CN203825150U - Link rod insulation monitoring device - Google Patents
Link rod insulation monitoring device Download PDFInfo
- Publication number
- CN203825150U CN203825150U CN201420252617.8U CN201420252617U CN203825150U CN 203825150 U CN203825150 U CN 203825150U CN 201420252617 U CN201420252617 U CN 201420252617U CN 203825150 U CN203825150 U CN 203825150U
- Authority
- CN
- China
- Prior art keywords
- link rod
- fixed
- metal
- insulation monitoring
- nut
- 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
Links
- 238000009413 insulation Methods 0.000 title claims abstract description 17
- 238000012806 monitoring device Methods 0.000 title abstract 3
- 239000002184 metal Substances 0.000 claims abstract description 44
- 238000012544 monitoring process Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000003780 insertion Methods 0.000 abstract 3
- 230000037431 insertion Effects 0.000 abstract 3
- 238000012360 testing method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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- Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
Abstract
The utility model relates to a link rod insulation monitoring device. The link rod insulation monitoring device comprises a base seat, a guide rail arranged on the base seat, two support rods which are vertically mounted at left and right ends of the base seat respectively, a screw of which two ends are rotatably mounted on the two supports respectively, a U-shaped insertion block fixed at upper ends of the support rods, a link rod of which two ends are clamped in U-shaped grooves of the insertion block, a nut which is mounted on the guide rail in a sliding mode and is fixed on the screw through screwing, and a support which is vertically fixed on the nut. The two ends of the link rod to be detected are inserted into the insertion block, the screw is driven to rotate through rotation of a motor, so the nut moves along the guide rail, a metal pressing device is driven through movement of the nut to move, and thereby the metal pressing device is detected along a length direction of the link rod, when an insulative condition is excellent, a resistance value of the link rod is displayed to be infinite through an ohm gauge; when the insulative condition is failed because of damage, a pointer of the ohm gauge deviates, and the position is in fault. As manual operation is not needed during a detection process, use safety is improved.
Description
Technical field
The utility model relates to a kind of pick-up unit, is specifically related to a kind of link rod insulation monitoring and warning device.
Background technology
Link rod: claim again brake pull-rod, insulation rod, insulated tension pole to be formed by working head, insulating bar and lever three parts.Its is for closed or pull open high voltage isolator, mounting or dismounting Portable ground wire, and use when measuring and testing.The test period of installation provision link rod is once a year.6 ~ 10 kilovolts add 44 kilovoltages; 35 ~ 154 kilovolts add four times of phase voltages; 220 kilovolts add three times of phase voltages.But now the test of link rod is not had to specialized equipment, all need manual testing, both the dangerous problem that yet has inefficiency.
Summary of the invention
The utility model, in order to overcome the deficiency of above technology, provides a kind of link rod insulation monitoring and warning device easy to use.
The utility model overcomes the technical scheme that its technical matters adopts:
This link rod insulation monitoring and warning device, comprise base, be arranged at the guide rail on base, vertically be installed on respectively two poles at two ends, base left and right, two ends are rotated respectively and are installed on two screw rods on pole, be fixed on the inserted block taking the shape of the letter U of pole upper end, two ends are placed in the link rod in inserted block U-lag, be slidably mounted on guide rail and screw the nut being fixed on screw rod and be vertically fixed on the support on nut, on described base, motor is installed, the output shaft of described motor is connected in screw rod, metal hold-down devices is installed on described support, described metal hold-down devices bottom is pressed to link rod surface all the time, and it is connected in ohmmeter, two ends, described link rod left and right are connected to ground wire and live wire.
Above-mentioned metal hold-down devices comprises the metal slide bar that is vertically slidably mounted on support, be set on metal slide bar and two ends are individually fixed in spring on support bottom and metal slide bar, by metal rotating shaft, rotate the metal pressure roller that is installed on metal slide bar bottom, and described metal pressure roller is attached on link rod under the effect of spring.
In order to realize locking link rod, also comprise that two slotted holes, the slip that are arranged at respectively inserted block two ends are plugged in the pressing plate in inserted block U-lag, two ends, described pressing plate left and right are fixed with respectively bearing pin, described two bearing pins are plugged in respectively in the slotted hole of corresponding side, described inserted block upper end is fixed with cover plate, on described cover plate, screws and is fixed with bolt.
In order to realize automatically, stop, also comprising be electrically connected on metal slide bar current sensor, be fixed on the relay on base, described current sensor is connected in the control end of relay, described motor is connected in power supply through relay.
In order to improve contact area, above-mentioned pressing plate lower end is provided with arc groove.
The beneficial effects of the utility model are: inserted block is put into in link rod two ends to be detected, click afterwards rotating drive bolt rotary, thereby nut moves along guide rail, nut moves and drives metal hold-down devices to move, thereby metal hold-down devices detects along link rod length direction, when insulation is good, ohmmeter shows that the resistance of link rod is infinitely great, when occurring that breakage causes when on-insulated, the needle deflection of Europe ohmmeter, thus this place, surface goes wrong.Owing to detecting whole process, do not need staff contact, therefore improved the security of using, improved equally detection efficiency.
Accompanying drawing explanation
Fig. 1 is main TV structure schematic diagram of the present utility model;
Fig. 2 is the left TV structure schematic diagram in metal pressure roller of the present utility model position;
Fig. 3 is that A in Fig. 1 is to structural representation;
In figure, 1. base 2. pole 3. guide rail 4. nut 5. screw rod 6. motor 7. support 8. metal slide bar 9. inserted block 10. slotted hole 11. bearing pin 12. bolt 13. link rod 14. ground wire 15. live wire 16. current sensor 17. ohmmeter 18. relay 19. spring 20. metal rotating shaft 21. metal pressure roller 22. pressing plate 23. cover plates.
Embodiment
Below in conjunction with accompanying drawing 1, accompanying drawing 2,3 pairs of the utility model of accompanying drawing, be described further.
This link rod insulation monitoring and warning device, comprise base 1, be arranged at the guide rail 3 on base 1, vertically be installed on respectively two poles 2 at base 1 two ends, left and right, two ends are rotated respectively and are installed on two screw rods 5 on pole 2, be fixed on the inserted block taking the shape of the letter U 9 of pole 2 upper ends, two ends are placed in the link rod 13 in inserted block 9U shape groove, be slidably mounted on guide rail 3 and screw the nut 4 being fixed on screw rod 5 and be vertically fixed on the support 7 on nut 4, motor 6 is installed on base 1, the output shaft of motor 6 is connected in screw rod 5, metal hold-down devices is installed on support 7, metal hold-down devices bottom is pressed to link rod 13 surfaces all the time, and it is connected in ohmmeter 17, link rod 13 two ends, left and right are connected to ground wire 14 and live wire 15.Inserted block 9 is put into in link rod to be detected 13 two ends, clicking afterwards 6 rotating drive screw rods 5 rotates, thereby nut 4 moves along guide rail 3, nut 4 moves and drives metal hold-down devices to move, thereby metal hold-down devices detects along link rod 13 length directions, when insulation is good, ohmmeter 17 shows that the resistance of link rod 13 is infinitely great, when occurring that breakage causes when on-insulated, the needle deflection of Europe ohmmeter 17, thus this place, surface goes wrong.Owing to detecting whole process, do not need staff contact, therefore improved the security of using, improved equally detection efficiency.
As shown in Figure 2, metal hold-down devices can be for following structure it comprise the metal slide bar 8 that is vertically slidably mounted on support 7, be set on metal slide bar 8 and two ends are individually fixed in spring 19 on support 7 bottoms and metal slide bar 8, by metal rotating shaft 20, rotate the metal pressure roller 21 that is installed on metal slide bar 8 bottoms, metal pressure roller 21 can be attached to all the time on link rod 13 under the effect of spring 19, and therefore the link rod 13 for surface irregularity can have the contact that keeps good.
As shown in Figure 3, can also comprise that two slotted holes 10, the slip that are arranged at respectively inserted block 9 two ends are plugged in the pressing plate 22 in inserted block 9U shape groove, pressing plate 22 two ends, left and right are fixed with respectively bearing pin 11, two bearing pins 11 are plugged in respectively in the slotted hole 10 of corresponding side, inserted block 9 upper ends are fixed with cover plate 23, screw and be fixed with bolt 12 on cover plate 23.After the head end of link rod 13 is inserted in inserted block 9, swivel bolt 12, drives pressing plate 22 to move down along the slotted hole 10 of both sides, until it is locked to link rod 13 in inserted block 9, effectively prevent that link rod is in insulativity test, situation about getting loose occurs, and has improved the security of measuring.The contact area of all the other link rods 13 can be improved in pressing plate 22 lower ends by arc groove, improved lockup capacity.
Can also comprise be electrically connected on metal slide bar 8 current sensor 16, be fixed on the relay 18 on base 1, current sensor 16 is connected in the control end of relay 18, motor 6 is connected in power supply through relay 18.In measuring, link rod 13 certains are when on-insulated, current sensor 16 can measure current value, illustrate damaged on-insulated herein, therefore its pilot relay 18 disconnects, motor 6 stops operating, thereby staff is known and learn that the position under metal pressure roller 21 is the position that on link rod 13, insulation goes wrong, and facilitates staff to carry out maintenance process.
Claims (5)
1. a link rod insulation monitoring and warning device, it is characterized in that: comprise base (1), be arranged at the guide rail (3) on base (1), vertically be installed on respectively two poles (2) at base (1) two ends, left and right, the screw rod (5) being installed on two poles (2) is rotated respectively at two ends, be fixed on the inserted block taking the shape of the letter U (9) of pole (2) upper end, two ends are placed in the link rod (13) in inserted block (9) U-lag, be slidably mounted on guide rail (3) and screw the nut (4) being fixed on screw rod (5) and be vertically fixed on the support (7) on nut (4), motor (6) is installed on described base (1), the output shaft of described motor (6) is connected in screw rod (5), described support is provided with metal hold-down devices on (7), described metal hold-down devices bottom is pressed to link rod (13) surface all the time, and it is connected in ohmmeter (17), described link rod (13) two ends, left and right are connected to ground wire (14) and live wire (15).
2. link rod insulation monitoring and warning device according to claim 1, it is characterized in that: described metal hold-down devices comprises the metal slide bar (8) that is vertically slidably mounted on support (7), be set in the upper and two ends of metal slide bar (8) is individually fixed in spring (19) on support (7) bottom and metal slide bar (8), by metal rotating shaft (20), rotates the metal pressure roller (21) being installed on bottom metal slide bar (8), and described metal pressure roller (21) is attached on link rod (13) under the effect of spring (19).
3. link rod insulation monitoring and warning device according to claim 1 and 2, it is characterized in that: also comprise that two slotted holes (10), the slip that are arranged at respectively inserted block (9) two ends are plugged in the pressing plate (22) in inserted block (9) U-lag, described pressing plate (22) two ends, left and right are fixed with respectively bearing pin (11), described two bearing pins (11) are plugged in respectively in the slotted hole (10) of corresponding side, described inserted block (9) upper end is fixed with cover plate (23), screws and be fixed with bolt (12) on described cover plate (23).
4. link rod insulation monitoring and warning device according to claim 3, it is characterized in that: also comprise be electrically connected on metal slide bar (8) current sensor (16), be fixed on the relay (18) on base (1), described current sensor (16) is connected in the control end of relay (18), and described motor (6) is connected in power supply through relay (18).
5. link rod insulation monitoring and warning device according to claim 3, is characterized in that: described pressing plate (22) lower end is provided with arc groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420252617.8U CN203825150U (en) | 2014-05-16 | 2014-05-16 | Link rod insulation monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420252617.8U CN203825150U (en) | 2014-05-16 | 2014-05-16 | Link rod insulation monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203825150U true CN203825150U (en) | 2014-09-10 |
Family
ID=51480632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420252617.8U Expired - Fee Related CN203825150U (en) | 2014-05-16 | 2014-05-16 | Link rod insulation monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203825150U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104977439A (en) * | 2015-07-28 | 2015-10-14 | 国网河南省电力公司济源供电公司 | Safe working apparatus rotation experiment table |
| CN109975667A (en) * | 2019-03-27 | 2019-07-05 | 国网河北省电力有限公司沧州供电分公司 | A kind of insulating bar detection device |
-
2014
- 2014-05-16 CN CN201420252617.8U patent/CN203825150U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104977439A (en) * | 2015-07-28 | 2015-10-14 | 国网河南省电力公司济源供电公司 | Safe working apparatus rotation experiment table |
| CN104977439B (en) * | 2015-07-28 | 2018-03-09 | 国网河南省电力公司济源供电公司 | Managing security tools and instruments whirling test stand |
| CN109975667A (en) * | 2019-03-27 | 2019-07-05 | 国网河北省电力有限公司沧州供电分公司 | A kind of insulating bar detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140910 Termination date: 20160516 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |