CN207409330U - A kind of gear indicating device of 10kV distribution transformers - Google Patents
A kind of gear indicating device of 10kV distribution transformers Download PDFInfo
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- CN207409330U CN207409330U CN201721416272.5U CN201721416272U CN207409330U CN 207409330 U CN207409330 U CN 207409330U CN 201721416272 U CN201721416272 U CN 201721416272U CN 207409330 U CN207409330 U CN 207409330U
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- gear
- tap switch
- indicating device
- protective cap
- shell
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Abstract
This application provides a kind of gear indicating device of 10kV distribution transformers, including：The tap switch protective cap being fixed on above transformer case and the indicator shell being fixed on above tap switch protective cap；The tap switch being arranged inside tap switch protective cap is further included, for connecting the shaft of tap switch and the indicator shell；It is fixed with gear pointer on indicator shell, gear marker is equipped with the corresponding position of each gear of tap switch on transformer case, gear pointer is corresponding with gear marker.The application connects tap switch and indicator shell by shaft jointly, when rotating tap switch with regulation stall, indicator shell and the gear pointer being fixed thereon can also rotate therewith, and rotational angle is consistent with tap switch, the variation of gear pointer travel can precisely embody the gear change of tap switch, by gear pointer and the correspondence of gear marker, the gear change of piezoelectric transformer can accurately, be intuitively shown.
Description
Technical field
This application involves field transformer more particularly to a kind of gear indicating devices of 10kV distribution transformers.
Background technology
In China's modern power systems, often away from load center, the electric energy in power plant will generally lead to for big power station
It crosses high pressure or EHV transmission network is sent to load center, then electric energy is distributed to not by grade low network in load center
With the user of voltage class, it is this on hold and connect power consumer under power transmission network and be known as power distribution network.To customer power supply, including to common
Industrial user, resident's illumination, the power supply of commercial office area, 10kV power distribution networks are very suitable voltage class.
10kV power distribution networks are exactly directly to be connected as power grid end with user in the characteristics of maximum in structure.In 10kV distribution
During network operation, low voltage when load is big, voltage is higher when load is small.And due to the supply line head having, circuit
On there are voltage drop, near-end voltage is higher, and distal end voltage is relatively low, and to ensure that line end voltage is met the requirements, this just needs to slap
The gear of 10kV distribution transformers is held, so as to select optimal low-voltage administering method, such as the gear to distribution transforming tap switch
It is adjusted, changes the no-load voltage ratio of transformer, reduce the deviation of user's terminal voltage and distribution low-voltage side voltage.
And the situation of reality is most 10kV distribution transformings because being indicated without gear, operation maintenance personnel can not judge from appearance
The current gear information of distribution transforming.And distribution transforming substantial amounts, while distribution O＆M input is limited, this results in power supply station's distribution basis
Machine account, operation account weak management, account is difficult to accurately reflect current distribution transforming gear.And for low-voltage improvement, match somebody with somebody
It is key message to become gear, and because the missing of operation data, it need to repeat to check distribution transforming gear, can so increase
The workload of power supply station of base and increase field work safe risk.In addition distribution transforming gear, which is checked, usually requires to have a power failure, serious shadow
Ring power supply reliability.
Utility model content
The utility model proposes a kind of gear indicating devices of 10kV distribution transformers, solve in distribution operational process
Distribution transforming gear need to repeat to have a power failure and check, influence the problem of power supply reliability, and operation maintenance personnel is helped intuitively to understand 10kV distribution transformers
The gear of device provides foundation for pressure regulation, for optimal low-voltage administering method is selected to provide facility.
This application provides a kind of gear indicating device of 10kV distribution transformers, including：It is fixed on transformer case
The tap switch protective cap of side and the indicator shell being fixed on above the tap switch protective cap；
Described device further includes the tap switch that is arranged inside the tap switch protective cap and described for connecting
The shaft of tap switch and the indicator shell；
Be fixed with gear pointer in the upper surface of the indicator shell, on the transformer case with the tap switch
Each corresponding position of gear is equipped with gear marker.
Preferably, the transformer case and the tap switch protective cap are equipped with the corresponding centre bore of central shaft, institute
Shaft is stated through the centre bore, extends to the indicator shell.
Preferably, a pillar, the shaft are additionally provided with the corresponding position of the centre bore in the indicator shell
Can connection be matched with the pillar by the groove that its one end is set.
Preferably, described device further includes ring flange and locking nut, and the ring flange may pass through the tap switch and protect
The centre bore of helmet, and be sheathed on the outer surface of the shaft, the locking nut for be fixedly connected the pillar, described turn
Axis and the ring flange.
Preferably, the outer surface of the part ring flange in the indicator shell is arranged with trim ring and sealing successively
Circle, the trim ring and the sealing ring are between the locking nut and the tap switch protective cap.
Preferably, the trim ring outer circumferential surface is equipped with axial ledge, and the inner peripheral surface correspondence of the indicator shell lower end is set
It puts axial notch, the indicator shell and the trim ring and passes through the axial notch corresponded and the axial ledge button
It connects.
Preferably, the trim ring bottom is provided with seal groove, and the sealing ring is arranged in the seal groove, and the sealing
It encloses and matches with the size of the seal groove.
Preferably, the sealing ring decrement is 10%~20%.
The application's has the beneficial effect that：
This application provides a kind of gear indicating device of 10kV distribution transformers, including：It is fixed on transformer case
The tap switch protective cap of side and the indicator shell being fixed on above the tap switch protective cap；Described device further includes
The tap switch that is arranged inside the tap switch protective cap and for connecting outside the tap switch and the indicator
The shaft of shell；Gear pointer is fixed in the upper surface of the indicator shell, is opened on the transformer case with the tap
The corresponding position of each gear is closed equipped with gear marker, the gear pointer is corresponding with the gear marker.The application
Connect tap switch and indicator shell jointly by shaft, when rotate tap switch with regulation stall when, indicator shell with
And the gear pointer being fixed thereon can also rotate therewith, and rotational angle is consistent with tap switch, therefore, gear pointer
The variation of corner can precisely embody the gear change of tap switch, by gear pointer and the correspondence of gear marker,
Can accurately, intuitively show the gear change of piezoelectric transformer, without repeat have a power failure check, influence power supply reliability, so as to for
Pressure regulation provides foundation, for optimal low-voltage administering method is selected to provide facility.
Description of the drawings
In order to illustrate more clearly of the technical solution of the application, letter will be made to attached drawing needed in the embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without having to pay creative labor,
It can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is a kind of overall structure diagram of the gear indicating device for 10kV distribution transformers that the application provides；
Fig. 2 is a kind of top view of the gear indicating device for 10kV distribution transformers that the application provides；
Fig. 3 is the broken away view of the trim ring that the application provides and indicator shell.
Specific embodiment
Referring to the whole knot of Fig. 1 and 2, the respectively a kind of gear indicating device for 10kV distribution transformers that the application provides
Structure schematic diagram and a kind of top view of the gear indicating device of 10kV distribution transformers.
By Fig. 1 and Fig. 2 as it can be seen that this application provides a kind of gear indicating device of 10kV distribution transformers, including：It is fixed
Tap switch protective cap 3 above transformer case 13 and the indicator being fixed on above the tap switch protective cap 3
Shell 8；Described device further includes the tap switch 16 that is arranged inside the tap switch protective cap 3 and for connecting
State the shaft 12 of tap switch 16 and the indicator shell 8；Gear pointer is fixed in the upper surface of the indicator shell 8
7, gear marker 14, the shelves are equipped with the 16 corresponding position of each gear of tap switch on the transformer case 13
Bit pointer 7 is corresponding with the gear marker 14.Gear pointer 7 is made of aluminum alloy materials, and pointer tip scribbles red
Paint, and pass through two M6 antirusts screws 6 and be fixed on 8 top of indicator shell.Gear marker 14 is processed by aluminum alloy materials
It forms, shape is rectangle, and size can be 89mm*54mm, and mark font is formed by laser engraving.Gear marker 14 is by special
Be fixed on waterproof heat-resisting flexible glue on transformer case 13, can for a long time, be firmly fixed on transformer case 13.
The application connects tap switch 16 and indicator shell 8 jointly by shaft 12, when rotation tap switch 16 is with tune
When saving gear, indicator shell 8 and the gear pointer 7 being fixed thereon can also rotate therewith, and rotational angle and tap
Switch 16 consistent, therefore, the variation of 7 corner of gear pointer can precisely embody the gear change of tap switch 16, pass through shelves
The correspondence of bit pointer 7 and gear marker 14, you can gear change that is accurate, intuitively showing piezoelectric transformer, without weight
Multiple have a power failure checks, influences power supply reliability, so as to provide foundation for pressure regulation, for optimal low-voltage administering method is selected to provide just
Profit.
Further, transformer case 13 and the tap switch protective cap 3 are equipped with the corresponding centre bore of central shaft, institute
Shaft 12 is stated through the centre bore, extends to the indicator shell 8.In the indicator shell 8 with the centre bore phase
Corresponding position is additionally provided with a pillar 15, the groove and 15 company of matching of pillar that the shaft 12 can be by its one end setting
It connects.The shape of 12 one end groove of pillar 15 and shaft matches, and in the present embodiment, pillar 15 can be D type pillars, and groove can be D
Type groove.The groove that 12 one end of shaft is set is connected with the matching of pillar 15, can make the tap switch being arranged in shaft 12 16
It is synchronous with the rotation holding of indicator shell 8, so that gear pointer 7 precisely, intuitively, reliably indicates the shelves of tap switch 16
Position.
Further, device further includes ring flange 5 and locking nut 4, and the ring flange 5 may pass through the tap switch and protect
The centre bore of helmet 3, and be sheathed on the outer surface of the shaft 12, the locking nut 4 for be fixedly connected the pillar 15,
The shaft 12 and the ring flange 5.Wherein, the diameter of shaft 12 is matched with 5 center bore of ring flange, outside ring flange 5
Footpath is matched with 3 center bore of tap switch protective cap, and the screw thread of locking nut 4 is matched with 5 screw thread of ring flange.
In addition, in the embodiment of the present application, the outer surface of the part ring flange 5 in the indicator shell 8 is also successively
Trim ring 9 and sealing ring 10 are arranged with, trim ring 9 and sealing ring 10 are between locking nut 4 and tap switch protective cap 3.Trim ring 9
Internal diameter matched with the outer diameter of ring flange 5.9 bottom of trim ring is provided with seal groove, and the sealing ring 10 is arranged at the sealing
In slot, and the sealing ring 10 and the size of the seal groove match.In the present embodiment, sealing ring 10 is " O " type sealing ring,
Decrement is 10%~20%, and sealing ring 10 is arranged in trim ring 9, affected by environment relatively small, non-aging, and can be provided
Preferable sealing effect.
It please refers to Fig.3, the trim ring and the broken away view of indicator shell provided for the application.As seen from Figure 3,9 periphery of trim ring
Face is equipped with axial ledge 91, and the inner peripheral surface of 8 lower end of indicator shell is correspondingly arranged axial notch 81, outside the indicator
Shell 8 and the trim ring 9 are by 91 snapping of the axial notch 81 and the axial ledge that corresponds, so as to enhance trim ring 9
With the sealing effect of indicator shell 8.In addition, scribbling special grease in groove 81, gone back while there is good leakproofness
It can effectively prevent from loosening phenomenon.
Just to refer each other for identical similar part between each embodiment in this specification.Above-described practicality is new
Type embodiment does not form the restriction to scope of protection of the utility model.
Claims (8)
1. a kind of gear indicating device of 10kV distribution transformers, which is characterized in that including：
The tap switch protective cap (3) that is fixed on above transformer case (13) and it is fixed on the tap switch protective cap
(3) the indicator shell (8) above；
Described device, which further includes, is arranged at the internal tap switch (16) of the tap switch protective cap (3) and for connecting
The tap switch (16) and the shaft (12) of the indicator shell (8)；
Be fixed with gear pointer (7) in the upper surface of the indicator shell (8), on the transformer case (13) with described point
Switch (16) corresponding position of each gear is connect equipped with gear marker (14).
2. the gear indicating device of 10kV distribution transformers according to claim 1, which is characterized in that outside the transformer
Shell (13) and the tap switch protective cap (3) are equipped with the corresponding centre bore of central shaft, and the shaft (12) is through in described
Heart hole extends to the indicator shell (8).
3. the gear indicating device of 10kV distribution transformers according to claim 2, which is characterized in that outside the indicator
A pillar (15) is additionally provided with the corresponding position of the centre bore in shell (8), the shaft (12) can be set by its one end
Groove match connection with the pillar (15).
4. the gear indicating device of 10kV distribution transformers according to claim 3, which is characterized in that described device is also wrapped
Ring flange (5) and locking nut (4) are included, the ring flange (5) may pass through the centre bore of the tap switch protective cap (3), and
The outer surface of the shaft (12) is sheathed on, the locking nut (4) is used to be fixedly connected with the pillar (15), the shaft
(12) and the ring flange (5).
5. the gear indicating device of 10kV distribution transformers according to claim 4, which is characterized in that positioned at the instruction
The outer surface of part ring flange (5) in device shell (8) is arranged with trim ring (9) and sealing ring (10) successively, the trim ring (9) and
The sealing ring (10) is between the locking nut (4) and the tap switch protective cap (3).
6. the gear indicating device of 10kV distribution transformers according to claim 5, which is characterized in that the trim ring (9)
Outer circumferential surface is equipped with axial ledge (91), and the inner peripheral surface of indicator shell (8) lower end is correspondingly arranged axial notch (81), institute
It states indicator shell (8) and the trim ring (9) and passes through the axial notch (81) and the axial ledge (91) that correspond
Snapping.
7. the gear indicating device of 10kV distribution transformers according to claim 5, which is characterized in that the trim ring (9)
Bottom is provided with seal groove, and the sealing ring (10) is arranged in the seal groove, and the sealing ring (10) and the seal groove
Size match.
8. the gear indicating device of 10kV distribution transformers according to claim 5, which is characterized in that the sealing ring
(10) decrement is 10%~20%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721416272.5U CN207409330U (en) | 2017-10-30 | 2017-10-30 | A kind of gear indicating device of 10kV distribution transformers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721416272.5U CN207409330U (en) | 2017-10-30 | 2017-10-30 | A kind of gear indicating device of 10kV distribution transformers |
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| Publication Number | Publication Date |
|---|---|
| CN207409330U true CN207409330U (en) | 2018-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721416272.5U Active CN207409330U (en) | 2017-10-30 | 2017-10-30 | A kind of gear indicating device of 10kV distribution transformers |
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| CN (1) | CN207409330U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109616343A (en) * | 2018-12-21 | 2019-04-12 | 云南电网有限责任公司电力科学研究院 | A kind of the tap changer gear display device and method of distribution transformer |
-
2017
- 2017-10-30 CN CN201721416272.5U patent/CN207409330U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109616343A (en) * | 2018-12-21 | 2019-04-12 | 云南电网有限责任公司电力科学研究院 | A kind of the tap changer gear display device and method of distribution transformer |
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