CN205643416U - A special fixture for main transformer low tension side is experimental - Google Patents
A special fixture for main transformer low tension side is experimental Download PDFInfo
- Publication number
- CN205643416U CN205643416U CN201620490089.9U CN201620490089U CN205643416U CN 205643416 U CN205643416 U CN 205643416U CN 201620490089 U CN201620490089 U CN 201620490089U CN 205643416 U CN205643416 U CN 205643416U
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- Prior art keywords
- insulation board
- main transformer
- test
- grip block
- arc
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- 238000009413 insulation Methods 0.000 claims abstract description 49
- 238000012360 testing method Methods 0.000 claims abstract description 39
- 239000000956 alloy Substances 0.000 claims abstract description 31
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 29
- 239000012634 fragment Substances 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 241000270722 Crocodylidae Species 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- LNNWVNGFPYWNQE-GMIGKAJZSA-N desomorphine Chemical compound C1C2=CC=C(O)C3=C2[C@]24CCN(C)[C@H]1[C@@H]2CCC[C@@H]4O3 LNNWVNGFPYWNQE-GMIGKAJZSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The utility model provides a special fixture for main transformer low tension side is experimental, the utility model relates to a main transformer low tension side test fixture, the utility model discloses an among the solution prior art time wiring of big -and -middle -sized main transformer direct current electrical resistance test inconvenient, efficiency is on the low side, the measured value is inaccurate, the low problem of security when experimental, it wraps the link, draw together anchor clamps lock and grip block subassembly, the grip block subassembly includes the insulation board, arc alloy rack and patchcord are connected protrudingly, the insulation board is the arc, the one end processing of arc has the fixed plate, the other end processing of arc has the grip block, an insulation board an upper fixed plate's one end and the fixed plate on another insulation board are connected, grip block fixed mounting on insulation board has an anchor clamps lock, on the grip block of anchor clamps pintle hook lock on another insulation board, be equipped with an arc alloy rack on every arc respectively, arc alloy rack is close to interior cambered surface fixed mounting on the insulation board on the side of insulation board, the utility model is used for use during transformer test.
Description
Technical field
This utility model relates to a kind of main transformer low-pressure side test fixture, is specifically related to a kind of for the examination of main transformer low-pressure side
The special fixture tested.
Background technology
Generally known big-and-middle-sized main transformer D.C. resistance test, main transformer low-pressure side to high-pressure side and ground test method be by
High-pressure side binding post short circuit grounding, low-pressure side a-x, b-y, c-z measure respectively.This occurs as soon as testing equipment and low pressure
The connectivity problem of side terminal.It is presently used for D.C. resistance test low-pressure side wiring and mainly uses CSX-II molded line bag
Interior little pinch clamping cap nut.The cap nut that main transformer low-pressure side exposes is the shortest, and crocodile test clamp is not gone up.CSX-II
In molded line bag, little pinch opening is little, and slipping easily occurs in clamping.During measurement, expose unsafe factor.Furthermore use and be wound around
The only strand of copper.Owing to main transformer low-pressure side wiring cylindrical end sub-surface there may be oxide layer, contact resistance increases, to measured value
Easily produce error.In sum, wiring is inconvenient, efficiency is on the low side, and measured value is inaccurate, and during test, safety is low.
Utility model content
When in prior art, big-and-middle-sized main transformer D.C. resistance is tested, wiring is inconvenient, efficiency is inclined in order to solve for this utility model
Low, measured value is inaccurate, the problem that during test, safety is low, so provide a kind of for main transformer low-pressure side test special
Use fixture.
This utility model the technical scheme is that its bag link for solving the problems referred to above, includes clamp lock and two clampings
Board component, grip block assembly includes insulation board, arcuated alloy tooth bar and flexible cord connection bump, and insulation board is arc, arc
One end of plate is machined with fixed plate, and the other end of arc is machined with grip block, and one end of an insulation board upper mounted plate is with another
Fixed plate on one insulation board is connected by link, and two insulation boards are oppositely arranged, the grip block on an insulation board
Being installed with a clamp lock, clamp lock is stuck on the grip block on another insulation board, a side of each arc
On be respectively equipped with an arcuated alloy tooth bar, arcuated alloy tooth bar intrados on insulation board is fixedly mounted on insulation board
On side, and two arcuated alloy tooth bars are oppositely arranged, and the extrados of each alloy tooth bar are machined with a flexible cord respectively even
Connect projection.
The beneficial effects of the utility model are:
When 1, can ensure that test by special fixture of the present utility model, the safety of operation is guaranteed, and this practicality simultaneously is new
The simple in construction of type is easy to operate.
2, it is machined with a through hole on insulation board 5 of the present utility model, a chain is installed, it is therefore prevented that special in through hole
The phenomenon that fixture is easily lost occurs.
3, it is separately installed with a flexible cord connection bump 6 on each alloy tooth bar 9 of the present utility model, is connected by flexible cord
Protruding 6 are connected with copper cash, operation during convenient test, make operation simpler, save test period.
4, this utility model is directly to be opened by lock 10 when using, and is opened by two grip blocks 2, and main transformer low-voltage terminal is placed on
Two insulation board 5 centre, close 2-in-1 for two grip blocks, then are locked by lock 10.Easy-to-connect is simple and direct, reduces and connects
The line time.Prevent in conventional process of the test, pinch pinch loosely or external environment factor impact cause come off, it is ensured that
Experimental safe.By the active force of shell fragment 3 with lock 10, while being clamped by main transformer low-voltage terminal, arcuated alloy tooth bar has
The advantage that surface area is big.On the one hand can contact very well with main transformer low-voltage terminal.On the other hand main transformer low-pressure end sublist can be broken
The oxide layer in face, makes certainty of measurement be effectively improved.
Accompanying drawing explanation
Fig. 1 is this utility model overall structure front view, Fig. 2 be in Fig. 1 A-A to top view.
Detailed description of the invention
Detailed description of the invention one: combine Fig. 1-Fig. 2 and present embodiment is described, a kind of for main transformer pressure described in present embodiment
The special fixture of device low-pressure side test, its bag link 7, includes clamp lock 10 and two grip block assemblies, grip block assembly
Including insulation board 5, arcuated alloy tooth bar 9 and flexible cord connection bump 6, insulation board 5 is arc, and one end of arc adds
Work has fixed plate 1, and the other end of arc is machined with grip block 2, one end of insulation board 5 upper mounted plate 1 and another
Fixed plate 1 on individual insulation board 5 is connected by link 7, and two insulation boards 5 are oppositely arranged, an insulation board 5
On grip block 2 be installed with a clamp lock 10, clamp lock 10 is stuck in the grip block 2 on another insulation board 5
On, a side of each arc is respectively equipped with an arcuated alloy tooth bar 9, arcuated alloy tooth bar 9 is near insulation board
Intrados on 5 is fixedly mounted on the side of insulation board 5, and two arcuated alloy tooth bars 9 are oppositely arranged, each alloy
A flexible cord connection bump 6 it is machined with respectively on the extrados of tooth bar 9.In present embodiment with clamp lock 10 phase is installed
To being provided with draw-in groove on the grip block 2 of insulation board 5, clamp lock 10 is stuck on draw-in groove, and then ensures two grip block assemblies
It is locked on binding post.
Detailed description of the invention two: combine Fig. 1-Fig. 2 and present embodiment is described, a kind of for main transformer pressure described in present embodiment
The special fixture of device low-pressure side test, each arcuated alloy tooth bar 9 is threaded hole 8, and screwed hole 8 is provided with one
Individual screw, each arcuated alloy tooth bar 9 is arranged on an insulation board 5 by screw, other and detailed description of the invention one phase
With.
Detailed description of the invention three: combine Fig. 1-Fig. 2 and present embodiment is described, a kind of for main transformer pressure described in present embodiment
The special fixture of device low-pressure side test, described arcuated alloy tooth bar 9 is the arcuated alloy tooth bar having Cu alloy material to make, its
It is identical with detailed description of the invention one or two.
Detailed description of the invention four: combine Fig. 1-Fig. 2 and present embodiment is described, a kind of for main transformer pressure described in present embodiment
The special fixture of device low-pressure side test, said two fixed plate 1 is rotationally connected by link 7, other and specific embodiment party
Formula one is identical.
Detailed description of the invention five: combine Fig. 1-Fig. 2 and present embodiment is described, a kind of for main transformer pressure described in present embodiment
The special fixture of device low-pressure side test, described each flexible cord connection bump 6 is installed by welding with an annealed copper wire, other and tool
Body embodiment four is identical.
Detailed description of the invention six: combine Fig. 1-Fig. 2 and present embodiment is described, a kind of for main transformer pressure described in present embodiment
The special fixture of device low-pressure side test, any one insulation board 5 is machined with a through hole 4, other and detailed description of the invention
One is identical.
Detailed description of the invention seven: combine Fig. 1-Fig. 2 and present embodiment is described, a kind of for main transformer pressure described in present embodiment
The special fixture of device low-pressure side test, the thickness of described insulation board 5 is 6mm-10mm, other and detailed description of the invention one
Identical.
Detailed description of the invention eight: combine Fig. 1-Fig. 2 and present embodiment is described, a kind of for main transformer pressure described in present embodiment
The special fixture of device low-pressure side test, described link 7 includes two ' L ' shape bars and two straight-bars, two ' L ' shapes
Bar side by side parallel is arranged, and one end of one end of ' L ' shape bar and another ' L ' the shape bar being positioned at the same side is passed through
One straight-bar is fixing to be connected, the other end of the other end of ' L ' shape bar and another ' L ' the shape bar being positioned at the same side
Connecting by another straight-bar is fixing, other is identical with detailed description of the invention one.
Detailed description of the invention nine: combine Fig. 1-Fig. 2 and present embodiment is described, a kind of for main transformer pressure described in present embodiment
The special fixture of device low-pressure side test, the fixed plate that described fixed plate 1 is made up of insulant, grip block 2 is by insulating
The grip block that material is made, the insulation board that insulation board 5 is made up of insulant, other is identical with detailed description of the invention one.
Detailed description of the invention ten: combine Fig. 1-Fig. 2 and present embodiment is described, a kind of for main transformer pressure described in present embodiment
The special fixture of device low-pressure side test, it also includes shell fragment 3, and the fixing end of shell fragment 3 is fixed on a grip block 2, bullet
The elastic tip of sheet 3 is arranged between two relative grip blocks 2, is separated by two grip blocks 2 by the elastic tip of shell fragment 3
Open, and then ensure that two grip blocks 2 are clamped pinning by clamp lock 10.Other is identical with detailed description of the invention one.
Operation principle
During utility model works, clamp lock 10 is opened, make two grip blocks 2 separate, two insulation boards 5 are fastened on
On binding post, by arcuated alloy tooth bar 9, this test fixture is clipped on binding post, by clamp lock 10 by two
The fixing locking of grip block 2, is connected by two flexible cord connection bumps 6 with mild steel line and is connected with External Test Equipment, and then
Complete the purpose of test clamping.
Claims (10)
1. the special fixture for the test of main transformer low-pressure side, it is characterised in that: its bag link (7), include fixture
Lock (10) and two grip block assemblies, grip block assembly includes that insulation board (5), arcuated alloy tooth bar (9) and flexible cord connect
Protruding (6), insulation board (5) is arc, and one end of arc is machined with fixed plate (1), the other end processing of arc
There are grip block (2), one end of an insulation board (5) upper mounted plate (1) and the fixed plate (1) on another insulation board (5)
Connected by link (7), and two insulation boards (5) are oppositely arranged, the grip block (2) on an insulation board (5)
Being installed with a clamp lock (10), clamp lock (10) is stuck on the grip block (2) on another insulation board (5),
Being respectively equipped with an arcuated alloy tooth bar (9) on one side of each arc, arcuated alloy tooth bar (9) is near insulation board
(5) intrados on is fixedly mounted on the side of insulation board (5), and two arcuated alloy tooth bars (9) are oppositely arranged,
A flexible cord connection bump (6) it is machined with respectively on the extrados of each alloy tooth bar (9).
A kind of special fixture for the test of main transformer low-pressure side, it is characterised in that: each
It is threaded hole (8) on arcuated alloy tooth bar (9), and screwed hole (8) is provided with a screw, each arcuated alloy
Tooth bar (9) is arranged on an insulation board (5) by screw.
A kind of special fixture for the test of main transformer low-pressure side, it is characterised in that: described
Arcuated alloy tooth bar (9) is the arcuated alloy tooth bar having Cu alloy material to make.
A kind of special fixture for the test of main transformer low-pressure side, it is characterised in that: described
Two fixed plates (1) are rotationally connected by link (7).
A kind of special fixture for the test of main transformer low-pressure side, it is characterised in that: each
An annealed copper wire it is installed by welding with in flexible cord connection bump (6).
A kind of special fixture for the test of main transformer low-pressure side, it is characterised in that: described
A through hole (4) it is machined with on any one insulation board (5).
7. according to the special fixture for the test of main transformer low-pressure side a kind of described in claim 1 or 6, it is characterised in that:
The thickness of described insulation board (5) is 6mm-10mm.
8. according to the special fixture for the test of main transformer low-pressure side a kind of described in claim 1 or 6, it is characterised in that:
Described link (7) includes that two ' L ' shape bars and two straight-bars, two ' L ' shape bar side by side parallel are arranged, and one
One end of ' L ' shape bar is connected by a straight-bar is fixing with one end of another ' L ' the shape bar being positioned at the same side, one ' L '
The other end of shape bar is connected by another straight-bar is fixing with the other end of another ' L ' the shape bar being positioned at the same side.
9. according to the special fixture for the test of main transformer low-pressure side a kind of described in claim 1 or 6, it is characterised in that:
The fixed plate that described fixed plate (1) is made up of insulant, the grip block that grip block (2) is made up of insulant,
The insulation board that insulation board (5) is made up of insulant.
10. according to the special fixture for the test of main transformer low-pressure side a kind of described in claim 1 or 6, it is characterised in that:
It also includes that shell fragment (3), the fixing end of shell fragment (3) are fixed on a grip block (2), and the elastic tip of shell fragment (3) sets
Put between two relative grip blocks (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620490089.9U CN205643416U (en) | 2016-05-25 | 2016-05-25 | A special fixture for main transformer low tension side is experimental |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620490089.9U CN205643416U (en) | 2016-05-25 | 2016-05-25 | A special fixture for main transformer low tension side is experimental |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205643416U true CN205643416U (en) | 2016-10-12 |
Family
ID=57052286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620490089.9U Active CN205643416U (en) | 2016-05-25 | 2016-05-25 | A special fixture for main transformer low tension side is experimental |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205643416U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105866479A (en) * | 2016-05-25 | 2016-08-17 | 黑龙江省电力有限公司牡丹江水力发电总厂 | Special clamp for test on low pressure side of main transformer |
-
2016
- 2016-05-25 CN CN201620490089.9U patent/CN205643416U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105866479A (en) * | 2016-05-25 | 2016-08-17 | 黑龙江省电力有限公司牡丹江水力发电总厂 | Special clamp for test on low pressure side of main transformer |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |