CN106950479B - Insulating rod positioning device - Google Patents
Insulating rod positioning device Download PDFInfo
- Publication number
- CN106950479B CN106950479B CN201710287109.1A CN201710287109A CN106950479B CN 106950479 B CN106950479 B CN 106950479B CN 201710287109 A CN201710287109 A CN 201710287109A CN 106950479 B CN106950479 B CN 106950479B
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- hole
- rod
- plate
- insulating
- lifting rod
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- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Insulating Bodies (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The invention discloses an insulating rod positioning device which is used for a power frequency withstand voltage test and comprises a telescopic bracket, a fixed lifting rod and a movable lifting rod, wherein the telescopic bracket can move between an unfolding position and a folding position, the fixed lifting rod can rotate between a first vertical position and a first parallel position, and the movable lifting rod can rotate between a second vertical position and a second parallel position. The power frequency withstand voltage test device for the insulating rod has the advantages of simple structure, low production cost, small volume, portability, ensuring that the insulating rod keeps enough safety distance to the ground during the test, realizing quick unfolding and folding, quick positioning and convenient reading.
Description
Technical Field
The invention relates to the field of electric power safety, in particular to a quick positioning device for the length of an insulating rod power frequency withstand voltage test.
Background
In the test of high-voltage insulating rods, 110KV and 220KV insulating rods are often required to be tested, and because the voltage is high, the field test is difficult to reach the voltage level requirement, and therefore a segmented test method is usually adopted. According to the regulation requirements, 220kV can be tested in 4 sections at most, the test voltage is 132kV/0.525m, and 110kV can be tested in 3 sections, and the test voltage is 88kV/0.433m, so that the highest voltage applied is 132kV when the insulating rod is tested.
Therefore, a design is needed to ensure that a sufficient safety distance is kept to the ground during the test, and the transformer substation is small in size and convenient to carry.
When the insulating rod is used for the sectional withstand voltage test, the installation of experimental equipment is difficult due to the complex site topography and environment. Moreover, the pressure-proof test must be performed according to the prescribed length, and the test length of the insulating rod is generally measured on site by using a meter ruler, which is time-consuming and laborious.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a quick positioning device for the power frequency withstand voltage test length of an insulating rod.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
an insulating rod positioning device is used for a power frequency withstand voltage test and comprises a telescopic bracket, a fixed lifting rod and a movable lifting rod, wherein,
the telescopic bracket comprises an upper plate, a lower plate arranged in parallel with the upper plate and at least two supporting plates which are mutually separated and are used for connecting the upper plate and the lower plate, and the telescopic bracket can move between an unfolding position and a folding position;
an opening is formed in the upper plate, and an upper rail is arranged on one side of the opening; the lower plate is provided with a lower rail;
the support plate comprises a first support plate and a second support plate, and one end of the first support plate is rotatably connected with one end of the upper plate; the other end of the first supporting plate is rotatably connected with one end of the second supporting plate; the other end of the second supporting plate is rotatably connected with one end of the lower plate;
the fixed lifting rod penetrates through the opening and is rotatably arranged on the lower plate, the fixed lifting rod can stretch up and down along the axial direction of the fixed lifting rod, and the fixed lifting rod can rotate between a first vertical position and a first parallel position;
the movable lifting rod passes through the opening and is slidably and rotatably arranged on the lower rail, the movable lifting rod can extend and retract up and down along the axial direction of the movable lifting rod, and the movable lifting rod can rotate between a second vertical position and a second parallel position;
the top of fixed lifter is provided with first insulator spindle position sleeve, and the top of removal lifter is provided with second insulator spindle position sleeve, and the centre line and the upper plate parallel of trompil that are used for holding the insulator spindle that awaits measuring of first insulator spindle position sleeve and second insulator spindle position sleeve.
Further, one end of the first supporting plate is provided with a first rotating hole, one end of the upper plate is provided with an upper plate rotating hole, and the first rotating hole is rotatably connected with the upper plate rotating hole through a first screw; the other end of the first supporting plate is provided with a second rotating hole, one end of the second supporting plate is provided with a third rotating hole, and the second rotating hole is rotatably connected with the third rotating hole through a second screw; the other end of the second supporting plate is provided with a fourth rotating hole, one end of the lower plate is provided with a lower plate rotating hole, and the fourth rotating hole is rotatably connected with the lower plate rotating hole through a third screw.
Further, a first fixing hole and a second fixing hole are formed in the other end of the first supporting plate, and the first fixing hole and the second fixing hole are symmetrical relative to the second rotating hole of the first supporting plate; one end of the second supporting plate is provided with a third fixing hole; when the telescopic bracket is in the unfolding position, the first fixing hole is fixedly connected with the third fixing hole through the first spring pin; when the telescopic bracket is in the folded position, the second fixing hole is fixedly connected with the third fixing hole through the first spring pin.
Further, the fixed lifting rod further comprises a first metal outer cylinder rotatably arranged on the lower plate and a first insulating inner rod sleeved in the first metal outer cylinder, and the first insulating inner rod is connected with the first insulating rod positioning sleeve; the first metal outer cylinder is provided with a first locating pin, and the first insulating inner rod is provided with a first bolt hole matched with the first locating pin.
Further, when the fixed lifting rod is in the first vertical position, the first metal outer cylinder is fixed with the lower plate through the clamp.
Further, the movable lifting rod further comprises a second metal outer cylinder rotatably and slidably arranged on the lower rail and a second insulating inner rod sleeved in the second metal outer cylinder, and the second insulating inner rod is connected with the second insulating rod positioning sleeve; a second positioning pin is arranged on the second metal outer cylinder, and a second bolt hole matched with the second positioning pin is arranged on the second insulating inner rod; the bottom end of the second metal outer cylinder is slidably arranged on the lower rail through rollers.
Further, the insulating rod positioning device further comprises a horizontal clamping device, the horizontal clamping device comprises a metal hoop for fastening the movable lifting rod, a connecting piece and a fastening bolt, wherein,
the connecting piece comprises a fixed block and a rotating block which is rotatably connected with the fixed block, the fixed block is connected with one side of the fastening bolt, and a first positioning hole is formed in the fixed block; the rotating block is connected with the metal hoop, a second positioning hole and a third positioning hole are formed in the rotating block, and the first positioning hole is matched with the second positioning hole or the third positioning hole through a second spring pin;
the other side of the fastening bolt is slidably arranged on the upper rail, and the fastening bolt is fixed with the upper rail through a rotary nut.
Further, limiting plates are respectively arranged on two sides of the lower plate.
Further, a positioning ruler is arranged on one side of the opening and used for measuring the length of the insulating rod to be measured.
Further, the number of support plates is 4.
The insulating rod positioning device is simple in structure, low in production cost, small in size and convenient to carry, and can ensure that enough safe distance is kept to the ground during test, the design of the metal outer cylinder and the insulating inner rod sleeve is adopted, the supporting force is met, the support is more stable during test, the quick unfolding and folding of the test device are realized by utilizing the telescopic bracket structure, meanwhile, the horizontal clamping device is utilized to quickly fix and move the lifting device, the lifting device corresponds to the size on the positioning ruler, and the length of the corresponding insulating rod to be tested is accurately and intuitively read.
Drawings
FIG. 1 is a schematic view of the insulation rod positioning device of the present invention in a deployed position;
FIG. 2 is a schematic view of the telescopic bracket in a deployed position;
FIG. 3 is a schematic view of the insulating rod positioning device of the present invention in a folded position;
fig. 4 is a schematic structural view of the first support plate;
fig. 5 is a schematic structural view of the second support plate;
FIG. 6 is a schematic view of a structure of a movable lifter;
FIG. 7 is a schematic view of the structure of a fixed lifter;
FIG. 8 is a side view of a horizontal detent;
fig. 9 is a top view of the insulation rod positioning device of the present invention in a folded position.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1-3, the insulating rod positioning device provided by the invention is used for a power frequency withstand voltage test, and comprises a telescopic bracket 1, a fixed lifting rod 2 and a movable lifting rod 3, wherein the telescopic bracket 1 comprises an upper plate 11, a lower plate 12 arranged parallel to the upper plate 11, and at least two support plates which are arranged separately from each other and are used for connecting the upper plate 11 and the lower plate 12, and in a preferred embodiment, the number of the support plates is 4. The telescopic support 1 is movable between an extended position (fig. 2) and a collapsed position (fig. 3). As shown in fig. 9, the upper plate 11 is provided with an opening, one side of the opening is provided with an upper rail 15, and the lower plate 12 is provided with a lower rail 16.
As shown in fig. 2 to 5, the support plates include a first support plate 131 and a second support plate 132, one end of the first support plate 131 being rotatably connected with one end of the upper plate 11; the other end of the first support plate 131 is rotatably connected with one end of the second support plate 132; the other end of the second support plate 132 is rotatably connected to one end of the lower plate 12. The first and second support plates 131 and 132 are perpendicular to the upper and lower plates 11 and 12 when in the unfolded position, and the first and second support plates 131 and 132 overlap each other and are parallel to the upper and lower plates 11 and 12 when in the folded position.
In a preferred embodiment, one end of the first support plate 131 is provided with a first rotation hole 133, one end of the upper plate 11 is provided with an upper plate rotation hole (not shown), and the first rotation hole 133 is rotatably connected with the upper plate rotation hole by a first screw (not shown); the other end of the first support plate 131 is provided with a second rotation hole 135, one end of the second support plate 132 is provided with a third rotation hole 134, and the second rotation hole 135 is rotatably connected with the third rotation hole 134 by a second screw (not shown); the other end of the second support plate 132 is provided with a fourth rotation hole 136, and one end of the lower plate 12 is provided with a lower plate rotation hole (not shown), and the fourth rotation hole 136 is rotatably connected with the lower plate rotation hole by a third screw (not shown).
In a preferred embodiment, the other end of the first support plate 131 is provided with a first fixing hole 137 and a second fixing hole 139, the first fixing hole 137 and the second fixing hole 139 being symmetrical with respect to the second rotation hole 135 of the first support plate 131; one end of the second support plate is provided with a third fixing hole 138. When the telescopic bracket 1 is in the unfolded position, the first fixing hole 137 is fixedly connected with the third fixing hole 138 through a first spring pin (not shown); the second fixing hole 139 is fixedly connected with the third fixing hole 138 through the first spring pin when the telescopic bracket 1 is in the folded position, so that the telescopic bracket 1 can be fixed in both the unfolded position and the folded position.
As shown in fig. 1 and 7, the fixed lifter 2 passes through the opening and is rotatably provided on the lower plate 12, the fixed lifter 2 being retractable up and down along the axial direction thereof, the fixed lifter 2 being rotatable between a first vertical position and a first parallel position. The top end of the fixed lifting rod 2 is provided with a first insulating rod positioning sleeve 21, and in a preferred embodiment, the fixed lifting rod 2 further comprises a first metal outer cylinder 22 rotatably provided on the lower plate, and a first insulating inner rod 23 sleeved in the first metal outer cylinder 22, the first insulating inner rod 23 being connected with the first insulating rod positioning sleeve 21. The first metal outer tube 22 is provided with a first positioning pin (not shown), the first insulating inner rod 23 is provided with a first bolt hole (not shown) matched with the first positioning pin, and when the fixed lifting rod 2 is in the first vertical position, the first positioning pin is matched with the first bolt hole to fix the first metal outer tube 22 and the first insulating inner rod 23. When the fixed lifter 2 is in the first vertical position, the bottom of the first metal outer cylinder 22 is fixed to the lower plate 12 by a clip (not shown).
As shown in fig. 1 and 6, the top end of the movable lifter 3 is provided with a second insulation rod positioning sleeve 31, and the center lines of the openings of the first insulation rod positioning sleeve 21 and the second insulation rod positioning sleeve 31 for accommodating the insulation rods to be measured are parallel to the upper plate 11. The movable lifter 3 passes through the opening and is slidably and rotatably provided on the lower rail 16, the movable lifter 3 being retractable up and down along its axial direction, the movable lifter 3 being rotatable between a second vertical position and a second parallel position.
In a preferred embodiment, the movable lifter 3 further includes a second metal outer cylinder 32 rotatably and slidably provided on the lower rail 16, and a second insulating inner rod 33 fitted into the second metal outer cylinder 32, the second insulating inner rod 33 being connected to the second insulating rod positioning sleeve 31. The second metal outer cylinder 32 is provided with a second positioning pin (not shown), and the second insulating inner rod 33 is provided with a second bolt hole (not shown) matched with the second positioning pin; when the movable lifting rod 3 is in the second vertical position, the second positioning pin is matched with the second bolt hole to fix the second metal outer cylinder 32 and the second insulating inner rod 33. The bottom end of the second metal outer cylinder 32 is slidably provided on the lower rail 16 by a roller 36 so that the movable lifter 3 can be moved in the horizontal direction on the lower rail 16.
As shown in fig. 8, in a preferred embodiment, the insulation rod positioning device of the present invention further includes a horizontal clamping device 5, and the horizontal clamping device 5 includes a metal hoop 51 for fastening the movable lifting rod 3, a connecting member 52, and a fastening bolt 53. The connecting member 52 includes a fixed block 521 and a rotating block 522 rotatably connected to the fixed block 521, and the fixed block 521 and the rotating block 522 may be provided with rotation holes, respectively, and rotatably connected by screws, so that the rotating block 522 rotates relative to the fixed block 521. The fixed block 521 is connected to one side of the fastening bolt 53, a first positioning hole (not shown) is provided on the fixed block 521, the rotating block 522 is connected to the metal anchor ear 51, a second positioning hole (not shown) and a third positioning hole (not shown) which are formed at a certain angle with each other are provided on the rotating block 522, and when the movable lifting rod 3 is in the second vertical position or the second parallel position, the first positioning hole is matched with the second positioning hole or the third positioning hole through the second spring pin 523 to fix the movable lifting rod 3. The other side of the fastening bolt 53 is slidably disposed on the upper rail 15, and the fastening bolt 53 is fixed to the upper rail 15 by rotating a nut (not shown).
In a preferred embodiment, as shown in fig. 2-3, the lower plate 12 is provided with a limiting plate 6 on each side for limiting the second support plate 132 when the telescopic bracket 1 is in the extended position.
Fig. 9 illustrates a top view of the insulation rod positioning device of the present invention in a folded position. In a preferred embodiment, as shown in fig. 9, a positioning ruler 7 is provided at one side of the opening for measuring the length of the insulating rod to be measured.
Referring to fig. 1 and 9, the insulating rod positioning device of the present invention moves from an extended position to a folded position in the following manner: first, all the first spring pins on the telescopic bracket 1 are opened, the first insulating inner rod 23 for fixing the lifting rod 2 is contracted downwards into the first metal outer cylinder 22, the clamp at the bottom of the first metal outer cylinder 22 is loosened, the second insulating inner rod 33 for moving the lifting rod 3 is contracted downwards into the second metal outer cylinder 32, and the second positioning pin of the connecting piece 52 of the horizontal clamping device 5 is opened. Then, the telescopic bracket 1 is folded down while rotating the first metal outer tube 22 clockwise from the vertical position in fig. 1 to the parallel position while rotating the rotating block 522 counterclockwise with respect to the fixed block 521, and the second metal outer tube 32 counterclockwise from the vertical position in fig. 1 to the substantially parallel position. As shown in fig. 9, the upper plate 11 is provided with an opening in which the first metal outer tube 22 and the first insulating rod positioning sleeve 21 of the fixed lifter 2, and the second metal outer tube 32 and the second insulating rod positioning sleeve 31 of the movable lifter 3 can be placed when the fixed lifter 2 and the movable lifter 3 are in the parallel position. It will be appreciated by those skilled in the art that the fixed lift pins 2 are in place on the lower plate 12 enabling the fixed lift pins 2 to be placed in the openings when rotated to a parallel position.
When the insulating rod positioning device of the present invention is used, all the first spring pins on the telescopic bracket 1 are opened, the second spring pins of the connecting piece 52 of the horizontal clamping device 5 are opened, and the telescopic bracket 1 is pulled up until the first spring pins fix the support plate of the telescopic bracket 1, and simultaneously the movable lifting rod 3 and the rotating block 522 are rotated to the vertical position relative to the fixed block 521, and simultaneously the fixed lifting rod 2 is rotated to the vertical position, and the bottom of the fixed lifting rod 2 is clamped in the clamp. After the insulating rod positioning device is fully unfolded, the roller 36 of the movable lifting rod 3 is horizontally moved to a designated position on the lower track 16, the horizontal clamping device 5 is fixed, the insulating rod to be tested is placed in the openings of the first insulating rod positioning sleeve 21 and the second insulating rod positioning sleeve 31, the two ends of the insulating rod to be tested are connected with a power supply, and the first insulating inner rod 23 and the second insulating inner rod 33 are manually pulled out until the first positioning pin is matched with the first bolt hole, and the second positioning pin is matched with the second bolt hole. At this time, the height of the insulating rod is a safe distance, and after the insulating rod is ready, the insulating rod is electrified to be tested.
The foregoing examples merely illustrate embodiments of the invention and are described in more detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention.
Claims (10)
1. An insulating rod positioning device is used for a power frequency withstand voltage test and is characterized by comprising a telescopic bracket, a fixed lifting rod and a movable lifting rod, wherein,
the telescopic bracket comprises an upper plate, a lower plate arranged in parallel with the upper plate and at least two support plates which are mutually separated and are used for connecting the upper plate and the lower plate, and the telescopic bracket can move between an unfolding position and a folding position;
an opening is formed in the upper plate, and an upper rail is arranged on one side of the opening; a lower rail is arranged on the lower plate;
the support plate comprises a first support plate and a second support plate, and one end of the first support plate is rotatably connected with one end of the upper plate; the other end of the first supporting plate is rotatably connected with one end of the second supporting plate; the other end of the second supporting plate is rotatably connected with one end of the lower plate;
the fixed lifting rod penetrates through the opening and is rotatably arranged on the lower plate, the fixed lifting rod can extend and retract up and down along the axial direction of the fixed lifting rod, and the fixed lifting rod can rotate between a first vertical position and a first parallel position;
the movable lifting rod passes through the opening and is slidably and rotatably arranged on the lower rail, the movable lifting rod can extend and retract up and down along the axial direction of the movable lifting rod, and the movable lifting rod can rotate between a second vertical position and a second parallel position;
the top of fixed lifter is provided with first insulator spindle position sleeve, the top of removal lifter is provided with second insulator spindle position sleeve, first insulator spindle position sleeve with the centre line of the trompil that is used for holding the insulator spindle that awaits measuring of second insulator spindle position sleeve with the upper plate is parallel.
2. The insulating rod positioning device according to claim 1, wherein one end of the first support plate is provided with a first rotation hole, one end of the upper plate is provided with an upper plate rotation hole, and the first rotation hole is rotatably connected with the upper plate rotation hole through a first screw; the other end of the first supporting plate is provided with a second rotating hole, one end of the second supporting plate is provided with a third rotating hole, and the second rotating hole is rotatably connected with the third rotating hole through a second screw; the other end of the second supporting plate is provided with a fourth rotating hole, one end of the lower plate is provided with a lower plate rotating hole, and the fourth rotating hole is rotatably connected with the lower plate rotating hole through a third screw.
3. The insulating rod positioning device according to claim 2, wherein the other end of the first support plate is provided with a first fixing hole and a second fixing hole, the first fixing hole and the second fixing hole being symmetrical with respect to the second rotation hole of the first support plate; a third fixing hole is formed in one end of the second supporting plate; when the telescopic bracket is in the unfolding position, the first fixing hole is fixedly connected with the third fixing hole through a first spring pin; when the telescopic bracket is in the folded position, the second fixing hole is fixedly connected with the third fixing hole through the first spring pin.
4. The insulation rod positioning device according to claim 1, wherein the fixed lifting rod further comprises a first metal outer cylinder rotatably provided on the lower plate, and a first insulation inner rod sleeved in the first metal outer cylinder, the first insulation inner rod being connected with the first insulation rod positioning sleeve; the first metal outer cylinder is provided with a first locating pin, and the first insulating inner rod is provided with a first bolt hole matched with the first locating pin.
5. The insulating rod positioning device according to claim 4, wherein the first metal outer cylinder is fixed to the lower plate by a clip when the fixed lifter is in the first vertical position.
6. The insulating rod positioning device according to claim 1, wherein the movable lifting rod further comprises a second metal outer cylinder rotatably and slidably provided on the lower rail, and a second insulating inner rod sleeved in the second metal outer cylinder, the second insulating inner rod being connected to the second insulating rod positioning sleeve; a second positioning pin is arranged on the second metal outer cylinder, and a second bolt hole matched with the second positioning pin is arranged on the second insulating inner rod; the bottom end of the second metal outer cylinder is slidably arranged on the lower track through rollers.
7. The insulation rod positioning device according to claim 1, further comprising a horizontal detent device comprising a metal hoop for fastening the movable lifter, a connector, and a fastening bolt, wherein,
the connecting piece comprises a fixed block and a rotating block rotatably connected with the fixed block, the fixed block is connected with one side of the fastening bolt, and a first positioning hole is formed in the fixed block; the rotating block is connected with the metal hoop, a second positioning hole and a third positioning hole are formed in the rotating block, and the first positioning hole is matched with the second positioning hole or the third positioning hole through a second spring pin;
the other side of the fastening bolt is slidably arranged on the upper rail, and the fastening bolt is fixed with the upper rail through a rotary nut.
8. The insulating rod positioning device according to claim 1, wherein limiting plates are respectively arranged on two sides of the lower plate.
9. The insulating rod positioning device according to claim 1, wherein a positioning ruler is arranged on one side of the opening and is used for measuring the length of the insulating rod to be measured.
10. The insulating rod positioning device according to claim 1, wherein the number of the support plates is 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710287109.1A CN106950479B (en) | 2017-04-27 | 2017-04-27 | Insulating rod positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710287109.1A CN106950479B (en) | 2017-04-27 | 2017-04-27 | Insulating rod positioning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106950479A CN106950479A (en) | 2017-07-14 |
| CN106950479B true CN106950479B (en) | 2023-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710287109.1A Active CN106950479B (en) | 2017-04-27 | 2017-04-27 | Insulating rod positioning device |
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| Country | Link |
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| CN (1) | CN106950479B (en) |
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| CN204065336U (en) * | 2014-09-03 | 2014-12-31 | 国家电网公司 | A kind of test apparatus for overpressure resistance of insulator spindle |
| CN104880655A (en) * | 2015-06-18 | 2015-09-02 | 江苏省电力公司太仓市供电公司 | Portable insulation safety tool power-frequency voltage-withstand dolly |
| CN104897928A (en) * | 2015-06-18 | 2015-09-09 | 江苏省电力公司太仓市供电公司 | Insulator spindle elevating gear |
| CN205176072U (en) * | 2015-12-10 | 2016-04-20 | 国网四川省电力公司凉山供电公司 | Adjustable nodal pattern high -voltage testing wire support |
| CN205395882U (en) * | 2016-02-25 | 2016-07-27 | 保定市思瑞特电气有限公司 | Insulating part detects proof test car |
| CN206020464U (en) * | 2016-07-26 | 2017-03-15 | 国网河南省电力公司洛阳供电公司 | A kind of insulating bar pressure test platform |
| CN207051424U (en) * | 2017-04-27 | 2018-02-27 | 国网江苏省电力公司太仓市供电公司 | A kind of insulating bar positioner |
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2017
- 2017-04-27 CN CN201710287109.1A patent/CN106950479B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204065336U (en) * | 2014-09-03 | 2014-12-31 | 国家电网公司 | A kind of test apparatus for overpressure resistance of insulator spindle |
| CN104880655A (en) * | 2015-06-18 | 2015-09-02 | 江苏省电力公司太仓市供电公司 | Portable insulation safety tool power-frequency voltage-withstand dolly |
| CN104897928A (en) * | 2015-06-18 | 2015-09-09 | 江苏省电力公司太仓市供电公司 | Insulator spindle elevating gear |
| CN205176072U (en) * | 2015-12-10 | 2016-04-20 | 国网四川省电力公司凉山供电公司 | Adjustable nodal pattern high -voltage testing wire support |
| CN205395882U (en) * | 2016-02-25 | 2016-07-27 | 保定市思瑞特电气有限公司 | Insulating part detects proof test car |
| CN206020464U (en) * | 2016-07-26 | 2017-03-15 | 国网河南省电力公司洛阳供电公司 | A kind of insulating bar pressure test platform |
| CN207051424U (en) * | 2017-04-27 | 2018-02-27 | 国网江苏省电力公司太仓市供电公司 | A kind of insulating bar positioner |
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| Publication number | Publication date |
|---|---|
| CN106950479A (en) | 2017-07-14 |
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