Oil-immersed power transformer with protective structure

Abstract

The application relates to the technical field of power transformers, and discloses an oil-immersed power transformer with a protection structure, which comprises a protection base, the inner surface of the protection base is fixedly connected with a damper, the top end of the damper is fixedly connected with a mounting frame, the inside of the mounting frame is provided with a transformer body, and the upper surface of the protection base is fixedly connected with first sliding rails. In the application, when the transformer body is offset or vibrates, the damper can reduce the activity range of the transformer body and the mounting frame, so that the transformer body runs more stably, the safety of the transformer body is improved, the trapezoidal insert block is inserted into the positioning groove to clamp the trapezoidal clamping block and the mounting angle plate, so that the transformer body is more stably mounted on the mounting frame, after the trapezoidal clamping block is separated from the trapezoidal insert block locking, the transformer body and the mounting angle plate can be quickly dismounted from the mounting frame, and the use convenience of the device is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of power transformers, in particular to an oil-immersed power transformer with a protection structure. BACKGROUND

[0002] The oil-immersed power transformer refers to a transformer whose winding uses insulating oil as the insulating medium. The distribution transformer is one of the important equipment in the power supply and distribution system of industrial and mining enterprises and civil buildings. The oil-immersed power transformer needs to operate in a stable environment to ensure the safe use of insulating oil. In the existing device, it is difficult to protect the oil-immersed power transformer while enabling the transformer to be quickly installed and disassembled, thereby making it inconvenient to maintain and detect the transformer, making it difficult to find structural damage to the transformer, and reducing the service life of the transformer.

[0003] The patent with publication number CN222071670U discloses an oil-immersed power transformer with a protection structure. The patent includes a power transformer body, a protective cover, and a protective tray. The protective tray is slidingly connected inside the protective cover. The protective tray is provided with an installation plate and a buffer protection plate. The installation plate and the buffer protection plate are connected by a connecting strut. During use, the power transformer body can be stably installed and protected to prevent damage from accidental impact during use. It is also convenient for heat dissipation. The vibration pressure generated by the impact can be well buffered to prevent the power transformer body from malfunctioning due to vibration. When needed, the power transformer body can be easily lifted, thereby effectively improving the use efficiency and protection of the oil-immersed power transformer with protection. Although this patent solves the above problems, it still has the problem of inconvenient maintenance and low use convenience due to the difficulty in quickly installing and disassembling the transformer. Therefore, an oil-immersed power transformer with a protection structure is proposed to solve the above problems. SUMMARY

[0004] The technical problem to be solved by the present application is to provide an oil-immersed power transformer with a protection structure to solve the above problems.

[0005] To solve the above technical problems, the technical scheme adopted by the present application is: an oil-immersed power transformer with a protection structure, comprising a protection base, the inner surface of the protection base is fixedly connected with a damper, the top end of the damper is fixedly connected with a mounting frame, the inside of the mounting frame is provided with a transformer body, the upper surface of the protection base is fixedly connected with a first sliding rail, the lower surface of the transformer body is fixedly connected with a mounting angle plate through a screw, the side surface of the mounting angle plate is fixedly connected with a trapezoidal clamping block, the inner side of the trapezoidal clamping block is provided with a positioning groove, the inner surface of the mounting frame is fixedly connected with a fixed block, the inner surface of the fixed block is fixedly connected with an elastic expansion rod one, the end of the elastic expansion rod one close to the trapezoidal clamping block is fixedly connected with a trapezoidal plug-in block, the side surface of the trapezoidal plug-in block is fixedly connected with an L-shaped pushing rod, the lower surface of the mounting frame is fixedly connected with a triangular pressing plate, the upper surface of the protection base is provided with an insulating oil moisture-proof device for dehumidifying the surrounding of the transformer body, preventing the insulating oil in the transformer body from being damp and deteriorated, thereby affecting the insulation effect, the upper surface of the protection base is provided with a surface protection device for protecting the surface of the transformer body, preventing the transformer body from being damaged by impact and even affecting the stability of the insulating oil, the inner surfaces of the mounting frame and the first sliding rail are slidingly connected, the inner surfaces of the trapezoidal plug-in block and the fixed block are slidingly connected, and the inner surface of the L-shaped pushing rod and the fixed block are slidingly connected, the transformer body is placed into the mounting frame, the transformer body and the mounting frame are pushed downward, so that the mounting frame is clamped into the protection base, when the transformer body is offset or vibrates, the damper can reduce the activity amplitude of the transformer body and the mounting frame, when the transformer body is placed into the mounting frame, the transformer body drives the mounting angle plate to descend, the mounting angle plate drives the trapezoidal clamping block to descend, when the trapezoidal clamping block descends, the inclined surface contacts the inclined surface of the trapezoidal plug-in block, and the trapezoidal clamping block pushes the trapezoidal plug-in block into the fixed block and extrudes the elastic expansion rod one through the guidance of the inclined surface, the trapezoidal clamping block continues to move downward so that the positioning groove is aligned with the trapezoidal plug-in block, at this time, the elastic reset action of the elastic expansion rod one pushes the trapezoidal plug-in block to pop out from the fixed block and inserts into the positioning groove to clamp the trapezoidal clamping block and the mounting angle plate, when the transformer body needs to be disassembled, the L-shaped pushing rod is pushed, the L-shaped pushing rod drives the trapezoidal plug-in block to retract into the fixed block again, so that the trapezoidal clamping block is unlocked from the trapezoidal plug-in block, thereby the transformer body and the mounting angle plate can be disassembled from the mounting frame.

[0006] Preferably, the insulating oil moisture-proof device comprises a receiving shell, a dehumidification plate, and a through slot, the receiving shell is fixedly connected to the rear inner wall of the protection base, the dehumidification plate is slidably connected to the inner surface of the receiving shell, and the through slot is arranged on the front side of the receiving shell, the insulating oil moisture-proof device further comprises a first sliding block, a triangular sliding plate, a guide rail, a connecting block, a second elastic telescopic rod, a second sliding block, and a resisting shaft, the first sliding block is fixedly connected to the front side of the dehumidification plate, the triangular sliding plate is fixedly connected to the front side of the first sliding block, the guide rail is fixedly connected to the bottom surface of the inner wall of the protection base, the connecting block is fixedly connected to the bottom surface of the receiving shell, the second elastic telescopic rod is fixedly connected to the two sides of the connecting block, the second sliding block is fixedly connected to the end of the second elastic telescopic rod away from the first sliding block, and the resisting shaft is arranged on the two sides of the dehumidification plate, the first sliding block and the inner surface of the through slot are slidably connected, the dehumidification plate is internally provided with silica gel dehumidifier, the triangular sliding plate and the guide rail are slidably connected, the connecting block and the rear inner wall of the protection base are fixedly connected, and the triangular sliding plate and the second sliding block are fixedly connected to the front side, during use of the transformer body, the dehumidification plate absorbs the moisture around the transformer body through the silica gel dehumidifier in the dehumidification plate, when the mounting frame is lowered, the triangular pressing plate is lowered, the inclined surface of the triangular pressing plate is in contact with the inclined surface of the triangular sliding plate, the inclined surface guides the triangular sliding plate to slide on the guide rail and move close to the side of the protection base, the triangular sliding plate drives the first sliding block to slide in the through slot and move close to the side of the protection base, the first sliding block drives the dehumidification plate to extend out of the receiving shell and prevent moisture from entering the transformer body, when the triangular pressing plate is raised, the triangular sliding plate loses the resistance, at this time, the elastic reset action of the second elastic telescopic rod drives the second sliding block to move close to the connecting block, the second sliding block drives the triangular sliding plate to move close to each other, and the triangular sliding plate drives the dehumidification plate to move close to each other through the first sliding block and enter the receiving shell.

[0007] Preferably, the surface protection device comprises a protective outer frame, a ventilation slot, a second sliding rail, a third sliding block, the second sliding rail is fixedly connected to the inner surface of the protection base, the third sliding block is slidably connected to the inner surface of the second sliding rail, the protective outer frame is fixedly connected to the side of the third sliding block away from the second sliding rail, the ventilation slot is arranged on the two sides of the protective outer frame, the surface protection device further comprises a protective top plate, a threaded sleeve shaft, a sliding rod, a resisting inclined plate and an L-shaped transmission plate, the protective top plate is hingedly connected to the two sides of the top end of the protective outer frame, the threaded sleeve shaft is threadedly connected to the inner surface of the two sides of the protective outer frame, the sliding rod is slidably connected to the inner surface of the threaded sleeve shaft, the resisting inclined plate is fixedly connected to the end of the sliding rod away from the dehumidification plate, the L-shaped transmission plate is fixedly connected to the side of the protective top plate away from the storage shell, the resisting shaft and the end of the sliding rod close to the dehumidification plate are fixedly connected, the resisting shaft and the threaded sleeve shaft are provided with a spring, the inclined surface of the resisting inclined plate and the lower surface of the L-shaped transmission plate are in contact with each other, and the hinge between the protective top plate and the protective outer frame is provided with a torsional spring.

[0008] The technical scheme adopted by the present application can bring the following beneficial effects:

[0009] 1. When the transformer body generates deviation or vibration, the damper can reduce the activity range of the transformer body and the mounting frame, thereby making the transformer body run more stably and improving the safety of the transformer body in use, the trapezoidal insert block is inserted into the positioning groove to lock the trapezoidal clamping block and the mounting angle plate, thereby making the transformer body more stably mounted on the mounting frame, and after the trapezoidal clamping block is separated from the trapezoidal insert block, the transformer body and the mounting angle plate can be quickly disassembled from the mounting frame, thereby improving the use convenience of the device.

[0010] 2、The oil-immersed power transformer with the protection structure, the dehumidification plate absorbs the moisture around the transformer body through the silica gel dehumidifier inside, prevents the moisture from penetrating into the transformer body to cause the deterioration of the insulating oil in the transformer body and affect the insulation effect, improves the insulation and safety of the device, the first sliding block drives the dehumidification plates to approach each other and enter the storage shell, prevents the silica gel dehumidifier in the dehumidification plate from being in contact with air to cause the dehumidification effect to be reduced when the transformer body is not used.

[0011] 3、The oil-immersed power transformer with the protection structure, the protection frame protects the surface of the transformer body, prevents the transformer body from being damaged by impact and even affects the stability of the insulating oil, the heat emitted by the transformer body flows out from the ventilation slot, avoids the heat dissipation effect of the transformer body from being affected, improves the use safety, the protection top plate rotates and closes the top of the protection frame, improves the protection effect, the protection frame is slid downward in the second sliding rail through the third sliding block, so that the transformer body is exposed, facilitates the maintenance of the staff, and improves the use convenience. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a schematic diagram of the three-dimensional overall structure of the present application;

[0013] Figure 2 It is a schematic diagram of the front side cross-sectional three-dimensional structure of the present application;

[0014] Figure 3 It is a schematic diagram of the front side cross-sectional three-dimensional structure of the installation frame of the present application;

[0015] Figure 4 It is a schematic diagram of the enlarged structure of A in the present application; Figure 3

[0016] Figure 5 It is a schematic diagram of the front side cross-sectional three-dimensional structure of the insulating oil moisture-proof device of the present application;

[0017] Figure 6 It is a schematic diagram of the enlarged structure of B in the present application; Figure 5

[0018] Figure 7 It is a schematic diagram of the front side cross-sectional three-dimensional structure of the surface protection device of the present application;

[0019] Figure 8 It is a schematic diagram of the enlarged structure of C in the present application. Figure 7

[0020] ​​​In the figure: 1, protective base; 2, mounting frame; 3, transformer body; 31, first sliding rail; 32, damper; 33, mounting angle plate; 34, trapezoidal clamping block; 35, positioning groove; 36, fixed block; 37, elastic telescopic rod I; 38, trapezoidal insertion block; 39, L-shaped push rod; 310, triangular pressing plate; 4, insulation oil moisture-proof device; 41, storage shell; 42, dehumidification plate; 43, through groove; 44, first sliding block; 45, triangular sliding plate; 46, guide rail; 47, connecting block; 48, elastic telescopic rod II; 49, second sliding block; 410, abutting shaft; 5, surface protection device; 51, protective outer frame; 52, ventilation groove; 53, second sliding rail; 54, third sliding block; 55, protective top plate; 56, threaded sleeve shaft; 57, sliding rod; 58, abutting inclined plate; 59, L-shaped transmission plate. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0022] Please refer to Figures 1-8One embodiment of the present application is: an oil-immersed power transformer with a protection structure, comprising a protection base 1, the inner surface of the protection base 1 is fixedly connected with a damper 32, the top end of the damper 32 is fixedly connected with a mounting frame 2, the inside of the mounting frame 2 is provided with a transformer body 3, the upper surface of the protection base 1 is fixedly connected with a first sliding rail 31, the lower surface of the transformer body 3 is fixedly connected with a mounting angle plate 33 through a screw, the side surface of the mounting angle plate 33 is fixedly connected with a trapezoidal clamping block 34, the inner side of the trapezoidal clamping block 34 is provided with a positioning groove 35, the inner surface of the mounting frame 2 is fixedly connected with a fixed block 36, the inner surface of the fixed block 36 is fixedly connected with an elastic telescopic rod one 37, one end of the elastic telescopic rod one 37 close to the trapezoidal clamping block 34 is fixedly connected with a trapezoidal plug-in block 38, the side surface of the trapezoidal plug-in block 38 is fixedly connected with an L-shaped pushing rod 39, the lower surface of the mounting frame 2 is fixedly connected with a triangular pressing plate 310, when the transformer body 3 generates deviation or vibration, the damper 32 can reduce the activity amplitude of the transformer body 3 and the mounting frame 2, thereby making the transformer body 3 run more stably, improving the safety of the transformer body 3 in use, the upper side of the protection base 1 is provided with an insulating oil moisture-proof device 4 for dehumidifying around the transformer body 3, preventing the insulating oil in the transformer body 3 from being damp and deteriorated to affect the insulation effect, the upper side of the protection base 1 is provided with a surface protection device 5 for protecting the surface of the transformer body 3, preventing the transformer body 3 from being damaged by impact and even affecting the stability of the insulating oil, the inner surface of the mounting frame 2 and the first sliding rail 31 is slidingly connected, the inner surface of the trapezoidal plug-in block 38 and the fixed block 36 is slidingly connected, the inner surface of the L-shaped pushing rod 39 and the fixed block 36 is slidingly connected, the trapezoidal plug-in block 38 is inserted into the positioning groove 35 to clamp the trapezoidal clamping block 34 and the mounting angle plate 33, thereby making the transformer body 3 more stably installed on the mounting frame 2, after the trapezoidal clamping block 34 is unlocked from the trapezoidal plug-in block 38, the transformer body 3 and the mounting angle plate 33 can be quickly disassembled from the mounting frame 2, improving the use convenience of the device.

[0023] Working principle: put the transformer body 3 into the installation frame 2, push down the transformer body 3 and the installation frame 2, so as to clamp the installation frame 2 into the protection base 1, when the transformer body 3 produces deviation or vibration, the damper 32 can reduce the activity amplitude of the transformer body 3 and the installation frame 2, and then make the transformer body 3 run more stably, improve the safety of the transformer body 3, when the transformer body 3 is put into the installation frame 2, the transformer body 3 drives the installation angle plate 33 to descend, the installation angle plate 33 drives the trapezoidal clamping block 34 to descend, when the trapezoidal clamping block 34 descends, the inclined surface contacts with the inclined surface of the trapezoidal plug-in block 38, and the trapezoidal clamping block 34 is pushed into the fixed block 36 through the guide of the inclined surface and extrudes the elastic expansion rod one 37, the trapezoidal clamping block 34 continues to move downward to make the positioning groove 35 align with the trapezoidal plug-in block 38, at this time, the elastic reset action of the elastic expansion rod one 37 pushes the trapezoidal plug-in block 38 to pop out from the fixed block 36 and inserts into the positioning groove 35 to clamp the trapezoidal clamping block 34 and the installation angle plate 33, and then make the transformer body 3 more stably installed on the installation frame 2, when disassembling the transformer body 3, push the L-shaped push rod 39, the L-shaped push rod 39 drives the trapezoidal plug-in block 38 to shrink into the fixed block 36 again, so that the trapezoidal clamping block 34 is unlocked from the trapezoidal plug-in block 38, so that the transformer body 3 and the installation angle plate 33 can be disassembled from the installation frame 2, improve the use convenience of the device.

[0024] Please refer to Figures 1-8On the basis of the above embodiment, in another embodiment of the present application, the insulation oil moisture-proof device 4 comprises a receiving shell 41, a dehumidification plate 42 and a through groove 43. The receiving shell 41 is fixedly connected to the rear inner wall of the protection base 1. The dehumidification plate 42 is slidably connected to the inner surface of the receiving shell 41. The through groove 43 is arranged on the front side of the receiving shell 41. The dehumidification plate 42 absorbs the moisture around the transformer body 3 through the silica gel dehumidifier inside, preventing the moisture from penetrating into the transformer body 3 to cause the insulation oil in the transformer body 3 to deteriorate and affect the insulation effect, thereby improving the insulation and safety of the device. The insulation oil moisture-proof device 4 further comprises a first sliding block 44, a triangular sliding plate 45, a guide rail 46, a connecting block 47, a second elastic telescopic rod 48, a second sliding block 49 and a resisting shaft 410. The first sliding block 44 is fixedly connected to the front side of the dehumidification plate 42. The triangular sliding plate 45 is fixedly connected to the front side of the first sliding block 44. The guide rail 46 is fixedly connected to the bottom inner wall of the protection base 1. The connecting block 47 is fixedly connected to the bottom of the receiving shell 41. The second elastic telescopic rod 48 is fixedly connected to the two sides of the connecting block 47. The second sliding block 49 is fixedly connected to the end of the second elastic telescopic rod 48 away from the first sliding block 44. The resisting shaft 410 is arranged on the two sides of the dehumidification plate 42. The first sliding block 44 and the inner surface of the through groove 43 are slidably connected. The dehumidification plate 42 is internally provided with silica gel dehumidifier. The triangular sliding plate 45 and the guide rail 46 are slidably connected. The connecting block 47 and the rear inner wall of the protection base 1 are fixedly connected. The triangular sliding plate 45 and the front side of the second sliding block 49 are fixedly connected. The first sliding block 44 drives the dehumidification plate 42 to approach each other and be received in the receiving shell 41, preventing the silica gel dehumidifier inside the dehumidification plate 42 from being in contact with air to cause the dehumidification effect to be reduced when the transformer body 3 is not used.

[0025] Working principle: In the use process of the transformer body 3, the dehumidification plate 42 absorbs the moisture around the transformer body 3 through the silica gel dehumidifier inside, preventing the moisture from penetrating into the transformer body 3 to cause the insulation oil in the transformer body 3 to deteriorate and affect the insulation effect, thereby improving the insulation and safety of the device. When the mounting frame 2 descends, the triangular pressing plate 310 descends. The inclined surface of the triangular pressing plate 310 is in contact with the inclined surface of the triangular sliding plate 45, and then the inclined surface guides the triangular sliding plate 45 to slide on the guide rail 46 and approach the side of the protection base 1. The triangular sliding plate 45 drives the first sliding block 44 to slide in the through groove 43 and approach the side of the protection base 1. The first sliding block 44 drives the dehumidification plate 42 to extend out of the receiving shell 41 and prevent moisture from entering the transformer body 3. When the triangular pressing plate 310 rises, the triangular sliding plate 45 loses the resistance. At this time, the elastic reset action of the second elastic telescopic rod 48 pulls the second sliding block 49 to approach the connecting block 47. The second sliding block 49 drives the triangular sliding plate 45 to approach each other. The triangular sliding plate 45 drives the dehumidification plate 42 to approach each other and be received in the receiving shell 41 through the first sliding block 44, preventing the silica gel dehumidifier inside the dehumidification plate 42 from being in contact with air to cause the dehumidification effect to be reduced when the transformer body 3 is not used.

[0026] Please refer toFigures 1-8 On the basis of the above-mentioned embodiments, in another embodiment of the present application, the surface protection device 5 comprises a protective outer frame 51, a ventilation groove 52, a second sliding rail 53, a third sliding block 54, the second sliding rail 53 is fixedly connected to the inner surface of the protection base 1 on both sides, the third sliding block 54 is slidingly connected to the inner surface of the second sliding rail 53, the protective outer frame 51 is fixedly connected to the side of the third sliding block 54 away from the second sliding rail 53, the ventilation groove 52 is opened on both sides of the protective outer frame 51, the protective outer frame 51 protects the surface of the transformer body 3, prevents the transformer body 3 from being damaged by impact and even affects the stability of the insulating oil, the heat emitted by the transformer body 3 flows out from the ventilation groove 52, avoiding the influence of the heat dissipation effect of the transformer body 3, improving the use safety, the surface protection device 5 further comprises a protective top plate 55, a threaded sleeve shaft 56, a sliding rod 57, a resisting inclined plate 58, and an L-shaped transmission plate 59, the protective top plate 55 is hingedly connected to the top end of both sides of the protective outer frame 51, the threaded sleeve shaft 56 is threadedly connected to the inner surface of both sides of the protective outer frame 51, the sliding rod 57 is slidingly connected to the inner surface of the threaded sleeve shaft 56, the resisting inclined plate 58 is fixedly connected to the end of the sliding rod 57 away from the dehumidification plate 42, the L-shaped transmission plate 59 is fixedly connected to the side of the protective top plate 55 away from the storage shell 41, the resisting shaft 410 and the end of the sliding rod 57 close to the dehumidification plate 42 are fixedly connected, the spring is arranged between the resisting shaft 410 and the threaded sleeve shaft 56, the inclined surface of the resisting inclined plate 58 and the lower surface of the L-shaped transmission plate 59 are in contact with each other, the torsional spring is arranged at the hinge of the protective top plate 55 and the protective outer frame 51, the protective top plate 55 is rotated and closes the top of the protective outer frame 51, improving the protection effect, the protective outer frame 51 is slid downward in the second sliding rail 53 through the third sliding block 54, so that the transformer body 3 is exposed, facilitating the maintenance of the staff, and improving the use convenience.

[0027] Working principle: during use of the transformer body 3, the protective outer frame 51 protects the surface of the transformer body 3, prevents the transformer body 3 from being damaged by impact and even affecting the stability of the insulating oil, and the heat emitted by the transformer body 3 flows out from the ventilation groove 52, avoiding affecting the heat dissipation effect of the transformer body 3, improving the use safety, when the dehumidification plate 42 approaches the two sides of the protection base 1 and contacts the abutting shaft 410 and pushes the abutting shaft 410 to approach the protective outer frame 51, the abutting shaft 410 drives the sliding rod 57 to slide in the threaded sleeve shaft 56 and extend out of the protective outer frame 51, the sliding rod 57 drives the abutting inclined plate 58 to move away from the side of the protective outer frame 51, the abutting inclined plate 58 pushes the L-shaped transmission plate 59 to rotate along the hinge of the protective top plate 55 and the protective outer frame 51, thereby making the protective top plate 55 rotate and closing the top of the protective outer frame 51, improving the protection effect, when the dehumidification plate 42 is received in the storage shell 41, the abutting shaft 410 loses the abutment of the dehumidification plate 42, at this time the elastic restoring action of the spring pushes the abutting shaft 410 to approach the storage shell 41, thereby driving the sliding rod 57 to retract into the protective outer frame 51, the sliding rod 57 drives the abutting inclined plate 58 to approach the protective outer frame 51, after the L-shaped transmission plate 59 loses the abutment of the abutting inclined plate 58, the elastic restoring action of the torsional spring drives the protective top plate 55 to rotate and reset, at this time the threaded sleeve shaft 56 is rotated, the threaded sleeve shaft 56 drives the abutting inclined plate 58 and the abutting shaft 410 to separate from the protective outer frame 51 through the sliding rod 57, at this time the protective outer frame 51 is slid downward in the second sliding rail 53 through the third sliding block 54, so that the transformer body 3 is exposed, facilitating the maintenance of the staff, and improving the use convenience.

[0028] The application provides an oil-immersed power transformer with a protection structure, and there are many methods and approaches to specifically realize the technical scheme. The above description is only the preferred embodiment of the application, and it should be pointed out that, for ordinary skilled persons in the technical field, some improvements and refinements can be made without departing from the principle of the application, and these improvements and refinements should also be regarded as the protection range of the application.

Claims

1. An oil-immersed power transformer with a protection structure, comprising a protection base (1), characterized in that: The inner surface of the protection base (1) is fixedly connected with a damper (32), the top end of the damper (32) is fixedly connected with a mounting frame (2), the inside of the mounting frame (2) is provided with a transformer body (3), the upper surface of the protection base (1) is fixedly connected with a first sliding rail (31), the lower surface of the transformer body (3) is fixedly connected with a mounting angle plate (33) through a screw, the side surface of the mounting angle plate (33) is fixedly connected with a trapezoidal clamping block (34), the inside of the trapezoidal clamping block (34) is provided with a positioning groove (35), the inner surface of the mounting frame (2) is fixedly connected with a fixed block (36), the inner surface of the fixed block (36) is fixedly connected with an elastic telescopic rod I (37), the end of the elastic telescopic rod I (37) close to the trapezoidal clamping block (34) is fixedly connected with a trapezoidal plug-in block (38), the side surface of the trapezoidal plug-in block (38) is fixedly connected with an L-shaped pushing rod (39), the lower surface of the mounting frame (2) is fixedly connected with a triangular pressing plate (310). The upper surface of the protection base (1) is provided with a surface protection device (5). The insulation oil moisture-proof device (4) further comprises a first sliding block (44), a triangular sliding plate (45), a guide rail (46), a connecting block (47), an elastic telescopic rod II (48), a second sliding block (49) and a resisting shaft (410), the first sliding block (44) is fixedly connected to the front side of the dehumidification plate (42), the triangular sliding plate (45) is fixedly connected to the front side of the first sliding block (44), the guide rail (46) is fixedly connected to the bottom surface of the inner wall of the protection base (1), the connecting block (47) is fixedly connected to the bottom surface of the storage shell (41), the elastic telescopic rod II (48) is fixedly connected to the two sides of the connecting block (47), the second sliding block (49) is fixedly connected to the end of the elastic telescopic rod II (48) away from the first sliding block (44), the resisting shaft (410) is arranged on the two sides of the dehumidification plate (42), the first sliding block (44) and the inner surface of the through groove (43) are in sliding connection, the inside of the dehumidification plate (42) is provided with silica gel dehumidifier, the triangular sliding plate (45) and the guide rail (46) are in sliding connection, the connecting block (47) and the rear side of the inner wall of the protection base (1) are fixedly connected, and the triangular sliding plate (45) and the front side of the second sliding block (49) are fixedly connected.

2. The oil-immersed power transformer with a protective structure according to claim 1, characterized in that: The mounting frame (2) and the inner surface of the first sliding rail (31) are in sliding connection, the trapezoidal plug-in block (38) and the inner surface of the fixed block (36) are in sliding connection, and the L-shaped pushing rod (39) and the inner surface of the fixed block (36) are in sliding connection.

3. The oil-immersed power transformer with a protective structure according to claim 2, characterized in that: The insulation oil moisture-proof device (4) comprises a storage shell (41), a dehumidification plate (42) and a through groove (43), the storage shell (41) is fixedly connected to the rear side of the inner wall of the protection base (1), the dehumidification plate (42) is in sliding connection with the inner surface of the storage shell (41), and the through groove (43) is arranged on the front side of the storage shell (41).

4. The oil-immersed power transformer with a protective structure according to claim 3, characterized in that: The surface protection device (5) comprises a protection outer frame (51), a ventilation groove (52), a second sliding rail (53), and a third sliding block (54), the second sliding rail (53) is fixedly connected to the inner surface of the protection base (1) on both sides, the third sliding block (54) is slidingly connected to the inner surface of the second sliding rail (53), the protection outer frame (51) is fixedly connected to the side of the third sliding block (54) away from the second sliding rail (53), and the ventilation groove (52) is arranged on both sides of the protection outer frame (51).

5. The oil-immersed power transformer with a protective structure according to claim 4, characterized in that: The surface protection device (5) further comprises a protection top plate (55), a threaded sleeve shaft (56), a sliding rod (57), a resisting inclined plate (58), and an L-shaped transmission plate (59), the protection top plate (55) is hingedly connected to the top end of the protection outer frame (51) on both sides, the threaded sleeve shaft (56) is threadedly connected to the inner surface of the protection outer frame (51) on both sides, the sliding rod (57) is slidingly connected to the inner surface of the threaded sleeve shaft (56), the resisting inclined plate (58) is fixedly connected to the end of the sliding rod (57) away from the dehumidification plate (42), and the L-shaped transmission plate (59) is fixedly connected to the side of the protection top plate (55) away from the storage shell (41).

6. The oil-immersed power transformer with a protective structure according to claim 5, characterized in that: The resisting shaft (410) and the sliding rod (57) are fixedly connected at the end close to the dehumidification plate (42), a spring is arranged between the resisting shaft (410) and the threaded sleeve shaft (56), the inclined surface of the resisting inclined plate (58) and the lower surface of the L-shaped transmission plate (59) are in contact with each other, and a torsional spring is arranged at the hinge between the protection top plate (55) and the protection outer frame (51).

Images