CN102983525A - Indoor combination vehicle of voltage transformer and arrester - Google Patents
Indoor combination vehicle of voltage transformer and arrester Download PDFInfo
- Publication number
- CN102983525A CN102983525A CN2012105520573A CN201210552057A CN102983525A CN 102983525 A CN102983525 A CN 102983525A CN 2012105520573 A CN2012105520573 A CN 2012105520573A CN 201210552057 A CN201210552057 A CN 201210552057A CN 102983525 A CN102983525 A CN 102983525A
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- voltage transformer
- vehicle frame
- lightning arrester
- insulation board
- indoor
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Abstract
The invention relates to the technical field of high-voltage electrical equipment, and provides an indoor combination vehicle of a voltage transformer and an arrester. The indoor combination vehicle comprises a vehicle frame, an insulating pillar, contact arms, fuses, the voltage transformer and a wiring insulating plate, wherein the voltage transformer is mounted on the vehicle frame; the rear ends of the contact arms are mounted at the front end of the insulating pillar above the voltage transformer of the vehicle frame; moving contacts are mounted at the rear ends of the contact arms; the fuses are mounted in the contact arms; the front ends of the fuses are connected with the moving contacts; the rear ends of the fuses are electrically connected with the voltage transformer; the arrester is arranged on an inner bottom plate at the lower part of the vehicle frame; the wiring insulating plate is fixedly arranged at the front of the vehicle frame; a certain distance is formed between the wiring insulating plate and the voltage transformer on a vehicle frame table; a connecting wire of the arrester is separated from the vehicle frame by the wiring insulating plate; and the arrester is connected with the moving contacts by the connecting wire. Therefore, the distances from any parts of the connecting wire to a vehicle frame structure body and a voltage transformer bonding conductor meet safety requirements.
Description
Technical field
The present invention relates to the high-voltage electrical equipment technical field, particularly a kind of indoor voltage transformer lightning arrester combination vehicle.
Background technology
The space is very compact in the structure of domestic existing KYN61-40.5KV high-voltage complete-set switch cabinet, combination vehicle for voltage transformer and lightning arrester, existing electric combination method can only be installed voltage transformer and the forward and backward arrangement of lightning arrester, originally the voltage transformer front space is very narrow, refills into the lightning arrester of 40.5KV electric pressure just less.This narrow space length only is only permission in the condition of lightning conductor all insulation, in case ground connection or short circuit accident will occur for its ageing of insulation or injured breakage.Just in the condition that this dress method allows at present, whole car is top heavy, and is mobile unstable.This near two electrical equipment accidents the time the face that brings disaster to also can be very large.And too compact space makes the radiating condition of electrical equipment poorer.
Summary of the invention
To the objective of the invention is in order solving the problems of the technologies described above, a kind of indoor voltage transformer lightning arrester combination vehicle to be provided, in the hope of the setting by insulation board, lightning arrester is contained on the base plate of vehicle frame bottom, make the safety and reliability that is connected of lightning arrester and moving contact.The voltage transformer front space is strengthened, and weight is more well-balanced up and down for car body.
The technical scheme that the present invention takes is:
A kind of indoor voltage transformer lightning arrester combination vehicle, comprise vehicle frame, insulated column, contact arm, voltage transformer, described voltage transformer is installed on the described vehicle frame, the rear end of contact arm is installed in the insulated column front end of the voltage transformer top of vehicle frame, fuse is installed in the described contact arm, the front end of described fuse is connected with described moving contact, the rear end of described fuse is electrically connected with described voltage transformer, it is characterized in that, be provided with lightning arrester in described vehicle frame internal backplane, described vehicle frame the place ahead is fixedly installed insulation board, between described insulation board and the described voltage transformer certain distance is arranged, the connection wire of described lightning arrester separates by described insulation board and described voltage transformer, and described connection wire connects described lightning arrester and described moving contact.
Further, described insulation board is fixed on described vehicle frame the place ahead by a plurality of insulation screws.
Further, described insulation board is provided with a plurality of buckles, and described connection wire is fixed in described a plurality of buckle.
Further, described buckle be arranged on described contact arm under.
Further, described contact arm is three, is arranged side by side in upper end, the place ahead of described vehicle frame, and the connection wire of described lightning arrester is three, is connected with moving contact on three contact arms respectively.
Further, have the perforation of described connection wire on the described insulation board, described connection wire connects described lightning arrester and described moving contact after passing described perforation.
Further, the distance between described insulation board and the described voltage transformer is 20 to 50CM.
Further, the width of described insulation board is less than the width of described vehicle frame.
Further, described vehicle frame also comprises and shaking into screw mandrel, also has screw hole on the described insulation board, and described shaking into screw mandrel passed described screw hole.
The invention has the beneficial effects as follows:
The lightning arrester that is arranged on the base reduces the car load center of gravity;
The spacing that lightning arrester is connected between wire and the voltage transformer by insulation board reaches safety value.
Description of drawings
Accompanying drawing 1 is structural representation of the present invention.
Mark in the accompanying drawing is respectively:
1. instrument transformer lightning arrester combination vehicle; 2. vehicle frame;
3. wheel; 4. instrument transformer;
5. contact arm; 6. moving contact;
7. screw mandrel; 8. insulation board;
9. securing member; 10. wire;
11. buckle.
Embodiment
Elaborate below in conjunction with the embodiment of accompanying drawing to the indoor voltage transformer lightning arrester of the present invention combination vehicle.
Referring to accompanying drawing 1, indoor voltage transformer lightning arrester combination vehicle 1 comprises vehicle frame 2, vehicle frame 2 belows arrange wheel 3, be used for the movement of indoor voltage transformer lightning arrester combination vehicle 1, platform at vehicle frame 2 is installed instrument transformer 4, at the base plate of vehicle frame 2 inside the lightning arrester (not shown) is installed, and the base plate top forms a casing, lightning arrester is arranged in the casing, and the front side of casing is selected insulating material and had through wires hole.The rear end of contact arm 5 is installed in the insulated column front end of the voltage transformer top of vehicle frame 2, contact arm 5 is insulated tubes of hollow, root is the electric-conductor that installation screw is arranged, the power spring that the crimping fuse tube is arranged in the root, the front end of pipe has screw thread, but the crimping power spring of attaching fuse tube and moving contact clamp electric conductor.Moving contact 6 is plum blossom fingertip modular connectors, and fingertip is installed on around the circular finger mount, has the spring reed tight outward, and root is installed in the draw-in groove of contact arm end, the end with advance with car in contact box and decide contact 6 grafting.In the middle of vehicle frame 2, also be provided with and shake into screw mandrel 7, be used for shaking into or withdrawing from of vehicle frame 2, indoor voltage transformer lightning arrester combination vehicle 1 is pushed suitable application site.Contact arm 5 is three, three moving contacts 6 are installed, it is horizontal that three moving contacts 6 are a word, three moving contacts 6 are used for connecing interchange ABC three-phase, three spaced apart are identical with element car contact arm 5 three spaced apart, each contact arm 5 all is contained in the contact box, in the contact box to decide the contact mid point relative with the mid point of contact arm moving contact.Side, the place ahead at vehicle frame 2 arranges insulation board 8, the material selection nylon material of insulation board 8.Insulation board 8 is fixed on before the table top of car and before the railway carriage, fixing with insulation securing member 9 in face of ride, insulation securing member 9 is generally the insulation screw, and the insulation screw is installed on four angles of insulation board 8.Fix with insulating supporting and insulation securing member before railway carriage, at least 4 fixedly make insulation board 8 threading framves stable and firm.Spacing between insulation board 8 and the voltage transformer is 20 to 50CM.The bottom of insulation board 8 has and connects the perforation that wire 10 passes.On insulation board 8, also have and shake the hole of passing through into screw mandrel 7.The width of insulation board 8 is unlikely to enlarge the width of vehicle frame 2 less than the width of vehicle frame 2.Be provided with buckle 11 at insulation board 8, buckle 11 is chosen as rectangular block, and the semi-circular notch smaller with wire 10 external diameters arranged in its pressure surface, and the left and right face of buckle 11 has installing hole, before ordering securing member wire 10 is pressed in the wiring insulation board with M6 or M8 insulation spiral shell during installation.Buckle 11 has 9,9 buckle 11 rectangular arrangements, and buckle 11 is fixed on the insulation board 8 by the hole clipping on the insulation board 8, and buckle 11 is elastic insulating material, and wire 10 is connected on the buckle 11.Spacing between the buckle 11 equates that with contact arm 5 spaced apart upper 3 buckles 11 are equal with the moving contact 6 of contact arm 5 front ends, the 2nd row's 3 buckles 11 and upper 3 buckle 11 consistencies from top to bottom and approaching.Lower 3 buckles 11 and upper 3 buckle 11 consistencies from top to bottom and with railway carriage before the insulation board perforation relative.
After equipment unit of the present invention installs, the connection wire of lightning arrester after the perforation sky of insulation board passes, is connected with the moving contact of contact arm front end, and fixed by snap on insulation board connecting wire, three spacings that connect between the wire are equated.Like this, arbitrary place of connecting wire and body frame structure for automotive body and voltage transformer bonding conductor spacing are all met the requirements.
The above only is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1. indoor voltage transformer lightning arrester combination vehicle, comprise vehicle frame, insulated column, contact arm, voltage transformer, described voltage transformer is installed on the described vehicle frame, the rear end of contact arm is installed in the insulated column front end of the voltage transformer top of vehicle frame, fuse is installed in the described contact arm, the front end of described fuse is connected with described moving contact, the rear end of described fuse is electrically connected with described voltage transformer, it is characterized in that: be provided with lightning arrester in described vehicle frame internal backplane, described vehicle frame the place ahead is fixedly installed insulation board, between described insulation board and the described voltage transformer certain distance is arranged, the connection wire of described lightning arrester separates by described insulation board and described voltage transformer, and described connection wire connects described lightning arrester and described moving contact.
2. indoor voltage transformer lightning arrester combination vehicle according to claim 1, it is characterized in that: described insulation board is fixed on described vehicle frame the place ahead by a plurality of insulation screws.
3. indoor voltage transformer lightning arrester combination vehicle according to claim 1, it is characterized in that: described insulation board is provided with a plurality of buckles, and described connection wire is fixed in described a plurality of buckle.
4. indoor voltage transformer lightning arrester combination vehicle according to claim 3 is characterized in that: described buckle be arranged on described contact arm under.
5. each described indoor voltage transformer lightning arrester combination vehicle in 4 according to claim 1, it is characterized in that: described contact arm is three, be arranged side by side in upper end, the place ahead of described vehicle frame, the connection wire of described lightning arrester is three, is connected with moving contact on three contact arms respectively.
6. each described indoor voltage transformer lightning arrester combination vehicle in 4 according to claim 1, it is characterized in that: have the perforation of described connection wire on the described insulation board, described connection wire connects described lightning arrester and described moving contact after passing described perforation.
7. each described indoor voltage transformer lightning arrester combination vehicle in 4 according to claim 1 is characterized in that: the distance between described insulation board and the described voltage transformer is 20 to 50CM.
8. each described indoor voltage transformer car in 4 according to claim 1, it is characterized in that: the width of described insulation board is less than the width of described vehicle frame.
9. each described indoor voltage transformer lightning arrester combination vehicle in 4 according to claim 1 is characterized in that: described vehicle frame also comprises and shaking into screw mandrel, also has screw hole on the described insulation board, and described shaking into screw mandrel passed described screw hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105520573A CN102983525A (en) | 2012-12-19 | 2012-12-19 | Indoor combination vehicle of voltage transformer and arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105520573A CN102983525A (en) | 2012-12-19 | 2012-12-19 | Indoor combination vehicle of voltage transformer and arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102983525A true CN102983525A (en) | 2013-03-20 |
Family
ID=47857348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105520573A Pending CN102983525A (en) | 2012-12-19 | 2012-12-19 | Indoor combination vehicle of voltage transformer and arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102983525A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104426088A (en) * | 2013-09-02 | 2015-03-18 | 新疆特变电工自控设备有限公司 | Voltage transformer handcart |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0224074A2 (en) * | 1985-11-18 | 1987-06-03 | Asea Brown Boveri Inc. | Electrical distribution apparatus having draw-out surge arrester |
| CN201667501U (en) * | 2010-04-16 | 2010-12-08 | 大连第二互感器集团有限公司 | Handcart with three voltage transformers and lightning arresters |
| CN202178522U (en) * | 2011-08-12 | 2012-03-28 | 上海西门子开关有限公司 | Handcart assembly and switch cubicle |
| CN202978083U (en) * | 2012-12-19 | 2013-06-05 | 上海人民电力设备股份有限公司 | Combination vehicle of indoor voltage transformer and lightning arrester |
-
2012
- 2012-12-19 CN CN2012105520573A patent/CN102983525A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0224074A2 (en) * | 1985-11-18 | 1987-06-03 | Asea Brown Boveri Inc. | Electrical distribution apparatus having draw-out surge arrester |
| CN201667501U (en) * | 2010-04-16 | 2010-12-08 | 大连第二互感器集团有限公司 | Handcart with three voltage transformers and lightning arresters |
| CN202178522U (en) * | 2011-08-12 | 2012-03-28 | 上海西门子开关有限公司 | Handcart assembly and switch cubicle |
| CN202978083U (en) * | 2012-12-19 | 2013-06-05 | 上海人民电力设备股份有限公司 | Combination vehicle of indoor voltage transformer and lightning arrester |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104426088A (en) * | 2013-09-02 | 2015-03-18 | 新疆特变电工自控设备有限公司 | Voltage transformer handcart |
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Application publication date: 20130320 |