CN216772970U - Sheath of power transformer - Google Patents
Sheath of power transformer Download PDFInfo
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- CN216772970U CN216772970U CN202122749425.0U CN202122749425U CN216772970U CN 216772970 U CN216772970 U CN 216772970U CN 202122749425 U CN202122749425 U CN 202122749425U CN 216772970 U CN216772970 U CN 216772970U
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Abstract
The utility model relates to the technical field of transformers, in particular to a power transformer sheath which comprises a first shell mechanism, wherein a second shell mechanism is arranged on one side of the first shell mechanism, a first fastening ring is arranged at the top of the first shell mechanism, a first protective coil is arranged in the middle of the top of the first shell mechanism, a second fastening ring is arranged at the bottom of the first shell mechanism, and a second protective coil is arranged in the middle of the bottom of the first shell mechanism. The utility model has the advantages that: when the spare part maintenance is changed to needs, can tear first tight loop and the second tight loop of outside off earlier, make sealed voussoir and sealed draw-in groove separation for first casing and second casing separation reach convenient dismantlement and replacement, promote the availability factor, when the installation, the protective coil is passed at the both ends of transformer wiring end, because the external diameter of wiring end is greater than protective coil's internal diameter, can make wiring port department reach sealedly, can promote the safety in utilization.
Description
Technical Field
The utility model relates to the technical field of transformers, in particular to a sheath of a power transformer.
Background
The sheath of the power transformer is suitable for insulation protection of high and low voltage pile heads of an outdoor transformer or a box-type transformer, prevents metal oxidation of a wiring (contact) part, and avoids electrical accidents caused by condensation, small animals entering, falling branches, garbage and the like. But present power transformer sheath, the structure is difficult for dismantling, is unfavorable for later maintenance and change, influences the availability factor. The existing power transformer sheath is poor in sealing performance, and the wiring ends at two ends of the transformer are provided with gaps, so that dust, water drops and other impurities can easily enter the transformer sheath, an electrical accident is easily caused, and the use safety is affected.
The disadvantages of the current power transformer sheath are:
1. the existing power transformer sheath is not easy to disassemble in structure, is not beneficial to later maintenance and replacement, and affects the use efficiency;
2. the existing power transformer sheath is poor in sealing performance, and the wiring ends at two ends of the transformer are provided with gaps, so that dust, water drops and other impurities can easily enter the transformer sheath, an electrical accident is easily caused, and the use safety is affected.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides a sheath for a power transformer.
The purpose of the utility model is realized by the following technical scheme: the utility model provides a power transformer sheath, includes first casing mechanism, one side of first casing mechanism is provided with second casing mechanism, the top of first casing mechanism is provided with first retainer ring, the inside of first retainer ring is provided with first protective coil, the bottom of first casing mechanism is provided with the second retainer ring, the inside of second retainer ring is provided with the second protective coil.
Optionally, the first housing mechanism includes a first housing, the first housing is a hollow housing in the shape of a semicircular frustum, two sides of the first housing are provided with a plurality of sealing wedges, the top of the first housing is provided with a first fastening slot, and the top of the first housing is provided with a first coil protection slot.
Optionally, a second fastening clamping groove is arranged at the bottom of the first shell, and a second coil protection groove is formed in the bottom of the first shell.
Optionally, second casing mechanism includes the second casing, the second casing is semicircle bench type cavity casing, the both sides of second casing are provided with a plurality of sealed draw-in grooves, the size of sealed draw-in groove and the big or small looks adaptation of sealed voussoir, and is a plurality of sealed voussoir joint respectively in the inside of a plurality of sealed draw-in grooves, the second casing passes through a plurality of sealed draw-in grooves and a plurality of sealed voussoir and first casing joint.
Optionally, a third fastening slot is disposed at the top of the second housing, the size of the third fastening slot is the same as that of the first fastening slot, a third coil protection slot is disposed at the top of the second housing, and the size of the third coil protection slot is the same as that of the first coil protection slot.
Optionally, the first fastening ring is made of synthetic rubber, the size of the first fastening ring is smaller than that of the first fastening slot, the size of the first fastening ring is smaller than that of the third fastening slot, and the first fastening ring is sleeved inside the first fastening slot and the third fastening slot.
Optionally, the first protective coil is made of synthetic rubber, the outer diameter of the first protective coil is larger than that of the first protective coil groove, the outer diameter of the first protective coil is larger than that of the third protective coil groove, and the first protective coil is sleeved inside the first protective coil groove and the third protective coil groove.
Optionally, a fourth fastening slot is disposed at the bottom of the second housing, the size of the fourth fastening slot is the same as that of the second fastening slot, a fourth coil protection slot is disposed at the bottom of the second housing, and the size of the fourth coil protection slot is the same as that of the second coil protection slot.
Optionally, the second fastening ring is made of synthetic rubber, the size of the second fastening ring is smaller than that of the second fastening slot, the size of the second fastening ring is smaller than that of the fourth fastening slot, and the second fastening ring is sleeved inside the second fastening slot and the fourth fastening slot.
Optionally, the second protective coil is made of synthetic rubber, the outer diameter of the second protective coil is larger than that of the second protective coil groove, the outer diameter of the second protective coil is larger than that of the fourth protective coil groove, and the second protective coil is sleeved inside the second protective coil groove and the fourth protective coil groove.
The utility model has the following advantages:
1. this power transformer sheath when needing to be changed spare part maintenance, can tear outside first tight loop and second tight loop off earlier, then make sealed voussoir and sealed draw-in groove separation for first casing and second casing separation, thereby reach convenient dismantlement and replacement, promote the availability factor.
2. This power transformer sheath when the installation, first protective coil and second protective coil are passed respectively at the both ends of transformer wiring end, because the external diameter of wiring end is greater than the internal diameter of first protective coil and second protective coil, and the material of first protective coil and second protective coil is synthetic rubber, has certain elasticity, can be so that wiring port department reaches sealedly, is favorable to promoting the safety in utilization.
3. This power transformer sheath, after the wiring end is installed, cup joint first protect coil and second protect coil respectively in first protect coil groove and second protect coil inslot, buckle the second casing this moment, make sealed voussoir and sealed draw-in groove joint, and then reach first casing and second casing and seal, cup joint first protect coil and second protect coil opposite side the inside of third protect coil groove and fourth protect coil groove on the second casing this moment, because the external diameter of first protect coil all is greater than the internal diameter of first protect coil groove and third protect coil groove, the external diameter of second protect coil all is greater than the internal diameter of second protect coil groove and fourth protect coil groove, and the material of first protect coil and second protect coil is synthetic rubber, certain elasticity has, thereby further make equipment reach sealedly, be favorable to promoting the safety in use.
4. This power transformer sheath, after first casing and second casing are installed, cup joint first clamping ring in the inside of first fastening draw-in groove and third fastening draw-in groove, cup joint the second clamping ring in the inside of second fastening draw-in groove and fourth fastening draw-in groove, because first fastening draw-in groove and third fastening draw-in groove are all little to the size of first clamping ring, the size of second clamping ring all is less than second fastening draw-in groove and fourth fastening draw-in groove, and the material of first fastening ring and second clamping ring is synthetic rubber, certain elasticity has, thereby further make equipment reach sealedly, be favorable to promoting the safety in utilization.
Drawings
FIG. 1 is a schematic diagram of a first perspective of the present invention;
FIG. 2 is a schematic diagram of a first perspective exploded view of the present invention;
FIG. 3 is a schematic diagram of a second perspective of the present invention;
FIG. 4 is a schematic view of the cross section taken along the line A-A in FIG. 3 according to the present invention;
FIG. 5 is a schematic structural diagram of the first housing mechanism of the present invention;
fig. 6 is a schematic structural diagram of a second housing mechanism according to the present invention.
In the figure: 1-first housing means, 101-first housing, 102-sealing wedge, 103-first fastening slot, 104-first loop-protecting slot, 105-second fastening slot, 106-second loop-protecting slot, 2-second housing means, 201-second housing, 202-sealing slot, 203-third fastening slot, 204-third loop-protecting slot, 205-fourth fastening slot, 206-fourth loop-protecting slot, 3-first fastening loop, 4-first loop-protecting, 5-second fastening loop, 6-second loop-protecting.
Detailed Description
The utility model will be further described with reference to the accompanying drawings, but the scope of the utility model is not limited to the following.
As shown in fig. 1 to 6, a sheath for a power transformer includes a first casing mechanism 1, a second casing mechanism 2 is disposed on one side of the first casing mechanism 1, a first fastening ring 3 is disposed on the top of the first casing mechanism 1, a first protective coil 4 is disposed inside the first fastening ring 3, a second fastening ring 5 is disposed on the bottom of the first casing mechanism 1, and a second protective coil 6 is disposed inside the second fastening ring (5).
As a preferred technical scheme of the utility model: the first shell mechanism 1 comprises a first shell 101, the first shell 101 is a semi-circular truncated cone type hollow shell, a plurality of sealing wedges 102 are arranged on two sides of the first shell 101, a first fastening clamping groove 103 is arranged on the top of the first shell 101, and a first coil protecting groove 104 is formed in the top of the first shell 101.
As a preferred technical scheme of the utility model: the bottom of the first casing 101 is provided with a second fastening slot 105, and the bottom of the first casing 101 is provided with a second coil protecting slot 106.
As a preferred technical scheme of the utility model: second casing mechanism 2 includes second casing 201, second casing 201 is semicircle bench type hollow casing, the both sides of second casing 201 are provided with a plurality of sealed draw-in grooves 202, the size of sealed draw-in groove 202 and the big or small looks adaptation of sealed voussoir 102, a plurality of sealed voussoir 102 joint respectively in the inside of a plurality of sealed draw-in grooves 202, second casing 201 is through a plurality of sealed draw-in grooves 202 and a plurality of sealed voussoir 102 and first casing 101 joint, when needing to be changed spare part maintenance, can tear outside first tighrening ring 3 and second tighrening ring 6 down earlier, then make sealed voussoir 102 and sealed draw-in groove 202 separation, make first casing 101 and second casing 201 separation, thereby reach convenient dismantlement and replacement, promote the availability factor.
As a preferred technical scheme of the utility model: the top of the second shell 201 is provided with a third fastening slot 203, the size of the third fastening slot 203 is the same as that of the first fastening slot 103, the top of the second shell 201 is provided with a third coil protection slot 204, and the size of the third coil protection slot 204 is the same as that of the first coil protection slot 104.
As a preferred technical scheme of the utility model: the material of first retainer ring 3 is synthetic rubber, and the size of first retainer ring 3 is less than the size of first fastening slot 103, and the size of first retainer ring 3 is less than the size of third fastening slot 203, and first retainer ring 3 cup joints in the inside of first fastening slot 103 and third fastening slot 203.
As a preferred technical scheme of the utility model: the first protective coil 4 is made of synthetic rubber, the outer diameter of the first protective coil 4 is larger than the size of the first protective coil slot 104, the outer diameter of the first protective coil 4 is larger than the size of the third protective coil slot 204, the first protective coil 4 is sleeved inside the first protective coil slot 104 and the third protective coil slot 204, after the terminal is installed, the first protective coil 4 and the second protective coil 6 are respectively sleeved inside the first protective coil slot 104 and the second protective coil slot 106, at the moment, the second shell 201 is buckled, the sealing wedge block 102 is clamped with the sealing clamping slot 202, the first shell 101 and the second shell 201 are closed, at the moment, the other side of the first protective coil 4 and the second protective coil 6 is sleeved inside the third protective coil slot 204 and the fourth protective coil slot 206 on the second shell 201, because the outer diameter of the first protective coil 4 is larger than the inner diameters of the first protective coil slot 104 and the third protective coil slot 204, the outer diameter of the second protective coil 6 is larger than the inner diameters of the second protective coil groove 106 and the fourth protective coil groove 206, and the first protective coil 4 and the second protective coil 6 are made of synthetic rubber and have certain elasticity, so that the equipment is further sealed, and the use safety is improved.
As a preferred technical scheme of the utility model: a fourth fastening slot 205 is arranged at the bottom of the second shell 201, the size of the fourth fastening slot 205 is the same as that of the second fastening slot 105, a fourth coil protection slot 206 is arranged at the bottom of the second shell 201, and the size of the fourth coil protection slot 206 is the same as that of the second coil protection slot 106.
As a preferred technical scheme of the utility model: the material of second clamping ring 5 is synthetic rubber, and the size of second clamping ring 5 is less than the size of second fastening slot 105, and the size of second clamping ring 5 is less than the size of fourth fastening slot 205, and second clamping ring 5 cup joints in the inside of second fastening slot 105 and fourth fastening slot 205.
As a preferred technical scheme of the utility model: the second protective coil 6 is made of synthetic rubber, the outer diameter of the second protective coil 6 is larger than the second protective coil groove 106, the outer diameter of the second protective coil 6 is larger than the fourth protective coil groove 206, the second protective coil 6 is sleeved inside the second protective coil groove 106 and the fourth protective coil groove 206, after the first shell 101 and the second shell 201 are installed, the first fastening ring 3 is sleeved inside the first fastening clamping groove 103 and the third fastening clamping groove 203, the second fastening ring 5 is sleeved inside the second fastening clamping groove 105 and the fourth fastening clamping groove 205, because the first fastening ring 3 is smaller than the first fastening clamping groove 103 and the third fastening clamping groove 203, the second fastening ring 5 is smaller than the second fastening clamping groove 105 and the fourth fastening clamping groove 205, and the first fastening ring 3 and the second fastening ring 5 are made of synthetic rubber and have certain elasticity, thereby further sealing the device, is favorable for improving the use safety.
In summary, the following steps: when parts need to be replaced and maintained, the outer first fastening ring 3 and the outer second fastening ring 6 can be detached, and then the sealing wedge block 102 is separated from the sealing clamping groove 202, so that the first shell 101 is separated from the second shell 201, the power transformer sheath is convenient to detach and replace, and the use efficiency is improved; when the power transformer sheath is installed, two ends of a transformer wiring end respectively penetrate through the first protective coil 4 and the second protective coil 6, the outer diameter of the wiring end is larger than the inner diameters of the first protective coil 4 and the second protective coil 6, and the first protective coil 4 and the second protective coil 6 are made of synthetic rubber, so that certain elasticity is achieved, the wiring port can be sealed, and the use safety is improved; after the wiring terminal of the power transformer sheath is installed, the first protective coil 4 and the second protective coil 6 are respectively sleeved inside the first protective coil groove 104 and the second protective coil groove 106, at the moment, the second shell 201 is buckled, so that the sealing wedge block 102 is clamped with the sealing clamping groove 202, and then the first shell 101 and the second shell 201 are closed, at this time, the other sides of the first protective coil 4 and the second protective coil 6 are sleeved in the third protective coil groove 204 and the fourth protective coil groove 206 on the second shell 201, since the outer diameter of the first shield coil 4 is larger than the inner diameters of the first shield coil slot 104 and the third shield coil slot 204, the outer diameter of the second shield coil 6 is larger than the inner diameters of the second shield coil slot 106 and the fourth shield coil slot 206, the first protective coil 4 and the second protective coil 6 are made of synthetic rubber and have certain elasticity, so that the equipment is further sealed, and the use safety is improved; this power transformer sheath, after first casing 101 and second casing 201 are installed, cup joint first retainer ring 3 in the inside of first fastening draw-in groove 103 and third fastening draw-in groove 203, cup joint second retainer ring 5 in the inside of second fastening draw-in groove 105 and fourth fastening draw-in groove 205, because first fastening draw-in groove 103 and third fastening draw-in groove 203 are all little to the size of first retainer ring 3, the size of second retainer ring 5 all is less than second fastening draw-in groove 105 and fourth fastening draw-in groove 205, and the material of first retainer ring 3 and second retainer ring 5 is synthetic rubber, certain elasticity has, thereby further make equipment reach sealedly, be favorable to promoting the safety in utilization.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A power transformer sheath, its characterized in that: the novel shell structure is characterized by comprising a first shell mechanism (1), a second shell mechanism (2) is arranged on one side of the first shell mechanism (1), a first fastening ring (3) is arranged at the top of the first shell mechanism (1), a first protective coil (4) is arranged inside the first fastening ring (3), a second fastening ring (5) is arranged at the bottom of the first shell mechanism (1), and a second protective coil (6) is arranged inside the second fastening ring (5).
2. A power transformer sheath according to claim 1, characterized in that: the first shell mechanism (1) comprises a first shell (101), the first shell (101) is a semicircular truncated cone type hollow shell, a plurality of sealing wedge blocks (102) are arranged on two sides of the first shell (101), a first fastening clamping groove (103) is arranged at the top of the first shell (101), and a first coil protection groove (104) is formed in the top of the first shell (101).
3. A power transformer sheath according to claim 2, wherein: the bottom of the first shell (101) is provided with a second fastening clamping groove (105), and the bottom of the first shell (101) is provided with a second coil protecting groove (106).
4. A power transformer sheath according to claim 1, characterized in that: second casing mechanism (2) include second casing (201), second casing (201) are half round platform type cavity casing, the both sides of second casing (201) are provided with a plurality of sealed draw-in grooves (202), the size of sealed draw-in groove (202) and the big or small looks adaptation of sealed voussoir (102), a plurality of sealed voussoir (102) joint respectively in the inside of a plurality of sealed draw-in grooves (202), second casing (201) are through a plurality of sealed draw-in grooves (202) and a plurality of sealed voussoir (102) and first casing (101) joint.
5. A power transformer sheath according to claim 4, wherein: the top of the second shell (201) is provided with a third fastening clamping groove (203), the size of the third fastening clamping groove (203) is the same as that of the first fastening clamping groove (103), the top of the second shell (201) is provided with a third coil protection groove (204), and the size of the third coil protection groove (204) is the same as that of the first coil protection groove (104).
6. A power transformer sheath according to claim 1, characterized in that: the size of the first fastening ring (3) is smaller than that of the first fastening clamping groove (103), the size of the first fastening ring (3) is smaller than that of the third fastening clamping groove (203), and the first fastening ring (3) is sleeved inside the first fastening clamping groove (103) and the third fastening clamping groove (203).
7. A power transformer sheath according to claim 1, characterized in that: the size of the outer diameter of the first protective coil (4) is larger than that of the first protective coil groove (104), the size of the outer diameter of the first protective coil (4) is larger than that of the third protective coil groove (204), and the first protective coil (4) is sleeved inside the first protective coil groove (104) and the third protective coil groove (204).
8. A power transformer sheath according to claim 4, characterized in that: the bottom of the second shell (201) is provided with a fourth fastening clamping groove (205), the size of the fourth fastening clamping groove (205) is the same as that of the second fastening clamping groove (105), the bottom of the second shell (201) is provided with a fourth coil protection groove (206), and the size of the fourth coil protection groove (206) is the same as that of the second coil protection groove (106).
9. A power transformer sheath according to claim 1, characterized in that: the size of the second fastening ring (5) is smaller than that of the second fastening clamping groove (105), the size of the second fastening ring (5) is smaller than that of the fourth fastening clamping groove (205), and the second fastening ring (5) is sleeved inside the second fastening clamping groove (105) and the fourth fastening clamping groove (205).
10. A power transformer sheath according to claim 1, characterized in that: the size of the outer diameter of the second protective coil (6) is larger than that of the second protective coil groove (106), the size of the outer diameter of the second protective coil (6) is larger than that of the fourth protective coil groove (206), and the second protective coil (6) is sleeved inside the second protective coil groove (106) and the fourth protective coil groove (206).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122749425.0U CN216772970U (en) | 2021-11-11 | 2021-11-11 | Sheath of power transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122749425.0U CN216772970U (en) | 2021-11-11 | 2021-11-11 | Sheath of power transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216772970U true CN216772970U (en) | 2022-06-17 |
Family
ID=81963958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122749425.0U Active CN216772970U (en) | 2021-11-11 | 2021-11-11 | Sheath of power transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216772970U (en) |
-
2021
- 2021-11-11 CN CN202122749425.0U patent/CN216772970U/en active Active
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