CN213779606U - Special tool for chemical examination and oil taking of oil-immersed transformer - Google Patents
Special tool for chemical examination and oil taking of oil-immersed transformer Download PDFInfo
- Publication number
- CN213779606U CN213779606U CN202022572668.7U CN202022572668U CN213779606U CN 213779606 U CN213779606 U CN 213779606U CN 202022572668 U CN202022572668 U CN 202022572668U CN 213779606 U CN213779606 U CN 213779606U
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- oil
- valve
- pipe
- sample
- stop valve
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- 239000000126 substance Substances 0.000 title claims abstract description 12
- 238000005070 sampling Methods 0.000 claims abstract description 30
- 238000002347 injection Methods 0.000 claims abstract description 25
- 239000007924 injection Substances 0.000 claims abstract description 25
- 230000001681 protective effect Effects 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 239000002699 waste material Substances 0.000 claims abstract description 6
- 238000000605 extraction Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 abstract description 6
- 230000006378 damage Effects 0.000 abstract description 4
- 208000027418 Wounds and injury Diseases 0.000 abstract description 3
- 208000014674 injury Diseases 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 2
- 241000282693 Cercopithecidae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000012857 repacking Methods 0.000 description 1
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Abstract
The utility model discloses an oil-immersed transformer chemical examination special tool that fetches oil, including transformer body and disposable sampling subassembly, one side threaded connection of transformer body has the stop valve, stop valve one end threaded connection has the needle valve, the relative stop valve one end threaded connection pagoda of needle valve connects, disposable sampling subassembly includes three-way valve and sample injection pipe, inlet pipe, collection material pipe and waste liquid pipe are connected respectively to the three interface of three-way valve, the sample injection pipe is connected to the one end of collection material pipe. The utility model discloses need not to reuse the spanner during the use and dismantle the plug, only need with the hand take off after the protective sheath open gently sample stop valve and needle valve can, avoided because of sample stop valve inefficacy can't close the oil blowout bodily injury and the unrestrained pollution that arouses, still can rely on the needle valve to realize controlling and sealed after the sample valve is totally malfunctioning, reduce because of the potential safety hazard that the operation of sampling operation brought for the transformer.
Description
Technical Field
The utility model relates to a get oily specialized tool technical field, especially relate to an oil-immersed transformer chemical examination gets oily specialized tool.
Background
The 500KV transformer insulating oil sampling valve of the pumped storage power station is an external thread stop valve of DN32, and the end surface of the valve is sealed by a plug. The chemical examination of transformer oil dissolved gas component need be done a plurality of times every year, need twist the plug earlier with monkey wrench during the sample, the homemade sampling head of a DN32 of repacking, but the hose of sampling head joinable phi 7 is taken a sample, closes the sample valve after the sample is ended, pulls down the sample hollow tube, changes the plug and screws up, and the sample is ended.
But the seepage of sample valve portion can't be guaranteed among the actual sampling process, though the plug can play effectual sealed, in case can't be closed tightly after the sample valve became invalid, the process of dismouting plug will cause body oil to leak the blowout, spout to the operating personnel and probably cause the bodily injury on one's body, unrestrained ground probably causes ground environmental pollution, if remove the oil in the oil tank after the plug after the sample valve completely fails and can last all to flow so that cause transformer trouble or damage transformer coil. In addition, the shut-off valve of DN32 is too large in size, and when the valve is opened, it is difficult to control the opening, which easily causes the discharge of too large a flow rate. The sampling amount of the dissolved gas component of the transformer oil in the test is about 60ml, and the valve is not easy to operate by directly opening and closing. In addition, the sealed sampling of the transformer oil cannot be realized, and a hose is directly connected with a sampling head and an injector during daily sampling, so that air existing in the hose and the injector cannot be discharged.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art, and providing a special tool for testing and oil taking of an oil-immersed transformer.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an oil-immersed transformer chemical examination gets oily specialized tool, includes transformer body and disposable sampling assembly, one side threaded connection of transformer body has the stop valve, stop valve one end threaded connection has the needle valve, the relative stop valve one end threaded connection pagoda of needle valve connects, disposable sampling assembly includes three-way valve and sample injection syringe, inlet pipe, collection material pipe and waste liquid pipe are connected respectively to the three interface of three-way valve, the sample injection syringe is connected to the one end of collection material pipe.
As a further description of the above technical solution: the both sides link of needle valve is the internal thread setting, the both ends of needle valve set up respectively with stop valve and pagoda joint assorted hickey.
As a further description of the above technical solution: one end of the pagoda joint is provided with a connecting pipe end of a stacked tower shape, and the diameter of the connecting pipe end of the pagoda joint is larger than the inner diameter of the feeding pipe.
As a further description of the above technical solution: one side of the pagoda joint is provided with a protective sleeve matched with the pagoda joint, and the protective sleeve is provided with a single-side opening.
As a further description of the above technical solution: the opening end is established sealed cap in the cover after the sample injection tube is taken a sample, sealed cap and sample injection tube opening part phase-match.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses in, need not to reuse the spanner during use and dismantle the plug, only need with the hand take off after the protective sheath open gently sample stop valve and needle valve can, avoided because of sample stop valve inefficacy can't close the oil blowout bodily injury and the unrestrained pollution that arouses, still can rely on the needle valve to realize controlling and sealed when the complete malfunctioning back of sample valve, reduce because of the potential safety hazard that the operation of sampling operation brought for the transformer.
2. The utility model discloses in, but the inlet pipe lug connection is on the pagoda joint, realizes the completely isolated air influence of sample through the control three-way valve, guarantees the representativeness of sample, and greatly reduced leaks the risk, improves work efficiency.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the axial-side three-dimensional structure of the present invention;
fig. 3 is a schematic plan view of the present invention;
fig. 4 is an enlarged view of a position a in fig. 2 of the present invention:
fig. 5 is a schematic view of the sealing cap of the present invention.
Illustration of the drawings:
1. a transformer body; 2. a stop valve; 3. a needle valve; 4. a pagoda joint; 5. a protective sleeve; 6. a disposable sampling assembly; 7. a three-way valve; 8. a feed pipe; 9. a material collecting pipe; 10. a waste liquid pipe; 11. a sampling injection tube; 12. and (5) sealing the cap.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-5, a special tool for oil extraction in chemical examination of oil-immersed transformer, including transformer body 1 and disposable sampling assembly 6, one side threaded connection of transformer body 1 has stop valve 2, 2 one end threaded connection of stop valve has needle valve 3, 2 one end threaded connection pagoda connectors 4 of the relative stop valve of needle valve 3, disposable sampling assembly 6 includes three-way valve 7 and sample injection pipe 11, inlet pipe 8, collecting pipe 9 and waste liquid pipe 10 are connected respectively to three interface of three-way valve 7, sample injection pipe 11 is connected to the one end of collecting pipe 9.
In this embodiment, it is preferred, 3 both sides links of needle valve are the internal thread setting, and the both ends of needle valve 3 set up respectively with stop valve 2 and pagoda joint 4 assorted hickey, and the threaded connection of stop valve 2 and pagoda joint 4 can be carried out through needle valve 3 that the internal thread of both sides set up, connects conveniently, provides sealed effect through threaded connection simultaneously, avoids the leakage of inside oil body.
In this embodiment, preferably, one end of the pagoda joint 4 is provided with a stacked tower-shaped pipe connecting end, the diameter of the pipe connecting end of the pagoda joint 4 is larger than the set inner diameter of the feed pipe 8, the feed pipe 8 is clamped and connected through the tower-stacked pipe connecting end at one end of the pagoda joint 4, the tower-stacked pipe connecting ends can be tightly and hermetically connected, and leakage of oil bodies in the process of sampling is avoided.
In this embodiment, preferably, pagoda joint 4 one side set up with assorted protective sheath 5, and protective sheath 5 is the unilateral opening setting, and protective sheath 5 can protect pagoda joint 4 when pagoda joint 4 does not take a sample, avoids the pollution jam of pagoda joint 4.
In this embodiment, preferably, the open end cover is established sealed cap 12 after sample injection tube 11 takes a sample, and sealed cap 12 matches with 11 openings of sample injection tube, and sample injection tube 11 accessible sealed cap 12 is sealed after the sample, avoids the oil body after the sample to leak.
The working principle is as follows: when the device is used, the protective sleeve 5 of the pagoda joint 4 is taken down, the sampling stop valve 2 and the needle valve 3 are opened carefully in sequence to allow oil to flow out slowly, the feed pipe 8 is connected with the pagoda joint 4, the feed pipe 8 and the three-way valve 7 are washed, the three-way valve 7 is rotated, oil is injected into the sampling injection pipe 11 by using the pressure of the oil so as to moisten and wash the injector, after the injector is washed, the three-way valve 7 is rotated to extrude the oil body out through the sampling injection pipe 11, the waste liquid pipe 10 is led out, the sampling injection pipe 11 is repeatedly washed for 2 to 3 times, the sampling injection pipe 11 is emptied, the rotating three-way valve 7 is isolated from the atmosphere, the oil in the device slowly enters the sampling injection pipe 11 under the natural pressure, when the oil sample in the sampling injection pipe 11 reaches about 70ml, the three-way valve 7 is immediately rotated, the sampling injection pipe 11 is taken down from the material collecting pipe 9, the sealing cap 12 covers the opening end of the sampling injection pipe 11, the sampling injection tube 11 is arranged in a special oil sample box.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides an oily specialized tool is got in chemical examination of oil-immersed transformer, includes transformer body (1) and disposable sampling subassembly (6), its characterized in that: one side threaded connection of transformer body (1) has stop valve (2), stop valve (2) one end threaded connection has needle valve (3), relative stop valve (2) one end threaded connection pagoda of needle valve (3) connects (4), disposable sample subassembly (6) are including three-way valve (7) and sample injection pipe (11), inlet pipe (8), collecting pipe (9) and waste liquid pipe (10) are connected respectively to the three interface of three-way valve (7), sample injection pipe (11) is connected to the one end of collecting pipe (9).
2. The special tool for oil extraction in chemical examination of oil-immersed transformer of claim 1, wherein: the both sides link of needle valve (3) is the internal thread setting, the both ends of needle valve (3) set up respectively with stop valve (2) and pagoda joint (4) assorted hickey.
3. The special tool for oil extraction in chemical examination of oil-immersed transformer of claim 1, wherein: one end of the pagoda joint (4) is provided with a connecting pipe end of a stacked tower type, and the diameter of the connecting pipe end of the pagoda joint (4) is larger than the inner diameter of the feeding pipe (8).
4. The special tool for oil extraction in chemical examination of oil-immersed transformer of claim 1, wherein: one side of the pagoda joint (4) is provided with a protective sleeve (5) matched with the pagoda joint, and the protective sleeve (5) is provided with a single-side opening.
5. The special tool for oil extraction in chemical examination of oil-immersed transformer of claim 1, wherein: the open end cover is established sealed cap (12) after sample injection tube (11) sample, sealed cap (12) and sample injection tube (11) opening part phase-match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022572668.7U CN213779606U (en) | 2020-11-09 | 2020-11-09 | Special tool for chemical examination and oil taking of oil-immersed transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022572668.7U CN213779606U (en) | 2020-11-09 | 2020-11-09 | Special tool for chemical examination and oil taking of oil-immersed transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213779606U true CN213779606U (en) | 2021-07-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022572668.7U Active CN213779606U (en) | 2020-11-09 | 2020-11-09 | Special tool for chemical examination and oil taking of oil-immersed transformer |
Country Status (1)
| Country | Link |
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| CN (1) | CN213779606U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114414302A (en) * | 2021-12-03 | 2022-04-29 | 国网山西省电力公司超高压变电分公司 | Transformer oil taking device with replaceable interface |
-
2020
- 2020-11-09 CN CN202022572668.7U patent/CN213779606U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114414302A (en) * | 2021-12-03 | 2022-04-29 | 国网山西省电力公司超高压变电分公司 | Transformer oil taking device with replaceable interface |
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