CN206920470U - A kind of spring presses formula grading ring - Google Patents
A kind of spring presses formula grading ring Download PDFInfo
- Publication number
- CN206920470U CN206920470U CN201720507993.0U CN201720507993U CN206920470U CN 206920470 U CN206920470 U CN 206920470U CN 201720507993 U CN201720507993 U CN 201720507993U CN 206920470 U CN206920470 U CN 206920470U
- Authority
- CN
- China
- Prior art keywords
- ring
- grading ring
- spring
- auxiliary connection
- connection ring
- 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.)
- Expired - Fee Related
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a kind of spring to press formula grading ring, is related to high-potting field.The grading ring includes main grading ring, connecting tube, auxiliary connection ring and fastening spring, the both ends of the connecting tube are connected with main grading ring and auxiliary connection ring respectively, at least one groove is provided with the inside of the auxiliary connection ring, the fastening spring is embedded in groove, the auxiliary connection ring is arranged on high-tension testing apparatus by fastening spring, and the main grading ring is hollow ring structure.The utility model solves high-tension testing apparatus grading ring and has that security risk is big, installation effectiveness is low in installation process, it is difficult to the problems such as installing, has and installs the advantages of quick, efficient, laborsaving.
Description
Technical field
High-potting field is the utility model is related to, a kind of spring is specifically related to and presses formula grading ring.
Background technology
Grading ring is an essential fittings equipment of high-tension testing apparatus.Undertake anti-corona noise reduction and homogeneous potential distribution
Important function, concern the safety of high-potting.Grading ring is typically all arranged on the high-voltage leading-out wire or height of high-tension testing apparatus
The top of the position of crimp head, generally high-tension testing apparatus.The high pressure examinations such as industrial frequency withstand voltage experiment, voltage transformer error experiment
Test and carry out at the scene, it is necessary to high-tension testing apparatus be transported to testing ground, by road transport height limitation, grading ring one mostly
As be high-tension testing apparatus reach testing ground after install again, also need to remove grading ring after off-test, dismount workload
Greatly.
At present, the grading ring of high-tension testing apparatus, particularly super-pressure and the grading ring of extra-high voltage experiment equipment are installed on,
Because test voltage is high, caliber and ring footpath are all larger, heavier-weight.Installation grading ring is typically first hung grading ring by crane
Or testing crew is lifted to high-tension testing apparatus, then fixes grading ring with fastener again.Fixed form is generally in height
Pressure testing equipment top is fastened with bolt.Installation steps are as follows：Testing crew reaches and height by step ladder or lifting trolley
Testing equipment top flush position is pressed, grading ring is then passed around and grading ring is fixed on height with bolt on high-tension testing apparatus top
Press on testing equipment flange, or hand is extended into grading ring and the gap before high-tension testing apparatus top, will be pressed with bolt
Ring is fixed on high-tension testing apparatus flange, due to blocking for grading ring, it is difficult to see high-potting top bolt position, hand and
Instrument, which is also difficult to reach, needs station to be mounted so that and the installation of grading ring is very difficult, and than relatively hazardous.Meanwhile press
Ring due to no limit point, easily rocks when mounted, and the fixation by field test personnel or crane is very difficult, safety system
Number is low.In summary, installation be present using the grading ring of prior art security risk is big, installation effectiveness is low, some is even difficult to
The problem of installation.
Utility model content
The purpose of this utility model is to overcome the shortcomings of above-mentioned background technology, there is provided a kind of spring, which presses formula, presses
Ring.The utility model solves high-tension testing apparatus grading ring and has that security risk is big, installation effectiveness is low in installation process, difficult
The problems such as to install, have and the advantages of quick, efficient, laborsaving is installed.
The utility model provides a kind of spring and presses formula grading ring, including main grading ring, connecting tube, auxiliary connection ring and tight
Gu spring, the both ends of the connecting tube are connected with main grading ring and auxiliary connection ring respectively, are set on the inside of the auxiliary connection ring
At least one groove is equipped with, the fastening spring is embedded in groove, and the auxiliary connection ring is arranged on high pressure by fastening spring
On testing equipment, the main grading ring is hollow ring structure.
On the basis of above-mentioned technical proposal, it is provided with what is be engaged with high-tension testing apparatus top in the auxiliary connection ring
Opening, the groove are located on the side of opening.
On the basis of above-mentioned technical proposal, two grooves being arranged side by side are provided with the side of the opening, it is described
The cross section of groove is rectangular, and each groove is embedded in a fastening spring, and the fastening spring is ring spring, the fastening
The diameter of spring is more than the depth of groove.
On the basis of above-mentioned technical proposal, the quantity of the connecting tube is four, and four connecting tubes are uniformly distributed
Between main grading ring and auxiliary connection ring.
On the basis of above-mentioned technical proposal, the connecting tube is hollow structure, described connecting tube both ends respectively with master
Grading ring and auxiliary connection ring welding.
On the basis of above-mentioned technical proposal, the diameter of the main grading ring is more than the diameter of auxiliary connection ring.
On the basis of above-mentioned technical proposal, the axis of the auxiliary connection ring and main grading ring vertical direction overlaps, and
Main grading ring is positioned at the top of auxiliary connection ring.
Compared with prior art, it is as follows the advantages of the utility model：The utility model directly will be pressed by fastening spring
Ring presses formula and is sleeved on high-tension testing apparatus, is capable of the installation that a step completes grading ring, without tightening up a screw, during installation without
It is spacing that people holds grading ring, realizes quick, efficient, laborsaving installation grading ring, is adapted to widely use in high-potting field.
Brief description of the drawings
Fig. 1 is the structural representation that the utility model embodiment spring presses formula grading ring.
Fig. 2 is Fig. 1 B-B sectional views.
Fig. 3 is that the utility model embodiment spring presses structural representation of the formula grading ring on high-tension testing apparatus
Figure.
Reference：The main grading rings of 1-, 2- connecting tubes, 3- auxiliary connection rings, 4- fastening springs, 5- openings, 6- grooves.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment is described in further detail to the utility model.
Referring to shown in Fig. 1, Fig. 2, the utility model embodiment provides a kind of spring and presses formula grading ring, including main grading ring
1st, connecting tube 2, auxiliary connection ring 3 and fastening spring 4, the both ends of connecting tube 2 connect with main grading ring 1 and auxiliary connection ring 3 respectively
Connect, the inner side of auxiliary connection ring 3 is provided with least one groove 6, and fastening spring 4 is embedded in groove 6, during main grading ring 1 is
Empty loop configuration.Shown in Figure 3, auxiliary connection ring 3 is arranged on high-tension testing apparatus by fastening spring 4, passes through fastening
The reaction force of spring 4 is by grading ring hoop on high-tension testing apparatus.
It is shown in Figure 2, aid in being provided with the opening 5 being engaged with high-tension testing apparatus top, groove 6 in connection ring 3
In on the side of opening 5.Preferably, it is open on 5 side and is provided with two grooves being arranged side by side 6, the cross section of groove 6 is in
Rectangle, each groove 6 are embedded in a fastening spring 4, and fastening spring 4 is ring spring, and the diameter of fastening spring 4 is more than groove
6 depth.
Referring to shown in Fig. 1, Fig. 2, the quantity of connecting tube 2 is four, and four connecting tubes 2 are evenly distributed on the main He of grading ring 1
Between auxiliary connection ring 3.Connecting tube 2 is hollow structure, the both ends of connecting tube 2 respectively with main grading ring 1 and auxiliary connection ring 3 weld
Connect.The diameter of main grading ring 1 is more than the diameter of auxiliary connection ring 3.
It is shown in Figure 3, aid in the axis of connection ring 3 and the vertical direction of main grading ring 1 to overlap, and main grading ring 1 is located at
Aid in the top of connection ring 3.
Those skilled in the art can carry out various modifications and variations to the utility model embodiment, if these are changed
With modification within the scope of the utility model claims and its equivalent technologies, then these modifications and variations are also new in this practicality
Within the protection domain of type.
The prior art that the content not being described in detail in specification is known to the skilled person.
Claims (7)
1. a kind of spring presses formula grading ring, it is characterised in that：Including main grading ring (1), connecting tube (2), auxiliary connection ring (3)
With fastening spring (4), the both ends of the connecting tube (2) are connected with main grading ring (1) and auxiliary connection ring (3) respectively, described auxiliary
Help on the inside of connection ring (3) and be provided with least one groove (6), the fastening spring (4) is embedded in groove (6), described auxiliary
Connection ring (3) is helped to be arranged on by fastening spring (4) on high-tension testing apparatus, the main grading ring (1) is hollow ring structure.
2. spring as claimed in claim 1 presses formula grading ring, it is characterised in that：Be provided with auxiliary connection ring (3) with
The opening (5) that high-tension testing apparatus top is engaged, the groove (6) are located on the side of opening (5).
3. spring as claimed in claim 2 presses formula grading ring, it is characterised in that：It is provided with the side of the opening (5)
Two grooves (6) being arranged side by side, the cross section of the groove (6) is rectangular, and each groove (6) is embedded in a fastening spring
(4), the fastening spring (4) is ring spring, and the diameter of the fastening spring (4) is more than the depth of groove (6).
4. spring as claimed in claim 3 presses formula grading ring, it is characterised in that：The quantity of the connecting tube (2) is four,
Four connecting tubes (2) are evenly distributed between main grading ring (1) and auxiliary connection ring (3).
5. spring as claimed in claim 4 presses formula grading ring, it is characterised in that：The connecting tube (2) is hollow structure, institute
Welded respectively with main grading ring (1) and auxiliary connection ring (3) at connecting tube (2) both ends stated.
6. the spring as any one of claim 1-5 presses formula grading ring, it is characterised in that：The main grading ring (1)
Diameter be more than auxiliary connection ring (3) diameter.
7. the spring as any one of claim 1-5 presses formula grading ring, it is characterised in that：The auxiliary connection ring
(3) and main grading ring (1) vertical direction axis overlap, and main grading ring (1) positioned at auxiliary connection ring (3) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720507993.0U CN206920470U (en) | 2017-05-09 | 2017-05-09 | A kind of spring presses formula grading ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720507993.0U CN206920470U (en) | 2017-05-09 | 2017-05-09 | A kind of spring presses formula grading ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206920470U true CN206920470U (en) | 2018-01-23 |
Family
ID=61307505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720507993.0U Expired - Fee Related CN206920470U (en) | 2017-05-09 | 2017-05-09 | A kind of spring presses formula grading ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206920470U (en) |
-
2017
- 2017-05-09 CN CN201720507993.0U patent/CN206920470U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180123 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |