CN119108188A

CN119108188A - A dry-type transformer with incoming line protection structure

Info

Publication number: CN119108188A
Application number: CN202411288964.0A
Authority: CN
Inventors: 姚君可; 徐傲; 王冠; 王婉
Original assignee: Jiangsu Hengtong General Electric Co ltd
Current assignee: Jiangsu Hengtong General Electric Co ltd
Priority date: 2024-09-14
Filing date: 2024-09-14
Publication date: 2024-12-10
Anticipated expiration: 2044-09-14
Also published as: CN119108188B

Abstract

The invention discloses a dry-type transformer with a wire inlet protection structure, which comprises a transformer body, wherein 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 radiating fins are equidistantly arranged on the two sides of the front and back of the transformer body, a cooling assembly is arranged on the outer side of the transformer body, the transformer body is arranged in the middle of the inside of a protection box body, a shutter is arranged on one side of the protection box body, positioning brackets are symmetrically arranged on the inner side of the shutter, a dustproof screen plate is arranged between the two positioning brackets, a radiating assembly is arranged on the other side of the protection box body, and the wire inlet protection assembly is arranged on the top of the protection box body. This dry-type transformer with inlet wire protection architecture, through inlet wire protection component, be convenient for carry out directional inlet wire with high-voltage wire and low-voltage wire, avoid laminating winding, avoid taking place the incident, set up the protection roof simultaneously, be convenient for protect inlet wire protection component, improve the protectiveness of using.

Description

Dry-type transformer with inlet wire protection architecture

Technical Field

The invention relates to the technical field related to dry transformers, in particular to a dry transformer with an incoming line protection structure.

Background

Dry transformers are widely used in places such as local lighting, high-rise buildings, airports, wharfs, CNC machinery, etc., and simply refer to transformers in which the iron cores and windings are not immersed in insulating oil.

Through searching, the dry-type transformer in the prior art is found to be typically as with the publication number CN206363868U, and comprises an iron core, coils, an upper clamping piece, a lower clamping piece and an insulating cylinder, wherein the iron core is provided with a plurality of core columns, each core column is respectively sleeved with the coil, the upper part of the iron core is provided with the upper clamping piece, the lower part of the iron core is provided with the lower clamping piece, the insulating cylinder is inserted in the coil, the insulating cylinder comprises an insulating layer, a rubber layer and a silencing layer, the rubber layer is positioned between the insulating layer and the silencing layer, the silencing layer is corrugated, and a plurality of silencing holes are formed in the silencing layer. According to the utility model, by improving the structure of the insulating cylinder, the insulating cylinder comprises insulating layers at two sides, and a silencing layer and an adhesive layer which are clamped between the two insulating layers. The insulating cylinder has the functions of insulation, noise reduction and vibration reduction, and greatly reduces the noise of the transformer. The amortization layer increases the amortization area through the bellied structure of ripple, and still through seting up the amortization hole, further improves the amortization effect.

In summary, the existing dry-type transformer cannot protect the electric wires, so that the high-voltage electric wires are easy to attach to the electric wires, and a safety accident occurs.

Disclosure of Invention

The invention aims to provide a dry-type transformer with an incoming line protection structure, so as to solve the problem that the existing dry-type transformer provided in the background art cannot protect wires, so that high-voltage wires are easy to be mutually attached to the low-voltage wires, and safety accidents occur.

In order to achieve the above purpose, the invention provides a dry-type transformer with an incoming line protection structure, which comprises a transformer body,

The bottom of the transformer body is connected with the upper end of the base, a plurality of ventilation strip holes are formed in the upper end of the front face of the base at equal intervals, a plurality of clamping grooves are formed in the bottom of the lower end of the base at the same time, a plurality of radiating fins are arranged in the front face and the two sides of the back face of the transformer body at equal intervals, a cooling component is arranged on the outer side of the transformer body at the same time, the transformer body is arranged in the middle of the inside of a protective box body, a shutter is arranged on one side of the protective box body, positioning brackets are symmetrically arranged on the inner side of the shutter, a dustproof screen plate is arranged between the two positioning brackets at the same time, a radiating component is arranged on the other side of the protective box body, a wire inlet protection component is arranged at the top of the protective box body, the wire inlet protection component comprises a positioning frame which is of a T-shaped structure, and the both sides of locating frame upper end are connected with the protection box upper end through third fixing bolt, have offered the through-hole in the middle of the locating frame inside simultaneously, the inside bilateral symmetry of through-hole is provided with the removal spout, and moves equidistant between the spout and be provided with a plurality of direction guard barrels, and the direction guard barrel outside is through slider and removal spout sliding connection simultaneously, locating frame upper end is provided with the location cassette, and has offered a plurality of locating holes on the location cassette, and the position of locating hole sets up with the position correspondence of direction guard barrel simultaneously, location cassette lower extreme bottom is provided with a plurality of grafting rubber pieces, and the grafting rubber piece is located the cavity inside between through-hole and the direction guard barrel, and the size of grafting rubber piece is the same with the size of the cavity of corresponding setting simultaneously.

Preferably, the cooling assembly comprises a liquid storage tank, and the liquid storage tank is provided with two, and two liquid storage tanks pass through mounting bracket and connecting bolt simultaneously and are connected with transformer body side, and liquid storage tank upper end one side that one side set up is provided with the inlet, and liquid storage tank front lower extreme is provided with first conveyer pipe, installs first delivery pump on the first conveyer pipe simultaneously, and the positive upper end of liquid storage tank that the opposite side set up is provided with the second conveyer pipe, and is provided with the second delivery pump on the second conveyer pipe, and the second conveyer pipe passes through the condenser pipe simultaneously and is connected with first conveyer pipe, the condenser pipe is the S type and puts between the radiating fin that openly set up, and condenser pipe outside symmetry is provided with positioning baffle, and positioning baffle can dismantle with radiating fin simultaneously and be connected.

Preferably, the liquid storage tank outside that the opposite side set up is provided with the fluid-discharge tube, and the fluid-discharge tube passes through the liquid return pipe and is connected with the liquid storage tank rear side that one side set up, installs the circulating pump on the liquid return pipe simultaneously.

Preferably, the positive both sides of protection box have the protection chamber door through hinge connection, and the inside lower extreme equidistance of protection box is provided with a plurality of block pieces, and the block piece is connected with the block groove block simultaneously, the inside lower extreme bilateral symmetry of protection box is provided with spacing, and two spacing are located the base outside, and spacing upper end is connected with the base through first fixing bolt simultaneously, protection box lower extreme bilateral symmetry is provided with the auto-lock gyro wheel.

Preferably, the protection box lower extreme outside is provided with locating component, and locating component includes location underframe, inserts ground nail and second fixing bolt, the location underframe is U type structure, and location underframe lower extreme bottom is provided with a plurality of ground nails of inserting, and location underframe upper end side is connected with protection box lower extreme side through the second fixing bolt simultaneously, the inboard bottom of location underframe is laminated with the auto-lock gyro wheel bottom, and the auto-lock gyro wheel is located the adjacent ground nail that inserts that sets up in the middle of.

Preferably, the radiating component comprises a mounting frame, a ventilation screen plate, a driving motor, a positioning frame, a rotating shaft, fan blades and a cleaning brush, wherein the mounting frame is of a return structure, the mounting frame is connected with a limiting opening formed in one side of a protective box body, the ventilation screen plate is symmetrically mounted on two sides of the mounting frame, one side of the inside of the mounting frame is connected with the driving motor through the positioning frame, the output end of the driving motor is connected with the rotating shaft, the fan blades and the cleaning brush are arranged on the rotating shaft, and the cleaning brush is attached to the inner wall of the ventilation screen plate arranged on one side of the cleaning brush.

Preferably, the installation frame is close to transformer body one side symmetry and is provided with the locating piece, and the locating piece is connected with the grafting pole one end block that corresponds the setting, and the grafting pole other end runs through the protection box simultaneously and is connected with the inside spliced eye of seting up of the protection baffle that corresponds the setting, the protection baffle outside is connected with the protection box outside through the stiffener that the symmetry set up, and the protection baffle inboard is provided with positioning bolt, and the positioning bolt top runs through the protection baffle and is connected with the grafting pole that corresponds the setting.

Preferably, the inlet wire protection subassembly top is provided with the protection roof, and protection roof lower extreme both sides are connected with the protection box top through the support column.

Compared with the prior art, the invention has the beneficial effects that the dry-type transformer with the incoming line protection structure,

(1) In order to solve the problem that the existing dry type transformer cannot protect the electric wires, so that the high-voltage electric wires are easy to attach to the electric wires mutually, and safety accidents occur, the application is provided with the wire inlet protection assembly and the protection top plate, the wire inlet protection assembly is convenient for carrying out directional wire inlet on the high-voltage electric wires and the electric wires, attaching and winding are avoided, safety accidents are avoided, and meanwhile, the protection top plate is arranged, so that the wire inlet protection assembly is convenient to protect, and the use protection performance is improved;

(2) In order to solve the problems that a dry type transformer can generate certain heat when in work, the heat dissipation condition is poor, the heat is easy to accumulate, and if the heat is not timely dissipated and cooled, the dry type transformer is easy to cause short circuit and cannot work normally, the condensate in the liquid storage tank is circularly conveyed through the first conveying pipe, the condensing pipe and the second conveying pipe by the first conveying pump and the second conveying pump, so that the condensate takes away the heat emitted from the dry type transformer body, the heat of the transformer body is further reduced, the normal work of the transformer body is ensured, meanwhile, the condensate can be recycled under the action of the return pipe and the circulating pump, the use practicability is improved, and the heat dissipation effect is improved;

(3) In order to solve the problems that the dry type transformer can generate certain heat when in work, the heat dissipation condition is poor, the heat is easy to accumulate, and the dry type transformer is easy to cause short circuit and cannot work normally if not in time for heat dissipation and temperature reduction, the application is provided with the shutter and the heat dissipation assembly, and the connecting shaft, the fan blades and the cleaning brush are driven by the driving motor to rotate synchronously, so that external air passes through the shutter and enters the inside of the protection box body after being filtered by the dustproof screen plate, thereby accelerating the air circulation in the protection box body, accelerating the heat dissipation effect and being beneficial to ensuring the normal work of the transformer body;

(4) In order to solve the problems that the existing dry-type transformer is large in size, a hanging ring is arranged at the upper end of the dry-type transformer and is used for hanging the dry-type transformer, but when the dry-type transformer is carried on a plane, a hanging device is used for hanging and carrying, and resources are wasted.

Drawings

FIG. 1 is a schematic diagram of a front cross-sectional structure of the present invention;

FIG. 2 is a schematic diagram of the front view of the transformer body of the present invention;

FIG. 3 is a schematic diagram of the front view of the positioning assembly of the present invention;

FIG. 4 shows a heat dissipating assembly according to the present invention schematic diagram of a cross-sectional structure in elevation;

FIG. 5 is a schematic diagram of a front cross-sectional view of the wire inlet protection assembly of the present invention;

fig. 6 is a schematic diagram of the front view structure of the present invention.

In the figure, 1, a transformer body; 2, a base, 201, a ventilation strip hole, 202, a clamping groove, 3, a radiating fin, 4, a cooling component, 401, a liquid storage tank, 402, a liquid inlet, 403, a first conveying pipe, 404, a first conveying pump, 405, a condensing pipe, 406, a second conveying pipe, 407, a second conveying pump, 408, a liquid discharge pipe, 5, a positioning baffle, 6, a protective box body, 601, a protective box door, 602, a clamping block, 603, a limiting frame, 604, a first fixing bolt, 605, a self-locking roller, 7, a positioning component, 701, a positioning bottom frame, 702, a ground pin, 703, a second fixing bolt, 8, a shutter, 9, a positioning bracket, 10, a dustproof screen, 11, a radiating component, 1101, a mounting frame, 1102, a ventilation screen, 1103, a driving motor, 1104, a positioning frame, 1206, a rotating shaft, 1106, a fan blade, 1107, a cleaning brush, 1108, a positioning block 1109, a plug rod, 1110, a protective baffle, 1111, a plug hole, 1112, a reinforcing rod, 1113, a positioning bolt, 12, a protective frame 1202, a positioning frame, a fixing bolt, 703, a positioning block, a fixing bolt, a fixing support, a mounting bracket, 1201, a fixing guide block, a fixing bolt, a guide cylinder, a fixing support, a mounting bracket, a position fixing bolt, a position, a guide cylinder, a mounting bracket, a position, and a position fixing bolt, and a guide cylinder.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-6, the present invention provides a dry-type transformer with an incoming line protection structure, wherein the bottom of a transformer body 1 is connected with the upper end of a base 2, a plurality of ventilation strip holes 201 are equidistantly formed on the upper end of the front surface of the base 2, a plurality of clamping grooves 202 are formed on the bottom of the lower end of the base 2, a plurality of heat dissipation fins 3 are equidistantly formed on both sides of the front surface and the back surface of the transformer body 1, and a cooling assembly 4 is arranged on the outer side of the transformer body 1 according to the technical scheme shown in fig. 1 and 2.

Specifically, the cooling module 4 includes the liquid reserve tank 401, and the liquid reserve tank 401 is provided with two, two liquid reserve tanks 401 are connected with the transformer body 1 side through mounting bracket and connecting bolt simultaneously, liquid reserve tank 401 upper end one side that one side set up is provided with inlet 402, and liquid reserve tank 401 front lower extreme is provided with first conveyer pipe 403, install first delivery pump 404 on the first conveyer pipe 403 simultaneously, the liquid reserve tank 401 front upper end that the opposite side set up is provided with the second conveyer pipe 406, and be provided with second delivery pump 407 on the second conveyer pipe 406, second conveyer pipe 406 passes through condenser pipe 405 and is connected with first conveyer pipe 403 simultaneously, condenser pipe 405 is the S type and puts between the radiating fin 3 of openly setting, and condenser pipe 405 outside symmetry is provided with positioning baffle 5, positioning baffle 5 and radiating fin 3 can be dismantled simultaneously and be connected, through positioning baffle 5, be convenient for carry out spacingly to the condenser pipe 405 that radiating fin 3 inside set up, prevent that condenser pipe 405 from removing, influence cooling effect, the liquid reserve tank 401 outside that the opposite side set up is provided with the drain pipe, and drain pipe 408 is connected with the circulating pump 408 through the liquid reserve tank 401 that one side that sets up, the circulating pump is installed to the side after the drain pipe is connected with.

During the use, add the condensate in to liquid reserve tank 401 through inlet 402, then start first delivery pump 404 and second delivery pump 407 for the condensate carries in condenser pipe 405, cools down cooling to transformer body 1, thereby accelerates the radiating effect, is favorable to guaranteeing the normal work of transformer body 1, simultaneously through the circulating pump, makes the inside condensate of opposite side liquid reserve tank 401 carry to liquid reserve tank 401 again through fluid-discharge tube 408 and liquid return pipe in, carries out the reuse, improves the utilization ratio of using.

According to the illustration of fig. 1, fig. 3 and fig. 6, transformer body 1 sets up in the middle of the inside of protection box 6, protection box 6 openly both sides have protection chamber door 601 through hinge connection, and the inside lower extreme equidistance of protection box 6 is provided with a plurality of block 602, simultaneously block 602 and block 202 block are connected, the inside lower extreme bilateral symmetry of protection box 6 is provided with spacing 603, and two spacing 603 are located the base 2 outside, spacing 603 upper end is connected with base 2 through first fixing bolt 604 simultaneously, be connected through block 602 and block 202 block, be convenient for carry out the location to the position that transformer body 1 put, then rethread spacing 603 and first fixing bolt 604, further put the position to transformer body 1 and carry out spacingly, improve the steadiness that transformer body 1 put, protection box 6 lower extreme bilateral symmetry is provided with the auto-lock gyro wheel 605, be convenient for wholly remove transformer body 1 and protection box 6, improve the convenience of transport, the outside is provided with locating component 7 in the protection box 6 lower extreme outside, and locating component 7 includes that locating component 7 is connected with base 2 through first fixing bolt 604, bottom frame 703 and second bottom frame 702 are located the bottom frame 702, bottom frame 702 is adjacent to bottom frame 702, bottom frame 702 is located the side down side fixing bolt position 701, bottom frame 702 is adjacent bottom frame 702, bottom frame 702 is located bottom frame 702 bottom side fixing frame 702 is located bottom side frame 702 side end bottom plate position of the side, bottom plate position of the position is, bottom frame 702 is easy to move.

During the use, firstly through inserting the ground nail 702, fix the location underframe 701 subaerial when the transformer body 1 uses, then rethread auto-lock gyro wheel 605 drives the whole removal of transformer body 1 and protective housing 6 for auto-lock gyro wheel 605 is located the adjacent ground nail 702 centre that sets up and makes location underframe 701 upper end side and protective housing 6 lower extreme side laminating simultaneously, then rotates second fixing bolt 703 again, makes location underframe 701 and protective housing 6 be connected fixedly, thereby the steadiness when improving the use.

According to the illustration of fig. 1, fig. 4 and fig. 6, the shutter 8 is installed to protection box 6 one side, through shutter 8, be convenient for exchange outside air and the inside air of protection box 6, dispel the heat to the heat that transformer body 1 produced when the during operation, and shutter 8 inboard symmetry is provided with locating support 9, be provided with dustproof otter board 10 between two locating supports 9 simultaneously, through dustproof otter board 10, be convenient for filter the gas that gets into protection box 6 inside, avoid the dust to get into in the protection box 6, influence transformer body 1 work, protection box 6 opposite side is provided with radiator unit 11.

Specifically, the heat dissipation subassembly 11 includes mounting frame 1101, ventilation otter board 1102, driving motor 1103, positioning frame 1104, the axis of rotation 1105, flabellum 1106 and cleaning brush 1107, mounting frame 1101 is back type structure, and the spacing mouth that mounting frame 1101 and protection box 6 one side were seted up is connected, simultaneously mounting frame 1101 bilateral symmetry installs ventilation otter board 1102, inside one side of mounting frame 1101 passes through positioning frame 1104 and driving motor 1103 is connected, and driving motor 1103's output and axis of rotation 1105 are connected, be provided with flabellum 1106 and cleaning brush 1107 on the axis of rotation 1105 simultaneously, cleaning brush 1107 is laminated with the ventilation otter board 1102 inner wall that one side set up, through cleaning brush 1107, be convenient for clear up impurity and dust of adhesion on the ventilation otter board 1102 of corresponding setting, the ventilation effect when improving the use, mounting frame 1101 is close to transformer body 1 one side symmetry and is provided with locating piece 1108, and locating piece 1108 is connected with the jack 1109 one end block of corresponding setting, the jack rod 1109 other end runs through protection box 6 and the jack 1111 connection of the inside the setting up of protection baffle 1110 simultaneously, the baffle outside is connected with protection box 1110 outside through the reinforcing rod 1110 that the symmetry setting up, and protection box 1110 inboard 1110, be provided with flabellum 1113, and the jack 1103 is convenient for use and the setting up and jack-up position is put the jack-up with the jack-up position is located 1101, and is convenient for use to carry out the jack-up between the setting up and the jack-up and the position has the jack-up.

When the fan is used, the driving motor 1103 is started to drive the rotating shaft 1105 to rotate, so that the rotating shaft 1105 drives the fan blades 1106 and the cleaning brush 1107 to synchronously rotate, external air is conveyed to the inside of the protective box 6 through the ventilation screen 1102 by the aid of suction generated by rotation of the fan blades 1106, airflow flow rate is improved, heat dissipation effect is improved, meanwhile, impurities and dust adhered to the ventilation screen 1102 which are correspondingly arranged are cleaned by rotation of the cleaning brush 1107, and ventilation quantity is increased.

According to the figures 1, 5 and 6, the top of the protective box 6 is provided with a wire inlet protection component 12, the wire inlet protection component 12 comprises a positioning frame 1201, the positioning frame 1201 is of a T-shaped structure, two sides of the upper end of the positioning frame 1201 are connected with the upper end of the protective box 6 through a third fixing bolt 1202, a through hole is formed in the middle of the inside of the positioning frame 1201, movable sliding grooves 1203 are symmetrically arranged on two sides of the inside of the through hole, a plurality of guide protection barrels 1204 are equidistantly arranged between the movable sliding grooves 1203, the outer side of the guide protection barrels 1204 are in sliding connection with the movable sliding grooves 1203 through sliding blocks, the high-voltage wires and the high-voltage wires are conveniently led into wires in a directional manner through the movable guide protection barrels 1204, the high-voltage wires and the high-voltage wires are prevented from being wound to cause a safety accident, a positioning clamping seat 1205 is arranged at the upper end of the positioning frame 1201, a plurality of positioning holes are formed in the positioning clamping seat 1205, meanwhile, the position of the positioning hole is correspondingly arranged with the position of the guide protection barrel 1204, the bottom of the lower end of the positioning clamping seat 1205 is provided with a plurality of plug rubber blocks 1206, the plug rubber blocks 1206 are positioned in the cavity between the through hole and the guide protection barrel 1204, the size of the plug rubber blocks 1206 is the same as that of the corresponding cavity, the guide protection barrel 1204 is conveniently limited and protected at the same time by the matching of the positioning clamping seat 1205 and the plug rubber blocks 1206, the protection performance is improved, the protection top plate 13 is arranged above the wire inlet protection assembly 12, the two sides of the lower end of the protection top plate 13 are connected with the top of the protection box 6 through the supporting columns 14, the protection of the upper part of the wire inlet protection assembly 12 is facilitated through the protection top plate 13, and the damage to the transformer body 1 caused by rainwater entering the inside the protection box 6 through a gap between the wire inlet protection assembly 12 and the protection box 6 is prevented, the protection of the use is improved.

When the transformer is used, the guide protection barrel 1204 is moved firstly, the position of the guide protection barrel 1204 is positioned, then the inserted rubber block 1206 is inserted into the cavity between the through hole and the guide protection barrel 1204 which are correspondingly arranged, the upper end of the guide protection barrel 1204 is clamped with the positioning hole formed in the positioning clamping seat 1205, and the high-voltage wire respectively penetrate through the guide protection barrel 1204 which are correspondingly arranged to be connected with the transformer body 1, so that the transformer body 1 is not easy to wind when in operation.

The terms "center," "longitudinal," "transverse," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used for descriptive simplicity and convenience only and not as an indication or implying that the apparatus or element being referred to must have a particular orientation, be constructed and operated for a particular orientation, based on the orientation or positional relationship illustrated in the drawings, and thus should not be construed as limiting the scope of the present invention.

Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.

Claims

1. A dry-type transformer with an incoming line protection structure, comprising a transformer body (1), characterized in that:

The bottom of the transformer body (1) is connected to the upper end of the base (2), and a plurality of ventilation strip holes (201) are equidistantly provided on the upper end of the front side of the base (2), and a plurality of engaging grooves (202) are provided on the bottom of the lower end of the base (2). A plurality of heat dissipation fins (3) are equidistantly provided on both sides of the front and back sides of the transformer body (1), and a cooling component (4) is provided on the outer side of the transformer body (1). The transformer body (1) is arranged in the middle of the protective box (6), a shutter (8) is installed on one side of the protective box (6), and positioning brackets (9) are symmetrically provided on the inner side of the shutter (8), and a dustproof screen (10) is provided between the two positioning brackets (9), a heat dissipation component (11) is provided on the other side of the protective box (6), and an incoming line protection component (12) is provided on the top of the protective box (6), and the incoming line protection component (12) includes a positioning frame (1201), the positioning frame (1201) is a T-shaped structure, and the positioning frame (1201) ) are connected to the upper end of the protection box (6) by third fixing bolts (1202), and a through hole is opened in the middle of the positioning frame (1201), and movable slide grooves (1203) are symmetrically arranged on both sides of the through hole, and a plurality of guide protection cylinders (1204) are equidistantly arranged between the movable slide grooves (1203), and the outer side of the guide protection cylinder (1204) is slidably connected to the movable slide groove (1203) through a slider, and the upper end of the positioning frame (1201) is provided with A positioning card seat (1205) is provided with a plurality of positioning holes, and the positions of the positioning holes are arranged corresponding to the positions of the guide protection tube (1204); a plurality of plug-in rubber blocks (1206) are arranged at the bottom of the lower end of the positioning card seat (1205), and the plug-in rubber blocks (1206) are located inside the cavity between the through hole and the guide protection tube (1204), and the size of the plug-in rubber blocks (1206) is the same as the size of the corresponding cavity.

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

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

4. The dry-type transformer with an incoming line protection structure as described in claim 1 is characterized in that: the front sides of the protection box (6) are connected with protection box doors (601) by hinges, and a plurality of snap-fit blocks (602) are equidistantly arranged at the lower end of the interior of the protection box (6), and the snap-fit blocks (602) are snap-fitted and connected with the snap-fit grooves (202), and the limiting frames (603) are symmetrically arranged on both sides of the lower end of the interior of the protection box (6), and the two limiting frames (603) are located on the outside of the base (2), and the upper ends of the limiting frames (603) are connected to the base (2) by first fixing bolts (604), and self-locking rollers (605) are symmetrically arranged on both sides of the lower end of the protection box (6).

5. The dry-type transformer with an incoming line protection structure as described in claim 1 is characterized in that: a positioning component (7) is arranged on the outer side of the lower end of the protection box body (6), and the positioning component (7) includes a positioning bottom frame (701), a ground nail (702) and a second fixing bolt (703), the positioning bottom frame (701) is a U-shaped structure, and a plurality of ground nails (702) are arranged at the bottom of the lower end of the positioning bottom frame (701), and at the same time, the upper side of the positioning bottom frame (701) is connected to the lower side of the protection box body (6) through the second fixing bolt (703), the inner bottom end of the positioning bottom frame (701) is in contact with the bottom of the self-locking roller (605), and the self-locking roller (605) is located in the middle of the adjacently arranged ground nails (702).

6. The dry-type transformer with an incoming line protection structure according to claim 1, characterized in that: the heat dissipation component (11) comprises a mounting frame (1101), a ventilation mesh plate (1102), a drive 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 circular structure, and the mounting frame (1101) is connected to a limit opening opened on one side of the protection box (6), and Ventilation mesh plates (1102) are symmetrically installed on both sides of the installation frame (1101), one side of the interior of the installation frame (1101) is connected to the driving motor (1103) through a positioning frame (1104), and the output end of the driving motor (1103) is connected to the rotating shaft (1105), and the rotating shaft (1105) is provided with fan blades (1106) and a cleaning brush (1107), and the cleaning brush (1107) is in contact with the inner wall of the ventilation mesh plate (1102) arranged on one side.

7. A dry-type transformer with an incoming line protection structure as described in claim 6, characterized in that: a positioning block (1108) is symmetrically arranged on one side of the installation frame (1101) close to the transformer body (1), and the positioning block (1108) is engaged with one end of a correspondingly arranged plug-in rod (1109), and at the same time, the other end of the plug-in rod (1109) passes through the protection box (6) and is connected to a plug-in hole (1111) opened inside the correspondingly arranged protection baffle (1110), and the outer side of the protection baffle (1110) is connected to the outer side of the protection box (6) through a symmetrically arranged reinforcing rod (1112), and a positioning bolt (1113) is arranged on the inner side of the protection baffle (1110), and the top of the positioning bolt (1113) passes through the protection baffle (1110) and is connected to the correspondingly arranged plug-in rod (1109).

8. The dry-type transformer with an incoming line protection structure according to claim 1 is characterized in that a protective top plate (13) is arranged above the incoming line protection component (12), and the lower ends of the protective top plate (13) are connected to the top of the protective box (6) through support columns (14) on both sides.