montant 7 is provided with the connecting hole in the montant of insertion in the radial direction 7 of montant 7
12, anchor ear 8 is through in connecting hole 12, and the lower end inside of described montant 7 is provided with stability maintenance device, and described stability maintenance device includes
Stud 13, swivel nut 14 and stability maintenance block, stability maintenance block include box body 15, and the leading flank of box body 15 is corresponding with the cylinder of electric power bar 10
Set in arcwall face, box body 15 on multiple identical eccentric wheels 16, the leading flank of box body 15 and be provided with multiple adjustment holes, it is each inclined
16 pairs of heart wheel should have an adjustment hole, and some exposes corresponding adjustment hole to eccentric wheel 16 during rotating one week
Outside, the most path position of each eccentric wheel 16 expose adjustment hole height it is identical, aforementioned height be on 2-5mm, eccentric wheel set
There are anti-slip veins, all eccentric wheels 16 are arranged in two rows, axial direction and the box body 15 of eccentric wheel 16 on the leading flank of box body 15
Leading flank it is axially vertical, the medial surface of one end and the lower end of montant 7 of stud 13 is mutually welded, and stud 13 is vertical with montant 7, box
One end of the trailing flank of body 15 and swivel nut 14 is mutually fixed, and the other end of stud 13 is threadedly coupled with the other end of swivel nut 14.
Line segment partition method, line segment is the power transmission cable being erected between at least two electric power bars 10, and one end of line segment is
Receiving end, the other end of line segment is to be provided with cross-arm 1 on sending end, electric power bar 10, and power transmission cable is arranged on by disconnecting switch
On cross-arm 1, insulator 3 is provided between disconnecting switch and cross-arm 1, the movable contact and stationary contact of disconnecting switch are separately positioned on two
It is downward that control isolation knife is provided with the bottom of individual insulator 3, the isolation knife connection movable contact and stationary contact of disconnecting switch, cross-arm
Multiple line segments, the insulation of the disconnecting switch of each line segment can be set on the controlling organization for departing from movable contact, a cross-arm 1 by rotating
Son is fixed on a longeron 2, and longeron 2 is fixed on cross-arm 1 again.This line segment partition method is on the basis of foregoing prior art
Use.
This method comprises the following steps：
（1）Disconnecting switch of the power transmission cable by electric square end is disconnected, the isolation knife 5 of disconnecting switch is rotated down disengaging and moves tactile
Point；
（2）The isolation knife 5 of disconnecting switch is pinned using the line segment isolation knife current misdelivery proof locking unit of specific embodiment two：
（2-1）The hook 11 on montant 7 first is hung over into cross-arm 1 to leave on the position of the certain distance of electric power bar 10, makes montant
7 keep vertical, rotate eccentric wheel 16, the most path position of all eccentric wheels 16 is exposed adjustment hole, as shown in Figure 6 and Figure 7,
A straight horizon bar 17 is pasted on the top surface of box body 15, it is same with the leading flank of box body 15 where the most path position of eccentric wheel 16
The face of cylinder of axle is the second arcwall face 18, and horizon bar 17 and the second arcwall face 18 are tangent, and the axis of horizon bar 17 and swivel nut 14
Vertically, the integer circle of rotary threaded sleeve 14（The purpose of integer circle is that the leading flank for making box body keeps position corresponding with electric power bar）, directly
It is attached to horizon bar 17 on electric power bar 10；
（2-2）Hook 11 is removed, then hook 11 is hung on cross-arm 1 again, and makes two 11 offices of hook in cross-arm 1
With the both sides of the tie point of electric power bar 10, and cross bar 4 is set to be in the tops of all isolation knifes 5, box body 15 presses close to electric power bar 10, owns
The most path position of eccentric wheel 16 is contacted with electric power bar 10；
（2-3）Anchor ear 8 is bound on electric power bar 10, and locks lock 9, anchor ear 8 can be that two ends carry multiple lockholes
Band iron, the electric power bar of applicable different-diameter, after anchor ear 8 is bound on electric power bar, two ends are overlapping, and extension is locked in overlapping hole
Lock.Anchor ear 8 can also be fixing band of the two ends with journal stirrup, be adapted to the electric power bar of specific dimensions, and lock pins two journal stirrups.
Claims (2)
1. a kind of 10kV line segments security isolation method, described line segment is the power transmission line being erected between at least two electric power bars
Cross-arm is provided with cable, electric power bar, power transmission cable is arranged on cross-arm by disconnecting switch, it is characterised in that：Including following step
Suddenly：（1）The disconnecting switch of power transmission cable receiving end is disconnected, the isolation knife of disconnecting switch is rotated down disengaging movable contact；（2）Make
The isolation knife of disconnecting switch is pinned with line segment isolation knife current misdelivery proof locking unit, line segment isolation knife current misdelivery proof locking unit includes exhausted
The cross body of rod of edge, the upper end of the montant of the cross body of rod is provided with hook, the lower end connect band of the montant of the cross body of rod
The anchor ear of lock, the hook of locking unit is hooked on cross-arm, the cross bar of the cross body of rod is in the top of all isolation knifes, will be embraced
Hoop is locked on electric power bar, and the lower end of the montant of described line segment isolation knife current misdelivery proof locking unit is provided with the radial direction side of montant
The connecting hole of upward insertion montant, anchor ear is through in connecting hole, and the lower end inside of described montant is provided with stability maintenance device, described
Stability maintenance device include stud, swivel nut and stability maintenance block, stability maintenance block includes box body, and the leading flank of box body is the cylinder phase with electric power bar
Set in the arcwall face answered, box body on multiple identical eccentric wheels, the leading flank of box body and be provided with multiple adjustment holes, it is each eccentric
Wheel is to that should have an adjustment hole, and some exposes outside corresponding adjustment hole eccentric wheel during rotating one week, each
The height that adjustment hole is exposed at the most path position of eccentric wheel is identical, and aforementioned height is to be provided with anti-slip veins on 2-5mm, eccentric wheel,
All eccentric wheels are arranged in two rows on the leading flank of box body, and the axial direction of the axial direction of eccentric wheel and the leading flank of box body is hung down
Directly, the medial surface of one end of stud and montant lower end is mutually welded, and stud is vertical with montant, the trailing flank of box body and one end of swivel nut
Mutually fixed, the other end of stud is threadedly coupled with the other end of swivel nut, and the upper end of described montant is provided with the hook described in two,
Link up with as reverse U shape, two hooks are separated at intervals.
2. 10kV line segments security isolation method according to claim 1, it is characterised in that：The step（2）Including as follows
Step：（2-1）First the cross-arm that hangs on montant is left on the position of electric power bar certain distance, montant is kept vertical,
Eccentric wheel is rotated, the most path position of all eccentric wheels is exposed adjustment hole, a straight level is pasted on the top surface of box body
Bar, the face of cylinder coaxial with the leading flank of box body where eccentric wheel most path position is the second arcwall face, horizon bar and second
Arcwall face is tangent, and horizon bar is vertical with the axis of swivel nut, rotary threaded sleeve integer circle, until horizon bar is attached on electric power bar；
（2-2）Hook is removed, then hook is hung on cross-arm again, and makes two hook offices in cross-arm and electric power bar tie point
Both sides, and cross bar is in the tops of all isolation knifes, box body presses close to electric power bar, the most path position of all eccentric wheels and electric power
Bar is contacted；（2-3）Anchor ear is bound on electric power bar, and locked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610113897.8A CN105703265B (en) | 2016-03-01 | 2016-03-01 | 10kV line segment security isolation methods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610113897.8A CN105703265B (en) | 2016-03-01 | 2016-03-01 | 10kV line segment security isolation methods |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105703265A CN105703265A (en) | 2016-06-22 |
| CN105703265B true CN105703265B (en) | 2017-08-25 |
Family
ID=56223627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610113897.8A Active CN105703265B (en) | 2016-03-01 | 2016-03-01 | 10kV line segment security isolation methods |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105703265B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2119054C (en) * | 1993-03-16 | 2000-06-20 | Michael Bell | System and method for extending a safety line over an electrical transmission tower |
| CN103021719A (en) * | 2012-12-03 | 2013-04-03 | 江苏省如高高压电器有限公司 | Ice-melting isolating switch |
| CN204289210U (en) * | 2014-12-03 | 2015-04-22 | 川铁电气（天津）集团有限公司 | Isolating switch ground cutter Unclosing structure |
| CN204651790U (en) * | 2015-06-12 | 2015-09-16 | 常州信息职业技术学院 | Electric pole climbs workbench automatically |
-
2016
- 2016-03-01 CN CN201610113897.8A patent/CN105703265B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2119054C (en) * | 1993-03-16 | 2000-06-20 | Michael Bell | System and method for extending a safety line over an electrical transmission tower |
| CN103021719A (en) * | 2012-12-03 | 2013-04-03 | 江苏省如高高压电器有限公司 | Ice-melting isolating switch |
| CN204289210U (en) * | 2014-12-03 | 2015-04-22 | 川铁电气（天津）集团有限公司 | Isolating switch ground cutter Unclosing structure |
| CN204651790U (en) * | 2015-06-12 | 2015-09-16 | 常州信息职业技术学院 | Electric pole climbs workbench automatically |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105703265A (en) | 2016-06-22 |
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