Shielding grading ring

Abstract

The utility model relates to a shielding grading ring, and aims to solve the technical problem that the efficiency of mounting grading rings at two ends of an insulating string is affected because the grading rings need to be mounted twice for a relatively long insulating string at present. The shielding grading ring comprises a first ring body and a second ring body, and two sides of an inner cavity of the first ring body are connected with connecting rods; a first arc-shaped plate is connected between the two connecting rods, a second arc-shaped plate is arranged on the first arc-shaped plate, mounting lug plates are fixedly connected to the two ends of the second arc-shaped plate correspondingly, fixing bolts penetrate through the two mounting lug plates correspondingly, and the two fixing bolts penetrate through the two connecting rods correspondingly; according to the utility model, the grading rings at the two ends of the insulating string can be rapidly installed, the efficiency of installing the two ends of the insulating string is further improved, the first ring body and the second ring body can be conveniently arranged at the two ends of the insulating strings with different lengths, the installation is convenient, and the installation is convenient. And the applicability of the grading ring is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of grading ring, concretely to a shielding grading ring. BACKGROUND

[0002] Grading ring's main function is grading, is applicable to the voltage form is AC, can evenly distribute high voltage around the object, ensure that there is no potential difference between each part of the ring, thereby reach the effect of grading, need grading ring to carry out grading when carrying out 110kV power transformer partial discharge test and research.

[0003] The longer insulation string in the substation is in the position of relatively low electric field, and the distribution voltage of the insulator string must be improved by installing metal grading rings at both ends to protect the arc from burning the silicon rubber umbrella skirt when the overvoltage short circuit and flashover occur. The traditional method requires two times of installation of the grading ring for the longer insulation string, thereby affecting the efficiency of installation of the grading ring at both ends of the insulation string. Therefore, a new technical solution is needed to solve the problem. SUMMARY

[0004] The utility model discloses a shielding grading ring to overcome the deficiency of prior art, adapt to the reality needs, and provide a kind of shielding grading ring, to solve the technical problem that current longer insulation string needs two times of installation of the grading ring, thereby affecting the efficiency of installation of the grading ring at both ends of the insulation string.

[0005] In order to realize the purpose of the utility model, the technical scheme adopted by the utility model is as follows: a shielding grading ring is designed, which comprises a first ring body and a second ring body. The inner cavity of the first ring body is connected with a connecting rod on both sides. A first arc-shaped plate is connected between the two connecting rods. A second arc-shaped plate is provided on the first arc-shaped plate. The two ends of the second arc-shaped plate are fixedly connected with mounting ear plates. Fixing bolts are penetrated through the two mounting ear plates. The two fixing bolts are respectively penetrated through the two connecting rods, and the two fixing bolts are respectively screwed with the two connecting rods. A connecting adjusting mechanism is arranged between the first ring body and the second ring body.

[0006] Preferably, the connecting adjusting mechanism comprises first fixed rods mounted on both sides of the bottom of the first ring body and second fixed rods mounted on both sides of the top of the second ring body. First adjusting discs and second adjusting discs are respectively mounted on the opposite ends of the two first fixed rods and the two second fixed rods. The first adjusting discs and the second adjusting discs on the same side are arranged in abutment. Bolts are penetrated through the centers of the first adjusting discs and the second adjusting discs on the same side. Nuts are threadedly sleeved outside the bolts.

[0007] Preferably, a plurality of clamping grooves are formed in one end of the first adjusting disc close to the second adjusting disc. The clamping grooves are circularly distributed. A plurality of clamping blocks are mounted on one end of the second adjusting disc close to the first adjusting disc. The clamping blocks are circularly distributed.

[0008] Preferably, one side of the nut is provided with a hand-held rod, and the length of the hand-held rod is less than the radius of the second adjusting disc.

[0009] Preferably, the inner side of the first arc-shaped plate and the second arc-shaped plate is provided with a non-slip pad, and the non-slip pad is made of rubber.

[0010] Preferably, the plurality of clamping grooves correspond to the plurality of clamping blocks respectively, and the inner size of the clamping groove is matched with the outer size of the clamping block.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] 1. The utility model discloses a first ring body, a second ring body, a connecting adjusting mechanism, a connecting rod, a first arc-shaped plate, a second arc-shaped plate and a fixing bolt are combined, the first ring body is sleeved at one end of the insulating string, then the first ring body is fixed through the screwing of the fixing bolt and the cooperation of the first arc-shaped plate and the second arc-shaped plate, so that the second ring body is limited at the other end of the insulating string through the connecting adjusting mechanism, so that the equalizing ring at the two ends of the insulating string can be installed quickly, and the efficiency of installation at the two ends of the insulating string is further improved, and by unscrewing the nut, the first adjusting disc and the second adjusting disc can rotate and adjust the angle between the first fixed rod and the second fixed rod, so that the spacing between the first ring body and the second ring body can be adjusted, so that the first ring body and the second ring body can be placed at the two ends of the insulating string of different lengths, and the applicability of the equalizing ring is further improved.

[0013] 2. The utility model discloses the combination of the clamping groove and the clamping block, when the first ring body and the second ring body are adjusted to the appropriate position, the clamping block is clamped in the clamping groove by screwing the nut, so that the stability when the first adjusting disc and the second adjusting disc are connected is increased, and the stability after the spacing between the first ring body and the second ring body is adjusted is further improved. ACCURATE DRAWINGS

[0014] Figure 1 It is the whole structure schematic diagram of the utility model;

[0015] Figure 2 It is the whole front view of the utility model;

[0016] Figure 3 It is the connecting adjusting mechanism structure schematic diagram of the utility model;

[0017] Figure 4 It is the A place enlarged view of the utility model.

[0018] In the figure: 1, first ring body; 11, connecting rod; 12, first arc-shaped plate; 2, second ring body; 3, second arc-shaped plate; 31, mounting lug plate; 32, fixing bolt; 4, non-slip pad; 5, connecting adjusting mechanism; 51, second adjusting disc; 52, first adjusting disc; 53, second fixed rod; 54, first fixed rod; 55, nut; 56, bolt; 57, hand-held rod; 58, clamping block; 59, clamping groove. DETAILED DESCRIPTION

[0019] The utility model is further explained in connection with the drawings and examples:

[0020] Example 1: a shielding grading ring, referring to Figures 1 to 4 , including first ring body 1 and second ring body 2, the inner chamber both sides of first ring body 1 are connected with connecting rod 11, first arc-shaped plate 12 is connected between two connecting rod 11, second arc-shaped plate 3 is provided on first arc-shaped plate 12, two ends of second arc-shaped plate 3 are fixedly connected with mounting lug plate 31, two mounting lug plate 31 are all penetrated with fixing bolt 32, two fixing bolt 32 are penetrated two connecting rod 11 respectively, and two fixing bolt 32 are respectively with two connecting rod 11 thread rotation, first ring body 1 and second ring body 2 are provided with connecting adjusting mechanism 5, connecting adjusting mechanism 5 includes first fixed rod 54 installed at the bottom both sides of first ring body 1 and second fixed rod 53 installed at the top both sides of second ring body 2, the opposite end of two first fixed rod 54 and two second fixed rod 53 is installed with first adjusting disc 52 and second adjusting disc 51 respectively, same side first adjusting disc 52 and second adjusting disc 51 are set to adhere, and the center of same side first adjusting disc 52 and second adjusting disc 51 is penetrated with bolt 56, the outside thread of bolt 56 is provided with nut 55, when working, first ring body 1 is set in one end of insulating string, then first ring body 1 is fixed through the screwing of fixing bolt 32 cooperation first arc-shaped plate 12 and second arc-shaped plate 3, so that second ring body 2 is limited in the other end of insulating string through connecting adjusting mechanism 5, so that the grading ring of both ends of insulating string can be installed quickly, further improve the efficiency of installation of both ends of insulating string, and by loosening nut 55, first adjusting disc 52 and second adjusting disc 51 can rotate and adjust the angle between first fixed rod 54 and second fixed rod 53, further can adjust the spacing between first ring body 1 and second ring body 2, further facilitate first ring body 1 and second ring body 2 are placed in the both ends of insulating string of different length, further improve the applicability of grading ring.

[0021] Specifically, referring to Figure 4The first adjusting disc 52 is provided with a plurality of clamping grooves 59 near one end of the second adjusting disc 51, the plurality of clamping grooves 59 are distributed in a circular shape, the second adjusting disc 51 is provided with a plurality of clamping blocks 58 near one end of the first adjusting disc 52, and the plurality of clamping blocks 58 are distributed in a circular shape, the plurality of clamping grooves 59 correspond to the plurality of clamping blocks 58 respectively, and the inner size of the clamping grooves 59 is matched with the outer size of the clamping blocks 58, when the first ring body 1 and the second ring body 2 are adjusted to the appropriate position, the clamping blocks 58 are clamped in the clamping grooves 59 by tightening the nut 55, so that the stability of the first adjusting disc 52 and the second adjusting disc 51 when being connected is increased, and the stability of the first ring body 1 and the second ring body 2 after the spacing is adjusted is further improved.

[0022] Further, referring to Figure 3 One side of the nut 55 is provided with a hand holding rod 57, and the length of the hand holding rod 57 is less than the radius of the second adjusting disc 51, through the arrangement of the hand holding rod 57, the personnel can hold the nut 55 to rotate, and then the personnel can manually rotate the nut 55 to adjust the spacing between the first ring body 1 and the second ring body 2.

[0023] It is worth noting that, referring to Figure 1 The inner sides of the first arc-shaped plate 12 and the second arc-shaped plate 3 are provided with anti-skid pads 4, the anti-skid pads 4 are made of rubber, through the arrangement of the anti-skid pads 4, the friction force of the first arc-shaped plate 12 and the second arc-shaped plate 3 and the connecting piece is increased, and the firmness of the equalizing ring is further improved.

[0024] In addition, the components of the utility model are all general standard components or components known by the person skilled in the art, the structure and principle of which can be known by the person skilled in the art through a technical manual or through a conventional experimental method, and the person skilled in the art can realize it completely, and it is needless to say, and the content protected by the utility model does not involve improvement of the internal structure and method.

[0025] The utility model discloses the preferable embodiment, but is not limited to this, and the person skilled in the art, the person skilled in the art, very easily according to the above-mentioned embodiment, the spirit of the utility model is appreciated, and different induction and change are made, but as long as not departing from the spirit of the utility model, are in the protection scope of the utility model.

Claims

1. A shielded equalizing ring comprising a first ring body (1) and a second ring body (2), characterized in that, Both sides of the inner cavity of the first ring body (1) are connected with connecting rods (11), a first arc-shaped plate (12) is connected between the two connecting rods (11), a second arc-shaped plate (3) is arranged on the first arc-shaped plate (12), both ends of the second arc-shaped plate (3) are fixedly connected with mounting lug plates (31), fixing bolts (32) are penetrated through the two mounting lug plates (31), the two fixing bolts (32) are respectively penetrated through the two connecting rods (11), and the two fixing bolts (32) are respectively threadedly screwed with the two connecting rods (11), and a connecting adjusting mechanism (5) is arranged between the first ring body (1) and the second ring body (2).

2. A shielded equalizer ring as claimed in claim 1, characterized in that The connecting adjusting mechanism (5) comprises first fixed rods (54) mounted on both sides of the bottom of the first ring body (1) and second fixed rods (53) mounted on both sides of the top of the second ring body (2), first adjusting discs (52) and second adjusting discs (51) are respectively mounted on opposite ends of the two first fixed rods (54) and the two second fixed rods (53), the first adjusting discs (52) and the second adjusting discs (51) on the same side are arranged in abutment, and bolts (56) are penetrated through the centers of the first adjusting discs (52) and the second adjusting discs (51) on the same side, and nuts (55) are threadedly sleeved outside the bolts (56).

3. A shielded equalizer ring as claimed in claim 2, characterized in that A plurality of clamping grooves (59) are arranged on one end of the first adjusting disc (52) close to the second adjusting disc (51), the plurality of clamping grooves (59) are circularly distributed, a plurality of clamping blocks (58) are mounted on one end of the second adjusting disc (51) close to the first adjusting disc (52), and the plurality of clamping blocks (58) are circularly distributed.

4. A shielded equalizer ring as claimed in claim 2, wherein, A handheld rod (57) is mounted on one side of the nut (55), and the length of the handheld rod (57) is less than the radius of the second adjusting disc (51).

5. A shielded equalizer ring as claimed in claim 1, wherein, Antiskid pads (4) are mounted on the inner sides of the first arc-shaped plate (12) and the second arc-shaped plate (3), and the antiskid pads (4) are made of rubber.

6. A shielded equalizer ring as claimed in claim 3, wherein, The plurality of clamping grooves (59) correspond to the plurality of clamping blocks (58), and the inner dimension of the clamping grooves (59) is matched with the outer dimension of the clamping blocks (58).

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