CN212693170U - Sealing experimental device for power transformer - Google Patents
Sealing experimental device for power transformer Download PDFInfo
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- CN212693170U CN212693170U CN202021220063.5U CN202021220063U CN212693170U CN 212693170 U CN212693170 U CN 212693170U CN 202021220063 U CN202021220063 U CN 202021220063U CN 212693170 U CN212693170 U CN 212693170U
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- flange
- input port
- oil filling
- manometer
- power transformer
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Abstract
The utility model discloses a sealed experimental apparatus of power transformer, including transformer box, ball-type valve and manometer, one side of ball-type valve is provided with first flange, the valve switch that is provided with on the first flange, and the one end of valve switch is connected with the switch handle, and the top of oiling mouth flange is provided with the manometer base, is connected with metal collapsible tube on the manometer, and metal collapsible tube's the other end is connected with input port connection spare, has cup jointed fastening nut on the input port connection spare. This novel manometer seat snap-on is in the bottom of spherical hydrovalve, on the one hand direct detection atmospheric pressure, and on the other hand makes things convenient for maintenance and dismantlement, directly changes the manometer, shortens delivery time, improves work efficiency, through flange fixed connection, improves spherical valve's stability and guarantees the leakproofness of structure simultaneously, and metal collapsible tube is convenient for look over the registration to effectual guarantee power transformer seals up the experiment.
Description
Technical Field
The utility model belongs to the technical field of the transformer, concretely relates to sealed experimental apparatus of power transformer.
Background
The insulation performance and the electrical performance of the transformer may change, and in order to ensure safe operation, necessary tests must be performed on the transformer to determine whether the transformer can meet the requirements of safe operation, generally speaking, a preventive test should be performed on the distribution transformer every year;
the sealing experiment of the power transformer used at present is that a pressure gauge is added with a valve needle, the operation is not very convenient, the phenomenon of air leakage occurs in the old time, the experiment reworks are more, the working efficiency is lower, and the problems of cost increase, delivery time extension and the like are caused to a company due to reworking.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a power transformer seals experimental apparatus to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a sealing experiment device for a power transformer comprises a transformer box body, a spherical valve and a pressure gauge, wherein an oil filling port is formed in the upper end face of the transformer box body, an oil filling port connecting block is fixedly arranged on the oil filling port, an oil filling port assembling hole is formed in the oil filling port connecting block, an oil filling port flange and an input port flange are symmetrically arranged on the spherical valve, and the oil filling port flange is matched with the oil filling port for use;
a first connecting flange is fixedly arranged on one side of the spherical valve, a valve switch fixedly connected through bolts is fixedly arranged on the first connecting flange, and one end of the valve switch is rotatably connected with a switch handle;
the fixed manometer base that is provided with in top of oiling mouth flange, the fixed spliced pole that is provided with on the manometer base, fixedly connected with metal collapsible tube on the manometer, metal collapsible tube's other end fixedly connected with input port connecting piece, fastening nut has been cup jointed in the activity on the input port connecting piece, defeated
And the other end of the inlet connecting piece is fixedly provided with a plug-in connector matched with the pressure input port.
Preferably, a second connecting flange is fixedly arranged at the other end of the valve switch, and the first connecting flange is fixedly connected with the second connecting flange through bolts.
Preferably, a second sealing ring is fixedly arranged at the joint of the oil filling port flange and the oil filling port connecting block.
Preferably, a first sealing ring is fixedly arranged at the joint of the plug connector and the pressure input port.
Preferably, the fastening nut is fixedly provided with a first anti-slip thread.
Preferably, two ends of the input port connecting piece are fixedly provided with limiting blocks.
Preferably, the switch handle is fixedly provided with a second anti-skid thread.
The utility model discloses a technological effect and advantage:
1. the oiling mouth connecting block and the oiling mouth flange fixed connection on the upper end face oiling mouth of the transformer tank body have simple structure, and the sealing performance of the structure is ensured while the stability of the spherical valve is improved.
2. Through flange fixed connection, improve the leakproofness of device, under the condition of convenient operation of switch handle and reduction gas leakage reworking simultaneously, fine played power transformer and sealed the experiment.
3. The direction of metal collapsible tube rotation manometer of being convenient for is convenient for look over the registration, improves the convenience, and the manometer seat setting just can install fast on ball valve simultaneously, both can make things convenient for the maintenance and the change in later stage, is favorable to improving the leakproofness of device again, improves the effect of using to the sealed experiment of effectual guarantee power transformer.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor. Wherein:
fig. 1 is an exploded schematic view of the present invention;
fig. 2 is a perspective view of the present invention;
fig. 3 is a schematic cross-sectional view of an input port connector of the present invention;
fig. 4 is a schematic perspective view of the input port connector of the present invention;
fig. 5 is a schematic perspective view of the connecting column of the present invention.
In the figure: 1. a transformer tank body; 101. an oil filling port connecting block; 102. an oil filling port assembly hole; 103. an oil filling port; 2. a ball valve; 201. a first connecting flange; 202. an oil filling port flange; 203. an input port flange; 3. opening and closing a valve; 301. a second connecting flange; 4. a pressure gauge base; 401. connecting columns; 402. a pressure input port; 5. a pressure gauge; 502. a metal hose; 503. fastening a nut; 504. an input port connection; 505. a limiting block; 506. a plug-in connector; 6. a switch handle; 7. a first seal ring; 8. a first anti-skid pattern; 9. a second anti-skid pattern; 11. and a second seal ring.
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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a power transformer seals experimental apparatus as shown in fig. 1-5, including transformer box 1, ball-type valve 2 and manometer 5, the upper end face of transformer box 1 has seted up oiling mouth 103, the fixed oiling mouth connecting block 101 that is provided with on oiling mouth 103, oiling mouth pilot hole 102 has been seted up on oiling mouth connecting block 101, ball-type valve 2 is last to be provided with oiling mouth flange 202 and input port flange 203 symmetrically, oiling mouth flange 202 uses with oiling mouth 103 cooperation, simple structure, the leakproofness of structure is guaranteed simultaneously to the stability that improves ball-type valve;
the fixed first flange 201 that is provided with in one side of globe valve 2, the fixed valve switch 3 that is provided with through bolt fixed connection on the first flange 201, valve switch 3's one end is rotated and is connected with switch handle 6, valve switch 3's the other end is fixed and is provided with second flange 301, first flange 201 passes through bolt fixed connection with second flange 301, through flange fixed connection, improve device's leakproofness, simultaneously through switch handle 6 convenient operation and reduce under the condition of gas leakage reworking, the fine sealed experiment of power transformer that has played.
The fixed manometer base 4 that is provided with in top of oiling mouth flange 202, the fixed spliced pole 401 that is provided with on manometer base 4, fixedly connected with metal collapsible tube 502 on the manometer 5, the other end fixedly connected with input port connecting piece 504 of metal collapsible tube 502, fastening nut 503 has been cup jointed in the activity on the input port connecting piece 504, the fixed bayonet joint 506 that uses with pressure input port 402 that is provided with of the other end of input port connecting piece 504, facilitate the use and connect, metal collapsible tube 502 is convenient for rotate the direction of manometer 5, be convenient for look into
The indication number is seen, the convenience is improved, meanwhile, the pressure gauge seat 4 is arranged on the spherical valve 2 and can be installed quickly, the maintenance and the replacement in the later period can be facilitated, the sealing performance of the device is improved, the use effect is improved, and therefore the sealing experiment of the power transformer is effectively guaranteed.
In this embodiment, as shown in fig. 1, the second sealing ring 11 is fixedly disposed at the connection point of the oil filler flange 202 and the oil filler connection block 101, and the first sealing ring 7 is fixedly disposed at the connection point of the plug 506 and the pressure input port 402, which is helpful for improving the sealing performance of the device.
In this embodiment, as shown in fig. 2 and 4, the fastening nut 503 is fixedly provided with the first anti-slip threads 8, and the switch handle 6 is fixedly provided with the second anti-slip threads 9, so that friction is increased, and the use efficiency is improved.
In this embodiment, as shown in fig. 3 and 4, the two ends of the input port connection member 504 are fixedly provided with the stoppers 505, which is beneficial to the fastening nut 503 to increase the sealing performance of the device by squeezing the stoppers 505, and meanwhile, the stoppers on the rear side help to prevent the fastening nut from slipping during the installation and maintenance process, so that the installation and fastening are inconvenient, and the installation efficiency is improved.
As shown in fig. 1 to fig. 5, the principle of the sealing experimental apparatus for power transformer provided in this embodiment is as follows: oiling port connecting block 101 and oiling port flange 202 on oiling port 103 on the upper end face of transformer tank 1 are fixedly connected, first connecting flange 201 on one side of ball valve 2 is fixedly connected with second connecting flange 301 of valve switch 3 through bolts, pressure on-off is controlled through switch handle 6 at one end of valve switch 3, pressure gauge base 4 is fixed on ball valve 2, fixedly connected with metal hose 502 on pressure gauge 5, input port connecting piece 504 connected with metal hose 502, plug 506 is inserted in pressure input port 402, and fastening nut 503 on rotary input port connecting piece 504 is used for connecting input port connecting piece
504 are fastened to the connecting column 401 and seal rings are placed to prevent air leakage.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (7)
1. The utility model provides a sealed experimental apparatus of power transformer, includes transformer box (1), ball valve (2), manometer (5) and pressure input port (402), its characterized in that: an oil filling port (103) is formed in the upper end face of the transformer box body (1), an oil filling port connecting block (101) is fixedly arranged on the oil filling port (103), an oil filling port assembling hole (102) is formed in the oil filling port connecting block (101), an oil filling port flange (202) and an input port flange (203) are symmetrically arranged on the spherical valve (2), and the oil filling port flange (202) is matched with the oil filling port (103) for use;
a first connecting flange (201) is fixedly arranged on one side of the spherical valve (2), a valve switch (3) fixedly connected through bolts is fixedly arranged on the first connecting flange (201), and one end of the valve switch (3) is rotatably connected with a switch handle (6);
the fixed manometer base (4) that is provided with in top of oiling mouth flange (202), the fixed spliced pole (401) that is provided with on manometer base (4), fixedly connected with metal collapsible tube (502) on manometer (5), the other end fixedly connected with input port connecting piece (504) of metal collapsible tube (502), fastening nut (503) have been cup jointed in the activity on input port connecting piece (504), the other end of input port connecting piece (504) fixed be provided with bayonet joint (506) that pressure input port (402) cooperation was used.
2. The power transformer sealing experiment device according to claim 1, wherein: the other end of the valve switch (3) is fixedly provided with a second connecting flange (301), and the first connecting flange (201) is fixedly connected with the second connecting flange (301) through bolts.
3. The power transformer sealing experiment device according to claim 1, wherein: and a second sealing ring (11) is fixedly arranged at the joint of the oil filling port flange (202) and the oil filling port connecting block (101).
4. The power transformer sealing experiment device according to claim 1, wherein: and a first sealing ring (7) is fixedly arranged at the joint of the plug connector (506) and the pressure input port (402).
5. The power transformer sealing experiment device according to claim 1, wherein: and a first anti-skid thread (8) is fixedly arranged on the fastening nut (503).
6. The power transformer sealing experiment device according to claim 1, wherein: and two ends of the input port connecting piece (504) are fixedly provided with limit blocks (505).
7. The power transformer sealing experiment device according to claim 1, wherein: and a second anti-skid grain (9) is fixedly arranged on the switch handle (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021220063.5U CN212693170U (en) | 2020-06-28 | 2020-06-28 | Sealing experimental device for power transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021220063.5U CN212693170U (en) | 2020-06-28 | 2020-06-28 | Sealing experimental device for power transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212693170U true CN212693170U (en) | 2021-03-12 |
Family
ID=74894505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021220063.5U Active CN212693170U (en) | 2020-06-28 | 2020-06-28 | Sealing experimental device for power transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212693170U (en) |
-
2020
- 2020-06-28 CN CN202021220063.5U patent/CN212693170U/en active Active
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