A switch cabinet partial discharge rapid detection device

By designing a combination of support platform, U-shaped support frame and detection mechanism, and combining servo motor drive and acoustic-optical sensors, rapid and accurate positioning and comprehensive detection of partial discharge in switchgear is achieved, solving the problem of poor positioning effect of existing equipment and improving detection efficiency and flexibility.

CN119644053BActive Publication Date: 2025-11-21国网江西省电力有限公司九江供电分公司
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Patent Information

Application Number
CN202411589419.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-11-08
Publication Date
2025-11-21
Estimated Expiration
2044-11-08

AI Technical Summary

Technical Problem

Existing switchgear testing equipment suffers from poor positioning performance and complex operation, making it difficult to achieve rapid and efficient partial discharge detection, especially in compact application scenarios.

Method used

A rapid partial discharge detection device for switchgear was designed, comprising a support platform, a U-shaped support frame, a detection mechanism, a moving drive mechanism, and a control panel. The moving drive mechanism, composed of a servo motor, worm gear, and worm wheel, enables the movement of the detection mechanism. It combines acoustic and optical sensors for spatial positioning and utilizes multi-stage electric telescopic rods and telescopic airbags to adjust the detection angle and distance, thereby achieving comprehensive detection of the switchgear.

Benefits of technology

It enables rapid and accurate testing of switchgear, reduces the workload of staff, improves testing efficiency and comprehensiveness, and enhances the flexibility and stability of the equipment.

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Abstract

The application relates to the technical field of switch cabinet discharge detection, and discloses a switch cabinet partial discharge rapid detection device, which solves the problem of poor use effect of the existing detection device, and comprises a supporting table, universal wheels one are arranged at the four corners of the bottom end of the supporting table, the top end of the supporting table is provided with a U-shaped support frame, one end of the U-shaped support frame is inserted into the supporting table and connected with the supporting table through a driving limiting mechanism, the other end of the U-shaped support frame is provided with an auxiliary supporting mechanism, the inner side wall of the U-shaped support frame is provided with a detection mechanism, the outer side of the U-shaped support frame is provided with a control panel, the inner side wall of the U-shaped support frame is provided with an inner groove, limit grooves are arranged on the two sides in the inner groove, arc-shaped ball grooves are arranged on the side edges of the limit grooves, a pulling rope connected with the auxiliary supporting mechanism is arranged in the inner groove, and a moving driving mechanism is arranged at one end in the inner groove; through the detection device, the front face, the top face and the back face of the switch cabinet can be rapidly detected, and the monitoring efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of switch cabinet discharge detection, and particularly relates to a switch cabinet partial discharge rapid detection device. BACKGROUND

[0002] The partial discharge test refers to a test mode for acquiring a discharge signal when a device generates partial discharge. Current mainstream switch cabinet live testers are divided into ordinary handheld terminals and positioning machines. The ordinary handheld terminal is mainly used for daily general testing, generally adopts a non-contact ultrasonic sensor to detect all gaps of the switch cabinet, and presents the characteristics of the collected ultrasonic signals in time domain, phase, flight and waveform modes after frequency synchronization, so as to assist the detection personnel in distinguishing the signals, and the signal source can be roughly positioned through the amplitude method. The disadvantage is that the ultrasonic signal greatly attenuates during propagation, and the detection personnel needs to detect all gaps one by one, which is time-consuming and laborious, and the positioning effect is almost negligible. The positioning machine is used for accurate positioning of abnormal signals, generally adopts a high-speed oscilloscope, and calculates and realizes positioning by using the time difference of signals arriving at different channels, mainly including a very high frequency time difference method and an acoustic-electric combined method, but the operation is complex and the positioning effect is poor in a compact application scene such as a switch cabinet. SUMMARY

[0003] In view of the above problems, the switch cabinet partial discharge rapid detection device is provided to overcome the defects of the prior art and effectively solve the problem of poor use effect of the existing detection device.

[0004] To achieve the above purpose, the application provides the following technical scheme: a switch cabinet partial discharge rapid detection device, comprising a support table, universal wheels one are fixedly arranged at the four corners of the bottom end of the support table, a U-shaped support frame is arranged at the top end of the support table, one end of the U-shaped support frame penetrates into the support table and is connected with the support table through a driving limiting mechanism, an auxiliary support mechanism is fixedly arranged at the other end of the U-shaped support frame, a detection mechanism is arranged on the inner side wall of the U-shaped support frame, a control panel is fixedly arranged on the outer side of the U-shaped support frame, an inner groove is formed in the inner side wall of the U-shaped support frame, limiting grooves are formed on the two sides of the inner groove, arc-shaped ball grooves are formed on the side edges of the limiting grooves, a pulling rope connected with the auxiliary support mechanism is arranged in the inner groove, and a moving driving mechanism is arranged at one end in the inner groove.

[0005] The moving driving mechanism is composed of a servo motor one, a worm, a worm gear, a synchronous shaft, a driving disc one and a driving disc two, the servo motor one is fixedly connected to the bottom end of the inner groove, the worm is fixedly connected to the output shaft of the servo motor one, the synchronous shaft and the driving disc two are both rotationally connected to the inside of the inner groove, the worm gear and the driving disc one are both sleeved on the synchronous shaft and fixedly connected thereto, the worm gear is meshingly connected with the worm, and the pulling rope is located between the driving disc one and the driving disc two.

[0006] The detection mechanism is composed of a support plate, a plurality of connecting arms, a plurality of limiting columns, a plurality of limiting balls, a multi-stage electric telescopic rod, an adjusting plate, a detection plate and a plurality of sound-light combined sensors, the connecting arms are fixedly connected to the top end and the bottom end of one side of the support plate, the other end of the connecting arm is inserted into the inner groove, the limiting column is fixedly connected to the side of the connecting arm and inserted into the limiting groove, the limiting ball is rotatably connected to one end of the limiting column and located in the inner part of the arc-shaped ball groove, the adjusting plate is connected to the other side of the adjusting plate through the multi-stage electric telescopic rod, the detection plate is connected to the other side of the adjusting plate, and the sound-light combined sensor is fixedly connected to the side of the detection plate away from the adjusting plate.

[0007] Preferably, a plurality of limiting guide pulleys matched with the pulling rope are rotatably arranged in the inner part of the inner groove.

[0008] Preferably, the pulling rope is composed of a rope body and a plurality of limiting balls, the limiting balls are fixedly connected to the outer surface of the rope body and arranged at equal intervals, and the arc-shaped outer surfaces of the driving disc one and the driving disc two are both provided with a plurality of limiting clamping grooves matched with the limiting balls.

[0009] Preferably, a limiting support sleeve is fixedly arranged at the middle position of one side of the adjusting plate, a universal ball head is fixedly arranged at the middle position of one side of the detection plate and rotatably connected to the limiting support sleeve, and a limiting guide rod is fixedly arranged at the other side of the adjusting plate and inserted into the support plate.

[0010] Preferably, a telescopic air bag is arranged at each corner of the detection plate and the adjusting plate, and a micro air suction and exhaust integrated pump is fixedly arranged at each corner of one side of the adjusting plate and connected to the telescopic air bag.

[0011] Preferably, an arc-shaped through groove one matched with the U-shaped support frame is arranged at one end of the support table, and an arc-shaped through groove two matched with the U-shaped support frame is arranged at the other end of the support table.

[0012] Preferably, the driving limiting mechanism is composed of a driving assembly and a limiting assembly, the limiting assembly is connected between the support table and the U-shaped support frame, and the driving assembly is connected between the support table and the limiting assembly.

[0013] Preferably, the limiting assembly is composed of a connecting sleeve, a plurality of locking bolts, a plurality of limiting screw sleeves and a rotating support shaft, the connecting sleeve is fixedly connected to the U-shaped support frame, the locking bolts are inserted into the connecting sleeve, the limiting screw sleeves are fixedly connected to the top end of the support table and matched with the locking bolts, and the rotating support shaft is fixedly connected to the bottom end of the connecting sleeve and inserted into the support table.

[0014] Preferably, the driving assembly is composed of a servo motor two, a driving gear and a driven gear, the servo motor two is fixedly connected to the top end of the support table, the driving gear is located in the inner part of the support table and fixedly connected to the output shaft of the servo motor two, and the driven gear is fixedly connected to the rotating support shaft and meshingly connected to the driving gear.

[0015] Preferably, the auxiliary support mechanism is composed of a limiting support sleeve, a lifting support arm, a locking knob and a universal wheel two, the limiting support sleeve is fixedly connected to the side edge of the other end of the U-shaped support frame, the lifting support arm is inserted into the limiting support sleeve, the locking knob is connected between the limiting support sleeve and the lifting support arm, and the universal wheel two is fixedly connected to the bottom end of the lifting support arm.

[0016] Compared with the prior art, the present application has the following advantages:

[0017] (1) In work, the detection mechanism composed of a support plate, a plurality of connecting arms, a plurality of limiting columns, a plurality of limiting balls, a multi-stage electric telescopic rod, an adjusting plate, a detection plate and a plurality of sound and light combined sensors can realize spatial positioning of sound sources and light sources, rapid identification and positioning of sound sources and light sources, and improvement of detection accuracy;

[0018] (2) The movement driving mechanism composed of a servo motor one, a worm, a worm gear, a synchronous shaft, a driving disc one and a driving disc two can realize movement driving of the detection mechanism, so that the detection mechanism can move on the inner side wall of the U-shaped support frame, realize patrol inspection of the front surface, the top surface and the back surface of the switch cabinet, improve detection efficiency and reduce labor intensity of workers;

[0019] (3) The multi-stage electric telescopic rod, the limiting support sleeve, the universal ball head, the telescopic air bag and the micro air suction and exhaust integrated pump can realize adjustment of the telescopic distance and the inclination angle of the detection plate and the sound and light combined sensor, can realize detection work of different distances and different angles, and improve the comprehensiveness and flexibility of detection;

[0020] (4) The limiting assembly composed of a connecting sleeve, a plurality of locking bolts, a plurality of limiting nuts and a rotating support shaft and the driving assembly composed of a servo motor two, a driving gear and a driven gear can drive the U-shaped support frame to rotate, so that the U-shaped support frame is moved to the top of the support table when not detecting, the overall stability is improved, and the occupation of space is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0021] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, illustrate the present application together with the embodiments thereof, and explain the present application, but do not constitute a limitation of the present application.

[0022] In the drawings:

[0023] Figure 1 is a structural schematic view of a switch cabinet partial discharge rapid detection equipment of the present application;

[0024] Figure 2 is a structural schematic view two of a switch cabinet partial discharge rapid detection equipment of the present application;

[0025] Figure 3 Figure 3 is a structural schematic diagram of a partial discharge rapid detection equipment for a switch cabinet according to the present application;

[0026] Figure 4 Figure 4 is a top view of a partial discharge rapid detection equipment for a switch cabinet according to the present application;

[0027] Figure 5 Figure 5 is a partial enlarged view of the present application; Figure 3

[0028] Figure 6 Figure 6 is a structural schematic diagram of a driving limiting mechanism according to the present application;

[0029] Figure 7 Figure 7 is a structural schematic diagram of a U-shaped support frame and a moving driving mechanism connection structure according to the present application;

[0030] Figure 8 Figure 8 is a structural schematic diagram of a detection mechanism according to the present application;

[0031] Figure 9 Figure 9 is a structural schematic diagram of an auxiliary support mechanism according to the present application;

[0032] In the figure: 1, support table; 2, universal wheel one; 3, U-shaped support frame; 4, limiting mechanism; 5, auxiliary support mechanism; 6, detection mechanism; 7, control panel; 8, inner groove; 9, limiting groove; 10, arc-shaped ball groove; 11, pulling rope; 12, moving driving mechanism; 13, servo motor one; 14, worm; 15, worm wheel; 16, synchronous shaft; 17, driving disc one; 18, driving disc two; 19, support plate; 20, connecting arm; 21, limiting column; 22, limiting ball; 23, multi-stage electric telescopic rod; 24, adjusting plate; 25, detection plate; 26, sound-light combined sensor; 27, limiting guide supporting wheel; 28, rope body; 29, limiting ball; 30, limiting clamping groove; 31, limiting support sleeve; 32, universal ball head; 33, limiting guide rod; 34, telescopic air bag; 35, micro air suction and exhaust integrated pump; 36, arc-shaped through groove one; 37, arc-shaped through groove two; 38, driving assembly; 39, limiting assembly; 40, connecting sleeve; 41, locking bolt; 42, limiting screw sleeve; 43, rotating support shaft; 44, servo motor two; 45, driving gear; 46, driven gear; 47, limiting support sleeve; 48, lifting support arm; 49, locking knob; 50, universal wheel two. DETAILED DESCRIPTION

[0033] ​The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative effort belong to the protection scope of the present application.

[0034] Embodiment one, by Figures 1 to 8 The present application is a kind of switchgear partial discharge rapid detection equipment, including support table 1, the four corners of the bottom end of support table 1 are fixedly provided with universal wheel one 2, the top of support table 1 is provided with U-shaped support frame 3, one end of U-shaped support frame 3 is inserted into support table 1 and is connected with support table 1 by driving limiting mechanism 4, the other end of U-shaped support frame 3 is fixedly provided with auxiliary support mechanism 5, the inner side wall of U-shaped support frame 3 is provided with detection mechanism 6, the outer side of U-shaped support frame 3 is fixedly provided with control panel 7, the inner side wall of U-shaped support frame 3 is provided with inner groove 8, the two sides inside inner groove 8 are provided with limiting groove 9, the side of limiting groove 9 is provided with arc ball groove 10, the inside of inner groove 8 is provided with pulling rope 11 connected with auxiliary support mechanism 5, one end inside inner groove 8 is provided with moving drive mechanism 12;

[0035] Through universal wheel one 2, support table 1 can be moved conveniently, U-shaped support frame 3 supports detection mechanism 6, detection mechanism 6 realizes detection work, driving limiting mechanism 4 supports and limits U-shaped support frame 3, moving drive mechanism 12 drives detection mechanism 6 to move in the inner side wall of U-shaped support frame 3, realizes patrol inspection, improves detection efficiency;

[0036] The moving drive mechanism 12 is composed of a servo motor 13, a worm 14, a worm gear 15, a synchronous shaft 16, a driving disc one 17 and a driving disc two 18. The servo motor 13 is fixedly connected to the bottom end of the inner groove 8. The worm 14 is fixedly connected to the output shaft of the servo motor 13. The synchronous shaft 16 and the driving disc two 18 are both rotatably connected to the inside of the inner groove 8. The worm gear 15 and the driving disc one 17 are both sleeved on the synchronous shaft 16 and fixedly connected thereto. The worm gear 15 is meshingly connected with the worm 14. The pulling rope 11 is located between the driving disc one 17 and the driving disc two 18.

[0037] During the patrol inspection, the servo motor 13, the worm 14, the worm gear 15 and the synchronous shaft 16 drive the driving disc one 17 to rotate. The driving disc one 17 and the driving disc two 18 limit the pulling rope 11 and drive the pulling rope 11 to move synchronously. The pulling rope 11 drives the detection mechanism 6 to move. The limiting groove 9 and the arc ball groove 10 limit the detection mechanism 6.

[0038] The detection mechanism 6 is composed of a support plate 19, a plurality of connecting arms 20, a plurality of limiting columns 21, a plurality of limiting balls 22, a multi-stage electric telescopic rod 23, an adjusting plate 24, a detection plate 25 and a plurality of sound-light combined sensors 26. The connecting arms 20 are fixedly connected to the top end and the bottom end of one side of the support plate 19, and the other end of the connecting arm 20 penetrates the inner groove 8. The limiting column 21 is fixedly connected to the side of the connecting arm 20 and penetrates the limiting groove 9. The limiting ball 22 is rotatably connected to one end of the limiting column 21 and located inside the arc-shaped ball groove 10. The adjusting plate 24 is connected with the support plate 19 through the multi-stage electric telescopic rod 23. The detection plate 25 is connected to the other side of the adjusting plate 24. The sound-light combined sensor 26 is fixedly connected to the side of the detection plate 25 away from the adjusting plate 24.

[0039] The sound-light combined sensor 26 arranged in a matrix can realize synchronous detection of the sound source and the light source of the discharge position. The accurate positioning is realized through the strength of the sound and the strength of the light, and the detection accuracy is improved. The limiting column 21 and the limiting ball 22 can match the limiting groove 9 and the arc-shaped ball groove 10 to form a limiting effect and improve the overall stability of the detection mechanism 6. The multi-stage electric telescopic rod 23 can adjust the distance between the detection plate 25, the sound-light combined sensor 26 and the switch cabinet.

[0040] A plurality of limiting guide rollers 27 matched with the pulling rope 11 are rotatably arranged in the inner groove 8. The pulling rope 11 is composed of a rope body 28 and a plurality of limiting balls 29. The limiting balls 29 are fixedly connected to the outer surface of the rope body 28 and are equidistantly arranged. The arc-shaped outer surfaces of the driving disc one 17 and the driving disc two 18 are provided with a plurality of limiting clamping grooves 30 matched with the limiting balls 29.

[0041] The limiting guide roller 27 can limit and support the pulling rope 11. The limiting ball 29 can form a limiting effect with the limiting clamping groove 30, so that the driving disc one 17 and the driving disc two 18 can synchronously drive the pulling rope 11 to rotate.

[0042] In the embodiment two, on the basis of the embodiment one, Figure 8 a limiting support sleeve 31 is fixedly arranged at the middle position of one side of the adjusting plate 24. A universal ball head 32 penetrating the limiting support sleeve 31 and being rotatably connected therewith is fixedly arranged at the middle position of one side of the detection plate 25. A limiting guide rod 33 penetrating the support plate 19 is fixedly arranged at the other side of the adjusting plate 24. A telescopic air bag 34 is arranged at each corner of the detection plate 25 and the adjusting plate 24. A micro air suction and exhaust integrated pump 35 connected with the telescopic air bag 34 is fixedly arranged at each corner of one side of the adjusting plate 24.

[0043] The micro exhaust and suction integrated pump 35 controls the extension length of the telescopic air bag 34. Since four telescopic air bags 34 are arranged, the angle of the detection plate 25 can be adjusted, the comprehensiveness and flexibility of detection are improved, the detection plate 25 is assisted and supported by the limiting support sleeve 31 and the universal ball head 32, and the stability and activity of the detection plate 25 are improved.

[0044] In example three, on the basis of example one, Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 and Figure 9 One end of the support table 1 is provided with an arc-shaped through slot one 36 matched with the U-shaped support frame 3, and the other end of the support table 1 is provided with an arc-shaped through slot two 37 matched with the U-shaped support frame 3.

[0045] The arc-shaped through slot one 36 and the arc-shaped through slot two 37 can realize the connection of the U-shaped support frame 3.

[0046] The driving limiting mechanism 4 is composed of a driving assembly 38 and a limiting assembly 39. The limiting assembly 39 is connected between the support table 1 and the U-shaped support frame 3, and the driving assembly 38 is connected between the support table 1 and the limiting assembly 39. The limiting assembly 39 is composed of a connecting sleeve 40, a plurality of locking bolts 41, a plurality of limiting screw sleeves 42 and a rotating support shaft 43. The connecting sleeve 40 is fixedly connected with the U-shaped support frame 3, the locking bolts 41 are inserted into the connecting sleeve 40, the limiting screw sleeves 42 are fixedly connected with the top end of the support table 1 and matched with the locking bolts 41, and the rotating support shaft 43 is fixedly connected with the bottom end of the connecting sleeve 40 and inserted into the support table 1. The driving assembly 38 is composed of a servo motor two 44, a driving gear 45 and a driven gear 46. The servo motor two 44 is fixedly connected with the top end of the support table 1, the driving gear 45 is located in the inside of the support table 1 and fixedly connected with the output shaft of the servo motor two 44, and the driven gear 46 is fixedly connected with the rotating support shaft 43 and meshingly connected with the driving gear 45.

[0047] When the U-shaped support frame 3 is rotated and adjusted, the servo motor two 44, the driving gear 45 and the driven gear 46 are electrically driven. After the adjustment is completed, the limiting effect is realized by the connecting sleeve 40, the locking bolts 41, the limiting screw sleeves 42 and the rotating support shaft 43, so as to avoid the self-rotation of the U-shaped support frame 3.

[0048] The auxiliary supporting mechanism 5 is composed of a limiting supporting sleeve 47, a lifting supporting arm 48, a locking knob 49 and a universal wheel two 50. The limiting supporting sleeve 47 is fixedly connected to the side of the other end of the U-shaped supporting frame 3. The lifting supporting arm 48 penetrates through the limiting supporting sleeve 47. The locking knob 49 is connected between the limiting supporting sleeve 47 and the lifting supporting arm 48. The universal wheel two 50 is fixedly connected to the bottom end of the lifting supporting arm 48.

[0049] The limiting supporting sleeve 47, the lifting supporting arm 48, the locking knob 49 and the universal wheel two 50 can realize auxiliary supporting of the U-shaped supporting frame 3, and can adjust the height of the universal wheel two 50. When being stored, the universal wheel two 50 can be moved to the top end of the supporting table 1.

[0050] In work, the detection mechanism composed of the supporting plate, the connecting arms, the limiting columns, the limiting balls, the multi-stage electric telescopic rod, the adjusting plate, the detection plate and the sound and light combined sensors can realize spatial positioning of the sound source and the light source, realize quick identification and positioning of the sound source and the light source, and improve detection accuracy. The moving driving mechanism composed of the servo motor one, the worm, the worm wheel, the synchronous shaft, the driving disc one and the driving disc two can realize moving driving of the detection mechanism, so that the detection mechanism can move on the inner side wall of the U-shaped supporting frame, realize patrol inspection of the front surface, the top surface and the back surface of the switch cabinet, improve detection efficiency, and reduce labor intensity of workers. The multi-stage electric telescopic rod, the limiting supporting sleeve, the universal ball head, the telescopic air bag and the micro air suction and exhaust integrated pump can realize adjustment of the telescopic distance and the inclination angle of the detection plate and the sound and light combined sensors, can realize detection work of different distances and different angles, and improve comprehensiveness and flexibility of detection. The limiting assembly composed of the connecting sleeve, the locking bolts, the limiting screw sleeves and the rotating supporting shaft and the driving assembly composed of the servo motor two, the driving gear and the driven gear can drive the U-shaped supporting frame to rotate, move the U-shaped supporting frame to the top of the supporting table when not detecting, improve overall stability, and reduce occupation of space.

Claims

1. A rapid detection device for partial discharge in switchgear, comprising a support platform (1), characterized in that: The four corners of the bottom of the support platform (1) are fixedly provided with universal wheels (2), the top of the support platform (1) is provided with a U-shaped support frame (3), one end of the U-shaped support frame (3) is inserted into the support platform (1) and connected to the support platform (1) through the drive limiting mechanism (4), the other end of the U-shaped support frame (3) is fixedly provided with an auxiliary support mechanism (5), the inner side wall of the U-shaped support frame (3) is provided with a detection mechanism (6), the outer side of the U-shaped support frame (3) is fixedly provided with a control panel (7), the inner side wall of the U-shaped support frame (3) is provided with an inner groove (8), the two sides of the inner groove (8) are provided with limiting grooves (9), the side of the limiting grooves (9) is provided with an arc-shaped ball groove (10), the inner groove (8) is provided with a pulling rope (11) connected to the auxiliary support mechanism (5), and one end of the inner groove (8) is provided with a moving drive mechanism (12). The moving drive mechanism (12) consists of a servo motor (13), a worm (14), a worm wheel (15), a synchronous shaft (16), a drive disk (17), and a drive disk (18). The servo motor (13) is fixedly connected to the bottom end of the inner groove (8). The worm (14) is fixedly connected to the output shaft of the servo motor (13). The synchronous shaft (16) and the drive disk (18) are rotatably connected to the inside of the inner groove (8). The worm wheel (15) and the drive disk (17) are both sleeved on the synchronous shaft (16) and fixedly connected to it. The worm wheel (15) meshes with the worm (14). The pulling rope (11) is located between the drive disk (17) and the drive disk (18). The detection mechanism (6) consists of a support plate (19), several connecting arms (20), several limiting posts (21), several limiting balls (22), a multi-stage electric telescopic rod (23), an adjustment plate (24), a detection plate (25), and several acoustic-optical sensors (26). The connecting arms (20) are fixedly connected to the top and bottom of one side of the support plate (19), and the other end of the connecting arms (20) is inserted into the inner groove (8). The limiting posts (21) are fixedly connected to the side of the connecting arms (20) and inserted into the limiting groove (9). The limiting balls (22) are rotatably connected to one end of the limiting posts (21) and located inside the arc-shaped ball groove (10). The adjustment plate (24) is connected to the support plate (19) through the multi-stage electric telescopic rod (23). The detection plate (25) is connected to the other side of the adjustment plate (24). The acoustic-optical sensors (26) are fixedly connected to the side of the detection plate (25) away from the adjustment plate (24).

2. The rapid detection device for partial discharge in switchgear according to claim 1, characterized in that: The inner groove (8) is equipped with several limiting guide rollers (27) that match the pulling rope (11).

3. The rapid detection device for partial discharge in switchgear according to claim 1, characterized in that: The pulling rope (11) consists of a rope body (28) and several limiting beads (29). The limiting beads (29) are fixedly connected to the outer surface of the rope body (28) and arranged at equal intervals. The arc-shaped outer surfaces of the drive disk one (17) and the drive disk two (18) are provided with several limiting slots (30) that match the limiting beads (29).

4. The rapid detection device for partial discharge in switchgear according to claim 1, characterized in that: A limiting support sleeve (31) is fixedly installed at the middle position on one side of the adjusting plate (24), a universal ball head (32) is fixedly installed at the middle position on one side of the detection plate (25) and passes through the limiting support sleeve (31) and is rotatably connected to it, and a limiting guide rod (33) is fixedly installed on the other side of the adjusting plate (24) and passes through the support plate (19).

5. The rapid detection device for partial discharge in switchgear according to claim 1, characterized in that: Telescopic airbags (34) are provided at the four corners of the connection between the detection plate (25) and the adjustment plate (24), and miniature exhaust pumps (35) connected to the telescopic airbags (34) are fixedly provided at the four corners on one side of the adjustment plate (24).

6. The rapid detection device for partial discharge in switchgear according to claim 1, characterized in that: One end of the support platform (1) is provided with an arc-shaped through groove (36) that matches the U-shaped support frame (3), and the other end of the support platform (1) is provided with an arc-shaped through groove (37) that matches the U-shaped support frame (3).

7. The rapid detection device for partial discharge in switchgear according to claim 1, characterized in that: The drive limiting mechanism (4) consists of a drive component (38) and a limiting component (39). The limiting component (39) is connected between the support platform (1) and the U-shaped support frame (3), and the drive component (38) is connected between the support platform (1) and the limiting component (39).

8. The rapid detection device for partial discharge in switchgear according to claim 7, characterized in that: The limiting component (39) consists of a connecting sleeve (40), several locking bolts (41), several limiting threaded sleeves (42), and a rotating support shaft (43). The connecting sleeve (40) is fixedly connected to the U-shaped support frame (3). The locking bolts (41) are inserted through the connecting sleeve (40). The limiting threaded sleeves (42) are fixedly connected to the top of the support platform (1) and match the locking bolts (41). The rotating support shaft (43) is fixedly connected to the bottom of the connecting sleeve (40) and is inserted through the support platform (1).

9. A rapid detection device for partial discharge in switchgear according to claim 8, characterized in that: The drive assembly (38) consists of a second servo motor (44), a drive gear (45), and a driven gear (46). The second servo motor (44) is fixedly connected to the top of the support platform (1). The drive gear (45) is located inside the support platform (1) and is fixedly connected to the output shaft of the second servo motor (44). The driven gear (46) is fixedly connected to the rotating support shaft (43) and meshes with the drive gear (45).

10. A rapid detection device for partial discharge in switchgear according to claim 1, characterized in that: The auxiliary support mechanism (5) consists of a limiting support sleeve (47), a lifting support arm (48), a locking knob (49), and a second universal wheel (50). The limiting support sleeve (47) is fixedly connected to the side of the other end of the U-shaped support frame (3). The lifting support arm (48) is inserted through the limiting support sleeve (47). The locking knob (49) is connected between the limiting support sleeve (47) and the lifting support arm (48). The second universal wheel (50) is fixedly connected to the bottom end of the lifting support arm (48).

Citation Information

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