CN210109249U - Multi-station insulating rod voltage-withstanding testing device - Google Patents
Multi-station insulating rod voltage-withstanding testing device Download PDFInfo
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- CN210109249U CN210109249U CN201920776744.0U CN201920776744U CN210109249U CN 210109249 U CN210109249 U CN 210109249U CN 201920776744 U CN201920776744 U CN 201920776744U CN 210109249 U CN210109249 U CN 210109249U
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- grading ring
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- 238000012360 testing method Methods 0.000 title claims abstract description 93
- 239000012212 insulator Substances 0.000 claims abstract description 32
- 230000001360 synchronised effect Effects 0.000 claims description 14
- 238000009413 insulation Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 9
- 239000006260 foam Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000003028 elevating effect Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- 230000003449 preventive effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Abstract
The utility model discloses a multistation insulator spindle withstand voltage testing device, a plurality of grounding electrode seats are arranged on a base, a grading ring is fixed by utilizing a supporting rod of the base, the grading ring is connected with a high-voltage power supply, a testing platform is arranged between the base and the grading ring, a plurality of high-voltage output electrodes corresponding to the plurality of grounding electrode seats on the base are arranged on the testing platform, a leakage current collecting device is arranged on each high-voltage output electrode, each high-voltage output electrode corresponds to one grounding electrode seat, the testing platform is electrically connected with the grading ring through a high-voltage wire, a plurality of insulator spindles to be tested can be simultaneously installed, the testing platform is driven to move downwards by a lifting device, the segmented withstand voltage test or the withstand voltage test with different lengths of the insulator spindle is realized, the test data of each insulator spindle to be tested is collected by each leakage current collecting device, the device is simple in structure, can simultaneously measure a plurality of insulating rods to be measured, and can realize measurement of the insulating rods with different heights.
Description
Technical Field
The utility model belongs to power equipment detection area especially relates to a multistation insulator spindle withstand voltage test device.
Background
The insulating rod is a safety tool necessary for operation and maintenance of a power system, and according to the specification of DL/T1746-2015 'preventive test regulations for electric safety tools', the insulating rod needs to be subjected to preventive tests according to the test method in the specification by taking the insulating rod as a period every 1 year so as to detect the safety effectiveness. During power frequency withstand voltage detection, the distance between the two pressurizing electrodes needs to be set according to the specified requirement. Because the insulator spindle belongs to a large amount of use tools, the detection volume once a year is very large, and current insulator spindle test equipment is through fixing the pressurization electrode at the insulator spindle both ends, if the withstand voltage test's of insulator spindle length needs to be changed, just must fix the pressurization electrode again on every insulator spindle, and is inefficient, can not satisfy the withstand voltage test to a large amount of insulator spindles.
SUMMERY OF THE UTILITY MODEL
For solving the above problem, the utility model provides a withstand voltage testing device of multistation insulator spindle can once only carry out the withstand voltage test of segmentation withstand voltage test or different length to a large amount of insulator spindles.
In order to achieve the above purpose, the present invention adopts the following technical solution.
A multi-station insulating rod voltage withstand testing device comprises a base and a testing platform, wherein a plurality of grounding electrode seats are arranged on the base, a supporting rod is vertically arranged on the base, and an equalizing ring is arranged at the upper end of the supporting rod and is connected with a high-voltage power supply;
the test platform is arranged between the base and the grading ring through the lifting device, a plurality of high-voltage output electrodes corresponding to a plurality of grounding electrode seats on the base are arranged on the test platform, a leakage current collecting device is arranged on each high-voltage output electrode, and the test platform is electrically connected with the grading ring;
be equipped with on the base with base one end articulated earth bar, the earth bar can rotate and the equalizer ring contact relatively the base.
Furthermore, an encircling clamp for clamping the insulating rod to be tested is arranged on the grounding electrode seat.
Furthermore, the side, contacting the insulating rod to be tested, of the encircling clamp is provided with a foam.
Furthermore, the encircling clamp adopts two symmetrically arranged clamping rods, the two ends of each clamping rod are rotatably installed on the base, and torsional springs are arranged at the rotating connection positions of the clamping rods and the base.
Furthermore, a swing control device is arranged between the lower end of the grounding rod and the base.
Furthermore, a main shaft of the swing motor is connected with a crank, the end part of the crank is hinged with one end of the connecting rod, and the other end of the connecting rod is hinged on the grounding rod.
Furthermore, elevating gear is including setting up the lead screw on the base perpendicularly, and the both ends of lead screw rotate with base and equalizer ring respectively to be connected, are equipped with on the base to be used for driving lead screw pivoted driving motor, and test platform and lead screw thread fit transmission.
Further, be equipped with two parallel arrangement's lead screw on the base, two lead screws all with test platform screw-thread fit transmission, the lower extreme of two lead screws all is equipped with a synchronous pulley, through synchronous drive belt transmission between two synchronous pulleys.
Furthermore, a horizontal frame is arranged on the grading ring, the horizontal frame is fixedly connected with the upper end of the supporting rod, and the upper end of the lead screw is rotatably connected to the horizontal frame.
Furthermore, the support rod is marked with length scales, the test platform is provided with a pointer, and the pointer points to the length scales on the support rod.
Compared with the prior art, the utility model discloses following profitable technological effect has:
the utility model relates to a multistation insulator spindle withstand voltage testing arrangement, through setting up base, test platform and earth bar; the device is characterized in that a plurality of grounding electrode seats are arranged on a base, a grading ring is fixed by utilizing a supporting rod of the base, the grading ring is connected with a high-voltage power supply, a test platform is arranged between the base and the grading ring, a plurality of high-voltage output electrodes corresponding to the plurality of grounding electrode seats on the base are arranged on the test platform, a leakage current collecting device is arranged on each high-voltage output electrode, each high-voltage output electrode corresponds to one grounding electrode seat, the test platform is electrically connected with the grading ring through a high-voltage wire, a plurality of insulating rods to be tested can be simultaneously installed, the test platform is driven to move downwards through a lifting device, the segmented voltage withstanding tests or the voltage withstanding tests with different lengths of the insulating rods can be realized, and the test data of each insulating rod to be tested are collected through each leakage current collecting device, the device has simple structure and convenient use, a plurality of insulating rods to be measured can be measured simultaneously, and the measurement of the insulating rods with different heights can be realized.
Before carrying out withstand voltage test to the insulator spindle, earlier drive the earthing rod through swing controlling means and toward the inboard swing, make the upper end of earthing rod contact with the equalizer ring, then vertically fix a plurality of insulator spindles respectively on the earthing electrode seat, rethread elevating gear drives test platform downstream, make the upper end of all insulator spindles and the high-voltage output electrode that corresponds on the test platform contact, make the upper end of earth spindle keep away from the equalizer ring again, voltage balance between earthing electrode seat and the high-voltage output electrode when guaranteeing the installation, ensure the installation safety, at last toward equalizer ring switch-on high-voltage electricity, whether there is leakage current on every insulator spindle through the leakage current collection system on the test platform, safety and reliability.
Furthermore, the surrounding clamp is arranged on the grounding electrode seat, so that the fixed installation of the insulating rods with different specifications and types is realized, and the lower end of the insulating rod can be tightly held by the surrounding clamp after the surrounding clamp is electrified, so that the insulating rod is well contacted with the grounding electrode seat.
The utility model discloses a multistation insulator spindle withstand voltage testing arrangement can once only test a large amount of insulator spindles, and is more convenient with the installation of insulator spindle with the dismantlement, can adjust the withstand voltage test length of insulator spindle at any time.
Furthermore, through two lead screws and the lifting of the test platform which is controlled simultaneously, the stability of the lifting platform is ensured.
Furthermore, the support rod is marked with length scales, the test platform is provided with a pointer, so that the accurate adjustment of different heights is facilitated, and the withstand voltage test length of the insulating rod can be determined by experimenters conveniently.
Drawings
FIG. 1 is a schematic view of the forward structure of the present invention;
fig. 2 is a side view of the structure of fig. 1.
In the figure: 1. a base; 101. a ground electrode holder; 102. encircling and clamping; 2. a support bar; 3. a grading ring; 301. a horizontal frame; 4. a test platform; 401. a high voltage output electrode; 5. a ground rod; 6. a lead screw; 7. a drive motor; 8. a synchronous pulley; 9. a synchronous drive belt; 10. a connecting rod; 11. a swing motor; 12. a pointer.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings:
in order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.
Referring to fig. 1 and 2, a multistation insulation rod withstand voltage testing device comprises a base 1, a testing platform 4 and a grounding rod 5; the grounding electrode holder comprises a base 1, a plurality of grounding electrode holders 101, a support rod 2 is vertically arranged on the base 1, the upper end of the support rod 2 is connected with a grading ring 3, and the grading ring 3 is connected with a high-voltage power supply; the testing platform 4 is arranged between the base 1 and the grading ring 3, a lifting device for controlling the testing platform 4 to lift is arranged on the base 1, a plurality of high-voltage output electrodes 401 corresponding to a plurality of grounding electrode seats 101 on the base 1 are arranged on the testing platform 4, a leakage current collecting device is arranged on each high-voltage output electrode 401, a grounding electrode seat 101 corresponds to each high-voltage output electrode 401, and the testing platform 4 is electrically connected with the grading ring 3 through a high-voltage wire; the lower extreme of earthed pole 5 articulates the one end at base 1, and the upper end of earthed pole 5 can contact with the 3 outsides of equalizer ring, is provided with pendulous device between the lower extreme of earthed pole 5 and the base 1. An encircling clamp 102 is arranged on the grounding electrode seat 101, and foam is arranged on the inner side of the encircling clamp 102.
In the above embodiment, the base 1 and the testing platform 4 are both rectangular, two ends of the testing platform 4 along the length direction are connected to the lifting device, the plurality of grounding electrode holders 101 are symmetrically disposed on two sides of the base 1, and correspondingly, the plurality of high voltage output electrodes 401 are symmetrically disposed on two sides of the testing platform 4. Before carrying out withstand voltage test to the insulator spindle, earlier drive 5 toward the inboard swing of earth pole through swing controlling means, make the upper end of earth pole 5 contact with equalizer ring 3, then with a plurality of insulator spindles vertical fixing respectively on ground electrode seat 101, rethread elevating gear drives test platform 4 downstream, make the upper end of all insulator spindles contact with the high-voltage output electrode 401 that corresponds on the test platform 4, make the upper end of earth pole 5 keep away from equalizer ring 3 again, last toward 3 switch-on high-voltage electricity of equalizer ring, whether there is leakage current on monitoring every insulator spindle through the leakage current collection device on the test platform 4, judge whether qualified insulator spindle. Because the test platform 4 can move up and down, the sectional voltage withstanding test or the voltage withstanding tests with different lengths can be carried out on the insulating rod. In order to ensure the safety of testing personnel, an experiment control console separated from the testing device is additionally arranged, and the leakage current collecting device can transmit test data to the experiment control console through infrared signals. In order to enable the lower ends of the insulating rods of different specifications and types to be in close contact with the grounding electrode base 101, the grounding electrode base 101 can be provided with the surrounding clamp 102, the surrounding clamp 102 can adapt to the insulating rods of different thicknesses, and after the surrounding clamp 102 is electrified, the surrounding clamp 102 can hold the lower ends of the insulating rods tightly so that the insulating rods can be in good contact with the grounding electrode base. The utility model discloses a multistation insulator spindle withstand voltage testing arrangement can once only test a large amount of insulator spindles, and is more convenient with the installation of insulator spindle with the dismantlement, can adjust the withstand voltage test length of insulator spindle at any time.
Referring to fig. 1, according to an embodiment of the present invention, the lifting device includes: two lead screws 6 and a driving motor 7, two lead screws 6 rotate the assembly respectively and are in base 1 with between the equalizer ring 3, test platform 4 and two 6 screw-thread fit of lead screw, every the lower extreme of lead screw 6 is provided with synchronous pulley 8 respectively, two the cover has synchronous drive belt 9 between the synchronous pulley 8, driving motor 7's main shaft and one of them the lower extreme of lead screw 6 is connected, through two lead screw synchronous drive, makes test platform steadily go up and down.
In the above embodiment, after the driving motor 7 is powered on, one lead screw 6 can be directly driven to rotate by the main shaft, and since the two lead screws 6 are in transmission connection through the synchronous belt pulley 8 and the synchronous transmission belt 9, the other lead screw 6 can also simultaneously rotate in the same direction, and when the two lead screws 6 synchronously rotate in situ, the test platform 4 simultaneously in threaded fit with the two lead screws 6 ascends or descends along the vertical direction under the driving of the threads on the lead screws 6, so as to adjust the vertical height of the test platform 4.
Referring to fig. 1 and 2, according to an embodiment of the present invention, a horizontal frame 301 is disposed on the grading ring 3, the horizontal frame 301 is fixedly connected to the upper end of the supporting rod 2, and the upper end of the screw rod 6 is axially rotatably connected to the horizontal frame 301.
In the above embodiment, the horizontal frame 301 is fixedly connected to the inner side of the grading ring 3, the upper end of the support rod 2 is fixedly connected to the horizontal frame 301, a bearing is arranged between the upper end of the lead screw 6 and the horizontal frame 301, and the lead screw 6 can rotate in place relative to the horizontal frame 301.
Referring to fig. 1, according to an embodiment of the present invention, the swing control device includes: connecting rod 10 and a swing motor 11, be connected with the crank on swing motor 11's the main shaft, articulate tip with connecting rod 10's one end is articulated, connecting rod 10's the other end articulates on earthing rod 5, the motor is under the not circular telegram circumstances, can freely swing, and earthing rod 5 inclines to the outside under self gravity condition, and the crank of connecting on the motor main shaft is connected with earthing rod 5 through connecting rod 10, makes earthing rod 5's upper end be in unsettled and with the state of 3 phase separations of equalizer ring, and after the motor connects the electricity, the motor drives earthing rod 5 through crank and connecting rod 10 and swings to the inboard, makes earthing rod 5's upper end and equalizer ring 3 contact, makes equalizer ring 3 direct ground connection.
Referring to fig. 1, according to an embodiment of the present invention, the support rod 2 is marked with length scales, and the testing platform 4 is provided with a pointer 12.
In the above embodiment, when the testing platform 4 is driven by the lifting device to move along the screw 6, the pointer 12 indicates the length scale on the supporting rod 2, so that the experimenter can conveniently determine the withstand voltage testing length of the insulating rod.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. The multi-station insulating rod withstand voltage testing device is characterized by comprising a base (1) and a testing platform (4), wherein a plurality of grounding electrode seats (101) are arranged on the base (1), a supporting rod (2) is vertically arranged on the base (1), a grading ring (3) is arranged at the upper end of the supporting rod (2), and the grading ring (3) is connected with a high-voltage power supply;
the testing platform (4) is installed between the base (1) and the grading ring (3) through a lifting device, a plurality of high-voltage output electrodes (401) corresponding to a plurality of grounding electrode seats (101) on the base (1) are arranged on the testing platform (4), a leakage current collecting device is arranged on each high-voltage output electrode (401), and the testing platform (4) is electrically connected with the grading ring (3);
the base (1) is provided with a grounding rod (5) hinged with one end of the base (1), and the grounding rod (5) can rotate relative to the base (1) and is in contact with the grading ring (3).
2. The multi-station insulation rod withstand voltage testing device according to claim 1, wherein an encircling clamp (102) for clamping the insulation rod to be tested is arranged on the grounding electrode seat (101).
3. The multi-station insulation rod withstand voltage testing device as claimed in claim 2, wherein a foam is arranged on one side of the surrounding clamp (102) which is in contact with the insulation rod to be tested.
4. The multi-station insulation rod withstand voltage testing device according to claim 2 or 3, wherein the surrounding clamp (102) adopts two symmetrically arranged clamping rods, two ends of each clamping rod are rotatably mounted on the base (1), and a torsion spring is arranged at the rotary connection position of each clamping rod and the base (1).
5. The multistation insulator spindle withstand voltage testing device of claim 1, characterized in that a swing control device is arranged between the lower end of the grounding rod (5) and the base (1).
6. A multi-station insulation rod withstand voltage testing device according to claim 5, characterized in that a swing control device is composed of a connecting rod (10) and a swing motor (11), a crank is connected to a main shaft of the swing motor (11), the end of the crank is hinged to one end of the connecting rod (10), and the other end of the connecting rod (10) is hinged to the grounding rod (5).
7. The multi-station insulation rod withstand voltage testing device according to claim 1, wherein the lifting device comprises a lead screw (6) vertically arranged on the base (1), two ends of the lead screw (6) are respectively rotatably connected with the base (1) and the grading ring (3), a driving motor (7) for driving the lead screw (6) to rotate is arranged on the base (1), and the testing platform (4) is in threaded fit transmission with the lead screw (6).
8. The multi-station insulation rod withstand voltage testing device according to claim 7, wherein two lead screws (6) arranged in parallel are arranged on the base (1), the two lead screws (6) are in threaded fit transmission with the testing platform (4), the lower ends of the two lead screws (6) are provided with a synchronous belt wheel (8), and the two synchronous belt wheels (8) are in transmission through a synchronous transmission belt (9).
9. The multi-station insulation rod withstand voltage testing device according to claim 7, wherein a horizontal frame (301) is arranged on the grading ring (3), the horizontal frame (301) is fixedly connected with the upper end of the supporting rod (2), and the upper end of the lead screw (6) is rotatably connected to the horizontal frame (301).
10. The multi-station insulation rod withstand voltage testing device according to claim 1, wherein length scales are marked on the supporting rod (2), a pointer (12) is arranged on the testing platform (4), and the pointer (12) points to the length scales on the supporting rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920776744.0U CN210109249U (en) | 2019-05-27 | 2019-05-27 | Multi-station insulating rod voltage-withstanding testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920776744.0U CN210109249U (en) | 2019-05-27 | 2019-05-27 | Multi-station insulating rod voltage-withstanding testing device |
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| Publication Number | Publication Date |
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| CN210109249U true CN210109249U (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920776744.0U Active CN210109249U (en) | 2019-05-27 | 2019-05-27 | Multi-station insulating rod voltage-withstanding testing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110045254A (en) * | 2019-05-27 | 2019-07-23 | 国家电网有限公司 | A kind of multistation insulating bar segmented pressure test device |
| CN114113946A (en) * | 2021-11-26 | 2022-03-01 | 西安西电高压开关操动机构有限责任公司 | Sectional voltage-withstanding test equipment |
-
2019
- 2019-05-27 CN CN201920776744.0U patent/CN210109249U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110045254A (en) * | 2019-05-27 | 2019-07-23 | 国家电网有限公司 | A kind of multistation insulating bar segmented pressure test device |
| CN114113946A (en) * | 2021-11-26 | 2022-03-01 | 西安西电高压开关操动机构有限责任公司 | Sectional voltage-withstanding test equipment |
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