CN116027246A - Multi-station voltage and current transformer testing device - Google Patents
Multi-station voltage and current transformer testing device Download PDFInfo
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- CN116027246A CN116027246A CN202310326725.9A CN202310326725A CN116027246A CN 116027246 A CN116027246 A CN 116027246A CN 202310326725 A CN202310326725 A CN 202310326725A CN 116027246 A CN116027246 A CN 116027246A
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- toothed ring
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
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Abstract
The invention relates to the technical field of transformer testing and discloses a multi-station voltage and current transformer testing device which comprises a base, wherein a frame body is arranged at the top of the base, one side of the frame body is provided with a testing terminal, the testing terminal is used for being matched with a wiring terminal of a transformer, the top of the frame body is provided with a wire coil, a wire is wound on the wire coil, a half-toothed ring is rotatably arranged in the frame body, one side of the end part of the half-toothed ring is provided with a connecting block, one end of the wire is clamped and fixed by the connecting block, a testing tool is arranged at the top of the base, a fixing clamp is fixedly arranged at the top of the testing tool and used for keeping the state of the transformer Cheng Shuiping, and the central axis of the half-toothed ring is perpendicular to the central axis of an inner circular hole of the transformer; according to the invention, the travelling mechanism travels along the annular track to pull the wire winding to deviate, so that the relative positions of the wire winding and the internal winding of the transformer are changed, and the influence of the change of the relative positions of the windings on the test result is obtained through testing.
Description
Technical Field
The invention relates to the field of transformer testing, in particular to a multi-station voltage and current transformer testing device.
Background
Along with the development of market economy, electric energy metering detection projects and tasks become heavier and more, the work intensity becomes higher and more, and the reliability of the verification result and the safety of the verification process of the traditional current transformer verification equipment are difficult to be effectively ensured;
the traditional transformer has a test that needs to adjust the different transformation ratios of the transformer, and then whether the transformer under the different transformation ratios meets the standard is measured, but the current transformer transformation ratio adjustment mode mainly adjusts the transformation ratio of the transformer by manually increasing or decreasing the number of turns of wires penetrating the transformer, and the mode has low automation degree, complicated manual operation, greatly enhances the labor intensity and reduces the working efficiency.
Disclosure of Invention
The invention provides a multi-station voltage and current transformer testing device, which solves the technical problem that the testing device in the related art cannot automatically adjust the transformation ratio of a transformer.
The invention provides a multi-station voltage and current transformer testing device which comprises a base, wherein a frame body is arranged at the top of the base, one side of the frame body is provided with a testing terminal, the testing terminal is used for being matched with a wiring terminal of a transformer, a wire coil is arranged at the top of the frame body, a wire coil is wound on the wire coil, a half-toothed ring is rotatably arranged in the frame body, a connecting block is arranged at one side of the end part of the half-toothed ring, one end of the wire is clamped and fixed by the connecting block, a testing tool is arranged at the top of the base, a fixing clamp is fixedly arranged at the top of the testing tool and used for keeping the state of the transformer Cheng Shuiping, the central axis of the half-toothed ring is perpendicular to the central axis of an inner circular hole of the transformer, the half-toothed ring rotates to drive the wire to alternately wind the inner ring and the outer ring of the transformer, a load circuit is further arranged in the frame body, and the wire is connected with the load circuit in series.
In a preferred embodiment, the half-toothed ring is an insulating material member, the connecting block is a conductive material member, when the half-toothed ring rotates, the connecting block drives the end part of the wire to be connected with the load circuit, a plurality of gears are installed in the frame body and are respectively in rolling contact with the inner ring surface and the outer ring surface of the half-toothed ring, a driving gear is further rotatably installed in the frame body and meshed with the half-toothed ring, and the driving gear drives the half-toothed ring to rotate.
In a preferred embodiment, the half-toothed ring is an insulating material member, the connecting block is a conductive material member, when the half-toothed ring rotates, the connecting block drives the end part of the wire to be connected with the load circuit, a plurality of gears are installed in the frame body and are respectively in rolling contact with the inner ring surface and the outer ring surface of the half-toothed ring, a driving gear is further rotatably installed in the frame body and meshed with the half-toothed ring, and the driving gear drives the half-toothed ring to rotate.
In a preferred embodiment, the gear teeth are formed on the inner side of the annular rail, the travelling mechanism comprises a travelling frame, an outer wheel and an inner wheel are arranged on the travelling frame, the outer wheel and the inner wheel are respectively positioned on the inner side and the outer side of the annular rail, the outer wheel is a gear, the center of the outer wheel is fixedly connected with an outer wheel shaft, the center of the inner wheel is fixedly connected with an inner wheel shaft, the outer wheel shaft and the inner wheel shaft are both rotatably connected with the travelling frame through bearings, a first transmission gear is arranged on the inner wheel shaft, a second transmission gear is meshed with the first transmission gear, a travelling motor is fixedly arranged on one side of the second transmission gear, and the travelling motor drives the second transmission gear to rotate.
In a preferred embodiment, a sliding rail is installed on one side of the walking frame, an extension line of the sliding rail penetrates through the center of the annular rail, a double-shaft air cylinder is fixedly installed in the middle of the sliding rail, sliding blocks are fixedly installed at two output ends of the double-shaft air cylinder, the sliding blocks are arranged on the sliding rail in a sliding mode, and the two sliding blocks are connected with the first baffle plate and the second baffle plate respectively.
In a preferred embodiment, limiting lugs are mounted on two sides of the first baffle plate and the second baffle plate, the sections of the first baffle plate and the second baffle plate are crescent convex, and the convex surfaces of the first baffle plate and the second baffle plate are in contact with the lead.
In a preferred embodiment, the load circuit is provided with two opening binding posts, the end part of the wire wound on the coil is fixedly connected with one opening binding post, the end part of the wire fixed on the connecting block is in contact connection with the other opening binding post, the hydraulic telescopic cylinder is arranged in the frame body, the output end of the hydraulic telescopic cylinder is fixedly connected with the opening binding post, when the half-tooth ring rotation is finished, the hydraulic telescopic cylinder stretches to drive the opening binding post to be in contact with the wire fixed on the connecting block, and the load circuit is connected.
In a preferred embodiment, a driving cylinder is mounted on one side of the frame body, the output end of the driving cylinder is fixedly connected with the test terminal, and the driving cylinder drives the test terminal to be spliced with the wiring terminal along the vertical movement.
In a preferred embodiment, the turntable is rotatably mounted on the base, the plurality of test tools are arranged on the turntable in a ring-shaped array, the driving mechanism is fixedly mounted in the base, and the output end of the driving mechanism is fixedly connected with the center position of the turntable.
In a preferred embodiment, two test stations are arranged on the base.
The invention has the beneficial effects that:
1. according to the invention, the travelling mechanism travels along the annular track to pull the wire winding to deviate, so that the relative positions of the wire winding and the internal winding of the transformer are changed, and the influence of the change of the relative positions of the windings on a test result is obtained through testing;
2. according to the invention, the inner diameter of the wire winding is changed by changing the distance between the first baffle and the second baffle, so that the curvature of the actual wire winding on the transformer is simulated, the wire state is more close to the actual application scene, and the authenticity of the test result is improved.
Drawings
FIG. 1 is a schematic elevational view of the overall structure of the present invention;
FIG. 2 is a schematic top view of the overall structure of the present invention;
FIG. 3 is a schematic diagram showing the state of the winding test according to the present invention;
FIG. 4 is a schematic view of the bottom view of the adjustment mechanism of the present invention mated with a transformer;
FIG. 5 is a schematic view of the structure of the adjustment mechanism of the present invention;
FIG. 6 is an enlarged schematic view of the structure of FIG. 4A in accordance with the present invention;
FIG. 7 is a schematic view of the structure of the M-M view of FIG. 5 according to the present invention;
FIG. 8 is another state diagram of FIG. 7 in accordance with the present invention;
FIG. 9 is a schematic view of the structure of the running gear of the present invention;
FIG. 10 is a schematic diagram showing a first winding test of the transformer of the present invention;
fig. 11 is a schematic diagram showing a state of a second winding test of the transformer according to the present invention.
In the figure: 1. a base; 11. a frame body; 12. a coil; 13. a wire; 14. a driving cylinder; 15. a test terminal; 2. a half-toothed ring; 21. a drive gear; 22. a connecting block; 3. testing a tool; 31. a turntable; 4. a fixing clamp; 5. an adjusting mechanism; 51. an endless track; 511. gear teeth; 52. a walking frame; 521. an outer wheel; 522. an inner wheel; 523. a first transmission gear; 524. a second transmission gear; 53. a slide rail; 531. a biaxial cylinder; 532. a slide block; 54. a first baffle; 55. a second baffle; 56. a limit bump; 10. a transformer; 101. and a connection terminal.
Detailed Description
The subject matter described herein will now be discussed with reference to example embodiments. It is to be understood that these embodiments are merely discussed so that those skilled in the art may better understand and implement the subject matter described herein and that changes may be made in the function and arrangement of the elements discussed without departing from the scope of the disclosure herein. Various examples may omit, replace, or add various procedures or components as desired. In addition, features described with respect to some examples may be combined in other examples as well.
Example 1
As shown in fig. 1-11, a multi-station voltage-current transformer testing device comprises a base 1, a frame 11 is installed at the top of the base 1, a testing terminal 15 is arranged on one side of the frame 11 and is used for being matched with a wiring terminal 101 of a transformer 10, a coil 12 is installed at the top of the frame 11, a wire 13 is wound on the coil 12, a half toothed ring 2 is installed in the frame 11 in a rotating mode, a connecting block 22 is installed at one side of the end of the half toothed ring 2, one end of the wire 13 is clamped by the connecting block 22, a testing tool 3 is installed at the top of the base 1, a fixing clamp 4 is fixedly installed at the top of the testing tool 3, the fixing clamp 4 is used for keeping the transformer 10 in a horizontal state, the central axis of the half toothed ring 2 is perpendicular to the central axis of the transformer 10, the half toothed ring 2 rotates to drive the wire 13 to be wound along the inner ring and the outer ring of the transformer 10 in an inserting mode, a load circuit is further arranged in the frame 11, and the wire 13 is connected with the load circuit in series.
The fixing clamp 4 may be any clamp for clamping the base of the transformer 10, and the clamp only needs to clamp the transformer 10 horizontally, so that the central axis of the inner hole of the transformer 10 is perpendicular to the horizontal plane (working surface); the load circuit is used for simulating the working environment of the actual wire 13 and is used for connecting the wire 13; in the actual test process, the connecting block 22 clamps one end of the fixed wire 13, the transformer 10 is placed on the test tool 3, the fixed clamp 4 clamps the transformer 10 and makes the transformer 10 horizontal, then the semi-toothed ring 2 is controlled to rotate to drive the wire 13 to pass through an inner hole of the transformer 10, then the wire 13 passes through the end part of the transformer 10 to be connected with a load circuit, the wire 13 and the load circuit form a loop, finally the test terminal 15 is connected with the wiring terminal 101 to test the error of the transformer 10, and the error test of the transformer 10 is completed; when the wire 13 is required to pass through the inner hole of the transformer 10 to be 1 turn, only the half-toothed ring 2 is required to rotate for half a turn or less than one turn, when the wire 13 is required to pass through the inner hole of the transformer 10 to be 2 turns, then the half-toothed ring 2 is required to rotate for two turns, when the wire 13 is required to pass through the inner hole of the transformer 10 to be N turns, the half-toothed ring 2 is controlled to rotate for N turns, the transformation ratio of the transformer 10 is adjusted by increasing or reducing the turns of the wire 13 penetrating the transformer 10, the change of the turns of different turns of the wire 13 in the practical application process to the test result is simulated, the test device is ensured to be closer to the practical scene, and the authenticity of the test result is improved.
The semi-toothed ring 2 is an insulating material member, the connecting block 22 is a conductive material member, when the semi-toothed ring 2 rotates, the connecting block 22 drives the end part of the wire 13 to be connected with a load circuit, a plurality of gears are arranged in the frame 11 and are respectively in rolling contact with the inner ring surface and the outer ring surface of the semi-toothed ring 2, a driving gear 21 is also rotatably arranged in the frame 11, the driving gear 21 is meshed with the semi-toothed ring 2, and the driving gear 21 drives the semi-toothed ring 2 to rotate;
the driving gear 21 is driven by a motor; the gears limit the half-toothed ring 2, so that the notch of the half-toothed ring 2 moves to the gear, and the gears still limit the half-toothed ring 2, so that the half-toothed ring 2 is prevented from falling off.
The test tool 3 is provided with an adjusting mechanism 5, the adjusting mechanism 5 comprises an annular track 51, the annular track 51 and the transformer 10 are concentrically arranged, a travelling mechanism is sleeved on the annular track 51 and moves along the track of the annular track 51, a first baffle plate 54 and a second baffle plate 55 are arranged on the travelling mechanism, the second baffle plate 55 and the first baffle plate 54 are respectively positioned at the inner ring and the outer ring of the annular track 51, one sides of the second baffle plate 55 and the first baffle plate 54 extend to the inner side and the outer side of the transformer 10, a blocking wire 13 is contacted with the inner side and the outer side of the transformer 10, and when the travelling mechanism moves along the track of the annular track 51, the travelling mechanism drives the second baffle plate 55 and the first baffle plate 54 to rotate by taking the central axis of the annular track 51 as a shaft, and the wire 13 wound on the transformer 10 also moves along with the second baffle plate 55 and the first baffle plate 54, so that the relative position of the wire 13 wound on the transformer 10 and the inner winding of the transformer 10 is changed;
it should be noted that, because the relative positions of the windings inside the transformer 10 are fixed, in order to test the error influence of the windings of the wires 13 at different positions on the transformer 10, the relative positions of the windings of the wires 13 relative to the windings inside the transformer 10 are adjusted by setting the adjusting mechanism 5, so that the influence of the change of the relative positions of the windings on the test result is tested;
further, the mutual inductor 10 and the wires 13 are well arranged, the driving gear 21 drives the half-toothed ring 2 to rotate, the half-toothed ring 2 drives the wires 13 to pass through the inner ring and the outer ring of the mutual inductor 10 through the connecting block 22, the wire 13 windings are formed on the mutual inductor 10, and when the adjusting mechanism 5 is not used, the wire 13 windings are wound on the first baffle 54 and the second baffle 55, so that the wire 13 windings are in the posture shown in fig. 10, when the influence of the wire 13 windings in different positions on the mutual inductor 10 is required to be tested, the running mechanism walks along the annular track 51, thereby driving the second baffle 55 and the first baffle 54 to move, pulling the wire 13 windings to deviate from the initial position (from the posture shown in fig. 10 to the posture shown in fig. 11), the relative positions of the wire 13 windings and the inner windings of the mutual inductor 10 are changed, and accordingly the influence of the change of the relative positions of the windings on the test results is obtained through the test.
The inner side of the annular track 51 is provided with gear teeth 511, the travelling mechanism comprises a travelling frame 52, the travelling frame 52 is provided with an outer wheel 521 and an inner wheel 522, the outer wheel 521 and the inner wheel 522 are respectively positioned on the inner side and the outer side of the annular track 51, the outer wheel 521 is a gear, the outer wheel 521 is meshed with the gear teeth 511, the center of the outer wheel 521 is fixedly connected with an outer wheel shaft, the center of the inner wheel 522 is fixedly connected with an inner wheel shaft, the outer wheel shaft and the inner wheel shaft are both in rotary connection with the travelling frame 52 through bearings, the inner wheel shaft is provided with a first transmission gear 523, the first transmission gear 523 is meshed with a second transmission gear 524, one side of the second transmission gear 524 is fixedly provided with a travelling motor, and the travelling motor drives the second transmission gear 524 to rotate;
it should be noted that, the traveling motor drives the second transmission gear 524 to rotate, so as to drive the first transmission gear 523 to rotate, the outer wheel 521 and the inner wheel 522 limit the traveling frame 52 on the annular rail 51, and the outer wheel 521 rotates to cooperate with the gear teeth 511, so that the traveling mechanism moves circumferentially along the annular rail 51.
A sliding rail 53 is arranged on one side of the walking frame 52, an extension line of the sliding rail 53 passes through the center of the annular track 51, a double-shaft air cylinder 531 is fixedly arranged in the middle of the sliding rail 53, sliding blocks 532 are fixedly arranged at two output ends of the double-shaft air cylinder 531, the sliding blocks 532 are arranged on the sliding rail 53 in a sliding manner, and the two sliding blocks 532 are respectively connected with the first baffle plate 54 and the second baffle plate 55;
it should be noted that, the biaxial air cylinder 531 stretches and contracts, so that the first baffle 54 and the second baffle 55 are close to or far away from each other, thereby changing the distance between the first baffle 54 and the second baffle 55, firstly keeping the first baffle 54 and the second baffle 55 far away, increasing the inner diameter of the winding of the wire 13, and simulating the curvature of the winding of the actual wire 13 on the transformer 10, so that the state of the wire 13 is closer to the actual application scene, and the authenticity of the test result is improved.
Limiting lugs 56 are arranged on two sides of the first baffle plate 54 and the second baffle plate 55, the cross sections of the first baffle plate 54 and the second baffle plate 55 are crescent convex, and the convex surfaces of the first baffle plate 54 and the second baffle plate 55 are in contact with the lead 13;
it should be noted that the curvature of the windings of the wire 13 is made closer to the actual situation.
The load circuit is equipped with two opening binding posts, and wire 13 tip and one of them opening binding post fixed connection of coiling on coil 12, wire 13 tip and the contact of another opening binding post that is fixed in on connecting block 22 are connected, and the internally mounted of support body 11 has the flexible jar of hydraulic pressure, and the output and the opening binding post fixed connection of flexible jar of hydraulic pressure, and when half ring gear 2 rotation is finished, the flexible jar extension of hydraulic pressure drives opening binding post and is fixed in wire 13 contact on connecting block 22, and the load circuit switch on.
A driving cylinder 14 is arranged on one side of the frame 11, the output end of the driving cylinder 14 is fixedly connected with a test terminal 15, and the driving cylinder 14 vertically moves to drive the test terminal 15 to be spliced with a wiring terminal 101.
The base 1 is rotatably provided with a turntable 31, a plurality of test tools 3 are arranged on the turntable 31 in an annular array, a driving mechanism is fixedly arranged in the base 1, and the output end of the driving mechanism is fixedly connected with the center position of the turntable 31;
the driving mechanism is a motor.
Two test stations are arranged on the base 1.
In this embodiment, the implementation scenario specifically includes: the mutual inductor 10 and the lead 13 are well arranged, the driving gear 21 drives the half-toothed ring 2 to rotate, the half-toothed ring 2 drives the lead 13 to pass through the inner ring and the outer ring of the mutual inductor 10 through the connecting block 22, the lead 13 forms a lead 13 winding between the second baffle 55 and the first baffle 54, then the lead 13 passes through the end part of the mutual inductor 10 to be connected with a load circuit, the lead 13 and the load circuit form a loop, finally the test terminal 15 is connected with the wiring terminal 101, the error of the mutual inductor 10 is tested, the travelling mechanism is controlled to drive the lead 13 winding to change the position, the half-toothed ring 2 changes the winding number of the lead 13, the first baffle 54 and the second baffle 55 enable the lead 13 winding to form curvature, and the reality of the test result is improved.
The embodiment has been described above with reference to the embodiment, but the embodiment is not limited to the above-described specific implementation, which is only illustrative and not restrictive, and many forms can be made by those of ordinary skill in the art, given the benefit of this disclosure, are within the scope of this embodiment.
Claims (10)
1. The utility model provides a multistation voltage current transformer testing arrangement, its characterized in that, including base (1), support body (11) are installed at the top of base (1), one side of support body (11) is equipped with test terminal (15), test terminal (15) are used for cooperating with binding post (101) of mutual-inductor (10), coil (12) are installed at the top of support body (11), coil up on coil (12) has wire (13), half toothed ring (2) are installed in the internal rotation of support body (11), connecting block (22) are installed to tip one side of half toothed ring (2), connecting block (22) centre gripping is fixed the one end of wire (13), test fixture (3) are installed at the top of base (1), top fixed mounting of test fixture (3) has mounting fixture (4), mounting fixture (4) are used for keeping mutual-inductor (10) horizontal state, the central axis of half toothed ring (2) is perpendicular with the central axis of the interior round hole of mutual-inductor (10) sets up, and half toothed ring (2) tip one side installs connecting block (22), connecting block (3) are installed to tip one side of connecting block (13), connecting wire (3) centre gripping and load (13) are connected in series with the circuit (13) and are arranged along the mutual-inductor.
2. The multi-station voltage and current transformer testing device according to claim 1, wherein the half-toothed ring (2) is an insulating material member, the connecting block (22) is a conductive material member, when the half-toothed ring (2) rotates, the connecting block (22) drives the end of the wire (13) to be connected with a load circuit, a plurality of gears are installed in the frame body (11) and are respectively in rolling contact with the inner ring surface and the outer ring surface of the half-toothed ring (2), a driving gear (21) is further rotatably installed in the frame body (11), the driving gear (21) is meshed with the half-toothed ring (2), and the driving gear (21) drives the half-toothed ring (2) to rotate.
3. The multi-station voltage and current transformer testing device according to claim 2, wherein the testing tool (3) is provided with an adjusting mechanism (5), the adjusting mechanism (5) comprises an annular track (51), the annular track (51) and the transformer (10) are concentrically arranged, a traveling mechanism is sleeved on the annular track (51), the traveling mechanism moves along the track of the annular track (51), a first baffle plate (54) and a second baffle plate (55) are mounted on the traveling mechanism, the second baffle plate (55) and the first baffle plate (54) are respectively positioned on the inner ring and the outer ring of the annular track (51), one side of the second baffle plate (55) and one side of the first baffle plate (54) extend to the inner side and the outer side of the transformer (10), a blocking wire (13) and the inner side and the outer side of the transformer (10) are contacted, and when the traveling mechanism moves along the track of the annular track (51), the traveling mechanism drives the second baffle plate (55) and the first baffle plate (54) to rotate by taking the central axis of the annular track (51) as a shaft, and the wire (13) is wound on the second wire (13) and the second baffle plate (13) to move along with the inner side of the transformer (10) and the first baffle plate (54) to change the position of the transformer.
4. The multi-station voltage and current transformer testing device according to claim 3, wherein gear teeth (511) are formed on the inner side of the annular track (51), the travelling mechanism comprises a travelling frame (52), an outer wheel (521) and an inner wheel (522) are arranged on the travelling frame (52), the outer wheel (521) and the inner wheel (522) are respectively located on the inner side and the outer side of the annular track (51), the outer wheel (521) is a gear, an outer wheel shaft is fixedly connected to the center of the outer wheel (521), an inner wheel shaft is fixedly connected to the center of the inner wheel (522), the outer wheel shaft and the inner wheel shaft are both in rotary connection with the travelling frame (52) through bearings, a first transmission gear (523) is arranged on the inner wheel shaft, a second transmission gear (524) is meshed with the first transmission gear (523), and a travelling motor is fixedly installed on one side of the second transmission gear (524) and drives the second transmission gear (524).
5. The multi-station voltage and current transformer testing device according to claim 4, wherein a sliding rail (53) is installed on one side of the walking frame (52), an extension line of the sliding rail (53) penetrates through the center of the annular rail (51), a double-shaft air cylinder (531) is fixedly installed in the middle of the sliding rail (53), sliding blocks (532) are fixedly installed at two output ends of the double-shaft air cylinder (531), the sliding blocks (532) are slidably arranged on the sliding rail (53), and the two sliding blocks (532) are respectively connected with the first baffle (54) and the second baffle (55).
6. The multi-station voltage and current transformer testing device according to claim 5, wherein limiting projections (56) are mounted on two sides of the first baffle plate (54) and the second baffle plate (55), the cross sections of the first baffle plate (54) and the second baffle plate (55) are crescent convex, and convex surfaces of the first baffle plate (54) and the second baffle plate (55) are in contact with the lead (13).
7. The multi-station voltage and current transformer testing device according to claim 6, wherein the load circuit is provided with two opening binding posts, the end part of the wire (13) wound on the coil (12) is fixedly connected with one opening binding post, the end part of the wire (13) fixed on the connecting block (22) is in contact connection with the other opening binding post, a hydraulic telescopic cylinder is installed in the frame body (11), the output end of the hydraulic telescopic cylinder is fixedly connected with the opening binding post, when the rotation of the half toothed ring (2) is finished, the hydraulic telescopic cylinder stretches to drive the opening binding post to be in contact with the wire (13) fixed on the connecting block (22), and the load circuit is connected.
8. The multi-station voltage and current transformer testing device according to claim 7, wherein a driving cylinder (14) is installed on one side of the frame body (11), an output end of the driving cylinder (14) is fixedly connected with a testing terminal (15), and the driving cylinder (14) drives the testing terminal (15) to be spliced with a wiring terminal (101) along the vertical movement.
9. The multi-station voltage and current transformer testing device according to claim 8, wherein a turntable (31) is rotatably mounted on the base (1), a plurality of testing tools (3) are arranged on the turntable (31) in a ring-shaped array, a driving mechanism is fixedly mounted in the base (1), and an output end of the driving mechanism is fixedly connected with a central position of the turntable (31).
10. A multi-station voltage current transformer testing apparatus according to claim 9, characterized in that two testing stations are arranged on the base (1).
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| CN202310326725.9A CN116027246B (en) | 2023-03-30 | 2023-03-30 | Multi-station voltage and current transformer testing device |
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| CN202310326725.9A CN116027246B (en) | 2023-03-30 | 2023-03-30 | Multi-station voltage and current transformer testing device |
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| CN116027246B CN116027246B (en) | 2023-06-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116930665A (en) * | 2023-09-13 | 2023-10-24 | 合肥航太电物理技术有限公司 | Airplane electrostatic discharge radio frequency noise testing equipment and method |
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| CN116930665A (en) * | 2023-09-13 | 2023-10-24 | 合肥航太电物理技术有限公司 | Airplane electrostatic discharge radio frequency noise testing equipment and method |
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