CN109215957B - Quick replacement flange of transformer moisture absorber - Google Patents
Quick replacement flange of transformer moisture absorber Download PDFInfo
- Publication number
- CN109215957B CN109215957B CN201811221234.3A CN201811221234A CN109215957B CN 109215957 B CN109215957 B CN 109215957B CN 201811221234 A CN201811221234 A CN 201811221234A CN 109215957 B CN109215957 B CN 109215957B
- Authority
- CN
- China
- Prior art keywords
- flange
- transformer
- desiccator
- pull rod
- hook
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000006096 absorbing agent Substances 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 claims description 7
- 230000008859 change Effects 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 4
- 239000011521 glass Substances 0.000 abstract description 3
- 230000009466 transformation Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
- H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
Abstract
The invention relates to a quick replacement flange of a transformer moisture absorber, which comprises a connecting flange, pull rods and pull hooks, wherein a vent hole is formed in the center of the connecting flange, the vent hole is coaxial and equal in diameter with the vent hole of the moisture absorber flange, four pull rods are symmetrically hinged at four corners of the connecting flange, each pull rod is hinged with one pull hook, the connecting flange is connected with the moisture absorber flange through the pull hooks, and the hook ends of the pull hooks are hung in the flange holes of the moisture absorber flange. This transformer desiccator quick replacement flange has solved fortune maintenance maintainer and has changed complicated problem to the transformer desiccator, has improved transformer desiccator change efficiency effectively, avoids changing the transformer desiccator and break the desiccator glass cover, twist bad with desiccator flange or transformer that cause, the emergence of personnel's electric shock even.
Description
Technical Field
The invention belongs to the field of power transformation operation, relates to a transformer connecting flange, and particularly relates to a quick replacement flange of a transformer moisture absorber.
Background
The transformer moisture absorber is a device for removing and drying impurities and moisture in air entering a transformer (or a transformer) oil conservator due to the change of the temperature of transformer oil so as to ensure the insulating strength of the transformer oil. When the transformer is heated and expanded, the redundant air in the transformer is exhaled; when the transformer oil temperature is reduced and contracted, outside air is sucked. When external air is sucked, the transformer oil in the oil storage box filters the external air, and then the silica gel absorbs moisture which is not filtered out, so that the transformer oil in the transformer is not invaded by moisture in the external air, and the moisture content of the transformer oil is always within the standard.
In the national grid transformation operation regulation, the requirements for the replacement process of the moisture absorber include: closing the moisture absorber valve; removing the oil seal cover; dismantling the upper and lower flange seats; after the moisture absorber is removed from the transformer without the moisture absorber valve, the breathing port is sealed by a special sealing gasket or is sealed by plastic cloth and other measures, so that moisture is prevented from entering the transformer. The processes, together with the preliminary preparation work such as putting on and off the gas relay and protecting the transformer, take one to two hours, and the replacement efficiency is too low. Meanwhile, the transformer operation and maintenance maintainers can encounter the difficulty in screwing the bolts in the process of replacing the transformer moisture absorber, and the reasons include bolt corrosion, the fact that the bolts and the aluminum moisture absorber flange are bonded together for a long time, and the installation position of the transformer moisture absorber is remote. The difficulty in screwing the bolt causes the following problems: (1) breaking the glass cover of the moisture absorber; (2) breaking the flange of the moisture absorber; (3) workers operate around the electrified equipment to cause electric shock; (4) the complicated replacement of the moisture absorber can cause heavy gas malfunction.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides the quick-replacement flange which is convenient to install, can ensure the normal work of the moisture absorber, can facilitate the detachment of the moisture absorber, avoids the problem that the moisture absorber is inconvenient to detach due to the corrosion of screws, facilitates the replacement of the moisture absorber by operation and maintenance staff, ensures the safety of operating personnel, and prevents the accidents of damaging the moisture absorber and damaging the flange of the moisture absorber.
The technical scheme adopted by the invention for solving the technical problem is as follows:
the utility model provides a transformer desiccator quick replacement flange, includes flange, pull rod, drag hook, has a bleeder vent at flange's center system, and this bleeder vent is coaxial and the constant diameter with the bleeder vent of desiccator flange, at four corner symmetry hinge dress four pull rods of flange, all hinge dress a drag hook on each pull rod, and flange passes through the drag hook with the desiccator flange and is connected, and the hook end of drag hook hangs downtheholely at the bottom surface flange of desiccator flange.
And the hinging mode of the connecting flange and the pull rod is that four pairs of shaft supporting seats are symmetrically and integrally manufactured at two ends of two side surfaces of the connecting flange, a pull rod supporting shaft penetrates through the two pairs of shaft supporting seats at each side, and the bottom end of the pull rod is sleeved on the pull rod supporting shaft between the two pairs of shaft supporting seats.
The drag hook is hinged with the drag hook in a way that a shaft hole is formed in the middle of each drag rod, a drag hook supporting shaft penetrates through each shaft hole, a drag hook connecting shaft seat is integrally formed at one end of the drag hook, and the drag hook connecting shaft seat is connected with the drag hook supporting shaft.
Moreover, the draw hook is U-shaped.
The invention has the advantages and positive effects that:
1. this transformer desiccator quick replacement flange has solved fortune maintenance maintainer and has changed complicated problem to the transformer desiccator, has improved transformer desiccator change efficiency effectively, avoids changing the transformer desiccator and break the desiccator glass cover, twist bad with desiccator flange or transformer that cause, the emergence of personnel's electric shock even.
2. This transformer desiccator quick replacement flange principle is simple, and simple to operate does not influence the normal work of former transformer desiccator, can not cause the damage to transformer flange and desiccator flange. Can quick replacement transformer desiccator, made things convenient for fortune dimension maintainer to change the desiccator, ensured not destroying equipment and ensured the personal safety of change desiccator process.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a top view of FIG. 1 (with the pull rod and hook removed);
FIG. 3 is a state diagram of the present invention in use;
fig. 4 is a top view of fig. 3.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments, which are illustrative only and not limiting, and the scope of the present invention is not limited thereby.
A flange for quickly replacing a moisture absorber of a transformer comprises a connecting flange 1, pull rods 2 and drag hooks 5, wherein a vent hole is formed in the center of the connecting flange, the vent hole and the vent hole of the flange of the moisture absorber are coaxial and have the same diameter, four pull rods are symmetrically hinged at four corners of the connecting flange, and each pull rod is hinged with one drag hook. The connecting flange is connected with the flange of the moisture absorber through a draw hook, and the hook end of the draw hook is hung in the flange hole on the bottom surface of the flange 7 of the moisture absorber.
The hinging mode of the connecting flange and the pull rod is that four pairs of shaft supporting seats 6 are symmetrically and integrally manufactured at two ends of two side surfaces of the connecting flange, a pull rod supporting shaft is arranged on each pair of shaft supporting seats in a penetrating mode, a pull rod supporting shaft 4 is arranged on each two pairs of shaft supporting seats in a penetrating mode, and the bottom end of a pull rod is sleeved on the pull rod supporting shaft between each pair of shaft supporting seats. Or the bottom end of a pull rod is sleeved on each pull rod supporting shaft, and the pull rod rotates around the pull rod supporting shaft.
The hinging mode of the pull rod and the drag hook is that a shaft hole is formed in the middle of each pull rod, a drag hook supporting shaft 3 is arranged on each shaft hole in a penetrating mode, the drag hook is U-shaped, a drag hook connecting shaft seat 9 is integrally formed at one end of the drag hook, and the drag hook connecting shaft seat is connected with the drag hook supporting shaft.
The pull rod is pulled upwards, the moisture absorber flange can be hooked through the lever acting force, the elastic pad between the moisture absorber flange and the connecting flange can be pressed to 1/3 thickness through the pulling force of the pull hook, and the requirements of national grid power transformation operation management regulations are met. With flange joint and transformer flange joint, change transformer desiccator 8 afterwards or dismantle transformer desiccator and only need through stirring down four pull rods, can pull open drawing of pull rod and drag hook constitution and detain, lift off transformer desiccator in the twinkling of an eye to the efficiency of transformer desiccator is changed in effectual improvement has reduced the time that the wrong bolt in-process consumes, has reduced the time that the staff lingered in the electrified equipment.
The using method of the invention comprises the following steps:
rotate the pull rod downwards for the drag hook can hook transformer desiccator flange, hook four drag hooks and transformer desiccator flanges after, with the pull rod upwards flare-up to pull rod and connection flange are perpendicular and continue to inwards detain the pull rod, pull rod and drag hook can reach self-locking state (fig. 3) this moment, can keep the drag hook to detain the desiccator flange. When the transformer moisture absorber flange is replaced, only four pull rods need to be pulled out outwards, the pull hooks can loosen the transformer moisture absorber flange, and the transformer moisture absorber can be taken down at the moment.
The invention completely meets the requirements in national grid transformation operation management regulations and national grid company electric power safety work regulations (transformation part) through laboratory tests, and can be applied on site.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept, and these changes and modifications are all within the scope of the present invention.
Claims (1)
1. The utility model provides a transformer desiccator quick replacement flange which characterized in that: comprises a connecting flange, pull rods and drag hooks, wherein the center of the connecting flange is provided with an air hole which is coaxial and has the same diameter with the air hole of a moisture absorber flange, four pull rods are symmetrically hinged at four corners of the connecting flange, each pull rod is hinged with a drag hook, the connecting flange is connected with the moisture absorber flange through the drag hook, the hook end of the drag hook is hung in a flange hole at the bottom surface of the moisture absorber flange, the connecting flange and the pull rods are hinged in a way that four pairs of shaft supporting seats are symmetrically and integrally manufactured at two ends of two side surfaces of the connecting flange, a pull rod supporting shaft is penetrated and installed on two pairs of shaft supporting seats at each side, the bottom end of one pull rod is sleeved on the pull rod supporting shaft between each pair of shaft supporting seats, the middle parts of each pull rod are provided with a shaft hole, a supporting shaft is penetrated and installed on each shaft hole, and one end of the drag hook is integrally manufactured and connected with the drag hook shaft seat, the draw hook connecting shaft seat is connected with the draw hook supporting shaft, the draw hook is U-shaped, and the using method comprises the following steps: rotate the pull rod downwards for the drag hook can hook the transformer desiccator flange, hook four drag hooks and transformer desiccator flange after, with the pull rod upwards flare-up to the pull rod with be connected the flange vertical and continue to buckle the pull rod inwards, pull rod and drag hook can reach the auto-lock state this moment, can keep the drag hook to detain the desiccator flange, only need outwards dial four pull rods when changing the transformer desiccator flange, the drag hook just can loosen the transformer desiccator flange, can take off the transformer desiccator this moment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811221234.3A CN109215957B (en) | 2018-10-19 | 2018-10-19 | Quick replacement flange of transformer moisture absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811221234.3A CN109215957B (en) | 2018-10-19 | 2018-10-19 | Quick replacement flange of transformer moisture absorber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109215957A CN109215957A (en) | 2019-01-15 |
| CN109215957B true CN109215957B (en) | 2022-04-19 |
Family
ID=64981360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811221234.3A Active CN109215957B (en) | 2018-10-19 | 2018-10-19 | Quick replacement flange of transformer moisture absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109215957B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102935594A (en) * | 2012-12-08 | 2013-02-20 | 重庆天之道科技发展有限公司 | Positioning clamping device for flange plate |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209071098U (en) * | 2018-10-19 | 2019-07-05 | 国网天津市电力公司 | The novel flange of for transformer dehydrating breather |
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2018
- 2018-10-19 CN CN201811221234.3A patent/CN109215957B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102935594A (en) * | 2012-12-08 | 2013-02-20 | 重庆天之道科技发展有限公司 | Positioning clamping device for flange plate |
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| Publication number | Publication date |
|---|---|
| CN109215957A (en) | 2019-01-15 |
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