CN219513883U

CN219513883U - Sliding exciter shield

Info

Publication number: CN219513883U
Application number: CN202320634147.0U
Authority: CN
Inventors: 张孙德
Original assignee: Fujian Yaomei Straits Electromechanical Technology Co ltd
Current assignee: Fujian Yaomei Straits Electromechanical Technology Co ltd
Priority date: 2023-03-28
Filing date: 2023-03-28
Publication date: 2023-08-11
Anticipated expiration: 2033-03-28

Abstract

The utility model discloses a sliding exciter shield, which comprises a base, wherein a bearing table is arranged at the center of the top of the base, an arc-shaped groove is arranged at the top of the bearing table, an exciter element is arranged in the arc-shaped groove in a bonding manner, a first shield is arranged on the left side of the exciter element, a second shield is arranged on the right side of the exciter element, sliding grooves are symmetrically arranged on the front side and the rear side of the base, the bottom ends of the first shield and the second shield are correspondingly extended into the sliding grooves, the first shield and the second shield are connected with the base in a sliding manner, and the two-way sliding shield is arranged to enable the first shield and the second shield to be more convenient to detect, adjust and clean the exciter element while keeping sufficient tightness, and avoid corrosion and pollution of external environment.

Description

Sliding exciter shield

Technical Field

The utility model relates to the technical field of motor shields, in particular to a sliding exciter shield.

Background

The excitation system of the synchronous generator refers to a power supply for supplying excitation current to the synchronous generator and auxiliary equipment thereof, and has the main functions of supplying the excitation current required by maintaining a certain voltage and a certain reactive output to the generator when the generator normally operates; when the power system is short-circuited, the load suddenly increases and decreases, the generator is forcedly excited and demagnetized, so that the running stability and reliability of the power system are improved, a shield is required to be additionally arranged to isolate the exciter from external environment erosion pollution, but the exciter is required to clean the surface of the carbon brush regularly, the tightening force of the carbon brush is adjusted, the service life of part of the carbon brush is shorter, frequent replacement is required, and the like.

Disclosure of Invention

The utility model aims to provide a sliding exciter shield, which adopts a bidirectional sliding shield to rapidly open and close, so that the adjustment and cleaning work can be carried out more efficiently, and frequent disassembly and assembly are avoided.

In order to achieve the above-mentioned purpose, provide a slidingtype exciter guard shield, the on-line screen storage device comprises a base, the top center department of base is provided with the plummer, the top of plummer is equipped with arc type recess, the exciter component has been placed to the laminating in the arc type recess, the left side of exciter component is provided with first guard shield, the right side of exciter component is provided with the second guard shield, the symmetry is provided with the spout on the front and back both sides of base, the inside of spout is all extended into relatively to the bottom of first guard shield and second guard shield for first guard shield and second guard shield all with base side-to-side sliding connection, fixedly connected with lantern ring on the right side of first guard shield, the top center department of lantern ring is provided with the through-hole, be provided with the button in the through-hole, the bottom of button is provided with replying resilient means, the pressing element at replying resilient means top and button fixed connection, just rather than fixed connection in the inner wall of the equal half interior embedding of left side of above-mentioned reply resilient means and button, make it can make things convenient for the detection to the exciter component and keep sufficient sealing performance and the clearance outside simultaneously to avoid polluting the environment through setting up slidingtype guard shield.

According to the sliding exciter shield, the center of the left side of the first shield is provided with the round opening, the edges of the round opening are provided with round corners, the rotating shaft can pass through conveniently, and meanwhile friction between the rotating shaft and the shield is reduced.

According to the sliding exciter shield, the center of the top of the first shield and the center of the top of the second shield are respectively provided with a base plate, the bottoms of the base plates extend into the inner walls of the first shield and the second shield and are fixedly connected with the inner walls of the first shield and the second shield, and the tops of the base plates are respectively provided with a plurality of anti-slip belts, so that the shields are pushed outwards to be opened by pressing conveniently.

According to the sliding exciter shield, the sealing gasket is arranged on the inner side of the lantern ring, so that the tightness during closing is improved.

According to a slidingtype exciter guard shield, the top edge of through-hole all sets up the fillet and its cover has the dust guard film, avoids long-time deposition to cause the jam to the through-hole is inside, can regularly change the dust guard film, sets up the fillet simultaneously and avoids producing the fish tail to the finger.

According to the sliding exciter shield, the center of the top of the right side of the first shield is provided with the limiting hole, the limiting rod is matched in the limiting hole, the right end of the limiting rod is fixedly connected with the left side of the second shield, the phenomenon that the dead weight of two sides of the shield pulled open the shield generates larger pressure on the edge of the base chute is avoided, and the smoothness of the chute is easily damaged to enable sliding to become unsmooth.

The utility model has the beneficial effects that:

1. according to the utility model, the bidirectional sliding type shield is arranged, so that the detection, adjustment and cleaning of the exciter element can be more convenient, and meanwhile, the sufficient tightness is maintained, and the corrosion and pollution of the external environment are avoided.

Drawings

The utility model is further described below with reference to the drawings and examples;

FIG. 1 is an internal schematic view of a sliding exciter guard according to the present utility model;

FIG. 2 is a schematic illustration of a backing plate and anti-skid band in a sliding exciter shield according to the present utility model;

FIG. 3 is an enlarged view of FIG. 1 at A;

fig. 4 is an overall schematic of a sliding exciter shield according to the present utility model.

Legend description:

1. a base; 2. a carrying platform; 3. an exciter element; 4. a first shield; 5. a second shield; 6. a chute; 7. a collar; 8. a return elastic means; 9. a button; 10. a through hole; 11. a circular opening; 12. a backing plate; 13. an anti-slip belt; 14. and a limiting hole.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-4, a bearing table 2 is arranged at the center of the top of a base 1, an arc-shaped groove is arranged at the top of the bearing table 2, an exciter element 3 is placed in the arc-shaped groove in a bonding manner, a first shield 4 is arranged at the left side of the exciter element 3, a second shield 5 is arranged at the right side of the exciter element 3, sliding grooves 6 are symmetrically arranged on the front side and the rear side of the base 1, bottom ends of the first shield 4 and the second shield 5 extend into the sliding grooves 6 relatively, so that the first shield 4 and the second shield 5 are in sliding connection with the base 1 left and right, a lantern ring 7 is fixedly connected on the right side of the first shield 4, a through hole 10 is arranged at the center of the top of the lantern ring 7, a button 9 is arranged in the through hole 10, a restoring elastic device 8 is arranged at the bottom of the button 9, a pressing element at the top of the restoring elastic device 8 is fixedly connected with the button 9, the elastic device 8 and the button 9 are embedded into the inner wall of the second shield 5 in the left side of the elastic device and the button 9, the circular opening 11 is arranged at the center of the left side of the first shield 4, round corners are arranged at the edges of the circular opening 11, the backing plates 12 are arranged at the centers of the tops of the first shield 4 and the second shield 5, the bottoms of the backing plates 12 extend into the inner wall of the first shield 4 and the inner wall of the second shield 5 and are fixedly connected with the inner wall, a plurality of anti-slip belts 13 are arranged at the tops of the backing plates 12, sealing gaskets are arranged on the inner side of the collar 7, round corners are arranged at the edges of the top of the through holes 10 and are covered with dustproof films, limiting holes 14 are formed in the center of the top of the right side of the first shield 4, limiting rods are matched in the limiting holes 14, and the right ends of the limiting rods are fixedly connected with the left side of the second shield 5.

Working principle: in the utility model, the first shield 4 and the second shield 5 are relatively slid along the sliding groove 6 to be closed when detection is not needed, the push button 9 is pushed to be ejected and clamped in the through hole 10 of the lantern ring 7 through the return elastic device 8 to be fixed, the push button 9 is pushed to be pressed down when detection is needed, and the backing plate 12 is pushed to push the first shield 4 and the second shield 5 outwards.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims

1. The utility model provides a slidingtype exciter guard shield, includes base (1), its characterized in that, the top center department of base (1) is provided with plummer (2), the top of plummer (2) is equipped with arc type recess, exciter element (3) have been placed to the laminating in the arc type recess, the left side of exciter element (3) is provided with first guard shield (4), the right side of exciter element (3) is provided with second guard shield (5), the symmetry is provided with spout (6) on the front and back both sides of base (1), the inside of spout (6) is all extended relatively to the bottom of first guard shield (4) and second guard shield (5) for sliding connection about first guard shield (4) and second guard shield (5) all with base (1), fixedly connected with lantern ring (7) on the right side of first guard shield (4), the top center department of lantern ring (7) is provided with through-hole (10), be provided with button (9) in through-hole (10), the bottom of button (9) is provided with in elastic return device (8) and the top of second guard shield (8) and the equal elastic return device (8) and the inside of second guard shield (8) are connected with in the top of the equal fixed device (8.

2. A sliding exciter shield according to claim 1, characterised in that the centre of the left side of the first shield (4) is provided with a circular opening (11), the edges of the circular opening (11) being provided with rounded corners.

3. A sliding exciter shield according to claim 1, characterized in that the top centers of the first shield (4) and the second shield (5) are provided with backing plates (12), the bottoms of the backing plates (12) extend into the inner walls of the first shield (4) and the second shield (5) and are fixedly connected with the inner walls, and the tops of the backing plates (12) are provided with a plurality of anti-slip belts (13).

4. A sliding exciter shield according to claim 1, characterized in that a sealing gasket is provided on the inside of the collar (7).

5. A sliding exciter shield according to claim 1, characterised in that the top edges of the through holes (10) are rounded and covered with a dust-proof film.

6. A sliding exciter shield according to claim 1, characterized in that the center of the right top of the first shield (4) is provided with a limiting hole (14), a limiting rod is fitted in the limiting hole (14), and the right end of the limiting rod is fixedly connected with the left side of the second shield (5).