A heat dissipation device for power transformer with alarm function

Abstract

The present invention relates to the technical field of power transformers, and discloses a power transformer heat dissipation device with an alarm function, comprising an oil tank body, a transformer body and an oil barrel, wherein a notch is provided on the upper surface of the oil tank body, and the transformer body is placed in the oil tank body through the notch, and a plurality of fixing frames are fixedly connected to the upper surface of the oil tank body, a guide rod is fixedly connected in the fixing frame, a return frame is movably connected between the plurality of guide rods, and two third slide grooves are provided in the return frame. The present invention can not only facilitate the disassembly of the transformer oil tank, thereby improving the efficiency of transformer disassembly, but also avoid the poor heat dissipation effect caused by lack of oil in the heat dissipation device of the power transformer, thereby improving the use effect and heat dissipation effect of the heat dissipation device of the power transformer, and can also save manpower and improve the convenience of disassembly of the transformer body without workers for carrying.

Description

Technical Field

[0001] The invention relates to the technical field of power transformers, in particular to a power transformer heat dissipation device with an alarm function. Background Art

[0002] Power transformer is a kind of static electrical equipment, there are many types, among which oil-immersed power transformer is more widely used. The body of oil-immersed transformer: winding and core are all installed in the oil tank filled with transformer oil. The oil tank is welded with steel plates. If the oil-immersed transformer is idle for too long, runs for too long or is affected by other natural and human factors, the insulation of the transformer will decrease, water will enter the inside or the oil will deteriorate. At this time, the transformer must be changed and dried, and the transformer body must be lifted out when changing the oil.

[0003] The body of the existing oil-immersed transformer is fixed to the transformer oil tank by multiple bolts. During the oil change process, the bolts need to be removed one by one, which takes a long time and leads to low efficiency. Therefore, it is very necessary to propose a power transformer heat dissipation device with an alarm function. Summary of the invention

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the present invention provides a power transformer heat dissipation device with an alarm function, which is mainly used to solve the problem of low efficiency in disassembling the transformer body when changing the oil of an oil-immersed transformer.

[0006] (II) Technical solution

[0007] To achieve the above object, the present invention provides the following technical solutions:

[0008] A heat dissipation device for a power transformer with an alarm function comprises an oil tank body, a transformer body and an oil barrel, a notch is provided on the upper surface of the oil tank body, and the transformer body is placed in the oil tank body through the notch, a plurality of fixing frames are fixedly connected to the upper surface of the oil tank body, a guide rod is fixedly connected in the fixing frame, a plurality of guide rods are movably connected with a return frame, two third slide grooves are provided in the return frame, two connecting rods and two clamping rods are movably connected in the third slide grooves, and one end of the clamping rod is in contact with the guide rod, one end of the connecting rod is fixedly connected with a fifth spring, and the fifth spring is fixed to the clamping rod, a plurality of fixing seats are fixedly connected to the upper surface of the oil tank body, a connecting shaft is fixedly connected in the fixing seat, and the connecting shaft passes through the fixing seat, and the circumferential outer wall of the connecting shaft is movably connected with A bracket, and the bracket is movably connected to the transformer body and in contact with the return frame, the upper surface of the oil tank body is respectively provided with multiple first slide grooves and multiple second slide grooves, two adjacent first slide grooves are movably connected with a first clamping plate, and the first clamping plate is in contact with the transformer body and the return frame, one side of the first clamping plate is fixedly connected with multiple first springs, and every two first springs are fixed to a first slide groove, the second slide groove is movably connected with a second clamping plate, and the second clamping plate is in contact with the transformer body and the return frame, one side of the second clamping plate is fixedly connected with two fourth springs, and the fourth spring is fixed to the second slide groove, multiple heat exchangers are fixedly connected to the outer side of the oil tank body, one side outer wall of the oil tank body is fixedly connected to a support plate, and the upper surface of the support plate is fixedly connected to an alarm light.

[0009] Furthermore, two fifth slide grooves are provided on the upper surface of the oil tank body, and a baffle frame is movably connected in the fifth slide groove, and second wedge blocks are fixedly connected on both sides of the baffle frame; a plurality of sixth slide grooves are provided on the upper surface of the oil tank body, and a slider is movably connected in the sixth slide groove, and the inclined surface of the slider is in contact with the inclined surface of the second wedge block, a sixth spring is fixedly connected to the bottom of the slider, and the sixth spring is fixed to the sixth slide groove, and the upper surface of the baffle frame is fixedly connected to the first wedge block, and fourth slide grooves are provided on both sides of the return frame, and the first wedge block is movably connected to the fourth slide groove and in contact with the connecting rod.

[0010] On the basis of the above scheme, an annular groove is provided on the top of the oil tank body, and the annular groove is connected with the notch, the first slide groove and the second slide groove; two first fixed plates and two second fixed plates are movably connected in the annular groove; one side of the first fixed plate and the second fixed plate are fixedly connected with a rubber pad, and the rubber pad is in contact with the transformer body; one side of the first fixed plate is fixedly connected with a plurality of third springs, and every two third springs are fixed with a second clamping plate; one side of the first fixed plate is fixedly connected with a plurality of second springs, and the second springs are fixed with the first clamping plate.

[0011] As a further solution of the present invention, torsion springs are fixedly connected to both sides of the bracket, and the torsion springs are fixed to the connecting shaft.

[0012] Furthermore, a temperature sensor is fixedly connected to the top inner wall of the oil tank body, and the temperature sensor is electrically connected to the heat exchanger.

[0013] On the basis of the above scheme, two connecting plates are fixedly connected to the upper surface of the support plate, and the oil barrel is fixed to the connecting plates, and two control valves are fixedly connected to the outside of the oil barrel and the top of the oil tank body, wherein an oil outlet pipe is fixedly connected between the two control valves, wherein an oil return pipe is fixedly connected between the two control valves, and an oil pump is fixedly connected between the oil return pipes.

[0014] As a further solution of the present invention, a filter plate is fixedly connected inside the oil barrel, a liquid level sensor is provided inside the oil barrel, and the liquid level sensor is electrically connected to the alarm light, an oil filling pipe is fixedly connected to the outside of the oil barrel, a threaded cap is threadedly connected to the top of the oil filling pipe, and a sealing cap is threadedly connected to one end of the oil barrel.

[0015] Furthermore, two fixing blocks are fixedly connected to the upper surface of the support plate, and the fixing blocks are fixed to the connecting plate.

[0016] On the basis of the above-mentioned solution, a plurality of hanging ears are fixedly connected to the top of the transformer body, and a plurality of mounting seats are fixedly connected to the bottom of the oil tank body.

[0017] As a further solution of the present invention, it also includes multiple seventh slide grooves, which are opened on the upper surface of the oil tank body, and the limiting block is movably connected in the seventh slide groove, and the limiting block is movably connected to the return frame, and a sliding hole is opened in the limiting block, and a ball is arranged in the sliding hole, and a seventh spring is fixedly connected to the outer side of the ball, and the seventh spring is fixed to the sliding hole.

[0018] (III) Beneficial effects

[0019] Compared with the prior art, the present invention provides a power transformer heat dissipation device with an alarm function, which has the following beneficial effects:

[0020] 1. Through the coordinated use of the first clamping plate, the second clamping plate and the bracket, the blocking frame is slid, and the blocking frame drives the first wedge block to move. At this time, the connecting rod will move through the force of the fifth spring and drive the clamping rod to move, so that the clamping rod is out of contact with the guide rod. At this time, the return frame will move downward by gravity and will no longer resist the clamping frame, the first clamping plate and the second clamping plate. At this time, the first clamping plate and the second clamping plate will move through the force of the first spring and the fourth spring, and the clamping frame will rotate through the force of the torsion spring, so that the transformer body can be taken out, which is convenient for disassembly of the transformer body and improves the efficiency of disassembly of the heat dissipation device of the power transformer.

[0021] 2. Through the coordinated use of the oil drum and the heat exchanger, the oil in the oil drum flows into the oil tank body, thereby absorbing the heat of the transformer body, thereby reducing the heat generated by the transformer body. At the same time, the heat exchanger will also dissipate heat from the oil tank body, thereby improving the heat dissipation effect of the power transformer heat dissipation device.

[0022] 3. Through the coordinated use of the alarm light and the liquid level sensor, when the amount of oil in the oil barrel decreases to a certain amount, the liquid level sensor will transmit a signal to the alarm light, so that the alarm light will light up, reminding the staff that they need to refill the oil barrel, avoiding the lack of oil in the heat dissipation device of the power transformer and resulting in poor heat dissipation effect, thereby improving the use effect of the heat dissipation device of the power transformer.

[0023] 4. By setting the rubber pad, the rubber pad contacts the transformer body, thereby closing the gap between the first fixing plate, the second fixing plate and the transformer body, preventing oil leakage when the transformer is cooled, and improving the sealing effect of the heat dissipation device of the power transformer.

[0024] 5. Through the setting of the hanging ears, when the transformer body needs to be disassembled, after the first clamping plate, the second clamping plate and the bracket are out of contact with the transformer body, the lifting device is connected to the hanging ears on the transformer body, and the transformer body is lifted out of the oil tank body by using the lifting device, without the need for workers to carry it, which saves manpower and improves the convenience of disassembling the transformer body. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A schematic diagram of the three-dimensional structure of a power transformer heat dissipation device with an alarm function according to an embodiment of the present invention;

[0026] Figure 2 This is a schematic cross-sectional view of an oil drum of Embodiment 1 of a heat dissipation device for a power transformer with an alarm function proposed by the present invention;

[0027] Figure 3 This is a schematic diagram of the internal structure of a power transformer heat dissipation device with an alarm function according to an embodiment 1 of the present invention;

[0028] Figure 4 This is a schematic diagram of the enlarged structure of part A of Embodiment 1 of a heat dissipation device for a power transformer with an alarm function proposed by the present invention;

[0029] Figure 5 It is a partial enlarged structural schematic diagram of Embodiment 1 of a power transformer heat dissipation device with an alarm function proposed by the present invention;

[0030] Figure 6A partial cross-sectional structural schematic diagram of Embodiment 1 of a power transformer heat dissipation device with an alarm function proposed by the present invention;

[0031] Figure 7 This is a schematic diagram of the enlarged structure of part B of Embodiment 1 of a heat dissipation device for a power transformer with an alarm function proposed by the present invention;

[0032] Figure 8 This is a schematic diagram of the enlarged structure of part C of Embodiment 1 of a heat dissipation device for a power transformer with an alarm function proposed by the present invention;

[0033] Fig. 9 This is a schematic cross-sectional structural diagram of a return frame of Embodiment 1 of a heat dissipation device for a power transformer with an alarm function proposed by the present invention;

[0034] Fig.10 A schematic diagram of the three-dimensional structure of a second embodiment of a heat dissipation device for a power transformer with an alarm function proposed by the present invention;

[0035] Fig.11 This is a schematic diagram of the enlarged structure of the D portion of Embodiment 2 of a power transformer heat dissipation device with an alarm function proposed by the present invention;

[0036] Fig.12 This is a partial cross-sectional structural schematic diagram of Embodiment 2 of a power transformer heat dissipation device with an alarm function proposed by the present invention.

[0037] In the figure: 1, oil tank body; 2, transformer body; 3, support plate; 4, oil drum; 5, fixed block; 6, cover; 7, oil filling pipe; 8, threaded cover; 9, oil outlet pipe; 10, oil return pipe; 11, control valve; 12, alarm light; 13, mounting seat; 14, heat exchanger; 15, liquid level sensor; 16, filter plate; 17, temperature sensor; 18, hanging ear; 19, fixing frame; 20, bracket; 21, fixing seat; 22, torsion spring; 23, connecting shaft; 24, annular groove; 25, first fixing plate; 26, rubber pad; 27, return frame; 28, first clamping plate; 2 9. The first slide groove; 30. The second clamping plate; 31. The second slide groove; 32. The guide rod; 33. The retaining frame; 34. The second fixed plate; 35. The first spring; 36. The second spring; 37. The third spring; 38. The fourth spring; 39. The third slide groove; 40. The fifth spring; 41. The connecting rod; 42. The clamping rod; 43. The first wedge block; 44. The fourth slide groove; 45. The second wedge block; 46. The fifth slide groove; 47. The sixth slide groove; 48. The slider; 49. The sixth spring; 50. The seventh slide groove; 51. The limit block; 52. The slide hole; 53. The seventh spring; 54. The ball bearing. DETAILED DESCRIPTION

[0038] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0039] Example 1

[0040] Reference Figure 1-Figure 9A heat dissipation device for a power transformer with an alarm function comprises an oil tank body 1, a transformer body 2 and an oil barrel 4. A notch is provided on the upper surface of the oil tank body 1, and the transformer body 2 is placed in the oil tank body 1 through the notch. A plurality of fixing frames 19 are welded on the upper surface of the oil tank body 1, and a guide rod 32 is welded in the fixing frame 19. A return frame 27 is slidably connected between the plurality of guide rods 32. Two third slide grooves 39 are provided in the return frame 27. Two connecting rods 41 and two clamping rods 42 are slidably connected in the third slide groove 39, and one end of the clamping rod 42 contacts the guide rod 32, and one end of the connecting rod 41 contacts the guide rod 32. A fifth spring 40 is welded to the end, and the fifth spring 40 is fixed to the clamping rod 42. A plurality of fixing seats 21 are welded to the upper surface of the oil tank body 1. A connecting shaft 23 is welded inside the fixing seat 21, and the connecting shaft 23 passes through the fixing seat 21. The circumferential outer wall of the connecting shaft 23 is rotatably connected to the clamping frame 20, and the clamping frame 20 is clamped with the transformer body 2 and in contact with the return frame 27. A plurality of first slide grooves 29 and a plurality of second slide grooves 31 are respectively provided on the upper surface of the oil tank body 1. A first clamping plate 28 is slidably connected in two adjacent first slide grooves 29, and the first clamping plate 28 is connected to the transformer body 2 and the return frame 27. A plurality of first springs 35 are welded on one side of the first clamping plate 28, and every two first springs 35 are fixed to a first slide groove 29, a second clamping plate 30 is slidably connected in the second slide groove 31, and the second clamping plate 30 is in contact with the transformer body 2 and the return frame 27, two fourth springs 38 are welded on one side of the second clamping plate 30, and the fourth spring 38 is fixed to the second slide groove 31, a plurality of heat exchangers 14 are fixed to the outside of the oil tank body 1 by bolts, a support plate 3 is welded to the outer wall of one side of the oil tank body 1, and an alarm light 12 is fixed to the upper surface of the support plate 3 by bolts, when the connecting rod 41 loses the blocking Afterwards, it will move under the action of the fifth spring 40, and at the same time drive the clamping rod 42 to move, so that the clamping rod 42 is out of contact with the guide rod 32. At this time, the return frame 27 moves downward under the action of gravity, and the return frame 27 no longer blocks the clamping frame 20, the first clamping plate 28 and the second clamping plate 30. At this time, the clamping frame 20 will rotate under the action of the torsion spring 22, so that the clamping frame 20 no longer clamps the transformer body 2. At the same time, the first clamping plate 28 and the second clamping plate 30 will move under the action of the first spring 35 and the fourth spring 38, so that the first clamping plate 28 and the second clamping plate 30 no longer clamp the transformer body 2.

[0041] In particular, in the present invention, two fifth slide grooves 46 are provided on the upper surface of the fuel tank body 1, and a retaining frame 33 is slidably connected in the fifth slide groove 46, and second wedge blocks 45 are welded on both sides of the retaining frame 33. A plurality of sixth slide grooves 47 are provided on the upper surface of the fuel tank body 1, and a slider 48 is slidably connected in the sixth slide groove 47, and the inclined surface of the slider 48 contacts the inclined surface of the second wedge block 45, and a sixth spring 49 is welded to the bottom of the slider 48, and the sixth spring 49 is fixed to the sixth slide groove 47, and a first wedge block 43 is welded on the upper surface of the retaining frame 33, and fourth slide grooves 44 are provided on both sides of the return frame 27, and the first wedge block 43 is slidably connected to the fourth slide groove 44 and contacts with the connecting rod 41, and an annular groove 24 is provided on the top of the fuel tank body 1, and the annular groove 24 is provided on the top of the fuel tank body 1. The annular groove 24 is connected with the notch, the first slide groove 29 and the second slide groove 31. Two first fixing plates 25 and two second fixing plates 34 are slidably connected in the annular groove 24. Rubber pads 26 are bonded to one side of the first fixing plate 25 and the second fixing plate 34, and the rubber pads 26 are in contact with the transformer body 2. The rubber pads 26 are in contact with the transformer body 2, thereby closing the gap between the first fixing plate 25 and the second fixing plate 34 and the transformer body 2 to prevent oil leakage when the transformer body 2 is cooled. A plurality of third springs 37 are welded to one side of the first fixing plate 25, and every two third springs 37 are fixed to a second clamping plate 30. A plurality of second springs 36 are welded to one side of the first fixing plate 25, and the second springs 36 are in contact with the first A clamping plate 28 is fixed, torsion springs 22 are welded on both sides of the bracket 20, and the torsion springs 22 are fixed to the connecting shaft 23, the top inner wall of the oil tank body 1 is fixed with a temperature sensor 17 by bolts, and the temperature sensor 17 is electrically connected to the heat exchanger 14, the upper surface of the support plate 3 is fixed with two connecting plates by bolts, and the oil barrel 4 is fixed to the connecting plates, the outer side of the oil barrel 4 and the top of the oil tank body 1 are fixed with two control valves 11 by bolts, wherein an oil outlet pipe 9 is fixed between the two control valves 11 by bolts, wherein an oil return pipe 10 is fixed between the two control valves 11 by bolts, and an oil pump is fixed between the oil return pipes 10 by bolts, and the oil in the oil barrel 4 flows into the oil tank body 1, thereby absorbing the heat of the transformer body 2 , thereby reducing the heat generated by the transformer body 2. At the same time, the heat exchanger 14 will also dissipate heat for the oil tank body 1. A filter plate 16 is welded inside the oil barrel 4. A liquid level sensor 15 is provided inside the oil barrel 4, and the liquid level sensor 15 is electrically connected to the alarm light 12. When the amount of oil in the oil barrel 4 decreases to a certain amount, the liquid level sensor 15 will transmit a signal to the alarm light 12, so that the alarm light 12 lights up, reminding the staff to refuel the oil barrel 4 to avoid poor heat dissipation due to lack of oil in the heat dissipation device of the power transformer. An oil filling pipe 7 is fixed to the outside of the oil barrel 4 by bolts, and a threaded cover 8 is threadedly connected to the top of the oil filling pipe 7. A cover 6 is threadedly connected to one end of the oil barrel 4. Two fixing blocks 5 are welded to the upper surface of the support plate 3, and the fixing block 5 is fixed to the connecting plate.The top of the transformer body 2 is welded with a plurality of hanging ears 18. When the transformer body 2 needs to be disassembled, after the first clamping plate 28, the second clamping plate 30 and the bracket 20 are out of contact with the transformer body 2, the lifting device is connected to the hanging ears 18 on the transformer body 2, and the transformer body 2 is lifted out of the oil tank body 1 using the lifting device. Workers do not need to carry it, which saves manpower. The bottom of the oil tank body 1 is fixed with a plurality of mounting seats 13 by bolts.

[0042] Working principle of this embodiment: When in use, when the temperature sensor 17 senses that the temperature of the transformer body 2 is too high, the temperature sensor 17 will transmit a signal to the heat exchanger 14, thereby starting the heat exchanger 14 to dissipate the heat generated by the transformer body 2 in the oil tank body 1. At the same time, the staff will open the control valve 11 to allow the oil in the oil barrel 4 to enter the oil tank body 1. The oil flows in the oil tank body 1 to absorb the heat of the transformer body 2, and then start the oil pump. The oil pump returns the oil in the oil tank body 1 to the oil return pipe 10. The oil is extracted back. When the heat dissipation is completed and the transformer body 2 needs to be disassembled, the sliding block 33 is slid, and the block 33 drives the first wedge block 43 and the second wedge block 45 to move. The second wedge block 45 squeezes the slider 48 to move into the sixth slide groove 47 and squeezes the sixth spring 49 during the movement. When the second wedge block 45 moves over the slider 48, the slider 48 is reset by the force of the sixth spring 49, thereby blocking the block 33. At the same time, the first wedge block 43 is in contact with the fourth slide groove 44 and the connecting rod 41. Disengagement, at this time, the connecting rod 41 will move under the force of the fifth spring 40, and at the same time drive the clamping rod 42 to move, so that the clamping rod 42 and the guide rod 32 are disengaged, and at this time, the return frame 27 loses the support force of the blocking frame 33 and the friction between the clamping rod 42 and the guide rod 32, and moves downward under the action of gravity, so that the return frame 27 no longer blocks the clamping frame 20, the first clamping plate 28 and the second clamping plate 30, and at this time, the clamping frame 20 will rotate under the force of the torsion spring 22, so that the clamping frame 20 is no longer stuck to the transformer body 2, and at the same time, the first clamping plate 28 and the second clamping plate 30 will move under the action of the first spring 35 and the fourth spring 38, so that the first clamping plate 28 and the second clamping plate 30 no longer clamp the transformer body 2, and at the same time, the first clamping plate 28 and the second clamping plate 30 will pull the second fixing plate 34 and the first fixing plate 25 to move under the action of the second spring 36 and the third spring 37, and then connect the lifting device to the hanging ear 18 on the transformer body 2, and lift the transformer body 2 out of the oil tank body 1 through the lifting device.

[0043] Example 2

[0044] Reference Figure 10-12A heat dissipation device for a power transformer with an alarm function also includes a plurality of seventh slide grooves 50, the seventh slide grooves 50 are arranged on the upper surface of the oil tank body 1, a limiting block 51 is slidably connected in the seventh slide grooves 50, and the limiting block 51 can be snapped with the return frame 27, a sliding hole 52 is arranged in the limiting block 51, a ball 54 is arranged in the sliding hole 52, a seventh spring 53 is welded on the outer side of the ball 54, and the seventh spring 53 is fixed to the sliding hole 52, the seventh spring 53 will support the ball 54, so that the friction between the limiting block 51 and the seventh slide groove 50 is increased through the ball 54, so that the limiting block 51 will not move easily.

[0045] The working principle of this embodiment is as follows: when in use, after the return frame 27 moves downward by gravity to contact with the tank body 1, the sliding limit block 51 causes the limit block 51 to jam the return frame 27. At this time, the return frame 27 cannot move upward. At the same time, the seventh spring 53 will support the ball 54, thereby increasing the friction between the limit block 51 and the seventh slide groove 50 through the ball 54, so that the limit block 51 will not move easily.

[0046] The electrical components mentioned in this article are all connected to an external main controller and 220V mains electricity, and the main controller can be a conventional known device for controlling a computer or the like.

[0047] In the description of this article, it should be noted that relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0048] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A heat dissipation device for a power transformer with an alarm function, comprising an oil tank body (1), a transformer body (2) and an oil drum (4), characterized in that: The upper surface of the oil tank body (1) is provided with a notch, and the transformer body (2) is placed in the oil tank body (1) through the notch. The upper surface of the oil tank body (1) is fixedly connected to a plurality of fixing frames (19), and a guide rod (32) is fixedly connected to the fixing frames (19). A return frame (27) is movably connected between the plurality of guide rods (32). Two third slide grooves (39) are provided in the return frame (27), and two connecting rods (41) and two clamping rods (42) are movably connected in the third slide grooves (39), and one end of the clamping rod (42) is in contact with the guide rod (32). One end of the connecting rod (41) is fixedly connected to a fifth spring (40), and the fifth spring (40) is fixed to the clamping rod (42). The upper surface of the box body (1) is fixedly connected to a plurality of fixing seats (21), the fixing seats (21) are fixedly connected to a connecting shaft (23), and the connecting shaft (23) passes through the fixing seats (21), the circumferential outer wall of the connecting shaft (23) is movably connected to a clamping frame (20), and the clamping frame (20) is movably connected to the transformer body (2) and in contact with the return frame (27), the upper surface of the oil tank box body (1) is respectively provided with a plurality of first sliding grooves (29) and a plurality of second sliding grooves (31), two adjacent first sliding grooves (29) are movably connected to a first clamping plate (28), and the first clamping plate (28) is in contact with the transformer body (2) and the return frame (27), and one side of the first clamping plate (28) is fixedly connected to a plurality of first springs ( 35), and each two first springs (35) are fixed to a first slide groove (29), a second clamping plate (30) is movably connected in the second slide groove (31), and the second clamping plate (30) is in contact with the transformer body (2) and the return frame (27), two fourth springs (38) are fixedly connected to one side of the second clamping plate (30), and the fourth spring (38) is fixed to the second slide groove (31), a plurality of heat exchangers (14) are fixedly connected to the outside of the oil tank body (1), a support plate (3) is fixedly connected to the outer wall of one side of the oil tank body (1), and an alarm light (12) is fixedly connected to the upper surface of the support plate (3), and two fifth slide grooves (46) are provided on the upper surface of the oil tank body (1), and the fifth slide grooves (46) A retaining frame (33) is movably connected inside, and second wedge blocks (45) are fixedly connected to both sides of the retaining frame (33). A plurality of sixth slide grooves (47) are provided on the upper surface of the oil tank body (1). A slider (48) is movably connected inside the sixth slide groove (47), and the inclined surface of the slider (48) contacts the inclined surface of the second wedge block (45). A sixth spring (49) is fixedly connected to the bottom of the slider (48), and the sixth spring (49) is fixed to the sixth slide groove (47). A first wedge block (43) is fixedly connected to the upper surface of the retaining frame (33). Fourth slide grooves (44) are provided on both sides of the return frame (27), and the first wedge block (43) is movably connected to the fourth slide groove (44) and contacts the connecting rod (41).

2. The heat dissipation device for power transformer with alarm function according to claim 1, characterized in that: The top of the oil tank body (1) is provided with an annular groove (24), and the annular groove (24) is in communication with the notch, the first slide groove (29), and the second slide groove (31). Two first fixing plates (25) and two second fixing plates (34) are movably connected in the annular groove (24). One side of each of the first fixing plate (25) and the second fixing plate (34) is fixedly connected with a rubber pad (26), and the rubber pad (26) is in contact with the transformer body (2). One side of the first fixing plate (25) is fixedly connected with a plurality of third springs (37), and every two third springs (37) are fixed to a second clamping plate (30). One side of the first fixing plate (25) is fixedly connected with a plurality of second springs (36), and the second springs (36) are fixed to the first clamping plate (28).

3. The heat dissipation device for power transformer with alarm function according to claim 1, characterized in that: Torsion springs (22) are fixedly connected to both sides of the card frame (20), and the torsion springs (22) are fixed to the connecting shaft (23).

4. The power transformer heat dissipation device with alarm function according to claim 1, characterized in that: A temperature sensor (17) is fixedly connected to the top inner wall of the oil tank body (1), and the temperature sensor (17) is electrically connected to the heat exchanger (14).

5. The power transformer heat dissipation device with alarm function according to claim 1, characterized in that: Two connecting plates are fixedly connected to the upper surface of the support plate (3), and the oil barrel (4) is fixed to the connecting plate. Two control valves (11) are fixedly connected to the outer side of the oil barrel (4) and the top of the oil tank body (1), wherein an oil outlet pipe (9) is fixedly connected between the two control valves (11), wherein an oil return pipe (10) is fixedly connected between the two control valves (11), and an oil pump is fixedly connected between the oil return pipes (10).

6. The heat dissipation device for power transformer with alarm function according to claim 5, characterized in that: A filter plate (16) is fixedly connected inside the oil barrel (4), a liquid level sensor (15) is provided inside the oil barrel (4), and the liquid level sensor (15) is electrically connected to an alarm light (12), an oil filling pipe (7) is fixedly connected to the outside of the oil barrel (4), a threaded cover (8) is threadedly connected to the top end of the oil filling pipe (7), and a sealing cover (6) is threadedly connected to one end of the oil barrel (4).

7. The power transformer heat dissipation device with alarm function according to claim 5, characterized in that: Two fixing blocks (5) are fixedly connected to the upper surface of the support plate (3), and the fixing blocks (5) are fixed to the connecting plate.

8. The heat dissipation device for power transformer with alarm function according to claim 2, characterized in that: The top of the transformer body (2) is fixedly connected to a plurality of hanging ears (18), and the bottom of the oil tank body (1) is fixedly connected to a plurality of mounting seats (13).

9. The power transformer heat dissipation device with alarm function according to claim 1, further comprising a plurality of seventh slide grooves (50), wherein the seventh slide grooves (50) are provided on the upper surface of the oil tank body (1), wherein a limit block (51) is movably connected inside the seventh slide groove (50), and the limit block (51) is movably connected to the return frame (27), wherein a slide hole (52) is provided inside the limit block (51), wherein a ball (54) is provided inside the slide hole (52), wherein a seventh spring (53) is fixedly connected to the outer side of the ball (54), and the seventh spring (53) is fixed to the slide hole (52).

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