CN210896887U - Vibration/noise reduction's oil-immersed transformer - Google Patents

Vibration/noise reduction's oil-immersed transformer Download PDF

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Publication number
CN210896887U
CN210896887U CN201922319089.9U CN201922319089U CN210896887U CN 210896887 U CN210896887 U CN 210896887U CN 201922319089 U CN201922319089 U CN 201922319089U CN 210896887 U CN210896887 U CN 210896887U
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seat
rubber pad
oil tank
oil
noise reduction
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CN201922319089.9U
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Chinese (zh)
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叶大星
杜志民
叶士豪
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Hangbian Power Technology Co ltd
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Hangbian Power Technology Co ltd
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Abstract

The utility model discloses a vibration/noise reduction oil-immersed transformer, which adopts the technical proposal that the main points comprise an oil tank, two bases arranged at the bottom of the oil tank and a rubber pad arranged between the oil tank and the bases, wherein the bottom of the oil tank is provided with at least two buffer devices, each buffer device comprises an upper seat, a lower seat, a buffer spring arranged between the upper seat and the lower seat and a jacking bolt which is connected with the lower seat through screw threads and is positioned inside the buffer spring; the connecting seat that is connected with the oil tank is provided with to the rubber pad upside, connecting bolt is all worn to be equipped with in the activity at base both ends, connecting bolt and connecting seat threaded connection. On one hand, the buffer device bears the stress of a part of the rubber gasket, so that the aging rate of the rubber gasket is reduced; on the other hand, the jacking bolt is screwed, so that the oil tank is slightly jacked up, the rubber pad is deformed in a recovering manner and can be pulled out from the space between the base and the oil tank, and then the rubber can be replaced, and the long-term damping and noise reduction effect is ensured.

Description

Vibration/noise reduction's oil-immersed transformer
Technical Field
The utility model relates to a transformer technical field, in particular to vibration/noise reduction's oil-immersed transformer.
Background
The transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, and the distribution transformer is one of important devices in power supply and distribution systems of industrial and mining enterprises and civil buildings. Depending on the cooling method, transformers are classified into dry transformers and oil-immersed transformers. The oil immersed transformer depends on oil as a cooling medium, and has the advantages of good insulating property and good heat conducting property. However, the oil-immersed transformer has a certain noise during operation, and when the oil-immersed transformer is applied to a residential area, the oil-immersed transformer is likely to affect the lives of the residents around the residential area.
Chinese patent No. CN209328699U discloses a vibration and noise reduction oil immersed transformer, which comprises an oil tank, a rubber gasket, a base, a bag type air spring, a connecting column and a spiral steel wire rope; the base is arranged below the bottom of the oil tank, and the rubber gasket is arranged between the base and the bottom of the oil tank; a plurality of bag type air springs are arranged below the base, and the tops of the bag type air springs are connected with the bottom of the base; the four corners of the top of the oil tank are respectively provided with one connecting column, the connecting columns are connected with one end of the spiral steel wire rope, and the other end of the spiral steel wire rope is connected with the installation ground of the transformer; and sound-proof coating is sprayed on the outer surface of the oil tank.
Oil-immersed transformers generate noise due to a variety of factors, one of which is caused by vibration of the core and the coil. Above-mentioned patent sets up rubber gasket between oil tank and base, plays the cushioning effect, and then realizes making an uproar. However, the rubber gasket absorbs mechanical stress for a long time, is easy to age and harden, and loses the effects of shock absorption and noise reduction, and the rubber gasket in the above patent cannot be replaced and needs to be improved.
SUMMERY OF THE UTILITY MODEL
To the technical defect, the utility model aims at providing a vibration/noise reduction's oil-immersed transformer, the rubber pad can be changed, guarantees long-term vibration/noise reduction effect.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a shock-absorbing noise-reducing oil-immersed transformer comprises an oil tank, two bases arranged at the bottom of the oil tank and a rubber pad arranged between the oil tank and the bases, wherein the bottom of the oil tank is provided with at least two buffer devices, each buffer device comprises an upper seat, a lower seat, a buffer spring arranged between the upper seat and the lower seat and a jacking bolt which is in threaded connection with the lower seat and is positioned inside the buffer spring; the connecting seat that is connected with the oil tank is provided with to the rubber pad upside, connecting bolt is all worn to be equipped with in the activity at base both ends, connecting bolt and connecting seat threaded connection.
By adopting the technical scheme, on one hand, the buffer device bears the stress of a part of the rubber gasket, so that the aging rate of the rubber gasket is reduced; on the other hand, the jacking bolt is screwed, so that the oil tank is slightly jacked up, the rubber pad is deformed in a recovering manner and can be pulled out from the space between the base and the oil tank, and then the rubber can be replaced, and the long-term damping and noise reduction effect is ensured.
The utility model discloses further set up to: the connecting seat comprises a connecting plate arranged on the upper side of the rubber pad and side plates arranged on two sides of the rubber pad and connected with the connecting plate, the base comprises a C-shaped seat arranged on the lower side of the rubber pad and fixing plates arranged on two sides of the rubber pad and connected with the C-shaped seat, and a distance is reserved between each side plate and the corresponding fixing plate.
Through adopting above-mentioned technical scheme, the area of contact of rubber pad and connecting seat, base is big, places stably.
The utility model discloses further set up to: the C-shaped seat is characterized in that a connecting hole for the rod part of the connecting bolt to penetrate through is formed in the upper part of the C-shaped seat, a through hole for the head part of the connecting bolt to penetrate through is formed in the lower part of the C-shaped seat, and a space is formed between the head part of the connecting bolt and the upper part of the C-shaped seat.
Through adopting above-mentioned technical scheme, connect through connecting bolt between base and the connecting seat for base and rubber pad can not drop when the transformer lifts up. Meanwhile, when the rubber pad is pressed, the head of the connecting bolt moves downwards relative to the upper part of the C-shaped seat, so that the connecting bolt cannot influence the damping effect of the rubber pad.
The utility model discloses further set up to: the rubber pad is provided with a positioning hole for the connecting bolt to pass through.
Through adopting above-mentioned technical scheme, the rubber pad receives the location of connecting bolt and difficult activity, guarantees the stability that the rubber pad was placed.
The utility model discloses further set up to: the upper seat and the lower seat are both provided with limiting grooves for the buffer spring to be clamped in.
Through adopting above-mentioned technical scheme, buffer spring receives the spacing and difficult activity of spacing groove, guarantees its cushioning effect's stability.
The utility model discloses further set up to: the upper seat is connected with a fixing screw rod penetrating through the lower seat, and the end part of the fixing screw rod is in threaded connection with a fixing nut.
Through adopting above-mentioned technical scheme, connect through clamping screw and fixation nut between upper seat and the lower seat, make both difficult separations, the transformer of being convenient for is lifted.
The utility model discloses further set up to: the upper side and the lower side of the rubber pad are fixedly connected with sliding plates, and the sliding plates are C-shaped and are clamped into the connecting seats or the base.
Through adopting above-mentioned technical scheme, reduce the resistance that receives when the rubber pad was taken out on the one hand, on the other hand avoids gluing on the base and the trouble that can't take out behind the rubber pad part hot melt.
To sum up, the utility model discloses following beneficial effect has: through the arrangement of the buffer device, on one hand, the buffer device bears the stress of a part of the rubber gasket, so that the aging rate of the rubber gasket is reduced; on the other hand, the jacking bolt is screwed, so that the oil tank is slightly jacked up, the rubber pad is deformed in a recovering manner and can be pulled out from the space between the base and the oil tank, and then the rubber can be replaced, and the long-term damping and noise reduction effect is ensured.
Drawings
FIG. 1 is a schematic structural view of an embodiment;
FIG. 2 is a schematic structural view of the connecting base, the base and the rubber pad in the embodiment;
FIG. 3 is an exploded view of the connecting socket, the base and the rubber pad in the embodiment;
fig. 4 is a schematic structural diagram of the buffer device in the embodiment.
Description of reference numerals: 1. an oil tank; 2. a base; 21. a C-shaped seat; 211. connecting holes; 212. a through hole; 22. a fixing plate; 3. a rubber pad; 31. positioning holes; 4. a buffer device; 41. an upper seat; 42. a lower seat; 43. a buffer spring; 44. jacking bolts; 45. fixing the screw rod; 46. fixing a nut; 5. a connecting seat; 51. a connecting plate; 52. a side plate; 6. a connecting bolt; 7. a limiting groove; 8. a slide board.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
A damping and noise-reducing oil-immersed transformer is shown in figure 1 and comprises an oil tank 1, two bases 2 and two buffering devices 4, wherein the two bases 2 are installed at the bottom of the oil tank 1. When the transformer is installed on the crossbeam, the base 2 and the buffer device 4 are both vertically erected on the crossbeam to play a supporting role, and the base 2 is fixedly connected with the crossbeam through bolts.
As shown in fig. 1 and 2, a connecting seat 5 is arranged between the base 2 and the oil tank 1, and the connecting seat 5 is fixedly connected with the bottom of the oil tank 1. A rubber pad 3 is arranged between the connecting seat 5 and the base 2, and the functions of cushioning and noise reduction are achieved. The equal fixedly connected with slide 8 in both sides about the rubber pad 3, slide 8 are the C type and half surround rubber pad 3, have the interval between two slides 8. On one hand, the resistance of the rubber pad 3 when being pulled out is reduced, and on the other hand, the trouble that the rubber pad 3 is partially adhered to the base 2 after being hot-melted and cannot be taken out is avoided.
As shown in fig. 1 and 2, the connecting seat 5, the base 2 and the rubber pad 3 have equal length, and the cross section of the rubber pad 3 is square. The connecting base 5 comprises a connecting plate 51 fixedly connected with the bottom of the oil tank 1 and side plates 52 vertically and fixedly connected with two end parts of the connecting plate 51, and the upper sliding plate 8 of the connecting base 5 is completely clamped in. The base 2 comprises a C-shaped seat 21 arranged on the lower side of the rubber pad 3 and fixing plates 22 fixedly connected to two opposite sides of the upper part of the C-shaped seat 21, so that the lower sliding plate 8 can be completely clamped into the base 2. The side plates 52 and the corresponding fixing plates 22 are spaced apart from each other, so that the connecting base 5 and the base 2 do not touch each other after the rubber pad 3 is deformed by pressure.
As shown in fig. 2 and 3, connecting bolts 6 are movably inserted through both ends of the upper portion of the C-shaped seat 21, and the connecting bolts 6 are hexagon bolts. The head of the connecting bolt 6 faces downwards, the rod of the connecting bolt faces upwards and is in threaded connection with the connecting plate 51, and the rubber pad 3 and the sliding plate 8 are jointly provided with a positioning hole 31 for the connecting bolt 6 to pass through. On the one hand, the base 2 and the rubber pad 3 cannot fall off when the transformer is lifted, and on the other hand, the rubber pad 3 is not easy to move due to the positioning of the connecting bolt 6, so that the placing stability of the rubber pad 3 is ensured. The upper part of the C-shaped seat 21 is provided with a connecting hole 211 for the rod part of the connecting bolt 6 to pass through, the lower part of the C-shaped seat 21 is provided with a through hole 212 for the head part of the connecting bolt 6 to pass through, and a distance is reserved between the head part of the connecting bolt 6 and the upper part of the C-shaped seat 21. The connecting bolt 6 can be completely removed from the through hole 212 after being screwed, so that the rubber pad 3 can be extracted without being obstructed by the connecting bolt 6.
As shown in fig. 1 and 4, the damper device 4 includes an upper seat 41, a lower seat 42, and two damper springs 43 disposed between the upper seat 41 and the lower seat 42. The upper seat 41 and the base 2 of the oil tank 1 are fixedly connected, the upper seat 41 and the lower seat 42 are both provided with a limiting groove 7 for the buffer spring 43 to be clamped in, the lower seat 42 is in threaded connection with a jacking bolt 44 extending into the buffer spring 43, and the jacking bolt 44 is an inner hexagon bolt. Under normal conditions, the jacking bolt 44 does not jack the upper seat 41, and the buffer spring 43 plays a role in buffering and reducing noise, and shares the pressure of the rubber pad 3. When replacing the rubber pad 3, the jacking bolt 44 is screwed to prop against the upper seat 41, so that the buffer device 4 has high supporting strength, and the rubber pad 3 can be conveniently drawn out. The equal fixedly connected with clamping screw 45 of upper bracket 41 both ends downside, lower seat 42 are provided with the hole that supplies clamping screw 45 to pass, and clamping screw 45 tip threaded connection has the fixation nut 46 of hugging closely with lower seat 42 downside. The upper seat 41 and the lower seat 42 are connected through a fixing screw 45 and a fixing nut 46, so that the upper seat and the lower seat are not easy to separate, and the transformer is convenient to lift.
The installation process comprises the following steps:
the transformer is placed on the two cross beams, the jacking bolts 44, the fixing screw rods 45 and the connecting bolts 6 are staggered relative to the cross beams, and then the base 2 is tightly connected with the cross beams.
The replacement process comprises the following steps:
firstly screwing the jacking bolt 44 to the buffer device 4 to jack up the oil tank 1, enabling the rubber pad 3 to return to deform, then screwing out the two connecting bolts 6, and finally, drawing out the rubber pad 3 for replacement.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims (7)

1. The utility model provides a vibration/noise reduction's oil-immersed transformer, includes oil tank (1), two sets up in base (2) of oil tank (1) bottom, sets up rubber pad (3) between oil tank (1) and base (2), its characterized in that: the oil tank is characterized in that at least two buffer devices (4) are arranged at the bottom of the oil tank (1), each buffer device (4) comprises an upper seat (41), a lower seat (42), a buffer spring (43) arranged between the upper seat (41) and the lower seat (42), and a jacking bolt (44) which is in threaded connection with the lower seat (42) and is positioned in the buffer spring (43); the connecting device is characterized in that a connecting seat (5) connected with the oil tank (1) is arranged on the upper side of the rubber pad (3), connecting bolts (6) are movably arranged at two ends of the base (2) in a penetrating mode, and the connecting bolts (6) are in threaded connection with the connecting seat (5).
2. The oil-filled transformer with vibration and noise reduction function according to claim 1, wherein: the connecting seat (5) comprises a connecting plate (51) arranged on the upper side of the rubber pad (3) and side plates (52) arranged on two sides of the rubber pad (3) and connected with the connecting plate (51), the base (2) comprises a C-shaped seat (21) arranged on the lower side of the rubber pad (3) and fixing plates (22) arranged on two sides of the rubber pad (3) and connected with the C-shaped seat (21), and intervals are formed between the side plates (52) and the corresponding fixing plates (22).
3. The oil-filled transformer with vibration and noise reduction function according to claim 2, wherein: the C-shaped seat (21) is provided with a connecting hole (211) for the rod part of the connecting bolt (6) to pass through at the upper part, a through hole (212) for the head part of the connecting bolt (6) to pass through at the lower part, and a space is reserved between the head part of the connecting bolt (6) and the upper part of the C-shaped seat (21).
4. The oil-filled transformer with vibration and noise reduction function according to claim 2, wherein: the rubber pad (3) is provided with a positioning hole (31) for the connecting bolt (6) to pass through.
5. The oil-filled transformer with vibration and noise reduction function according to claim 1, wherein: the upper seat (41) and the lower seat (42) are both provided with limiting grooves (7) for the buffer springs (43) to be clamped in.
6. The oil-filled transformer with vibration and noise reduction function according to claim 1, wherein: the upper seat (41) is connected with a fixing screw rod (45) penetrating through the lower seat (42), and the end part of the fixing screw rod (45) is in threaded connection with a fixing nut (46).
7. The oil-filled transformer with vibration and noise reduction function according to claim 1, wherein: the rubber pad (3) upper and lower both sides equal fixedly connected with slide (8), slide (8) are the C type and block in connecting seat (5) or base (2).
CN201922319089.9U 2019-12-20 2019-12-20 Vibration/noise reduction's oil-immersed transformer Active CN210896887U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922319089.9U CN210896887U (en) 2019-12-20 2019-12-20 Vibration/noise reduction's oil-immersed transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922319089.9U CN210896887U (en) 2019-12-20 2019-12-20 Vibration/noise reduction's oil-immersed transformer

Publications (1)

Publication Number Publication Date
CN210896887U true CN210896887U (en) 2020-06-30

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113707984A (en) * 2021-08-26 2021-11-26 北京软创展益科技有限公司 Public relation service carrying power equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113707984A (en) * 2021-08-26 2021-11-26 北京软创展益科技有限公司 Public relation service carrying power equipment

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