CN106443265B - A kind of device and its application method of simulation strain insulator string arrangement - Google Patents
A kind of device and its application method of simulation strain insulator string arrangement Download PDFInfo
- Publication number
- CN106443265B CN106443265B CN201610896532.7A CN201610896532A CN106443265B CN 106443265 B CN106443265 B CN 106443265B CN 201610896532 A CN201610896532 A CN 201610896532A CN 106443265 B CN106443265 B CN 106443265B
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- adjustment module
- strain insulator
- nut
- hole
- insulator string
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- 239000012211 strain insulator Substances 0.000 title claims abstract description 73
- 238000004088 simulation Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims description 12
- 238000012360 testing method Methods 0.000 claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 43
- 239000010959 steel Substances 0.000 claims description 43
- 239000012212 insulator Substances 0.000 claims description 15
- 238000005452 bending Methods 0.000 claims description 13
- 230000013011 mating Effects 0.000 claims description 8
- 230000007423 decrease Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 5
- 238000009413 insulation Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Insulators (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of devices of simulation strain insulator string arrangement, including the first adjustment module 1, second adjustment module 2, supporting module 3 and yoke plate 5；The first adjustment module 1 is identical with 2 structure of second adjustment module, is symmetricly set on the left and right sides of supporting module 3；The lower end of two strain insulator strings 4 is separately connected the first adjustment module 1 and second adjustment module 2；The upper end of two strain insulator strings 4 is symmetrically fixed on yoke plate 5；The first adjustment module 1 and second adjustment module 2 include angle-adjusting mechanism and length adjusting mechanism；The angle-adjusting mechanism is used to adjust the subtended angle of corresponding strain insulator string, the i.e. angle of strain insulator string axis and vertical direction；The length adjusting mechanism is for strain insulator string to be axially straightened.The present invention does not need to set up tension bracket and selects works as point of tension, uses manpower and material resources sparingly, and can reduce the requirement to test space, expands the trial stretch of simulation strain insulator string.
Description
Technical field
The invention belongs to electric power project engineering field more particularly to it is a kind of simulation strain insulator string arrangement device and its
Application method.
Background technique
For the electrical characteristic for studying insulator chain, researcher is usually in the different strings of (the indoor or outdoor) development in laboratory
The electric characteristic tests such as type, the simulation filth of unlike material insulator chain, icing, lightning impulse.Since strain insulator insulate in engineering
Substring both ends are acted on by wire tension, and strain insulator string hitch point two sides insulator axis and vertical direction angle are larger, resistance to
It opens insulator chain to arrange in inverted V type, therefore testing crew generally requires to set up tension in advance when simulating the test of strain insulator-string
Frame or select point of tension that insulator chain and vertical direction are pulled open angle on the fixed structures object such as wall.However this is solved
Method usually carrys out new problem to test tape, first is that setting up tension bracket or must take into account asking for insulation using existing structure object
Topic must reconnect a string of insulated lengths and creepage distance much larger than test insulation that is, between point of tension and insulator chain end
The insulator of substring, this undoubtedly proposes bigger requirement to test space, and indoor laboratory is generally difficult to meet this requirement；Two
It is to set up tension bracket to need to expend lot of materials and artificial and mobile inconvenient；Third is that selection tension bracket or metope etc. are fixed
Behind force, strain insulator string will not can be rotated in the horizontal plane, limit the development of simulation strain insulator string ice-coating test.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of simulation strain insulator insulation for defect existing for known technology
The device and application method of substring arrangement do not need not only to set up tension bracket and select works as point of tension, save manpower
Material resources reduce the requirement to test space, can also rotate strain insulator string in the horizontal plane, expand simulation strain insulator string
Trial stretch.
The technical solution provided by the present invention is:
A kind of device of simulation strain insulator string arrangement, including the first adjustment module 1, second adjustment module 2, branch hold mode
Block 3 and yoke plate 5；
The first adjustment module 1 is identical with 2 structure of second adjustment module, is symmetricly set on the left and right two of supporting module 3
Side；
The lower end of two strain insulator strings 4 is separately connected the first adjustment module 1 and second adjustment module 2；Two strain insulators
The upper end of insulator chain 4 is symmetrically fixed on yoke plate 5；
The first adjustment module 1 and second adjustment module 2 include angle-adjusting mechanism and length adjusting mechanism；
The angle-adjusting mechanism is used to adjust the subtended angle of corresponding strain insulator string, i.e., strain insulator string axis and hangs down
Histogram to angle；
The length adjusting mechanism is for strain insulator string to be axially straightened.
The length adjusting mechanism includes lead screw, the first nut, the second nut and steel pipe；The internal diameter of the steel pipe is slightly larger than
The diameter of lead screw；For steel pipe socket outside lead screw, length of steel pipe is less than the length of lead screw, and steel pipe both ends pass through the first nut and the respectively
Two nuts are fixed on lead screw；One end of lead screw is connected with the lower end of strain insulator string 4.
The angle-adjusting mechanism includes adjustment plate；(welding) is fixed on steel pipe in adjustment plate upper end；It is provided in adjustment plate
Fixation hole and adjusting hole；Wherein adjusting hole is an arc hole slot；The hole center of fixation hole is located at the center location of arcuate socket slot；
The supporting module 3 includes the first connecting plate 31, the second connecting plate 32 and pre-bending round steel 33；First connecting plate, 31 He
(welding) is fixed at the both ends of pre-bending round steel 33 in second connecting plate, 32 lower end respectively；
First connecting plate 31 is identical with the structure of the second connecting plate 32, is equipped with the first connecting hole and the second connection thereon
Hole；Pitch of holes between first connecting hole and the second connecting hole is equal to the pitch of holes between fixation hole and adjusting hole；
Fixation hole and adjusting hole on 1 angle-adjusting mechanism of the first adjustment module pass through mating bolt respectively and connect with first
The first connecting hole and the connection of the second connecting hole on plate 31；
Fixation hole and adjusting hole on 2 angle-adjusting mechanism of second adjustment module pass through mating bolt and the second connection respectively
The first connecting hole and the connection of the second connecting hole on plate 32.
After pre-bending round steel 33 needs strain insulator-string insulator chain to be simulated is long to be calculated with angle according to trigonometric function according to test
Concave is bent into using machine.Round steel is bent into concave and is avoided that overhang insulation and round steel air distance are too close and influence electricity
Gas test result
The yoke plate 5 includes yoke plate ontology 51, is symmetricly set on the first aperture 52 and and third of 51 lower part of yoke plate ontology
Aperture 54, and second aperture 53 on 51 top of yoke plate ontology is set；
Described two 4 lower ends of strain insulator string are separately connected lead screw in the first adjustment module 1 and second adjustment module 2
One end, two 4 upper ends of strain insulator string are separately connected the first aperture 52 and third aperture 54 of yoke plate 5；Second aperture
53 are suspended vertically equipment for joint test.
A kind of application method of simulation strain insulator string arrangement, the simulation strain insulator string are arranged as above-mentioned mould
The device of quasi- strain insulator string arrangement；
Through the bolt of connection adjusting hole and the second connecting hole at left and right sides of symmetrical adjustment on the arc hole slot of adjusting hole
Position, come adjust simulation strain insulator string subtended angle；
Adjust in the first adjustment module 1 first nut and the second spiral shell on first nut and the second nut, second adjustment module 2
Two strain insulator string axially loadeds are straightened in mother.
The direction of first nut and the adjustment of the second nut is identical in the first adjustment module 1, the first spiral shell in second adjustment module 2
The direction of female and the second nut adjustment is also identical；The adjustment direction and of first nut and the second nut in second adjustment module 2
The adjustment direction of first nut and the second nut is symmetrical in one adjustment module 1.
When strain insulator string 4, which increases and decreases the piece number, is no more than 1, by adjusting the first nut in the first adjustment module 1 and
Two strain insulator string axially loadeds are straightened in first nut and the second nut on second nut, second adjustment module 2, make it
Arrangement meets test requirements document.
When needing to change the subtended angle of strain insulator string 4, it can be realized by calculating and repeating above-mentioned set-up procedure.
The beneficial effects of the present invention are:
1) it, can remove from and set up tension bracket and select works as point of tension, use manpower and material resources sparingly；
2) requirement to test space can, be reduced；
3) strain insulator string, can be rotated in the horizontal plane, expand the trial stretch of simulation string.
Detailed description of the invention
Fig. 1 is the structure chart of a specific embodiment of the invention；
Fig. 2 is the first adjustment function structure chart of the present invention；
Fig. 3 is supporting module structure chart of the present invention；
Fig. 4 is yoke plate structure chart of the present invention；
Description of symbols:
In Fig. 1: 1-the first adjustment module, 2-second adjustment modules, 3-supporting modules, 4-strain insulator strings；5—
Yoke plate；
In Fig. 2: Gu 11-lead screws, the 12-the first nut, the 13-the second nut, 14-steel pipes, 15-adjustment plates, 151-
Determine hole, 152-adjusting holes；
In Fig. 3: the 31-the first connecting plate, the 311-the first connecting hole, the 312-the second connecting hole, the 32-the second connecting plate,
321-the first connecting hole, the 322-the second connecting hole, 33-pre-bending round steel；4-5-yoke plates of insulator chain
In Fig. 4: 51-yoke plate ontologies, the 52-the first aperture, the 53-the second aperture, 54-third apertures.
Specific embodiment
The present invention is described in more detail below in conjunction with the drawings and specific embodiments.
The invention discloses a kind of devices of simulation strain insulator string arrangement.
Embodiment 1:
As shown in Figure 1, simulation strain insulator string arrangement device include the first adjustment module 1, second adjustment module 2,
Supporting module 3 and yoke plate 5；
The first adjustment module 1 is identical with 2 structure of second adjustment module, is symmetricly set on the left and right two of supporting module 3
Side；
The lower end of two strain insulator strings 4 is separately connected the first adjustment module 1 and second adjustment module 2；Two strain insulators
The upper end of insulator chain 4 is symmetrically fixed on yoke plate 5；
The first adjustment module 1 and second adjustment module 2 include angle-adjusting mechanism and length adjusting mechanism；
The angle-adjusting mechanism is used to adjust the subtended angle of corresponding strain insulator string, i.e., strain insulator string axis and hangs down
Histogram to angle；
The length adjusting mechanism is for strain insulator string to be axially straightened.
Embodiment 2:
The difference of the present embodiment and above-described embodiment is: the length adjusting mechanism includes lead screw, the first nut, second
Nut and steel pipe；The internal diameter of the steel pipe is slightly larger than the diameter of lead screw；For steel pipe socket outside lead screw, length of steel pipe is less than the length of lead screw
Degree, steel pipe both ends pass through the first nut respectively and the second nut is fixed on lead screw；One end of lead screw and strain insulator string 4
Lower end is connected.
The angle-adjusting mechanism includes adjustment plate；(welding) is fixed on steel pipe in adjustment plate upper end；It is provided in adjustment plate
Fixation hole and adjusting hole；Wherein adjusting hole is an arc hole slot；The hole center of fixation hole is located at the center location of arcuate socket slot；
The supporting module 3 includes the first connecting plate 31, the second connecting plate 32 and pre-bending round steel 33；First connecting plate, 31 He
(welding) is fixed at the both ends of pre-bending round steel 33 in second connecting plate, 32 lower end respectively；
First connecting plate 31 is identical with the structure of the second connecting plate 32, is equipped with the first connecting hole and the second connection thereon
Hole；Pitch of holes between first connecting hole and the second connecting hole is equal to the pitch of holes between fixation hole and adjusting hole；
Fixation hole and adjusting hole on 1 angle-adjusting mechanism of the first adjustment module pass through mating bolt respectively and connect with first
The first connecting hole and the connection of the second connecting hole on plate 31；
Fixation hole and adjusting hole on 2 angle-adjusting mechanism of second adjustment module pass through mating bolt and the second connection respectively
The first connecting hole and the connection of the second connecting hole on plate 32.
As shown in Fig. 2, the length adjusting mechanism of the first adjustment module 1 includes lead screw 11, the first nut 12, the second nut 13
With steel pipe 14；14 sets of steel pipe outside lead screw 11,14 length of steel pipe be less than lead screw 11 length, 14 both ends of steel pipe pass through first respectively
Nut 12 and the second nut 13 and lead screw 11 are fixed；One end of the lead screw 11 is provided with annulus, is used for and strain insulator string 4
Lower end be connected.
The angle-adjusting mechanism of the first adjustment module 1 includes adjustment plate 15；15 upper end of adjustment plate is weldingly fixed on steel pipe 14
On；Fixation hole 151 and adjusting hole 152 are provided in adjustment plate 15；Wherein adjusting hole is an arc hole slot.
As shown in figure 3, the supporting module 3 includes the first connecting plate 31, the second connecting plate 32 and pre-bending round steel 33；First
The both ends for being fixed on pre-bending round steel 33 are respectively welded in connecting plate 31 and 32 lower end of the second connecting plate.First connecting plate 31 and second connects
The structure of fishplate bar 32 is identical.The first connecting hole 311 and the second connecting hole 312 are provided on first connecting plate 31；First connecting hole 311
With 312 aperture of the second connecting hole respectively in the first adjustment module 1 fixation hole 151 and 152 aperture of adjusting hole it is consistent；First adjusts
Fixation hole 151 and adjusting hole 152 on mould preparation block 1 pass through the first connecting hole on mating bolt and the first connecting plate 31 respectively
311 and second connecting hole 312 couple；Annulus direction 32 side of the second connecting plate of lead screw 11 in the first adjustment module 1.Second connects
The first connecting hole 321 and the second connecting hole 322 are provided on fishplate bar 32；First connecting hole 321 and 322 aperture of the second connecting hole point
Not in second adjustment module 2 fixation hole and adjusting hole aperture it is consistent；Fixation hole and adjustment in the second adjustment module 2
Hole passes through the first connecting hole 321 and the connection of the second connecting hole 322 on mating bolt and the second connecting plate 32 respectively；Second adjustment
The annulus of lead screw is towards 31 side of the first connecting plate of supporting module 3 in module 2.
Embodiment 3:
The difference of the present embodiment and above-described embodiment is: as shown in figure 4, the yoke plate 5 includes yoke plate ontology 51, and
The first aperture 52, the second aperture 53 and third aperture 54 on yoke plate ontology 51 are set；
2 strain insulator strings, the 4 lower end bulb is separately connected the first adjustment module 1 and second adjustment mould by fitting
The annulus of lead screw in block 2,24 upper end ball-and-sockets of insulator chain are separately connected the first aperture 52 and third of yoke plate 5 by fitting
Aperture 54；5 second aperture 53 of yoke plate is suspended vertically equipment for joint test.
Embodiment 4:
In the embodiment, the lead screw 11 of the first adjustment module 1 using long 300mm diameter 20mm pre-tapped steel lead screw and
Internal diameter 30mm, outer diameter 45mm stainless steel annulus be welded；First nut 12 and the second nut 13 are using commercially available matched with lead screw
Bolt；Steel pipe 14 is tailored using the steel pipe of internal diameter 22mm, outer diameter 28mm, long 100mm；Adjustment plate 15 is cut out using thickness 6mm steel plate
System, the long 180mm of plate, the wide 90mm in upper end, the wide 120mm in lower end, fixation hole 151 and adjusting hole 152 are located at the line of symmetry of adjustment plate 15
On, aperture 19mm, 151 hole center of fixation hole and narrow side distance are 45mm, and fixation hole 151 and 152 pitch of holes of adjusting hole are
115mm, 152 radius of adjusting hole are 115mm, arc length 120mm.Second adjustment module 2 is identical as the first adjustment module 1.Branch hold mode
First connecting plate 31 of block 3 is tailored using thickness 6mm steel plate, long 200mm, width 60mm, the first connecting hole 311 and the second connecting hole
312 aperture 19mm, pitch of holes 115mm, 311 hole center of the first connecting hole and narrow side distance are 25mm, the second connecting plate 32 with
First connecting plate 31 is identical, and the first connecting plate 31 is welded on the left end of 33 concave of pre-bending round steel by the narrow side of the second connecting hole 312,
Second connecting plate 32 is welded on the right end of 33 concave of pre-bending round steel by the narrow side of the second connecting hole 322, and supporting module 3 or so connects
Plate is symmetric.Strain insulator string 4 is assembled using available glass LXY-70 suspension insulator.Yoke plate 5 is using commercially available
LV0712 type yoke plate.
The invention also discloses a kind of application method of simulation strain insulator string arrangement, the simulation strain insulator strings
It is arranged as the device of above-mentioned simulation strain insulator string arrangement；
Through the bolt of connection adjusting hole and the second connecting hole at left and right sides of symmetrical adjustment on the arc hole slot of adjusting hole
Position, come adjust simulation strain insulator string subtended angle；
Adjust in the first adjustment module 1 first nut and the second spiral shell on first nut and the second nut, second adjustment module 2
Two strain insulator string axially loadeds are straightened in mother.
The direction of first nut and the adjustment of the second nut is identical in the first adjustment module 1, the first spiral shell in second adjustment module 2
The direction of female and the second nut adjustment is also identical；The adjustment direction and of first nut and the second nut in second adjustment module 2
The adjustment direction of first nut and the second nut is symmetrical in one adjustment module 1.
When strain insulator string 4, which increases and decreases the piece number, is no more than 1, by adjusting the first nut in the first adjustment module 1 and
Two strain insulator string axially loadeds are straightened in first nut and the second nut on second nut, second adjustment module 2, make it
Arrangement meets test requirements document.
The device and its application method of a kind of simulation strain insulator string arrangement disclosed by the invention are on probation through manufacturing experimently, and are demonstrate,proved
It is bright to work well, securely and reliably, design requirement is fully achieved.
Claims (5)
1. a kind of device of simulation strain insulator string arrangement, which is characterized in that including the first adjustment module (1), second adjustment
Module (2), supporting module (3) and yoke plate (5)；
The first adjustment module (1) is identical with second adjustment module (2) structure, is symmetricly set on the left and right of supporting module (3)
Two sides；
The lower end of two strain insulator strings (4) is separately connected the first adjustment module (1) and second adjustment module (2)；Two resistance to
The upper end for opening insulator chain (4) is symmetrically fixed on yoke plate (5)；
The first adjustment module (1) and second adjustment module (2) include angle-adjusting mechanism and length adjusting mechanism；
The angle-adjusting mechanism is used to adjust the subtended angle of corresponding strain insulator string, i.e. strain insulator string axis and Vertical Square
To angle；
The length adjusting mechanism is for strain insulator string to be axially straightened；
The length adjusting mechanism includes lead screw, the first nut, the second nut and steel pipe；The steel pipe socket is outside lead screw, steel pipe
Length is less than the length of lead screw, and steel pipe both ends pass through the first nut respectively and the second nut is fixed on lead screw；One end of lead screw
It is connected with the lower end of strain insulator string (4)；
The angle-adjusting mechanism includes adjustment plate；Adjustment plate upper end is fixed on steel pipe；Fixation hole and tune are provided in adjustment plate
Whole hole；Wherein adjusting hole is an arc hole slot；The hole center of fixation hole is located at the center location of arcuate socket slot；
The supporting module (3) includes the first connecting plate (31), the second connecting plate (32) and pre-bending round steel (33)；First connecting plate
(31) and the second connecting plate (32) lower end is separately fixed at the both ends of pre-bending round steel (33)；
First connecting plate (31) is identical with the structure of the second connecting plate (32), is equipped with the first connecting hole and the second connection thereon
Hole；Pitch of holes between first connecting hole and the second connecting hole is equal to the pitch of holes between fixation hole and adjusting hole；
Fixation hole and adjusting hole on the first adjustment module (1) angle-adjusting mechanism pass through mating bolt and the first connecting plate respectively
(31) the first connecting hole and the connection of the second connecting hole on；
Fixation hole and adjusting hole on second adjustment module (2) angle-adjusting mechanism pass through mating bolt and the second connecting plate respectively
(32) the first connecting hole and the connection of the second connecting hole on.
2. the device of simulation strain insulator string arrangement according to claim 1, which is characterized in that the pre-bending round steel
(33) it is bent into after needing strain insulator string length and angle to be simulated to be calculated according to trigonometric function according to test using machine
Concave.
3. the device of simulation strain insulator string arrangement according to claim 2, which is characterized in that yoke plate (5) packet
Yoke plate ontology (51) are included, first aperture (52) and third aperture (54) of yoke plate ontology (51) lower part, Yi Jishe are symmetricly set on
Set the second aperture (53) on yoke plate ontology (51) top；
Described two strain insulator string (4) lower ends are separately connected lead screw in the first adjustment module (1) and second adjustment module (2)
One end, two strain insulator string (4) upper ends are separately connected the first aperture (52) and third aperture (54) of yoke plate (5)；Institute
It states the second aperture (53) and is suspended vertically equipment for joint test.
4. a kind of application method of the device of simulation strain insulator string arrangement, which is characterized in that the simulation strain insulator
The device of string arrangement is the device of simulation strain insulator string arrangement according to any one of claims 1 to 3；
Pass through position of the bolt of connection adjusting hole and the second connecting hole at left and right sides of symmetrical adjustment on the arc hole slot of adjusting hole
It sets, to adjust the subtended angle of simulation strain insulator string；
Adjust on the first adjustment module (1) the first nut and the second spiral shell on the first nut and the second nut, second adjustment module (2)
Two strain insulator string axially loadeds are straightened in mother；
The direction of the first nut and the adjustment of the second nut is identical in the first adjustment module (1), the first spiral shell in second adjustment module (2)
The direction of female and the second nut adjustment is also identical；In second adjustment module (2) adjustment direction of the first nut and the second nut with
The adjustment direction of the first nut and the second nut is symmetrical in the first adjustment module (1).
5. the application method of the device of simulation strain insulator string arrangement according to claim 4, which is characterized in that when resistance to
When insulator chain increase and decrease the piece number is no more than 1, by adjusting the first nut on the first adjustment module (1) and the second nut, the
Two strain insulator string axially loadeds are straightened in the first nut and the second nut in two adjustment module (2), meet its arrangement
Test requirements document.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610896532.7A CN106443265B (en) | 2016-10-13 | 2016-10-13 | A kind of device and its application method of simulation strain insulator string arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610896532.7A CN106443265B (en) | 2016-10-13 | 2016-10-13 | A kind of device and its application method of simulation strain insulator string arrangement |
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| Publication Number | Publication Date |
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| CN106443265A CN106443265A (en) | 2017-02-22 |
| CN106443265B true CN106443265B (en) | 2019-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610896532.7A Active CN106443265B (en) | 2016-10-13 | 2016-10-13 | A kind of device and its application method of simulation strain insulator string arrangement |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109342908B (en) * | 2018-12-14 | 2021-02-19 | 国家电网有限公司 | Icing early warning method based on insulator observation |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487731A (en) * | 2013-09-18 | 2014-01-01 | 国家电网公司 | Insulator chain testing device |
| CN103811134A (en) * | 2014-01-26 | 2014-05-21 | 国家电网公司 | Icing flashover prevention suspension strain insulator string |
| CN104766681A (en) * | 2015-04-17 | 2015-07-08 | 国家电网公司 | Adjustable parallel connecting interval structure of strain insulator string |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2907210B1 (en) * | 1998-06-23 | 1999-06-21 | 大同電機工業株式会社 | Tower support mechanism of tower multi-point support tension insulator device |
| JP6231897B2 (en) * | 2014-02-03 | 2017-11-15 | ネミー株式会社 | Solar panel mount, method for assembling the same, and positioning jig used in the method |
-
2016
- 2016-10-13 CN CN201610896532.7A patent/CN106443265B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487731A (en) * | 2013-09-18 | 2014-01-01 | 国家电网公司 | Insulator chain testing device |
| CN103811134A (en) * | 2014-01-26 | 2014-05-21 | 国家电网公司 | Icing flashover prevention suspension strain insulator string |
| CN104766681A (en) * | 2015-04-17 | 2015-07-08 | 国家电网公司 | Adjustable parallel connecting interval structure of strain insulator string |
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