CN218382024U

CN218382024U - Withstand voltage device of multi-specification insulating box of stator bar

Info

Publication number: CN218382024U
Application number: CN202222620721.5U
Authority: CN
Inventors: 张平; 刘东洋; 胡会杰; 刘昕雨; 梁帅
Original assignee: Sinohydro Engineering Bureau 4 Co Ltd
Current assignee: Sinohydro Engineering Bureau 4 Co Ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-01-24
Anticipated expiration: 2032-09-30

Abstract

The utility model discloses a stator bar multi-specification insulation box pressure-resistant device, which comprises a limiting pressure-resistant mechanism, wherein the limiting pressure-resistant mechanism comprises a bottom plate, a first return plate, a partition plate, a side plate and an insulation box body; the top fixedly connected with first time shaped plate of bottom plate, the top of first time shaped plate is equipped with second time shaped plate. The utility model discloses with the insulating box body downstream to the connecting plate extrusion, make the connecting plate drive the curb plate and remove to spring compression, and under the effect of spring self elasticity, make the outside of curb plate and the outside of insulating box body contact, the second that moves down returns the top that the shaped plate made its and first time shaped plate to contact, at the plank, the sponge board, under the cooperation of copper sheet, the withstand voltage efficiency of insulating box body has been improved, the efficiency of the test is improved, shorten test time, guarantee the incessant of stator installation work simultaneously, consuming time is short, and can guarantee withstand voltage distance, the phenomenon of discharging is difficult to appear.

Description

Withstand voltage device of multi-specification insulating box of stator bar

The technical field is as follows:

the utility model relates to an insulating box pressure equipment technical field specifically is a stator bar multi-specification insulating box pressure equipment.

The background art comprises the following steps:

at present, when a stator of a hydroelectric engineering unit is installed in a wiring manner, a stator winding insulation box needs to be subjected to withstand voltage inspection, the performance of the hydroelectric engineering unit is ensured to meet the installation requirement, but in the practical situation, the withstand voltage quantity is large, the withstand voltage speed is low under the condition that the quantity of withstand voltage test tools is limited, and a single withstand voltage consumes long time, if one withstand voltage is hit, a lead wire required by an insulation withstand voltage test needs to be connected with other lead wires in series, so that the time is consumed, and therefore the withstand voltage efficiency needs to be improved.

The utility model has the following contents:

an object of the utility model is to provide a many specifications of stator bar insulating box pressure resistant device to solve one of the problem that proposes in the above-mentioned background art.

The utility model discloses by following technical scheme implement: a multi-specification insulation box voltage-withstand device of a stator bar comprises a limiting voltage-withstand mechanism, wherein the limiting voltage-withstand mechanism comprises a bottom plate, a first return plate, a partition plate, side plates and an insulation box body;

the top fixedly connected with first time board of bottom plate, the top of first time board is equipped with the second time board, the equal fixed cover in inboard of first time board and second time board is equipped with a plurality of baffles, adjacent two movable contact has same insulating box body between the baffle, first time board and second time board sliding sleeve establish in insulating box body's the outside, all be equipped with the plank in first time board, second time board and the baffle, the outside fixedly connected with sponge board of plank, the outside cladding of sponge board has the copper sheet, a plurality of recesses have all been seted up on the both sides inner wall of first time board, the inboard of first time board is equipped with a plurality of curb plates, the top fixedly connected with connecting plate of curb plate.

As further preferable in the present technical solution: the bottom of the side plate is in sliding connection with the top of the bottom plate, and the top of the connecting plate is in sliding connection with the inner wall of the top of the corresponding groove.

As further preferable in the present technical solution: the movable blocks are fixedly connected to one sides, far away from each other, of the two corresponding side plates, and rectangular blocks are fixedly connected to the front sides and the rear sides of the movable blocks.

As further preferable in the present technical solution: the two corresponding grooves are fixedly connected with two round rods on one side away from each other, and the rectangular blocks are sleeved on the outer sides of the corresponding round rods in a sliding mode.

As a further preferred aspect of the present invention: the end part of the round rod is fixedly connected with a round block, and the round block and the corresponding rectangular block are fixedly connected with the same spring.

As further preferable in the present technical solution: the springs are movably sleeved on the outer sides of the corresponding round rods, and polyethylene plates are arranged in the side plates.

As a further preferred aspect of the present invention: the side plates are internally bonded with mineral wool plates, and the inner wall of the top of the insulating box body is provided with two exhaust holes.

As further preferable in the present technical solution: and a glue pouring hole is formed in the inner wall of the top of the insulating box body.

The utility model has the advantages that: the utility model discloses with the insulating box body downstream to the connecting plate extrusion, make the connecting plate drive the curb plate and remove to spring compression, and under the effect of spring self elasticity, make the outside of curb plate and the outside of insulating box body contact, the second that moves down returns the top that the shaped plate made its and first time shaped plate to contact, at the plank, the sponge board, under the cooperation of copper sheet, the withstand voltage efficiency of insulating box body has been improved, the efficiency of the test is improved, shorten test time, guarantee the incessant of stator installation work simultaneously, consuming time is short, and can guarantee withstand voltage distance, the phenomenon of discharging is difficult to appear.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of a front perspective structure of the present invention;

FIG. 2 is a schematic perspective view of the second return plate of FIG. 1 with the second return plate removed;

fig. 3 is a schematic front sectional three-dimensional structure of the first forming plate of the present invention;

FIG. 4 is a schematic view of the internal three-dimensional structure of the middle partition plate of the present invention;

FIG. 5 is an enlarged schematic perspective view of the area A in FIG. 3;

fig. 6 is a schematic view of the internal three-dimensional structure of the middle side plate of the present invention.

In the figure: 1. a limiting pressure-resistant mechanism; 2. a base plate; 3. a first return plate; 4. a second return plate; 5. a partition plate; 6. a wood board; 7. a sponge plate; 8. copper sheet; 9. a groove; 10. a side plate; 11. a connecting plate; 12. a moving block; 13. a rectangular block; 14. a round bar; 15. a round block; 16. a spring; 17. a polyethylene sheet; 18. a mineral wool board; 19. an insulating case; 20. an exhaust hole; 21. and (6) filling glue holes.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Examples

Referring to fig. 1-6, the present invention provides a technical solution: a multi-specification insulation box voltage-withstand device of a stator bar comprises a limiting voltage-withstand mechanism 1, wherein the limiting voltage-withstand mechanism 1 comprises a bottom plate 2, a first return plate 3, a partition plate 5, a side plate 10 and an insulation box body 19;

the top fixedly connected with first time board 3 of bottom plate 2, the top of first time board 3 is equipped with second time board 4, the equal fixed cover in inboard of first time board 3 and second time board 4 is equipped with a plurality of baffles 5, movable contact has same insulating box body 19 between two adjacent baffles 5, first time board 3 and the outside at insulating box body 19 is established to second time board 4 slip cap, first time board 3, all be equipped with plank 6 in second time board 4 and the baffle 5, the outside fixedly connected with sponge board 7 of plank 6, the outside cladding of sponge board 7 has copper sheet 8, a plurality of recesses 9 have all been seted up on the both sides inner wall of first time board 3, the inboard of first time board 3 is equipped with a plurality of curb plates 10, the top fixedly connected with connecting plate 11 of curb plate 10, the outside of insulating box body 19 extrudees corresponding connecting plate 11.

In this embodiment, specifically: the bottom of the side plate 10 is connected with the top of the bottom plate 2 in a sliding mode, the top of the connecting plate 11 is connected with the inner wall of the top of the corresponding groove 9 in a sliding mode, and the connecting plate 11 is arranged to achieve the connecting effect.

In this embodiment, specifically: the equal fixedly connected with movable block 12 in one side that two corresponding curb plates 10 kept away from each other, the equal fixedly connected with rectangle piece 13 in front side and the rear side of movable block 12, the setting of movable block 12 has played the effect of removal.

In this embodiment, specifically: two corresponding grooves 9 are respectively fixedly connected with two round rods 14 on one side far away from each other, the rectangular blocks 13 are slidably sleeved on the outer sides of the corresponding round rods 14, and the round rods 14 are arranged to achieve the positioning effect.

In this embodiment, specifically: the end part of the round rod 14 is fixedly connected with a round block 15, the same spring 16 is fixedly connected between the round block 15 and the corresponding rectangular block 13, and the spring 16 is arranged to achieve the effect of automatic resetting.

In this embodiment, specifically: the springs 16 are movably sleeved on the outer sides of the corresponding round rods 14, polyethylene plates 17 are arranged in the side plates 10, and the polyethylene plates 17 and the mineral wool plates 18 have good pressure-resistant and antistatic effects.

In this embodiment, specifically: mineral wool board 18 is bonded in the side plate 10, two exhaust holes 20 are formed in the inner wall of the top of the insulating box body 19, and the exhaust holes 20 achieve the exhaust effect of the insulating box body 19.

In this embodiment, specifically: seted up encapsulating hole 21 on the top inner wall of insulating box 19, carry out the encapsulating through the setting of encapsulating hole 21 to insulating box 19.

Working principle or structural principle, during the use, with insulating box 19 remove downwards, make insulating box 19's the outside extrude corresponding connecting plate 11, make connecting plate 11 drive corresponding curb plate 10 and remove, curb plate 10 drives corresponding movable block 12 and removes, movable block 12 drives two corresponding rectangular blocks 13 and removes, rectangular block 13 slides in the outside of corresponding round bar 14, rectangular block 13 compresses corresponding spring 16 at the in-process that removes, thereby make insulating box 19 remove to in the first return plate 3, the bottom of insulating box 19 contacts with the top of bottom plate 2, this moment under the effect of spring 16 self elasticity, make the outside of curb plate 10 contact with the outside of insulating box 19 and carry out spacingly, remove second return plate 4 downwards immediately, second return plate 4 drives corresponding baffle 5 and slides in the outside of insulating box 19, the bottom of second return plate 4 contacts with the top of first return plate 3, thereby improved withstand voltage speed, and single withstand voltage is short-time, at the same time at wood board 6, sponge board 7,

copper sheet

8, 17 and mineral wool board 18's outside slip, the bottom of first return plate contacts with the top of first return plate 3, thereby the efficiency of the insulating box 19 is improved, the linear discharge efficiency, the phenomenon of the withstand voltage has been shortened, the phenomenon, the factor of the phenomenon has been reduced, the phenomenon of the straight line.

The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The withstand voltage device of the multi-specification insulating box of the stator bar is characterized by comprising a limiting withstand voltage mechanism (1), wherein the limiting withstand voltage mechanism (1) comprises a bottom plate (2), a first return plate (3), a partition plate (5), a side plate (10) and an insulating box body (19);

the top fixedly connected with first time board (3) of bottom plate (2), the top of first time board (3) is equipped with second time board (4), the inboard of first time board (3) and second time board (4) is all fixed the cover and is equipped with a plurality of baffles (5), adjacent two movable contact has same insulation box body (19) between baffle (5), first time board (3) and second time board (4) slip cap are established in the outside of insulation box body (19), all be equipped with plank (6) in first time board (3), second time board (4) and baffle (5), the outside fixedly connected with sponge board (7) of plank (6), the outside cladding of sponge board (7) has copper sheet (8), all seted up a plurality of recesses (9) on the both sides inner wall of first time board (3), the inboard of first time board (3) is equipped with a plurality of curb plates (10), the top fixedly connected with connecting plate (11) of curb plate (10).

2. A stator bar multi-gauge insulating case withstand voltage device according to claim 1, characterized in that: the bottom of the side plate (10) is in sliding connection with the top of the bottom plate (2), and the top of the connecting plate (11) is in sliding connection with the inner wall of the top of the corresponding groove (9).

3. A stator bar multi-gauge insulating case withstand voltage device according to claim 2, characterized in that: and moving blocks (12) are fixedly connected to the sides, far away from each other, of the two corresponding side plates (10), and rectangular blocks (13) are fixedly connected to the front sides and the rear sides of the moving blocks (12).

4. A stator bar multi-gauge insulating case withstand voltage device according to claim 3, characterized in that: the two corresponding grooves (9) are fixedly connected with two round rods (14) on one side away from each other, and the rectangular blocks (13) are slidably sleeved on the outer sides of the corresponding round rods (14).

5. The stator bar multi-specification insulating case pressure-resistant device of claim 4, wherein: the end part of the round rod (14) is fixedly connected with a round block (15), and the round block (15) and the corresponding rectangular block (13) are fixedly connected with the same spring (16).

6. A stator bar multi-gauge insulating case withstand voltage device as defined in claim 5, wherein: the springs (16) are movably sleeved on the outer sides of the corresponding round rods (14), and polyethylene plates (17) are arranged in the side plates (10).

7. The stator bar multi-gauge insulating case withstand voltage device of claim 6, wherein: the mineral wool board (18) is bonded in the side board (10), and two exhaust holes (20) are formed in the inner wall of the top of the insulating box body (19).

8. A stator bar multi-gauge insulating can withstand voltage device as defined in claim 7, wherein: and a glue pouring hole (21) is formed in the inner wall of the top of the insulating box body (19).