CN212365835U

CN212365835U - All-insulated compact load switch equipment

Info

Publication number: CN212365835U
Application number: CN202020319690.8U
Authority: CN
Inventors: 季正林; 季强
Original assignee: Jiangsu Haoneng Power Technology Co ltd
Current assignee: Jiangsu Haoneng Power Technology Co ltd
Priority date: 2020-03-16
Filing date: 2020-03-16
Publication date: 2021-01-15
Anticipated expiration: 2030-03-16

Abstract

The utility model discloses a full insulation compact load switch equipment relates to electrical switching device technical field, has solved load switch on the present market because itself can be through great electric current, consequently the contour phenomenon appears easily to influence staff's life safety's problem. The one end of load switch body is provided with the fixing base, the fixed insulator that is provided with in upper end of fixing base, the below of going up the insulator is provided with down the insulator, and the insulator is provided with two sets ofly down, is close to one side of the lower insulator of going up the insulator installs the plug-in strip, the arc moving contact is installed to the top of plug-in strip, and the arc moving contact rotates through the pivot with the plug-in strip to be connected, the intermediate position department of fixing base front end is provided with insulating nozzle, and the upper end of plug-in strip is located insulating nozzle's front side, the outside of load switch body is paintd insulating paint, the both sides of fixing base all are provided with the mounting hole, the internally mounted of.

Description

All-insulated compact load switch equipment

Technical Field

The utility model relates to an electrical switching apparatus technical field specifically is full-insulated compact load switch equipment.

Background

Simple arc extinguishing devices are generally installed, but the structure is simpler. The figure is a pneumatic high-voltage load switch, and the working process is as follows: during brake opening, under the action of a brake opening spring, the main shaft rotates clockwise, and on one hand, the piston moves upwards through the crank slider mechanism to compress gas; on the other hand, through a transmission system consisting of two sets of four-bar mechanisms, the main knife switch is opened firstly, then the arc extinguishing knife switch is pushed to open the arc contact, and compressed air in the air cylinder blows out electric arcs through the nozzle. The load switch is a switching device between a circuit breaker and a disconnecting switch, and has a simple arc-extinguishing device, and can cut off rated load current and a certain overload current, but can not cut off short-circuit current.

At present, the load switch on the market can pass through larger current, so that the phenomenon of contour is easy to occur, the life safety of workers is influenced, and therefore full-insulation compact load switch equipment is urgently needed to solve the problems in the market.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a full insulation compact load switch equipment to the load switch who proposes in the above-mentioned background art at present on the market appears the contour phenomenon consequently easily owing to itself can be through great electric current in solving, thereby influences staff's life safety's problem.

In order to achieve the above object, the utility model provides a following technical scheme: full-insulation compact load switch equipment, including the load switch body, the one end of load switch body is provided with the fixing base, the fixed insulator that is provided with in upper end of fixing base, the below of going up the insulator is provided with down the insulator, and the insulator is provided with two sets ofly down, is close to one side of the lower insulator of going up the insulator is installed the plug-in strip, the arc moving contact is installed to the top of plug-in strip, and the arc moving contact rotates through the pivot with the plug-in strip and is connected, the intermediate position department of fixing base front end is provided with insulating nozzle, and the upper end of plug-in strip is located insulating nozzle's front side, the outside of load switch body is paintd insulating varnish, the both sides of fixing base all are provided with the mounting hole, the internally.

Preferably, a high-voltage fuse is arranged between the two groups of lower insulators, and a thermal release is installed on one side of the high-voltage fuse.

Preferably, the mounting hole includes L-shaped piece, connecting block, spacing colluding and spacing angle, the L-shaped piece is located one side of fixing base, and the L-shaped piece laminates with the fixing base mutually, the connecting block is located the inside of mounting hole.

Preferably, the limiting hooks are located below the connecting block, and the limiting angle is located on one side, close to the connecting block, of the upper end of each limiting hook.

Preferably, the L-shaped block and the connecting block are of an integrated structure, the L-shaped block and the connecting block comprise a fixing block and a fixing block insulating sleeve, the fixing block insulating sleeve is located outside the fixing block, a spring piece is arranged inside the limiting hook, and the fixing block insulating sleeve and the rubber sleeve are of an integrated structure.

Preferably, the spring piece is connected with the fixed block in a welding mode.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an insulated paint has been paintd in the load switch outside, can form the excellent polyurethane finish of one deck in the load switch outside, isolated moisture and moisture, can dry thoroughly fast and form the one deck tough and tough, and elastic film to let load switch's insulating properties perfect more, solved load switch on the present market because itself can be through great electric current, consequently the contour phenomenon appears easily, thereby influences staff's life safety's problem.

2. The utility model discloses a thereby set up fixed establishment and can replace the screw to carry out fixed mounting to load switch, because fixed block insulation cover and the rubber sleeve that fixed establishment itself outside set up are the rubber material, only need during the installation with connecting block, spacing collude and spacing angle fill in the mounting hole, fill in the back because the elasticity of spring leaf makes it reset to realize holistic spacing, simple to operate, the simple operation reduces simultaneously because the phenomenon of the transmission walking electricity of mounting screw.

Drawings

FIG. 1 is a block diagram of the present invention;

FIG. 2 is a connection diagram of the fixing base and the fixing mechanism of the present invention;

FIG. 3 is a structural diagram of the fixing mechanism of the present invention;

fig. 4 is a partial enlarged view of the area a of the present invention.

In the figure: 1. a load switch body; 2. a fixed seat; 3. an upper insulator; 4. a lower insulator; 5. a high voltage fuse; 6. a thermal trip; 7. insulating paint; 8. a knife switch; 9. an arc moving contact; 10. an insulating nozzle; 11. mounting holes; 12. a fixing mechanism; 13. an L-shaped block; 14. connecting blocks; 15. a limiting hook; 16. limiting the angle; 17. a fixed block; 18. a fixed block insulating sleeve; 19. A spring plate; 20. a rubber sleeve.

Detailed Description

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.

Referring to fig. 1-4, the present invention provides an embodiment: full-insulation compact load switch equipment, including load switch body 1, the one end of load switch body 1 is provided with fixing base 2, the fixed insulator 3 that is provided with in upper end of fixing base 2, the below of going up insulator 3 is provided with lower insulator 4, and lower insulator 4 is provided with two sets ofly, one side of lower insulator 4 that is close to last insulator 3 is installed the plug-in strip 8, arc moving contact 9 is installed to the top of plug-in strip 8, and arc moving contact 9 rotates through the pivot with plug-in strip 8 and is connected, the intermediate position department of fixing base 2 front end is provided with insulating nozzle 10, and the upper end of plug-in strip 8 is located the front side of insulating nozzle 10, insulating paint 7 has been smeared to the outside of load switch body 1, insulating paint 7 has improved the insulating nature of load switch body 1, the both sides of fixing base 2 all are provided with mounting hole 11, the internally mounted of.

Further, a high-voltage fuse 5 is arranged between the two groups of lower insulators 4, and a thermal release 6 is installed on one side of the high-voltage fuse 5.

Further, mounting hole 11 includes L-shaped piece 13, connecting block 14, spacing collude 15 and spacing angle 16, and L-shaped piece 13 is located one side of fixing base 2, and L-shaped piece 13 and fixing base 2 laminate mutually, and connecting block 14 is located the inside of mounting hole 11.

Further, the limiting hook 15 is located below the connecting block 14, and the limiting angle 16 is located on one side, close to the connecting block 14, of the upper end of the limiting hook 15.

Further, L-shaped piece 13 and connecting block 14 structure as an organic whole, L-shaped piece 13 and connecting block 14 include fixed block 17 and fixed block insulating sleeve 18, and fixed block insulating sleeve 18 is located the outside of fixed block 17, and the inside of spacing hook 15 is provided with spring leaf 19, and fixed block insulating sleeve 18 and rubber sleeve 20 structure as an organic whole, fixed block insulating sleeve 18 are rubber construction to can guarantee.

Furthermore, the spring piece 19 is welded with the fixed block 17, and the welded connection enables the spring piece 19 to be connected with the fixed block 17 more stably.

The working principle is as follows: when in use, the device is firstly installed in an electrical cabinet, the load switch body 1 is arranged at a position to be installed, the fixing mechanism 12 is installed in the installation hole 11, the limit angle 16 is firstly folded into the limit hook 15, the limit hook 15 is folded, then the connecting block 14, the limit hook 15 and the limit angle 16 are plugged into the installation hole 11, the limit hook 15 is reset by the spring leaf 19 arranged in the limit hook 15 after being completely plugged, meanwhile, the limit angle 16 is reset due to the rubber material, the upper end of the limit angle 16 is convenient to be attached to the upper end of the fixed seat 2, so that effective friction limiting is carried out, the fixing of the load switch body 1 by the insulating nozzle 10 is realized due to the limiting after the limit hook 15 and the limit angle 16 are reset, the fixed block insulating sleeve 18 and the fixed block insulating sleeve 18 are made of the rubber, and the electricity leakage phenomenon generated by screw fixing can be avoided, meanwhile, the insulating paint 7 coated outside the load switch body 1 can effectively reduce the overall insulating performance of the load switch body 1.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Full-insulated compact load switch equipment, including load switch body (1), its characterized in that: a fixed seat (2) is arranged at one end of the load switch body (1), an upper insulator (3) is fixedly arranged at the upper end of the fixed seat (2), a lower insulator (4) is arranged below the upper insulator (3), two groups of lower insulators (4) are arranged, a knife switch (8) is arranged at one side of the lower insulator (4) close to the upper insulator (3), an arc moving contact (9) is arranged above the knife switch (8), and the arc moving contact (9) is rotationally connected with the switch blade (8) through a rotating shaft, an insulating nozzle (10) is arranged at the middle position of the front end of the fixed seat (2), the upper end of the knife switch (8) is positioned at the front side of the insulating nozzle (10), the exterior of the load switch body (1) is coated with insulating paint (7), both sides of fixing base (2) all are provided with mounting hole (11), the internally mounted of mounting hole (11) has fixed establishment (12).

2. The all-insulated compact load switchgear according to claim 1, wherein: and a high-voltage fuse protector (5) is arranged between the two lower insulators (4), and a thermal release (6) is installed on one side of the high-voltage fuse protector (5).

3. The all-insulated compact load switchgear according to claim 1, wherein: the mounting hole (11) comprises an L-shaped block (13), a connecting block (14), a limiting hook (15) and a limiting angle (16), the L-shaped block (13) is located on one side of the fixing seat (2), the L-shaped block (13) is attached to the fixing seat (2), and the connecting block (14) is located inside the mounting hole (11).

4. The all-insulated compact load switchgear according to claim 3, wherein: the limiting hook (15) is located below the connecting block (14), and the limiting angle (16) is located on one side, close to the connecting block (14), of the upper end of the limiting hook (15).

5. The all-insulated compact load switchgear according to claim 3, wherein: l-shaped block (13) and connecting block (14) structure as an organic whole, L-shaped block (13) and connecting block (14) are including fixed block (17) and fixed block insulating sleeve (18), fixed block insulating sleeve (18) are located the outside of fixed block (17), the inside of spacing colluding (15) is provided with spring leaf (19), fixed block insulating sleeve (18) and rubber sleeve (20) structure as an organic whole.

6. The all-insulated compact load switchgear according to claim 5, wherein: the spring piece (19) is connected with the fixed block (17) in a welding mode.