CN116130213B

CN116130213B - Transformer oil tank and oil immersed transformer

Info

Publication number: CN116130213B
Application number: CN202310412216.8A
Authority: CN
Inventors: 姚雪梅; 孙井川; 佟遥遥; 包志兵
Original assignee: Jiangsu Dibel Electric Co ltd
Current assignee: Jiangsu Dibel Electric Co ltd
Priority date: 2023-04-18
Filing date: 2023-04-18
Publication date: 2023-06-23
Anticipated expiration: 2043-04-18
Also published as: CN116130213A

Abstract

The invention discloses a transformer oil tank and an oil immersed transformer, and belongs to the technical field of oil immersed transformers. The utility model provides a transformer tank and oil-immersed transformer, includes box and conservator, the below of conservator is provided with the support frame, the conservator passes through the support frame and is connected with the box, the outside of box is provided with the cooling tube, the inner chamber of box is provided with the baffle, one side of baffle is the oil storage district, the opposite side of baffle is the radiating area, the inner chamber of box is provided with one-level radiating component. This transformer tank and oil-immersed transformer through setting up one-level radiator unit for this transformer tank is when the fluid temperature of inner chamber is too high, can the automatic control hot fluid circulate through leading oil pipe, simultaneously, two fans are simultaneously to leading the fluid of oil pipe inner chamber to carry out forced air cooling, avoid influencing the operation of transformer because the fluid temperature of box inner chamber is too high, the effectual cooling effect that has improved this transformer tank.

Description

Transformer oil tank and oil immersed transformer

Technical Field

The invention relates to the technical field of oil immersed transformers, in particular to a transformer oil tank and an oil immersed transformer.

Background

The distribution transformer is one of important equipment in industrial and mining enterprises and civil building power supply and distribution systems, the transformer oil tank is a shell of the transformer by filling transformer oil into an oil tank as insulation and cooling medium, an iron core and a winding are filled in the transformer oil tank, so that the iron core and the winding are immersed in oil, however, the oil tank used by the traditional oil-immersed transformer flows by depending on the change of the temperature of the oil medium, so that the flowing effect of the oil is poor, the cooling effect of the oil tank is poor, and the service performance of the transformer is reduced.

Based on this, the invention designs a transformer tank to solve the above problems.

Disclosure of Invention

1. Technical problem to be solved

The invention aims to provide a transformer oil tank and an oil immersed transformer, which are used for solving the problems in the background technology.

2. Technical proposal

The utility model provides a transformer tank, includes box and conservator, the below of conservator is provided with the support frame, the conservator is connected with the box through the support frame, the outside of box is provided with the cooling tube, the inner chamber of box is provided with the baffle, one side of baffle is the oil storage district, the opposite side of baffle is the heat dissipation district, the inner chamber of box is provided with one-level radiator unit, the outside of conservator is provided with secondary radiator unit, secondary radiator unit is connected with one-level radiator unit, the below of box is connected with the supporting legs, the below of supporting legs is provided with damper unit.

Preferably, the primary heat dissipation assembly comprises an oil guide pipe arranged in the inner cavity of the heat dissipation area, the oil guide pipe is obliquely arranged and is in a bow shape, two ends of the oil guide pipe are communicated with the oil storage area through a baffle, and one end of the baffle, which is positioned below, is connected with a one-way valve;

preferably, the heat dissipation device further comprises two mounting shafts arranged above the heat dissipation area, the bottom ends of the two mounting shafts are connected with a first fan, the outer sides of the two mounting shafts are connected with driving wheels, a driving belt is sleeved between the two driving wheels, and the top end of one mounting shaft penetrates through the box body and is provided with a driving assembly.

Preferably, the driving assembly comprises a protection box arranged above the box body, a motor and a power supply are arranged in an inner cavity of the protection box, a second conical gear is connected to an output shaft of the motor, a first conical gear is meshed with the outer side of the second conical gear, and the first conical gear is connected with the end portion of the installation shaft.

Preferably, the inner chamber in oil storage district is provided with the circular telegram subassembly, the circular telegram subassembly is including setting up in the fly leaf in oil storage district inner chamber, the fly leaf is less than the top of leading oil pipe and the link of baffle, the top of fly leaf is provided with a plurality of reset springs, the fly leaf passes through reset spring and is connected with the box, the top of fly leaf and the upper wall of box all are connected with the mounting panel, the opposite side of mounting panel all is connected with electrically conductive post, two electrically conductive post is connected with motor and power respectively.

Preferably, the secondary heat dissipation assembly comprises mounting frames arranged at two ends of the conservator, a rotating rod is connected between the mounting frames, the rotating rod penetrates through the conservator, two ends of the rotating rod are located at the outer side of the conservator and are connected with a second fan, the rotating rod is located at the outer side of an inner cavity of the conservator and is connected with a first spiral sheet and a second spiral sheet, the first spiral sheet and the second spiral sheet are symmetrical along the middle of the conservator, and the spiral directions of the first spiral sheet and the second spiral sheet are opposite.

Preferably, one of them the outside of mounting bracket is provided with drive assembly, drive assembly is including setting up in the driven driving wheel in the mounting bracket outside and setting up in the bearing frame of protection box inner chamber, the inside transmission shaft that runs through of bearing frame, the one end and the bevel gear two of transmission shaft are connected, and the other end of transmission shaft runs through the protection box and is connected with the action wheel, the cover is equipped with the belt between driven driving wheel and the action wheel.

Preferably, the damping assembly comprises a mounting base arranged below the box body, a supporting plate is arranged above the mounting base, two groups of mounting seats are connected inside the mounting base, a guide rod is arranged between the mounting seats, two connecting blocks are symmetrically arranged on the outer sides of the guide rod along the middle of the guide rod, a buffer spring is connected to one side of each connecting block, two ends of each buffer spring are respectively connected with the mounting seat and each connecting block, a fixing seat is connected to the other side of each connecting block, a connecting rod is connected between the two groups of connecting blocks, and two hinge rods are arranged on the outer sides of the connecting rods and are hinged with the supporting plate.

Preferably, the damping assembly further comprises a supporting assembly arranged in the inner cavity of the mounting base, the supporting assembly comprises a fixing sleeve arranged in the inner cavity of the mounting base, a supporting spring is arranged in the inner cavity of the fixing sleeve, one end of the supporting spring is connected with the fixing sleeve, the other end of the supporting spring is connected with a connecting plate, one side, away from the supporting spring, of the connecting plate is connected with a supporting rod, and the supporting rod penetrates through the fixing sleeve and is connected with the supporting plate.

Preferably, the outside that the box is located the oil storage area top is connected with a plurality of wiring ends, the wiring end is high-pressure line outgoing end and low-pressure line outgoing end respectively.

The invention further provides an oil immersed transformer, which comprises the transformer oil tank.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

1) According to the invention, the primary heat dissipation assembly is arranged, so that when the oil temperature of the inner cavity of the transformer oil tank is too high, the circulation of hot oil through the oil guide pipe can be automatically controlled, meanwhile, the two fans simultaneously cool the oil in the inner cavity of the oil guide pipe in an air-cooling manner, the influence on the operation of the transformer caused by the too high oil temperature in the inner cavity of the tank body is avoided, and the cooling effect of the transformer oil tank is effectively improved.

2) According to the invention, by arranging the secondary heat dissipation assembly, when the oil temperature of the inner cavity of the oil storage area of the transformer oil tank is increased, the second fans can be controlled to rotate, so that the oil flowing into the oil conservator due to the increase of the oil temperature is cooled, meanwhile, the first spiral sheet and the second spiral sheet can drive the oil in the middle section of the oil conservator to the two sides of the inner cavity of the oil conservator, so that the cooling effect of the second fans is effectively improved, and the cooling effect of the transformer oil tank on the oil is further improved.

3) According to the invention, the damping component is arranged, so that the transformer oil tank can be buffered through elastic potential energy generated by deformation of the buffer spring when the transformer oil tank is installed, damage caused by collision of the transformer oil tank due to difficult control of the hoisting machine in the installation process is avoided, meanwhile, the downward component force of a part of the hinge rod is counteracted through the elastic potential energy generated by the support spring, on one hand, the transformer oil tank can be further buffered and protected, and on the other hand, the guide rod is prevented from being broken due to the downward component force generated by the hinge rod.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is an enlarged view of the structure of FIG. 1A according to the present invention;

FIG. 3 is a cross-sectional view of the protective case structure of the present invention;

FIG. 4 is a cross-sectional view of the structure of the case of the present invention;

FIG. 5 is an enlarged view of the structure of FIG. 4B in accordance with the present invention;

FIG. 6 is a cross-sectional view of the structure of the oil conservator of the present invention;

FIG. 7 is a schematic view of a shock absorbing assembly according to the present invention;

fig. 8 is a cross-sectional view of the fixing sleeve structure of the present invention.

The reference numerals in the figures illustrate: 1. a case; 2. a conservator; 3. a support frame; 4. a heat radiating pipe; 5. a partition plate; 6. an oil storage area; 7. a heat dissipation area; 8. a primary heat dissipation assembly; 801. an oil guide pipe; 802. a mounting shaft; 803. a first fan; 804. a driving wheel; 805. a transmission belt; 806. a first conical gear; 807. a motor; 808. a second bevel gear; 809. a power supply; 810. a movable plate; 811. a return spring; 812. a mounting plate; 813. a conductive post; 814. a protective case; 9. a secondary heat sink assembly; 901. a mounting frame; 902. a rotating lever; 903. a second fan; 904. a first spiral sheet; 905. spiral sheets II; 906. driven wheel; 907. a belt; 908. a bearing seat; 909. a transmission shaft; 910. a driving wheel; 10. supporting feet; 11. a shock absorbing assembly; 1101. a mounting base; 1102. a support plate; 1103. a mounting base; 1104. a guide rod; 1105. a buffer spring; 1106. a connecting block; 1107. a fixing seat; 1108. a connecting rod; 1109. a hinge rod; 1110. a fixed sleeve; 1111. a support spring; 1112. a connecting plate; 1113. a support rod; 12. a terminal.

Detailed Description

Examples: referring to fig. 1-8, a transformer oil tank comprises a tank body 1 and a conservator 2, wherein a supporting frame 3 is arranged below the conservator 2, the conservator 2 is connected with the tank body 1 through the supporting frame 3, a radiating pipe 4 is arranged on the outer side of the tank body 1, a partition board 5 is arranged in an inner cavity of the tank body 1, one side of the partition board 5 is an oil storage area 6, the other side of the partition board 5 is a radiating area 7, a primary radiating component 8 is arranged in the inner cavity of the tank body 1, a secondary radiating component 9 is arranged on the outer side of the conservator 2, the secondary radiating component 9 is connected with the primary radiating component 8, a supporting leg 10 is connected to the lower side of the tank body 1, a damping component 11 is arranged below the supporting leg 10, a plurality of wiring terminals 12 are connected to the outer side of the tank body 1 above the oil storage area 6, and the wiring terminals 12 are a high-voltage outgoing line end and a low-voltage outgoing line end respectively.

The primary heat radiation component 8 comprises an oil guide pipe 801 arranged in the inner cavity of the heat radiation area 7, the oil guide pipe 801 is obliquely arranged, the oil guide pipe 801 is in a shape of an arc, two ends of the oil guide pipe 801 are communicated with the oil storage area 6 through a partition board 5, one end of the partition board 5 positioned below is connected with a one-way valve, the primary heat radiation component also comprises two mounting shafts 802 arranged above the heat radiation area 7, the bottom ends of the two mounting shafts 802 are connected with a first fan 803, the outer sides of the two mounting shafts 802 are connected with driving wheels 804, a transmission belt 805 is sleeved between the two driving wheels 804, the top end of one mounting shaft 802 penetrates through the box 1 and is provided with a driving component, the driving component comprises a protection box 814 arranged above the box 1, the inner cavity of the protection box 814 is provided with a motor 807 and a power supply 809, the output shaft of the motor 807 is connected with a second conical gear 808, the outside meshing of pinion two 808 has pinion one 806, pinion one 806 is connected with the tip of installation axle 802, the inner chamber of oil storage district 6 is provided with the power on subassembly, the power on subassembly is including setting up in the fly leaf 810 of oil storage district 6 inner chamber, the fly leaf 810 is higher than the connecting end of oil pipe 801 top and baffle 5 when expanding, the fly leaf 810 is at the top of oil pipe 801 and the connecting end of baffle 5 in the normal condition, the top of fly leaf 810 is provided with a plurality of reset springs 811, fly leaf 810 is connected with box 1 through reset spring 811, the top of fly leaf 810 and the upper wall of box 1 all are connected with mounting panel 812, the opposite side of mounting panel 812 all is connected with electric pole 813, two electric poles 813 are connected with motor 807 and power 809 respectively.

Specifically, when the oil in the inner cavity of the oil storage area 6 expands due to overhigh temperature, the oil will push the movable plate 810 upwards, thereby enabling the movable plate 810 to compress the return spring 811 fixedly connected with the movable plate 810, meanwhile, the movable plate 810 drives the mounting plate 812 fixedly connected with the movable plate 810 to move upwards, when the movable plate 810 passes over the connection end of the oil guide pipe 801 and the partition plate 5, the oil will flow into the inner cavity of the oil guide pipe 801 due to expansion, meanwhile, the two mounting plates 812 are in contact, thereby enabling the power supply 809 to supply power to the motor 807, thereby enabling the motor 807 to drive the conical gear II 808 fixedly connected with the output shaft of the motor 808 to rotate, at this moment, due to the fact that the conical gear II 808 is meshed with the conical gear I806, the conical gear II 808 drives the conical gear I to rotate, the conical gear I can drive the fan I to rotate through the mounting shaft 802 fixedly connected with the conical gear I, the mounting shaft 802 can drive the driving wheel 804 to rotate while rotating, thereby enable the driving wheel 804 to drive the other fan I to rotate through the driving wheel 805 to drive the driving wheel 803 to rotate, and simultaneously rotate the two fans I, so that the two driving wheels 803 rotate simultaneously to enable the driving wheel 803 to rotate to the oil to flow into the inner cavity of the oil guide pipe 801, and then the oil storage area 6 is cooled by the oil through the air cooling area 801 due to the fact that the cooling liquid is enabled to flow into the inner cavity of the oil guide pipe 801 and then to flow through the cooling area 6.

Through setting up one-level cooling module 8 for this transformer tank is when the fluid temperature of inner chamber is too high, can the circulation of automatic control hot fluid through lead oil pipe 801, simultaneously, two fans 803 carry out forced air cooling to the fluid of leading oil pipe 801 inner chamber simultaneously, avoid because the fluid temperature of box 1 inner chamber is too high leads to influencing the operation of transformer, the effectual cooling effect that has improved this transformer tank.

The secondary heat dissipation assembly 9 comprises mounting frames 901 arranged at two ends of the conservator 2, a rotating rod 902 is connected between the two mounting frames 901, the rotating rod 902 penetrates through the conservator 2 to be arranged, two ends of the rotating rod 902 are located at the outer side of the conservator 2 and are connected with a second fan 903, the rotating rod 902 is located at the outer side of an inner cavity of the conservator 2 and is connected with a first spiral piece 904 and a second spiral piece 905, the first spiral piece 904 and the second spiral piece 905 are symmetrical along the middle of the conservator 2, the spiral directions of the first spiral piece 904 and the second spiral piece 905 are opposite, a transmission assembly is arranged at the outer side of one mounting frame 901 and comprises a driven wheel 906 arranged at the outer side of the mounting frame 901 and a bearing seat 908 arranged in the inner cavity of a protection box 814, one end of the bearing seat 908 penetrates through a transmission shaft 909 and is connected with a second conical gear 808, the other end of the transmission shaft 909 penetrates through the protection box 814 and is connected with a driving wheel 910, and a belt 907 is sleeved between the driven wheel 906 and the driving wheel 910.

Specifically, the volume of the oil in the inner cavity of the oil storage area 6 is larger than the volume of the oil storage area 6 due to thermal expansion, the volume of the oil in the inner cavity of the oil storage area 6 can flow into the oil conservator 2 due to the working principle of the oil immersed hydraulic device, at the moment, the conical gear II 808 drives the transmission shaft 909 fixedly connected with the conical gear II to rotate while rotating, so that the transmission shaft 909 drives the driving wheel 910 fixedly connected with the transmission shaft to rotate, the driving wheel 910 drives the driven wheel 906 to rotate through the belt 907 while rotating, at the moment, the driven wheel 906 drives the rotating rod 902 fixedly connected with the driven wheel 906, so that the two fans II 903 simultaneously rotate to cool the oil in the inner cavity of the oil conservator 2, and the rotating rod 902 drives the two spiral pieces 904 and the spiral piece II 905 to rotate while driving the fans II to rotate, at the moment, the spiral piece 904 and the spiral piece II stir the oil in the inner cavity of the oil conservator 2, and at the two ends of the spiral piece 904 and the spiral piece II 905 stir the oil in the middle of the inner cavity of the oil conservator 2 in opposite directions, so that the two fans 903 can cool the oil in the inner cavity of the oil conservator 2 sufficiently.

Through setting up secondary cooling subassembly 9 for this transformer tank is when the oil temperature of oil storage district 6 inner chamber risees, can control fan two 903 and rotate, thereby to because the oil temperature risees and lead to flowing in the fluid in the conservator 2 to cool down the processing, simultaneously, spiral piece one 904 and spiral piece two 905 can be with the fluid transmission of conservator 2 middle section to the both sides of conservator 2 inner chamber, thereby the effectual cooling effect of two fans two 903 of improvement has further improved the cooling effect of this transformer tank to fluid.

The damping component 11 comprises a mounting base 1101 arranged below a box body 1, a supporting plate 1102 is arranged above the mounting base 1101, two groups of mounting seats 1103 are connected inside the mounting base 1101, a guide rod 1104 is arranged between the single groups of mounting seats 1103, two connecting blocks 1106 are symmetrically arranged at the outer sides of the guide rod 1104 along the middle of the guide rod, one side of each connecting block 1106 is connected with a buffer spring 1105, two ends of each buffer spring 1105 are respectively connected with the mounting seat 1103 and each connecting block 1106, the other side of each connecting block 1106 is connected with a fixing seat 1107, a connecting rod 1108 is connected between the two groups of connecting blocks 1106, two hinging rods 1109 are arranged outside the connecting rods 1108, the hinging rods 1109 are hinged with the supporting plate 1102, the damping component 11 further comprises a supporting component arranged in an inner cavity of the mounting base 1101, the supporting component comprises a fixing sleeve 1110 arranged in the inner cavity of the mounting base 1101, a supporting spring 1111 is arranged in the inner cavity of the fixing sleeve 1110, one end of the supporting spring 1111 is connected with the fixing sleeve, the other end of the supporting spring 1112 is connected with the connecting plate 1112, one side, far away from the supporting spring 1111, the supporting rod 1113 is connected with the supporting rod 1113, and the supporting rod 1113 penetrates through the fixing sleeve 1110 and is connected with the supporting plate 1102.

Specifically, when the transformer tank is not mounted on the damping component 11, the buffer spring 1105 is in a compressed state, and when the transformer tank is mounted, the lifting box body 1 enables the supporting leg 10 to fall above the supporting plate 1102, so that the supporting plate 1102 moves downwards, at this time, the hinge rod 1109 pushes the connecting rods 1108 fixedly connected with the connecting rods to the outside, so that the 1008 drives the two connecting blocks 1106 fixedly connected with the connecting rods to press the buffer spring 1105 fixed with the connecting rods, so that elastic potential energy generated by deformation of the buffer spring 1105 buffers the transformer tank, damage caused by collision of the transformer tank due to difficult control of the lifting machine in the mounting process is avoided, and meanwhile, in order to avoid breakage of the guide rod 1104 due to vertical downward pressure generated by the hinge rod 1109, the supporting plate 1102 pushes the supporting rods 1113 fixedly connected with the supporting rods to move downwards in the downward moving process, so that the connecting plates 1112 move downwards and compress the supporting springs 1111, and the elastic potential energy generated by the supporting springs 1111 counteracts part of downward component force of the hinge rod 1109.

Through setting up damper 11 for this transformer tank is when the installation, can cushion this transformer tank through the elastic potential energy that buffer spring 1105 deformation produced, avoids in the installation, because the difficult control of lifting machine leads to the transformer tank to bump and leads to damaging, and the elastic potential energy that produces through supporting spring 1111 offsets the decurrent component of part articulated rod 1109 simultaneously, can further cushion the protection to the transformer tank on the one hand, on the other hand can also avoid because articulated rod 1109 produces decurrent component and lead to pressing broken guide bar 1104.

The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a transformer tank, includes box (1) and conservator (2), the below of conservator (2) is provided with support frame (3), conservator (2) are connected its characterized in that with box (1) through support frame (3): the novel oil tank comprises a tank body (1), and is characterized in that a radiating pipe (4) is arranged on the outer side of the tank body (1), a partition plate (5) is arranged in an inner cavity of the tank body (1), an oil storage area (6) is arranged on one side of the partition plate (5), a radiating area (7) is arranged on the other side of the partition plate (5), a primary radiating component (8) is arranged in the inner cavity of the tank body (1), a secondary radiating component (9) is arranged on the outer side of the oil conservator (2), the secondary radiating component (9) is connected with the primary radiating component (8), supporting legs (10) are connected to the lower side of the tank body (1), and damping components (11) are arranged below the supporting legs (10);

the primary heat dissipation assembly (8) comprises an oil guide pipe (801) arranged in the inner cavity of the heat dissipation area (7), the oil guide pipe (801) is obliquely arranged, the oil guide pipe (801) is in an arch shape, two ends of the oil guide pipe (801) are communicated with the oil storage area (6) through a partition plate (5), and one end of the partition plate (5) positioned below is connected with a one-way valve;

the heat dissipation device comprises a box body (1) and is characterized by further comprising two mounting shafts (802) arranged above the heat dissipation region (7), wherein the bottom ends of the two mounting shafts (802) are connected with a first fan (803), the outer sides of the two mounting shafts (802) are connected with driving wheels (804), a driving belt (805) is sleeved between the two driving wheels (804), and the top end of one mounting shaft (802) penetrates through the box body (1) and is provided with a driving assembly;

the driving assembly comprises a protection box (814) arranged above the box body (1), a motor (807) and a power supply (809) are arranged in an inner cavity of the protection box (814), a second conical gear (808) is connected to an output shaft of the motor (807), a first conical gear (806) is meshed with the outer side of the second conical gear (808), and the first conical gear (806) is connected with the end part of the mounting shaft (802);

the inner chamber of oil storage district (6) is provided with the circular telegram subassembly, circular telegram subassembly is including setting up in fly leaf (810) of oil storage district (6) inner chamber, fly leaf (810) are higher than the top of leading oil pipe (801) and the link of baffle (5), the top of fly leaf (810) is provided with a plurality of reset spring (811), fly leaf (810) are connected with box (1) through reset spring (811), the top of electrically conductive post (813) and the upper wall of box (1) all are connected with mounting panel (812), the opposite side of mounting panel (812) all is connected with electrically conductive post (813), two electrically conductive post (813) are connected with motor (807) and power (809) respectively.

2. A transformer tank as claimed in claim 1, wherein: the secondary heat dissipation assembly (9) comprises mounting frames (901) arranged at two ends of the conservator (2), a rotating rod (902) is connected between the mounting frames (901), the rotating rod (902) penetrates through the conservator (2) to be arranged, two fans (903) are connected to two ends of the rotating rod (902) located at the outer side of the conservator (2), a first spiral piece (904) and a second spiral piece (905) are connected to the outer side of an inner cavity of the conservator (2), the first spiral piece (904) and the second spiral piece (905) are symmetrical along the middle of the conservator (2), and the spiral directions of the first spiral piece (904) and the second spiral piece (905) are opposite.

3. A transformer tank as claimed in claim 2, wherein: one of them the outside of mounting bracket (901) is provided with drive assembly, drive assembly is including setting up from driving wheel (906) in the mounting bracket (901) outside and setting up in bearing frame (908) of protection box (814) inner chamber, the inside transmission shaft (909) that runs through of bearing frame (908), the one end and the pinion (808) of transmission shaft (909) are connected, and the other end of transmission shaft (909) runs through protection box (814) and is connected with action wheel (910), cover is equipped with belt (907) between driving wheel (906) and action wheel (910).

4. A transformer tank as claimed in claim 1, wherein: the damping component (11) comprises a mounting base (1101) arranged below a box body (1), a supporting plate (1102) is arranged above the mounting base (1101), two groups of mounting seats (1103) are connected inside the mounting base (1101), a guide rod (1104) is arranged between the mounting seats (1103), two connecting blocks (1106) are symmetrically arranged on the outer sides of the guide rod (1104) along the middle of the guide rod, one side of each connecting block (1106) is connected with a damping spring (1105), two ends of each damping spring (1105) are respectively connected with the corresponding mounting seat (1103) and each connecting block (1106), a fixing seat (1107) is connected to the other side of each connecting block (1106), a connecting rod (1108) is connected between the two groups of connecting blocks (1106), two hinge rods (1109) are arranged on the outer sides of the connecting rods (1108), and the hinge rods (1109) are hinged with the supporting plate (1102).

5. A transformer tank as claimed in claim 4, wherein: the damping assembly (11) further comprises a supporting assembly arranged in the inner cavity of the mounting base (1101), the supporting assembly comprises a fixing sleeve (1110) arranged in the inner cavity of the mounting base (1101), a supporting spring (1111) is arranged in the inner cavity of the fixing sleeve (1110), one end of the supporting spring (1111) is connected with the fixing sleeve (1110), the other end of the supporting spring (1111) is connected with a connecting plate (1112), one side, far away from the supporting spring (1111), of the connecting plate (1112) is connected with a supporting rod (1113), and the supporting rod (1113) penetrates through the fixing sleeve (1110) and is connected with the supporting plate (1102).

6. A transformer tank as claimed in claim 1, wherein: the oil storage tank is characterized in that the outer side of the tank body (1) above the oil storage area (6) is connected with a plurality of wiring terminals (12), and the wiring terminals (12) are a high-voltage wiring terminal and a low-voltage wiring terminal respectively.

7. An oil immersed transformer, characterized in that: a transformer tank comprising the oil of any one of claims 1-6.