CN110045254A - A kind of multistation insulating bar segmented pressure test device - Google Patents
A kind of multistation insulating bar segmented pressure test device Download PDFInfo
- Publication number
- CN110045254A CN110045254A CN201910447235.8A CN201910447235A CN110045254A CN 110045254 A CN110045254 A CN 110045254A CN 201910447235 A CN201910447235 A CN 201910447235A CN 110045254 A CN110045254 A CN 110045254A
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- pedestal
- insulating bar
- multistation
- grading ring
- test platform
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- 238000012360 testing method Methods 0.000 title claims abstract description 91
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 54
- 230000001360 synchronised effect Effects 0.000 claims description 14
- 230000005611 electricity Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000006260 foam Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1263—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
Abstract
The present invention discloses a kind of multistation insulating bar segmented pressure test device, multiple grounding electrode seats are set on pedestal, utilize the fixed grading ring of the support rod of pedestal, grading ring is connect with high voltage power supply, test platform is set between pedestal and grading ring, multiple high-voltage output electrodes corresponding with multiple grounding electrode seats on pedestal are set on test platform, one leakage current collection device is set on each high-voltage output electrode, each high-voltage output electrode is corresponding with a grounding electrode seat, it will be electrically connected between test platform and the grading ring by high-voltage line, multiple insulating bars to be measured can be installed simultaneously, test platform is driven to move downward by lifting device, realize segmented pressure test or the voltage-withstand test of different length of insulating bar, the test of each insulating bar to be measured is acquired by each leakage current collection device Data, present apparatus structure is simple, can measure multiple insulating bars to be measured simultaneously, and can be realized the measurement of different height insulating bar.
Description
Technical field
The invention belongs to electric device maintenance field more particularly to a kind of multistation insulating bar segmented pressure test devices.
Background technique
Insulating bar is the managing security tools and instruments of power system operation and maintenance indispensability, according to DL/T1746-2015 " electric power safety
Work tool preventive trial regulation " regulation, insulating bar every 1 year is the period, need to do preventative examination by test method in above-mentioned regulation
It tests, to detect the validity of its safety.Industrial frequency withstand voltage detection when, need to by prescribed requirement be arranged two pressure electrodes between away from
From.Since insulating bar belongs to largely using tool, annual detection limit is very big, and existing insulating bar test equipment passes through
In the fixed pressure electrode in insulating bar both ends, the length of the voltage-withstand test if necessary to change insulating bar must be in each insulating bar
On retighten pressure electrode, inefficiency is not able to satisfy the voltage-withstand test to a large amount of insulating bars.
Summary of the invention
In order to solve the above problem, the present invention proposes multistation insulating bar segmented pressure test device, can be disposably to a large amount of
Insulating bar carries out the voltage-withstand test of segmented pressure test or different length.
In order to achieve the above object, the present invention is resolved using following technical scheme.
A kind of multistation insulating bar segmented pressure test device, including pedestal and test platform are provided on pedestal multiple
Grounding electrode seat is vertically arranged with support rod on pedestal, and the upper end of support rod is provided with grading ring, grading ring and high voltage power supply phase
Connection；
The test platform is mounted between pedestal and grading ring by lifting device, be provided on test platform it is multiple with
The corresponding high-voltage output electrode of multiple grounding electrode seats on pedestal, each high-voltage output electrode are equipped with a leakage current and adopt
Acquisition means are electrically connected between test platform and the grading ring；
Pedestal is equipped with the earth brace hinged with pedestal one end, and earth brace can be contacted with respect to base rotation with grading ring.
Further, it is provided on grounding electrode seat and encircles folder for accommodate insulating bar to be measured.
Further, it encircles folder and insulating bar to be measured contact side is provided with electric foam.
Further, folder is encircled using two symmetrically arranged supporting rods, the both ends of supporting rod are rotatably installed on pedestal,
Supporting rod and base rotation junction are equipped with torsional spring.
Further, oscillating control device is provided between the lower end of the earth brace and the pedestal.
Further, oscillating control device connecting rod and oscillating motor are connected with crank on the main shaft of oscillating motor, crank
End and one end of connecting rod are hinged, and the other end of connecting rod is hinged on earth brace.
Further, lifting device includes the lead screw being vertically installed on pedestal, the both ends of lead screw respectively with pedestal and
Pressure ring rotation connection, pedestal are equipped with the driving motor for driving lead screw to rotate, and test platform and threads of lead screw cooperation are driven.
Further, it is set on pedestal there are two lead screw disposed in parallel, two lead screws are threadedly engaged biography with test platform
Dynamic, the lower end of two lead screws is equipped with a synchronous pulley, passes through Synchronous Transmission V belt translation between two synchronous pulleys.
Further, level frame is provided on grading ring, level frame is fixedly connected with the upper end of support rod, the upper end of lead screw
It is rotatably connected on level frame.
Further, length scale is indicated on support rod, pointer is provided on test platform, and pointer is directed toward on support rod
Length scale.
Compared with prior art, the invention has the following beneficial technical effects:
A kind of multistation insulating bar segmented pressure test device of the present invention passes through setting pedestal, test platform and earth brace；
Multiple grounding electrode seats are set on pedestal, are fixed with grading ring using the support rod of pedestal, by grading ring and high voltage power supply phase
Connection, is arranged test platform between pedestal and grading ring, and multiple multiple ground connection electricity on pedestal are arranged on test platform
The corresponding high-voltage output electrode of electrode seat, and a leakage current collection device is set on each high-voltage output electrode, it will be every
A high-voltage output electrode is corresponding with a grounding electrode seat, will pass through height between test platform and the grading ring
Crimping electrical connection, can install multiple insulating bars to be measured simultaneously, drive test platform to move downward by lifting device, Neng Goushi
The segmented pressure test of existing insulating bar or the voltage-withstand test of different length, by the acquisition of each leakage current collection device each to
The test data of insulating bar is surveyed, present apparatus structure is simple, and it is easy to use, multiple insulating bars to be measured, and energy can be measured simultaneously
Enough realize the measurement of different height insulating bar.
Before carrying out voltage-withstand test to insulating bar, first passes through oscillating control device and drive earth brace side oscillation inside, make to be grounded
The upper end of bar is in contact with grading ring, is then fixed on multiple insulating bars on grounding electrode seat vertically respectively, then pass through lifting
Device drives test platform to move downward, and the upper end of all insulating bars is made to connect with high-voltage output electrode corresponding on test platform
Touching, then make the upper end of earth brace far from grading ring, it is ensured that the balance of voltage between grounding electrode seat and high-voltage output electrode when installation,
Ensure to install safety, it is last to connect high-voltage electricity toward grading ring, it is monitored by the leakage current collection device on test platform every
Whether leakage current is had on a insulating bar, securely and reliably.
Further, folder is encircled in setting on grounding electrode seat, realizes the fixed peace of the insulating bar of different size and type
Dress presss from both sides to encircling after folder is powered to encircle and can hold the lower end of insulating bar tightly, contacts it well with ground connection motor cabinet.
Multistation insulating bar segmented pressure test device of the invention can disposably can test a large amount of insulating bars, with
The installation and removal of insulating bar are more convenient, can be adjusted at any time the voltage-withstand test length of insulating bar.
Further, the lifting that test platform is controlled by two lead screws and simultaneously, guarantees the stationarity of hoistable platform.
Further, length scale is indicated on the support rod, is provided with pointer on the test platform, is convenient for different height
The accurate adjusting of degree, facilitates experimenter to determine the voltage-withstand test length of insulating bar.
Detailed description of the invention
Fig. 1 is forward structure schematic diagram of the present invention；
Fig. 2 is the lateral structure schematic diagram of Fig. 1.
In figure: 1, pedestal；101, grounding electrode seat；102, folder is encircled；2, support rod；3, grading ring；301, level frame；4,
Test platform；401, high-voltage output electrode；5, earth brace；6, lead screw；7, driving motor；8, synchronous pulley；9, synchronous belt；
10, connecting rod；11, oscillating motor；12, pointer.
Specific embodiment
The invention will be described in further detail with reference to the accompanying drawing:
In order to be more clearly understood that the above objects, features and advantages of the present invention, with reference to the accompanying drawing and it is embodied
The present invention is further described in detail for mode.
With reference to Fig. 1 and Fig. 2, a kind of multistation insulating bar segmented pressure test device, including pedestal 1, test platform 4 and connect
The thin end of the scroll 5；It is provided with multiple grounding electrode seats 101 on the pedestal 1, support rod 2, support rod 2 are vertically arranged on the pedestal 1
Upper end be connected with grading ring 3, grading ring 3 is connected with high voltage power supply；The test platform 4 is arranged in pedestal 1 and grading ring 3
Between, pedestal 1 is equipped with the lifting device for controlling the lifting of test platform 4, is provided with multiple and bottom on the test platform 4
The corresponding high-voltage output electrode 401 of multiple grounding electrode seats 101 on seat 1, each high-voltage output electrode 401 are equipped with one and let out
Leakage current acquisition device, each high-voltage output electrode 401 are corresponding with a grounding electrode seat 101, the test platform 4 with
It is electrically connected between pressure ring 3 by high-voltage line；The lower end of earth brace 5 is hinged on one end of pedestal 1, and the upper end of earth brace 5 can be with
The outer side contacts of grading ring 3 are provided with pendulous device between the lower end and pedestal 1 of earth brace 5.It is set on the grounding electrode seat 101
It is equipped with and encircles folder 102, the inside for encircling folder 102 is provided with electric foam.
In the embodiment above, pedestal 1, test platform 4 in a rectangular parallelepiped shape, the both ends of test platform 4 along its length
It is connect with lifting device, multiple grounding electrode seats 101 are symmetricly set on the two sides of pedestal 1, corresponding, multiple high-voltage output electrodes
401 are symmetricly set on the two sides of test platform 4.Before carrying out voltage-withstand test to insulating bar, first passes through oscillating control device drive and connect
The side oscillation inside of the thin end of the scroll 5, makes the upper end of earth brace 5 be in contact with grading ring 3, is then fixed on multiple insulating bars vertically respectively
On grounding electrode seat 101, then by lifting device drive test platform 4 move downward, make upper end and the test of all insulating bars
Corresponding high-voltage output electrode 401 is in contact on platform 4, then makes the upper end of earth brace 5 far from grading ring 3, last toward grading ring 3
High-voltage electricity is connected, whether monitored on each insulating bar by the leakage current collection device on test platform 4 has leakage current,
Judge whether insulating bar is qualified.Since test platform 4 can move up and down, can also to insulating bar carry out segmented pressure test or
The voltage-withstand test of different length.For guarantee test personnel safety, in addition a reality mutually separated with the test device can be set
Console is tested, test data can be transmitted in the experiment control platform by leakage current collection device by infrared signal.Difference rule
The thickness of lattice and the insulating bar of type is different, in order to make lower end by insulating bar and the grounding electrode seat of different size and type
101 contacts are close, can be arranged on grounding electrode seat 101 and encircle folder 102, encircle the insulating bar that folder 102 is suitable for different thicknesses,
Folder is encircled after folder 102 is powered 102 the lower end of insulating bar can be held, contact it well with motor cabinet is grounded to encircling.This hair
Bright multistation insulating bar segmented pressure test device can disposably can test a large amount of insulating bars, the installation with insulating bar
It is more convenient with dismantling, it can be adjusted at any time the voltage-withstand test length of insulating bar.
With reference to Fig. 1, according to one embodiment of present invention, the lifting device includes: two lead screws 6 and a driving electricity
Machine 7, two lead screws 6 distinguish rolling assemblings between the pedestal 1 and the grading ring 3, the test platform 4 and two
The lead screw 6 is threadedly engaged, and the lower end of each lead screw 6 is respectively arranged with synchronous pulley 8, two synchronous pulleys 8 it
Between be cased with synchronous belt 9, the main shaft of the driving motor 7 is connected with the lower end of lead screw 6 described in one of them, passes through two
Screw synchronous transmission, goes up and down test platform steadily.
In the embodiment above, driving motor 7 can directly drive a lead screw 6 to rotate by main shaft after being powered, due to two
A lead screw 6 is sequentially connected by synchronous pulley 8 and synchronous belt 9, so another lead screw 6 can also rotate in same direction simultaneously,
When two 6 original places of lead screw rotate synchronously, screw thread of the test platform 4 being threadedly engaged simultaneously with two lead screws 6 on lead screw 6
It is risen or fallen along vertical direction under drive, the vertical height of test platform 4 is adjusted with this.
With reference to Fig. 1 and Fig. 2, according to one embodiment of present invention, level frame 301 is provided on the grading ring 3, it is described
Level frame 301 is fixedly connected with the upper end of the support rod 2, and the top axial of the lead screw 6 is rotatably connected on the level frame
On 301.
In the embodiment above, level frame 301 is fixedly connected on the inside of grading ring 3, the upper end of support rod 2 and level frame
301 are fixedly connected, and bearing is provided between the upper end and level frame 301 of lead screw 6, and lead screw 6 can 301 pirouette of relative level frame
It is dynamic.
With reference to Fig. 1, according to one embodiment of present invention, the oscillating control device includes: connecting rod 10 and a swing
Motor 11 is connected with crank on the main shaft of the oscillating motor 11, and the end of the crank and one end of the connecting rod 10 are hinged,
The other end of the connecting rod 10 is hinged on the earth brace 5, and motor is swingable when being not powered on, and earth brace 5 exists
It is tilted outward in the case of self gravity, the crank connected on electric machine main shaft is connected by connecting rod 10 with earth brace 5, makes to be grounded
The upper end of bar 5 is in state that is hanging and separating with 3 phase of grading ring, and after motor connects electricity, motor passes through 10 band of crank and connecting rod
The dynamic side oscillation inside of earth brace 5, makes the upper end of earth brace 5 be in contact with grading ring 3, is directly grounded grading ring 3.
With reference to Fig. 1, according to one embodiment of present invention, length scale, the test platform are indicated on the support rod 2
Pointer 12 is provided on 4.
In the embodiment above, when test platform 4 moves under the drive of lifting device again along lead screw 6, pointer 12 is indicated
At the length scale on support rod 2, experimenter is facilitated to determine the voltage-withstand test length of insulating bar.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of multistation insulating bar segmented pressure test device, which is characterized in that including pedestal (1) and test platform (4), bottom
Multiple grounding electrode seats (101) are provided on seat (1), are vertically arranged with support rod (2) on pedestal (1), the upper end of support rod (2)
It is provided with grading ring (3), grading ring (3) is connected with high voltage power supply；
The test platform (4) is mounted between pedestal (1) and grading ring (3) by lifting device, and test platform is arranged on (4)
There are multiple high-voltage output electrodes (401) corresponding on pedestal (1) multiple grounding electrode seat (101), each High voltage output electricity
Pole (401) is equipped with a leakage current collection device, is electrically connected between test platform (4) and the grading ring (3)；
Pedestal (1) is equipped with the earth brace (5) hinged with pedestal (1) one end, earth brace (5) can opposite pedestal (1) rotation and
Grading ring (3) contact.
2. multistation insulating bar segmented pressure test device according to claim 1, which is characterized in that grounding electrode seat
(101) it is provided on and encircles folder (102) for accommodate insulating bar to be measured.
3. multistation insulating bar segmented pressure test device according to claim 2, which is characterized in that encircle folder (102)
Insulating bar to be measured contact side is provided with electric foam.
4. multistation insulating bar segmented pressure test device according to claim 2 or 3, which is characterized in that encircle folder
(102) two symmetrically arranged supporting rods are used, the both ends of supporting rod are rotatably installed on pedestal (1), supporting rod and pedestal (1)
Torsional spring is equipped at rotation connection.
5. multistation insulating bar segmented pressure test device according to claim 1, which is characterized in that the earth brace
(5) oscillating control device is provided between lower end and the pedestal (1).
6. multistation insulating bar segmented pressure test device according to claim 5, which is characterized in that oscillating control device
Connecting rod (10) and oscillating motor (11), are connected with crank on the main shaft of oscillating motor (11), the end of crank and connecting rod (10)
One end is hinged, and the other end of connecting rod (10) is hinged on earth brace (5).
7. multistation insulating bar segmented pressure test device according to claim 1, which is characterized in that lifting device includes
The lead screw (6) being vertically installed on pedestal (1), the both ends of lead screw (6) are rotatablely connected with pedestal (1) and grading ring (3) respectively, bottom
Seat (1) is equipped with the driving motor (7) for driving lead screw (6) to rotate, and test platform (4) and lead screw (6) are threadedly engaged transmission.
8. multistation insulating bar segmented pressure test device according to claim 7, which is characterized in that pedestal is set on (1)
There are two lead screw disposed in parallel (6), two lead screws (6) are threadedly engaged transmission with test platform (4), two lead screws (6)
Lower end is equipped with a synchronous pulley (8), is driven between two synchronous pulleys (8) by synchronous belt (9).
9. multistation insulating bar segmented pressure test device according to claim 7, which is characterized in that on grading ring (3)
It is provided with level frame (301), level frame (301) is fixedly connected with the upper end of support rod (2), the upper end rotation connection of lead screw (6)
On level frame (301).
10. multistation insulating bar segmented pressure test device according to claim 1, which is characterized in that on support rod (2)
Length scale is indicated, is provided on test platform (4) pointer (12), pointer (12) is directed toward the length scale on support rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910447235.8A CN110045254A (en) | 2019-05-27 | 2019-05-27 | A kind of multistation insulating bar segmented pressure test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910447235.8A CN110045254A (en) | 2019-05-27 | 2019-05-27 | A kind of multistation insulating bar segmented pressure test device |
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| Publication Number | Publication Date |
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| CN110045254A true CN110045254A (en) | 2019-07-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910447235.8A Pending CN110045254A (en) | 2019-05-27 | 2019-05-27 | A kind of multistation insulating bar segmented pressure test device |
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| CN (1) | CN110045254A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110716114A (en) * | 2019-11-28 | 2020-01-21 | 国网河北省电力有限公司沧州供电分公司 | Insulating rod withstand voltage test appurtenance |
| CN110907877A (en) * | 2019-11-13 | 2020-03-24 | 宁波荣集锦科技有限公司 | Current transformer production detection device |
| CN111856093A (en) * | 2020-06-11 | 2020-10-30 | 中国电力科学研究院有限公司 | Pendulum type grounding rod design method and system for eliminating space electric field measurement accumulated charges |
| CN112180167A (en) * | 2020-09-25 | 2021-01-05 | 广东电网有限责任公司 | Detection device and use method thereof |
| CN112946435A (en) * | 2021-02-02 | 2021-06-11 | 湖北清江水电开发有限责任公司 | Insulating rod voltage-withstanding detection device and method |
| CN113253080A (en) * | 2021-07-08 | 2021-08-13 | 广东电网有限责任公司东莞供电局 | Multi-station insulation rod subsection voltage-withstanding testing device |
| CN113295891A (en) * | 2021-04-15 | 2021-08-24 | 国网湖北省电力有限公司十堰供电公司 | Many insulator spindle withstand voltage test supports of electrodynamic type |
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| CN110907877A (en) * | 2019-11-13 | 2020-03-24 | 宁波荣集锦科技有限公司 | Current transformer production detection device |
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| CN111856093A (en) * | 2020-06-11 | 2020-10-30 | 中国电力科学研究院有限公司 | Pendulum type grounding rod design method and system for eliminating space electric field measurement accumulated charges |
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| CN112946435A (en) * | 2021-02-02 | 2021-06-11 | 湖北清江水电开发有限责任公司 | Insulating rod voltage-withstanding detection device and method |
| CN113295891A (en) * | 2021-04-15 | 2021-08-24 | 国网湖北省电力有限公司十堰供电公司 | Many insulator spindle withstand voltage test supports of electrodynamic type |
| CN113253080A (en) * | 2021-07-08 | 2021-08-13 | 广东电网有限责任公司东莞供电局 | Multi-station insulation rod subsection voltage-withstanding testing device |
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