CN211788514U

CN211788514U - Dry-type transformer

Info

Publication number: CN211788514U
Application number: CN202020528957.4U
Authority: CN
Inventors: 黄建富; 郑晓品
Original assignee: Zhejiang Qiaobang Power Technology Co ltd
Current assignee: Zhejiang Qiaobang Power Technology Co ltd
Priority date: 2020-04-10
Filing date: 2020-04-10
Publication date: 2020-10-27
Anticipated expiration: 2030-04-10

Abstract

The utility model relates to a dry-type transformer, including the transformer body, transformer body lower extreme is connected with two installation channel-section steels, all be connected with the fixed plate between the both ends of two installation channel-section steels, all install three fan on every fixed plate, the up end of fixed plate is provided with three standing groove along self length direction interval, the inner wall at standing groove both ends all is connected with spacing spring along the horizontal direction, the one end of every spacing spring all is connected with spacing, the both ends that spacing deviates from one side of spacing spring all are connected with spacing post, two spacing holes have all been seted up to the wall of the back of the body both sides of fan mutually, the both ends of spacing all are connected with the dovetail, the dovetail has all been seted up along self length direction to two inner. Put into the standing groove with the fan in, release spacing after that, paste the fan lateral wall with spacing when spacing spring reconversion for spacing post card on the spacing is gone into the spacing downthehole of fan lateral wall, thereby installs fan on the fixed plate, easy dismounting.

Description

Dry-type transformer

Technical Field

The utility model belongs to the technical field of the technique of transformer and specifically relates to a dry-type transformer is related to.

Background

Dry-type transformers are widely used in local lighting, high-rise buildings, airports, wharf CNC machines and other places, and simply, dry-type transformers refer to transformers in which iron cores and windings are not immersed in insulating oil. In general, fans for dissipating heat of the transformer are fixedly mounted on two sides of the lower end of the dry-type transformer.

At present, patent No. CN206471178U discloses a dry-type transformer, which includes an iron core and a coil, wherein the coil is wound on the iron core; the iron core is the iron core of taking the air gap, sets up the filler in the air gap, and the filler includes silica gel, epoxy board, and the lower part of transformer is equipped with the fan. The dry-type transformer can ensure that the inductance value is appropriate without increasing noise, meet the operation requirement and improve the safety and reliability of the product.

The above prior art solutions have the following drawbacks: the fan of this transformer sets firmly on the transformer, leads to the fan dismouting troublesome, wastes time and energy, influences the routine maintenance and the change of fan, consequently awaits the improvement.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a dry-type transformer, fan easy dismounting to the not enough of prior art existence.

The above object of the present invention is achieved by the following technical solutions:

a dry-type transformer comprises a transformer body, wherein the lower end of the transformer body is connected with two parallel mounting channel steels, a fixed plate is connected between the two ends of the two mounting channel steels, each fixed plate is provided with three fans, three placing grooves for placing a fan are arranged on the upper end surface of the fixing plate at intervals along the length direction of the fixing plate, the inner walls of the two ends of the placing groove are both connected with limiting springs along the horizontal direction, one end of each limiting spring is connected with a limiting strip for tightly propping the side wall of the fan, both ends of one side of the limiting strip, which is far away from the limiting spring, are connected with limiting columns, two limiting holes for the limiting columns to be respectively clamped in are respectively arranged on the two opposite side walls of the fan, which face the two limiting strips, the both ends of spacing strip all are connected with the dovetail block, the two inner walls in opposite directions of the adjacent spacing spring of standing groove all set up along self length direction and supply the dovetail block card to go into and gliding dovetail.

Through adopting above-mentioned technical scheme, during the installation fan, push away two spacing to the both ends of standing groove, put into the standing groove with the fan again, then relieve spacing, paste the tight fan lateral wall with spacing when spacing spring reconversion for spacing post card on the spacing is gone into the spacing downthehole of fan lateral wall, thereby fixes the fan in the standing groove, and then installs the fan on the fixed plate, easy dismounting, labour saving and time saving.

The present invention may be further configured in a preferred embodiment as: spacing post rotates with spacing, spacing both ends of one side of spring all are provided with the turning block towards spacing, the turning block is connected with the spliced pole towards one side of spacing, the spliced pole pass spacing and with spacing post connection, the lateral wall that spacing post was kept away from the one end of spacing is connected with the stopper, the constant head tank that supplies the stopper card to go into is seted up to the fan lateral wall, constant head tank and spacing hole intercommunication, the fixed slot that supplies the stopper card to go into is seted up around the axial lead in spacing hole to the inner wall that spacing one end was kept away from to the constant head tank.

Through adopting above-mentioned technical scheme, insert spacing downthehole back with spacing post, rotatory turning block to in the stopper card that makes on the spacing post goes into the fixed slot, thereby the spacing post of restriction breaks away from spacing hole.

The present invention may be further configured in a preferred embodiment as: the two opposite inner walls of the fixing groove are both connected with fixing pads made of rubber.

Through adopting above-mentioned technical scheme, back in the stopper screw in fixed slot, the fixed bolster in the fixed slot can push up the lateral wall of stopper to the restriction stopper produces in the fixed slot and slides.

The present invention may be further configured in a preferred embodiment as: the edge of the end, away from the limiting strip, of the limiting column is provided with a chamfer.

Through adopting above-mentioned technical scheme, the chamfer can give a guide effect for spacing post to make things convenient for spacing post card to go into spacing hole.

The present invention may be further configured in a preferred embodiment as: spacing strip upper end is connected with the extension strip along self length direction, the extending groove has been seted up along self length direction to the up end of extension strip, gliding deep bead about extending inslot is connected with, the both ends of extending groove all are provided with the mounting that is used for fixed deep bead.

Through adopting above-mentioned technical scheme, behind the tight fan in two spacing top, pull out the deep bead from the extending groove for the deep bead is higher than the both sides of fan, thereby makes the wind that the fan blew off can blow to the transformer more intensively, improves the radiating effect.

The present invention may be further configured in a preferred embodiment as: the mounting includes the fixing bolt with the one end threaded connection of extension strip, fixing bolt's one end stretches into the extension inslot and tightly pushes up the deep bead lateral wall.

Through adopting above-mentioned technical scheme, adjust the high back that the deep bead stretches out the extending groove, with fixing bolt screw in extending groove for fixing bolt's one end top tightly the lateral wall of deep bead, thereby restriction deep bead continues to slide in the extending groove, and then fixes the deep bead on the extension strip.

The present invention may be further configured in a preferred embodiment as: the fixing bolt rotates the fastening plate of connection towards the one end of deep bead, the fastening plate is connected with the fastening pad of making by rubber towards one side of deep bead.

Through adopting above-mentioned technical scheme, fixing bolt screws for fastening pad on the mounting plate pushes up the deep bead lateral wall, thereby fixes the deep bead in the extension tank.

The present invention may be further configured in a preferred embodiment as: and a fastening spring is sleeved on the fixing bolt.

Through adopting above-mentioned technical scheme, after screwing fixing bolt, fastening spring receives fixing bolt's nut's extrusion and compression to a tight power in top for fixing bolt's nut makes fixing bolt's external screw thread top tightly extend the internal thread on the board, and then prevents that fixing bolt is not hard up.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the two limiting strips tightly push against the side wall of the fan, so that the limiting columns are clamped into the limiting holes, and the fan is arranged on the fixing plate, time and labor are saved, the fan is convenient to assemble and disassemble, and maintenance is facilitated;

2. the wind shield can enable wind blown out by the fan to be more concentrated, and the heat dissipation effect is improved.

Drawings

FIG. 1 is a schematic structural view of the present embodiment;

fig. 2 is an exploded view of a part of the structure of the fixing plate in the present embodiment;

FIG. 3 is an enlarged schematic view of area A of FIG. 2;

fig. 4 is an enlarged schematic view of the region B in fig. 2.

Reference numerals: 1. a transformer body; 2. mounting channel steel; 3. a fixing plate; 31. a placement groove; 311. a dovetail groove; 4. a fan; 41. a limiting hole; 42. fixing grooves; 43. a fixing pad; 44. positioning a groove; 5. a limiting spring; 6. a limiting strip; 61. a dovetail block; 62. rotating the block; 63. connecting columns; 7. a limiting column; 71. a limiting block; 72. chamfering; 8. an extension bar; 81. an extension groove; 82. a wind deflector; 9. a fixing member; 91. fixing the bolt; 92. a fastening plate; 93. a fastening pad; 94. and (5) fastening the spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a dry-type transformer, including transformer body 1, two installation channel-section steels 2 that are parallel to each other of 1 lower extreme fixedly connected with of transformer body, equal fixedly connected with fixed plate 3 between two installation channel-section steels 2's the both ends all installs three fan 4 on every fixed plate 3.

Referring to fig. 2, the up end of fixed plate 3 is equipped with three standing groove 31 that is the rectangle that is used for placing fan 4 along self length direction spaced apart, the equal self length direction fixedly connected with spacing spring 5 in the middle part of the inner wall at standing groove 31 both ends, the equal fixedly connected with of one end of every spacing spring 5 is used for pushing up the spacing 6 that is the rectangle of 4 lateral walls of fan, the both ends that spacing 6 deviates from one side of spacing spring 5 all rotate and are connected with spacing post 7, the edge that spacing post 7 kept away from the one end of spacing 6 is provided with chamfer 72. Two spacing holes 41 that supply spacing post 7 to go into respectively are all seted up towards the both sides wall of the back of the body of two spacing strips 6 to fan 4, the equal fixedly connected with dovetail block 61 in both ends of spacing strip 6, and the two inner walls in opposite directions of the adjacent spacing spring 5 of standing groove 31 all have been seted up along self length direction and have been supplied dovetail block 61 to go into and gliding dovetail 311. When installing fan 4, push away two spacing 6 to the both ends of standing groove 31, put into standing groove 31 with fan 4 again, release spacing 6 after that, paste spacing 6 tight fan 4 lateral wall in the time of spacing spring 5 reconversion for spacing post 7 card on spacing 6 is gone into in the spacing hole 41 of fan 4 lateral wall, thereby fix fan 4 in standing groove 31, and then install fan 4 on fixed plate 3, easy dismounting, labour saving and time saving.

Refer to fig. 2, fig. 3, turning block 62 is all installed towards the both ends of one side of spacing spring 5 to spacing strip 6, turning block 62 is towards the middle part fixedly connected with spliced pole 63 of one side of spacing strip 6, spliced pole 63 pass spacing strip 6 and with spacing post 7 fixed connection, the lateral wall fixedly connected with stopper 71 of the one end of spacing strip 6 is kept away from to spacing post 7, the constant head tank 44 that supplies stopper 71 card to go into is seted up to fan 4 lateral wall, constant head tank 44 communicates with spacing hole 41, the fixed slot 42 that supplies stopper 71 card to go into is seted up around the axial lead of spacing hole 41 to the inner wall of the one end that spacing strip 6 was kept away from to. Fixing pads 43 made of rubber are fixedly connected to two opposite inner walls of the fixing groove 42. After inserting spacing post 7 in spacing hole 41, rotate 90 degrees with the turning block 62 with the hand to make stopper 71 on the spacing post 7 block in the fixed slot 42, stopper 71 screw in the fixed slot 42 back, fixed bolster 43 can push up the lateral wall of stopper 71, thereby restriction stopper 71 produces in the fixed slot 42 and slides, and then restriction spacing post 7 breaks away from spacing hole 41.

Referring to fig. 2 and 4, the upper end of the limiting strip 6 is fixedly connected with an extending strip 8 along the length direction, an extending groove 81 is formed in the upper end face of the extending strip 8 along the length direction, a wind shield 82 is connected in the extending groove 81 in a sliding mode, the wind shield 82 can slide up and down in the extending groove 81, and fixing parts 9 used for fixing the wind shield 82 are arranged at two ends of the extending groove 81. The wind shield 82 is pulled out from the extension groove 81, so that the wind shield 82 is higher than the two sides of the fan 4, the wind blown out by the fan 4 can be blown to the transformer more intensively, and the heat dissipation effect is improved.

Referring to fig. 2 and 4, the fixing member 9 includes a fixing bolt 91 threadedly coupled to one end of the extension bar 8, and one end of the fixing bolt 91 extends into the extension groove 81. One end of the fixing bolt 91 facing the wind deflector 82 is rotatably connected with a fastening plate 92 having a circular shape, and a fastening pad 93 made of rubber is fixedly connected to one side of the fastening plate 92 facing the wind deflector 82. After the height of the wind shield 82 extending out of the extension groove 81 is adjusted, the fixing bolt 91 is screwed into the extension groove 81, so that the fastening pad 93 on the fastening plate 92 tightly pushes against the side wall of the wind shield 82, the wind shield 82 is limited to slide in the extension groove 81, and the wind shield 82 is fixed in the extension groove 81. The fixing bolt 91 is sleeved with a fastening spring 94, and after the fixing bolt 91 is screwed, the fastening spring 94 is compressed by the nut of the fixing bolt 91, so that a jacking force is given to the nut of the fixing bolt 91, an internal thread on the external thread jacking extension plate of the fixing bolt 91 is enabled to jack up, and then the fixing bolt 91 is prevented from loosening.

The implementation principle of the embodiment is as follows: when dismantling fan 4, loosen fixing bolt 91 earlier, in moving back extension tank 81 with deep bead 82, at the tight deep bead 82 in fixing bolt 91 top of screwing, rotate 90 degrees with the turning block 62 afterwards, make stopper 71 remove to the constant head tank 44 in by fixed slot 42, then push away spacing 6 to the both ends of standing groove 31, make spacing post 7 break away from spacing hole 41, thereby take out fan 4 from standing groove 31, conveniently maintain fan 4, the installation is with the reason, time saving and labor saving.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a dry-type transformer, includes transformer body (1), transformer body (1) lower extreme is connected with two installation channel-section steels (2) that are parallel to each other, two all be connected with fixed plate (3) between the both ends of installation channel-section steel (2), every all install three fan (4), its characterized in that on fixed plate (3): the upper end surface of the fixed plate (3) is provided with three placing grooves (31) for placing the fan (4) at intervals along the length direction, the inner walls of the two ends of the placing groove (31) are both connected with limiting springs (5) along the horizontal direction, one end of each limiting spring (5) is connected with a limiting strip (6) used for tightly propping the side wall of the fan (4), both ends of one side of the limiting strip (6) departing from the limiting spring (5) are connected with limiting columns (7), two limiting holes (41) for the limiting columns (7) to be respectively clamped in are respectively formed on two opposite side walls of the fan (4) facing the two limiting strips (6), the both ends of spacing (6) all are connected with dovetail block (61), supply dovetail block (61) card to go into and gliding dovetail (311) are all offered along self length direction to two inner walls in opposite directions of the adjacent spacing spring (5) of standing groove (31).

2. A dry-type transformer as claimed in claim 1, wherein: spacing post (7) rotate with spacing (6) and be connected, spacing (6) all are provided with turning block (62) towards the both ends of one side of spacing spring (5), turning block (62) are connected with spliced pole (63) towards one side of spacing (6), spliced pole (63) are passed spacing (6) and are connected with spacing post (7), the lateral wall of the one end of spacing (6) is kept away from in spacing post (7) is connected with stopper (71), constant head tank (44) that confession stopper (71) card was gone into are seted up to fan (4) lateral wall, constant head tank (44) and spacing hole (41) intercommunication, constant head tank (44) are kept away from the inner wall of the one end of spacing (6) and are offered around the axial lead of spacing hole (41) and supply fixed slot (42) that stopper (71) card was gone into.

3. A dry-type transformer as claimed in claim 2, wherein: two opposite inner walls of the fixing groove (42) are connected with fixing pads (43) made of rubber.

4. A dry-type transformer as claimed in claim 1, wherein: and a chamfer (72) is arranged at the edge of one end of the limiting column (7) far away from the limiting strip (6).

5. A dry-type transformer as claimed in claim 1, wherein: spacing (6) upper end is connected with extension strip (8) along self length direction, extension groove (81) have been seted up along self length direction to the up end of extension strip (8), gliding deep bead (82) from top to bottom are connected in extension groove (81), the both ends of extension groove (81) all are provided with mounting (9) that are used for fixed deep bead (82).

6. A dry-type transformer as claimed in claim 5, wherein: the fixing piece (9) comprises a fixing bolt (91) in threaded connection with one end of the extension strip (8), and one end of the fixing bolt (91) extends into the extension groove (81) and tightly pushes against the side wall of the wind shield (82).

7. A dry-type transformer as claimed in claim 6, wherein: the fixing bolt (91) is towards a fastening plate (92) rotatably connected with one end of the wind shield (82), and one side, facing the wind shield (82), of the fastening plate (92) is connected with a fastening pad (93) made of rubber.

8. A dry-type transformer as claimed in claim 7, wherein: and a fastening spring (94) is sleeved on the fixing bolt (91).