Flow guide and heat dissipation combined type mutual inductor for high-voltage equipment

Abstract

The invention provides a flow guide and heat dissipation combined type mutual inductor for high-voltage equipment, and relates to the technical field of mutual inductors. The flow guide and heat dissipation combined type mutual inductor of the high-voltage equipment comprises a bottom plate, a mutual inductor body, a first protection frame and a second protection frame, T-shaped limiting blocks are fixedly connected to the front end and the rear end of the upper surface of the bottom plate correspondingly, and positioning holes are formed in the two sides of the upper surface of each T-shaped limiting block correspondingly; the lower ends of the outer walls of the two sides of the mutual inductor body are fixedly connected with connecting plates. According to the high-voltage equipment flow guide and heat dissipation combined type mutual inductor provided by the invention, a first protection frame provided with a first protection pipe, a first half protection pipe and a third half protection pipe and a second protection frame provided with a second half protection pipe, a second protection pipe and a fourth half protection pipe are matched for use; rainwater is conveniently prevented from intruding into a wiring port of the mutual inductor, collision of external foreign matters is prevented, and the service life of the flow guide and heat dissipation combined mutual inductor for the high-voltage equipment is prolonged to a certain extent.

Description

Technical Field

[0001] The invention relates to the technical field of mutual inductors, and in particular to a combined mutual inductor for high-voltage equipment with conduction and heat dissipation. Background Art

[0002] With the continuous development of social economy and the continuous advancement of modern science and technology, the combined transformer of high-voltage equipment is a transformer used in high-voltage complete sets of equipment. It integrates multiple components such as current transformer body, busbar contacts, and current-conducting conductive blocks. This type of transformer eliminates the independence of various components in traditional switchgear and achieves seamless connection.

[0003] However, most of the combined instrument transformers currently available on the market are installed exposed on outdoor power towers, which may cause rainwater to invade the wiring ports and cause short circuits or corrosion of metal parts, thereby reducing the service life of the instrument transformer. There is also the possibility that external foreign objects will collide with the instrument transformer, causing mechanical damage to the instrument transformer. Summary of the invention

[0004] 1. Technical issues to be resolved In view of the deficiencies in the prior art, the present invention provides a high-voltage equipment conduction and heat dissipation combined transformer, which solves the problem that rainwater may invade the wiring ports of the existing combined transformers on the market, causing short circuits or corrosion of metal parts, thereby reducing the service life of the transformer. It also solves the problem that the existing combined transformers on the market may be collided with external foreign objects, causing mechanical damage to the transformer.

[0005] (II) Technical solution To achieve the above objectives, the present invention is implemented through the following technical solutions: a high-voltage equipment flow-conducting and heat-dissipating combined transformer, comprising a base plate, a transformer body, a first protective frame and a second protective frame, the front end and the rear end of the upper surface of the base plate are fixedly connected with a T-shaped limit block, and positioning holes are provided on both sides of the upper surface of the T-shaped limit block, and the lower ends of the outer walls on both sides of the transformer body are fixedly connected with connecting plates, and the connecting plates are fixedly connected to the base plate by bolts, and the upper surfaces of the first and second protective frames are slidably connected to the T-shaped limit blocks, and the front and rear ends of the outer walls of the first and second protective frames on one side away from the center of the base plate are fixedly connected with positioning blocks, and the lower surfaces of the positioning blocks are slidably connected to the T-shaped limit blocks, and the interiors of the positioning blocks are provided with installation cavities, and the interiors of the installation cavities are slidably connected with pins, and the lower ends of the pins pass through the installation cavities to the outside of the positioning blocks and are connected with the positioning holes by snapping; The lower ends of the outer walls of the pin rods are fixedly connected with annular plates, and the annular plates slide inside the mounting cavities respectively; the middle parts of the upper surfaces of the annular plates are fixedly connected with return springs, and the upper ends of the return springs are fixedly connected with the top surface inside the mounting cavity; the middle part of the front end outer wall of the No. 1 protection frame is fixedly connected with a No. 3.5 protection tube, and the middle part of the front end outer wall of the No. 2 protection frame is fixedly connected with a No. 4.5 protection tube; the side of the upper surface of the No. 1 protection frame away from the center of the bottom plate is connected with the No. 1 protection tube, and the side of the upper surface of the No. 2 protection frame away from the center of the bottom plate is connected with the No. 2 protection tube; the side of the upper surface of the No. 1 protection frame close to the center of the bottom plate is connected with the No. 1.5 protection tube, and the side of the upper surface of the No. 2 protection frame close to the center of the bottom plate is connected with the No. 2.5 protection tube; Through the above technical scheme, the No. 1 protective frame and the No. 2 protective frame are used to prevent external ultraviolet rays from irradiating, and the shell material of the transformer body is prevented from aging. The No. 1 heat dissipation fin and the No. 2 heat dissipation fin absorb the heat around the transformer body, and the heat is transferred to the No. 1 protective frame and the No. 2 protective frame and a ventilation hole plate is set at the upper end of the bottom plate to accelerate the dissipation of heat, thereby reducing the heat of the transformer body.

[0006] Preferably, mounting holes are provided at four corners of the upper surface of the bottom plate, ventilation holes are fixedly connected to both sides of the upper surface of the bottom plate, fixing holes are provided at the front end and the rear end of the upper surface of the connecting plate, and the fixing holes are fixedly connected to the bottom plate by bolts; Through the above technical scheme, the heat inside the No. 1 protection frame and the No. 2 protection frame can be easily discharged with the help of the ventilation hole plate, thereby preventing the transformer body from overheating, thereby extending the service life of the transformer body, and the connecting plate makes it convenient for workers to install and remove the transformer body, and the base plate can be conveniently installed on the angle iron of the tower with the help of fastening bolts through the installation holes.

[0007] Preferably, the upper ends of the pins respectively penetrate the installation cavity to the outside of the positioning block and are fixedly connected to the limiting plate, and the middle part of the upper surface of the limiting plate is fixedly connected to a pull ring; Through the above technical solution, the staff can move the pin conveniently through the pull ring to disengage the pin from the positioning hole, thereby releasing the connection between the positioning block and the T-shaped limit block, thereby facilitating the staff to pull apart the No. 1 protection frame and the No. 2 protection frame to complete the inspection, maintenance and installation of the transformer body.

[0008] Preferably, a plurality of No. 5 water leakage holes are opened in the middle of the inner bottom surface of the No. 3 and a half protective pipe, and a plurality of No. 6 water leakage holes are opened in the middle of the inner bottom surface of the No. 4 and a half protective pipe; Through the above technical scheme, by using the No. 5 leakage hole and the No. 6 leakage hole in coordination, it is convenient to discharge the water entering the No. 3.5 protection pipe and the No. 4.5 protection pipe, thereby preventing rainwater from entering the interior of the No. 1 protection frame and the No. 2 protection frame and contacting the transformer body.

[0009] Preferably, the outer wall of the No. 3 and a half protective tube on one side close to the center of the bottom plate is fixedly connected with a No. 3 sealing strip, and the outer wall of the No. 4 and a half protective tube on one side close to the center of the bottom plate is provided with a No. 3 sealing groove, and the No. 3 sealing strip is connected with the No. 3 sealing groove by clamping; Through the above technical solution, by using the No. 3 sealing strip in conjunction with the No. 3 sealing groove, the sealing performance of the connection between the No. 3.5 protective pipe and the No. 4.5 protective pipe can be easily improved, thereby preventing rainwater from entering the interior of the No. 3.5 protective pipe and the No. 4.5 protective pipe.

[0010] Through the above technical solution, the front end of the inner wall of the No. 1 protection tube is provided with a plurality of No. 1 water leakage holes, the front end of the inner wall of the No. 2 protection tube is provided with a plurality of No. 3 water leakage holes, the front end of the inner wall of the No. 1 and a half protection tube is provided with a plurality of No. 2 water leakage holes, and the front end of the inner wall of the No. 2 and a half protection tube is provided with a plurality of No. 4 water leakage holes; Preferably, rainwater entering the interior of the No. 1 protective tube can be conveniently discharged through the No. 1 leaking hole, rainwater entering the interior of the No. 2 protective tube can be conveniently discharged through the No. 3 leaking hole, and rainwater entering the No. 1.5 protective tube and the No. 2.5 protective tube can be conveniently discharged through the No. 2 leaking hole and the No. 4 leaking hole.

[0011] Preferably, the outer wall of the first half protective tube on one side close to the center of the bottom plate is fixedly connected with a second sealing strip, the outer wall of the second half protective tube on one side close to the center of the bottom plate is provided with a second sealing groove, and the second sealing strip is connected with the second sealing groove by clamping; Through the above technical scheme, by using the No. 2 sealing strip and the No. 2 sealing groove in combination, the sealing performance of the connection between the No. 1.5 protective pipe and the No. 2.5 protective pipe can be easily improved, thereby preventing rainwater from entering the interior of the No. 1.5 protective pipe and the No. 2.5 protective pipe.

[0012] Preferably, the outer wall of the No. 1 protection frame on one side close to the center of the bottom plate is fixedly connected with a No. 1 sealing strip, and the outer wall of the No. 2 protection frame on one side close to the center of the bottom plate is provided with a No. 1 sealing groove, and the No. 1 sealing strip is connected with the No. 1 sealing groove by snapping; Through the above technical solution, by using the No. 1 sealing strip and the No. 1 sealing groove in combination, the sealing performance of the connection between the No. 1 protective frame and the No. 2 protective frame can be easily improved, thereby preventing rainwater from entering the interior of the No. 1 protective frame and the No. 2 protective frame.

[0013] Preferably, the inner wall of the first protective frame at one side away from the center of the bottom plate is fixedly connected to the first heat dissipation fin, and the inner wall of the second protective frame at one side away from the center of the bottom plate is fixedly connected to the second heat dissipation fin; Through the above technical solution, the heat around the transformer body is absorbed by the first and second heat sink fins, and the heat is transferred to the first and second protective frames, thereby improving heat dissipation and reducing the heat of the transformer body.

[0014] (III) Beneficial effects The present invention provides a combined current-conducting and heat-dissipating transformer for high-voltage equipment. It has the following beneficial effects: 1. The present invention provides a combined current-conducting and heat-dissipating transformer for high-voltage equipment. By using a No. 1 protective frame provided with a No. 1 protective tube, a No. 1.5 protective tube and a No. 3.5 protective tube, and a No. 2 protective frame provided with a No. 2.5 protective tube, a No. 2 protective tube and a No. 4.5 protective tube, it is convenient to prevent rainwater from intruding into the wiring port of the transformer and to prevent collision with external foreign objects, thereby improving the service life of the combined current-conducting and heat-dissipating transformer for high-voltage equipment to a certain extent.

[0015] 2. The present invention provides a combined current-conducting and heat-dissipating transformer for high-voltage equipment, which prevents external ultraviolet rays from irradiating and aging of the outer shell material of the transformer body through a No. 1 protective frame and a No. 2 protective frame, and absorbs heat around the transformer body through a No. 1 heat dissipation fin and a No. 2 heat dissipation fin, and accelerates heat dissipation by conducting the heat to the No. 1 protective frame and the No. 2 protective frame and arranging a ventilation hole plate at the upper end of the bottom plate, thereby reducing the heat of the transformer body.

[0016] 3. The present invention provides a combined current-conducting and heat-dissipating transformer for high-voltage equipment. By using a positioning block provided with a reset spring, a pin and a pull ring, and a T-shaped limit block provided with a positioning hole, it is convenient for the staff to slide the No. 1 protection frame and the No. 2 protection frame to the outside of the T-shaped limit block, thereby facilitating the inspection, maintenance and replacement of the transformer body. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the main structure of the present invention from a first viewing angle; Figure 2 is a schematic diagram of the main structure of the present invention from a second viewing angle; Figure 3 It is a schematic diagram of the partial cross-sectional structure of the present invention; Figure 4 A schematic diagram of the structure of the first protection frame and the second protection frame unfolded from a first viewing angle of the present invention; Figure 5 A schematic diagram of the structure of the first protection frame and the second protection frame unfolded at a second viewing angle of the present invention; Figure 6 It is a schematic diagram of the local structure of the present invention; Figure 7 for Figure 3 The enlarged view of point A in the middle; Figure 8 for Figure 4 The enlarged view of point B in the middle; Fig. 9 for Figure 5 Enlarged view of point C in the middle.

[0018] Among them, 1. bottom plate; 2. installation hole; 3. ventilation hole plate; 4. transformer body; 5. connection plate; 6. fixing hole; 7. T-type limit block; 8. positioning hole; 9. No. 1 protection frame; 10. No. 2 protection frame; 11. positioning block; 12. installation cavity; 13. pin; 14. annular plate; 15. limit plate; 16. pull ring; 17. reset spring; 18. No. 1 sealing strip; 19. No. 1 protection tube; 20. No. 1 water leakage hole; 21. No. 1 semi-circular plate; 22. No. 1 protective tube; 23. No. 1 protective tube; 24. No. 1 protective tube; 25. No. 1 protective tube; 26. No. 1 protective tube; 27. No. 1 protective tube; 28. No. 1 protective tube; 29. ​​No. 1 protective tube; 30. No. 1 protective tube; 31. No. 1 protective tube; 32. No. 1 protective tube; 33. No. 1 protective tube; 34. No. 1 protective tube; 35. No. 1 protective tube; 36. No. 1 protective tube; 37. No. 1 protective tube; 38. No. 1 protective tube; 39. No. 1 protective tube; 40. No. 1 protective tube; 41. No. 1 protective tube; 42. No. 1 protective tube; 43. No. 1 protective tube; 44. No. 1 protective tube; 45. No. 1 protective tube; 46. No. 1 protective tube; 47. No. 1 protective tube; 48. No. 1 protective tube; 49. No. 1 protective tube; 50. No. 1 protective tube; 51. No. 1 protective tube; 52. No. Protective tube; 22. Leakage hole No. 2; 23. Sealing strip No. 2; 24. Radiator fin No. 1; 25. Sealing groove No. 1; 26. Protective tube No. 2; 27. Leakage hole No. 3; 28. Protective tube No. 2 and a half; 29. ​​Leakage hole No. 4; 30. Sealing groove No. 2; 31. Radiator fin No. 2; 32. Protective tube No. 3 and a half; 33. Leakage hole No. 5; 34. Protective tube No. 4 and a half; 35. Leakage hole No. 6; 36. Sealing strip No. 3; 37. Sealing groove No. 3. DETAILED DESCRIPTION

[0019] 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.

[0020] like Figure 1-9As shown, the embodiment of the present invention provides a combined current-conducting and heat-dissipating transformer for high-voltage equipment, including a base plate 1, a transformer body 4, a first protective frame 9 and a second protective frame 10, the front end and the rear end of the upper surface of the base plate 1 are fixedly connected with a T-shaped limit block 7, and both sides of the upper surface of the T-shaped limit block 7 are provided with positioning holes 8, the lower ends of the outer walls on both sides of the transformer body 4 are fixedly connected with connecting plates 5, and the connecting plates 5 are fixedly connected to the base plate 1 through bolts, the upper surfaces of the first protective frame 9 and the second protective frame 10 are slidably connected with the T-shaped limit block 7, the front end and the rear end of the outer wall of the first protective frame 9 and the second protective frame 10 away from the center of the base plate 1 are fixedly connected with a positioning block 11, the lower surface of the positioning block 11 is slidably connected with the T-shaped limit block 7, the interior of the positioning block 11 is provided with an installation cavity 12, the interior of the installation cavity 12 is slidably connected with a pin 13, and the lower end of the pin 13 passes through the installation cavity 12 to the outside of the positioning block 11 and is connected with the positioning hole 8 by clamping; The lower ends of the outer walls of the rod bodies of the pins 13 are fixedly connected with annular plates 14, which slide inside the mounting cavity 12 respectively, and the middle parts of the upper surfaces of the annular plates 14 are fixedly connected with reset springs 17, and the upper ends of the reset springs 17 are fixedly connected with the top surface inside the mounting cavity 12, and the middle parts of the front end outer walls of the No. 1 protection frame 9 are fixedly connected with a No. 3.5 protection tube 32, and the middle parts of the front end outer walls of the No. 2 protection frame 10 are fixedly connected with a No. 4.5 protection tube 34, and the side of the upper surface of the No. 1 protection frame 9 away from the center of the bottom plate 1 is connected with the No. 1 protection tube 19, and the side of the upper surface of the No. 2 protection frame 10 away from the center of the bottom plate 1 is connected with the No. 2 protection tube 26, and the side of the upper surface of the No. 1 protection frame 9 close to the center of the bottom plate 1 is connected with the No. 1.5 protection tube 21, and the side of the upper surface of the No. 2 protection frame 10 close to the center of the bottom plate 1 is connected with the No. 2.5 protection tube 28; By using a positioning block 11 provided with a reset spring 17, a pin 13 and a pull ring 16, and a T-shaped limit block 7 provided with a positioning hole 8, it is convenient for the staff to slide the No. 1 protection frame 9 and the No. 2 protection frame 10 to the outside of the T-shaped limit block 7, thereby facilitating the inspection, maintenance and replacement of the transformer body 4.

[0021] The four corners of the upper surface of the bottom plate 1 are provided with mounting holes 2, both sides of the upper surface of the bottom plate 1 are fixedly connected with ventilation hole plates 3, the front end and the rear end of the upper surface of the connecting plate 5 are provided with fixing holes 6, and the fixing holes 6 are fixedly connected to the bottom plate 1 by bolts; With the help of the ventilation hole plate 3, the heat inside the No. 1 protection frame 9 and the No. 2 protection frame 10 can be easily discharged, thereby preventing the transformer body 4 from overheating, thereby extending the service life of the transformer body 4, and the connecting plate 5 makes it convenient for workers to install and remove the transformer body 4, and the base plate 1 can be conveniently installed on the angle iron of the tower through the installation hole 2 with the help of fastening bolts.

[0022] The upper ends of the pins 13 respectively penetrate the installation cavity 12 to the outside of the positioning block 11 and are fixedly connected to the limiting plate 15, and the middle part of the upper surface of the limiting plate 15 is fixedly connected to a pull ring 16; The pull ring 16 facilitates the staff to move the pin 13 so that the pin 13 is disengaged from the positioning hole 8, thereby releasing the connection between the positioning block 11 and the T-shaped limit block 7, thereby facilitating the staff to pull apart the No. 1 protection frame 9 and the No. 2 protection frame 10 to complete the inspection, maintenance and installation of the transformer body 4.

[0023] A plurality of No. 5 water leakage holes 33 are opened in the middle of the inner bottom surface of the No. 3 and a half protection pipe 32, and a plurality of No. 6 water leakage holes 35 are opened in the middle of the inner bottom surface of the No. 4 and a half protection pipe 34; By using the No. 5 leakage hole 33 and the No. 6 leakage hole 35 in coordination, it is convenient to discharge the water entering the No. 3.5 protection pipe 32 and the No. 4.5 protection pipe 34, thereby preventing rainwater from entering the interior of the No. 1 protection frame 9 and the No. 2 protection frame 10 and contacting the transformer body 4.

[0024] The outer wall of the third half protection tube 32 near the center of the bottom plate 1 is fixedly connected with a third sealing strip 36, and the outer wall of the fourth half protection tube 34 near the center of the bottom plate 1 is provided with a third sealing groove 37, and the third sealing strip 36 is connected with the third sealing groove 37 by clamping; By using the No. 3 sealing strip 36 and the No. 3 sealing groove 37 in conjunction with each other, the sealing performance of the connection between the No. 3.5 protective tube 32 and the No. 4.5 protective tube 34 can be improved, thereby preventing rainwater from entering the interior of the No. 3.5 protective tube 32 and the No. 4.5 protective tube 34.

[0025] The front end of the inner wall of the No. 1 protection tube 19 is provided with a plurality of No. 1 water leakage holes 20, the front end of the inner wall of the No. 2 protection tube 26 is provided with a plurality of No. 3 water leakage holes 27, the front end of the inner wall of the No. 1 and a half protection tube 21 is provided with a plurality of No. 2 water leakage holes 22, and the front end of the inner wall of the No. 2 and a half protection tube 28 is provided with a plurality of No. 4 water leakage holes 29; The rainwater entering the interior of the No. 1 protective pipe 19 can be conveniently discharged through the No. 1 leakage hole 20, the rainwater entering the interior of the No. 2 protective pipe 26 can be conveniently discharged through the No. 3 leakage hole 27, and the rainwater entering the No. 1.5 protective pipe 21 and the No. 2.5 protective pipe 28 can be conveniently discharged through the No. 2 leakage hole 22 and the No. 4 leakage hole 29.

[0026] The outer wall of the first half protection tube 21 near the center of the bottom plate 1 is fixedly connected with the second sealing strip 23, and the outer wall of the second half protection tube 28 near the center of the bottom plate 1 is provided with the second sealing groove 30, and the second sealing strip 23 is connected with the second sealing groove 30 by clamping; By using the No. 2 sealing strip 23 in conjunction with the No. 2 sealing groove 30 , the sealing performance of the connection between the No. 1.5 protective tube 21 and the No. 2.5 protective tube 28 can be improved, thereby preventing rainwater from entering the interior of the No. 1.5 protective tube 21 and the No. 2.5 protective tube 28 .

[0027] The outer wall of the No. 1 protection frame 9, which is close to the center of the bottom plate 1, is fixedly connected with a No. 1 sealing strip 18. The outer wall of the No. 2 protection frame 10, which is close to the center of the bottom plate 1, is provided with a No. 1 sealing groove 25. The No. 1 sealing strip 18 is connected with the No. 1 sealing groove 25 by snapping. By using the No. 1 sealing strip 18 in conjunction with the No. 1 sealing groove 25 , the sealing performance of the connection between the No. 1 protection frame 9 and the No. 2 protection frame 10 can be improved, thereby preventing rainwater from entering the interior of the No. 1 protection frame 9 and the No. 2 protection frame 10 .

[0028] A first heat dissipation fin 24 is fixedly connected to the inner wall of the first protection frame 9 at one side away from the center of the bottom plate 1, and a second heat dissipation fin 31 is fixedly connected to the inner wall of the second protection frame 10 at one side away from the center of the bottom plate 1; The heat around the transformer body 4 is absorbed by the first heat dissipation fin 24 and the second heat dissipation fin 31 , and the heat is transferred to the first protection frame 9 and the second protection frame 10 , thereby improving the heat dissipation and reducing the heat of the transformer body 4 .

[0029] Working principle: When using the combined current-conducting and heat-dissipating transformer of high-voltage equipment, firstly, the connecting plate 5 is used to facilitate the installation and removal of the transformer body 4 by the staff, and the base plate 1 is conveniently installed on the angle iron of the electric tower through the mounting hole 2 with the help of fastening bolts. Secondly, the connection with the external wires is established through the wiring port on the transformer body 4, and the wires are connected from the corresponding No. 1 protective tube 19, the combined No. 1 and a half protective tube 21 and No. 2 and a half protective tube 28, the combined No. 3 and a half protective tube 32 and No. 4 and a half protective tube 34, and the No. 2 protective tube 26 passes inside, and then, pushes the No. 1 protection frame 9 and the No. 2 protection frame 10, and makes the two engage, so that the positioning hole 8 is engaged by the pin 13, and the No. 1 protection frame 9 and the No. 2 protection frame 10 are fixed to the outside of the T-shaped limit block 7. Finally, the pull ring 16 is used to facilitate the staff to move the pin 13, so that the pin 13 is disengaged from the positioning hole 8, and then the connection between the positioning block 11 and the T-shaped limit block 7 is released, so that the staff can pull the No. 1 protection frame 9 and the No. 2 protection frame 10 apart, and complete the inspection, maintenance and installation of the transformer body 4.

[0030] 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 combined current-conducting and heat-dissipating transformer for high-voltage equipment, comprising a base plate (1), a transformer body (4), a first protective frame (9) and a second protective frame (10), characterized in that: The front end and the rear end of the upper surface of the bottom plate (1) are fixedly connected to T-shaped limit blocks (7), and positioning holes (8) are provided on both sides of the upper surface of the T-shaped limit blocks (7). The lower ends of the outer walls on both sides of the transformer body (4) are fixedly connected to connecting plates (5), and the connecting plates (5) are fixedly connected to the bottom plate (1) by bolts. The upper surfaces of the first protection frame (9) and the second protection frame (10) are slidably connected to the T-shaped limit blocks (7), and the first protection frame (9) and the second protection frame (10) are slidably connected to the T-shaped limit blocks (7). The front end and the rear end of the outer wall of one side of the protective frame (10) away from the center of the bottom plate (1) are fixedly connected with a positioning block (11), the lower surface of the positioning block (11) is slidably connected with the T-shaped limit block (7), the interior of the positioning block (11) is provided with a mounting cavity (12), the interior of the mounting cavity (12) is slidably connected with a pin (13), the lower end of the pin (13) passes through the mounting cavity (12) to the outside of the positioning block (11) and is clamped and connected with the positioning hole (8); The lower ends of the outer walls of the rod bodies of the pins (13) are fixedly connected to annular plates (14), and the annular plates (14) slide inside the mounting chamber (12) respectively. The middle parts of the upper surfaces of the annular plates (14) are fixedly connected to reset springs (17), and the upper ends of the reset springs (17) are fixedly connected to the top surface inside the mounting chamber (12). The middle parts of the front end outer walls of the No. 1 protection frame (9) are fixedly connected to a No. 3.5 protection tube (32), and the middle parts of the front end outer walls of the No. 2 protection frame (10) are fixedly connected to a No. 4.5 protection tube (32). A protective tube (34), wherein the side of the upper surface of the No. 1 protective frame (9) away from the center of the bottom plate (1) is connected through a No. 1 protective tube (19), the side of the upper surface of the No. 2 protective frame (10) away from the center of the bottom plate (1) is connected through a No. 2 protective tube (26), the side of the upper surface of the No. 1 protective frame (9) close to the center of the bottom plate (1) is connected through a No. 1.5 protective tube (21), and the side of the upper surface of the No. 2 protective frame (10) close to the center of the bottom plate (1) is connected through a No. 2.5 protective tube (28).

2. A combined current-conducting and heat-dissipating transformer for high-voltage equipment according to claim 1, characterized in that: The four corners of the upper surface of the base plate (1) are provided with mounting holes (2), both sides of the upper surface of the base plate (1) are fixedly connected with ventilation hole plates (3), the front end and the rear end of the upper surface of the connecting plate (5) are provided with fixing holes (6), and the fixing holes (6) are fixedly connected to the base plate (1) by bolts.

3. A combined current-conducting and heat-dissipating transformer for high-voltage equipment according to claim 1, characterized in that: The upper ends of the pins (13) respectively penetrate the installation cavity (12) to the outside of the positioning block (11) and are fixedly connected to the limiting plate (15), and the middle part of the upper surface of the limiting plate (15) is fixedly connected to a pull ring (16).

4. A combined current-conducting and heat-dissipating transformer for high-voltage equipment according to claim 1, characterized in that: A plurality of No. 5 water leakage holes (33) are opened in the middle of the inner bottom surface of the No. 3 and a half protective tube (32), and a plurality of No. 6 water leakage holes (35) are opened in the middle of the inner bottom surface of the No. 4 and a half protective tube (34).

5. A combined current-conducting and heat-dissipating transformer for high-voltage equipment according to claim 1, characterized in that: The outer wall of the No. 3 and a half protective tube (32) on one side close to the center of the bottom plate (1) is fixedly connected with a No. 3 sealing strip (36), and the outer wall of the No. 4 and a half protective tube (34) on one side close to the center of the bottom plate (1) is provided with a No. 3 sealing groove (37), and the No. 3 sealing strip (36) is connected to the No. 3 sealing groove (37) by snapping.

6. A combined current-conducting and heat-dissipating transformer for high-voltage equipment according to claim 1, characterized in that: The front end of the inner wall of the No. 1 protection tube (19) is provided with a plurality of No. 1 water leakage holes (20), the front end of the inner wall of the No. 2 protection tube (26) is provided with a plurality of No. 3 water leakage holes (27), the front end of the inner wall of the No. 1 and a half protection tube (21) is provided with a plurality of No. 2 water leakage holes (22), and the front end of the inner wall of the No. 2 and a half protection tube (28) is provided with a plurality of No. 4 water leakage holes (29).

7. A combined current-conducting and heat-dissipating transformer for high-voltage equipment according to claim 1, characterized in that: The outer wall of the first half protective tube (21) on one side close to the center of the bottom plate (1) is fixedly connected with a second sealing strip (23), and the outer wall of the second half protective tube (28) on one side close to the center of the bottom plate (1) is provided with a second sealing groove (30), and the second sealing strip (23) is connected to the second sealing groove (30) by snapping.

8. A combined current-conducting and heat-dissipating transformer for high-voltage equipment according to claim 1, characterized in that: The outer wall of the No. 1 protection frame (9) and one side close to the center of the bottom plate (1) is fixedly connected to a No. 1 sealing strip (18); the outer wall of the No. 2 protection frame (10) and one side close to the center of the bottom plate (1) is provided with a No. 1 sealing groove (25); the No. 1 sealing strip (18) is snap-connected to the No. 1 sealing groove (25).

9. A combined current-conducting and heat-dissipating transformer for high-voltage equipment according to claim 1, characterized in that: The inner wall of the first protective frame (9) at a side away from the center of the bottom plate (1) is fixedly connected to the first heat dissipation fin (24), and the inner wall of the second protective frame (10) at a side away from the center of the bottom plate (1) is fixedly connected to the second heat dissipation fin (31).

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