CN110646298A - Bending and twisting integrated testing machine for post insulator - Google Patents
Bending and twisting integrated testing machine for post insulator Download PDFInfo
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- CN110646298A CN110646298A CN201910832779.6A CN201910832779A CN110646298A CN 110646298 A CN110646298 A CN 110646298A CN 201910832779 A CN201910832779 A CN 201910832779A CN 110646298 A CN110646298 A CN 110646298A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/26—Investigating twisting or coiling properties
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a bending and twisting integrated testing machine for a post insulator, and relates to the technical field of testing machines; including the bottom plate, still include the stand of a plurality of bottom rigid couplings on the bottom plate, connect lifter plate on the stand, two arrange from top to bottom be used for rigid coupling post insulator both ends the ring flange, be located the torsion motor on the bottom plate, be used for exerting lateral pressure's first electric jar for post insulator, be located the lifter plate be used for post insulator measurement torque's torque sensor, be located the pressure sensor who is used for post insulator measurement pressure on the first electric jar, the ring flange rigid coupling of upside is in the lifter plate below, and the ring flange of downside is connected with torsion motor, the rigid coupling has the guide bar on the bottom plate, the guide bar pass the lifter plate and with lifter plate sliding connection. The invention can test the torsion resistance and the bending resistance of the post insulator and can test the post insulators at different ends.
Description
Technical Field
The invention belongs to the technical field of testing machines, and particularly relates to a bending and twisting integrated testing machine for a post insulator.
Background
The existing post insulator testing machine can only perform one of torsion test or bending test, and has few functions.
Chinese patent CN104062187B, patent name "insulator anti-torsion and anti-bending test device"; including base, mounting flange and apron, the base include unable adjustment base and riser, unable adjustment base and riser mutually perpendicular and welded fastening, the riser in the middle of be equipped with the through-hole, mounting flange lid in the through-hole left side, and with flange coupling mechanism fixed connection, mounting flange middle part be equipped with the locating pin, the right part of insulator work piece overlap in on the locating pin, the apron lid in behind the left side of insulator pass through cover plate coupling mechanism with mounting flange connects fixedly. The invention has simple structure, but can only do torsion resistance test with few functions.
Disclosure of Invention
The invention aims to overcome the defect of few functions in the prior art and provides a bending and twisting integrated testing machine for a post insulator.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a post insulator bending and torsion integrated testing machine, includes the bottom plate, still includes the stand of a plurality of bottom rigid couplings on the bottom plate, connect the lifter plate on the stand, two ring flanges that are used for rigid coupling post insulator both ends of arranging from top to bottom, be located the torsion motor on the bottom plate, be used for applying lateral pressure's first electric jar for post insulator, be located the lifter plate be used for post insulator measurement torque's torque sensor, be located being used for post insulator measurement pressure's pressure sensor on the first electric jar, the ring flange rigid coupling of upside is in the lifter plate below, and the ring flange of downside is connected with torsion motor, the rigid coupling has the guide bar on the bottom plate, the guide bar pass the lifter plate and with lifter plate. The two ends of the post insulator are fixedly connected to the flange plate, when the torsion resistance performance is to be tested, the torsion motor operates to apply torque, the torque sensor is mature in the prior art, the torque sensor measures the torsion strength, when the bending resistance performance is to be tested, the first electric cylinder operates to apply pressure to the post insulator, and the pressure sensor measures the bending strength, so that the two functions are integrated into a whole and the multifunctional testing machine is multifunctional.
Preferably, the lifting plate is connected to the stand in a sliding manner, the lifting plate is connected with a lifting device used for lifting the lifting plate, the stand is connected with a sliding block in a sliding manner, the first electric cylinder is fixedly connected to the sliding block, and the bottom plate is provided with a second electric cylinder used for lifting the sliding block. The lifting device and the second electric cylinder can adjust the heights of the lifting plate and the first electric cylinder so as to adapt to the post insulators with different lengths.
Preferably, elevating gear includes the roof of rigid coupling on stand top, it is connected with the lifting cover to rotate on the roof, wear to be equipped with the lead screw on the lifting cover, lead screw and lifting cover threaded connection, lead screw bottom and lifter plate rigid coupling, the rigid coupling has spacing arch and the gear coaxial with the lifting cover on the lifting cover, the roof is located between gear and the spacing arch, gear engagement has the drive wheel, the drive wheel is connected with the motor. The structure is simple.
Preferably, the following scheme can be adopted for the lifting device: the lifting device is a third electric cylinder, the bottom end of the third electric cylinder is fixedly connected to the bottom plate, and the top end of the third electric cylinder is connected with the lifting plate.
Preferably, the top end of the upright post is connected with a balance weight beam, the lifting plate is connected to the upright post in a sliding mode, the lifting plate is connected with a pull rope, the balance weight beam is connected with a steering wheel in a rotating mode, and one end, far away from the lifting plate, of the pull rope bypasses the upper side of the steering wheel and is hung with a balance weight used for balancing the weight of the lifting plate. The balance beam is used for supporting the steering wheel.
Preferably, the number of the steering wheels is two, the number of the balance blocks is one, the number of the pull ropes is two, the lifting plate is of a rectangular structure, the connecting points of the pull ropes and the lifting plate are symmetrical about the center of mass of the lifting plate, the pull ropes are vertical to two sides of the steering wheels, and the connecting points of the pull ropes and the lifting plate are symmetrical about the center of mass of the balance blocks. Symmetrical arrangement for the stay cord does not produce the moment of flexure to the lifter plate to the pulling force of lifter plate, thereby avoids producing the resistance between lifter plate and the stand, and in the same way, the stay cord does not produce the moment of flexure to the balancing piece, is favorable to keeping the stability of balancing piece and lifter plate.
Preferably, one side of the flange far away from the other flange is provided with a clamp mechanism, the torque sensor is fixedly connected to the lower side of the lifting plate, the clamp mechanism corresponding to the flange on the upper side is fixedly connected to the lower side of the torque sensor, the flange on the upper side is fixedly connected with the corresponding clamp mechanism, the clamp mechanism corresponding to the flange on the lower side is connected to the torsion motor, the flange on the lower side is fixedly connected with the corresponding clamp mechanism, the clamp mechanism comprises a main body, one side of the main body near the flange is provided with a groove, the flange is fixedly connected with a connecting rod at the position corresponding to the groove, one end of the connecting rod far away from the flange is connected with a convex block, the connecting rod and the convex block are positioned in the groove, the inner side wall of the groove is provided with a plurality of clamping, the recess inside wall corresponds the position at the clamp splice and is equipped with the spout, clamp splice sliding connection is in the spout, the main part outer fringe face corresponds the position at the clamp splice and inserts and be equipped with the slide bar, the one end and the clamp splice rigid coupling that the slide bar inserted the main part, the slide bar other end is located the main part and the rigid coupling has the adjusting plate outward, the cover is equipped with the spring on the slide bar, spring one end is connected in the main part, the spring other end is connected on the adjusting plate, wear to be equipped with adjusting bolt on the adjusting plate, adjusting bolt's double-screw bolt and main part threaded connection. For another post insulator, the end part of the post insulator is not of a flange structure, a second connecting rod and a second lug are fixedly connected to the end part of the post insulator, the second connecting rod is similar to a connecting rod on a flange, and the second lug is similar to a lug on the flange, so that when the post insulator is fixed, the flange is directly taken off, then the second connecting rod and the second lug are directly inserted into the groove, and then the adjusting bolt is screwed for fixing.
Preferably, the number of the clamping blocks is at least three, the clamping blocks are distributed in an annular array by using the shaft of the connecting rod, and threads are arranged on one side, close to the connecting rod, of the clamping blocks. The number of the clamping blocks is increased, and the clamping effect is enhanced.
The invention has the beneficial effects that: the invention provides a bending and twisting integrated testing machine for a post insulator. The structure is simple, the torsion resistance and the bending resistance of the post insulator can be tested, and the post insulators at different ends can be tested.
Drawings
FIG. 1 is a schematic view of example 1;
FIG. 2 is a schematic view of example 2;
FIG. 3 is an enlarged view taken at A in FIG. 2;
FIG. 4 is a cross-sectional view B-B of FIG. 3;
fig. 5 is a schematic view of embodiment 2 after another post insulator is installed.
In the figure: the device comprises a vertical column 1, a lifting plate 2, a post insulator 3, a flange plate 4, a torsion motor 5, a first electric cylinder 6, a second electric cylinder 7, a torque sensor 8, a pressure sensor 9, a lifting sleeve 10, a lead screw 11, a limiting bulge 12, a gear 13, a pull rope 14, a balance weight beam 15, a driving wheel 16, a steering wheel 17, a balance weight 18, a main body 19, a groove 20, a clamping block 21, a sliding rod 22, an adjusting plate 23, a sliding groove 24, a connecting rod 25, a convex block 26, a guide rod 27, a bottom plate 28, a sliding block 29, a second connecting rod 30 and a second convex block 31.
Detailed Description
The invention is explained in further detail below with reference to the figures and the detailed description:
example 1:
fig. 1 shows an embodiment, a bending and twisting integrated testing machine for a post insulator, which includes a bottom plate 28, and further includes a plurality of vertical columns 1 with bottom ends fixedly connected to the bottom plate 28, a lifting plate 2 connected to the vertical columns 1, two vertically arranged flange plates 4 for fixedly connecting two ends of the post insulator 3, a twisting motor 5 located on the bottom plate 28, a first electric cylinder 6 for applying lateral pressure to the post insulator 3, a torque sensor 8 located on the lifting plate 2 for measuring torque to the post insulator 3, and a pressure sensor 9 located on the first electric cylinder 6 for measuring pressure to the post insulator 3, wherein the flange plate 4 on the upper side is fixedly connected below the lifting plate 2, the flange plate 4 on the lower side is connected to the twisting motor 5, the bottom plate 28 is fixedly connected to a guide rod 27, and the guide rod 27 passes through the lifting plate 2 and is slidably connected to the lifting plate 2; the lifting plate 2 is connected to the upright post 1 in a sliding manner, the lifting plate 2 is connected with a lifting device for lifting the lifting plate 2, the upright post 1 is connected with a sliding block 29 in a sliding manner, the first electric cylinder 6 is fixedly connected to the sliding block 29, and the bottom plate 28 is provided with a second electric cylinder 7 for lifting the sliding block 29; the lifting device comprises a top plate fixedly connected to the top end of the upright post 1, a lifting sleeve 10 is rotatably connected to the top plate, a lead screw 11 penetrates through the lifting sleeve 10, the lead screw 11 is in threaded connection with the lifting sleeve 10, the bottom end of the lead screw 11 is fixedly connected with the lifting plate 2, a limiting bulge 12 and a gear 13 which are coaxial with the lifting sleeve 10 are fixedly connected to the lifting sleeve 10, the top plate is located between the gear 13 and the limiting bulge 12, the gear 13 is meshed with a driving wheel 16, and the driving wheel 16 is connected with a motor; another scheme of the lifting device is as follows: and a third electric cylinder is adopted, the bottom end of the third electric cylinder is fixedly connected on the bottom plate 28, and the top end of the third electric cylinder is connected with the lifting plate 2.
The principle of the embodiment is as follows:
the two ends of the post insulator 3 are used for connecting hardware, the shapes of the two ends of the post insulator 3 are various, wherein one end part of the post insulator 3 is of a flange structure, the torque sensor 8 is fixedly connected to the lower side of the lifting plate, the flange plate 4 on the upper side is fixedly connected to the lower side of the torque sensor 8, the flange plate 4 is connected with the end part of the post insulator 3 through a bolt, the lifting device lifts the lifting plate, so that the distance between the two flange plates 4 is adjusted to the size of the post insulator 3, the end part of the post insulator 3 is fixedly connected with the flange plate 4, when the torsional resistance of the post insulator 3 is measured, the torsion motor 5 operates, the post insulator 3 bears the torque, the torque sensor 8 finally measures the torsional strength of the post insulator 3, when the flexural resistance of the post insulator 3 is measured, the second electric cylinder operates, the height of the first electric cylinder is adjusted to the midpoint, then the first electric cylinder operates, the pressure sensor 9 is fixedly connected to one end, close to the post insulator 3, of the first electric cylinder, the pressure sensor 9 extrudes the post insulator 3, and finally the bending strength of the post insulator 3 is measured.
When the lifting device is adjusted, the motor rotates to drive the driving wheel 16 to rotate, the gear 13 is driven to rotate, the lifting sleeve 10 is driven to rotate, the lead screw 11 is driven to move up and down, and the lifting plate is driven to move up and down along the upright post.
When the lifting mechanism adopts the scheme of the third electric cylinder, the third electric cylinder operates to drive the lifting plate to move up and down.
Example 2:
as shown in fig. 2-5, a bending and twisting integrated testing machine for post insulators comprises a bottom plate 28, a plurality of vertical columns 1 with bottom ends fixedly connected to the bottom plate 28, a lifting plate 2 connected to the vertical columns 1, two vertically arranged flange plates 4 for fixedly connecting two ends of a post insulator 3, a twisting motor 5 located on the bottom plate 28, a first electric cylinder 6 for applying lateral pressure to the post insulator 3, a torque sensor 8 located on the lifting plate 2 and used for measuring torque to the post insulator 3, and a pressure sensor 9 located on the first electric cylinder 6 and used for measuring pressure to the post insulator 3, wherein the flange plate 4 on the upper side is fixedly connected below the lifting plate 2, the flange plate 4 on the lower side is connected with the twisting motor 5, a guide rod 27 is fixedly connected to the bottom plate 28, and the guide rod 27 passes through the lifting plate 2 and is slidably connected with the lifting plate 2; the number of the upright columns is four, the lifting plate 2 is rectangular, four corners of the lifting plate are connected to the four upright columns in a sliding mode, the top end of the upright column 1 is connected with a balance weight beam 15, the lifting plate 2 is connected to the upright column 1 in a sliding mode, the lifting plate 2 is connected with two pull ropes 14, the balance weight beam 15 is connected with two steering wheels 17 in a rotating mode, the steering wheels 17 correspond to the pull ropes one by one, one end, far away from the lifting plate 2, of each pull rope 14 is connected to one balance block 18 after bypassing the upper side of the corresponding steering wheel 17, the connecting points of the pull ropes 14 and the lifting plate 2 are symmetrical to the mass center of the lifting plate 2, the pull ropes 14 are vertical to two sides of the steering wheels 17, and the connecting points of the pull ropes 14; one side of the flange plate 4, which is far away from the other flange plate 4, is provided with a clamp mechanism, the torque sensor 8 is fixedly connected to the lower side of the lifting plate 2, the clamp mechanism corresponding to the flange plate 4 on the upper side is fixedly connected to the lower side of the torque sensor 8, the flange plate 4 on the upper side is fixedly connected with the corresponding clamp mechanism, the clamp mechanism corresponding to the flange plate 4 on the lower side is connected to the torsion motor 5, the flange plate 4 on the lower side is fixedly connected with the corresponding clamp mechanism, the clamp mechanism comprises a main body 19, one side of the main body 19, which is close to the flange plate 4, is provided with a groove 20, the flange plate 4 is fixedly connected with a connecting rod 25 at the position corresponding to the groove 20, one end of the connecting rod 25, which is far away from the flange plate 4, is connected with a lug 26, the connecting rod 25 and the lug 26, one side of the clamping block 21, which is close to the connecting rod 25, is provided with a thread; the clamp splice 21 is close to connecting rod 25 one side and connecting rod 25 adaptation, lug 26 is located both sides about the clamp splice 21 with ring flange 4, the 20 inside walls of recess correspond the position at clamp splice 21 and are equipped with spout 24, clamp splice 21 sliding connection is in spout 24, 19 outer fringe faces of main part are inserted at clamp splice 21 correspondence position and are equipped with slide bar 22, slide bar 22 inserts main part 19's one end and clamp splice 21 rigid coupling, the slide bar 22 other end is located main part 19 outer and the rigid coupling has adjusting plate 23, the cover is equipped with the spring on the slide bar 22, spring one end is connected on main part 19, the spring other end is connected on adjusting plate 23, wear to be equipped with adjusting bolt on adjusting plate 23, adjusting bolt's double-screw bolt and main part 19 threaded connection.
The principle of the present embodiment is substantially the same as that of embodiment 1, except that the connection method of the upper flange 4 and the torque sensor 8 is different, and the connection method of the lower flange 4 and the torque motor 5 is different, and the following scheme is adopted: the flange 4 on the upper and lower sides is connected with the torque sensor 8 and the torsion motor 5 through the clamp mechanism, when the clamp mechanism is connected with the flange 4, the adjusting plate 23 moves towards the main body 19 by rotating the adjusting bolt, and finally the clamping block 21 is pressed on the connecting rod 25, when the torsion motor 5 rotates, because the clamping block 21 is provided with the screw thread, even if the connecting rod 25 and the clamping block 21 rotate relatively, the connecting rod 25 moves up and down in the groove 20, the connecting rod 25 drives the lug 26 to move up and down, when the lug 26 moves to the groove bottom of the groove 20 or moves to the clamping block 21, the connecting rod 25 can not move continuously, namely, the connecting rod 25 and the clamping block 21 can not rotate relatively any more, and when the connecting rod 25 rotates, the lifting plate can be driven to move up and down slightly, the balance blocks 18 are divided into two blocks, first, the weight of lifter plate is fallen in the equilibrium for post insulator 3 does not receive the pressure of lifter plate, makes post insulator 3 only receive the moment of torsion, and the torsional strength who records accords with the true value more, and in addition, when the lifter plate reciprocated slightly, corresponding displacement also takes place for the lifter plate, and the lifter plate can not post insulator 3 exert pressure all the time.
In addition, for another post insulator 3, the end portion is not a flange structure, and the end portion is fixedly connected with a second connecting rod and a second projection, the second connecting rod 30 is similar to the connecting rod 25 on the flange plate 4, and the second projection 31 is similar to the projection 26 on the flange plate 4, so that when the post insulator 3 is to be fixed, the flange plate 4 is directly taken off, then the second connecting rod and the second projection are directly inserted into the groove 20, and then the adjusting bolt is tightened for fixing.
When the bending strength was measured, the principle was in accordance with example 1.
Claims (8)
1. The utility model provides a post insulator bending and twisting integrated testing machine, includes the bottom plate, its characterized in that, still includes the stand of a plurality of bottom rigid couplings on the bottom plate, connect the lifter plate on the stand, two ring flanges that are used for rigid coupling post insulator both ends of arranging from top to bottom, be located the torsion motor on the bottom plate, be used for applying lateral pressure's first electric jar for post insulator, be located on the lifter plate be used for measuring the torque sensor of moment of torsion for post insulator, be located being used for on the first electric jar for measuring pressure's pressure sensor for post insulator, the ring flange rigid coupling of upside is in the lifter plate below, the ring flange of downside is connected with torsion motor, the rigid coupling has the guide bar on the bottom plate, the guide bar pass the lifter plate and with.
2. The bending and torsion integrated testing machine for the post insulator according to claim 1, wherein the lifting plate is slidably connected to a column, a lifting device for lifting the lifting plate is connected to the lifting plate, a sliding block is slidably connected to the column, the first electric cylinder is fixedly connected to the sliding block, and the bottom plate is provided with a second electric cylinder for lifting the sliding block.
3. The bending and torsion integrated testing machine for the post insulator is characterized in that the lifting device comprises a top plate fixedly connected to the top end of the stand column, a lifting sleeve is rotatably connected to the top plate, a lead screw penetrates through the lifting sleeve and is in threaded connection with the lifting sleeve, the bottom end of the lead screw is fixedly connected with the lifting plate, a limiting protrusion and a gear which are coaxial with the lifting sleeve are fixedly connected to the lifting sleeve, the top plate is located between the gear and the limiting protrusion, a driving wheel is meshed with the gear, and the driving wheel is connected with a motor.
4. The bending and torsion integrated testing machine for the post insulator according to claim 2, wherein the lifting device is a third electric cylinder, the bottom end of the third electric cylinder is fixedly connected to the bottom plate, and the top end of the third electric cylinder is connected to the lifting plate.
5. The bending and torsion integrated testing machine for the post insulator according to claim 1, wherein a balance weight beam is connected to a top end of the column, the lifting plate is slidably connected to the column, a pull rope is connected to the lifting plate, a steering wheel is rotatably connected to the balance weight beam, and a balance weight for balancing the weight of the lifting plate is suspended at one end of the pull rope, which is far away from the lifting plate, after the pull rope is wound from an upper side of the steering wheel.
6. The bending and torsion integrated testing machine for the post insulator according to claim 5, wherein the number of the steering wheels is two, the number of the balance blocks is one, the number of the pulling ropes is two, the lifting plate is of a rectangular structure, the connection points of the pulling ropes and the lifting plate are symmetrical about the center of mass of the lifting plate, the pulling ropes are vertical to both sides of the steering wheels, and the connection points of the pulling ropes and the lifting plate are symmetrical about the center of mass of the balance blocks.
7. The bending and torsion integrated testing machine for the post insulator according to claim 1, 2, 3, 4, 5 or 6, wherein a clamp mechanism is disposed on one side of the flange away from another flange, the torque sensor is fixedly connected to the lower side of the lifting plate, the clamp mechanism corresponding to the flange on the upper side is fixedly connected to the lower side of the torque sensor, the flange on the upper side is fixedly connected to the corresponding clamp mechanism, the clamp mechanism corresponding to the flange on the lower side is connected to the torsion motor, the flange on the lower side is fixedly connected to the corresponding clamp mechanism, the clamp mechanism comprises a main body, a groove is disposed on one side of the main body close to the flange, a connecting rod is fixedly connected to the flange at the position corresponding to the groove, a protrusion is connected to one end of the connecting rod away from the flange, the connecting rod and the protrusion are disposed in the groove, the utility model discloses a clamping piece, including clamping piece, protruding block, flange, adjusting bolt, connecting rod, lug and ring flange, the clamping piece is close to connecting rod one side and connecting rod adaptation, both sides about the protruding block is located the clamping piece with the ring flange, the recess inside wall corresponds the position at the clamping piece and is equipped with the spout, clamping piece sliding connection is in the spout, the main part outer fringe face corresponds the position at the clamping piece and inserts and be equipped with the slide bar, the slide bar inserts the one end and the clamping piece rigid coupling of main part, the slide bar other end is located the main part outer and the rigid coupling has the adjusting plate, the.
8. The bending and torsion integrated testing machine for the post insulator according to claim 7, wherein the number of the clamping blocks is at least three, the clamping blocks are distributed in an annular array by using the shaft of the connecting rod, and threads are arranged on one side of each clamping block, which is close to the connecting rod.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910832779.6A CN110646298B (en) | 2019-09-04 | 2019-09-04 | Bending and twisting integrated testing machine for post insulator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910832779.6A CN110646298B (en) | 2019-09-04 | 2019-09-04 | Bending and twisting integrated testing machine for post insulator |
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| CN110646298A true CN110646298A (en) | 2020-01-03 |
| CN110646298B CN110646298B (en) | 2021-12-28 |
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Cited By (5)
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| CN111474064A (en) * | 2020-03-18 | 2020-07-31 | 江苏亨通海洋光网系统有限公司 | Cable torsion bending tester |
| CN112557187A (en) * | 2020-11-20 | 2021-03-26 | 国网福建省电力有限公司电力科学研究院 | Mechanical property test device for isolator insulator |
| CN113532525A (en) * | 2021-07-13 | 2021-10-22 | 江苏祥源电气设备有限公司 | Multifunctional testing system for insulator |
| CN113702159A (en) * | 2021-09-02 | 2021-11-26 | 固力发电气有限公司 | Energy-saving detection equipment for composite insulator production |
| CN114334409B (en) * | 2022-01-06 | 2023-07-07 | 国网安徽省电力有限公司经济技术研究院 | Installation angle adjusting equipment and installation method for busbar post insulator of transformer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113532525B (en) * | 2021-07-13 | 2024-02-06 | 江苏祥源电气设备有限公司 | Multifunctional testing system for insulator |
| CN113702159A (en) * | 2021-09-02 | 2021-11-26 | 固力发电气有限公司 | Energy-saving detection equipment for composite insulator production |
| CN113702159B (en) * | 2021-09-02 | 2023-11-10 | 固力发电气有限公司 | Energy-saving type detection equipment for composite insulator production |
| CN114334409B (en) * | 2022-01-06 | 2023-07-07 | 国网安徽省电力有限公司经济技术研究院 | Installation angle adjusting equipment and installation method for busbar post insulator of transformer |
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| CN110646298B (en) | 2021-12-28 |
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