CN108933028A - A kind of power equipment dual openings magnetic circuit iron core body clamping device - Google Patents
A kind of power equipment dual openings magnetic circuit iron core body clamping device Download PDFInfo
- Publication number
- CN108933028A CN108933028A CN201811008859.1A CN201811008859A CN108933028A CN 108933028 A CN108933028 A CN 108933028A CN 201811008859 A CN201811008859 A CN 201811008859A CN 108933028 A CN108933028 A CN 108933028A
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- China
- Prior art keywords
- clamping piece
- low pressure
- high pressure
- upper clamping
- lower clamping
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Classifications
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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
- H01F27/24—Magnetic cores
- H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
- H01F27/263—Fastening parts of the core together
-
- 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
- H01F27/24—Magnetic cores
- H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
- H01F27/266—Fastening or mounting the core on casing or support
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention discloses a kind of power equipment dual openings magnetic circuit iron core body clamping devices, with the high pressure upper clamping piece made of high-strength non-metallic insulating materials, low pressure upper clamping piece, high pressure lower clamping piece and low pressure lower clamping piece, it is interconnected between the high pressure upper clamping piece, low pressure upper clamping piece, high pressure lower clamping piece and low pressure lower clamping piece by several horizontal drawing screw rods and several vertical drawing screw rods, forms rigid frame structure.This power equipment uses nonmetallic materials for clamping component with dual openings magnetic circuit iron core body clamping device, and constitute rigid frame structure in the horizontal and vertical directions with screw rod to clamp iron core and body, it is generated under body magnetic flux leakage environment without loss, there is enough mechanical strengths again simultaneously, the clamping requirement of dual openings combined type iron core body can be met；On the other hand, the clamping component of the structure can be adaptable according to the size variation adjusted design of dual openings combined type iron core.
Description
Technical field
The present invention relates to power equipment manufacturing fields more particularly to a kind of power equipment dual openings magnetic circuit iron core body to press from both sides
Tight device.
Background technique
Currently, on power equipment, such as transformer and reactor, the clamping component of the iron core device body used is steel material
Material, such as channel steel, for clamping iron core and compressing body coil；Such as in the prior art to three-phase laminated core structure clamping mode
It is that (being detailed in Figure of description 8) is clamped by channel steel metalloid folder.
Although the advantage that steel structure part has intensity good, disadvantage is also very prominent, such as in the leakage of iron core device body
Eddy-current loss can be induced in magnetic field on steel structure part, and local temperature is caused to increase, surrounding insulation material may be generated
Damage.Simultaneously because the conductive characteristic that steel structure part is intrinsic, so that the leading-in conductor on body must not be not added packet and insulate and use up
Insulation distance may be increased, the increase of material cost is caused；It simultaneously also needs that clamp insulation is installed between iron core and folder, keep away
Exempt from folder directly to contact with iron core, structure is complicated.
And for dual openings combined type iron core, since this is a kind of new construction iron core, still mature iron core is not pressed from both sides at present
Tight device is applied.
Summary of the invention
The technical problem to be solved by the invention is to provide a kind of structure is simple, manufacturing process is few, can be effectively reduced production
Product loss, and can effectively reduce cost, and be suitable for the power equipment that power equipment dual openings combined type iron core clamps and use
Dual openings magnetic circuit iron core body clamping device.
In order to solve the above-mentioned technical problem, the present invention is achieved by the following technical solutions: a kind of power equipment use is double
Open magnetic circuit iron core body clamping device has the high pressure upper clamping piece made of high-strength non-metallic insulating materials, presss from both sides in low pressure
Part, high pressure lower clamping piece and low pressure lower clamping piece, left and right is parallel between the high pressure upper clamping piece and low pressure upper clamping piece, with high pressure lower clamping piece
Between it is parallel up and down, the low pressure lower clamping piece and low pressure upper clamping piece are parallel up and down, control between high pressure lower clamping piece parallel；It is described
If being provided with dry drawing screw hole on high pressure upper clamping piece, low pressure upper clamping piece, high pressure lower clamping piece and low pressure lower clamping piece, the drawing screw rod
What hole was divided into that front and back penetrates through horizontal draws screw hole and vertical drawing screw hole up and down；It is pressed from both sides in the high pressure upper clamping piece and low pressure
It is horizontal drawing screw hole on corresponding surface on corresponding surface between part and between high pressure lower clamping piece and low pressure lower clamping piece, it is described
On corresponding surface on corresponding surface between high pressure upper clamping piece and high pressure lower clamping piece and between low pressure upper clamping piece and low pressure lower clamping piece
It is vertical drawing screw hole；The horizontal horizontal drawing screw rod hole count drawn on screw hole and low pressure upper clamping piece on the high pressure upper clamping piece
Measure identical and symmetrical, the horizontal drawing screw hole on high pressure lower clamping piece and the horizontal drawing screw rod hole number phase on low pressure lower clamping piece
It is same and symmetrical；Vertical drawing screw hole drawing screw rod hole number phase vertical on high pressure lower clamping piece on the high pressure upper clamping piece
It is same and symmetrical, the vertical drawing screw hole drawing screw rod hole number phase vertical on low pressure lower clamping piece on the low pressure upper clamping piece
It is same and symmetrical；Symmetrical horizontal draw is provided with horizontal drawing screw rod engaged therewith between screw hole, mutually right
Vertical drawing screw rod engaged therewith is provided between the vertical drawing screw hole claimed, the horizontal drawing screw rod draws screw rod will be high with vertical
Pressure upper clamping piece, low pressure upper clamping piece, high pressure lower clamping piece and low pressure lower clamping piece interconnect.
Preferably, on the corresponding surface of the high pressure upper clamping piece and high pressure lower clamping piece and low pressure upper clamping piece and low pressure lower clamping piece
Corresponding surface on be provided with several rectangular notches.
Preferably, it is provided with the high-voltage connection hole being connected to up and down on the high pressure upper clamping piece, is set on the low pressure upper clamping piece
It is equipped with the long through-hole being connected to up and down, the side that high pressure upper clamping piece is corresponded on low pressure upper clamping piece is provided with low-voltage lead notch；It is described
The position in high-voltage connection hole corresponds to the position of lifting one's head of high-voltage connection on power equipment dual openings magnetic circuit iron core body, and the length is logical
Hole and low-voltage lead notch correspond to the position of lifting one's head of low-voltage lead on power equipment dual openings magnetic circuit iron core body.
Preferably, the high pressure upper clamping piece, low pressure upper clamping piece, high pressure lower clamping piece and low pressure lower clamping piece by high insulation characterisitic and
The epoxy resin bonded fiber or high strength electrical laminated wood of high mechanical strength are made, and are in rectangular slat shape structure.
Preferably, the horizontal drawing screw rod and vertical drawing screw rod are T-type screw rod, and head is outer-hexagonal shape, and end is set
It is equipped with the nut being threadedly engaged with it, the screw head diameter and nut diameter are all larger than the diameter for drawing screw hole.
Compared with prior art, the invention has the beneficial effects that: this power equipment dual openings magnetic circuit iron core body
Clamping device uses nonmetallic materials for clamping component, and constituted in the horizontal and vertical directions with screw rod rigid frame structure come
Iron core and body are clamped, is generated under body magnetic flux leakage environment without loss, while there is enough mechanical strengths again, can be met
The clamping requirement of dual openings combined type iron core body；On the other hand, the clamping component of the structure can be according to dual openings combined type
The size variation adjusted design of iron core, it is adaptable.
Detailed description of the invention
The following further describes the present invention with reference to the drawings.
Fig. 1 is a kind of power equipment dual openings magnetic circuit iron core body clamping device structural schematic diagram of the present invention；
Fig. 2 is a kind of structural representation of power equipment dual openings magnetic circuit iron core body clamping device mesohigh upper clamping piece of the present invention
Figure；
Fig. 3 is a kind of structural representation of power equipment dual openings magnetic circuit iron core body clamping device mesolow upper clamping piece of the present invention
Figure；
Fig. 4 is 1 assembling structure schematic diagram of the embodiment of the present invention；
Fig. 5 is 1 fractionation structural representation of the embodiment of the present invention；
Fig. 6 is 2 assembling structure schematic diagram of the embodiment of the present invention；
Fig. 7 is 2 fractionation structural representation of the embodiment of the present invention；
Fig. 8 is prior art assembling structure schematic diagram.
In figure: 1, high pressure upper clamping piece；2, low pressure upper clamping piece；3, high pressure lower clamping piece；4, low pressure lower clamping piece；5, screw hole is drawn；
6, horizontal to draw screw rod；7, screw rod is vertically drawn；8, long through-hole；9, high-voltage connection hole；10, low-voltage lead notch；11, five column combination formula
Iron core；12, three column combination formula iron core；13, three-phase laminated core；14, rectangular notch；15, channel steel folder.
Specific embodiment
The present invention will be described in detail with reference to the accompanying drawings and detailed description.
A kind of power equipment dual openings magnetic circuit iron core body clamping device shown in Fig. 1 has exhausted by high-strength non-metallic
High pressure upper clamping piece 1, low pressure upper clamping piece 2 made of edge material, high pressure lower clamping piece 3 and low pressure lower clamping piece 4, the high pressure upper clamping piece 1
Left and right is parallel between low pressure upper clamping piece 2, parallel up and down between high pressure lower clamping piece 3, presss from both sides in the low pressure lower clamping piece 4 and low pressure
About 2 part is parallel, and left and right is parallel between high pressure lower clamping piece 3；The high pressure upper clamping piece 1, low pressure upper clamping piece 2, high pressure lower clamping piece 3
If the drawing screw hole 5, which divides, draws screw hole for the horizontal of front and back perforation with dry drawing screw hole 5 is provided on low pressure lower clamping piece 4
Vertical drawing screw hole up and down；On corresponding surface between the high pressure upper clamping piece 1 and low pressure upper clamping piece 2 and under high pressure
It is horizontal drawing screw hole, the high pressure upper clamping piece 1 and high pressure lower clamping piece 3 on corresponding surface between folder 3 and low pressure lower clamping piece 4
Between corresponding surface on and the corresponding surface between low pressure upper clamping piece 2 and low pressure lower clamping piece 4 on be vertical drawing screw hole；It is described
Horizontal drawing screw hole on high pressure upper clamping piece 1 and the horizontal drawing screw rod hole number on low pressure upper clamping piece 2 are identical and symmetrical, high
It depresses the horizontal drawing screw hole on folder 3 and the horizontal drawing screw rod hole number on low pressure lower clamping piece 4 is identical and symmetrical；It is described
Vertical drawing screw hole on high pressure upper clamping piece 1 and the vertical drawing screw rod hole number on high pressure lower clamping piece 3 are identical and symmetrical, institute
It states the vertical drawing screw hole on low pressure upper clamping piece 2 and the vertical drawing screw rod hole number on low pressure lower clamping piece 4 is identical and symmetrical；
Symmetrical horizontal draw is provided with horizontal drawing screw rod 6 engaged therewith, symmetrical vertical drawing spiral shell between screw hole
Vertical drawing screw rod 7 engaged therewith, the horizontal drawing screw rod 6 and vertical drawing screw rod 7 are provided between rod aperture by high pressure upper clamping piece
1, low pressure upper clamping piece 2, high pressure lower clamping piece 3 and low pressure lower clamping piece 4 interconnect.
In order to have enough spaces while coil pressing for the heat derives in body, the high pressure upper clamping piece 1 with
Several rectangular channels are provided on the corresponding surface of high pressure lower clamping piece 3 and on low pressure upper clamping piece 2 and the corresponding surface of low pressure lower clamping piece 4
Mouth 14.
Clamping device is drawn in order to facilitate high-voltage connection on body and low-voltage lead, as shown in Fig. 2, the high pressure upper clamping piece
The high-voltage connection hole 9 being connected to up and down is provided on 1；As shown in figure 3, being provided with the length being connected to up and down on the low pressure upper clamping piece 2
Through-hole 8, the side that high pressure upper clamping piece 1 is corresponded on low pressure upper clamping piece 2 are provided with low-voltage lead notch 10；The high-voltage connection hole 9
Position correspond to the position of lifting one's head of high-voltage connection on power equipment dual openings magnetic circuit iron core body, the long through-hole 8 and low pressure
The position of lifting one's head of low-voltage lead on the corresponding power equipment dual openings magnetic circuit iron core body of lead notch 10.
In order to generate under power station environment without loss, avoid damaging, the high pressure upper clamping piece 1, low pressure upper clamping piece 2, height
Folder 3 and low pressure lower clamping piece 4 are depressed by the epoxy resin bonded fiber of high insulation characterisitic and high mechanical strength or high strength electrical laminated
It is wooden at being in rectangular slat shape structure.
Draw screw rod 6 and vertical drawing screw rod 7 under connection high pressure upper clamping piece 1, low pressure upper clamping piece 2, high pressure in order to facilitate level
Slippage is loosened after folder 3 and low pressure lower clamping piece 4, the horizontal drawing screw rod 6 and vertical drawing screw rod 7 are T-type screw rod, and head is
Outer-hexagonal shape, end are provided with the nut being threadedly engaged with it, and the screw head diameter and nut diameter are all larger than drawing screw rod
The diameter in hole 5, by screwing the elasticity between screw rod and the adjustable each folder of nut.
Embodiment 1
Fig. 4 and Fig. 5 show the signal of the assembling structure between five column combination formula iron cores and clamping device, high pressure upper clamping piece 1, low pressure
Upper clamping piece 2, high pressure lower clamping piece 3 and low pressure lower clamping piece 4 are clamped on the coil of iron core device body, connect high pressure upper clamping piece 1 and high pressure
In the interval that vertical drawing screw rod 7 between lower clamping piece 3 and low pressure upper clamping piece 2 and low pressure lower clamping piece 4 is formed between coil,
Horizontal drawing screw rod 6 between connection high pressure upper clamping piece 1 and low pressure upper clamping piece 2 and high pressure lower clamping piece 3 and low pressure lower clamping piece 4 is located at
In the " V " shape mouth formed on five column combination formula iron cores 11, screw rod is drawn with vertical by adjusting horizontal drawing screw rod 6 with this mounting means
7 can tightly clamp high pressure upper clamping piece 1, low pressure upper clamping piece 2, high pressure lower clamping piece 3 and low pressure lower clamping piece 4 five column combination formula iron
Core.
Embodiment 2
Fig. 6 and Fig. 7 show the signal of the assembling structure between three column combination formula iron cores and clamping device, high pressure upper clamping piece 1, low pressure
Upper clamping piece 2, high pressure lower clamping piece 3 and low pressure lower clamping piece 4 are clamped on the coil of iron core device body, connect high pressure upper clamping piece 1 and high pressure
In the interval that vertical drawing screw rod 7 between lower clamping piece 3 and low pressure upper clamping piece 2 and low pressure lower clamping piece 4 is formed between coil,
Horizontal drawing screw rod 6 between connection high pressure upper clamping piece 1 and low pressure upper clamping piece 2 and high pressure lower clamping piece 3 and low pressure lower clamping piece 4 is worn
What is formed on three column combination formula iron cores 12 is tri-angle-holed interior, is drawn by adjusting horizontal drawing screw rod 6 with vertical with this mounting means
High pressure upper clamping piece 1, low pressure upper clamping piece 2, high pressure lower clamping piece 3 and low pressure lower clamping piece 4 can tightly be clamped five column combinations by screw rod 7
Formula iron core.
This power equipment uses nonmetallic materials for clamping component with dual openings magnetic circuit iron core body clamping device, is used in combination
Screw rod constitutes rigid frame structure in the horizontal and vertical directions to clamp iron core and body, does not have under body magnetic flux leakage environment
Loss generates, while having enough mechanical strengths again, can meet the clamping requirement of dual openings combined type iron core body；Another party
The clamping component in face, the structure can be adaptable according to the size variation adjusted design of dual openings combined type iron core.
It is emphasized that: the above is only presently preferred embodiments of the present invention, not make in any form to the present invention
Limitation, any simple modification, equivalent change and modification to the above embodiments according to the technical essence of the invention,
All of which are still within the scope of the technical scheme of the invention.
Claims (5)
1. a kind of power equipment dual openings magnetic circuit iron core body clamping device, it is characterised in that: have by high-strength non-metallic
High pressure upper clamping piece (1), low pressure upper clamping piece (2) made of insulating materials, high pressure lower clamping piece (3) and low pressure lower clamping piece (4), the height
Press left and right between upper clamping piece (1) and low pressure upper clamping piece (2) parallel, it is parallel up and down between high pressure lower clamping piece (3), under the low pressure
Folder (4) and low pressure upper clamping piece (2) are parallel up and down, and left and right is parallel between high pressure lower clamping piece (3)；The high pressure upper clamping piece (1),
Low pressure upper clamping piece (2), high pressure lower clamping piece (3) and low pressure lower clamping piece (4) if on be provided with dry drawing screw hole (5), the drawing spiral shell
What rod aperture (5) was divided into that front and back penetrates through horizontal draws screw hole and vertical drawing screw hole up and down；The high pressure upper clamping piece (1) with
It is on corresponding surface on corresponding surface between low pressure upper clamping piece (2) and between high pressure lower clamping piece (3) and low pressure lower clamping piece (4)
Level draws screw hole, on the corresponding surface between the high pressure upper clamping piece (1) and high pressure lower clamping piece (3) and low pressure upper clamping piece (2)
It is vertical drawing screw hole on corresponding surface between low pressure lower clamping piece (4)；Horizontal drawing screw rod on the high pressure upper clamping piece (1)
Hole and the level on low pressure upper clamping piece (2) draw screw rod hole number identical and symmetrical, the horizontal drawing spiral shell on high pressure lower clamping piece (3)
Rod aperture and the horizontal drawing screw rod hole number on low pressure lower clamping piece (4) are identical and symmetrical；Hanging down on the high pressure upper clamping piece (1)
Vertical pulling screw hole and the vertical drawing screw rod hole number on high pressure lower clamping piece (3) are identical and symmetrical, the low pressure upper clamping piece (2)
On vertical drawing screw hole and the vertical drawing screw rod hole number on low pressure lower clamping piece (4) it is identical and symmetrical；It is described mutually right
Horizontal draw of title is provided with horizontal drawing screw rod (6) engaged therewith between screw hole, between symmetrical vertical drawing screw hole
Vertical drawing screw rod (7) engaged therewith, horizontal drawing screw rod (6) and vertical drawing screw rod (7) are provided with by high pressure upper clamping piece
(1), low pressure upper clamping piece (2), high pressure lower clamping piece (3) and low pressure lower clamping piece (4) interconnect.
2. power equipment according to claim 1 dual openings magnetic circuit iron core body clamping device, it is characterised in that: described
High pressure upper clamping piece (1) on the corresponding surface of high pressure lower clamping piece (3) and low pressure upper clamping piece (2) is corresponding with low pressure lower clamping piece (4)
Several rectangular notches (14) are provided on face.
3. power equipment according to claim 1 dual openings magnetic circuit iron core body clamping device, it is characterised in that: described
It is provided with the high-voltage connection hole (9) being connected to up and down on high pressure upper clamping piece (1), is provided on the low pressure upper clamping piece (2) and connects up and down
Logical long through-hole (8), the side that high pressure upper clamping piece (1) is corresponded on low pressure upper clamping piece (2) are provided with low-voltage lead notch (10)；Institute
The position for stating high-voltage connection hole (9) corresponds to the position of lifting one's head of high-voltage connection on power equipment dual openings magnetic circuit iron core body, institute
State lifting one's head for low-voltage lead on the corresponding power equipment dual openings magnetic circuit iron core body of long through-hole (8) and low-voltage lead notch (10)
Position.
4. power equipment according to claim 1 dual openings magnetic circuit iron core body clamping device, it is characterised in that: described
High pressure upper clamping piece (1), low pressure upper clamping piece (2), high pressure lower clamping piece (3) and low pressure lower clamping piece (4) are mechanical by high insulation characterisitic and height
The epoxy resin bonded fiber or high strength electrical laminated wood of intensity are made, and are in rectangular slat shape structure.
5. power equipment according to claim 1 dual openings magnetic circuit iron core body clamping device, it is characterised in that: described
It is T-type screw rod that level, which draws screw rod (6) and vertical drawing screw rod (7), and head is outer-hexagonal shape, and end is provided with matches with its screw thread
The nut of conjunction, the screw head diameter and nut diameter are all larger than the diameter for drawing screw hole (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811008859.1A CN108933028B (en) | 2018-08-31 | 2018-08-31 | Double-opening magnetic circuit iron core body clamping device for power equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811008859.1A CN108933028B (en) | 2018-08-31 | 2018-08-31 | Double-opening magnetic circuit iron core body clamping device for power equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108933028A true CN108933028A (en) | 2018-12-04 |
| CN108933028B CN108933028B (en) | 2023-08-11 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811008859.1A Active CN108933028B (en) | 2018-08-31 | 2018-08-31 | Double-opening magnetic circuit iron core body clamping device for power equipment |
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| Country | Link |
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| CN (1) | CN108933028B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110085394A (en) * | 2019-05-08 | 2019-08-02 | 苏州翰为电气科技有限公司 | A kind of I-shaped core limb clamping and fixing device of dual openings magnetic circuit and its application method |
| CN110085395A (en) * | 2019-05-08 | 2019-08-02 | 苏州翰为电气科技有限公司 | A kind of power equipment magnetic circuit iron core body clamping device |
| CN110308410A (en) * | 2019-07-18 | 2019-10-08 | 河北工业大学 | Anode saturable reactor iron core magnetic characteristic measuring device and system under complex working condition |
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| CN110308410A (en) * | 2019-07-18 | 2019-10-08 | 河北工业大学 | Anode saturable reactor iron core magnetic characteristic measuring device and system under complex working condition |
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| Publication number | Publication date |
|---|---|
| CN108933028B (en) | 2023-08-11 |
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Effective date of registration: 20230714 Address after: 400060 Nancheng Avenue, Nan'an District, Chongqing 23 Applicant after: Shinan power supply branch of State Grid Chongqing Electric Power Co. Applicant after: STATE GRID CORPORATION OF CHINA Address before: No. 39 Tong'an East Road, Group 6, Anhu Village, Wanping, Wujiang District, Suzhou City, Jiangsu Province, 215200 Applicant before: SUZHOU HANWEI ELECTRICAL SCIENCE & TECHNOLOGY CO.,LTD. |
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