CN112763169A - Horizontally-arranged insulator wind vibration simulation test device - Google Patents
Horizontally-arranged insulator wind vibration simulation test device Download PDFInfo
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- CN112763169A CN112763169A CN202011388692.3A CN202011388692A CN112763169A CN 112763169 A CN112763169 A CN 112763169A CN 202011388692 A CN202011388692 A CN 202011388692A CN 112763169 A CN112763169 A CN 112763169A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/022—Vibration control arrangements, e.g. for generating random vibrations
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/025—Measuring arrangements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The invention provides a horizontal insulator wind vibration simulation test device, which comprises: the supporting device is used for supporting and fixing the low-voltage end of the insulator; the load applying device is arranged at the high-voltage end of the insulator and is used for supporting the high-voltage end of the insulator; and the control system is connected with the load applying device and is used for controlling the load applying device to apply dynamic load to the insulator. According to the invention, the supporting device and the load applying device respectively support two ends of the insulator, so that the insulator is in a horizontal state, the actual working condition of the insulator can be simulated, the supporting device fixes the low-voltage end of the insulator, and the control system controls the load applying device to apply dynamic load to the high-voltage end of the insulator, so that the insulator is subjected to a wind vibration fatigue test under the dynamic load, and the wind vibration fatigue performance of the insulator under the dynamic load is further determined.
Description
Technical Field
The invention relates to the technical field of power transmission and transformation engineering, in particular to a horizontally-arranged insulator wind vibration simulation test device.
Background
The long cantilever large-diameter composite insulator (comprising a line column type composite insulator and a wall bushing) bears static load (the line column type composite insulator bears the weight of a lead and the wall bushing bears the self weight) in operation, and also bears dynamic load of wind power and vibrates periodically at a certain frequency. Under dynamic load, the long cantilever large-diameter composite insulator is subjected to periodic bending moment force to affect the end sealing and the interface (including the connection of a silicon rubber umbrella sleeve with the epoxy glass fiber reinforced plastic and the epoxy glass fiber reinforced plastic inside layer), once the sealing is damaged to cause water vapor to enter or the interface is separated to cause internal partial discharge, the operation of the large-diameter composite insulator is damaged or even punctured, and the safe operation of a power grid is seriously affected. Therefore, vibration fatigue tests are required for the insulator and the wire, however, static loads can be calculated and checked during the design of the large-diameter insulator, and dynamic loads cannot be designed and calculated and checked.
Disclosure of Invention
In view of the above, the invention provides a horizontally arranged insulator wind vibration simulation test device, and aims to solve the problem that a vibration fatigue test of an insulator under a dynamic load cannot be performed in the prior art.
The invention provides a horizontal insulator wind vibration simulation test device, which comprises: the supporting device is used for supporting and fixing the low-voltage end of the insulator; the load applying device is arranged at the high-voltage end of the insulator and is used for supporting the high-voltage end of the insulator; and the control system is connected with the load applying device and is used for controlling the load applying device to apply dynamic load to the insulator.
Further, the above-mentioned insulator wind vibration analogue test device of horizontal arrangement still includes: the body is arranged below the insulator in parallel; the load applying device is connected with the body in a position-adjustable manner so as to adapt to the length of the insulator.
Further, the above-mentioned insulator wind vibration analogue test device of horizontal arrangement still includes: the body of the sliding block is provided with a sliding groove extending along the length direction of the insulator, the sliding block is slidably arranged in the sliding groove, and the sliding block is detachably connected with the load applying device when sliding to any position.
Furthermore, in the horizontally arranged insulator wind vibration simulation test device, a groove is formed in one surface of the body facing the insulator, an inward concave portion is formed in the bottom of the groove, the radial size of the concave portion is larger than that of the groove, and a sliding groove is formed by the groove and the concave portion; the slider is the screw rod, and the top of screw rod is provided with spacing portion, and the recess is worn to locate by the screw rod, and spacing portion slidable inlays to locate in the portion is established to the concave, and the screw rod is applyed the device looks spiro union with the load.
Further, in the above-mentioned insulator wind vibration analogue test device of horizontal arrangement, the spout is two and arranges side by side, and the slider is two, and two sliders and two spouts one-to-one correspond.
Further, in the above-mentioned insulator wind vibration analogue test device of horizontal arrangement, the load applying device includes: the base is connected with the body in a position-adjustable manner; the actuator is connected with the base and the control system and is used for applying dynamic load to the insulator under the control of the control system; the piston guide sleeve is connected with the driving end of the actuator; and the adjusting mechanism is arranged between the piston guide sleeve and the high-voltage end of the insulator.
Furthermore, in the insulator wind vibration simulation test device arranged horizontally, the adjusting mechanism is a hinge device, one end of the hinge device is rotatably connected with the piston guide sleeve, and the other end of the hinge device is connected with the high-voltage end of the insulator.
Further, the above-mentioned insulator wind vibration analogue test device of horizontal arrangement still includes: the input device is used for inputting dynamic load parameters; the control system is electrically connected with the input device and used for controlling the load applying device to apply dynamic load to the insulator according to the dynamic load parameters.
Further, among the above-mentioned insulator wind vibration analogue test device of horizontal arrangement, strutting arrangement includes: a support body; and the matching mechanism is connected with the support body and the low-voltage end of the insulator so as to adapt to the diameter of the insulator.
Further, among the above-mentioned insulator wind vibration analogue test device of horizontal arrangement, matching mechanism includes: the keysets, detachably sets up in the supporter, and the keysets is provided with at least one annular and encircles, and every annular encircles and all includes: the insulator is characterized in that the insulator is provided with a plurality of bolt holes distributed circumferentially, a flange plate is arranged at the low-voltage end of the insulator, and the through holes in the flange plate correspond to the bolt holes in any one annular ring one by one and are connected through bolts.
According to the invention, the supporting device and the load applying device respectively support two ends of the insulator, so that the insulator is in a horizontal state, the actual working condition of the insulator can be simulated, the supporting device fixes the low-voltage end of the insulator, and the control system controls the load applying device to apply dynamic load to the high-voltage end of the insulator, so that the insulator is subjected to wind vibration fatigue test under the dynamic load, the wind vibration fatigue performance of the insulator under the dynamic load is further determined, and the problem that the vibration fatigue test of the insulator under the dynamic load cannot be performed in the prior art is solved.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic structural diagram of a horizontally-arranged insulator wind vibration simulation test device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a supporting device in a horizontally-arranged insulator wind vibration simulation test device according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an adapter plate in the horizontally arranged insulator wind vibration simulation test apparatus according to the embodiment of the present invention;
fig. 4 is a schematic structural diagram of a body in the horizontally-arranged insulator wind vibration simulation test device provided in the embodiment of the present invention;
fig. 5 is a schematic structural diagram of a load applying device in the horizontally-arranged insulator wind vibration simulation test device according to the embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a horizontally arranged insulator wind vibration simulation test apparatus according to an embodiment of the present invention. The insulator wind vibration simulation test device arranged horizontally is used for applying dynamic load to the insulator 4 so as to detect the vibration fatigue performance of the insulator 4 under the dynamic load, wherein the insulator 4 can be a long-cantilever large-diameter composite insulator. The dynamic loading may include: the wind dynamic load may also include other dynamic loads, and this embodiment does not limit this. The dynamic load is in this embodiment specifically a wind dynamic load.
As shown in the figure, the insulator wind vibration simulation test device of horizontal arrangement includes: a support device 1, a load applying device 2 and a control system 3. The supporting device 1 is used for supporting and fixing the low-voltage end of the insulator 4. The load applying device 2 is arranged at the high-voltage end of the insulator 4, and the load applying device 2 is used for supporting the high-voltage end of the insulator 4 and applying dynamic load to the high-voltage end of the insulator 4. Specifically, the insulator 4 is in a horizontal state supported by the supporting device 1 and the load applying device 2, and the load applying device 2 is perpendicular to the insulator 4.
The control system 3 is connected with the load applying device 2, and the control system 3 is used for controlling the load applying device 2 to apply dynamic load to the insulator 4. Specifically, the control system 3 controls the load applying device 2 according to the dynamic load parameters, and then the load applying device 2 applies a load perpendicular to the insulator 4 with a certain frequency and a certain vibration amplitude to the high-voltage end of the insulator 4, so as to simulate the action of wind load under the actual operation condition. The dynamic loading parameters may include: the vibration frequency, amplitude, vibration waveform and force magnitude may also include other parameters, which is not limited in this embodiment.
The insulator wind vibration simulation test device of horizontal arrangement can also include: an input device. The input device is used for inputting dynamic load parameters. Specifically, the input device may be a keyboard, a touch screen, or the like, which is not limited in this embodiment. The control system 3 is electrically connected with the input device, and the control system 3 is used for controlling the load applying device 2 to apply dynamic load to the insulator 4 according to the received dynamic load parameters.
It can be seen that, in this embodiment, strutting arrangement 1 and load apply device 2 support the both ends of insulator 4 respectively for insulator 4 is the horizontality, can simulate the operating condition of insulator 4, strutting arrangement 1 fixes the low pressure end of insulator 4, control system 3 control load apply device 2 applies dynamic load to the high-pressure end of insulator 4, in order to realize insulator 4 carries out wind vibration fatigue test under dynamic load, and then confirm the wind vibration fatigue performance of insulator 4 under dynamic load, the problem that can't carry out the vibration fatigue test of insulator under dynamic load among the prior art is solved.
Referring to fig. 1 and 4, in the above embodiment, the horizontally arranged insulator wind vibration simulation test apparatus may further include: a body 5. Wherein, the body 5 is arranged below the insulator 4 in parallel. Specifically, the body 5 is parallel to the insulator 4, and a certain distance is provided between the body 5 and the insulator 4, and the distance can be determined according to actual conditions, which is not limited in this embodiment. The length direction of the body 5 coincides with the length direction of the insulator 4, one end of the body 5 may be connected with the supporting device 1, and the body 5 may be connected with the ground to ensure the stability of the body 5.
The load applying means 2 is adjustably connected to the body 5 to accommodate the length of the insulator 4. Specifically, the load applying device 2 is adjusted in position on the body 5 according to the length of the insulator 4 so that the load applying device 2 can be connected to the high-voltage end of the insulator 4.
The insulator wind vibration simulation test device of horizontal arrangement can also include: a slider (not shown). Wherein, the body 5 is provided with a sliding groove 51, and the sliding groove 51 extends along the length direction of the insulator 4. Since the longitudinal direction of the body 5 coincides with the longitudinal direction of the insulator 4, the slide groove 51 extends in the longitudinal direction of the body 5. The slide block is slidably arranged in the slide groove 51 and is detachably connected with the load applying device 2 when the slide block slides to any one position, so that the load applying device 2 is connected with the body 5 in a position-adjustable manner.
Preferably, a surface of the body 5 facing the insulator 4 is provided with a groove 511, specifically, a surface of the body 5 facing the insulator 4 is referred to as a top surface (an upper surface shown in fig. 4) of the body 5, a surface of the body 5 away from the insulator 4 is referred to as a bottom surface (a lower surface shown in fig. 4) of the body 5, and the bottom surface of the body 5 is connected to the ground. The groove 511 is opened on the top surface of the body 5, and the groove 511 is recessed toward the bottom surface of the body 5. The top of the groove 511 corresponds to the top surface of the body 5 and is an open end, the bottom of the groove 511 is provided with an inwardly recessed concave portion 512, the concave portion 512 is recessed continuously toward the bottom surface of the body 5, the radial dimension (the dimension from left to right shown in fig. 4) of the concave portion 512 is greater than the radial dimension (the dimension from left to right shown in fig. 4) of the groove 511, and then the groove 511 and the concave portion 512 form a sliding groove 51 with an inverted "T" shaped cross section.
The sliding block can be a screw rod, the top of the screw rod is provided with a limiting part, the limiting part is perpendicular to the screw rod, and the limiting part and the screw rod form a T shape. The screw rod penetrates through the groove 511, and the limiting part is slidably embedded in the concave part 512, namely the screw rod and the limiting part can slide in the inverted T-shaped sliding groove 51 along the length direction of the sliding groove 51. When the screw slides to a certain position, the screw is screwed with the load applying device 2.
Preferably, there are two sliding grooves 51, and the two sliding grooves 51 are arranged in parallel and are both disposed on the body 5. The number of the sliding blocks is two, the two sliding blocks correspond to the two sliding grooves 51 one by one, and each sliding block slides in the corresponding sliding groove 51.
In specific implementation, the longest length of the insulator 4 may be 12m, and the shortest length may be 2 m.
It can be seen that, in this embodiment, the slider slides in the chute 51 of the body 5, and when sliding to a certain position, the slider is detachably connected with the load applying device 2, so as to adapt to the length of the insulator 4, and further apply dynamic load to the high-voltage end of the insulator 4, and the structure is simple and convenient to implement.
Referring to fig. 5, in the above embodiments, the load applying device 2 may include: a base 21, an actuator 22, a piston guide sleeve 23 and an adjusting mechanism. Wherein, base 21 is connected with 5 position adjustablely of body, specifically, base 21 is connected with slider detachably, more specifically, has seted up the through-hole on the base 21 to be provided with the screw hole on the base 21, the screw rod wears to locate the through-hole and with the screw hole spiro union.
An actuator 22 is connected to the base 21 and the actuator 22 is connected to the control system 3, the actuator 22 being adapted to apply a dynamic load to the insulator 4 under the control of the control system 3. The piston guide sleeve 23 is connected to the driving end of the actuator 22, specifically, the actuator 22 is disposed above the base 21 (with respect to fig. 5), the piston guide sleeve 23 is disposed above the actuator 22 (with respect to fig. 5), and the actuator 22 drives the movable guide sleeve to move up and down (with respect to fig. 5).
The adjusting mechanism is arranged between the piston guide sleeve 23 and the high-voltage end of the insulator 4, and is used for relieving the impact of the piston guide sleeve 23 on the insulator 4 when dynamic load is applied to the insulator 4, so that the actuator 22 and the piston guide sleeve 23 are prevented from being damaged. Preferably, the adjusting mechanism is a hinge device 24, one end (lower end shown in fig. 5) of the hinge device 24 is rotatably connected with the piston guide sleeve 23, and the other end (upper end shown in fig. 5) of the hinge device 24 is connected with the high-voltage end of the insulator 4, so that the piston inside the actuator 22 is prevented from being damaged due to the long-term action of a non-vertical micro-deviation force.
In one embodiment, the actuator 22 may be a hydraulic servo actuator and the control system 3 may be a hydraulic servo control system. The hydraulic servo control system may include: the specific structure of the controller, the hydraulic pump station and the cooling device can be referred to in the prior art, and the detailed description of the embodiment is omitted here.
It can be seen that, in the present embodiment, the load applying device 2 has a simple structure and is easy to implement.
Referring to fig. 1 to 3, in each of the above embodiments, the supporting device 1 may include: a support body 11 and a matching mechanism. The matching mechanism is connected with the support body 11 and the low-voltage end of the insulator 4 to adapt to the diameter of the insulator 4, so that the matching mechanism can adapt to insulators 4 of various diameters, and the application range is expanded.
The matching mechanism may include: an interposer 12. Wherein, adapter plate 12 detachably sets up in supporter 11, and adapter plate 12 is provided with at least one annular and encircles 14, and every annular encircles 14 and all includes: a plurality of bolt holes 141 distributed circumferentially, and a flange plate is arranged at the low-voltage end of the insulator 4, and each through hole on the flange plate corresponds to and is connected with each bolt hole 141 in any one of the annular rings 14 by a bolt.
In particular, the support body 11 may be provided with a U-shaped steel plate 13, the U-shaped steel plate 13 being connected with an adapter plate 12, the adapter plate 12 being bolted to a flange plate on the low-voltage end of the insulator 4. The center of each annular ring 14 is aligned with the center of the adapter plate 12, and the diameter of each annular ring 14 gradually increases from the center of the adapter plate 12 to the outer side, that is, each annular ring 14 is sleeved from the center of the adapter plate 12 to the outer side in sequence. The bolt holes 141 in each annular ring 14 are evenly distributed in the circumferential direction of the annular ring 14. The flange plate is connected with each bolt hole 141 on the corresponding annular ring 14 through bolts.
In particular, the supporting body 11 may be a shear wall.
It can be seen that, in this embodiment, the supporting body 11 plays a supporting role, and the bolt holes on the flange of the insulator 4 are connected with the corresponding bolt holes 141 on the annular ring 14 on the adapter plate 12 through bolts, so that the insulator 4 with various diameters can be adapted, and the application range of the device is expanded.
In summary, in this embodiment, the supporting device 1 and the load applying device 2 respectively support two ends of the insulator 4, so that the insulator 4 is in a horizontal state, and an actual working condition of the insulator 4 can be simulated, the supporting device 1 fixes a low-voltage end of the insulator 4, and the control system 3 controls the load applying device 2 to apply a dynamic load to a high-voltage end of the insulator 4, so as to achieve a wind vibration fatigue test of the insulator 4 under the dynamic load, and further determine the wind vibration fatigue performance of the insulator 4 under the dynamic load, and the device can perform tests on large-diameter composite insulators with different diameters and lengths, thereby expanding a use range.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention 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 of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. The utility model provides a horizontal insulator wind vibration analogue test device who arranges which characterized in that includes:
the supporting device (1) is used for supporting and fixing the low-voltage end of the insulator (4);
the load applying device (2) is arranged at the high-voltage end of the insulator (4) and is used for supporting the high-voltage end of the insulator (4);
and the control system (3) is connected with the load applying device (2) and is used for controlling the load applying device (2) to apply dynamic load to the insulator (4).
2. The horizontally arranged insulator wind vibration simulation test device according to claim 1, further comprising:
a body (5) arranged below the insulator (4) in parallel;
the load applying device (2) is connected with the body (5) in a position-adjustable manner so as to adapt to the length of the insulator (4).
3. The horizontally arranged insulator wind vibration simulation test device according to claim 2, further comprising:
the sliding block is arranged on the body (5) and is provided with a sliding groove (51) extending along the length direction of the insulator (4), the sliding block is slidably arranged on the sliding groove (51), and the sliding block is detachably connected with the load applying device (2) when sliding to any position.
4. The horizontally-arranged insulator wind vibration simulation test device according to claim 3,
a groove (511) is formed in one surface, facing the insulator (4), of the body (5), an inward concave portion (512) is formed in the bottom of the groove (511), the radial size of the concave portion (512) is larger than that of the groove (511), and the groove (511) and the concave portion (512) form the sliding groove (51);
the slider is the screw rod, the top of screw rod is provided with spacing portion, the screw rod wears to locate recess (511), but spacing portion slidable ground inlays locates in the portion (512) is established to the recess, the screw rod with device (2) looks spiro union is applyed to the load.
5. The horizontally-arranged insulator wind vibration simulation test device according to claim 3 or 4, wherein the number of the sliding grooves (51) is two, the sliding blocks are arranged in parallel, and the two sliding blocks correspond to the two sliding grooves (51) one by one.
6. The horizontally arranged insulator wind vibration simulation test device according to any one of claims 2 to 4, wherein the load applying device (2) comprises:
a base (21) connected to the body (5) in a position-adjustable manner;
an actuator (22) connected to the base (21) and to the control system (3) for applying a dynamic load to the insulator (4) under the control of the control system (3);
the piston guide sleeve (23) is connected with the driving end of the actuator (22);
and the adjusting mechanism is arranged between the piston guide sleeve (23) and the high-voltage end of the insulator (4).
7. The horizontally arranged insulator wind vibration simulation test device according to claim 6, wherein the adjusting mechanism is a hinge device (24), one end of the hinge device (24) is rotatably connected with the piston guide sleeve (23), and the other end of the hinge device (24) is connected with the high-voltage end of the insulator (4).
8. The horizontally arranged insulator wind vibration simulation test device according to claim 1, further comprising:
the input device is used for inputting dynamic load parameters;
the control system (3) is electrically connected with the input device and used for controlling the load applying device (2) to apply dynamic load to the insulator (4) according to the dynamic load parameters.
9. The horizontally arranged insulator wind vibration simulation test device according to claim 1, wherein the supporting device (1) comprises:
a support body (11);
and the matching mechanism is connected with the support body (11) and the low-voltage end of the insulator (4) so as to adapt to the diameter of the insulator (4).
10. The horizontally arranged insulator wind vibration simulation test device according to claim 9, wherein the matching mechanism comprises:
an adapter plate (12) detachably arranged to the support body (11), the adapter plate (12) being provided with at least one annular ring (14), each annular ring (14) comprising: the insulator is characterized in that the insulator is provided with a plurality of bolt holes (141) which are distributed circumferentially, a flange plate is arranged at the low-voltage end of the insulator (4), and each through hole in the flange plate corresponds to each bolt hole (141) in any one annular ring (14) one by one and is connected with the bolt holes through bolts.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011388692.3A CN112763169B (en) | 2020-12-01 | 2020-12-01 | Wind vibration simulation test device for horizontally arranged insulators |
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| CN202011388692.3A CN112763169B (en) | 2020-12-01 | 2020-12-01 | Wind vibration simulation test device for horizontally arranged insulators |
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| CN112763169B CN112763169B (en) | 2023-05-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116754911A (en) * | 2023-08-17 | 2023-09-15 | 江苏新亚高电压测试设备有限公司 | Intelligent insulation test device |
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| CN206627276U (en) * | 2017-03-30 | 2017-11-10 | 国网新疆电力公司电力科学研究院 | Composite insulator fatigue property test device |
| CN110987653A (en) * | 2019-11-08 | 2020-04-10 | 浙江华电器材检测研究所有限公司 | Bending fatigue resistance testing method for 500kV wind deflection prevention jumper wire insulator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116754911A (en) * | 2023-08-17 | 2023-09-15 | 江苏新亚高电压测试设备有限公司 | Intelligent insulation test device |
| CN116754911B (en) * | 2023-08-17 | 2023-10-31 | 江苏新亚高电压测试设备有限公司 | Intelligent insulation test device |
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