CN218719811U

CN218719811U - Lower positioning mechanism for distribution transformer body

Info

Publication number: CN218719811U
Application number: CN202221955446.6U
Authority: CN
Inventors: 孙小雯; 王慧莹; 张芳薇; 祁晓雨; 胡天宇; 张瑞曦
Original assignee: Lianyungang Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
Current assignee: Lianyungang Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
Priority date: 2022-07-27
Filing date: 2022-07-27
Publication date: 2023-03-24
Anticipated expiration: 2032-07-27

Abstract

The utility model belongs to the technical field of transformer ware body location, especially, be a distribution transformer ware body lower part positioning mechanism, including the transformer tank bottom of the case, four caulking grooves that are the rectangle and distribute are seted up to the upper surface of the transformer tank bottom of the case. The utility model discloses a set up the caulking groove, guide arm and slide opening, just be in the intermediate position of transformer tank bottom of the case when filling up foot and transformer tank bottom of the case contact, the guide arm can restrict transformer ware body lateral shifting, through setting up the spout, T type slider and fixture block, can further restrict the intermediate position at the transformer tank bottom of the case with filling up the foot, improve transverse orientation's effect, cooperation bolt runs through connecting plate and thread groove, can closely press the draw-in groove of fixture block and the one corner of filling up the foot upper surface, thereby realize fore-and-aft location effect, the setting of cooperation dovetail groove and trapezoidal insulating block, also can play the effect of location, cooperate through multiple locate mode, make location effect better.

Description

Lower positioning mechanism of distribution transformer body

Technical Field

The utility model relates to a transformer ware body location technical field specifically is a distribution transformer ware body lower part positioning mechanism.

Background

The distribution transformer is a static electrical appliance which transforms alternating voltage and current according to the electromagnetic induction law in a distribution system and transmits alternating current energy, the distribution transformer body is generally an iron core of the transformer and a winding embedded in the iron core, the shell of the transformer is generally called a transformer oil tank, the transformer oil is filled in the shell of the transformer, the transformer body is soaked in the transformer oil, and the positioning mechanism of the transformer body is a positioning mechanism between the transformer body and the oil tank of the transformer.

A common distribution transformer is generally provided with a positioning nail welded on the bottom of a transformer oil tank, the lower part of a transformer body is positioned by a method of matching the positioning nail with a hole on a transformer body pad, but the structure is easy to cause the displacement of the transformer body in the transportation process, and after welding, a welding beading is generated between the positioning nail and the bottom of the transformer oil tank, so that the matching between the transformer body pad and the bottom of the transformer oil tank and between the positioning nail and the hole is influenced, and the technical problem of unstable positioning of the transformer body is caused.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a distribution transformer ware body lower part positioning mechanism has solved the unstable problem in location that proposes among the above-mentioned background art.

(II) technical scheme

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

the utility model provides a distribution transformer ware body lower part positioning mechanism, includes the transformer tank bottom of the case, four caulking grooves that are the rectangle and distribute are seted up to the upper surface of the transformer tank bottom of the case, the caulking groove interpolation is equipped with the guide arm rather than inside wall interference fit, the top of the transformer tank bottom of the case is provided with the pad foot, install transformer ware body in the middle of pad foot upper surface, set up the slide opening on the pad foot, the guide arm runs through the slide opening and with pad foot sliding connection, the spout has all been seted up in the four corners of the transformer tank bottom of the case, sliding connection has T type slider in the spout, the upper end of T type slider is fixed with the fixture block, the both ends of fixture block all are fixed with the connecting plate, the through-hole has been seted up on the connecting plate, and the intussuseption of through-hole has been pegged graft and has the bolt, the thread groove with bolt looks adaptation is seted up to the upper surface of the transformer tank bottom of the case.

Furthermore, the guide rod is in clearance fit with the slide hole, and the upper end of the guide rod is provided with a conical part.

Furthermore, the lower end of the fixture block, which faces one side of the pad foot, is provided with a clamping groove, and the clamping groove is matched and clamped with one corner of the upper surface of the pad foot.

Furthermore, a trapezoidal groove is formed between every two adjacent caulking grooves, a trapezoidal insulating block is fixed to the lower surface of each pad foot, and the trapezoidal insulating blocks are connected with the trapezoidal grooves in an inserting mode in a matched mode.

Further, a buffer pad is arranged at the bottom of the trapezoid groove.

(III) advantageous effects

Compared with the prior art, the utility model provides a distribution transformer ware body lower part positioning mechanism possesses following beneficial effect:

the utility model discloses, through setting up the caulking groove, guide arm and slide opening, just be in the intermediate position of transformer tank bottom of the case when filling up foot and transformer tank bottom of the case contact, the guide arm can restrict transformer ware body lateral shifting, through setting up the spout, T type slider and fixture block, can further restrict the intermediate position at the transformer tank bottom of the case with filling up the foot, improve transverse orientation's effect, cooperation bolt runs through connecting plate and thread groove, can closely press the draw-in groove of fixture block and the one corner of filling up foot upper surface, thereby realize fore-and-aft location effect, cooperation dovetail groove and trapezoidal insulating block's setting, also can play the effect of location, cooperate through multiple locate mode, make locate effect better.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the top view structure of the present invention;

FIG. 3 isbase:Sub>A sectional view of the structure of the utility model taken along the direction A-A;

FIG. 4 is a schematic view of the connection structure of the foot pad of the present invention;

fig. 5 is a schematic view of the structure of the tank bottom of the transformer tank of the utility model;

fig. 6 is a schematic view of the connection structure of the fixture block of the present invention.

In the figure: 1. the tank bottom of the transformer tank; 2. caulking grooves; 3. a guide bar; 4. a foot pad; 5. a slide hole; 6. a tapered portion; 7. a chute; 8. a T-shaped slider; 9. a clamping block; 10. a connecting plate; 11. a bolt; 12. a thread groove; 13. a trapezoidal groove; 14. a cushion pad; 15. a trapezoidal insulating block; 16. a transformer body; 17. A clamping groove.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

As shown in fig. 1-6, an embodiment of the present invention provides a positioning mechanism for a lower portion of a distribution transformer body, including a bottom 1 of a transformer oil tank, four caulking grooves 2 distributed in a rectangular shape are formed on an upper surface of the bottom 1 of the transformer oil tank, a guide rod 3 in interference fit with an inner side wall of the caulking groove 2 is inserted into the caulking groove 2, a pad 4 is disposed above the bottom 1 of the transformer oil tank, a transformer body 16 is mounted in the middle of an upper surface of the pad 4, a sliding hole 5 is formed on the pad 4, the guide rod 3 penetrates through the sliding hole 5 and is slidably connected with the pad 4, sliding grooves 7 are formed at four corners of the bottom 1 of the transformer oil tank, a fixture block 9 is fixed on an upper end of a T-shaped slider 8,T type slider 8 slidably connected in the sliding grooves 7, connection plates 10 are fixed at both ends of the fixture block 9, a through hole is formed in the connection plate 10, a bolt 11 is inserted in the through hole, and a thread groove 12 adapted to the bolt 11 is formed on the upper surface of the bottom 1 of the transformer oil tank; through setting up

guide arm

3 and 2 interference fit of caulking groove, guide arm 3 is inserted and can not topple over in caulking groove 2, make slide opening 5 run through guide arm 3 and can make pad foot 4 from the upper end landing to the bottom of guide arm 3, because clearance fit's clearance is enough little between slide opening 5 and the guide arm 3 this moment, consequently, the difficult horizontal removal that takes place of transformer ware body 16 of fixing on pad foot 4, can realize horizontal location, through setting up spout 7 and its inside sliding connection's T type slider 8, T type slider 8 should keep away from the position of pad foot 4 before pad foot 4 falls transformer tank bottom 1 upper surface, slide T type slider 8 after pad foot 4 falls down, make fixture block and 9 offset with the side and the upper surface of pad foot 4, thereby will fill up the horizontal and longitudinal restriction of foot 4, because the both ends of fixture block 9 all are fixed with connecting plate 10, and seted up the through-hole on the connecting plate 10, and set up the through-hole 12 that the through-hole is relative when fixture block 9 is in this screwed position on the upper surface of transformer tank bottom 1, consequently, can run through-hole and fix pad foot 4 when bolt 11.

As shown in fig. 1 and 3, in some embodiments, the guide bar 3 is loosely fitted into the slide hole 5, and the upper end of the guide bar 3 is provided with a tapered portion 6, and the tapered portion 6 is provided such that the top portion of the guide bar 3 has a smaller diameter than the lower portion, thereby facilitating insertion of the guide bar 3 into the slide hole 5.

As shown in fig. 1, 2 and 6, in some embodiments, a clamping groove 17 is formed at a lower end of one side of the clamping block 9 facing the pad 4, and the clamping groove 17 is in clamping fit with one corner of the upper surface of the pad 4; through the mode of card establishing draw-in groove 17 for the interior roof of draw-in groove 17 is close to with the upper surface that fills up foot 4, and the both sides wall of draw-in groove 17 is pressed close to with the both sides wall that fills up foot 4 one corner, thereby realizes the location.

As shown in fig. 3 and 4, in some embodiments, a trapezoidal groove 13 is formed between adjacent caulking grooves 2, a trapezoidal insulating block 15 is fixed on the lower surface of the foot pad 4, and the trapezoidal insulating block 15 is inserted into the trapezoidal groove 13 in a matching manner; the trapezoidal insulating block 15 is slightly larger than the size of the trapezoidal groove 13, so that a small gap exists between the bottom 1 of the transformer oil tank and the pad foot 4, the conductive difficulty is increased, and the insulating effect is improved.

As shown in fig. 3, in some embodiments, the bottom of the trapezoidal groove 13 is provided with a cushion pad 14; the cushion pad 14 can play a role in buffering, and the cushion foot 4 is not in hard contact with the bottom 1 of the transformer oil tank when falling down.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a distribution transformer ware body lower part positioning mechanism, includes transformer tank bottom of the case (1), its characterized in that: the upper surface of transformer tank bottom of the case (1) is seted up four caulking grooves (2) that are the rectangle and distribute, caulking groove (2) interpolation is equipped with guide arm (3) rather than inside wall interference fit, the top of transformer tank bottom of the case (1) is provided with pads foot (4), fill up the centre of foot (4) upper surface and install transformer ware body (16), fill up and seted up slide opening (5) on foot (4), guide arm (3) run through slide opening (5) and with pad foot (4) sliding connection, spout (7) have all been seted up in the four corners of transformer tank bottom of the case (1), sliding connection has T type slider (8) in spout (7), the upper end of T type slider (8) is fixed with fixture block (9), the both ends of fixture block (9) all are fixed with connecting plate (10), the through-hole has been seted up on connecting plate (10), and the through-hole interpolation has had bolt (11), the upper surface of transformer tank bottom of the case (1) is seted up thread groove (12) with bolt (11) looks adaptation.

2. The lower positioning mechanism of the distribution transformer body according to claim 1, wherein: the guide rod (3) is in clearance fit with the slide hole (5), and the upper end of the guide rod (3) is provided with a conical part (6).

3. The lower positioning mechanism of the distribution transformer body according to claim 1, wherein: the clamping block (9) is provided with a clamping groove (17) towards the lower end of one side of the pad foot (4), and the clamping groove (17) is matched and clamped with one corner of the upper surface of the pad foot (4).

4. The lower positioning mechanism of the distribution transformer body according to claim 1, wherein: trapezoidal groove (13) have been seted up between adjacent caulking groove (2), the lower fixed surface of pad foot (4) has trapezoidal insulating block (15), trapezoidal insulating block (15) are pegged graft with trapezoidal groove (13) cooperation.

5. The lower positioning mechanism of the distribution transformer body according to claim 4, wherein: the bottom of the trapezoid groove (13) is provided with a buffer pad (14).