CN211208172U

CN211208172U - Noise reduction device of oil-immersed transformer

Info

Publication number: CN211208172U
Application number: CN201922472399.4U
Authority: CN
Inventors: 滕飞
Original assignee: Shandong Qingde Electric Co ltd
Current assignee: Shandong Qingde Electric Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-08-07
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a noise reduction device of an oil-immersed transformer, which relates to the technical field of transformers and comprises a bottom case, wherein the upper surface of the bottom case is provided with a through cavity, a supporting plate is arranged in the through cavity, an oil-immersed transformer body is arranged above the supporting plate, two symmetrically arranged cushion seats are fixedly connected with the lower surface of the oil-immersed transformer body, the cushion seats are fixedly connected with the upper surface of the supporting plate through a plurality of bolts, four corners of the lower surface of the supporting plate are fixedly connected with the lower surface in the bottom case through vertical damping mechanisms, and two side surfaces of the oil-immersed transformer body are fixedly connected with buffer plates through a plurality of bolts. Multidirectional shock attenuation to the production of noise has effectively been reduced.

Description

Noise reduction device of oil-immersed transformer

Technical Field

The utility model relates to a transformer technical field specifically is an oil-immersed transformer noise reduction device.

Background

Oil-immersed transformer is a type of construction of transformer, and its coil soaks in insulating oil, and insulating oil has that dielectric strength is high, specific heat is big, characteristics that thermal conductivity is good, can play good insulation, the effect of heat dissipation and arc extinction, and current oil-immersed transformer's shockproof noise reduction function is poor, and oil-immersed transformer can cause very big noise because of vibrations at the during operation, and this has greatly influenced people's normal life work, has caused harm to people's health.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an oil-immersed transformer noise reduction device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an oil-immersed transformer noise reduction device, including the under casing, the upper surface of under casing has been seted up and has been led to the chamber, lead to the intracavity and be provided with the backup pad, the top of backup pad is provided with the oil-immersed transformer body, the cushion seat that two symmetries of lower fixed surface of oil-immersed transformer body set up, the cushion seat is connected with the last fixed surface of backup pad through the bolt of a plurality of quantity, the four corners of the lower surface of backup pad is through vertical damper and the under casing internal fixed surface connection, the both sides face of oil-immersed transformer body all is through the bolt fixedly connected with buffer board of a plurality of quantity, the fixed plate of two symmetry settings of last fixed surface fixedly connected with of under casing, the fixed plate is through the horizontal damper.

As a further aspect of the present invention: vertical damper is by the sleeve, the sliding sleeve, damping spring I, the fixed block, the bracing piece, the loop bar, the slide bar, damping spring two and connecting block are constituteed, the lower fixed surface of telescopic upper end and backup pad is connected, the inside sliding connection of sleeve lower extreme has the loop bar, the lower extreme of loop bar and the interior lower fixed surface of under casing are connected, the lateral surface cover of loop bar is equipped with damping spring two, the equal fixedly connected with connecting block of telescopic both sides face, the lower surface of connecting block is rotated through the round pin axle and is connected with the bracing piece, the other end of bracing piece is rotated through the round pin axle and is connected with the sliding sleeve, be provided with the slide bar in the sliding sleeve, the cover is equipped with damping spring I on the slide.

As a further aspect of the present invention: horizontal damper comprises telescopic link and damping spring, the one end of telescopic link and the side fixed connection of buffer board, the other end of telescopic link and the side fixed connection of fixed plate, damping spring three sets establish with the telescopic link on.

As a further aspect of the present invention: the upper surface of the supporting plate is provided with a plurality of through holes, and the side surface of the bottom box is provided with a ventilation opening.

As a further aspect of the present invention: four corners of the lower surface of the bottom box are fixedly connected with fixing columns.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses when using, through the vertical damper who sets up, can play fine shock attenuation effect in vertical direction, through the horizontal damper who sets up, can play fine shock attenuation effect, diversified shock attenuation in the horizontal direction to the production of noise has effectively been reduced.

2. The utility model discloses in the use, the oil-immersed transformer body exposes outside, does not influence the operation of the radiator of oil-immersed transformer body side, when needs overhaul, can unscrew earlier the cushion through with the bolt of backup pad, unscrew the bolt on buffer board and the oil-immersed transformer body again, with vertical damper and horizontal damper dismantlement down, is convenient for to the maintenance of oil-immersed transformer body.

Drawings

FIG. 1 is a schematic structural diagram of a noise reduction device for an oil-immersed transformer;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic sectional view of a bottom case of a noise reduction device of an oil-immersed transformer;

fig. 4 is an enlarged schematic view of a portion a in fig. 3.

As shown in the figure: the oil immersed transformer comprises a bottom box 1, a through cavity 2, a cushion seat 3, a supporting plate 4, an oil immersed transformer body 5, a fixing plate 6, a through hole 7, a ventilation opening 8, a buffer plate 9, a damping spring III 10, a telescopic rod 11, a sleeve 12, a sliding sleeve 13, a damping spring I14, a fixing block 15, a supporting rod 16, a sleeve rod 17, a sliding rod 18, a damping spring II 19 and a connecting block 20.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Please refer to fig. 1-4, in the embodiment of the utility model, an oil-immersed transformer noise reduction device, including the under casing 1, lead to chamber 2 has been seted up to the upper surface of under casing 1, lead to 2 intracavity be provided with backup pad 4, the top of backup pad 4 is provided with oil-immersed transformer body 5, the cushion 3 that two symmetries of lower fixed surface of oil-immersed transformer body 5 set up, cushion 3 is connected with the upper surface fixed surface of backup pad 4 through the bolt of a plurality of quantity, the four corners of the lower surface of backup pad 4 is connected with under fixed surface in under casing 1 through vertical damper, the both sides face of oil-immersed transformer body 5 all is connected with buffer board 9 through the bolt fixed connection of a plurality of quantity, the fixed plate 6 that two symmetries of upper surface fixed connection of under casing 1 set up, fixed plate 6 is through the horizontal damper of a plurality of quantity and adjacent.

The vertical damping mechanism comprises a sleeve 12, a sliding sleeve 13, a first damping spring 14, a fixed block 15, a support rod 16, a loop bar 17, a sliding rod 18, a second damping spring 19 and a connecting block 20, wherein the upper end of the sleeve 12 is fixedly connected with the lower surface of the support plate 4, the loop bar 17 is slidably connected inside the lower end of the sleeve 12, the lower end of the loop bar 17 is fixedly connected with the inner lower surface of the bottom box 1, the outer side surface of the loop bar 17 is sleeved with the second damping spring 19, both side surfaces of the sleeve 12 are fixedly connected with the connecting block 20, the lower surface of the connecting block 20 is rotatably connected with the support rod 16 through a pin shaft, the other end of the support rod 16 is rotatably connected with the sliding sleeve 13 through a pin shaft, a sliding rod 18 is arranged in the sliding sleeve 13, the first damping spring 14 is sleeved on the sliding rod 18, both ends of the sliding rod 18 are fixedly connected, backup pad 4 receives decurrent pressure, and the sleeve 12 receives down force, extrudes damping spring two 19, through two 19 absorption shock of damping spring and the energy of impact, when the sleeve 12 received down force, makes bracing piece 16 receive thrust and makes sliding sleeve 13 extrude damping spring 14, further absorbs the energy of shock and impact through damping spring 14 to can play fine shock attenuation effect, noise reduction's production in vertical direction.

Horizontal damper comprises three 10 telescopic link 11 and damping spring, the one end of telescopic link 11 and buffer board 9's side fixed connection, the other end of telescopic link 11 and the side fixed connection of fixed plate 6, three 10 covers of damping spring establish with telescopic link 11 on, when oil-immersed transformer body 5 takes place vibrations in the course of the work, horizontal direction's pressure is received to buffer board 9, damping spring three 10 receive the extrusion force, absorb the energy of shaking and assaulting through three 10 covers of damping spring, thereby can play fine shock attenuation effect on the horizontal direction, the production of noise reduction.

Through-hole 7 of a plurality of quantity has been seted up to the upper surface of backup pad 4, and vent 8 has all been seted up to the side of under casing 1, through-hole 7 and the vent 8 that sets up, avoids influencing the heat dissipation of 5 bottoms of oil-immersed transformer body.

Four corners of the lower surface of the bottom box 1 are fixedly connected with fixing columns.

The utility model provides a pair of oil-immersed transformer noise reduction device's theory of operation as follows: this device is when using, vertical damper through setting up, can play fine shock attenuation effect in vertical direction, horizontal damper through setting up, can play fine shock attenuation effect in the horizontal direction, diversified shock attenuation, thereby effectively reduced the production of noise, and this device is in the use, oil-immersed transformer body 5 exposes outside, do not influence the operation of the radiator of oil-immersed transformer body 5 side, when needs are overhauld, can twist earlier the cushion 3 through the bolt with backup pad 4, twist again and open the bolt on buffer board 9 and the oil-immersed transformer body 5, dismantle vertical damper and horizontal damper, be convenient for to the maintenance of oil-immersed transformer body 5.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The noise reduction device of the oil-immersed transformer comprises a bottom box (1) and is characterized in that, the oil immersed transformer is characterized in that a through cavity (2) is formed in the upper surface of the bottom box (1), a supporting plate (4) is arranged in the through cavity (2), an oil immersed transformer body (5) is arranged above the supporting plate (4), two pad bases (3) which are symmetrically arranged are fixedly connected to the lower surface of the oil immersed transformer body (5), the pad bases (3) are fixedly connected to the upper surface of the supporting plate (4) through a plurality of bolts, the four corners of the lower surface of the supporting plate (4) are fixedly connected to the inner lower surface of the bottom box (1) through vertical damping mechanisms, two side faces of the oil immersed transformer body (5) are fixedly connected with buffer plates (9) through a plurality of bolts, two fixing plates (6) which are symmetrically arranged are fixedly connected to the upper surface of the bottom box (1), and the fixing plates (6) are fixedly connected to the adjacent buffer plates (9) through a.

2. The oil-immersed transformer noise reduction device according to claim 1, wherein the vertical damping mechanism is composed of a sleeve (12), a sliding sleeve (13), a damping spring I (14), a fixed block (15), a support rod (16), a loop bar (17), a slide bar (18), a damping spring II (19) and a connecting block (20), the upper end of the sleeve (12) is fixedly connected with the lower surface of the support plate (4), the loop bar (17) is slidably connected inside the lower end of the sleeve (12), the lower end of the loop bar (17) is fixedly connected with the inner lower surface of the bottom case (1), the damping spring II (19) is sleeved on the outer side surface of the loop bar (17), the connecting block (20) is fixedly connected on both side surfaces of the sleeve (12), the support rod (16) is rotatably connected on the lower surface of the connecting block (20) through a pin shaft, the sliding sleeve (13) is rotatably connected on the other end, a sliding rod (18) is arranged in the sliding sleeve (13), a damping spring I (14) is sleeved on the sliding rod (18), fixing blocks (15) are fixedly connected to two ends of the sliding rod (18), and the lower surface of each fixing block (15) is fixedly connected with the inner lower surface of the bottom box (1).

3. The oil-immersed transformer noise reduction device according to claim 1, wherein the horizontal damping mechanism is composed of a telescopic rod (11) and a damping spring III (10), one end of the telescopic rod (11) is fixedly connected with the side face of the buffer plate (9), the other end of the telescopic rod (11) is fixedly connected with the side face of the fixing plate (6), and the damping spring III (10) is sleeved on the telescopic rod (11).

4. The oil-immersed transformer noise reduction device according to claim 1, wherein a plurality of through holes (7) are formed in the upper surface of the support plate (4), and ventilation openings (8) are formed in the side surfaces of the bottom case (1).

5. The oil-immersed transformer noise reduction device according to claim 1, wherein four corners of the lower surface of the bottom case (1) are fixedly connected with fixing columns.