Transformer bushing voltage-sharing ball with adjustable direction

Abstract

The utility model relates to the technical field of voltage-sharing balls, in particular to a transformer bushing voltage-sharing ball with adjustable orientation, which comprises a ball body, a limit groove arranged at the top of the ball body, a guide pillar arranged above the limit groove, a capacitor core arranged at the top of the guide pillar, a limit ring arranged at the position of the guide pillar corresponding to the limit groove, a connecting seat arranged at the bottom of the guide pillar, and an oil plate arranged at the bottom of the connecting seat. According to the transformer bushing voltage-sharing ball capable of adjusting the direction, the guide column is arranged to be inserted into the ball body, the limiting ring is matched with the limiting groove in an inserted mode, the capacitor core body and the guide column are welded and combined, the connecting base and the guide column are combined and fixed, and 360-degree rotation matching of the guide column and the ball body is achieved under matching of the connecting base; friction force between the lock nut and the guide column controls the connection seat and the ball body to be fixed after rotation, the connection seat and the guide column are fixed in position under cooperation of the fixing bolt, connection and installation of external wires are facilitated under cooperation of the oil plate, and the wires penetrate through the corresponding openings to achieve multi-position connection and fixation operation.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of voltage equalizing ball, concretely is transformer bushing voltage equalizing ball of adjustable direction. BACKGROUND

[0002] The transformer voltage equalizing ball is an annular steel ring installed at the top of the insulator bushing, due to the effect of the distributed capacitance to the ground, when the insulator is struck by lightning, the voltage distribution it bears is uneven, and most of the voltage drop is distributed within a very short distance at one end of the insulator struck by lightning;

[0003] The utility model discloses a kind of voltage equalizing balls for transformer bushing, including seat body, the top of seat body is equipped with fixed plate, fixed plate is equipped with connecting rod, connecting rod top is provided with ball, the bottom of seat body is equipped with mounting ring, the outer wall of one side of mounting ring is equipped with outer slot hole, the inner wall of one side of mounting ring is equipped with inner slot hole, the outer slot hole and inner slot hole are communicated and are formed with a hole cavity, the hole cavity is provided with clamping mechanism inside;

[0004] The above technical scheme, the top of connecting rod is provided with ball, the ball is made of insulating material, and can play a good lightning protection effect;By the cooperation of button end, push rod and movable piece, the clamping block in the inner slot hole can be flexibly extended along the horizontal direction, and the clamping and fixing of the transformer bushing are realized;But the voltage equalizing ball is not convenient for 360 degree rotation cooperation, the position is not convenient for position fixing after adjustment, and it is not convenient for position fixing of oil plate through voltage equalizing ball and external connecting plate in different directions. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing transformer bushing voltage equalizing ball of adjustable direction to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] Transformer bushing voltage equalizing ball of adjustable direction, including ball, the top of ball is equipped with limit slot, the limit slot is equipped with guide column above, the top of guide column is equipped with capacitor core, the limit ring is equipped with in the corresponding place of guide column on limit slot, the bottom of guide column is equipped with joint seat, the bottom of joint seat is equipped with oil plate.

[0008] Further, the outer wall of the guide column is also provided with a disc spring near the limit ring, the inner diameter of the disc spring is matched with the outer diameter of the guide column, and the outer diameter of the disc spring is matched with the inner diameter of the inner ring of the limit slot.

[0009] In the utility model, the disc spring is matched with the bottom of the guide column, and the locking nut is prevented from affecting the installation and fixation of the guide column and the ball under the cooperation of the disc spring.

[0010] Specific, the limit ring and guide pillar are integrally formed structure, the limit ring outer diameter and limit groove inner diameter are matched.

[0011] In the utility model, the limit ring and the limit groove are inserted and matched, and the stability of the installation of the guide pillar and the ball body is increased.

[0012] Need to explain, the oil plate bottom is fixedly connected with the joint seat top through screw, the lock nut is symmetrically arranged on the joint seat near the edge, and the lock nut and the limit groove at the bottom of the ball body are close to each other.

[0013] In the utility model, the oil plate and the joint seat are combined and fixed, and under the cooperation of the joint seat, the oil plate is helpful to the rotation cooperation on the ball body, and under the action of the lock nut, the combined fixing of the ball body after rotation is realized.

[0014] Further, screw holes are symmetrically arranged on the lower surface of the joint seat near the edge, a fixing bolt is arranged in each screw hole, the fixing bolt passes through the joint seat, and the end portion is close to the inner wall of the ball body.

[0015] In the utility model, the fixing bolt is threadedly connected with the screw hole, and the end portion is close to the guide pillar, so that the joint seat and the guide pillar are fixed under the action of friction.

[0016] Specifically, the capacitor core body top is welded and fixed with the guide pillar bottom, the guide pillar penetrates into the ball body, and an opening is formed on the outer wall of the ball body corresponding to the oil plate.

[0017] In the utility model, the terminal end of the capacitor core body is electrically connected with the connecting end column in the transformer through a wire, the guide pillar is rotationally connected with the ball body, and the oil plate is electrically connected with external electrical appliances through the connecting wire penetrating through the opening.

[0018] Compared with the prior art, the utility model has the advantages that:

[0019] 1. In the utility model, the guide pillar penetrates into the ball body, the limit ring and the limit groove are inserted and matched, the capacitor core body and the guide pillar are welded and combined, the joint seat and the guide pillar are combined and fixed, the guide pillar and the ball body are rotationally matched under the cooperation of the joint seat, the position of the joint seat and the ball body after rotation is fixed by the friction force between the lock nut and the guide pillar, the position of the joint seat and the guide pillar is fixed under the cooperation of the fixing bolt, the connection and installation of external wires are facilitated under the cooperation of the oil plate, the external wires penetrate through the corresponding openings, and the connection and fixing operation is realized at multiple positions.

[0020] 2. In the utility model, the limit ring and the limit groove are inserted and matched, the stability of the installation of the guide pillar and the ball body is increased, the lock nut is prevented from being buckled under the cooperation of the disc spring, the lock nut is rotationally fixed through an external wrench, the position between the lock nut, the ball body and the guide pillar is fixed, and the rotation between the ball body and the guide pillar is reduced, so that the overall sleeving installation and use are facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the whole structure schematic diagram of the utility model;

[0022] Figure 2 It is the ball structure schematic diagram of the utility model;

[0023] Figure 3 It is the capacitor core and the combined structure schematic diagram of connecting seat and disc spring of the utility model;

[0024] Figure 4 It is the whole cross section structure schematic diagram of the utility model.

[0025] The meaning of each mark in the drawing is as follows:

[0026] 1, ball;10, limit slot;11, opening;

[0027] 2, guide column;20, limit ring;

[0028] 3, capacitor core;

[0029] 4, oil plate;

[0030] 5, connecting seat;50, lock nut;51, screw hole;510, fixed bolt;

[0031] 6, disc spring. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0033] Please refer to Figures 1-4 The technical solutions in the embodiments of the utility model are provided as follows:

[0034] The adjustable azimuth transformer bushing equalizing ball includes a ball 1, a limit slot 10 is formed at the top of the ball 1, a guide column 2 is arranged above the limit slot 10, a capacitor core 3 is arranged at the top of the guide column 2, a limit ring 20 is arranged at the corresponding position of the limit slot 10 on the guide column 2, the limit ring 20 is integrally formed with the guide column 2, and the outer diameter of the limit ring 20 is matched with the inner diameter of the limit slot 10.

[0035] In the utility model, the limit ring 20 is inserted and matched with the limit slot 10, so that the stability of the installation of the guide column 2 and the ball 1 is increased.

[0036] Further, the guide column 2 bottom is equipped with the joint seat 5, the joint seat 5 lower surface is symmetrically provided with the screw hole 51 near the edge, the screw hole 51 is equipped with the fixed bolt 510, the fixed bolt 510 passes through the joint seat 5, and the end portion is close to the inner wall of the ball 1.

[0037] In the utility model, the fixed bolt 510 is threadedly connected with the screw hole 51, and the end portion is close to the guide column 2, and the joint seat 5 is fixed with the guide column 2 under the action of friction.

[0038] Specifically, the joint seat 5 bottom is equipped with the oil plate 4.

[0039] Secondly, the guide column 2 outer wall is further equipped with the disc spring 6 near the limiting ring 20, the disc spring 6 inner diameter is matched with the guide column 2 outer diameter, and the disc spring 6 outer diameter is matched with the inner diameter of the limiting groove 10 inner ring.

[0040] In the utility model, the disc spring 6 is sleeved with the guide column 2 bottom, and the disc spring 6 is matched, to prevent the lock nut 50 from affecting the installation and fixation of the guide column 2 and the ball 1.

[0041] It should be noted that the oil plate 4 bottom is fixedly connected with the joint seat 5 top by screw, the joint seat 5 is symmetrically provided with the lock nut 50 near the edge, and the lock nut 50 is close to the limiting groove 10 of the ball 1 bottom.

[0042] In the utility model, the oil plate 4 is fixedly combined with the joint seat 5, is matched with the joint seat 5, is matched with the oil plate 4 on the ball 1, is matched with the lock nut 50, and the combined fixation of the ball 1 after rotation is realized.

[0043] Further, the capacitor core 3 top is welded and fixed with the guide column 2 bottom, the guide column 2 is inserted into the ball 1 inside, and the ball 1 outer wall is provided with the opening 11 at the corresponding position of the oil plate 4.

[0044] In the utility model, the capacitor core 3 tail end is electrically connected with the connecting terminal column in the transformer through the wire, the guide column 2 is rotationally connected with the ball 1, and the oil plate 4 is electrically connected with external electrical appliances through the connecting wire passing through the opening 11.

[0045] When the adjustable direction transformer bushing equalizing ball of the embodiment is used, the user first combines and fixes the capacitor core 3 with the guide column 2, then sets the limiting ring 20 on the guide column 2, sets the disc spring 6 on the guide column 2 bottom, then combines and fixes the oil plate 4 bottom with the guide column 2 top, and the oil plate 4 is inserted into the ball 1, is matched with the limiting ring 20 and the limiting groove 10, the guide column 2 and the ball 1 are combined and fixed, the joint seat 5 is fixedly installed with the guide column 2 bottom under the cooperation of the lock nut 50, and the position of the lock nut 50 and the ball 1 is fixed under the cooperation of the fixed bolt 510.

[0046] When the horizontal rotation of 360 degrees is needed, the lock nut 50 is loosened by the wrench, the horizontal direction of the ball 1 is manually rotated, and the external wire passes through the opening 11 and is fixed with the combination of the oil plate 4, then the lock nut 50 is rotated by the wrench to fix the position of the connecting seat 5 and the ball 1 by the lock nut 50, and then the fixed combination of the ball 1 rotating direction is achieved, the overall combination is convenient to install, and the capacitor core 3 is electrically connected with the electric appliance on the external transformer through the wire.

Claims

1. An adjustable orientation grading sphere for transformer bushings, comprising a sphere (1), characterized in that: The ball (1) top is provided with a limiting slot (10), the limiting slot (10) is provided with a guide column (2) above, the guide column (2) top is provided with a capacitor core (3), the guide column (2) is provided with a limiting ring (20) on the corresponding place of limiting slot (10), the guide column (2) bottom is provided with a connecting seat (5), the connecting seat (5) bottom is provided with an oil plate (4).

2. The adjustable orientation grading sphere for transformer bushings according to claim 1, characterized in that: The guide column (2) outer wall is also provided with a disc spring (6) near the limiting ring (20), the disc spring (6) inner diameter is matched with the guide column (2) outer diameter, the disc spring (6) outer diameter is matched with the inner diameter of the inner ring of limiting slot (10).

3. The adjustable orientation grading sphere for transformer bushings according to claim 1, characterized in that: The limiting ring (20) and guide column (2) are integrally formed, the limiting ring (20) outer diameter is matched with the limiting slot (10) inner diameter.

4. The adjustable orientation grading sphere for transformer bushings according to claim 1, characterized in that: The oil plate (4) bottom is fixedly connected with the connecting seat (5) top by screw, the connecting seat (5) is symmetrically provided with a lock nut (50) near the edge, the lock nut (50) and the limiting slot (10) of the ball (1) bottom are close to each other.

5. The adjustable orientation grading sphere for transformer bushings according to claim 1, characterized in that: The connecting seat (5) lower surface is symmetrically provided with a screw hole (51) near the edge, the screw hole (51) is provided with a fixed bolt (510), the fixed bolt (510) passes through the connecting seat (5), and the end is close to the inner wall of the ball (1).

6. The adjustable orientation grading sphere for transformer bushings according to claim 1, characterized in that: The capacitor core (3) top is welded with the guide column (2) bottom, the guide column (2) penetrates into the ball (1) inside, and the ball (1) outer wall is provided with an opening (11) corresponding to the oil plate (4).

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