CN218274183U - Diaphragm internal pressing C-shaped frame structure of transformer closed oil storage cabinet - Google Patents
Diaphragm internal pressing C-shaped frame structure of transformer closed oil storage cabinet Download PDFInfo
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- CN218274183U CN218274183U CN202221300549.9U CN202221300549U CN218274183U CN 218274183 U CN218274183 U CN 218274183U CN 202221300549 U CN202221300549 U CN 202221300549U CN 218274183 U CN218274183 U CN 218274183U
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Abstract
A C-shaped frame structure pressed tightly in a diaphragm of a transformer closed oil conservator belongs to the technical field of transformers, and comprises a C-shaped frame, a clamping strip and a plurality of bolts, wherein the C-shaped frame is a rectangular frame as a whole, and the side section of the rectangular frame is C-shaped; the C-shaped frame 1 comprises a lower side and an upper side; the card strip is provided with a plurality of screw hole with the higher authority looks lock joint adaptation, the higher authority of card strip for with bolt locking adaptation. The utility model discloses a C type frame structure need not cut apart the oil conservator barrel, welds the frame in the oil conservator inner wall, guarantees to store up seamless in the middle of the oil conservator barrel to prevent the corruption seepage, and with frame structural design into C type cross-section, can realize the sclausura press mold, does not destroy the diaphragm edge, and the seal is higher, has fine practicality.
Description
Technical Field
The utility model belongs to the technical field of the transformer, concretely relates to transformer compresses tightly frame structure with diaphragm that seals oil conservator.
Background
The transformer is used in various fields as common distribution equipment, and a matched oil storage cabinet is required in the use of the transformer and is connected with an oil tank of the transformer. The device is used for compensating volume change of transformer oil along with temperature, and ensures safe and stable operation of the transformer.
Oil conservators are classified into two types, namely open type and sealed type, wherein the oil is easily affected with moisture and oxidation when the open type oil conservators are operated, so that the sealed type oil conservators are used for high-grade transformers. The sealed oil storage cabinet adopts a diaphragm sealing layer to divide a tank body into an upper part and a lower part, so that sealed isolation is realized, the lower part of a diaphragm can be filled with transformer oil, and the upper part of the diaphragm is a breathing cavity communicated with air, so that volume compensation of the transformer oil along with temperature change is realized.
At present, the diaphragm of the diaphragm type oil conservator is pressed by an external frame, namely, the cylinder body is divided into an upper semicircle and a lower semicircle, and the upper frame and the lower frame are clamped between the upper semicircle and the lower semicircle, as shown in fig. 5-6. The frame has poor sealing performance and short service life, and parts are exposed outside the body and are easy to corrode and leak, for example, air leakage, oil leakage or rainwater enter the oil storage cabinet and mix with transformer oil, the normal operation of the transformer can be seriously influenced, and the service life of the transformer is shortened.
SUMMERY OF THE UTILITY MODEL
To among the prior art diaphragm type store up oil tank outlying pressure membrane frame leakproofness poor, corrode the seepage scheduling problem easily, the utility model provides a tight C type frame structure in transformer seals the diaphragm of storing up oil tank need not cut apart the storage oil tank barrel, welds the frame in the storage oil tank inner wall, guarantees to store up oil tank barrel middle seamless to prevent to corrode the seepage, and become C type cross-section with frame structural design, can realize the sclausura press film, do not destroy the diaphragm edge, the seal is higher. The specific technical scheme is as follows:
a diaphragm internal pressing C-shaped frame structure of a transformer closed oil conservator comprises a C-shaped frame 1, the C-shaped frame 1 is a rectangular frame as a whole, and the side section of the rectangular frame is C-shaped; the C-shaped frame 1 comprises a lower side face 1.1 and an upper side face 1.2;
in the technical scheme, the C-shaped frame structure further comprises a clamping strip 2 and a plurality of bolts 3; the clamping strip 2 is matched with the upper side surface 1.2 in a buckling mode, and a plurality of threaded holes are formed in the upper side surface of the clamping strip 2 and used for being matched with the bolts 3 in a locking mode;
in the technical scheme, the inner side surface of the clamping strip 2 is tightly attached to the outer side surface of the upper side surface 1.2;
in the technical scheme, the inner side of the bottom surface of the clamping strip 2 is tightly attached to the bottom surface of the upper edge surface 1.2;
in the technical scheme, the width of the upper side face 1.2 is 1/2-2/3 of the width of the lower side face 1.1;
in the technical scheme, the outer end face of the lower side face 1.1 is welded on the cylinder of the oil conservator;
in the technical scheme, the C-shaped frame structure is used for compressing the diaphragm 4, the edge of the diaphragm 4 is stacked on the upper edge surface 1.2, and the pressing plate 5 is stacked on the edge of the diaphragm 4; the upper edge surface 1.2 of the clamping strip 2 is buckled and surrounds the pressing plate 5; the bolts 3 lock the pressing plate 5 through the threaded holes of the clamping strips 2, so that the nonporous pressing state of the diaphragm 4 is realized;
in the above technical scheme, the upper and lower surface pads of the edge of the diaphragm 4 are provided with rubber pads 6.
The utility model discloses a tight C type frame structure in transformer seals diaphragm that stores up oil tank compares with prior art, and beneficial effect is:
1. the frame of the diaphragm oil conservator in the prior art is an external structure, as shown in fig. 5-6, the shell is separated from top to bottom, the sealing performance is poor, and the frame component is exposed outside and is easy to corrode, so that the problems of water inlet, air leakage, oil leakage and the like are caused. The utility model discloses a C type frame structure is built-in structure, does not destroy the casing, guarantees that the casing is totally closed, can not take place phenomenons such as intaking in the middle of the casing, gas leakage, oil leak, has effectively guaranteed transformer safe operation.
2. If the built-in frame is designed to be a plane, the screw is required to be punched and tightly connected, the edge of the diaphragm must be damaged, tearing and air leakage can occur after long-term use, and the service life of the diaphragm pulled by the edge is short. The utility model discloses built-in frame design is C type frame, and the lower terminal surface of C type frame welds in shells inner wall, goes up terminal surface and card strip lock joint, and realization diaphragm sclausura that can be fine compresses tightly.
3. Because the outer side of the built-in frame needs to be welded with the inner wall of the shell, welding seams tend to generate redundant welding fluxes, the welding fluxes of the welding seams are uneven, and if a planar frame is used, unevenness occurs when the rubber mat and the diaphragm are stacked, so that the air tightness is influenced. The utility model discloses a diaphragm is stacked in the face of the top of C type frame, does not have the influence of welding seam solder unevenness, and realization that can be fine compresses tightly levelly and smoothly, guarantees the gas tightness.
4. The utility model discloses the width of frame structural design top side is 1/2 ~ 2/3 of lower side width, and the lower side atress that can guarantee the frame is reasonable, is unlikely to the too big frame welding seam fracture that leads to of atress, or the frame has a down dip and drops. Welding operation is easily influenced by the upper side face being too wide, the upper side face being too narrow is easy to generate poor compression sealing performance, and the lower side face is easy to cause large stress due to too small ratio of the width of the upper side face to the width of the lower side face, so that welding seams are cracked. Consequently the utility model designs a reasonable size guarantees unfamiliar leakproofness and frame suitability.
5. The inner side surface of the clamping strip of the frame structure of the utility model is closely attached to the outer side surface of the upper side surface; the side that can wrap up the diaphragm completely reaches the sealed effect of full package, and the leakproofness is with better, can reach the standard of complete evacuation and carry out the positive pressure leak test standard.
6. The utility model discloses the upper and lower face pad is equipped with the cushion on the edge of diaphragm, and the leakproofness is better.
To sum up, the utility model discloses a press mold frame structure is to the built-in frame of casing and design, welds the frame in the storage oil tank inner wall, guarantees to store up seamless in the middle of the oil tank barrel to prevent to corrode the seepage, and design into C type cross-section with frame structure, can realize the sclausura press mold, do not destroy the diaphragm edge, and the seal is higher, has good suitability.
Drawings
Fig. 1 is a top view of a C-shaped frame of a diaphragm internal compression C-shaped frame structure of a transformer enclosed oil conservator of the present invention;
fig. 2 is a side cross-sectional view of a C-shaped frame of a diaphragm internal pressing C-shaped frame structure of the transformer enclosed oil conservator of the present invention;
fig. 3 is a state diagram of the diaphragm pressed by the pressing C-shaped frame structure in the diaphragm of the transformer enclosed oil conservator of the present invention;
fig. 4 is a top view of the pressing diaphragm of the pressing C-shaped frame structure in the diaphragm of the transformer enclosed oil conservator of the present invention;
in the figures 1-4, 1-C type frame, 1.1-lower side, 1.2-upper side, 2-clamping strip, 3-bolt, 4-diaphragm, 5-pressing plate and 6-rubber cushion.
FIG. 5 is a schematic view of a prior art diaphragm conservator;
FIG. 6 is a schematic diagram of the outer frame of a prior art diaphragm conservator;
in fig. 5-6, 1-the outer rim, 7-the shell.
Detailed Description
The present invention will be further described with reference to the following detailed description and accompanying fig. 1-4, but the present invention is not limited to these embodiments.
Example 1
A diaphragm internal pressing C-shaped frame structure of a transformer closed oil conservator is disclosed, as shown in figures 1-4, the C-shaped frame structure comprises a C-shaped frame 1, a clamping strip 2 and a plurality of bolts 3, the C-shaped frame 1 is a rectangular frame as a whole, and the side section of the rectangular frame is C-shaped; the C-shaped frame 1 comprises a lower side surface 1.1 and an upper side surface 1.2, the width of the upper side surface 1.2 is 1/2 of the width of the lower side surface 1.1, and the outer side end surface of the lower side surface 1.1 is welded on the cylinder body of the oil conservator; card strip 2 and higher authority 1.2 lock joint adaptation, the higher authority face of card strip 2 is provided with a plurality of screw hole for with 3 locking adaptations of bolt.
The C-shaped frame structure is used for compressing the diaphragm 4, the edge of the diaphragm 4 is stacked on the upper surface 1.2, the pressing plate 5 is stacked on the edge of the diaphragm 4, the upper surface and the lower surface of the edge of the diaphragm 4 are provided with the rubber mats 6, and the rubber mats 6, the diaphragm 4, the rubber mats 6 and the pressing plate 5 are sequentially arranged from bottom to top; the upper edge surface 1.2 of the clamping strip 2 is buckled and surrounds the pressing plate 5; the bolts 3 lock the pressing plate 5 through the threaded holes of the clamping strip 2, so that the nonporous pressing state of the diaphragm 4 is realized; when the diaphragm 4 is locked, the inner side surface of the clamping strip 2 is tightly attached to the outer side surface of the upper side surface 1.2; the inner side of the bottom surface of the clamping strip 2 is tightly attached to the bottom surface of the upper edge surface 1.2.
The width of the upper side of the C-shaped frame is 40mm, and the width of the lower side of the C-shaped frame is 80mm.
The C-shaped frame structure of the embodiment is good in installation and trial, free of leakage or corrosion, good in air tightness, and capable of realizing complete vacuumizing and air tightness leakage test; compared with the existing peripheral frame, the service life of each part is longer.
Example 2
A diaphragm internal compression C-shaped frame structure of a transformer closed oil conservator is shown in figures 1-4, and comprises a C-shaped frame 1, a clamping strip 2 and a plurality of bolts 3, wherein the C-shaped frame 1 is integrally a rectangular frame, and the side section of the rectangular frame is C-shaped; the C-shaped frame 1 comprises a lower edge surface 1.1 and an upper edge surface 1.2, the width of the upper edge surface 1.2 is 2/3 of the width of the lower edge surface 1.1, and the outer end surface of the lower edge surface 1.1 is welded on the cylinder body of the oil conservator; card strip 2 and higher authority 1.2 lock joint adaptation, the higher authority face of card strip 2 is provided with a plurality of screw hole for with 3 locking adaptations of bolt.
The C-shaped frame structure is used for compressing the diaphragm 4, the edge of the diaphragm 4 is stacked on the upper face 1.2, the pressing plate 5 is stacked on the edge of the diaphragm 4, the upper face and the lower face of the edge of the diaphragm 4 are padded with the rubber mats 6, and the rubber mats 6, the diaphragm 4, the rubber mats 6 and the pressing plate 5 are sequentially arranged from bottom to top; the upper edge surface 1.2 of the clamping strip 2 is buckled and surrounds the pressing plate 5; the bolts 3 lock the pressing plate 5 through the threaded holes of the clamping strip 2, so that the nonporous pressing state of the diaphragm 4 is realized; when the diaphragm 4 is locked, the inner side surface of the clamping strip 2 is tightly attached to the outer side surface of the upper side surface 1.2; the inner side of the bottom surface of the clamping strip 2 is tightly attached to the bottom surface of the upper edge surface 1.2.
The width of the upper side of the C-shaped frame is 40mm, and the width of the lower side of the C-shaped frame is 60mm.
The C-shaped frame structure of the embodiment is good in installation and trial, free of leakage or corrosion, good in air tightness, and capable of achieving complete vacuumizing and air tightness leakage testing; compared with the existing peripheral frame, the service life of each part is longer.
Example 3
A diaphragm internal compression C-shaped frame structure of a transformer closed oil conservator is shown in figures 1-4, and comprises a C-shaped frame 1, a clamping strip 2 and a plurality of bolts 3, wherein the C-shaped frame 1 is integrally a rectangular frame, and the side section of the rectangular frame is C-shaped; the C-shaped frame 1 comprises a lower side surface 1.1 and an upper side surface 1.2, the width of the upper side surface 1.2 is 3/5 of the width of the lower side surface 1.1, and the outer side end surface of the lower side surface 1.1 is welded on the cylinder body of the oil conservator; card strip 2 and higher authority 1.2 lock joint adaptation, the higher authority of card strip 2 is provided with a plurality of screw hole for with 3 locking adaptations of bolt.
The C-shaped frame structure is used for compressing the diaphragm 4, the edge of the diaphragm 4 is stacked on the upper surface 1.2, the pressing plate 5 is stacked on the edge of the diaphragm 4, the upper surface and the lower surface of the edge of the diaphragm 4 are provided with the rubber mats 6, and the rubber mats 6, the diaphragm 4, the rubber mats 6 and the pressing plate 5 are sequentially arranged from bottom to top; the upper edge surface 1.2 of the clamping strip 2 is buckled and surrounds the pressing plate 5; the bolts 3 lock the pressing plate 5 through the threaded holes of the clamping strip 2, so that the nonporous pressing state of the diaphragm 4 is realized; when the diaphragm 4 is locked, the inner side surface of the clamping strip 2 is tightly attached to the outer side surface of the upper side surface 1.2; the inner side of the bottom surface of the clamping strip 2 is tightly attached to the bottom surface of the upper edge surface 1.2.
The width of the upper side of the C-shaped frame is 60mm, and the width of the lower side of the C-shaped frame is 100mm.
The C-shaped frame structure of the embodiment is good in installation and trial, free of leakage or corrosion, good in air tightness, and capable of realizing complete vacuumizing and air tightness leakage test; compared with the existing peripheral frame, the service life of each part is longer.
Example 4
A diaphragm internal pressing C-shaped frame structure of a transformer closed oil conservator is disclosed, as shown in figures 1-4, the C-shaped frame structure comprises a C-shaped frame 1, a clamping strip 2 and a plurality of bolts 3, the C-shaped frame 1 is a rectangular frame as a whole, and the side section of the rectangular frame is C-shaped; the C-shaped frame 1 comprises a lower edge surface 1.1 and an upper edge surface 1.2, the width of the upper edge surface 1.2 is 4/7 of the width of the lower edge surface 1.1, and the outer end surface of the lower edge surface 1.1 is welded on the cylinder body of the oil conservator; card strip 2 and higher authority 1.2 lock joint adaptation, the higher authority face of card strip 2 is provided with a plurality of screw hole for with 3 locking adaptations of bolt.
The C-shaped frame structure is used for compressing the diaphragm 4, the edge of the diaphragm 4 is stacked on the upper surface 1.2, the pressing plate 5 is stacked on the edge of the diaphragm 4, the upper surface and the lower surface of the edge of the diaphragm 4 are provided with the rubber mats 6, and the rubber mats 6, the diaphragm 4, the rubber mats 6 and the pressing plate 5 are sequentially arranged from bottom to top; the upper edge surface 1.2 of the clamping strip 2 is buckled and surrounds the pressing plate 5; the plurality of bolts 3 lock the pressing plate 5 through the plurality of threaded holes of the clamping strip 2, so that the nonporous pressing state of the diaphragm 4 is realized; when the diaphragm 4 is locked, the inner side surface of the clamping strip 2 is tightly attached to the outer side surface of the upper side surface 1.2; the inner side of the bottom surface of the clamping strip 2 is tightly attached to the bottom surface of the upper side surface 1.2.
The width of the upper side of the C-shaped frame is 40mm, and the width of the lower side of the C-shaped frame is 70mm.
The C-shaped frame structure of the embodiment is good in installation and trial, free of leakage or corrosion, good in air tightness, and capable of realizing complete vacuumizing and air tightness leakage test; compared with the existing peripheral frame, the service life of each part is longer.
Claims (5)
1. The diaphragm internal compression C-shaped frame structure of the transformer closed oil conservator is characterized by comprising a C-shaped frame (1), wherein the C-shaped frame (1) is a rectangular frame as a whole, and the side section of the rectangular frame is C-shaped; the C-shaped frame (1) comprises a lower edge surface (1.1) and an upper edge surface (1.2); the outer end face of the lower side face (1.1) is welded on the barrel of the oil conservator;
the C-shaped frame structure further comprises a clamping strip (2) and a plurality of bolts (3); the clamping strip (2) is matched with the upper edge surface (1.2) in a buckling mode, and a plurality of threaded holes are formed in the upper edge surface of the clamping strip (2) and used for being matched with the bolts (3) in a locking mode;
the C-shaped frame structure is used for pressing the diaphragm (4), the edge of the diaphragm (4) is stacked on the upper side surface (1.2), and the pressing plate (5) is stacked on the edge of the diaphragm (4); the upper edge surface (1.2) of the clamping strip (2) is buckled and surrounds the pressing plate (5); the bolts (3) lock the pressing plate (5) through a plurality of threaded holes of the clamping strip (2), so that a pore-free pressing state of the diaphragm (4) is realized.
2. The diaphragm internal pressing C-shaped frame structure of the transformer closed oil conservator as claimed in claim 1, wherein the inner side of the clamping strip (2) is attached to the outer side of the upper side (1.2).
3. The diaphragm pressing C-shaped frame structure of the transformer closed oil conservator as claimed in claim 1, the inner side of the bottom surface of the clamping strip (2) is tightly attached to the bottom surface of the upper edge surface (1.2).
4. The diaphragm internal-compression C-shaped frame structure of the transformer closed conservator as claimed in claim 1, wherein the width of the upper face (1.2) is 1/2-2/3 of the width of the lower face (1.1).
5. The structure of the diaphragm internal pressing C-shaped frame of the transformer closed oil conservator as claimed in claim 1, the upper and lower surfaces of the edge of the diaphragm (4) are padded with rubber pads (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221300549.9U CN218274183U (en) | 2022-05-27 | 2022-05-27 | Diaphragm internal pressing C-shaped frame structure of transformer closed oil storage cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221300549.9U CN218274183U (en) | 2022-05-27 | 2022-05-27 | Diaphragm internal pressing C-shaped frame structure of transformer closed oil storage cabinet |
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| Publication Number | Publication Date |
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| CN218274183U true CN218274183U (en) | 2023-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221300549.9U Active CN218274183U (en) | 2022-05-27 | 2022-05-27 | Diaphragm internal pressing C-shaped frame structure of transformer closed oil storage cabinet |
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| CN (1) | CN218274183U (en) |
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- 2022-05-27 CN CN202221300549.9U patent/CN218274183U/en active Active
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