CN220105196U

CN220105196U - Insulating oil dielectric strength tester workbench

Info

Publication number: CN220105196U
Application number: CN202321431591.9U
Authority: CN
Inventors: 乐陶然
Original assignee: Hubei Weiyao Electric Co ltd
Current assignee: Hubei Weiyao Electric Co ltd
Priority date: 2023-06-06
Filing date: 2023-06-06
Publication date: 2023-11-28
Anticipated expiration: 2033-06-06

Abstract

The utility model provides an insulating oil dielectric strength tester workbench which comprises a panel, wherein two high-pressure columns are arranged on the panel, an oil cup is arranged between the high-pressure columns, a fixing groove is formed in the panel and used for fixing the oil cup, two guide rods penetrate through the oil cup, one ends of the guide rods, far away from the oil cup, are contacted with the high-pressure columns, electrodes are arranged at one ends of the guide rods, far away from the high-pressure columns, sealing plates are arranged on the periphery of the panel, two positioning rods penetrate through the two sides of the sealing plates respectively, a limit sleeve is arranged at one end, close to the guide rods, of each positioning rod, a positioning button is arranged at one end, close to the guide rods, of each guide rod, a fixing ring capable of being nested with the limit sleeve is arranged at one end, close to the limit sleeve, of each guide rod, and a sealing cover is arranged above each sealing plate. The positioning rod of the device is connected with the guide rod, and the gap between the electrodes can be adjusted when the oil cup is placed in the instrument, so that the time of continuous test is saved; the device directly displays the gap between the electrodes through the combination of the positioning ring and the scale plate, so that the test is more precise.

Description

Insulating oil dielectric strength tester workbench

Technical Field

The utility model relates to the technical field of insulating oil detection, in particular to a workbench of an insulating oil dielectric strength tester.

Background

Insulating oil is widely used in high-voltage electrical equipment such as transformers, oil circuit breakers, oil-filled cables, power capacitors, oil bushings and the like. In operation, the insulating oil is gradually deteriorated in performance due to the oxygen, high temperature, high humidity, sunlight, strong electric field and impurities, so that it cannot sufficiently exert the insulating effect, and for this reason, it is necessary to periodically perform a related test on the insulating oil to identify whether the performance thereof is deteriorated. The quality of the insulating oil has a close relationship with the breakdown voltage.

Before the dielectric strength test of insulating oil, the distance between the electrodes should be adjusted first, in the prior art, the gap between the electrodes needs to be adjusted through the scale in the empty cup state, the operation is complex and errors are easy to generate, in addition, in the continuous test process, the gap needs to be adjusted, and the oil cup needs to be taken down to adjust the gap and then put into an instrument for testing.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model provides an insulating oil dielectric strength tester workbench which solves the problem that the gap of an electrode is fussy and complex to sort in the prior art.

The utility model is realized by the following technical scheme: the utility model provides an insulating oil dielectric strength tester workstation, which comprises a panel, the panel is provided with two high-pressure posts, be provided with the oil cup between the high-pressure post, be provided with the fixed slot on the panel and be used for fixed oil cup, wear to be equipped with two guide arms on the oil cup, the one end and the high-pressure post contact of oil cup are kept away from to the guide arm, the one end that the high-pressure post was kept away from to the guide arm is provided with the electrode, the panel is provided with the closing plate all around, two positioning bars have been worn respectively to the closing plate both sides, the one end that the positioning bar is close to the guide arm is provided with the stop collar, the one end that the positioning bar was kept away from the guide arm is provided with the positioning button, the guide arm is close to stop collar one end and is provided with the solid fixed ring that can nest with the stop collar, the closing plate top is provided with sealed lid.

Further, a sealing sleeve is arranged between the guide rods and the oil cups, and the sealing sleeve is made of heat-resistant insulating materials.

Further, an insulating sleeve is sleeved outside the high-voltage column and the positioning rod, one end, close to the oil cup, of the insulating sleeve is provided with a slot, and the insulating sleeve is made of heat-resistant insulating materials.

Further, the positioning rod is provided with internal threads at the contact part of the positioning rod and the insulating sleeve, and external threads are arranged on the inner wall of the insulating sleeve.

Further, a bearing is arranged at the joint of the position adjusting rod and the limiting sleeve, a sliding block is arranged at one end, close to the panel, of the limiting sleeve, and a sliding groove corresponding to the sliding block is arranged in the insulating sleeve.

Further, the positioning rod penetrates through the sealing plate to be fixedly provided with a positioning ring, the outer side of the positioning ring is provided with a scale plate, and the scale plate is fixedly connected to the sealing plate.

Further, the sealing cover is rotationally connected to the sealing plate, a transparent observation window is arranged in the middle of the sealing cover, and a handle is arranged on the side face of the sealing cover.

Compared with the prior art, the utility model has the following beneficial effects: the positioning rod of the device is connected with the guide rod, and the gap between the electrodes can be adjusted when the oil cup is placed in the instrument, so that the time of continuous test is saved; the device directly displays the gap between the electrodes through the combination of the positioning ring and the scale plate, so that the test is more precise.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present utility model;

FIG. 2 is a partial cross-sectional view of an embodiment of the present utility model;

FIG. 3 is a schematic diagram of a partial structure explosion of an embodiment of the present utility model;

FIG. 4 is a diagram showing a numerical structure according to an embodiment of the present utility model.

In the figure: 1. a panel; 2. a high pressure column; 3. an oil cup; 4. a fixing groove; 5. a guide rod; 6. an electrode; 7. a sealing plate; 8. a position-adjusting rod; 9. a limit sleeve; 10. a positioning button; 11. a fixing ring; 12. sealing cover; 13. sealing sleeve; 14. an insulating sleeve; 15. a bearing; 16. a slide block; 17. a chute; 18. a positioning ring; 19. a scale plate; 20. an observation window; 21. a handle.

Detailed Description

The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the structures or elements being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

As shown in fig. 1-2, this embodiment provides an insulating oil dielectric strength tester workbench, which comprises a panel 1, panel 1 is provided with two high-pressure posts 2, be provided with oil cup 3 between the high-pressure posts 2, be provided with fixed slot 4 on panel 1 and be used for fixed oil cup 3, wear to be equipped with two guide arms 5 on the oil cup 3, the one end that oil cup 3 was kept away from to guide arm 5 contacts with high-pressure post 2, the one end that high-pressure post 2 was kept away from to guide arm 5 is provided with electrode 6, panel 1 is provided with closing plate 7 all around, two positioning rod 8 are worn respectively to closing plate 7 both sides, the one end that positioning rod 8 is close to guide arm 5 is provided with stop collar 9, the one end that guide arm 5 was kept away from to positioning rod 8 is provided with spacer knob 10, guide arm 5 is provided with the solid fixed ring 11 that can nest with stop collar 9 near stop collar 9, closing plate 7 top is provided with sealed lid 12. When the device is used, firstly, oil to be measured is added into the oil cup 3, then the oil cup 3 is placed in a fixed groove on the panel 1, meanwhile, a fixed ring 11 at one end of a guide rod 5 is embedded into a limit sleeve 9, the limit sleeve 9 is connected with a positioning rod 8, and a positioning button 10 at the other end of the positioning rod 8 moves the positioning rod 8 so as to drive the guide rod 5 to adjust a gap between electrodes 6.

As shown in fig. 1-2, preferably, a sealing sleeve 13 is arranged between the guide rods 5 and the oil cups 3, and the sealing sleeve 13 is made of polyimide. Polyimide has good insulating properties and is resistant to high temperatures, and is therefore used as a material for the sealing sleeve 13.

As shown in fig. 1-3, preferably, the high-voltage column 2 and the positioning rod 8 are sleeved with an insulating sleeve 14, one end of the insulating sleeve 14, which is close to the oil cup 3, is provided with a slot, and the insulating sleeve 14 is made of polyimide. The insulating sleeve 14 is designed to be grooved, and the guide rod 5 can be contacted with the high-voltage column 2 to form a passage by directly placing the guide rod 5 on the insulating sleeve 14.

As shown in fig. 2, preferably, the contact portion of the positioning rod 8 and the insulating sleeve 14 is provided with an internal thread, and the inner wall of the insulating sleeve 14 is provided with an external thread. The position adjusting rod 8 is connected with the insulating sleeve 14 through threads, so that the movement of the position adjusting rod 8 is more accurate and controllable.

As shown in fig. 2-3, preferably, a bearing 15 is arranged at the joint of the positioning rod 8 and the limiting sleeve 9, a sliding block 16 is arranged at one end of the limiting sleeve 9, which is close to the panel 1, and a sliding groove 17 corresponding to the sliding block 16 is arranged in the insulating sleeve 14. The positioning rod 8 is in threaded connection and needs to rotate when moving, so that the bearing 15 is arranged between the positioning rod 8 and the limiting sleeve 9 to prevent the limiting sleeve 9 from rotating along with the positioning rod 8, and meanwhile, the sliding block 16 and the sliding groove 17 are used for limiting.

As shown in fig. 4, preferably, a positioning ring 18 is fixedly arranged at the position where the positioning rod 8 passes through the sealing plate 7, a scale plate 19 is arranged outside the positioning ring 18, and the scale plate 19 is fixedly connected to the sealing plate 7. The initial position of the positioning ring 18 is tightly attached to the sealing plate 7, and the corresponding scale on the scale plate 19 is 0, and at the moment, the electrode 6 in the oil cup 3 is tightly attached to the sealing plate, so that the fixing ring at one end of the guide rod 5 can be placed into the limit sleeve 9. The positioning button 10 is rotated, the positioning rod 8 moves outwards of the sealing plate 7, so that the guide rod 5 and the electrode 6 are driven to move, at the moment, the indication of the positioning ring 18 on the scale plates 19 is the displacement distance, and the addition of the indication on the two scale plates 19 is the distance between the electrodes 6.

As shown in fig. 1, preferably, the sealing cover 12 is rotatably connected to the sealing plate 7, a transparent observation window 20 is arranged in the middle of the sealing cover 12, and a handle 21 is arranged on the side surface of the sealing cover 12. A transparent observation window 20 is provided to observe the conditions in the workbench, and a handle 21 is provided to facilitate the opening and closing of the sealing cover 12.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims

1. An insulating oil dielectric strength tester workstation, its characterized in that: including panel (1), panel (1) is provided with two high-pressure posts (2), be provided with oil cup (3) between high-pressure post (2), be provided with fixed slot (4) on panel (1) and be used for fixed oil cup (3), wear to be equipped with two guide arms (5) on oil cup (3), guide arm (5) are kept away from one end of oil cup (3) with high-pressure post (2) contact, guide arm (5) are kept away from one end of high-pressure post (2) is provided with electrode (6), panel (1) are provided with closing plate (7) all around, two positioning rod (8) are worn respectively to be equipped with in closing plate (7) both sides, positioning rod (8) are close to one end of guide arm (5) is provided with stop collar (9), one end that guide arm (5) are close to stop collar (9) one end be provided with can with sealing cap (9) solid fixed ring (11), be provided with nested (12) above closing plate (12).

2. An insulating oil dielectric strength tester workstation as claimed in claim 1, wherein: a sealing sleeve (13) is arranged between the oil cups (3) of the guide rods (5), and the sealing sleeve (13) is made of heat-resistant insulating materials.

3. An insulating oil dielectric strength tester workstation as claimed in claim 1, wherein: the high-voltage column (2) and the position adjusting rod (8) are sleeved with an insulating sleeve (14), one end, close to the oil cup (3), of the insulating sleeve (14) is provided with a groove, and the insulating sleeve (14) is made of a heat-resistant insulating material.

4. A dielectric strength tester table for insulating oil as claimed in claim 3, wherein: the contact part of the position adjusting rod (8) and the insulating sleeve (14) is provided with internal threads, and the inner wall of the insulating sleeve (14) is provided with external threads.

5. An insulating oil dielectric strength tester workstation as recited in claim 4, wherein: the position adjusting rod (8) is provided with a bearing (15) at the joint of the position adjusting rod and the limiting sleeve (9), one end, close to the panel (1), of the limiting sleeve (9) is provided with a sliding block (16), and a sliding groove (17) corresponding to the sliding block (16) is arranged in the insulating sleeve (14).

6. An insulating oil dielectric strength tester workstation as claimed in claim 5, wherein: the positioning rod (8) penetrates through the sealing plate (7) to be fixedly provided with a positioning ring (18), a scale plate (19) is arranged on the outer side of the positioning ring (18), and the scale plate (19) is fixedly connected to the sealing plate (7).

7. An insulating oil dielectric strength tester workstation as claimed in claim 1, wherein: the sealing cover (12) is rotationally connected to the sealing plate (7), a transparent observation window (20) is arranged in the middle of the sealing cover (12), and a handle (21) is arranged on the side face of the sealing cover (12).