CN206076909U - Touchable cable joint device on high-voltage side of transformer - Google Patents
Touchable cable joint device on high-voltage side of transformer Download PDFInfo
- Publication number
- CN206076909U CN206076909U CN201621118238.5U CN201621118238U CN206076909U CN 206076909 U CN206076909 U CN 206076909U CN 201621118238 U CN201621118238 U CN 201621118238U CN 206076909 U CN206076909 U CN 206076909U
- Authority
- CN
- China
- Prior art keywords
- cable
- bushing
- voltage side
- screw
- high voltage
- 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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Links
- 230000003068 static effect Effects 0.000 claims abstract description 20
- 239000002184 metal Substances 0.000 claims abstract description 10
- 229910052751 metal Inorganic materials 0.000 claims abstract description 10
- 239000004020 conductor Substances 0.000 claims abstract description 4
- 239000003822 epoxy resin Substances 0.000 claims abstract description 4
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 4
- 239000010410 layer Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 239000011241 protective layer Substances 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 claims description 3
- 240000000233 Melia azedarach Species 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Cable Accessories (AREA)
Abstract
The high-voltage side of the transformer can touch the cable joint device, the high-voltage bushing pours the static contact and shielding net together by epoxy resin, install the spring and touch and indicate in the ring channel in the static contact poured into high-voltage bushing, expose and design and have the screw hole of wiring on the end surface of static contact outside the high-voltage bushing, connect with the internal connection of high-voltage side of the transformer, the metal of the cable exposes the end and inserts in the inner hole of the cylindrical moving contact, there are screw holes on two cross sections of the moving contact, compress tightly the end of the cable through the countersunk head screw of the inner hexagon in the screw hole; the cable penetrates through the stress cone and is connected with the moving contact through the hexagon socket countersunk head screw, and the stress cone is arranged in the high-voltage bushing to form a good conductor. The utility model discloses a joint receives stress cone and high-voltage bushing's protection, and the intensity of anti outside striking is high, has formed a complete conductive loop through the connection of static contact and moving contact, and current impedance is little to guaranteed not have the danger of electric shock when the people touches device and cable surface.
Description
Technical field
This utility model device is related to the tangible cable connector device of controller switching equipment, i.e. high voltage side of transformer, for transformation
The on high-tension side high pressure leading-out terminal of device is docked with external cable.
Background technology
The high voltage side of transformer high pressure leading-out terminal for running currently on the market and the docking mode of external cable are all in sky
Both are linked together with screw in the environment of gas, the easy corrosion of wind and weather, it is often more important that, easily connect with other objects
Touch, cause short circuit to cause fire, if worker exposure can cause great electrical shock safety accident to leading-out terminal.
The content of the invention
The purpose of this utility model is mainly for the high voltage side of transformer high pressure leading-out terminal for solving to run in the market
All there is great electrical shock safety hazard with the docking mode of external cable.
The tangible cable connector device of high voltage side of transformer, including two parts, i.e., the bushing part and electricity with spill
Cable fittings part, it is characterised in that bushing part includes bushing, static contact, gauze screen and spring touch finger, high gland
Pipe by epoxy resin by static contact and gauze screen moulding by casting together, the cannelure being cast in the static contact in bushing
In spring touch finger is installed, be designed with terminal screw hole on the exposed static contact end face outside bushing, with transformer high-voltage
Side back panel wiring connection, gauze screen are drawn screw by gauze screen and are connected with outside the earth；Cable accessory part includes moving contact,
Stress cone and hexagon socket countersunk flat cap head screw, the exposed metal/bare metal end of cable are inserted in the endoporus of columnar moving contact, and the two of moving contact
There is screw on individual cross section, it is symmetrical on each cross section to be disposed with screw 2-4, by hexagon socket countersunk flat cap head screw general in screw
Cable end is compressed；When two parts are assembled, cable is passed through into stress cone, and is connected to moving contact by hexagon socket countersunk flat cap head screw
Together, stress cone is loaded in bushing, moving contact extrudes and pass through spring touch finger, cable end, moving contact, spring to touch
Refer to, static contact and high voltage side of transformer back panel wiring form a good electric conductor.
There is the groove that can install sealing ring at bushing reducing step.
Bushing is arranged on the cover plate of transformator by sealing ring, and there be sleeve pipe pressing plate in portion on high voltage bushings, and
Sleeve pipe pressing plate is compressed by welding bolt on the cover board.
There is cable pressing plate on stress cone top, and cable pressing plate is compressed by the bolt by welding on the cover board, in case
Cable rollback after only connecting well.
Gauze screen is drawn screw by gauze screen and is connected with outside the earth.
Cable is metal core, main insulating layer, semiconductor layer, copper shield belt and insulating protective layer from inside to outside, cable
In copper shield belt by earth lead introduce the earth.
Joint of the present utility model is stressed the protection of cone and bushing, and the intensity of anti-outside strike is high, by quiet
Contact and moving contact constitute a complete galvanic circle, and current impedance is little, when transformator is powered and runs, this dress
Put the spuious electric charge formed by surface and cable surface and the earth introduced in time by the grounded wire of respective screen layer, it is ensured that
This device and cable surface will not be detained electric charge, so as to ensure that the danger that electric shock is not had when people touches device and cable surface
Danger.
Description of the drawings
Fig. 1 is that bushing of the Part I of the present utility model with spill is assembled together with Part II cable accessory
Assembly figure afterwards.
Fig. 2 is the top view of Fig. 1.
In figure：1st, bushing, 2, static contact, 3, gauze screen, 4, spring touch finger, 5, terminal screw hole, 6, moving contact, 7,
Stress cone, 8, hexagon socket countersunk flat cap head screw, 9, cable, 10, sealing ring, 11, cover plate, 12, sleeve pipe pressing plate, 13, bolt, 14, cable
Pressing plate, 15, gauze screen draw screw.
Specific embodiment
Below in conjunction with the accompanying drawings this utility model is described in detail as follows：
In Fig. 1, Fig. 2, the tangible cable connector device of high voltage side of transformer, including two parts, the i.e. high pressure with spill
Sleeve portion and cable accessory part, bushing part include bushing 1, static contact 2, gauze screen 3 and spring touch finger 4,
Bushing 1 by epoxy resin by static contact 2 and 3 moulding by casting of gauze screen together, the static contact being cast in bushing 1
Spring touch finger 4 is installed in the cannelure in 2, on exposed 2 end face of static contact outside bushing 1, terminal screw hole is designed with
15, it is connected with high voltage side of transformer back panel wiring, gauze screen 3 is drawn screw 5 by gauze screen and is connected with outside the earth；Cable is attached
Part part includes moving contact 6, stress cone 7 and hexagon socket countersunk flat cap head screw 8, and the exposed metal/bare metal end of cable 9 is inserted in columnar moving and touches
In 6 endoporus, on two cross sections of moving contact 6, there is screw, it is symmetrical on each cross section to be disposed with screw 2, screw
In by hexagon socket countersunk flat cap head screw 8 by 9 end of cable compress；When two parts are assembled, cable 9 is passed through into stress cone 7, and by interior
Hexagonal sunk screw 8 is linked together with moving contact 6, and stress cone 7 is loaded in bushing 1, and moving contact 6 is extruded and through bullet
Spring fingertip 4,9 end of cable, moving contact 6, spring touch finger 4, static contact 2 and high voltage side of transformer back panel wiring form one well
Electric conductor.
There is the groove that can install sealing ring 10 at 1 reducing step of bushing.
Bushing 1 is arranged on the cover plate 11 of transformator by sealing ring 10, also has sleeve pipe pressure on 1 top of bushing
Plate 12, and sleeve pipe pressing plate 12 is compressed by the bolt 13 being welded on cover plate 11.
There is cable pressing plate 14 on 7 top of stress cone, and by the bolt 13 that is welded on cover plate 11 by cable pressing plate 14
Compress, to prevent the cable rollback of Lian Haohou.
Gauze screen 3 is drawn screw 5 by gauze screen and is connected with outside the earth.
Cable 9 is metal core, main insulating layer, semiconductor layer, copper shield belt and insulating protective layer from inside to outside, cable
In copper shield belt by earth lead introduce the earth.（It is not drawn into）
Claims (6)
1. the tangible cable connector device of high voltage side of transformer, including two parts, i.e., the bushing part and cable with spill
Accessories section, it is characterised in that bushing part includes bushing, static contact, gauze screen and spring touch finger, bushing
By epoxy resin by static contact and gauze screen moulding by casting together, be cast in the cannelure in the static contact in bushing
Spring touch finger is installed, and terminal screw hole is designed with the exposed static contact end face outside bushing, with high voltage side of transformer
Back panel wiring connects, and gauze screen is drawn screw by gauze screen and is connected with outside the earth；Cable accessory part includes moving contact, should
Power is bored and hexagon socket countersunk flat cap head screw, and the exposed metal/bare metal end of cable is inserted in the endoporus of columnar moving contact, two of moving contact
There is screw on cross section, it is symmetrical on each cross section to be disposed with screw 2-4, by hexagon socket countersunk flat cap head screw by electricity in screw
Cable-end portion compresses；When two parts are assembled, cable is passed through into stress cone, and one is connected to by hexagon socket countersunk flat cap head screw and moving contact
Rise, stress cone loaded in bushing, moving contact extrudes and pass through spring touch finger, cable end, moving contact, spring touch finger,
Static contact and high voltage side of transformer back panel wiring form a good electric conductor.
2. the tangible cable connector device of high voltage side of transformer according to claim 1, it is characterised in that bushing becomes
There is the groove that can install sealing ring at the step of footpath.
3. the tangible cable connector device of high voltage side of transformer according to claim 1, it is characterised in that bushing leads to
Sealing ring is crossed on the cover plate of transformator, there be sleeve pipe pressing plate in portion on high voltage bushings, and by welding on the cover board
Sleeve pipe pressing plate is compressed by bolt.
4. the tangible cable connector device of high voltage side of transformer according to claim 1, it is characterised in that on stress cone
There is cable pressing plate in portion, and cable pressing plate is compressed by the bolt by welding on the cover board, to prevent the cable rollback of Lian Haohou.
5. the tangible cable connector device of high voltage side of transformer according to claim 1, it is characterised in that gauze screen passes through
Gauze screen is drawn screw and is connected with outside the earth.
6. the tangible cable connector device of high voltage side of transformer according to claim 1, it is characterised in that cable by it is interior to
It is outward metal core, main insulating layer, semiconductor layer, copper shield belt and insulating protective layer, the copper shield belt in cable is by connecing
Ground wire introduces the earth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621118238.5U CN206076909U (en) | 2016-10-13 | 2016-10-13 | Touchable cable joint device on high-voltage side of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621118238.5U CN206076909U (en) | 2016-10-13 | 2016-10-13 | Touchable cable joint device on high-voltage side of transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206076909U true CN206076909U (en) | 2017-04-05 |
Family
ID=58442316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621118238.5U Active CN206076909U (en) | 2016-10-13 | 2016-10-13 | Touchable cable joint device on high-voltage side of transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206076909U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106300226A (en) * | 2016-10-13 | 2017-01-04 | 常德天马电器股份有限公司 | Touchable cable joint device on high-voltage side of transformer |
-
2016
- 2016-10-13 CN CN201621118238.5U patent/CN206076909U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106300226A (en) * | 2016-10-13 | 2017-01-04 | 常德天马电器股份有限公司 | Touchable cable joint device on high-voltage side of transformer |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |