CN111863471B - Automatic gear shifting device for tap switch of distribution transformer - Google Patents
Automatic gear shifting device for tap switch of distribution transformer Download PDFInfo
- Publication number
- CN111863471B CN111863471B CN202010636220.9A CN202010636220A CN111863471B CN 111863471 B CN111863471 B CN 111863471B CN 202010636220 A CN202010636220 A CN 202010636220A CN 111863471 B CN111863471 B CN 111863471B
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- CN
- China
- Prior art keywords
- threaded rod
- insulating cylinder
- motor
- base
- tap changer
- 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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- 238000010079 rubber tapping Methods 0.000 claims abstract description 20
- 239000003292 glue Substances 0.000 claims abstract description 3
- 230000005484 gravity Effects 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 4
- 239000003973 paint Substances 0.000 claims description 2
- 239000012212 insulator Substances 0.000 description 6
- 230000001681 protective effect Effects 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
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- 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
- H01F27/40—Structural association with built-in electric component, e.g. fuse
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F29/00—Variable transformers or inductances not covered by group H01F21/00
- H01F29/02—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings
- H01F29/04—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings having provision for tap-changing without interrupting the load current
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/26—Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Housings And Mounting Of Transformers (AREA)
- Drilling And Boring (AREA)
Abstract
The invention relates to the technical field of distribution equipment, in particular to an automatic gear shifting device of a distribution transformer tapping switch, which comprises a base, wherein a fixed support is arranged above the base, a fixed hole is formed in the center position above the fixed support, a threaded rod is arranged in the middle position of the fixed support, the threaded rod is inserted in the fixed hole, a motor is arranged below the threaded rod, the motor is welded and fixed with the threaded rod, a rotating sleeve is arranged below the motor, the rotating sleeve is tightly welded with an output shaft below the motor, an insulating cylinder is arranged in the center position of the base, the insulating cylinder is bonded with the base through glue, a tapping switch head is arranged in the insulating cylinder, and the tapping switch head is positioned right below the rotating sleeve; the design changes the current situation that the traditional transformer tap changer needs manual gear adjustment, is convenient for labor saving, improves the working efficiency and ensures the life safety of constructors.
Description
Technical Field
The invention relates to the technical field of distribution equipment, in particular to an automatic gear shifting device of a tapping switch of a distribution transformer.
Background
The distribution transformer is a static electric appliance which transforms alternating current voltage and current according to the law of electromagnetic induction in an electric distribution system to transmit alternating current energy. The distribution transformer is a power transformer which is operated in a power distribution network, has the voltage grade of 10-35KV, the capacity of 6300KVA or below and directly supplies power to end users, and mainly has the function of voltage reduction, but a traditional distribution transformer tapping switch needs manual operation for gear shifting, and is labor-consuming and quite dangerous.
Disclosure of Invention
The present invention is directed to an automatic gear shifting device for a tapping switch of a distribution transformer, so as to solve the problems of the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an automatic gear shifting device of distribution transformer tapping switch, includes the base, the base top is equipped with the fixed bolster, fixed bolster top central point puts and is equipped with the fixed orifices, the fixed bolster intermediate position is equipped with the threaded rod, the threaded rod is pegged graft in the fixed orifices, the threaded rod below is equipped with the motor, motor and threaded rod welded fastening, the motor below is equipped with the swivel sleeve, the output shaft inseparable welding of swivel sleeve and motor below, base central point puts and is equipped with the insulator cylinder, the insulator cylinder passes through glue with the base and bonds, be equipped with the tapping switch head in the insulator cylinder, the tapping switch head is located the swivel sleeve under.
Preferably, two gravity hammers are symmetrically arranged at the lower end of the fixed support and are welded and fixed with the fixed support.
Preferably, the two gravity hammers are fan-shaped, and the outer sides of the gravity hammers are attached to the inner wall of the base.
Preferably, the inner wall of the fixing hole is distributed with threads, and the caliber of the fixing hole is equal to the diameter of the cross section circle of the threaded rod.
Preferably, a circular groove with an upward opening is formed in the insulating cylinder, the tap changer head is rotatably inserted into the circular groove of the insulating cylinder, and the upper half part of the tap changer head is of a cubic structure.
Preferably, the outer portion of the rotating sleeve is of a cubic structure, a cavity with a downward opening is formed in the rotating sleeve, and the cavity is equal to the cubic portion of the tap changer head in size.
Preferably, a small circular hole groove is formed in the front of the insulating cylinder, a positioning pin is arranged on the insulating cylinder, and the positioning pin is inserted into the small circular hole groove of the insulating cylinder.
Preferably, the insulation cylinder is provided with a circular hole groove, the insulation cylinder is provided with a positioning pin, and the positioning pin is inserted into the circular hole groove of the insulation cylinder.
Preferably, a gear indication board is arranged behind the tap changer head, the lower end of the gear indication board is welded and fixed with the base, and the gear indication board displays three adjustable gears.
Preferably, the threaded rod, the motor, the rotary sleeve, the tap changer head and the center of the insulating cylinder are on the same axis.
Compared with the prior art, the invention has the beneficial effects that:
the invention can realize the purpose of automatic gear shifting of the tapping switch of the distribution transformer by matching the threaded rod, the motor and the rotating sleeve, can replace a worker to manually shift by using a wrench, saves manpower and simultaneously ensures the life safety of the constructor.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural diagram of the present invention.
In the figure: 1. a base; 2. fixing a bracket; 21. a fixing hole; 22. a gravity hammer; 3. a motor; 4. a threaded rod; 5. a rotating sleeve; 6. a tap changer head; 7. an insulating cylinder; 8. positioning pins; 9. gear indication board.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1-2, the present invention provides a technical solution:
the utility model provides an automatic device of transferring files of distribution transformer tapping switch, the on-line screen storage device comprises a base 1, 1 top of base is equipped with fixed bolster 2, 2 top central points of fixed bolster put and are equipped with fixed orifices 21, 2 intermediate positions of fixed bolster are equipped with threaded rod 4, threaded rod 4 is pegged graft in fixed orifices 21, 4 below of threaded rod are equipped with motor 3, motor 3 and 4 welded fastening of threaded rod, the below of motor 3 is equipped with swivel nut 5, the output shaft of swivel nut 5 and motor 3 below closely welds, 1 central point of base puts and is equipped with insulator cylinder 7, insulator cylinder 7 passes through the glue bonding with base 1, be equipped with tapping switch head 6 in the insulator cylinder 7, tapping switch head 6 is located swivel nut 5 under.
In this embodiment, two gravity hammers 22 are symmetrically arranged at the lower end of the fixed support 2, and the gravity hammers 22 are welded and fixed with the fixed support 2, so that the device can be stably placed on the base 1 and cannot shake due to the operation of the motor 3.
In addition, two gravity hammers 22 are fan-shaped, and the outside of gravity hammer 22 is laminated with the inner wall of base 1, and it can make swivel housing 5 conveniently aim at tap changer head 6 fast.
In this embodiment, the inner wall of the fixing hole 21 is distributed with threads, and the diameter of the fixing hole 21 is equal to the diameter of the cross section circle of the threaded rod 4, which is convenient for fixing the motor 3 and enables the motor 3 to move up and down.
Further, the inside circular slot that is equipped with the opening up of insulating cylinder 7, tap changer head 6 rotationally pegs graft in the circular slot of insulating cylinder 7, and tap changer head 6 first half is the cube structure.
In this embodiment, the outside cube structure that is of swivel sleeve 5, the inside cavity of opening down of having seted up of swivel sleeve 5, and its cavity equals with the cube part size of tapping switch head 6, thereby it is convenient for entangle tapping switch head 6 and rotates tapping switch head 6.
Specifically, a small circular hole groove is formed in the front of the insulating cylinder 7, a positioning pin 8 is arranged on the insulating cylinder 7, and the positioning pin 8 is inserted into the small circular hole groove of the insulating cylinder 7.
In this embodiment, 6 backs of tap changer heads are equipped with gear sign 9, and gear sign 9 lower extreme and base 1 welded fastening, gear sign 9 show has three adjustable gear, and it is convenient for survey current gear, conveniently adjusts the gear.
It is worth noting that the threaded rod 4, the motor 3, the rotary sleeve 5, the tap switch head 6 and the insulating cylinder 7 are arranged on the same axis, and no part needs to be installed before the gear is adjusted, so that time is saved, and working efficiency is improved.
In the embodiment, the surfaces of the fixed support 2 and the threaded rod 4 are coated with a layer of insulating paint, so that electric shock of constructors can be prevented, and personal safety of the constructors can be protected.
When the automatic gear shifting device of the distribution transformer tap changer is used, a constructor unscrews a tap changer protective cover on a transformer after power failure, puts the automatic gear shifting device into a base 1, then rotates a threaded rod (4) to adjust the position of a rotary sleeve (5) up and down, pulls a positioning pin (8) to start a motor (3) until the rotary sleeve (5) is matched with a cubic part of a tap changer head (6), at the moment, the motor (3) rotates to drive the rotary sleeve (5) to rotate, so that the tap changer head (6) is driven to rotate to shift, and when a gear indicator (9) displays a required gear, the positioning pin (8) is loosened and the motor (3) is turned off; after the use is finished, a constructor directly takes up the automatic gear shifting device and screws on the protective cover of the tap changer.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only preferred examples of the present invention and are not intended to limit the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, which fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides an automatic device of shifting gears of distribution transformer tapping switch, includes base (1), base (1) top is equipped with fixed bolster (2), its characterized in that: a fixing hole (21) is formed in the center of the upper portion of the fixing support (2), a threaded rod (4) is arranged in the middle of the fixing support (2), the threaded rod (4) is inserted into the fixing hole (21), a motor (3) is arranged below the threaded rod (4), the motor (3) is welded and fixed with the threaded rod (4), a rotating sleeve (5) is arranged below the motor (3), the rotating sleeve (5) is tightly welded with an output shaft below the motor (3), an insulating cylinder (7) is arranged in the center of the base (1), the insulating cylinder (7) is bonded with the base (1) through glue, a tapping switch head (6) is arranged in the insulating cylinder (7), and the tapping switch head (6) is located right below the rotating sleeve (5); two gravity hammers (22) are symmetrically arranged at the lower end of the fixed support (2), and the gravity hammers (22) are welded and fixed with the fixed support (2); the two gravity hammers (22) are fan-shaped, and the outer sides of the gravity hammers (22) are attached to the inner wall of the base (1); threads are distributed on the inner wall of the fixing hole (21), and the caliber of the fixing hole (21) is equal to the diameter of the cross section circle of the threaded rod (4); a round groove with an upward opening is formed in the insulating cylinder (7), the tap changer head (6) is rotatably inserted into the round groove of the insulating cylinder (7), and the upper half part of the tap changer head (6) is of a cubic structure; the outer portion of the rotating sleeve (5) is of a cubic structure, a cavity with a downward opening is formed in the rotating sleeve (5), and the size of the cavity is equal to that of the cubic portion of the tapping switch head (6).
2. The automatic shifting apparatus of a distribution transformer tap changer of claim 1, wherein: a small circular hole groove is formed in the front of the insulating cylinder (7), a positioning pin (8) is arranged on the insulating cylinder (7), and the positioning pin (8) is inserted into the small circular hole groove of the insulating cylinder (7).
3. The automatic shifting apparatus of a distribution transformer tap changer of claim 1, wherein: tap changer head (6) rear is equipped with gear sign (9), gear sign (9) lower extreme and base (1) welded fastening, gear sign (9) show that there are three adjustable gears.
4. The automatic gear shifting device of a distribution transformer tap changer of claim 1, wherein: the threaded rod (4), the motor (3), the rotary sleeve (5), the tap switch head (6) and the insulation cylinder (7) are arranged on the same axis.
5. The automatic gear shifting device of a distribution transformer tap changer of claim 1, wherein: and a layer of insulating paint is coated on the surfaces of the fixed support (2) and the threaded rod (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010636220.9A CN111863471B (en) | 2020-07-04 | 2020-07-04 | Automatic gear shifting device for tap switch of distribution transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010636220.9A CN111863471B (en) | 2020-07-04 | 2020-07-04 | Automatic gear shifting device for tap switch of distribution transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111863471A CN111863471A (en) | 2020-10-30 |
| CN111863471B true CN111863471B (en) | 2022-12-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010636220.9A Active CN111863471B (en) | 2020-07-04 | 2020-07-04 | Automatic gear shifting device for tap switch of distribution transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111863471B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113744955B (en) * | 2021-09-08 | 2024-04-09 | 江苏容天机电科技有限公司 | Voltage-adjustable oil immersed transformer |
| CN113990679B (en) * | 2021-11-26 | 2024-04-26 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Automatic gear shifting device of transformer tapping switch |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1486114A (en) * | 1976-02-04 | 1977-09-21 | Chrysler Uk | Gear selector mechanism |
| CN205911169U (en) * | 2016-07-13 | 2017-01-25 | 武汉泰普变压器开关有限公司 | Voltage regulator of transformer's playback device of transferring files |
| CN206907676U (en) * | 2017-06-27 | 2018-01-19 | 山东峻齐电气有限公司 | A kind of sub-connecting switch of transformer adjusting means |
| CN208673924U (en) * | 2018-08-10 | 2019-03-29 | 国网江西省电力有限公司赣东北供电分公司 | A kind of pressure regulation gear real-time acquisition device of 10kV off circuit tap changer |
| CN110233073A (en) * | 2019-07-11 | 2019-09-13 | 山东双益电气有限责任公司 | Sub-connecting switch of transformer gear remote auto adjusts device |
| CN210223815U (en) * | 2019-09-10 | 2020-03-31 | 东营南科电气有限责任公司 | Automatic gear shifting device for tap switch of distribution transformer |
-
2020
- 2020-07-04 CN CN202010636220.9A patent/CN111863471B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1486114A (en) * | 1976-02-04 | 1977-09-21 | Chrysler Uk | Gear selector mechanism |
| CN205911169U (en) * | 2016-07-13 | 2017-01-25 | 武汉泰普变压器开关有限公司 | Voltage regulator of transformer's playback device of transferring files |
| CN206907676U (en) * | 2017-06-27 | 2018-01-19 | 山东峻齐电气有限公司 | A kind of sub-connecting switch of transformer adjusting means |
| CN208673924U (en) * | 2018-08-10 | 2019-03-29 | 国网江西省电力有限公司赣东北供电分公司 | A kind of pressure regulation gear real-time acquisition device of 10kV off circuit tap changer |
| CN110233073A (en) * | 2019-07-11 | 2019-09-13 | 山东双益电气有限责任公司 | Sub-connecting switch of transformer gear remote auto adjusts device |
| CN210223815U (en) * | 2019-09-10 | 2020-03-31 | 东营南科电气有限责任公司 | Automatic gear shifting device for tap switch of distribution transformer |
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| Publication number | Publication date |
|---|---|
| CN111863471A (en) | 2020-10-30 |
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Denomination of invention: An automatic gear shifting device for distribution transformer tap changer Effective date of registration: 20231106 Granted publication date: 20221209 Pledgee: China Co. truction Bank Corp Yiyang branch Pledgor: Huaxiang XiangNeng Technology Co.,Ltd. Registration number: Y2023980063452 |