CN215578069U - Oil-immersed power transformer with good heat dissipation - Google Patents

Abstract

The utility model discloses an oil-immersed power transformer with good heat dissipation, which adopts the technical scheme that: the transformer comprises a shell, wherein a transformer body is arranged in the shell, the front side and the rear side of the transformer body are respectively and fixedly connected with the front side and the rear side of an inner cavity of the shell, a heat dissipation mechanism is arranged in the shell, and the heat dissipation mechanism extends out of the shell, and the transformer has the beneficial effects that: through heat dissipation mechanism's design, when seting up the louvre on transformer case body, still utilize the fan to inhale outside gas, discharge the heat in the device through other hole grooves afterwards, the inside air flow speed of device has been accelerated, and in the time of the air suction, still reciprocate the mouth of pipe, it is more even that the messenger inspiratory wind can blow in the device, make all directions in the device all can obtain effectual heat dissipation, avoided traditional approach directly to set up the louvre on the casing and lead to the circumstances that the radiating effect is not good to take place.

Description

Oil-immersed power transformer with good heat dissipation

Technical Field

The utility model relates to the technical field of heat dissipation of oil-immersed power transformers, in particular to an oil-immersed power transformer with good heat dissipation.

Background

At present, transformers are used more in the living field of people, and at present, the transformers are mainly divided into dry transformers and oil-immersed transformers, and structurally, the oil-immersed transformers can be divided into iron core transformers and iron shell transformers, and if the windings are arranged on the periphery of an iron core, the windings are divided into the iron core transformers; if the iron core is wrapped on the periphery of the winding, an iron shell type transformer is adopted, the iron shell type transformer and the iron shell type transformer are slightly different in structure, and no essential difference exists in principle.

The prior art has the following defects: present oily formula is generally derived the heat inside the transformer for heat-conducting medium with high-pressure heat conduction insulating oil, but to the oil duct heat dissipation, because the oil tank has been placed to inside, it is easily fired relatively, and need carry out the maintenance of regularity, it is more time-consuming and energy-consuming, and general transformer only carries out the trompil on the casing, carry out the circulation of air through the hole groove and dispel the heat, this type of method radiating effect is comparatively general, and then the radiating effect can receive and carry out an influence under the windless condition of weather, when meetting extreme weather such as overcast and rainy simultaneously, the rainwater probably drips into the transformer inside through the louvre, cause the damage of potential safety hazard and transformer easily, cause unnecessary economic loss.

Therefore, it is necessary to provide an oil-immersed power transformer with good heat dissipation.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides an oil-immersed power transformer with good heat dissipation, through the design of a heat dissipation mechanism, when heat dissipation holes are formed in the outer shell of the transformer, external air is sucked by a fan, and then heat in the device is discharged through other hole grooves, so that the air flow speed in the device is accelerated, the purpose of quickly cooling is achieved, and the problem of poor heat dissipation effect caused by the fact that the heat dissipation holes are directly formed in the shell in the traditional method is solved.

In order to achieve the above purpose, the utility model provides the following technical scheme: an oil-immersed power transformer with good heat dissipation performance comprises a shell, wherein a transformer body is arranged inside the shell, the front side and the rear side of the transformer body are fixedly connected with the front side and the rear side of an inner cavity of the shell respectively, a heat dissipation mechanism is arranged inside the shell, and the heat dissipation mechanism extends out of the shell;

the heat dissipation mechanism comprises a motor, the motor is fixedly connected with a first rotating rod through an output shaft, the first rotating rod penetrates through the shell and is connected with the shell through a bearing, a round pipe is arranged inside the shell, a filter screen is fixedly arranged inside the round pipe, the round pipe penetrates through one side wall of the shell and extends out of the shell, a second rotating rod is arranged inside the round pipe, penetrates through one side wall of the shell and extends out of the shell, the second rotating rod is connected with the shell through the bearing, a plurality of fan blades are fixedly arranged outside the second rotating rod, a first sleeve is arranged outside the first rotating rod, the first sleeve is connected with the first rotating rod through a one-way bearing, a first belt pulley is fixedly arranged outside the first sleeve, a second belt pulley is fixedly arranged outside the second rotating rod, and a first belt is arranged between the first belt pulley and the second belt pulley, the first belt penetrates through the circular tube and extends out of the circular tube, the first belt pulley is connected with the second belt pulley through the first belt, a hose is fixedly arranged on one side of the circular tube, a transverse plate is fixedly arranged on one side of the hose, a second sleeve is arranged outside the first rotating rod and connected with the first rotating rod through a one-way bearing, a circular plate is fixedly arranged outside the second sleeve, a plurality of knocking plates are fixedly arranged outside the circular plate, and the knocking plates are arranged at the bottom of the transverse plate;

the heat dissipation mechanism further comprises an auxiliary assembly, the auxiliary assembly comprises a third rotating rod, the third rotating rod is arranged inside the shell, one side of the third rotating rod is connected with one side wall of an inner cavity of the shell through a bearing, one side of the third rotating rod is fixedly connected with a reciprocating lead screw, the reciprocating lead screw penetrates through one side wall of the shell and extends out of the shell, a bearing seat is sleeved outside the reciprocating lead screw, the bearing seat is connected with the reciprocating lead screw through a ball nut pair, one side wall of the inner cavity of the shell is provided with a sliding groove, one side of the sliding groove is provided with a first baffle, one side of the first baffle is provided with an inclined rod, the first baffle is movably connected with one side of the inclined rod through a movable hinged support, the inclined rod is arranged at the bottom of the bearing seat, and the top of the inclined rod is movably connected with the bottom of the bearing seat through a movable hinged support;

the heat dissipation mechanism further comprises an auxiliary component, the auxiliary component comprises a sliding block, one side of the sliding block is fixedly connected with one side of the first baffle, and the sliding block is arranged inside the sliding groove.

Preferably, a lateral wall of the inner cavity of the shell is fixedly connected with a supporting plate, a vertical plate is fixedly arranged at the bottom of the supporting plate, the vertical plate penetrates through the top of the circular tube and extends into the circular tube, and the second rotating rod penetrates through the vertical plate and is connected with the vertical plate through a bearing.

Preferably, the bottom of the supporting plate is further fixedly provided with a telescopic rod, a spring is fixedly arranged outside the telescopic rod, a fixing plate is fixedly arranged at the top of the circular tube, and the bottom of the telescopic rod is movably connected with the top of the fixing plate through a movable hinged support.

Preferably, the first rotating rod is further provided with a third sleeve outside, the third sleeve is connected with the first rotating rod through a one-way bearing, a third belt pulley is fixedly arranged outside the third sleeve, a fourth belt pulley is fixedly arranged outside the reciprocating screw rod, a second belt is arranged between the third belt pulley and the fourth belt pulley, and the third belt pulley and the fourth belt pulley are connected through the second belt.

Preferably, the cross slot has been seted up at casing inner chamber top, bearing frame top valley bottom is equipped with the connecting plate, the fixed movable block that is equipped with in connecting plate top, the movable block is located inside the cross slot, movable block one side fixedly connected with L shaped plate, first louvre has been seted up at the casing top, inside the L shaped plate runs through a cross slot lateral wall and extends into first louvre, L shaped plate top fixedly connected with second baffle, second baffle bottom contacts with the casing top, the fixed otter board that is equipped with in second baffle one side, the second louvre has been seted up to casing one side, the third louvre has been seted up to the casing.

Preferably, the rainwater sensor is fixedly arranged at the top of the shell, the programmable PLC is fixedly arranged at the bottom of the inner cavity of the shell, the output end of the programmable PLC is connected with the D/A converter, the D/A converter is electrically connected with the motor, the input end of the programmable PLC is connected with the A/D converter, and the A/D converter is electrically connected with the rainwater sensor.

Preferably, the auxiliary component comprises a pulley, one side of the pulley is fixedly connected with one side of the first baffle, and the pulley is arranged inside the sliding groove.

The utility model has the beneficial effects that:

1. according to the utility model, through the design of the heat dissipation mechanism, when the heat dissipation holes are formed in the transformer outer shell, the fan is used for sucking external air, and then the heat in the device is discharged through other hole grooves, so that the air flow speed in the device is accelerated, and when air is sucked, the pipe orifice is moved up and down, so that the sucked air can be blown more uniformly in the device, all directions in the device can be effectively dissipated, and the condition that the heat dissipation effect is poor due to the fact that the heat dissipation holes are directly formed in the shell in the traditional method is avoided;

2. according to the utility model, through the design of the auxiliary assembly, when the device meets extreme weather such as rain, the heat dissipation holes can be shielded through the internal device, so that rainwater cannot enter the device to influence the internal device, and when the weather is good, the device is opened through the auxiliary assembly, so that unnecessary economic loss is reduced.

Drawings

FIG. 1 is a schematic view of the overall structure provided by the present invention;

FIG. 2 is a perspective view of a striking plate provided by the present invention;

FIG. 3 is a schematic diagram of a control system according to the present invention;

FIG. 4 is a schematic structural diagram of embodiment 2 of the present invention;

in the figure: 1 casing, 2 transformer bodies, 3 motors, 4 first rotating rods, 5 round pipes, 6 filter screens, 7 second rotating rods, 8 fan blades, 9 first sleeves, 10 first belt pulleys, 11 second belt pulleys, 12 first belts, 13 hoses, 14 transverse plates, 15 second sleeves, 16 circular plates, 17 knocking plates, 18 third rotating rods, 19 reciprocating screw rods, 20 bearing seats, 21 sliding grooves, 22 first baffle plates, 23 inclined rods, 24 sliding blocks, 25 supporting plates, 26 third sleeves, 27 transverse grooves, 28 second baffle plates, 29 rain sensors, 30 Programmable Logic Controllers (PLC) and 31 pulleys.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Embodiment 1, with reference to fig. 1 to 3, the oil-immersed power transformer with good heat dissipation provided by the utility model includes a housing 1, a transformer body 2 is arranged inside the housing 1, the front side and the rear side of the transformer body 2 are respectively fixedly connected with the front side and the rear side of an inner cavity of the housing 1, a heat dissipation mechanism is arranged inside the housing 1, and the heat dissipation mechanism extends out of the housing 1;

the heat dissipation mechanism comprises a motor 3, the motor 3 is fixedly connected with a first rotating rod 4 through an output shaft, the first rotating rod 4 penetrates through a shell 1 and is connected with the shell 1 through a bearing, a round pipe 5 is arranged inside the shell 1, a filter screen 6 is fixedly arranged inside the round pipe 5, the round pipe 5 penetrates through one side wall of the shell 1 and extends out of the shell 1, a second rotating rod 7 is arranged inside the round pipe 5, the second rotating rod 7 penetrates through one side wall of the shell 1 and extends out of the shell 1, the second rotating rod 7 is connected with the shell 1 through a bearing, a plurality of fan blades 8 are fixedly arranged outside the second rotating rod 7, a first sleeve 9 is arranged outside the first rotating rod 4, the first sleeve 9 is connected with the first rotating rod 4 through a one-way bearing, a first belt pulley 10 is fixedly arranged outside the first sleeve 9, a second belt pulley 11 is fixedly arranged outside the second rotating rod 7, a first belt 12 is arranged between the first belt pulley 10 and the second belt pulley 11, the first belt 12 penetrates through the circular tube 5 and extends out of the circular tube 5, the first belt pulley 10 and the second belt pulley 11 are connected through the first belt 12, a hose 13 is further fixedly arranged on one side of the circular tube 5, a transverse plate 14 is fixedly arranged on one side of the hose 13, a second sleeve 15 is arranged outside the first rotating rod 4, the second sleeve 15 is connected with the first rotating rod 4 through a one-way bearing, a circular plate 16 is fixedly arranged outside the second sleeve 15, a plurality of knocking plates 17 are fixedly arranged outside the circular plate 16, and the knocking plates 17 are arranged at the bottom of the transverse plate 14;

the heat dissipation mechanism further comprises an auxiliary assembly, the auxiliary assembly comprises a third rotating rod 18, the third rotating rod 18 is arranged inside the shell 1, one side of the third rotating rod 18 is connected with one side wall of the inner cavity of the shell 1 through a bearing, one side of the third rotating rod 18 is fixedly connected with a reciprocating screw rod 19, the reciprocating screw rod 19 penetrates through one side wall of the shell 1 and extends out of the shell 1, a bearing seat 20 is sleeved outside the reciprocating screw rod 19, the bearing seat 20 is connected with the reciprocating screw rod 19 through a ball nut pair, a sliding groove 21 is arranged on one side wall of the inner cavity of the shell 1, a first baffle 22 is arranged on one side of the sliding chute 21, an inclined rod 23 is arranged on one side of the first baffle 22, the first baffle 22 is movably connected with one side of the inclined rod 23 through a movable hinged support, the inclined rod 23 is arranged at the bottom of the bearing block 20, and the top of the inclined rod 23 is movably connected with the bottom of the bearing block 20 through the movable hinged support;

the heat dissipation mechanism further comprises an auxiliary component, the auxiliary component comprises a sliding block 24, one side of the sliding block 24 is fixedly connected with one side of the first baffle 22, and the sliding block 24 is arranged inside the sliding groove 21;

furthermore, a supporting plate 25 is fixedly connected to one side wall of the inner cavity of the shell 1, a vertical plate is fixedly arranged at the bottom of the supporting plate 25, the vertical plate penetrates through the top of the circular tube 5 and extends into the circular tube 5, the second rotating rod 7 penetrates through the vertical plate and is connected with the vertical plate through a bearing, and the vertical plate and the supporting plate 25 can support the second rotating rod 7;

furthermore, the bottom of the supporting plate 25 is also fixedly provided with a telescopic rod, a spring is fixedly arranged outside the telescopic rod, the top of the circular tube 5 is fixedly provided with a fixed plate, the bottom of the telescopic rod is movably connected with the top of the fixed plate through a movable hinged support, and the telescopic rod can keep the circular tube 5 to be restored to an initial state after moving;

further, a third sleeve 26 is further arranged outside the first rotating rod 4, the third sleeve 26 is connected with the first rotating rod 4 through a one-way bearing, a third belt pulley is fixedly arranged outside the third sleeve 26, a fourth belt pulley is fixedly arranged outside the reciprocating screw rod 19, a second belt is arranged between the third belt pulley and the fourth belt pulley, the third belt pulley and the fourth belt pulley are connected through a second belt, and the first rotating rod 4 can drive the reciprocating screw rod 19 to rotate through the third belt pulley and the fourth belt pulley;

further, a transverse groove 27 is formed in the top of an inner cavity of the housing 1, a connecting plate is arranged at the valley bottom of the top of the bearing seat 20, a movable block is fixedly arranged at the top of the connecting plate and arranged inside the transverse groove 27, an L-shaped plate is fixedly connected to one side of the movable block, a first heat dissipation hole is formed in the top of the housing 1, the L-shaped plate penetrates through the side wall of the transverse groove 27 and extends into the first heat dissipation hole, a second baffle 28 is fixedly connected to the top of the L-shaped plate, the bottom of the second baffle 28 is in contact with the top of the housing 1, a net plate is fixedly arranged on one side of the second baffle 28, a second heat dissipation hole is formed in one side of the housing 1, a third heat dissipation hole is formed in the housing 1, the second baffle 28 can shield the first heat dissipation hole in rainy weather, and external dust can be prevented from falling into the housing 1 by the net plate;

furthermore, rainwater sensor 29 is fixedly arranged at the top of housing 1, programmable PLC30 is fixedly arranged at the bottom of the inner cavity of housing 1, the output end of programmable PLC30 is connected with a D/A converter, the D/A converter is electrically connected with motor 3, the input end of programmable PLC30 is connected with an A/D converter, the A/D converter is electrically connected with rainwater sensor 29, and the type of rainwater sensor 29 is HDC-RY-YX.

The using process of the utility model is as follows: when the utility model is used, firstly, the motor 3 is connected with an external power supply, because the first sleeve 9, the second sleeve 15 and the third sleeve 26 are respectively connected with the first rotating rod 4 through one-way bearings, when the motor 3 rotates forwards, the first rotating rod 4 respectively drives the first belt pulley 10 and the circular plate 16 to rotate, the third belt pulley does not rotate, when the motor 3 rotates backwards, the first belt pulley 10 and the circular plate 16 do not rotate, the first rotating rod 4 drives the third belt pulley to rotate, when no rain falls in the outside air, the rain sensor 29 transmits a signal to the programmable PLC30, the programmable PLC30 controls the motor 3 to rotate forwards, the motor 3 works to drive the first rotating rod 4 to rotate, the first rotating rod 4 drives the first sleeve 9 to rotate, the first sleeve 9 drives the first belt pulley 10 to rotate, the first belt pulley 10 drives the first belt 12 to rotate, the first belt 12 drives the second belt pulley 11 to rotate, the second belt pulley 11 drives the second rotating rod 7 to rotate, the second rotating rod 7 drives the fan blade 8 to rotate, external air is sucked, dust in the air is filtered by the filter screen 6, meanwhile, the first rotating rod 4 drives the second sleeve 15 to rotate, the second sleeve 15 drives the circular plate 16 to rotate, the circular plate 16 drives the knocking plate 17 to rotate, the knocking plate 17 knocks the horizontal plate 14, the horizontal plate 14 drives the hose 13 to move, the hose 13 drives the fixing plate to move, the fixing plate drives the telescopic rod to compress, the telescopic rod drives the spring to compress, the spring drives the telescopic rod to rebound after being compressed, the telescopic rod drives the fixing plate to move back, the fixing plate drives the hose 13 to move back, so that the hose 13 swings up and down, external air can be uniformly blown in the shell 1, and when raining weather, the rainwater sensor 29 senses rainwater and then transmits a signal to the programmable logic controller (PLC 30), the programmable PLC30 controls the motor 3 to rotate reversely, the motor 3 rotates reversely to drive the first rotating rod 4 to rotate, the first rotating rod 4 drives the third sleeve 26 to rotate, the third sleeve 26 drives the third belt pulley to rotate, the third belt pulley drives the second belt pulley to rotate, the second belt pulley drives the fourth belt pulley to rotate, the fourth belt pulley drives the reciprocating screw rod 19 to rotate, the reciprocating screw rod 19 drives the bearing seat 20 to move, the bearing seat 20 drives the inclined rod 23 to move, the inclined rod 23 pushes the first baffle plate 22 downwards to shield the second heat dissipation holes, meanwhile, the bearing seat 20 also drives the connecting plate to move, the connecting plate drives the movable block to move, the movable block drives the L-shaped plate to move, the L-shaped plate drives the second baffle plate 28 to move to shield the first heat dissipation holes, at the moment, rainwater can not enter the inside of the shell 1, if the weather is clear, the first baffle plate 22 and the second baffle plate 28 can not shield the first heat dissipation holes any more through the inductive control of the rainwater sensor 29, the fan blade 8 rotates again to extract air, and the transformer body 2 is cooled.

In embodiment 2, referring to fig. 4, the auxiliary component of the oil-immersed power transformer with good heat dissipation provided by the utility model includes a pulley 31, one side of the pulley 31 is fixedly connected with one side of the first baffle 22, and the pulley 31 is disposed inside the sliding groove 21.

The using process of the utility model is as follows: when the utility model is used, firstly, the motor 3 is connected with an external power supply, because the first sleeve 9, the second sleeve 15 and the third sleeve 26 are respectively connected with the first rotating rod 4 through the one-way bearing, when the motor 3 rotates forwards, the first rotating rod 4 respectively drives the first belt pulley 10 and the circular plate 16 to rotate, the third belt pulley does not rotate, when the motor 3 rotates backwards, the first belt pulley 10 and the circular plate 16 do not rotate, the first rotating rod 4 drives the third belt pulley to rotate, when no rain falls in the outside air, the rain sensor 29 transmits a signal to the programmable PLC30, the programmable PLC30 controls the motor 3 to rotate forwards, the motor 3 works to drive the first rotating rod 4 to rotate, the first rotating rod 4 drives the first sleeve 9 to rotate, the first sleeve 9 drives the first belt pulley 10 to rotate, the first belt pulley 10 drives the first belt 12 to rotate, the first belt 12 drives the second belt pulley 11 to rotate, second belt pulley 11 drives second dwang 7 and rotates, and second dwang 7 drives flabellum 8 and rotates, inhales outside air, removes the in-process at first shielding plate, and pulley 31 can make first baffle 22 can remove in a flexible way, thereby is convenient for shelter from making the unable entering of rainwater to first louvre fast.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent substitutions made in accordance with the technical solution of the present invention are within the scope of the claims of the present invention.

Claims (7)

1. The utility model provides a good oil-immersed power transformer dispels heat, includes casing (1), its characterized in that: a transformer body (2) is arranged in the shell (1), the front side and the rear side of the transformer body (2) are respectively and fixedly connected with the front side and the rear side of the inner cavity of the shell (1), a heat dissipation mechanism is arranged in the shell (1), and the heat dissipation mechanism extends out of the shell (1);

the heat dissipation mechanism comprises a motor (3), the motor (3) is fixedly connected with a first rotating rod (4) through an output shaft, the first rotating rod (4) penetrates through a shell (1) and is connected with the shell (1) through a bearing, a round pipe (5) is arranged inside the shell (1), a filter screen (6) is fixedly arranged inside the round pipe (5), the round pipe (5) penetrates through one side wall of the shell (1) and extends out of the shell (1), a second rotating rod (7) is arranged inside the round pipe (5), the second rotating rod (7) penetrates through one side wall of the shell (1) and extends out of the shell (1), the second rotating rod (7) is connected with the shell (1) through a bearing, a plurality of fan blades (8) are fixedly arranged outside the second rotating rod (7), a first sleeve (9) is arranged outside the first rotating rod (4), the first sleeve (9) is connected with the first rotating rod (4) through an one-way bearing, a first belt pulley (10) is fixedly arranged outside the first sleeve (9), a second belt pulley (11) is fixedly arranged outside the second rotating rod (7), a first belt (12) is arranged between the first belt pulley (10) and the second belt pulley (11), the first belt (12) penetrates through the circular pipe (5) and extends out of the circular pipe (5), the first belt pulley (10) is connected with the second belt pulley (11) through the first belt (12), a hose (13) is fixedly arranged on one side of the circular pipe (5), a transverse plate (14) is fixedly arranged on one side of the hose (13), a second sleeve (15) is arranged outside the first rotating rod (4), the second sleeve (15) is connected with the first rotating rod (4) through an one-way bearing, a circular plate (16) is fixedly arranged outside the second sleeve (15), a plurality of knocking plates (17) are fixedly arranged outside the circular plate (16), and the knocking plates (17) are arranged at the bottom of the transverse plate (14);

the heat dissipation mechanism further comprises an auxiliary assembly, the auxiliary assembly comprises a third rotating rod (18), the third rotating rod (18) is arranged inside the shell (1), one side of the third rotating rod (18) is connected with one side wall of the inner cavity of the shell (1) through a bearing, one side of the third rotating rod (18) is fixedly connected with a reciprocating lead screw (19), the reciprocating lead screw (19) penetrates through one side wall of the shell (1) and extends out of the shell (1), a bearing seat (20) is sleeved outside the reciprocating lead screw (19), the bearing seat (20) is connected with the reciprocating lead screw (19) through a ball nut pair, a sliding groove (21) is formed in one side wall of the inner cavity of the shell (1), a first baffle plate (22) is arranged on one side of the sliding groove (21), an inclined rod (23) is arranged on one side of the first baffle plate (22), and the first baffle plate (22) is movably connected with one side of the inclined rod (23) through a movable hinge seat, the inclined rod (23) is arranged at the bottom of the bearing seat (20), and the top of the inclined rod (23) is movably connected with the bottom of the bearing seat (20) through a movable hinged support;

the heat dissipation mechanism further comprises an auxiliary component, the auxiliary component comprises a sliding block (24), one side of the sliding block (24) is fixedly connected with one side of the first baffle (22), and the sliding block (24) is arranged inside the sliding groove (21).

2. The oil-immersed power transformer with good heat dissipation performance as recited in claim 1, wherein: casing (1) inner chamber a lateral wall fixedly connected with backup pad (25), backup pad (25) bottom is fixed and is equipped with the riser, the riser runs through inside pipe (5) top and extend into pipe (5), second dwang (7) run through the riser and pass through the bearing with the riser and be connected.

3. The oil-immersed power transformer with good heat dissipation performance as recited in claim 2, wherein: the bottom of the supporting plate (25) is further fixedly provided with a telescopic rod, a spring is fixedly arranged outside the telescopic rod, a fixing plate is fixedly arranged at the top of the round tube (5), and the bottom of the telescopic rod is movably connected with the top of the fixing plate through a movable hinged support.

4. The oil-immersed power transformer with good heat dissipation performance as recited in claim 1, wherein: first rotation pole (4) outside still is equipped with third sleeve (26), third sleeve (26) are connected through one-way bearing with first rotation pole (4), third sleeve (26) external fixation is equipped with the third belt pulley, reciprocal lead screw (19) external fixation is equipped with the fourth belt pulley, be equipped with the second belt between third belt pulley and the fourth belt pulley, be connected through the second belt between third belt pulley and the fourth belt pulley.

5. The oil-immersed power transformer with good heat dissipation performance as recited in claim 1, wherein: horizontal groove (27) have been seted up at casing (1) inner chamber top, bearing frame (20) top valley bottom is equipped with the connecting plate, the fixed movable block that is equipped with in connecting plate top, the movable block is located inside horizontal groove (27), movable block one side fixedly connected with L shaped plate, first louvre has been seted up at casing (1) top, the L shaped plate runs through inside horizontal groove (27) a lateral wall and extends into first louvre, L shaped plate top fixedly connected with second baffle (28), second baffle (28) bottom contacts with casing (1) top, the fixed otter board that is equipped with in second baffle (28) one side, the second louvre has been seted up to casing (1) one side, the third louvre has been seted up in casing (1).

6. The oil-immersed power transformer with good heat dissipation performance as recited in claim 1, wherein: casing (1) top is fixed and is equipped with rainwater inductor (29), casing (1) inner chamber bottom is fixed and is equipped with PLC (30) able to programme, PLC (30) output can programme is connected with the DA converter, DA converter and motor (3) electric connection, PLC (30) input can programme is connected with the AD converter, AD converter and rainwater inductor (29) electric connection.

7. The oil-immersed power transformer with good heat dissipation performance as recited in claim 1, wherein: the auxiliary component comprises a pulley (31), one side of the pulley (31) is fixedly connected with one side of the first baffle (22), and the pulley (31) is arranged inside the sliding groove (21).

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