CN206945739U - A kind of lightweight grading ring - Google Patents
A kind of lightweight grading ring Download PDFInfo
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- CN206945739U CN206945739U CN201720645557.XU CN201720645557U CN206945739U CN 206945739 U CN206945739 U CN 206945739U CN 201720645557 U CN201720645557 U CN 201720645557U CN 206945739 U CN206945739 U CN 206945739U
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- ring body
- ring
- grading
- supporter
- lightweight
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Abstract
The utility model discloses a kind of lightweight grading ring, the grading ring includes：First ring body, the second ring body, supporter；First ring body is connected with second ring body by supporter.The utility model using made of PVC material capsule-type twin nuclei replace metal grading ring, it is inflatable collapsible, weight can be mitigated, be readily transported, deposit and install, so as to improve test efficiency.
Description
Technical field
It the utility model is related to electrical equipment accessories field, more particularly to a kind of grading ring.
Background technology
In high-tension testing apparatus structure, electric field is typically uneven distribution, is needed at the scene in high-potting to high pressure
Electrode area does pressure processing, to reduce or eliminate the corona at high-field electrode position or shelf depreciation, so as to improve test result.
At present in high voltage electric equipment experiment, pressure-equalizing device made of generally use metallic aluminium, to realize the purpose of uniform electric field.This
Kind pressure-equalizing device often fix by shape, and volume and weight is all larger, and transport, storage and installation are all inconvenient, have a strong impact on experiment
Efficiency.
Utility model content
For in the prior art the defects of, the utility model provides a kind of lightweight grading ring, can mitigate weight, be easy to transport
Defeated, storage and installation, improve test efficiency.
The utility model provides a kind of lightweight grading ring, and the grading ring includes：First ring body, the second ring body, support
Body；First ring body is connected with second ring body by supporter.
Further, first ring body is parallel with second ring body and is coaxially disposed.
Further, the supporter includes：3rd ring body, the 4th ring body, connector；3rd ring body and described
Four ring bodies are connected in the outer spill of semicircle, the 3rd ring body with the 4th ring body by the connector.
Further, the 3rd ring body, the 4th ring body and the connector are wholely set.
Further, the inside of first ring body, second ring body and the supporter is full of compressed air.
Further, first ring body is connected with the 3rd ring body, and second ring body is connected with the 4th ring body.
Further, first ring body, second ring body and the supporter are made by PVC material.
Further, the outer surface of the grading ring is coated with conductive coating.
Further, the supporter includes three metallic cylinders.
Further, the outer surface of first ring body and second ring body is coated with conductive coating.
As shown from the above technical solution, the utility model provides a kind of lightweight grading ring, using the ring body structurc of capsule-type,
It is inflatable collapsible, weight can be mitigated, be readily transported, deposit and install, so as to improve test efficiency.
Brief description of the drawings
Fig. 1 shows the structural representation for the lightweight grading ring that the utility model embodiment one provides.
Fig. 2 shows the structural representation for the lightweight grading ring that the utility model embodiment two provides.
Embodiment
The embodiment of technical solutions of the utility model is described in detail below in conjunction with accompanying drawing.Following examples are only
For clearly illustrating the technical solution of the utility model, therefore example is intended only as, and this reality can not be limited with this
With new protection domain.
Embodiment one
Fig. 1 shows the structural representation for the lightweight grading ring that the utility model embodiment one provides., should as shown in Fig. 1
Grading ring includes：First ring body 1, the second ring body 2, supporter 3；Wherein the first ring body 1 and the second ring body 2 are connected by supporter 3
Connect, the first ring body 1 is parallel with the second ring body 2 and is coaxially disposed.
The grading ring can be arranged on the end realization for needing to realize the metalwork pressed and press, usually used grading ring
Mostly single ring architecture, the grading ring described in the embodiment of the present invention use twin nuclei, and the field strength and voltage that can make end have more
Big decline, to reach the purpose for reducing end field strength and pressing, while the probability that end produces corona can be reduced, so as to increase
Voltage equalizing.
Preferably, the supporter 3 includes：3rd ring body 31, the 4th ring body 32, connector 33；Wherein, the 3rd ring body 31
Connected with the 4th ring body 32 by connector 33, the 3rd ring body 31 is parallel with the 4th ring body 32 and is coaxially disposed.Further preferably
Ground, the 3rd ring body 31 and the 4th ring body 32 are the outer scrobicular ring body of semicircle；It is further preferred that the 3rd ring body 31, institute
State the 4th ring body 32 and the connector 33 is wholely set, inside is each filled with compressed air, is interconnected inside supporter 3.Should
After supporter 3 is full of compressed air, Stability Analysis of Structures is more preferable to the support effect of the first ring body and the second ring body.
First ring body 1 is connected with the supporter 3, and specifically, first ring body 1 is connected with the 3rd ring body 31,
In the 3rd ring body 31, the one side being connected with the first ring body 1 is concave, and the contact area of the first ring body 1 is big, supporting role
More preferably；Second ring body 2 is connected with the supporter 3, and specifically, second ring body 2 is connected with the 4th ring body 32,
In the 4th ring body 32, the one side being connected with the second ring body 2 is concave, and the contact area of the second ring body 2 is big, supporting role
More preferably.
Preferably, the first ring body 1, the second ring body 2 and supporter 3 are made by PVC material, and the thickness of PVC material is
1mm, its main material performance parameter are：Yield strength is 10.02e+006N/m2, tensile strength 1.353e+007N/m2, bullet
Property modulus is 5.99e+006N/m2.Metal is replaced using PVC material, the weight of grading ring can be mitigated, at the same use with
The PVC material of lower performance parameter, that is, disclosure satisfy that the requirement of inflation, also disclosure satisfy that the requirement of stress.PVC ring bodies have linear
The same tropism of elasticity, dimensionally stable after inflation, uniformly can in test bear larger pressure, will not deform upon, Yi Jizao
Into local protuberance, it also will not therefore cause shelf depreciation.
Preferably, the outer surface of the grading ring is coated with conductive coating, and the conductive coating is conductive composite coating, is led
The use of electrocoat can be achieved pressure and act on.
Preferably, inflation inlet is respectively equipped with the first ring body 1, the second ring body 2 and supporter 3, for being inflated and putting
Gas.Grading ring under inflated condition can realize that pressure acts on, the grading ring under deflation status, collapsible, folding, be readily transported,
Storage and installation.
The size of grading ring can be adjusted according to actual conditions, for example, 220kV grading rings the first ring body 1 and the second ring
The diameter of body 2 is 800mm, ring body caliber 250mm, two ring body centre-height 750mm.In practical operation, according to difference
The requirements of voltage conditions be adjusted correspondingly, the size of supporter 3 and the first ring body 1 and the size phase of the second ring body 2
Match somebody with somebody.
Based on above content, the technique effect that the utility model embodiment one can be realized is：Using by PVC material systems
Into capsule-type twin nuclei replace metal grading ring, it is inflatable collapsible, weight can be mitigated, be readily transported, deposit and pacify
Dress, so as to improve test efficiency；Ring body is supported using gas-filled type support body, Stability Analysis of Structures after inflation, support effect is good.
Embodiment two
Fig. 2 shows the structural representation for the lightweight grading ring that the utility model embodiment two provides., should as shown in Fig. 2
Grading ring is in capsule-type structure, including：First ring body 1, the second ring body 2, supporter 3；Described two ring bodies are parallel to each other, coaxially
Set, and described two ring bodies are connected by supporter 3.
Preferably, the first ring body 1 and the second ring body 2 are made by the thick PVC materials of cold-proof 1mm, its main material performance
Parameter is referring to the PVC material performance parameter provided in embodiment one, and inside is full of compressed air in ring body.Using PVC material
Instead of metal, the weight of grading ring can be mitigated.
Inflation inlet is equipped with two ring bodies, for being inflated and deflating, the grading ring under inflated condition can be realized
Pressure acts on, the grading ring under deflation status, collapsible, folding, is readily transported, deposits and installs.
Preferably, the outer surface of the first ring body 1 and the second ring body 2 is coated with conductive coating, and the conductive coating is to lead
Electric composite coating, the conductive coating can realize pressure effect.
Preferably, the supporter 3 includes three metallic cylinders, it is further preferred that the material of supporter 3 is cast aluminium,
Cast aluminium is light and cost is low, can reduce the overall weight of grading ring, and can reduce cost.The supporter hardness of metal structure
Height, the effect of support can be functioned well as.
Be respectively engaged with the ring body 2 of first ring body 1 and second in groove corresponding to supporter 3, realize supporter 3 with
Connection between first ring body 1, the second ring body 2.
The parameters such as the circle diameter up and down of the grading ring, annulus caliber, upper and lower ring centre-height, enter according to actual conditions
Row regulation.
By Solidworks software modelings, force analysis is carried out to the grading ring, examines the structure whether there is and fills
Whether material can destroy after deformation, inflation after gas, whether inflatable structure change in shape is uniform and part whether there is projection.It is and main
Want the stress situation of simulation analysis capsule-type structure grading ring.During modeling and simulating, elastomer is solely subjected to own wt,
It is solely subjected to the active force (only upper ring) of Y direction power.
Simulation analysis prove that in the case of the lightweight grading ring inflates 0.25~0.29MPa, its surface pressing is up to
0.243MPa, much smaller than its material tension intensity 13.5MPa, therefore material will not be destroyed.Meanwhile product maximum distortion is
3.724mm change in size is met the size requirements.Annulus is respectively consistent to change in shape, and local protuberance and partial discharge will not be caused to discharge.
Based on above content, the technique effect that the utility model embodiment two can be realized is：Using capsule-type tomfool's knot
Structure, it is inflatable collapsible, weight can be mitigated, be readily transported, deposit and install, so as to improve test efficiency；Using round metal
Cylinder is used as supporter, and support effect is good.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, either to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type, it all should cover among claim of the present utility model and the scope of specification.
Claims (7)
1. a kind of lightweight grading ring, it is characterised in that the grading ring includes：First ring body, the second ring body, supporter；It is described
First ring body is connected with second ring body by supporter, and first ring body is parallel with second ring body and coaxial sets
Put, the inside of first ring body, second ring body and the supporter is full of compressed air, first ring body, described
Second ring body and the supporter are made by PVC material.
2. lightweight grading ring according to claim 1, it is characterised in that the supporter includes：3rd ring body, Fourth Ring
Body, connector；3rd ring body and the 4th ring body pass through in the outer spill of semicircle, the 3rd ring body with the 4th ring body
The connector connection.
3. lightweight grading ring according to claim 2, it is characterised in that the 3rd ring body, the 4th ring body and institute
Connector is stated to be wholely set.
4. lightweight grading ring according to claim 2, it is characterised in that first ring body is connected with the 3rd ring body, institute
The second ring body is stated to be connected with the 4th ring body.
5. lightweight grading ring according to claim 2, it is characterised in that the outer surface of the grading ring is coated with conductive painting
Layer.
6. lightweight grading ring according to claim 1, it is characterised in that the supporter includes three metallic cylinders.
7. lightweight grading ring according to claim 6, it is characterised in that first ring body and second ring body it is outer
Surface spraying has conductive coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720645557.XU CN206945739U (en) | 2017-06-05 | 2017-06-05 | A kind of lightweight grading ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720645557.XU CN206945739U (en) | 2017-06-05 | 2017-06-05 | A kind of lightweight grading ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206945739U true CN206945739U (en) | 2018-01-30 |
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| CN201720645557.XU Active CN206945739U (en) | 2017-06-05 | 2017-06-05 | A kind of lightweight grading ring |
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| CN (1) | CN206945739U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107121567A (en) * | 2017-06-05 | 2017-09-01 | 李昂 | A kind of lightweight grading ring |
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2017
- 2017-06-05 CN CN201720645557.XU patent/CN206945739U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107121567A (en) * | 2017-06-05 | 2017-09-01 | 李昂 | A kind of lightweight grading ring |
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