CN110336217A - A kind of operational method for monolithic insulator any among charged for replacement 550kN large-tonnage strain insulator - Google Patents
A kind of operational method for monolithic insulator any among charged for replacement 550kN large-tonnage strain insulator Download PDFInfo
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- CN110336217A CN110336217A CN201910612962.5A CN201910612962A CN110336217A CN 110336217 A CN110336217 A CN 110336217A CN 201910612962 A CN201910612962 A CN 201910612962A CN 110336217 A CN110336217 A CN 110336217A
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- insulator
- digital display
- screw rod
- suspension
- replacement
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- 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
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Abstract
The present invention relates to power transmission network service technique field, specially a kind of operational method for monolithic insulator any among charged for replacement 550kN large-tonnage strain insulator, including block before closed fixture, card, digital display mechanical lead screw, digital display hydraulic screw rod after closed fixture.This is used to replace among 550kN large-tonnage strain insulator in the operational method of any monolithic insulator, by tightening digital display hydraulic screw rod, it adjusts digital display power transmission network and overhauls screw rod, it is stuck on suspension insulator steel cap after two panels closed fixture, make that it is equally loaded, it is transferred to power equivalence suffered by suspension insulator point partly on digital display hydraulic screw rod and digital display mechanical-hydraulic screw rod, operating personnel takes the connection for taking off insulator to be changed Yu other suspension insulators, complete more changing jobs for insulator to be changed, in entire replacement process, halve the stress of suspension insulator, it is bad to solve large-tonnage steel cap convex edge stress, the undesirable 550kN large-tonnage insulator of technique cannot be using the problem of monolithic insulator any among live-line replacing.
Description
Technical field
The present invention relates to power transmission network service technique fields, specially a kind of in charged for replacement 550kN large-tonnage strain insulator
Between any monolithic insulator operational method.
Background technique
The glass insulator that super-pressure, UHV transmission line generally use large-tonnage at present is held as strain insulator
By the tension of large-section lead.Current Domestic to charged for replacement large-tonnage monolithic insulator study mainly for technique it is high into
Mouth large-tonnage insulator.The insulator receiving wire tension of 550kN large-tonnage is larger, is replaced using traditional closed fixture,
More demanding to the technique of insulator, the necessary rule of flange of preceding the contacted steel cap of card is unified and stress is good.To technique difference
Insulator cannot then be completed to replace, but insulator steel cap is poured by steel, and steel cap flange is difficult rule unification, by
Power is good.550kN large-tonnage insulator undesirable for technique, using traditional work method, during charged for replacement, insulation
Sub- stress is excessive, will cause bursting for insulator steel cap.In consideration of it, it is proposed that a kind of be used for charged for replacement 550kN large-tonnage
The operational method of any monolithic insulator among strain insulator.
Summary of the invention
The purpose of the present invention is to provide one kind for monolithic insulator any among charged for replacement 550kN large-tonnage strain insulator
Operational method, to solve 550kN large-tonnage insulator undesirable for technique mentioned above in the background art, using tradition
Operational method, during charged for replacement, insulator stress is excessive, will cause the problem of bursting of insulator steel cap.
To achieve the above object, the present invention provides a kind of for monolithic any among charged for replacement 550kN large-tonnage strain insulator
The operational method of insulator, includes the following steps:
S1, card one end before closed fixture is stuck on the boss on suspension insulator steel cap；
S2, it will block after two panels closed fixture and be separately mounted on suspension insulator；
S3, the other end blocked before closed fixture is connected into digital display hydraulic screw rod；
S4, digital display hydraulic screw rod is connected into parallel connector；
S5, card and digital display mechanical lead screw after closed fixture are separately connected by parallel connector；
S6, block after digital display mechanical lead screw is connected closed fixture；
S7, tightening digital display hydraulic screw rod, adjust digital display mechanical lead screw, are stuck in suspension insulator steel cap after two panels closed fixture
On boss, make its producing balanced forces, ensure the stress value phase of digital display hydraulic screw rod and digital display mechanical lead screw in the course of work in real time
Deng being transferred to power suffered by suspension insulator on digital display hydraulic screw rod, operating personnel, which takes, takes off insulator to be changed and other suspension types
More changing jobs for insulator to be changed is completed in the connection of insulator.
Preferably, the both ends blocked before the closed fixture are separately connected digital display hydraulic screw rod, digital display hydraulic screw rod it is another
End connects parallel connector, blocks after being equipped with multiple closed fixtures between the parallel connector in two sides, another connection digital display machine of parallel connector
Tool screw rod passes through insulator steel cap between multiple suspension insulators respectively and connects.
Preferably, being equipped with boss at the top of the insulator steel cap, locating slot, locating slot are offered at the top of boss
Side setting offers sliding slot, and the inside of boss is also provided with groove.
Preferably, the locating slot is connected with sliding slot.
Preferably, the bottom of the suspension insulator is equipped with card column, the bottom of card column is integrally formed with chuck.
Preferably, the chuck is in a circular table shape.
Preferably, the chuck and groove are engaged by clamping.
Compared with prior art, beneficial effects of the present invention: this is used for any among charged for replacement 550kN large-tonnage strain insulator
In the operational method of monolithic insulator, by tightening digital display hydraulic screw rod, adjustment digital display power transmission network overhauls screw rod, two panels closed fixture
It is stuck on suspension insulator steel cap afterwards, makes that it is equally loaded, power equivalence suffered by suspension insulator point is made partly to be transferred to digital display
On hydraulic screw rod and digital display mechanical-hydraulic screw rod, operating personnel takes the connection for taking off insulator to be changed Yu other suspension insulators, complete
At more changing jobs for insulator to be changed, in entire replacement process, halve the stress of suspension insulator, it is convex to solve large-tonnage steel cap
Bad along stress, the undesirable 550kN large-tonnage insulator of technique cannot be using monolithic insulator any among live-line replacing
Problem, improve power supply reliability.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is suspension insulator structural schematic diagram of the invention；
Fig. 3 is insulator steel cap structural schematic diagram of the invention；
Fig. 4 is card column structural schematic diagram of the invention.
In figure: 1, blocking before closed fixture；2, block after closed fixture；3, digital display hydraulic screw rod；4, digital display mechanical lead screw；5, it connects in parallel
Head；6, suspension insulator；61, card column；62, chuck；7, insulator steel cap；71, boss；72, locating slot；73, sliding slot；74, recessed
Slot.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
The description present invention and simplified description, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, with spy
Fixed orientation construction and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
Embodiment 1
The present invention provides a kind of operator for monolithic insulator any among charged for replacement 550kN large-tonnage strain insulator
Method, as shown in Figure 1, including the following steps:
S1, will block on the boss 71 that 1 one end is stuck on suspension insulator steel cap 7 before closed fixture；
S2, card 2 after two panels closed fixture is separately mounted on suspension insulator 6；
S3, the other end of card 1 before closed fixture is connected into digital display hydraulic screw rod 3；
S4, digital display hydraulic screw rod 3 is connected into parallel connector 5；
S5, card 2 and digital display mechanical lead screw 4 after closed fixture are separately connected by parallel connector 5；
S6, block 2 after digital display mechanical lead screw 4 is connected closed fixture；
S7, tightening digital display hydraulic screw rod 3, adjust digital display mechanical lead screw 4, and card 2 blocks suspension insulator after two panels closed fixture
Boss 71 on steel cap 7 makes its producing balanced forces, ensures digital display hydraulic screw rod 3 and digital display mechanical lead screw 4 in the course of work in real time
Stress value is equal, is transferred to power suffered by suspension insulator 6 on digital display hydraulic screw rod 3, and operating personnel, which takes, takes off insulator 6 to be changed
With the connection of other suspension insulators 6, more changing jobs for suspension insulator 6 is completed.
The both ends of card 1 are separately connected digital display hydraulic screw rod 3 before closed fixture, and the other end connection of digital display hydraulic screw rod 3 is parallel
Connector 5 blocks 2 after being equipped with multiple closed fixtures between the parallel connector 5 in two sides, another connection digital display mechanical lead screw of parallel connector 5
4, it is connected respectively by insulator steel cap 7 between multiple suspension insulators 6.
Block 1 in the present embodiment, before closed fixture to be stuck on first suspension insulator 6 of insulator front end to be changed, and enclosed
One end of card 1 connects digital display hydraulic screw rod 3 before card, drives card 1 before closed fixture will be before insulator to be changed by digital display hydraulic screw rod 3
First suspension insulator 6 at end is collapsed to insulator side to be changed, and since insulator itself is tapered, to insulation to be changed
Sub- side can increasingly tighten when collapsing, it is ensured that stable structure.
Further, 2 first suspension insulator 6 and third suspension type for being stuck in insulator rear end to be changed are blocked after closed fixture
On insulator 6, and parallel connector 5 connects card 2 and digital display mechanical lead screw 4 after closed fixture respectively, adjusts digital display mechanical lead screw 4, makes it
Producing balanced forces ensure that digital display hydraulic screw rod 3 is equal with the stress value of digital display mechanical lead screw 4 in the course of work in real time, keep suspension type exhausted
Power suffered by edge 6 is transferred on digital display hydraulic screw rod 3, and operating personnel, which takes, takes off insulator to be changed and other suspension insulators 6
Connection, completion, which takes, takes off more changing jobs for insulator to be changed.
It is worth noting that digital display hydraulic screw rod 3 and digital display mechanical lead screw 4 involved in the present embodiment are existing skill
Art is not related to the improvement to 4 internal structure module of digital display hydraulic screw rod 3 and digital display mechanical lead screw, in use, operation
Personnel only need to observe the stress numerical value shown in digital display hydraulic screw rod 3 and digital display mechanical lead screw 4, ensure digital display hydraulic screw rod 3
It is equal with the stress value shown in digital display mechanical lead screw 4.
Embodiment 2
As second of embodiment of the invention, dismounted for the ease of multiple suspension insulators 6, the present invention is also to exhausted
Edge steel cap 7 makes improvements, and as a kind of preferred embodiment, as shown in figs 2-4, the top of insulator steel cap 7 is equipped with convex
Platform 71, the top of boss 71 offer locating slot 72, and the setting of 72 side of locating slot offers sliding slot 73, and the inside of boss 71 is also opened
Equipped with groove 74, the bottom of suspension insulator 6 is equipped with card column 61, and the bottom of card column 61 is integrally formed with chuck 62.
In the present embodiment, locating slot 72 is connected with sliding slot 73, and card column 61 and sliding slot 73 are slidably matched, and is convenient for card column 61
It is slid into locating slot 72 from 73 side of sliding slot.
Further, chuck 62 is in a circular table shape, and the size that the size of chuck 62 and groove 74 block is adapted, convenient for that will block
Disk 62 is caught in groove 74, so that chuck 62 is fixed in groove 74, realizes the connection of suspension insulator 6.
Specifically, card column 61 and chuck 62 are an integral molding structure, it is completely embedded convenient for card column 61 and chuck 62, leads to simultaneously
It crosses card column 61 and is able to drive the movement of chuck 62.
The specific work of operational method for monolithic insulator any among charged for replacement 550kN large-tonnage strain insulator of the invention
Make principle are as follows: tightening digital display hydraulic screw rod 3 drives card 1 before closed fixture mobile, blocks 1 band before closed fixture by digital display hydraulic screw rod 3
First suspension insulator 6 for moving insulator front end to be changed is collapsed to insulator side to be changed and clamping, at this time insulator to be changed
The card column 61 of first 6 bottom of suspension insulator in front end is slided in the locating slot 72 at the top of insulator to be changed, so as to be changed exhausted
The chuck 62 of first 6 bottom of suspension insulator in edge front end is supported to 74 bottom of groove at the top of insulator to be changed, is adjusted simultaneously
Integer shows mechanical lead screw 4, and card 2 blocks the boss 71 on suspension insulator steel cap 7 after two panels closed fixture, makes its producing balanced forces, work
Ensure that digital display hydraulic screw rod 3 is equal with the stress value of digital display mechanical lead screw 4 in real time during making, makes suffered by suspension insulator 6
Power is transferred on digital display hydraulic screw rod 3, and operating personnel takes the connection for taking off insulator to be changed Yu other suspension insulators 6, complete to
Change more changing jobs for insulator.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
For personnel it should be appreciated that the present invention is not limited to the above embodiments, described in the above embodiment and specification is only the present invention
Preference, be not intended to limit the invention, without departing from the spirit and scope of the present invention, the present invention also has various
Changes and improvements, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by institute
Attached claims and its equivalent thereof.
Claims (7)
1. a kind of operational method for monolithic insulator any among charged for replacement 550kN large-tonnage strain insulator, it is characterised in that:
Include the following steps:
S1, the boss on first suspension insulator steel cap (7) in insulator front end to be changed will be stuck in card (1) one end before closed fixture
(71) at；
S2, first and the third suspension insulator (6) that card (2) after two panels closed fixture is stuck in insulator rear end to be changed
On；
S3, the other end for blocking (1) before closed fixture is connected into digital display hydraulic screw rod (3)；
S4, digital display hydraulic screw rod (3) are connected into parallel connector (5)；
S5, block (2) and digital display mechanical lead screw (4) after being separately connected closed fixture by parallel connector (5)；
S6, block (2) after digital display mechanical lead screw (4) are connected closed fixture；
S7, tightening digital display hydraulic screw rod (3), adjust digital display mechanical lead screw (4), and card (2) blocks suspension insulator after two panels closed fixture
Boss (71) on sub- steel cap (7) makes its producing balanced forces, ensures digital display hydraulic screw rod (3) and digital display machine in the course of work in real time
The stress value of tool screw rod (4) is equal, is transferred to power suffered by suspension insulator (6) on digital display hydraulic screw rod (3), operating personnel
The connection for taking off insulator to be changed Yu other suspension insulators (6) is taken, more changing jobs for insulator to be changed is completed.
2. the operation according to claim 1 for monolithic insulator any among charged for replacement 550kN large-tonnage strain insulator
Method, it is characterised in that: the both ends for blocking (1) before the closed fixture are separately connected digital display hydraulic screw rod (3), digital display hydraulic screw rod
(3) the other end connects parallel connector (5), blocks (2) after multiple closed fixtures are equipped between the parallel connector in two sides (5), connects in parallel
Another connection digital display mechanical lead screw (4) of head (5), between multiple suspension insulators (6) respectively by insulator steel cap (7) even
It connects.
3. the operation according to claim 2 for monolithic insulator any among charged for replacement 550kN large-tonnage strain insulator
Method, it is characterised in that: be equipped with boss (71) at the top of the insulator steel cap (7), it is fixed to offer at the top of boss (71)
Position slot (72), the setting of locating slot (72) side offer sliding slot (73), and the inside of boss (71) is also provided with groove (74).
4. the operation according to claim 3 for monolithic insulator any among charged for replacement 550kN large-tonnage strain insulator
Method, it is characterised in that: the locating slot (72) is connected with sliding slot (73).
5. the operation according to claim 2 for monolithic insulator any among charged for replacement 550kN large-tonnage strain insulator
Method, it is characterised in that: the bottom of the suspension insulator (6) is equipped with card column (61), and the bottom of card column (61) is integrally formed
There are chuck (62).
6. the operation according to claim 5 for monolithic insulator any among charged for replacement 550kN large-tonnage strain insulator
Method, it is characterised in that: the chuck (62) is in a circular table shape.
7. the operation according to claim 5 for monolithic insulator any among charged for replacement 550kN large-tonnage strain insulator
Method, it is characterised in that: the chuck (62) and groove (74) are engaged by clamping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910612962.5A CN110336217A (en) | 2019-07-09 | 2019-07-09 | A kind of operational method for monolithic insulator any among charged for replacement 550kN large-tonnage strain insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910612962.5A CN110336217A (en) | 2019-07-09 | 2019-07-09 | A kind of operational method for monolithic insulator any among charged for replacement 550kN large-tonnage strain insulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110336217A true CN110336217A (en) | 2019-10-15 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910612962.5A Pending CN110336217A (en) | 2019-07-09 | 2019-07-09 | A kind of operational method for monolithic insulator any among charged for replacement 550kN large-tonnage strain insulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110336217A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110854740A (en) * | 2019-12-03 | 2020-02-28 | 中国南方电网有限责任公司超高压输电公司昆明局 | High altitude suspension insulator dismouting mechanism and automatic change device |
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| CN201985468U (en) * | 2010-12-29 | 2011-09-21 | 中国南方电网有限责任公司超高压输电公司曲靖局 | Fixture for replacing V-shaped insulator linear string in 800KV line |
| CN103441445A (en) * | 2013-07-31 | 2013-12-11 | 国家电网公司 | 760kN disc-shaped insulator clamp |
| CN203843735U (en) * | 2014-05-28 | 2014-09-24 | 国家电网公司 | Clamp special for detecting performance of disc suspension ceramic insulator |
| JP2015135729A (en) * | 2014-01-16 | 2015-07-27 | 株式会社ビスキャス | Exchanger and exchange method of suspension insulator |
| CN205248003U (en) * | 2015-12-16 | 2016-05-18 | 国网浙江省电力公司培训中心 | Take cap and pin insulator of nanometer coating |
| CN206099162U (en) * | 2016-10-27 | 2017-04-12 | 国网黑龙江省电力有限公司检修公司 | Hang hang bottle ware |
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2019
- 2019-07-09 CN CN201910612962.5A patent/CN110336217A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201985468U (en) * | 2010-12-29 | 2011-09-21 | 中国南方电网有限责任公司超高压输电公司曲靖局 | Fixture for replacing V-shaped insulator linear string in 800KV line |
| CN103441445A (en) * | 2013-07-31 | 2013-12-11 | 国家电网公司 | 760kN disc-shaped insulator clamp |
| JP2015135729A (en) * | 2014-01-16 | 2015-07-27 | 株式会社ビスキャス | Exchanger and exchange method of suspension insulator |
| CN203843735U (en) * | 2014-05-28 | 2014-09-24 | 国家电网公司 | Clamp special for detecting performance of disc suspension ceramic insulator |
| CN205248003U (en) * | 2015-12-16 | 2016-05-18 | 国网浙江省电力公司培训中心 | Take cap and pin insulator of nanometer coating |
| CN206099162U (en) * | 2016-10-27 | 2017-04-12 | 国网黑龙江省电力有限公司检修公司 | Hang hang bottle ware |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110854740A (en) * | 2019-12-03 | 2020-02-28 | 中国南方电网有限责任公司超高压输电公司昆明局 | High altitude suspension insulator dismouting mechanism and automatic change device |
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Application publication date: 20191015 |