Dry-type transformer with incoming line protection structure

Abstract

The application discloses a dry-type transformer with incoming line protection structure, which comprises a transformer body, the bottom of the transformer body is connected with the upper end of a base, a plurality of clamping grooves are formed in the bottom of the lower end of the base, a plurality of heat dissipation fins are equidistantly arranged on the front and back sides of the transformer body, a cooling assembly is arranged outside the transformer body, the transformer body is arranged in the middle of the inside of a protection box, a louver is arranged on one side of the protection box, positioning supports are symmetrically arranged on the inner side of the louver, a dust screen is arranged between the two positioning supports, a heat dissipation assembly is arranged on the other side of the protection box, and an incoming line protection assembly is arranged on the top of the protection box. The dry-type transformer with the incoming line protection structure is convenient for the directional incoming line of high-voltage electric wires and low-voltage electric wires through the incoming line protection assembly, avoids the adhesion and winding, avoids the occurrence of safety accidents, and is convenient for the protection of the incoming line protection assembly through the arrangement of the protection top plate, and the protection property in use is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of dry-type transformers, and particularly relates to a dry-type transformer with incoming line protection structure. BACKGROUND

[0002] Dry-type transformers are widely used in local lighting, high-rise buildings, airports, ports and CNC mechanical equipment and the like. Simply speaking, a dry-type transformer refers to a transformer without a core and winding immersed in insulating oil.

[0003] Through retrieval, it is found that a dry-type transformer is disclosed in the prior art, which is disclosed in the utility model with publication number CN206363868U and comprises a core, a coil, an upper clamp, a lower clamp and an insulating cylinder. The core has a plurality of core columns, each of which is sleeved with the coil. The upper part of the core is provided with the upper clamp, and the lower part of the core is provided with the lower clamp. The coil is provided with the insulating cylinder. The insulating cylinder comprises an insulating layer, a glue layer and a sound-absorbing layer. The glue layer is located between the insulating layer and the sound-absorbing layer. The sound-absorbing layer is corrugated, and a plurality of sound-absorbing holes are formed in the sound-absorbing layer. The structure of the insulating cylinder is improved. The insulating cylinder comprises two insulating layers and a sound-absorbing layer and a glue layer sandwiched between the two insulating layers. The insulating cylinder not only has an insulating effect but also has a sound-absorbing and vibration-reducing effect, greatly reducing the noise of the transformer. The sound-absorbing layer has a convex structure, increasing the sound-absorbing area. The sound-absorbing effect is further improved by the sound-absorbing holes.

[0004] In summary, the existing dry-type transformer cannot protect the electric wire, so that the high-voltage electric wire is easy to adhere to the low-voltage electric wire, thereby causing a safety accident. In view of the above problems, the existing equipment needs to be improved. SUMMARY

[0005] The present application aims to provide a dry-type transformer with incoming line protection structure to solve the problem that the existing dry-type transformer cannot protect the electric wire, so that the high-voltage electric wire is easy to adhere to the low-voltage electric wire, thereby causing a safety accident.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a dry-type transformer with incoming line protection structure, comprising a transformer body,

[0007] The transformer body bottom is connected with the upper end of the base, a plurality of ventilation strip holes are equidistantly arranged on the front end of the base, a plurality of clamping grooves are arranged on the bottom of the lower end of the base, a plurality of heat dissipation fins are equidistantly arranged on the front and back sides of the transformer body, a cooling assembly is arranged on the outside of the transformer body, the transformer body is arranged in the middle of the protective box body, a louver is arranged on one side of the protective box body, positioning supports are symmetrically arranged on the inside of the louver, a dust screen is arranged between the two positioning supports, a heat dissipation assembly is arranged on the other side of the protective box body, an incoming line protection assembly is arranged on the top of the protective box body, the incoming line protection assembly comprises a positioning frame, the positioning frame is in T-shaped structure, the upper end of the positioning frame is connected with the upper end of the protective box body through third fixing bolts, a through hole is arranged in the middle of the inside of the positioning frame, mobile sliding grooves are symmetrically arranged on the inside of the through hole, a plurality of guide protection cylinders are equidistantly arranged between the mobile sliding grooves, the guide protection cylinders are slidably connected with the mobile sliding grooves through sliding blocks, a positioning clamping seat is arranged on the upper end of the positioning frame, a plurality of positioning holes are arranged on the positioning clamping seat, the positions of the positioning holes correspond to the positions of the guide protection cylinders, a plurality of plug-in rubber blocks are arranged on the bottom of the lower end of the positioning clamping seat, the plug-in rubber blocks are arranged in the cavities between the through hole and the guide protection cylinders, and the sizes of the plug-in rubber blocks are the same as the sizes of the corresponding cavities.

[0008] Preferably, the cooling assembly comprises two liquid storage tanks, the two liquid storage tanks are connected with the side edges of the transformer body through mounting racks and connecting bolts, the upper end of the liquid storage tank arranged on one side is provided with a liquid inlet, the front end of the liquid storage tank is provided with a first conveying pipe, the first conveying pipe is provided with a first conveying pump, the front end of the liquid storage tank arranged on the other side is provided with a second conveying pipe, the second conveying pipe is provided with a second conveying pump, the second conveying pipe is connected with the first conveying pipe through a condenser pipe, the condenser pipe is arranged in an S-shaped manner between the heat dissipation fins arranged on the front end, and positioning baffles are symmetrically arranged on the outside of the condenser pipe, and the positioning baffles are detachably connected with the heat dissipation fins.

[0009] Preferably, the outside of the liquid storage tank arranged on the other side is provided with a liquid discharge pipe, the liquid discharge pipe is connected with the rear side of the liquid storage tank arranged on one side through a liquid return pipe, and a circulating pump is arranged on the liquid return pipe.

[0010] Preferably, the front end of the protective box body is hingedly connected with a protective box door, a plurality of clamping blocks are equidistantly arranged on the inside of the lower end of the protective box body, the clamping blocks are clamped and connected with the clamping grooves, positioning supports are symmetrically arranged on the two sides of the lower end of the inside of the protective box body, the two positioning supports are arranged on the outside of the base, the upper end of the positioning support is connected with the base through first fixing bolts, and self-locking rollers are symmetrically arranged on the two sides of the lower end of the protective box body.

[0011] Preferably, the lower outer side of the protective box is provided with a positioning assembly, and the positioning assembly comprises a positioning bottom frame, ground nails and second fixing bolts, the positioning bottom frame is a U-shaped structure, and a plurality of ground nails are arranged on the bottom of the lower end of the positioning bottom frame, and the upper end side of the positioning bottom frame is connected with the lower end side of the protective box through the second fixing bolts, the inner bottom end of the positioning bottom frame is attached to the bottom of the self-locking roller, and the self-locking roller is located between the adjacent ground nails.

[0012] Preferably, the heat dissipation assembly comprises a mounting frame, a ventilation mesh plate, a driving motor, a positioning frame, a rotating shaft, a fan blade and a cleaning brush, the mounting frame is a back-shaped structure, and the mounting frame is connected with the limiting opening formed on one side of the protective box, and the ventilation mesh plates are symmetrically arranged on both sides of the mounting frame, one side of the inside of the mounting frame is connected with the driving motor through the positioning frame, and the output end of the driving motor is connected with the rotating shaft, and the fan blade and the cleaning brush are arranged on the rotating shaft, and the cleaning brush is attached to the inner wall of the ventilation mesh plate arranged on one side.

[0013] Preferably, the mounting frame is symmetrically provided with positioning blocks near one side of the transformer body, and the positioning blocks are clamped and connected with one ends of the corresponding plug-in rods, and the other ends of the plug-in rods are connected with the plug-in holes formed in the inside of the corresponding protective baffle penetrating through the protective box.

[0014] Preferably, the wire inlet protection assembly is provided with a protective top plate above, and the protective top plate is connected with the top of the protective box through support columns on both sides of the lower end.

[0015] Compared with the prior art, the dry-type transformer with the wire inlet protection structure has the advantages that,

[0016] (1) In order to solve the problem that the existing dry-type transformer cannot protect the electric wire, so that the high-voltage electric wire is easily attached to the low-voltage electric wire, and safety accidents occur, the present application is provided with a wire inlet protection assembly and a protective top plate, through the wire inlet protection assembly, the high-voltage electric wire and the low-voltage electric wire are conveniently oriented to enter the wire, so as to avoid attachment and winding, and safety accidents are avoided, and the protective top plate is arranged, so as to protect the wire inlet protection assembly and improve the protection performance in use.

[0017] (2) In order to solve the problem that the dry-type transformer generates a certain amount of heat during work, the heat dissipation condition is poor, the heat is easy to accumulate, and the dry-type transformer is easy to short circuit and cannot work normally if the heat is not dissipated and cooled in time, the first conveying pump and the second conveying pump are used to circulate and convey the condensate in the liquid storage tank through the first conveying pipe, the condensing pipe and the second conveying pipe, so that the condensate can take away the heat emitted by the dry-type transformer body, which is beneficial to further reduce the heat of the transformer body and ensure the normal work of the transformer body. Under the action of the circulating pump and the backflow pipe, the condensate can be recycled, the practicality of use is improved, and the heat dissipation effect is improved;

[0018] (3) In order to solve the problem that the dry-type transformer generates a certain amount of heat during work, the heat dissipation condition is poor, the heat is easy to accumulate, and the dry-type transformer is easy to short circuit and cannot work normally if the heat is not dissipated and cooled in time, the present application is provided with a louver and a heat dissipation assembly, which is driven by a driving motor to rotate the connecting shaft, the fan blade and the cleaning brush synchronously, so that the external air enters the protection box body after being filtered by the dust screen, thereby accelerating the air circulation in the protection box body and improving the heat dissipation effect, which is beneficial to ensure the normal work of the transformer body.

[0019] (4) In order to solve the problem that the existing dry-type transformer is large in size, in order to facilitate transportation, a lifting ring is usually arranged at the upper end of the dry-type transformer, and the dry-type transformer is lifted by the lifting ring, but when transported horizontally, the lifting device is used for lifting and transporting, which wastes resources. The present application is provided with a self-locking roller and a positioning assembly, which is convenient for moving the protection box body and the transformer body horizontally, and the positioning bottom frame is fixed on the ground by the ground peg, so that the protection box body is located in the positioning bottom frame under the action of the self-locking roller, and the protection box body is fixed in the positioning bottom frame by the second fixing bolt, thereby improving the stability of the whole placement. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a front view of the sectional structure of the present application;

[0021] Figure 2 It is a front view of the transformer body structure of the present application;

[0022] Figure 3 It is a front view of the positioning assembly structure of the present application;

[0023] Figure 4 It is a front view of the heat dissipation assembly sectional structure of the present application;

[0024] Figure 5 It is a front view of the incoming line protection assembly sectional structure of the present application;

[0025] Figure 6 It is a front view of the present application.

[0026] In the figure: 1, transformer body; 2, base; 201, ventilation strip hole; 202, clamping groove; 3, heat dissipation fin; 4, cooling assembly; 401, liquid storage tank; 402, liquid inlet; 403, first conveying pipe; 404, first conveying pump; 405, condensing pipe; 406, second conveying pipe; 407, second conveying pump; 408, liquid discharge pipe; 5, positioning baffle; 6, protective box; 601, protective box door; 602, clamping block; 603, limiting frame; 604, first fixing bolt; 605, self-locking roller; 7, positioning assembly; 701, positioning bottom frame; 702, ground insertion nail; 703, second fixing bolt; 8, louver; 9, positioning support; 10, dust screen; 11, heat dissipation assembly; 1101, mounting frame; 1102, ventilation screen; 1103, driving motor; 1104, positioning frame; 1105, rotating shaft; 1106, fan blade; 1107, cleaning brush; 1108, positioning block; 1109, plug-in rod; 1110, protective baffle; 1111, plug-in hole; 1112, reinforcing rod; 1113, positioning bolt; 12, wire inlet protection assembly; 1201, positioning frame; 1202, third fixing bolt; 1203, moving sliding groove; 1204, guide protection cylinder; 1205, positioning clamping seat; 1206, plug-in rubber block; 13, protective top plate; 14, support column. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the 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. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0028] Please refer to Figures 1-6 The present application provides a technical solution: a dry-type transformer with a wire inlet protection structure, according to Figure 1 and Figure 2 The transformer body 1 is connected to the upper end of the base 2, and a plurality of ventilation strip holes 201 are equidistantly formed on the front upper end of the base 2, and a plurality of clamping grooves 202 are formed on the lower end of the base 2, a plurality of heat dissipation fins 3 are equidistantly arranged on the front and back sides of the transformer body 1, and a cooling assembly 4 is arranged on the outer side of the transformer body 1.

[0029] Specific, cooling assembly 4 includes liquid tank 401, and liquid tank 401 is provided with two, while two liquid tank 401 through the mounting bracket and connecting bolt and transformer body 1 side edge connection, one side set up liquid tank 401 upper end one side is provided with liquid inlet 402, and liquid tank 401 front lower end is provided with first conveying pipe 403, while the first conveying pipe 403 is installed with first conveying pump 404, the other side set up liquid tank 401 front upper end is provided with second conveying pipe 406, and the second conveying pipe 406 is provided with second conveying pump 407, while the second conveying pipe 406 is connected with the first conveying pipe 403 through the condenser pipe 405, the condenser pipe 405 is S type in the front set up between the heat dissipation fin 3, and the condenser pipe 405 outside is provided with positioning baffle 5, while the positioning baffle 5 and heat dissipation fin 3 can be detachably connected, through the positioning baffle 5, it is convenient for the condenser pipe 405 set up inside heat dissipation fin 3 to limit, prevent the condenser pipe 405 moves, influence cooling effect, the other side set up liquid tank 401 outside is provided with drain pipe 408, and the drain pipe 408 is connected with the one side set up liquid tank 401 rear side through the liquid return pipe, while the liquid return pipe is installed with circulating pump.

[0030] In use, through liquid inlet 402 to add condensate in liquid tank 401, then start first conveying pump 404 and second conveying pump 407, so that condensate is transported in condenser pipe 405, the transformer body 1 is cooled, thereby accelerating the heat dissipation effect, is favorable for guaranteeing the normal work of transformer body 1, while through circulating pump, the condensate in the other side liquid tank 401 is transported again to liquid tank 401 through drain pipe 408 and liquid return pipe, and is used again, improve the utilization rate of use.

[0031] According to Figure 1 , Figure 3 and Figure 6As shown, the transformer body 1 is arranged in the middle of the protective box body 6, the front sides of the protective box body 6 are connected with protective box doors 601 through hinges, and a plurality of clamping blocks 602 are arranged equidistantly at the lower end of the inside of the protective box body 6, and the clamping blocks 602 are clamped and connected with the clamping grooves 202, the two sides of the lower end of the inside of the protective box body 6 are symmetrically provided with limiting frames 603, and the two limiting frames 603 are located outside the base 2, and the upper end of the limiting frame 603 is connected with the base 2 through the first fixing bolt 604, and the clamping blocks 602 are clamped and connected with the clamping grooves 202, which is convenient for positioning the position of the transformer body 1, and then the limiting frame 603 and the first fixing bolt 604 are used to further limit the position of the transformer body 1, thereby improving the stability of the transformer body 1, and the two sides of the lower end of the protective box body 6 are symmetrically provided with self-locking rollers 605, and the self-locking rollers 605 are used to facilitate the movement of the transformer body 1 and the protective box body 6 as a whole, thereby improving the convenience of carrying, and the lower end of the protective box body 6 is provided with a positioning assembly 7, and the positioning assembly 7 comprises a positioning bottom frame 701, ground nails 702 and second fixing bolts 703, the positioning bottom frame 701 is of U-shaped structure, a plurality of ground nails 702 are arranged at the bottom of the lower end of the positioning bottom frame 701, and the upper end side of the positioning bottom frame 701 is connected with the lower end side of the protective box body 6 through the second fixing bolt 703, and the inside bottom end of the positioning bottom frame 701 is attached to the bottom of the self-locking roller 605, and the self-locking roller 605 is located between the adjacent ground nails 702.

[0032] In use, the positioning bottom frame 701 is fixed on the ground where the transformer body 1 is used through the ground nails 702, and then the transformer body 1 and the protective box body 6 are moved as a whole through the self-locking rollers 605, so that the self-locking rollers 605 are located between the adjacent ground nails 702 and the upper end side of the positioning bottom frame 701 is attached to the lower end side of the protective box body 6, and then the second fixing bolt 703 is rotated to connect and fix the positioning bottom frame 701 and the protective box body 6, thereby improving the stability in use.

[0033] According to Figure 1 , Figure 4 and Figure 6 , a louver 8 is installed on one side of the protective box body 6, the louver 8 is used to facilitate the exchange of air between the outside and the inside of the protective box body 6, thereby dissipating the heat generated by the transformer body 1 during work, and the inside of the louver 8 is symmetrically provided with positioning supports 9, and a dust screen 10 is arranged between the two positioning supports 9, the dust screen 10 is used to filter the gas entering the inside of the protective box body 6, thereby preventing dust from entering the protective box body 6 and affecting the work of the transformer body 1, and a heat dissipation assembly 11 is arranged on the other side of the protective box body 6.

[0034] Specifically, the heat dissipation assembly 11 comprises a mounting frame 1101, a ventilation mesh plate 1102, a driving motor 1103, a positioning frame 1104, a rotating shaft 1105, a fan blade 1106 and a cleaning brush 1107. The mounting frame 1101 is in a back type structure and is connected with a limiting opening formed on one side of the protective box body 6. Meanwhile, the ventilation mesh plate 1102 is symmetrically mounted on both sides of the mounting frame 1101. The driving motor 1103 is connected with the positioning frame 1104 on one side of the mounting frame 1101. The output end of the driving motor 1103 is connected with the rotating shaft 1105. Meanwhile, the fan blade 1106 and the cleaning brush 1107 are arranged on the rotating shaft 1105. The cleaning brush 1107 is attached to the inner wall of the ventilation mesh plate 1102 arranged on one side. Through the cleaning brush 1107, the impurities and dust adhered to the ventilation mesh plate 1102 arranged correspondingly can be cleaned, so as to improve the ventilation effect during use. The positioning block 1108 is symmetrically arranged on the side of the mounting frame 1101 close to the transformer body 1. The positioning block 1108 is clamped and connected with one end of the plug-in rod 1109 arranged correspondingly. Meanwhile, the other end of the plug-in rod 1109 penetrates through the protective box body 6 and is connected with the plug-in hole 1111 formed in the inside of the protective baffle 1110 arranged correspondingly. The protective baffle 1110 is connected with the outside of the protective box body 6 through the reinforcing rods 1112 arranged symmetrically. The positioning bolt 1113 is arranged on the inside of the protective baffle 1110. The top of the positioning bolt 1113 penetrates through the protective baffle 1110 and is connected with the plug-in rod 1109 arranged correspondingly. Through pushing the plug-in rod 1109, the position of the mounting frame 1101 can be moved, so as to adjust the distance between the mounting frame 1101 and the transformer body 1 according to the use condition, thereby improving the flexibility and practicality during use.

[0035] During use, the driving motor 1103 is started to drive the rotating shaft 1105 to rotate, so that the rotating shaft 1105 drives the fan blade 1106 and the cleaning brush 1107 to rotate synchronously. The gas outside is transported into the inside of the protective box body 6 through the ventilation mesh plate 1102 by the suction force generated by the rotation of the fan blade 1106, so as to improve the flow rate of the gas flow and improve the heat dissipation effect. Meanwhile, the cleaning brush 1107 rotates to clean the impurities and dust adhered to the ventilation mesh plate 1102 arranged correspondingly, thereby increasing the ventilation volume.

[0036] According to Figure 1 , Figure 5 and Figure 6As shown, the top of the protection box 6 is provided with an incoming line protection assembly 12, and the incoming line protection assembly 12 comprises a positioning frame 1201, the positioning frame 1201 is in T-shaped structure, and the two sides of the upper end of the positioning frame 1201 are connected with the upper end of the protection box 6 through third fixing bolts 1202, and a through hole is formed in the middle of the inside of the positioning frame 1201, and a moving sliding groove 1203 is symmetrically arranged on both sides of the inside of the through hole, and a plurality of guide protection cylinders 1204 are equidistantly arranged between the moving sliding grooves 1203, and the guide protection cylinders 1204 are slidably connected with the moving sliding grooves 1203 through sliding blocks, and by moving the guide protection cylinders 1204, the high-voltage wire and the low-voltage wire can be oriented to enter the line, preventing the high-voltage wire and the low-voltage wire from being entangled and causing safety accidents, and a positioning clamping seat 1205 is arranged at the upper end of the positioning frame 1201, and a plurality of positioning holes are formed in the positioning clamping seat 1205, and the positions of the positioning holes correspond to the positions of the guide protection cylinders 1204, and a plurality of plug-in rubber blocks 1206 are arranged at the bottom of the lower end of the positioning clamping seat 1205, and the plug-in rubber blocks 1206 are located in the cavity between the through hole and the guide protection cylinder 1204, and the size of the plug-in rubber block 1206 is the same as the size of the corresponding cavity, and by using the positioning clamping seat 1205 and the plug-in rubber block 1206 together, the guide protection cylinder 1204 can be limited and the incoming line position can be protected at the same time, thereby improving the protection performance.

[0037] In use, the guide protection cylinder 1204 is moved first, and then the plug-in rubber block 1206 is inserted into the cavity between the through hole and the guide protection cylinder 1204, and the upper end of the guide protection cylinder 1204 is clamped with the positioning hole of the positioning clamping seat 1205, and the high-voltage wire and the low-voltage wire are respectively connected with the transformer body 1 through the corresponding guide protection cylinder 1204, so that the high-voltage wire and the low-voltage wire are not easy to entangle when the transformer body 1 is working.

[0038] The terms "center", "longitudinal", "transverse", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is a simplified description for the convenience of describing the present application, and does not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the protection scope of the present application.

[0039] Although the present application has been described in detail with reference to the foregoing embodiments, the technical solutions recorded in the foregoing embodiments can be modified, or some of the technical features can be replaced by equivalent features, by those skilled in the art, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A dry-type transformer with incoming line protection structure, comprising a transformer body (1), characterized in that: the bottom of the transformer body (1) is connected with the upper end of the base (2), and a plurality of ventilation strip holes (201) are equidistantly arranged on the front upper end of the base (2), and a plurality of clamping grooves (202) are arranged on the bottom of the lower end of the base (2), a plurality of heat dissipation fins (3) are equidistantly arranged on the front and back sides of the transformer body (1), a cooling assembly (4) is arranged on the outer side of the transformer body (1), the transformer body (1) is arranged in the middle of the inside of the protective box body (6), the louver (8) is arranged on one side of the protective box body (6), the positioning bracket (9) is symmetrically arranged on the inner side of the louver (8), the dust screen plate (10) is arranged between the two positioning brackets (9), the heat dissipation assembly (11) is arranged on the other side of the protective box body (6), the incoming line protection assembly (12) is arranged on the top of the protective box body (6), the positioning frame (1201) is arranged on the incoming line protection assembly (12), the positioning frame (1201) is a T-shaped structure, the upper end of the positioning frame (1201) is connected with the upper end of the protective box body (6) through the third fixing bolt (1202), a through hole is arranged in the middle of the inside of the positioning frame (1201), the mobile sliding groove (1203) is symmetrically arranged on both sides of the inside of the through hole, a plurality of guide protection cylinders (1204) are equidistantly arranged between the mobile sliding grooves (1203), the guide protection cylinders (1204) are slidably connected with the mobile sliding grooves (1203) through the sliding blocks on the outer sides of the guide protection cylinders (1204), the positioning clamping seat (1205) is arranged on the upper end of the positioning frame (1201), a plurality of positioning holes are arranged on the positioning clamping seat (1205), the positions of the positioning holes correspond to the positions of the guide protection cylinders (1204), a plurality of plug-in rubber blocks (1206) are arranged on the bottom of the lower end of the positioning clamping seat (1205), the plug-in rubber blocks (1206) are arranged in the cavities between the through hole and the guide protection cylinders (1204), and the sizes of the plug-in rubber blocks (1206) are the same as the sizes of the corresponding cavities.

2. The dry-type transformer having a line-in protection structure according to claim 1, characterized by: The cooling assembly (4) comprises liquid storage tanks (401), and the two liquid storage tanks (401) are connected to the side of the transformer body (1) through a mounting frame and connecting bolts; the liquid storage tank (401) arranged on one side is provided with a liquid inlet (402) on the upper end of the side, and the front lower end of the liquid storage tank (401) is provided with a first conveying pipe (403), and the first conveying pipe (403) is provided with a first conveying pump (404); the liquid storage tank (401) arranged on the other side is provided with a second conveying pipe (406) on the front upper end, and the second conveying pipe (406) is provided with a second conveying pump (407); the second conveying pipe (406) is connected to the first conveying pipe (403) through a condenser pipe (405), the condenser pipe (405) is arranged in an S shape between the heat dissipation fins (3) arranged on the front, and the condenser pipe (405) is symmetrically provided with a positioning baffle (5) outside, and the positioning baffle (5) is detachably connected to the heat dissipation fins (3).

3. The dry-type transformer having a line-in protection structure according to claim 2, characterized by: The liquid storage tank (401) arranged on the other side is provided with a liquid discharge pipe (408) outside, and the liquid discharge pipe (408) is connected to the rear side of the liquid storage tank (401) arranged on one side through a liquid return pipe, and the liquid return pipe is provided with a circulating pump.

4. The dry-type transformer having a line-in protection structure according to claim 1, characterized by: The front of the protection box body (6) is hingedly connected with protection box doors (601) on both sides, and a plurality of clamping blocks (602) are equidistantly arranged on the lower end of the inside of the protection box body (6), and the clamping blocks (602) are clamped and connected to the clamping grooves (202); the lower end of the inside of the protection box body (6) is symmetrically provided with limiting racks (603) on both sides, and the two limiting racks (603) are located outside the base (2), and the limiting racks (603) are connected to the base (2) through first fixing bolts (604) on the upper end; the lower end of the protection box body (6) is symmetrically provided with self-locking rollers (605) outside.

5. The dry-type transformer having a line-in protection structure according to claim 4, characterized by: The lower end of the protection box body (6) is provided with a positioning assembly (7) outside, and the positioning assembly (7) comprises a positioning bottom frame (701), ground insertion nails (702) and second fixing bolts (703); the positioning bottom frame (701) is of a U-shaped structure, and the lower end of the bottom of the positioning bottom frame (701) is provided with a plurality of ground insertion nails (702); the upper end of the side of the positioning bottom frame (701) is connected to the lower end of the side of the protection box body (6) through the second fixing bolts (703); the bottom end of the inside of the positioning bottom frame (701) is attached to the bottom of the self-locking roller (605), and the self-locking roller (605) is located in the middle of the adjacent ground insertion nails (702).

6. The dry-type transformer having a line-in protection structure according to claim 1, characterized by: The heat dissipation assembly (11) comprises a mounting frame (1101), a ventilation mesh plate (1102), a driving motor (1103), a positioning frame (1104), a rotating shaft (1105), a fan blade (1106) and a cleaning brush (1107), the mounting frame (1101) is a back-shaped structure, and the mounting frame (1101) is connected with a limiting opening formed in one side of the protective box body (6), meanwhile, the ventilation mesh plates (1102) are symmetrically installed on the two sides of the mounting frame (1101), one side of the inside of the mounting frame (1101) is connected with the driving motor (1103) through the positioning frame (1104), the output end of the driving motor (1103) is connected with the rotating shaft (1105), meanwhile, the rotating shaft (1105) is provided with the fan blade (1106) and the cleaning brush (1107), and the cleaning brush (1107) is attached to the inner wall of the ventilation mesh plate (1102) arranged on one side.

7. The dry-type transformer having a line-in protection structure according to claim 6, characterized by: The mounting frame (1101) is symmetrically provided with a positioning block (1108) near one side of the transformer body (1), the positioning block (1108) is clamped and connected with one end of a plug-in rod (1109) arranged at the corresponding position, meanwhile, the other end of the plug-in rod (1109) penetrates the protective box body (6) and is connected with a plug-in hole (1111) formed in the inside of a protective baffle (1110) arranged at the corresponding position, the outer side of the protective baffle (1110) is connected with the outer side of the protective box body (6) through the symmetrically arranged reinforcing rods (1112), the inner side of the protective baffle (1110) is provided with a positioning bolt (1113), and the top of the positioning bolt (1113) penetrates the protective baffle (1110) and is connected with the plug-in rod (1109) arranged at the corresponding position.

8. The dry-type transformer having a line-in protection structure according to claim 1, characterized by: The incoming line protection assembly (12) is provided with a protective top plate (13) above, and the lower end of the protective top plate (13) is connected with the top of the protective box body (6) through the supporting columns (14) on the two sides.

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