CN105486587A - Basin-type insulator hydrostatic test tool and test cylinder thereof - Google Patents
Basin-type insulator hydrostatic test tool and test cylinder thereof Download PDFInfo
- Publication number
- CN105486587A CN105486587A CN201510798924.5A CN201510798924A CN105486587A CN 105486587 A CN105486587 A CN 105486587A CN 201510798924 A CN201510798924 A CN 201510798924A CN 105486587 A CN105486587 A CN 105486587A
- Authority
- CN
- China
- Prior art keywords
- contact
- land surface
- outer land
- insulator
- flange
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to a basin-type insulator hydrostatic test tool and a test cylinder thereof. The basin-type insulator hydrostatic test tool comprises the test cylinder, the test cylinder comprises a cylinder body and an installation flange arranged on the cylinder body, the upper end face of the installation flange comprises an inner annular bench contact surface in contact fit with an inner annular bench of the insulator flange and an outer annular bench contact surface in contact fit with an outer annular bench of the insulator flange, the outer annular bench contact surface is at the outer side of the inner annular bench contact surface, and the height of the outer annular bench contact surface is lower than that of the inner annular bench contact surface. The technical scheme solves the problems that an insulator flange of a basin-type insulator in the prior art is easy to crack during hydraulic test.
Description
Technical field
The present invention relates to a kind of disc insulator hydraulic pressure test fixture and test barrel thereof.
Background technology
In order to ensure the bearing capacity of disc insulator, before disc insulator dispatches from the factory, need to carry out the hydraulic testing by disc insulator hydraulic pressure test fixture to disc insulator.Existing disc insulator hydraulic pressure test fixture is as shown in Figure 1 and 2: comprise test barrel, test barrel comprises the cylindrical shell 3 that axis extends along the vertical direction, the upper end of cylindrical shell is provided with the mounting flange 2 for coordinating with the insulator flange on disc insulator, the upper surface of mounting flange is a plane, disc insulator also comprises the cover plate 1 be bolted on mounting flange, during test, disc insulator 4 is clamped and fixed between mounting flange and cover plate, the insulator flange 5 of disc insulator is provided with interior land 7, outer land 6, in, outer land surrounds O-ring seal mounting groove 9, in O-ring seal mounting groove, O-ring seal is set.Water pressure generation in test barrel, to test the anti-pressure ability of disc insulator, and there is allowing in test the elusive problem of staff, the design resistance to compression of disc insulator is at more than 4MPa, at the trial, start about the pressure of 2.8MPa, just there is cracking phenomena in disc insulator, this point does not also meet design logic, cracking part all occurs in insulator flange place simultaneously, it is inconsistent that this also follows the expection of disc insulator to destroy position, the cracking at insulator flange place causes the disc insulator of cost intensive to damage, heavy losses are caused to enterprise, simultaneously also with wrong test figure, test is early stage, staff thinks it is that the design pressure of insulator flange is inadequate, custom just adds the physical dimension at this place, after this place's size of increase, the problem that insulator flange is easily destroyed still is there is during test, staff be this to the Change In Design of disc insulator repeatedly, result is not very good.Frock personnel find afterwards, and the height of outer land is higher than the height of interior land, and the upper surface of mounting flange only can contact with outer land, only has this place of outer land stressed like this, and this may be cause insulation in flange basic reason easy to crack.
Summary of the invention
The object of the present invention is to provide a kind of disc insulator hydraulic pressure test fixture, the problem that during to solve the prior art hydraulic testing, the insulator flange of disc insulator is easy to crack; The present invention also aims to provide the test barrel used in this disc insulator hydraulic pressure test fixture a kind of.
In order to solve the problem, in the present invention, the technical scheme of test barrel is:
The test barrel of disc insulator hydraulic pressure test fixture, comprise cylindrical shell and be arranged at the mounting flange on cylindrical shell, the upper surface of mounting flange comprise for on insulator flange in land contact coordinate in land surface of contact with for contacting the outer land surface of contact coordinated with the outer land on insulator flange, outer land surface of contact is positioned at the outside of land surface of contact, and the height of outer land surface of contact is lower than the height of described interior land surface of contact.
Outer land surface of contact is connected by the transition of evagination circular arc chamfering with interior land surface of contact.
The upper surface of mounting flange also comprises the connection plane be positioned at outside outer land surface of contact, connection plane is provided with the bolt penetration hole that axis extends along the vertical direction, connects the height of height higher than described outer land surface of contact of plane.
Connect plane to be connected with the transition of outer land surface of contact by ramp down angle.
In the present invention, the technical scheme of disc insulator hydraulic pressure test fixture is:
Disc insulator hydraulic pressure test fixture, comprise test barrel, test barrel comprises cylindrical shell and is arranged at the mounting flange on cylindrical shell, the upper surface of mounting flange comprise for on insulator flange in land contact coordinate in land surface of contact with for contacting the outer land surface of contact coordinated with the outer land on insulator flange, outer land surface of contact is positioned at the outside of land surface of contact, and the height of outer land surface of contact is lower than the height of described interior land surface of contact.
Outer land surface of contact is connected by the transition of evagination circular arc chamfering with interior land surface of contact.
Disc insulator hydraulic pressure test fixture also comprises cover plate, the upper surface of mounting flange also comprises the connection plane for connecting described cover plate be positioned at outside outer land surface of contact, connection plane is provided with the bolt penetration hole that axis extends along the vertical direction, connects the height of height higher than described outer land surface of contact of plane.
Connect plane to be connected with the transition of outer land surface of contact by ramp down angle.
Beneficial effect of the present invention is: in the present invention, the upper surface of mounting flange comprises the interior land surface of contact of inside and outside setting and outer land surface of contact, during test, interior land surface of contact contacts with interior land and coordinates, outer land surface of contact contacts with outer land and coordinates, in, outer land is jointly stressed, after this improvement, carry out test of many times, do not have the situation from insulator flange cracking occurs, hydraulic pressure destruction value is not lower than 4.0MPa, the stability of test significantly improves, not only bring correct test figure to disc insulator, also for producer saves a large amount of costs.
Accompanying drawing explanation
Fig. 1 is the structural representation of disc insulator hydraulic pressure test fixture in background technology of the present invention;
Fig. 2 be inside and outside land and the mounting flange of disc insulator in background technology coordinate schematic diagram;
The structural representation of the test barrel in an embodiment of Fig. 3 disc insulator hydraulic pressure test fixture of the present invention;
Fig. 4 is the A place enlarged drawing in Fig. 3.
Embodiment
The embodiment of disc insulator hydraulic pressure test fixture is as shown in Fig. 3 ~ 4: comprise test barrel and cover plate (not shown), test barrel comprises cylindrical shell 3 and is arranged at the mounting flange 2 on cylindrical shell, the upper surface of mounting flange 2 comprise for on insulator flange in land contact coordinate in land surface of contact 211, for contacting the outer land surface of contact 212 that coordinates and the connection plane 213 for connecting cover plate with the outer land on insulator flange, interior land surface of contact, outer land surface of contact be connected plane and set gradually from the inside to the outside, interior land surface of contact, the height connecting plane unanimously namely in land surface of contact be connected planes align and arrange, outer land surface of contact lower than interior land surface of contact be connected plane, adding man-hour, only just can need simply mold connection plane in a upper surface mill off part for mounting flange, outer land surface of contact and interior land surface of contact, outer land surface of contact is connected by evagination circular arc chamfering 9 transition with interior land surface of contact, connect plane to be connected with the transition of outer land surface of contact by ramp down angle 10.Connection plane 213 being provided with the bolt penetration hole 8 that axis extends along the vertical direction, by installing bolt in bolt penetration hole, cover plate being fixed on mounting flange 2.
During test, disc insulator is sandwiched and fixed between mounting flange and end cap, interior land surface of contact on mounting flange contacts with the interior land on disc insulator and coordinates, outer land surface of contact on mounting flange contacts with the outer land on disc insulator and coordinates, when carrying out the hydraulic testing, in, outer land is simultaneously stressed, thus ensure when high pressure, can not ftracture from insulator flange, frock after improvement carries out multiple disc insulator test, do not have the situation from insulator flange cracking occurs, hydraulic pressure destruction value is not lower than 4.0MPa, meet disc insulator test pressure, stability and the mean value of test all have and significantly improve.
In other embodiments of the invention: the height of the height and interior land surface of contact that connect plane also can be inconsistent.
The embodiment of test barrel is as shown in Fig. 3 ~ 4: the concrete structure of test barrel is identical with the test barrel described in above-mentioned each disc insulator hydraulic pressure test fixture embodiment, is not described in detail in this.
Claims (8)
1. the test barrel of disc insulator hydraulic pressure test fixture, comprise cylindrical shell and be arranged at the mounting flange on cylindrical shell, it is characterized in that: the upper surface of mounting flange comprise for on insulator flange in land contact coordinate in land surface of contact with for contacting the outer land surface of contact coordinated with the outer land on insulator flange, outer land surface of contact is positioned at the outside of land surface of contact, and the height of outer land surface of contact is lower than the height of described interior land surface of contact.
2. test barrel according to claim 1, is characterized in that: outer land surface of contact is connected by the transition of evagination circular arc chamfering with interior land surface of contact.
3. test barrel according to claim 1 and 2, it is characterized in that: the upper surface of mounting flange also comprises the connection plane be positioned at outside outer land surface of contact, connection plane is provided with the bolt penetration hole that axis extends along the vertical direction, connects the height of height higher than described outer land surface of contact of plane.
4. test barrel according to claim 3, is characterized in that: connect plane and be connected with the transition of outer land surface of contact by ramp down angle.
5. disc insulator hydraulic pressure test fixture, comprise test barrel, test barrel comprises cylindrical shell and is arranged at the mounting flange on cylindrical shell, it is characterized in that: the upper surface of mounting flange comprise for on insulator flange in land contact coordinate in land surface of contact with for contacting the outer land surface of contact coordinated with the outer land on insulator flange, outer land surface of contact is positioned at the outside of land surface of contact, and the height of outer land surface of contact is lower than the height of described interior land surface of contact.
6. disc insulator hydraulic pressure test fixture according to claim 5, is characterized in that: outer land surface of contact is connected by the transition of evagination circular arc chamfering with interior land surface of contact.
7. the disc insulator hydraulic pressure test fixture according to claim 5 or 6, it is characterized in that: disc insulator hydraulic pressure test fixture also comprises cover plate, the upper surface of mounting flange also comprises the connection plane for connecting described cover plate be positioned at outside outer land surface of contact, connection plane is provided with the bolt penetration hole that axis extends along the vertical direction, connects the height of height higher than described outer land surface of contact of plane.
8. disc insulator hydraulic pressure test fixture according to claim 7, is characterized in that: connect plane and be connected with the transition of outer land surface of contact by ramp down angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510798924.5A CN105486587A (en) | 2015-11-18 | 2015-11-18 | Basin-type insulator hydrostatic test tool and test cylinder thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510798924.5A CN105486587A (en) | 2015-11-18 | 2015-11-18 | Basin-type insulator hydrostatic test tool and test cylinder thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105486587A true CN105486587A (en) | 2016-04-13 |
Family
ID=55673713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510798924.5A Pending CN105486587A (en) | 2015-11-18 | 2015-11-18 | Basin-type insulator hydrostatic test tool and test cylinder thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105486587A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106707124A (en) * | 2017-01-03 | 2017-05-24 | 河南省高压电器研究所 | Insulator test tool and test equipment |
| CN110806293A (en) * | 2018-08-02 | 2020-02-18 | 平高集团有限公司 | Insulator bearing capacity test tool |
| CN112629761A (en) * | 2021-02-08 | 2021-04-09 | 山西江淮重工有限责任公司 | High-voltage safety testing device and high-voltage safety testing method |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03272518A (en) * | 1990-03-20 | 1991-12-04 | Ngk Insulators Ltd | Supporting insulator |
| JPH09133603A (en) * | 1995-11-09 | 1997-05-20 | Ngk Insulators Ltd | Method and apparatus for inspection of airtightness of composite insulating tube |
| CN2734875Y (en) * | 2003-01-24 | 2005-10-19 | 柳州欧维姆机械股份有限公司 | Anchor clamping piece |
| CN201315197Y (en) * | 2008-11-29 | 2009-09-23 | 河南省电力公司济源供电公司 | Guy insulator |
| CN102290163A (en) * | 2010-06-18 | 2011-12-21 | 江苏神马电力股份有限公司 | Hollow composite insulator |
| CN102290166A (en) * | 2010-06-18 | 2011-12-21 | 江苏神马电力股份有限公司 | Hollow composite insulator |
| CN102842394A (en) * | 2012-08-22 | 2012-12-26 | 河南平高电气股份有限公司 | Pot-type insulator |
| CN103196485A (en) * | 2013-04-29 | 2013-07-10 | 中发输配电设备（平湖）有限公司 | Insulator hydraulic pressure test device |
| CN103196640A (en) * | 2013-04-29 | 2013-07-10 | 中发输配电设备（平湖）有限公司 | Insulator tightness detection tool |
| CN103234707A (en) * | 2013-04-29 | 2013-08-07 | 中发输配电设备（平湖）有限公司 | Insulator air-water inspection device |
| CN103292962A (en) * | 2013-05-25 | 2013-09-11 | 中发输配电设备（平湖）有限公司 | Three-phase basin-type insulator assembly device |
| CN203275202U (en) * | 2013-04-16 | 2013-11-06 | 山东泰开电器绝缘有限公司 | Tool for detecting water pressure of blind-hole basin-type insulator |
| CN203383401U (en) * | 2013-07-04 | 2014-01-08 | 厦门特房建设工程集团有限公司 | Clamping anchor for carbon-fiber composite material bar |
| CN203479615U (en) * | 2013-08-29 | 2014-03-12 | 南京理工大学 | Specimen fixture of viscous-elastic material fatigue damage test |
| CN203745154U (en) * | 2014-03-25 | 2014-07-30 | 中信戴卡股份有限公司 | Vehicle wheel airtightness detection machine |
| CN104034490A (en) * | 2014-06-25 | 2014-09-10 | 中发输配电设备（平湖）有限公司 | Insulator water-pressure tightness test device |
| CN204027774U (en) * | 2014-06-25 | 2014-12-17 | 中发输配电设备（平湖）有限公司 | Three-phase basin shape insulator tightness test frock |
| CN205262867U (en) * | 2015-11-18 | 2016-05-25 | 河南平高电气股份有限公司 | Benzvalene form insulator hydrostatic test frock and a test section of thick bamboo thereof |
-
2015
- 2015-11-18 CN CN201510798924.5A patent/CN105486587A/en active Pending
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03272518A (en) * | 1990-03-20 | 1991-12-04 | Ngk Insulators Ltd | Supporting insulator |
| JPH09133603A (en) * | 1995-11-09 | 1997-05-20 | Ngk Insulators Ltd | Method and apparatus for inspection of airtightness of composite insulating tube |
| CN2734875Y (en) * | 2003-01-24 | 2005-10-19 | 柳州欧维姆机械股份有限公司 | Anchor clamping piece |
| CN201315197Y (en) * | 2008-11-29 | 2009-09-23 | 河南省电力公司济源供电公司 | Guy insulator |
| CN102290163A (en) * | 2010-06-18 | 2011-12-21 | 江苏神马电力股份有限公司 | Hollow composite insulator |
| CN102290166A (en) * | 2010-06-18 | 2011-12-21 | 江苏神马电力股份有限公司 | Hollow composite insulator |
| CN102842394A (en) * | 2012-08-22 | 2012-12-26 | 河南平高电气股份有限公司 | Pot-type insulator |
| CN203275202U (en) * | 2013-04-16 | 2013-11-06 | 山东泰开电器绝缘有限公司 | Tool for detecting water pressure of blind-hole basin-type insulator |
| CN103196640A (en) * | 2013-04-29 | 2013-07-10 | 中发输配电设备（平湖）有限公司 | Insulator tightness detection tool |
| CN103234707A (en) * | 2013-04-29 | 2013-08-07 | 中发输配电设备（平湖）有限公司 | Insulator air-water inspection device |
| CN103196485A (en) * | 2013-04-29 | 2013-07-10 | 中发输配电设备（平湖）有限公司 | Insulator hydraulic pressure test device |
| CN103292962A (en) * | 2013-05-25 | 2013-09-11 | 中发输配电设备（平湖）有限公司 | Three-phase basin-type insulator assembly device |
| CN203383401U (en) * | 2013-07-04 | 2014-01-08 | 厦门特房建设工程集团有限公司 | Clamping anchor for carbon-fiber composite material bar |
| CN203479615U (en) * | 2013-08-29 | 2014-03-12 | 南京理工大学 | Specimen fixture of viscous-elastic material fatigue damage test |
| CN203745154U (en) * | 2014-03-25 | 2014-07-30 | 中信戴卡股份有限公司 | Vehicle wheel airtightness detection machine |
| CN104034490A (en) * | 2014-06-25 | 2014-09-10 | 中发输配电设备（平湖）有限公司 | Insulator water-pressure tightness test device |
| CN204027774U (en) * | 2014-06-25 | 2014-12-17 | 中发输配电设备（平湖）有限公司 | Three-phase basin shape insulator tightness test frock |
| CN205262867U (en) * | 2015-11-18 | 2016-05-25 | 河南平高电气股份有限公司 | Benzvalene form insulator hydrostatic test frock and a test section of thick bamboo thereof |
Non-Patent Citations (1)
| Title |
|---|
| 吴应坚: "盘形悬式绝缘子内水压试验装置的研制", 《电磁避雷器》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106707124A (en) * | 2017-01-03 | 2017-05-24 | 河南省高压电器研究所 | Insulator test tool and test equipment |
| CN110806293A (en) * | 2018-08-02 | 2020-02-18 | 平高集团有限公司 | Insulator bearing capacity test tool |
| CN112629761A (en) * | 2021-02-08 | 2021-04-09 | 山西江淮重工有限责任公司 | High-voltage safety testing device and high-voltage safety testing method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107139128B (en) | Method for replacing tool by adopting normal pressure tool changing device of shield machine to seal and replace tool | |
| CN203500654U (en) | Seabed hydraulic claw type connector | |
| CN104015089A (en) | Clamp for automatically clamping and positioning flange | |
| CN105486587A (en) | Basin-type insulator hydrostatic test tool and test cylinder thereof | |
| CN204731108U (en) | A kind of steel pipe hydraulic pressure testing device | |
| CN107701834B (en) | A kind of sealing force adjustable water lower flange | |
| CN209860526U (en) | Cable sealing junction box device | |
| CN205262867U (en) | Benzvalene form insulator hydrostatic test frock and a test section of thick bamboo thereof | |
| CN105857963A (en) | Outwards-expanding ethylene glycol antimony storage device | |
| CN105048142A (en) | Sectional type boss-interference transformer terminal with high connection reliability | |
| CN209166714U (en) | Positioning tool and pilot system for the test of master cylinder sealing detection | |
| CN204515155U (en) | A kind of vibroseis tup coupling arrangement | |
| CN104338862B (en) | Inner liner stainless steel compound pipe molding suppresses equipment and method of operating thereof | |
| CN216228777U (en) | Bearing ring internal expanding tool | |
| CN104132783A (en) | Water pressure testing tool fast to disassemble or assemble | |
| CN210422547U (en) | Wellhead valve is pressed and is changed and secondary seal device | |
| CN202985415U (en) | Worktable for fixing platy objects | |
| CN217234810U (en) | Easy-to-detach movable elbow for oilfield fracturing | |
| CN207395989U (en) | A kind of flange valve sealing test device | |
| CN110333057A (en) | A kind of deep well submerged electric pump motor water pressure test tank | |
| CN2809399Y (en) | Insulating joint | |
| CN203256759U (en) | Crane cylinder tower body pre-installing basic tool | |
| CN109323064A (en) | Fast connecting device of pipelines is used in a kind of processing of new energy | |
| CN104034594A (en) | Water-pressure airtight experimental device for especially-changed insulators | |
| CN108169026B (en) | A inspection frock for high-pressure vessel hydraulic pressure test |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: No. 22, South Ring Road, Pingdingshan, Henan, Henan Applicant after: Pinggao Electric Co., Ltd., Henan Applicant after: Pinggao Group Co., Ltd. Applicant after: State Grid Corporation of China Address before: No. 22, South Ring Road, Pingdingshan, Henan, Henan Applicant before: Pinggao Electric Co., Ltd., Henan Applicant before: Pinggao Group Co., Ltd. Applicant before: State Grid Corporation of China |
|
| CB02 | Change of applicant information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160413 |
|
| RJ01 | Rejection of invention patent application after publication |