CN207705000U - Board-like folder for dry-type transformer - Google Patents
Board-like folder for dry-type transformer Download PDFInfo
- Publication number
- CN207705000U CN207705000U CN201721607562.8U CN201721607562U CN207705000U CN 207705000 U CN207705000 U CN 207705000U CN 201721607562 U CN201721607562 U CN 201721607562U CN 207705000 U CN207705000 U CN 207705000U
- Authority
- CN
- China
- Prior art keywords
- dry
- type transformer
- folder
- clamping plate
- board
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of board-like folder for dry-type transformer, including two clamping plates, screw rod, several mounting holes, several holes for hoist, several mounting holes are provided on clamping plate；Screw rod runs through mounting hole；Screw rod is enclosed with the clamping plate to be set to form located space.This clamping plate for dry-type transformer, can push against iron core, and noise is small, structure setting is reasonable, and the reasonable layout of insulating space through hole position does not misplace with breakdown conductor space is possible to, and avoids security risk well, facilitate processing, does not protrude endpoint, beautiful safety.
Description
Technical field
The utility model is related to dry-type transformer fields, more particularly to a kind of board-like folder for dry-type transformer.
Background technology
Dry-type transformer be widely used in the fire protection requirements such as local lighting, skyscraper, airport, harbour, CNC mechanical equipments compared with
High place, briefly dry-type transformer refers to just the transformer that iron core and winding are not immersed in insulating oil.The type of cooling
It is divided into natural air cooling (AN) and forced air cooling (AF).When natural air cooling, transformer can for a long time connect under rated capacity
Reforwarding row.When forced air cooling, transformer output capacity can be improved 50%.Suitable for interrupted running overload or emergent accident mistake
Load operation.Dry-type transformer includes：Iron core column, winding and matched wiring construction and fixed structure.Iron core column is to become
The magnetic structure of depressor, usually silicon steel sheet is formed by stacking, so the cross section of the upper bottom surface of iron core column is rectangular.Iron core column
Shaft be wound with winding, fixation is clamped in the two poles of the earth that shaft both sides leak out with folder, and is connect and consolidated with mounting object by folder
It is fixed.Traditional panel with connecting elements is fixed by four blocks of plates：Two pieces of square plates, the pre-designed ruler of square plate are pressed from both sides among two block length plates
It is very little, edge is bent to form interconnecting piece, the size after square plate bending is identical as the outer diameter of iron core, and interconnecting piece passes through with two block length plates
Screw lock passes through plane-plane contact between long slab and square plate.Long slab is equipped with a pair of of ear, perforates among ear, for lifting.
Three insulators of installation are also needed on long slab.
However the structure spare and accessory parts of traditional long slab folder square plate are too many and miscellaneous.Spare and accessory parts are too many, and miscellaneous will appear several ask
Topic：First, spare and accessory parts resonate with iron core column, and noise is non-caused by the gap between connector and connecting object collides with each other
Chang great；Secondly, in the case of high voltage load, it can form electric field between too many spare and accessory parts and cause to leak electricity；Finally, Gong Renan
Dress is inconvenient slightly higher so as to cause installation cost.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of board-like folder for dry-type transformer, generation is made an uproar
Sound is small, safe, and cost is relatively low.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is：
A kind of board-like folder for dry-type transformer, including two clamping plates, screw rod are provided with several fixations on clamping plate
Hole, several holes for hoist, several mounting holes；The screw rod runs through mounting hole；The screw rod is enclosed with the clamping plate to be set to form positioning sky
Between；The clamping plate includes two cell walls and troughstand, and the height of described two cell walls is identical, from the lower edges of the clamping plate to same
One direction is bent to form, and the troughstand is between described two cell walls.
Further, the troughstand and the cell wall are rectangular.
Further, several mounting holes are provided on the cell wall.
Further, the identical mounting hole in 3 apertures is set on the cell wall, and 3 mounting hole unilines are uniformly distributed.
Further, the troughstand includes sticking part and two interconnecting pieces, and the interconnecting piece is arranged at left and right sides of sticking part,
And it is symmetrical arranged by symmetry axis of the vertical center line of the troughstand.
Further, there are two mounting hole and a holes for hoist for the interconnecting piece setting.
Compared with prior art, using a kind of board-like folder for dry-type transformer provided by the utility model, pass through
The further mode of two clamping plates of screw rod comes the two poles of the earth of secured core, and the body of rod of screw rod itself replaces traditional square plate to be formed with clamping plate
Located space, spare and accessory parts are less, and screw rod and nut are matched squeezes iron core by two clamping plates to centre so that iron core and clamping plate it
Between, between screw rod and clamping plate all closely, the noise of generation also smaller；There is no extra plate and protrusion, eliminates two pieces
The security risk of electric field is formed between square plate or two protrusions；And without the outer diameter size for measuring iron core, can directly it pacify
It loads onto and grips plate, it is simple and fast and reduce cost.
Description of the drawings
Fig. 1 is the stereogram of dry-type transformer；
Fig. 2 is the enlarged drawing in the portions A in Fig. 1；
Fig. 3 is the stereogram of clamping plate；
Fig. 4 is the front view of clamping plate；
Fig. 5 is the vertical view of clamping plate；
In figure：1- clamping plates, 2- screw rods, 3- iron cores, 11- mounting holes, 12- holes for hoist, 13- mounting holes, 14- cell walls, 15-
Troughstand, 151- sticking parts, 152- interconnecting pieces.
Specific implementation mode
Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings.It should be noted that
The explanation of these embodiments is used to help to understand the utility model, but does not constitute the restriction to the utility model.This
Outside, technical characteristic involved in the various embodiments of the present invention described below is as long as they do not conflict with each other
It can be combined with each other.
As shown in Fig. 1 to 5：A kind of board-like folder for dry-type transformer, including two clamping plates 1, screw rod 2, on clamping plate 1
It is provided with several mounting holes 11, several holes for hoist 12, several mounting holes 13；Screw rod 2 runs through mounting hole 11；Screw rod 2 is enclosed with clamping plate 1
If forming located space.Screw rod 2 passes through Boards wall hole 11, and with nut check, two clamping plates 1 move toward one another and squeeze iron core 3,
It between iron core 3 and clamping plate 1, is fully locked between screw rod 2 and clamping plate, reduces the possibility of the resonance together with transformer, make an uproar
It is many that sound compares the reduction of the case where practical square plate connecting cleat 1.2 or so settings two of screw rod carry out locking plate 1, more firm
And cost also reduces much relative to square plate.It is also leaking electricity or was loading without the possibility of generation electric field between screw rod
When high, accident will not be avoided there is a phenomenon where puncturing plate.
The lower edges of clamping plate 1 are bent to form contour symmetrical cell wall 14 to same direction, and remaining intermediate plate face is formed
Troughstand 15.It is oppositely arranged by two clamping plate, when screw rod 2 promotes troughstand to move toward one another, troughstand 15 withstands iron core 3, curved
Folded structure makes 1 plate body of clamping plate more bend resistance.When troughstand 15 and cell wall 14 are vertically arranged, clamping plate 1 is most to hold at this time
It is easily processed out, production cost is minimum, and bend resistance intensity highest.
Several mounting holes 13 are provided on cell wall 14, for installing insulator or insulating trip, insulator number and winding
It is corresponding.The identical mounting hole in 3 apertures is set on cell wall 14,3 mounting hole single-row layouts, between adjacent mounting hole away from
It from identical in dry-type three-phase transformer, is matched with three-phase windings, spacing of three-phase windings that 3 mounting holes are etc. is big, most
Rationally.
Troughstand 15 includes sticking part 151 and interconnecting piece 152, and interconnecting piece 152 is located at 151 periphery of sticking part, interconnecting piece 152
It is symmetrical arranged in 151 left and right sides of sticking part；Sticking part 151 is connected for being bonded iron core 3, interconnecting piece 152 for constructing.Connection
There are two mounting hole 11 and single holes for hoist 12 for the setting of portion 152；Hole for hoist is arranged on troughstand, more firm than the ear of protrusion
Gu and the region on clamping plate will not form the possibility for drawing electricity.The lateral length of sticking part 151 is equal to the outer of iron core
Diameter.At this point, screw rod 2 passes through mounting hole 11, iron core 3 is respectively with sticking part 151, and the ontology close contact of screw rod 2, iron core is from four
It is all pushed against on direction, no matter how iron core vibrates, and clamping plate 1 will not all generate collision because of resonance and iron core, therefore noise is also more
It is small.
This clamping plate for dry-type transformer can push against iron core, and noise is small, and structure setting is reasonable, and insulating space is logical
The reasonable layout of via position does not misplace with breakdown conductor space is possible to, and avoids security risk well, it is convenient plus
Work does not protrude endpoint, beautiful safety.
The embodiment of the utility model is explained in detail above in association with attached drawing, but the utility model is not limited to be retouched
The embodiment stated.For a person skilled in the art, right in the case where not departing from the utility model principle and spirit
These embodiments carry out a variety of change, modification, replacement and modification, still fall in the scope of protection of the utility model.
Claims (6)
1. a kind of board-like folder for dry-type transformer, including two clamping plates, screw rod, it is characterised in that：The clamping plate setting
There are several mounting holes, several holes for hoist, several mounting holes；The screw rod runs through mounting hole；The screw rod is enclosed with the clamping plate to be set
Form located space；The clamping plate includes two cell walls and troughstand, and the height of described two cell walls is identical, by the upper of the clamping plate
Lower edge is bent to form to same direction, and the troughstand is between described two cell walls.
2. a kind of board-like folder for dry-type transformer according to claim 1, it is characterised in that：The troughstand and institute
It is rectangular to state two cell walls.
3. a kind of board-like folder for dry-type transformer according to claim 2, it is characterised in that：It is set on the cell wall
It is equipped with several mounting holes.
4. a kind of board-like folder for dry-type transformer according to claim 3, it is characterised in that：It is set on the cell wall
The identical mounting hole in 3 apertures is set, 3 mounting hole unilines are uniformly distributed.
5. a kind of board-like folder for dry-type transformer according to claim 4, it is characterised in that：The troughstand includes
Sticking part and two interconnecting pieces, the interconnecting piece are arranged at left and right sides of sticking part, and are pair with the vertical center line of the troughstand
Claim axial symmetry setting.
6. a kind of board-like folder for dry-type transformer according to claim 5, it is characterised in that：The interconnecting piece is set
Mounting hole and a hole for hoist there are two setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721607562.8U CN207705000U (en) | 2017-11-27 | 2017-11-27 | Board-like folder for dry-type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721607562.8U CN207705000U (en) | 2017-11-27 | 2017-11-27 | Board-like folder for dry-type transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207705000U true CN207705000U (en) | 2018-08-07 |
Family
ID=63023913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721607562.8U Expired - Fee Related CN207705000U (en) | 2017-11-27 | 2017-11-27 | Board-like folder for dry-type transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207705000U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114388248A (en) * | 2022-01-26 | 2022-04-22 | 广州市一变电气设备有限公司 | Low-noise dry-type transformer |
-
2017
- 2017-11-27 CN CN201721607562.8U patent/CN207705000U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114388248A (en) * | 2022-01-26 | 2022-04-22 | 广州市一变电气设备有限公司 | Low-noise dry-type transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180807 Termination date: 20211127 |