CN208538635U - The magnetic shielding device and fuel tank of fuel tank - Google Patents
The magnetic shielding device and fuel tank of fuel tank Download PDFInfo
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- CN208538635U CN208538635U CN201820305860.XU CN201820305860U CN208538635U CN 208538635 U CN208538635 U CN 208538635U CN 201820305860 U CN201820305860 U CN 201820305860U CN 208538635 U CN208538635 U CN 208538635U
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- wall
- fuel tank
- magnetic
- magnetic screen
- strap
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Abstract
The utility model discloses a kind of magnetic shielding device of fuel tank and fuel tanks, magnetic shielding device includes the magnetic screen being set in fuel tank and the first position-limit mechanism, first position-limit mechanism is for limiting magnetic screen so that magnetic screen is pressed in inner wall of oil tank, first position-limit mechanism includes strap and at least two bolt band portions for tacking strap, bolt band portion is set on inner wall of oil tank and forms the insertion hole that the free end of strap can be made to insert between inner wall of oil tank, the free end of strap binds magnetic screen after being each passed through two insertion holes, the magnetic screen being located between two insertion holes is pressed on inner wall of oil tank.The magnetic shielding device of fuel tank in the utility model, binding limit is carried out to magnetic screen by the strap in the first position-limit mechanism, operation and later period is facilitated to repair, strap avoids fuel tank electric discharge, the wedge angle burr when installation of Conventional limit part is avoided, uniformly has great help to transformer electric field, magnetic field.
Description
Technical field
The utility model belongs to transformer technology field, and in particular to a kind of magnetic shielding device and fuel tank of fuel tank.
Background technique
As transformer is widely used in every field, the magnetic screen of fuel tank can obstruct the iron core magnetic flux of transformer in oil
The added losses and hot-spot of generation are cut in case, the magnetic screen of fuel tank has been widely applied to transformer and has reduced additional damage
In consumption and hot-spot.The position-limit mechanism of common tradition magnetic screen is that tank wall welds Zhi Tie, will prop up stable folding when installing magnetic screen
At 120 ° to limit.The position limiting structure of conventional magnetic screen will cause fuel tank side wedge angle burr, increase fuel tank discharge probability,
To avoid such case from also needing on the outside of magnetic screen one layer paperboard of integral protection again.And the position limiting structure of this magnetic screen is not
Conducive to maintenance.And the locating piece of the magnetic screen of fuel tank in the prior art welds complexity, locating piece welding capacity is huge.
Utility model content
Technical problem to be solved in the utility model is aiming at the above shortcomings existing in the prior art, to provide a kind of oil
The magnetic shielding device and fuel tank of case, the position limiting structure for solving magnetic screen in the prior art will cause fuel tank side wedge angle burr,
The technical issues of making the increase of fuel tank discharge probability.
The magnetic shielding device that technical solution used by the utility model technical problem is to provide a kind of fuel tank is solved, including
The magnetic screen being set in fuel tank and the first position-limit mechanism, the first position-limit mechanism is for limiting magnetic screen so that magnetic screen
It is pressed on inner wall of oil tank, the first position-limit mechanism includes strap and at least two bolt band portions for tacking strap, bolt band portion
Be set on inner wall of oil tank and formed between inner wall of oil tank the insertion hole that the free end of strap can be made insert, strap oneself
Magnetic screen is bound after being each passed through two insertion holes by end, the magnetic screen being located between two insertion holes is pressed in fuel tank
On inner wall.
Preferably, bolt band portion is strip, and the both ends of the bolt band portion of strip connect to form insert with the inner wall of fuel tank respectively
Hole, bolt band portion are domed.
Preferably, using plane where inner wall of oil tank as basal plane, the height of bolt band portion is lower than the thickness of magnetic screen.
Preferably, bolt band portion is round steel or band steel, and magnetic shielding device further includes being set between magnetic screen and bolt band portion
Insulating part for insulation.
Preferably, insulating part is the laminated structure of arc.
Preferably, the magnetic shielding device of the fuel tank further includes the second position-limit mechanism for being set to inner wall of oil tank, the
Two position-limit mechanisms are used to hold up magnetic screen below magnetic screen and limit to it.
Preferably, the second position-limit mechanism includes the first wall and the second wall, and one end of the first wall and one end of the second wall are solid
The angle of fixed connection, the first wall and the second wall is not more than 90 °, and the other end of the first wall is connect with inner wall of oil tank, and the first wall is used
In holding up magnetic screen below magnetic screen, the second wall is used to magnetic screen being stuck in inner wall of oil tank.
Preferably, the second position-limit mechanism is bent to form by band steel.
Preferably, strap is at least two, and each strap passes through positioned at the two sides of magnetic screen width direction
Bolt band portion is tacked, and strap is uniformly arranged along the length direction of magnetic screen.
Preferably, bolt band portion and the connection type of inner wall of oil tank are one of to weld, rivet, be spirally connected.
Preferably, the magnetic shielding device of the fuel tank further includes ground line, ground connection fastener, is arranged in magnetic screen
There is ground hole, ground line is across ground hole connection magnetic screen and ground connection fastener.
The utility model also provides a kind of fuel tank, the magnetic shielding device including above-mentioned fuel tank.
The effect that the technical solution of the utility model generates are as follows:
1, the magnetic screen of the fuel tank of the utility model overcomes the locating piece welding complexity of the magnetic screen of traditional fuel tank, positioning
The huge disadvantage of part welding capacity.
2, it when the magnetic screen installation of the fuel tank of the utility model, is limited using strap is fixed, easy for installation, fix tightly
Gu.The wedge angle burr when installation of Conventional limit part is avoided, uniformly has great help to transformer electric field, magnetic field.
3, traditional fuel tank magnetic screen can not carry out later maintenance, the strap band of the magnetic screen of the fuel tank in the utility model
It can easily remove, install, bring great convenience to later period maintenance.
Detailed description of the invention
Fig. 1 is the main view of the fuel tank magnetic screen in the utility model embodiment 2；
Fig. 2 is the left view of the fuel tank magnetic screen in the utility model embodiment 2；
Fig. 3 is the top view of the fuel tank magnetic screen in the utility model embodiment 2；
Fig. 4 is the partial structurtes enlarged drawing of the fuel tank magnetic screen in the utility model embodiment 2.
In figure: 1- magnetic screen；2- inner wall of oil tank；3- strap；4- bolt band portion；5- insulating part；The second position-limit mechanism of 6-；7-
Insertion hole.
Specific embodiment
It is with reference to the accompanying drawing and specific real to make those skilled in the art more fully understand the technical solution of the utility model
Mode is applied to be described in further detail the utility model.
Embodiment 1
The present embodiment provides a kind of magnetic shielding devices of fuel tank, including the magnetic screen being set in fuel tank and the first position restrainer
Structure, for being limited to magnetic screen so that magnetic screen is pressed in inner wall of oil tank, the first position-limit mechanism includes the first position-limit mechanism
Strap and at least two bolt band portions for bolt strap, bolt band portion is set on inner wall of oil tank and the shape between inner wall of oil tank
At the insertion hole that the free end of strap can be made to insert, the free end of strap be each passed through after two insertion holes to magnetic screen into
Row binding, the magnetic screen being located between two insertion holes is pressed on inner wall of oil tank.
The present embodiment also provides a kind of fuel tank, the magnetic shielding device including above-mentioned fuel tank.
The effect that the technical solution of the present embodiment generates are as follows:
1, the magnetic screen of the fuel tank of the present embodiment overcomes the locating piece welding complexity of the magnetic screen of traditional fuel tank, locating piece
The huge disadvantage of welding capacity.
2, it when the magnetic screen installation of the fuel tank of the present embodiment, is limited using strap is fixed, easy for installation, fixation.
The wedge angle burr when installation of Conventional limit part is avoided, uniformly has great help to transformer electric field, magnetic field.
3, traditional fuel tank magnetic screen can not carry out later maintenance, the strap band energy of the magnetic screen of the fuel tank in the present embodiment
It is enough easily to remove, install, it brings great convenience to later period maintenance.
Embodiment 2
As shown in Figures 1 to 3, the present embodiment provides a kind of magnetic shielding devices of fuel tank, including the magnetic cup being set in fuel tank
1 and first position-limit mechanism are covered, the first position-limit mechanism is for limiting magnetic screen 1 so that magnetic screen 1 is pressed in inner wall of oil tank 2
On, the first position-limit mechanism includes strap 3 and at least two bolt band portions 4 for tacking strap 3, and bolt band portion 4 is set to oil
Form on chamber interior wall 2 and between inner wall of oil tank 2 insertion hole 7 that the free end of strap 3 can be made to insert, the freedom of strap 3
End binds magnetic screen 1 after being each passed through two insertion holes 7, and the magnetic screen 1 being located between two insertion holes 7 is pressed in oil
On chamber interior wall 2.Specifically, the magnetic screen 1 in the present embodiment is silicon steel sheet, it can be tight by magnetic screen 1 by the first position-limit mechanism
Tight is pressed on inner wall of oil tank 2.
It should be noted that in the present embodiment bolt band portion 4 be strip, the both ends of the bolt band portion 4 of strip respectively with fuel tank
Inner wall connects to form insertion hole 7, and bolt band portion 4 is domed.Using 2 place plane of inner wall of oil tank as basal plane in the present embodiment, bolt band portion 4
Height be lower than the thickness of magnetic screen 1, strap 3 is bound after passing through insertion hole 7, and the height of bolt band portion 4 is lower than magnetic screen 1
Thickness be conducive to the tight magnetic screen 1 of 3 bolt of strap.
Preferably, bolt band portion 4 is round steel or band steel, magnetic shielding device further include be set to magnetic screen 1 and bolt band portion 4 it
Between for insulation insulating part 5.Specifically, the bolt band portion 4 in the present embodiment is round steel, the free end of strap 3 is passed through by justifying
The insertion hole 7 that steel is formed, the radian of the appearance of round steel can protect strap 3, reduce the abrasion of strap 3, and avoid fuel tank
It shakes and magnetic screen 1 is made to cut off strap 3.When being provided with insulating part 5 between magnetic screen 1 and bolt band portion 4, the bolt band portion of arch
4 height lower than magnetic screen 1 thickness and insulating part 5 thickness and.
It should be noted that insulating part 5 is the laminated structure of arc in the present embodiment.Specifically, exhausted in the present embodiment
Edge part 5 is insulation board.
It should be noted that the magnetic shielding device of fuel tank described in the present embodiment further includes being set to inner wall of oil tank 2
Second position-limit mechanism 6, the second position-limit mechanism 6 are used to hold up magnetic screen 1 below magnetic screen 1 and limit to it.
It should be noted that in the present embodiment the second position-limit mechanism 6 include the first wall and the second wall, one end of the first wall with
One end of second wall is fixedly connected, and the angle of the first wall and the second wall is not more than 90 °, the other end and inner wall of oil tank of the first wall
2 connections, the first wall are used to hold up magnetic screen 1 below magnetic screen 1, and the second wall is used to magnetic screen 1 being stuck in inner wall of oil tank 2.
The lower end of magnetic screen 1 is placed on the first wall, and in the gap between the second wall and inner wall of oil tank 2, will by the second wall
Magnetic screen 1 is blocked.Second position-limit mechanism 6 limits magnetic screen 1, and avoiding transformer station high-voltage side bus vibration causes magnetic screen 1 to move
It is dynamic.
It should be noted that the second position-limit mechanism 6 is bent to form by band steel in the present embodiment, and is bent upward, there is limit
Position and load-bearing effect.
Preferably, strap 3 is at least two, and each strap 3 passes through positioned at the two sides of 1 width direction of magnetic screen
Bolt band portion 4 tack, strap 3 is uniformly arranged along the length direction of magnetic screen 1.
Preferably, bolt band portion 4 and the connection type of inner wall of oil tank 2 are one of to weld, rivet, be spirally connected.Specifically,
Bolt band portion 4 and the connection type of inner wall of oil tank 2 are welding in the present embodiment.
It should be noted that the magnetic shielding device of fuel tank described in the present embodiment, further includes ground line, ground connection fastening
Part is provided with ground hole in magnetic screen 1, and ground line is across ground hole connection magnetic screen 1 and ground connection fastener.After being installed,
It is passed through, magnetic screen 1 and ground connection fastener is linked together, specifically, the present embodiment from the ground hole of magnetic screen 1 with ground line
In ground connection fastener be earth stud, ground line firmly is pressed on inner wall of oil tank 2 by the gasket in outside, nut, realization
Reliable one point earth.
The present embodiment also provides a kind of fuel tank, the magnetic shielding device including above-mentioned fuel tank.
The effect that the technical solution of the present embodiment generates are as follows:
1, the magnetic screen 1 of the fuel tank of the present embodiment overcomes the locating piece welding complexity of the magnetic screen 1 of traditional fuel tank, positioning
The huge disadvantage of part welding capacity.
2, it when the magnetic screen 1 of the fuel tank of the present embodiment is installed, is limited using strap 3 is fixed, easy for installation, fix tightly
Gu.The wedge angle burr when installation of Conventional limit part is avoided, uniformly has great help to transformer electric field, magnetic field.
3, traditional fuel tank magnetic screen 1 can not carry out later maintenance, the strap 3 of the magnetic screen 1 of the fuel tank in the present embodiment
It can easily remove, install, bring great convenience to later period maintenance.
It is understood that embodiment of above is merely to illustrate that the principles of the present invention and uses exemplary
Embodiment, however the utility model is not limited thereto.For those skilled in the art, this is not being departed from
In the case where the spirit and essence of utility model, various changes and modifications can be made therein, these variations and modifications are also considered as this reality
With novel protection scope.
Claims (10)
1. a kind of magnetic shielding device of fuel tank, including the magnetic screen being set in fuel tank and the first position-limit mechanism, the first position restrainer
Structure is for limiting magnetic screen so that magnetic screen is pressed in inner wall of oil tank, which is characterized in that the first position-limit mechanism includes beating
Band and at least two bolt band portions for tacking strap, bolt band portion is set on inner wall of oil tank and the shape between inner wall of oil tank
At the insertion hole that the free end of strap can be made to insert, the free end of strap be each passed through after two insertion holes to magnetic screen into
Row binding, the magnetic screen being located between two insertion holes is pressed on inner wall of oil tank.
2. the magnetic shielding device of fuel tank according to claim 1, which is characterized in that bolt band portion is strip, the bolt band of strip
The both ends in portion connect to form insertion hole with the inner wall of fuel tank respectively, and bolt band portion is domed.
3. the magnetic shielding device of fuel tank according to claim 1 or 2, which is characterized in that bolt band portion is round steel or band steel, magnetic
Screening arrangement further includes the insulating part being set between magnetic screen and bolt band portion for insulation.
4. the magnetic shielding device of fuel tank according to claim 1, which is characterized in that further include be set to inner wall of oil tank
Two position-limit mechanisms, the second position-limit mechanism are used to hold up magnetic screen below magnetic screen and limit to it.
5. the magnetic shielding device of fuel tank according to claim 4, which is characterized in that the second position-limit mechanism include the first wall and
Second wall, one end of the first wall are fixedly connected with one end of the second wall, and the angle of the first wall and the second wall is no more than 90 °, first
The other end of wall is connect with inner wall of oil tank, and the first wall is used to hold up magnetic screen below magnetic screen, and the second wall is used for magnetic cup
It covers and is stuck on inner wall of oil tank.
6. the magnetic shielding device of fuel tank according to claim 5, which is characterized in that the second position-limit mechanism is by band steel bent
At.
7. the according to claim 1, magnetic shielding device of fuel tank described in 2,4~6 any one, which is characterized in that strap is extremely
It is less two, each strap is tacked by being located at the bolt band portion of the two sides of magnetic screen width direction, and strap is along magnetic cup
The length direction covered is uniformly arranged.
8. the according to claim 1, magnetic shielding device of fuel tank described in 2,4~6 any one, which is characterized in that bolt band portion with
The connection type of inner wall of oil tank is one of to weld, rivet, be spirally connected.
9. the according to claim 1, magnetic shielding device of fuel tank described in 2,4~6 any one, which is characterized in that further include connecing
Ground wire is grounded fastener, ground hole is provided in magnetic screen, ground line is across ground hole connection magnetic screen and ground connection fastener.
10. a kind of fuel tank, which is characterized in that the magnetic shielding device including fuel tank described in any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820305860.XU CN208538635U (en) | 2018-03-06 | 2018-03-06 | The magnetic shielding device and fuel tank of fuel tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820305860.XU CN208538635U (en) | 2018-03-06 | 2018-03-06 | The magnetic shielding device and fuel tank of fuel tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208538635U true CN208538635U (en) | 2019-02-22 |
Family
ID=65395487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820305860.XU Active CN208538635U (en) | 2018-03-06 | 2018-03-06 | The magnetic shielding device and fuel tank of fuel tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208538635U (en) |
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2018
- 2018-03-06 CN CN201820305860.XU patent/CN208538635U/en active Active
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