CN203103836U - Clamping apparatus for +/-800 kV duplex double-wire-clamp V-shaped insulator string - Google Patents
Clamping apparatus for +/-800 kV duplex double-wire-clamp V-shaped insulator string Download PDFInfo
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- CN203103836U CN203103836U CN 201220725852 CN201220725852U CN203103836U CN 203103836 U CN203103836 U CN 203103836U CN 201220725852 CN201220725852 CN 201220725852 CN 201220725852 U CN201220725852 U CN 201220725852U CN 203103836 U CN203103836 U CN 203103836U
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- main body
- insulator string
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- clamp
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- 239000012212 insulator Substances 0.000 title claims abstract description 36
- 238000010276 construction Methods 0.000 claims abstract description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229910000746 Structural steel Inorganic materials 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
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Abstract
The utility model discloses a clamping apparatus for a +/-800 kV duplex double-wire-clamp V-shaped insulator string. The clamping apparatus for the +/-800 kV duplex double-wire-clamp V-shaped insulator string comprises a connecting plate, a stop pin assembly, a main body, a rotary shaft, sleeves and an upper cover, wherein the connecting plate is used for connecting the clamping apparatus with a hydraulic screw rod; the stop pin assembly is connected with the main body and the connecting plate; the main body is rotationally connected with the upper cover via the rotary shaft; the sleeves are installed on the main body and the upper cover respectively to fix the main body and the upper cover in a construction hole in the square yoke plate of the duplex double-wire-clamp V-shaped insulator string, and on parallel yoke plates. One end of the clamping apparatus for the +/-800 kV duplex double-wire-clamp V-shaped insulator string disclosed by the utility model is used for installing the main body and the upper cover on the square yoke plate of the duplex double-wire-clamp V-shaped insulator string via the sleeves, the other end of the clamping apparatus is connected with the hydraulic screw rod via the connecting plate, the hydraulic screw is connected with an insulating rod, the insulating rod is connected with a cross arm upper clamp, and the upper clamp is installed on the back-to-back angle iron of a cross arm, so as to form a wire-lifting system; and the hydraulic screw is tightened, so as to prevent insulators from being stressed and transfer a conductive wire load, thus achieving the purpose of replacing the insulators.
Description
Technical field
The utility model relates to high-tension line live line working equipment, and is particularly a kind of ± 800kV duplex two-wire folder V-type insulator string jig.
Background technology
Along with the putting into operation in succession of high pressure, extra-high voltage direct-current circuit, high pressure, extra high voltage line live line working Study on Technology became domestic first and will study task in recent years.
During according to ± 800kV line live-line work on the tower operating personnel's working method and contents such as job position, insulator string replacing the switching overvoltage in the live line working process, safe distance and insulator string are changed instrument, and ± the correlation technique condition of 800kV line live-line work, develop a kind of can the adaptation ± 800kV circuit and easy to operate, safety and stability ± 800kV duplex two-wire folder V string card, be applicable to the technical problem that replacing ± 800kV duplex two-wire folder V-type bunch of insulator has become to need to be resolved hurrily.
For can charged for replacement ± 800kV circuit duplex two-wire folder type V insulator, develop a kind of can the adaptation ± 800kV circuit and easy to operate, safety and stability ± 800kV duplex two-wire folder V string card, be applicable to replacing ± 800kV duplex two-wire folder V-type bunch of insulator.
The utility model content
In view of this, for overcoming the deficiencies in the prior art, the utility model provides a kind of and is adapted to ± the duplex two-wire folder V-type insulator string jig of 800kV track replacement insulator string.
A kind of ± 800kV duplex two-wire folder V-type insulator string jig, described jig comprises connecting plate, backing pin assembly, main body, rotating shaft, cover and loam cake, described connecting plate is connected described jig with the hydraulic pressure screw mandrel, described backing pin assembly connects described main body and described connecting plate, be connected rotationally by described rotating shaft between described main body and the described loam cake, described cover be installed in respectively described main body with described on cover make described main body and loam cake be fixed in the construction hole on the cubic yoke plate of duplex two-wire folder V-type insulator string with parallel yoke plate on.
Preferably, described jig comprises button-headed screw, and described button-headed screw is locked described cover and parallel yoke plate is fixed on described main body and described loam cake is articulated in the formed parallel clearance in back by described rotating shaft.
Preferably, described cover adopts step ladder circular ring shape structure.
Preferably, the 40Cr material is adopted in described connecting plate and rotating shaft, and described main body and loam cake adopt the LC4 aluminum alloy material.
Of the present utility model ± 800kV duplex two-wire folder V-type insulator string is installed to main body and loam cake on the cubic yoke plate of duplex two-wire folder V-type insulator string by cover with jig one end, the other end is connected with the hydraulic pressure screw mandrel by connecting plate, the hydraulic pressure screw mandrel is connected with insulating bar, card connection on insulating bar and the cross-arm, last card is installed in cross-arm back-to-back on the angle bar, forms and puies forward wire system.Tighten up the hydraulic pressure screw mandrel, insulator is not stressed, shift conductor load, thereby reach the purpose of changing insulator.
Description of drawings
Fig. 1 is the structural representation of preferred embodiment of the present utility model ± 800kV duplex two-wire folder V-type insulator string with jig.
Fig. 2 is the front view of the connecting plate among Fig. 1.
Fig. 3 A, 3B are respectively the front view and the vertical view of the backing pin assembly among Fig. 1.
Fig. 4 A, 4B are respectively the front view and the vertical view of the main body among Fig. 1.
Fig. 5 A, 5B are respectively the front view and the cutaway view of the cover among Fig. 1.
Fig. 6 A, 6B are respectively the front view and the vertical view of the loam cake among Fig. 1.
Fig. 7 is ± structural representation of 800kV duplex two-wire folder V-type insulator string.
Embodiment
For understanding the utility model better, the utility model is described in detail below with reference to accompanying drawing and instantiation.
See also Fig. 1, preferred embodiment of the present utility model ± 800kV duplex two-wire folder V-type insulator string comprises connecting plate 10, backing pin assembly 20, main body 30, rotating shaft 40, button-headed screw 50, cover 60 and loam cake 70 with jig.
Please in conjunction with consulting Fig. 2 to Fig. 6, connecting plate 10 is used for whole jig is connected with hydraulic pressure screw mandrel 80.Backing pin assembly 20 is used for main body 30 is connected with connecting plate 10.Connect rotationally by rotating shaft 40 between main body 30 and the loam cake 70, form the main load part of jig.Cover 60 is installed in respectively on main body 30 and the loam cake 70, and cover 60 adopts step ladder circular ring shape structure, is mainly used in parallel yoke plate 110 is fixed in the formed parallel clearance of main body 30 and loam cake 70 pivot joint backs.Button-headed screw 50 is used for cover 60 lockings are fixed on main body 30 and the loam cake 70.
In the above-described embodiments, the 40Cr material is adopted in connecting plate 10 and rotating shaft 40, and main body 30 and loam cake 70 adopt the LC4 aluminum alloy materials.
Please in conjunction with consulting Fig. 1 and Fig. 7, in ± 800kV live line working, above-mentioned duplex two-wire folder V-type insulator string is installed to duplex two-wire by button-headed screw 50 and cover 60 with main body 30 and loam cake 70 with an end of jig and presss from both sides on the construction hole of cubic yoke plate 100 of V-type insulator string, duplex two-wire folder V-type insulator string is connected with hydraulic pressure screw mandrel 80 by connecting plate 10 with the other end of jig, hydraulic pressure screw mandrel 80 is connected with insulating bar 90, card connection on insulating bar 90 and the cross-arm, last card is installed in cross-arm back-to-back on the angle bar, forms and puies forward wire system.After inspection is carried line the connection situation is provided, tighten up hydraulic pressure screw mandrel 80, insulator is not stressed, shift conductor load, thereby reach the purpose of changing insulator.
The above exemplifying embodiment has only been expressed part execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (4)
1. one kind ± 800kV duplex two-wire presss from both sides V-type insulator string jig, it is characterized in that: described jig comprises connecting plate (10), backing pin assembly (20), main body (30), rotating shaft (40), cover (60) and loam cake (70), described connecting plate (10) is connected described jig with hydraulic pressure screw mandrel (80), described backing pin assembly (20) connects described main body (30) and described connecting plate (10), be connected rotationally by described rotating shaft (40) between described main body (30) and the described loam cake (70), described cover (60) be installed in respectively make on described main body (30) and the described loam cake (70) described main body (30) and loam cake (70) be fixed in the construction hole on the cubic yoke plate (100) of duplex two-wire folder V-type insulator string with parallel yoke plate (110) on.
2. according to claim 1 ± 800kV duplex two-wire folder V-type insulator string jig, it is characterized in that: described jig comprises button-headed screw (50), and described button-headed screw (50) is locked described cover (60) and parallel yoke plate (110) is fixed on described main body (30) and described loam cake (70) is articulated in the formed parallel clearance in back by described rotating shaft (40).
3. according to claim 2 ± 800kV duplex two-wire folder V-type insulator string jig, it is characterized in that: described cover (60) adopts step ladder circular ring shape structure.
4. according to each described ± 800kV duplex two-wire folder V-type insulator string jig of claim 1 to 3, it is characterized in that: the 40Cr material is adopted in described connecting plate (10) and rotating shaft (40), and described main body (30) and loam cake (70) adopt the LC4 aluminum alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220725852 CN203103836U (en) | 2012-12-26 | 2012-12-26 | Clamping apparatus for +/-800 kV duplex double-wire-clamp V-shaped insulator string |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220725852 CN203103836U (en) | 2012-12-26 | 2012-12-26 | Clamping apparatus for +/-800 kV duplex double-wire-clamp V-shaped insulator string |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203103836U true CN203103836U (en) | 2013-07-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220725852 Expired - Lifetime CN203103836U (en) | 2012-12-26 | 2012-12-26 | Clamping apparatus for +/-800 kV duplex double-wire-clamp V-shaped insulator string |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203103836U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104022461A (en) * | 2014-06-26 | 2014-09-03 | 云南电网公司曲靖供电局 | Tool capable of replacing 500KV straight-line single-connection double-string horizontal insulator |
| CN104201616A (en) * | 2014-09-26 | 2014-12-10 | 陕西省地方电力(集团)有限公司南郑县供电分公司 | Low-voltage power distribution overhead line strain power pole fitting connecting structure and connecting method |
| CN104505763A (en) * | 2014-10-08 | 2015-04-08 | 国家电网公司 | Operating method for changing duplex V chain composite insulator on live line of extra-high voltage DC line |
| CN105406401A (en) * | 2015-12-22 | 2016-03-16 | 国网福建省电力有限公司泉州供电公司 | Triangular yokeplate clamping apparatus, double-string strain insulator replacing device and double-string strain insulator replacing method |
-
2012
- 2012-12-26 CN CN 201220725852 patent/CN203103836U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104022461A (en) * | 2014-06-26 | 2014-09-03 | 云南电网公司曲靖供电局 | Tool capable of replacing 500KV straight-line single-connection double-string horizontal insulator |
| CN104022461B (en) * | 2014-06-26 | 2017-10-20 | 云南电网公司曲靖供电局 | Change the double string horizontal insulator instruments of 500KV straight lines simply connected |
| CN104201616A (en) * | 2014-09-26 | 2014-12-10 | 陕西省地方电力(集团)有限公司南郑县供电分公司 | Low-voltage power distribution overhead line strain power pole fitting connecting structure and connecting method |
| CN104505763A (en) * | 2014-10-08 | 2015-04-08 | 国家电网公司 | Operating method for changing duplex V chain composite insulator on live line of extra-high voltage DC line |
| CN104505763B (en) * | 2014-10-08 | 2017-06-09 | 国家电网公司 | UHVDC Transmission Lines charged for replacement duplex V string composite insulator operational methods |
| CN105406401A (en) * | 2015-12-22 | 2016-03-16 | 国网福建省电力有限公司泉州供电公司 | Triangular yokeplate clamping apparatus, double-string strain insulator replacing device and double-string strain insulator replacing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130731 |