CN112670055A

CN112670055A - Reciprocating circulation air cooling oil change transformer

Info

Publication number: CN112670055A
Application number: CN202110025939.3A
Authority: CN
Inventors: 腊维妍
Original assignee: Shanghai Zhuangpo Electronic Technology Co ltd
Current assignee: Hunan Tianyue Electric Co ltd
Priority date: 2021-01-08
Filing date: 2021-01-08
Publication date: 2021-04-16
Anticipated expiration: 2041-01-08
Also published as: CN112670055B

Abstract

The invention discloses a reciprocating circulating air-cooling oil-changing transformer, which comprises a box body, wherein a heat dissipation cavity which is communicated up and down is arranged in the box body, two bilaterally symmetrical support frames are fixedly arranged on the top surface and the bottom surface of the box body, the extending parts of the support frames extend into the heat dissipation cavity, a support plate is fixedly arranged at the tail ends of the support frames positioned on the upper side and the lower side, a shell is fixedly arranged between the two support plates, a pressure changing cavity is arranged in the shell, and a lower side fixed block is fixedly arranged on the bottom wall of the pressure changing cavity. The oil cooling effect inside the variable pressure cavity is enhanced.

Description

Reciprocating circulation air cooling oil change transformer

Technical Field

The invention relates to the related field of transformers, in particular to a reciprocating circulating air cooling oil changing transformer.

Background

In daily transformer equipment, radiating fins are generally adopted for radiating the transformer device, the effect is not ideal, faults caused by high temperature can be frequently generated in high-temperature weather, some transformer equipment adopts an oil cooling technology, but the transformer equipment is not circulated oil, the cooling effect is limited, if other transformer equipment is specially used for cooling the transformer, the cost is quite high, and the operation is too complicated.

Disclosure of Invention

In order to solve the problems, the embodiment designs a reciprocating circulation air cooling oil changing transformer, which comprises a box body, wherein a heat dissipation cavity which is communicated up and down is arranged in the box body, two bilaterally symmetrical support frames are fixedly arranged on the top surface and the bottom surface of the box body, the extension parts of the support frames extend into the heat dissipation cavity, a support plate is fixedly arranged at the tail ends of the support frames positioned on the upper side and the lower side, a shell is fixedly arranged between the two support plates, a variable pressure cavity is arranged in the shell, a lower fixed block is fixedly arranged on the bottom wall of the variable pressure cavity, an upper fixed block is fixedly arranged on the top wall of the variable pressure cavity, a magnet is fixedly arranged between the upper fixed block and the lower fixed block, six first cooling fins which are symmetrical to the center of the shell are fixedly arranged in the inner wall of the shell, the extension part on one side of each first cooling fin, the periphery of the shell is fixedly provided with six second radiating fins which are symmetrical with the center of the shell, the second radiating fins and the first radiating fins are arranged in a staggered mode, the left side of the radiating cavity is communicated with a reciprocating cavity, the left wall of the reciprocating cavity and the right wall of the radiating cavity slide up and down to form a reciprocating body, the reciprocating body is internally provided with a circular cavity which is communicated up and down, the inner wall of the circular cavity rotates to form a radiating disc, the radiating disc is internally provided with an inclined cavity which is communicated up and down and inclined upwards, the shell penetrates through the inclined cavity, the radiating disc is internally provided with an annular cavity, six accelerating narrow openings which are symmetrical with the center of the radiating disc are communicated between the annular cavity and the inclined cavity, the right wall of the radiating cavity is fixedly provided with an L-shaped body, the L-shaped body is internally provided with a pressure cavity with an opening facing left, and the left side, the lower side of the variable pressure cavity is communicated with and provided with a damping valve, the damping valve is communicated with the conveying pipe, the inner wall of the pressure cavity is provided with a pressure piston in a vertical sliding manner, the top surface of the pressure piston is fixedly provided with an ejector rod, the upper extension part of the ejector rod extends into the heat dissipation cavity, the top surface of the ejector rod is fixedly provided with a top plate, the top plate can be abutted against the bottom surface of the heat dissipation disc, the right side of the heat dissipation cavity is provided with an adjusting cavity, the right wall of the adjusting cavity is rotatably provided with a cam shaft, the periphery of the cam shaft is fixedly provided with a cam, the left wall of the adjusting cavity is provided with a lifting column in a vertical sliding manner, the upper side of the adjusting cavity is communicated with a cooling oil cavity, the left side of the adjusting cavity is communicated with a U-shaped cavity, cooling oil is stored in the cooling oil cavity, the lifting, the lifting block can with the cam butt, the bottom surface of lifting block sets firmly the piston post, the piston post can insert adjust chamber bottom slot position.

Preferably, the periphery of the magnet is wound with two bilateral symmetry coils, the top surface of the supporting plate is fixedly provided with two bilateral symmetry conductive columns, the lower extension part of each conductive column extends into the voltage transformation cavity and is electrically connected with the two coils respectively, the bottom surface of the box body is fixedly provided with two bilateral symmetry supporting columns, and the bottom surface of each supporting column is fixedly provided with a bottom plate.

Preferably, a motor cavity is formed in the lower side of the reciprocating cavity, a motor is fixedly arranged on the top wall of the motor cavity, a motor shaft is arranged on the bottom surface of the motor in a power connection mode, a fan cavity is formed in the right side of the motor cavity, an extending portion of the lower side of the fan cavity is opened leftwards, a cross shaft is arranged between the motor cavity and the fan cavity in a rotating mode, fan blades are fixedly arranged on the periphery of the fan cavity in the cross shaft, a rotating bevel gear set is arranged between the cross shaft and the motor shaft in a transmission connection mode, and a telescopic leather hose is arranged between the ring cavity and the fan cavity in a communicating mode.

Preferably, the top surface power of motor is connected and is equipped with movable screw rod, the ball swivel nut has been embedded to the solid in the reciprocating body inner wall, activity screw rod upside extension runs through the ball swivel nut, and with reciprocating chamber roof rotates and connects, the ball swivel nut with movable screw rod threaded connection, reciprocating has seted up the control chamber in vivo, the periphery of heat dissipation disc has set firmly the support ring, the support ring with the inner wall sliding connection in control chamber, the left side semicircle face of support ring has set firmly the arc rack, the diapire in control chamber rotates and is equipped with rotatory swivel nut, the periphery of rotatory swivel nut has set firmly connecting gear, connecting gear with arc rack toothing, set screw has set firmly between reciprocating chamber's the upper and lower wall, set screw runs through rotatory swivel nut, and with rotatory swivel nut threaded connection.

Preferably, a gear shaft is arranged on the rear wall of the motor cavity in a rotating manner, a driven bevel gear set is arranged between the gear shaft and the motor shaft in a transmission connection manner, a gear cavity is formed in the right side of the adjusting cavity, a transmission shaft is arranged on the rear wall of the gear cavity in a rotating manner, an extending portion on the right side of the cam shaft extends into the gear cavity, a transmission bevel gear set is arranged between the cam shaft and the transmission shaft in a transmission connection manner, a belt cavity is arranged on the rear side of the gear cavity and the rear side of the motor cavity in a rotating manner, the gear shaft and the extending portion on the rear side of the transmission shaft extend into the belt cavity, a belt set is arranged between the gear shaft and the transmission shaft in a transmission connection manner, a reset spring is fixedly arranged between the top surface of the lifting block and the top wall of the adjusting cavity, a communicating valve is arranged on the top, the left side intercommunication in regulation chamber is installed and is violently managed, violently manage the extension and stretch into in the heat dissipation intracavity, and its end intercommunication installs the check valve, the check valve with the pressure chamber intercommunication, just the supreme circulation can only be followed to the check valve.

The invention has the beneficial effects that: the invention utilizes the characteristics of reciprocating lifting and reciprocating rotation to ensure that cooling air can obtain more uniform and wider air blowing surface in the process of blowing upwards in an inclined way towards the surfaces of the second radiating fin and the first radiating fin at high speed, thereby effectively improving the heat dissipation effect, simultaneously, the same power source can be utilized to drive and control the oil change operation in the variable pressure cavity, the oil cooling effect in the variable pressure cavity is enhanced, the temperature is reduced in a double way, and the problem that the transformer is overheated and fails can be effectively prevented.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a schematic view showing the internal structure of the belt chamber in the present invention.

Fig. 3 is a partial structural view of a-a in fig. 1.

Fig. 4 is an enlarged schematic view of B in fig. 1.

Fig. 5 is an enlarged schematic view of C in fig. 1.

Detailed Description

The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention relates to a reciprocating circulating air-cooling oil-changing transformer, which comprises a box body 20, wherein a heat dissipation cavity 12 which is communicated up and down is arranged in the box body 20, two bilaterally symmetrical support frames 11 are fixedly arranged on the top surface and the bottom surface of the box body 20, the extending parts of the support frames 11 extend into the heat dissipation cavity 12, a support plate 13 is fixedly arranged at the tail ends of the support frames 11 positioned on the upper side and the lower side, a shell 14 is fixedly arranged between the two support plates 13, a pressure changing cavity 59 is arranged in the shell 14, a lower side fixing block 41 is fixedly arranged on the bottom wall of the pressure changing cavity 59, an upper side fixing block 16 is fixedly arranged on the top wall of the pressure changing cavity 59, a magnet 22 is fixedly arranged between the upper side fixing block 16 and the lower side fixing block 41, six first cooling fins 56 which are symmetrical by taking the center of the shell 14 are fixedly arranged in the inner wall of the shell 14, and the, and the extension part at the other side extends into the heat dissipation cavity 12, the periphery of the casing 14 is fixedly provided with six second heat dissipation fins 55 which are symmetrical with the center of the casing 14, the second heat dissipation fins 55 and the first heat dissipation fins 56 are arranged in a staggered manner, the left side of the heat dissipation cavity 12 is communicated with a reciprocating cavity 52, a reciprocating body 65 is arranged between the left wall of the reciprocating cavity 52 and the right wall of the heat dissipation cavity 12 in a vertically sliding manner, a vertically through circular cavity 73 is arranged in the reciprocating body 65, a heat dissipation disc 72 is arranged on the inner wall of the circular cavity 73 in a rotating manner, an upward inclined cavity 74 which is vertically through and inclined is arranged in the heat dissipation disc 72, the casing 14 penetrates through the inclined cavity 74, an annular cavity 76 is arranged in the heat dissipation disc 72, and six accelerating narrow openings 75 which are symmetrical with the center of the heat dissipation disc 72 are communicated between the annular cavity 76 and the inclined cavity 74, the right wall of the heat dissipation cavity 12 is fixedly provided with an L-shaped body 38, a pressure cavity 62 with an opening facing left is formed in the L-shaped body 38, a conveying pipe 39 is installed on the left side of the pressure cavity 62 in a communicated mode, a damping valve 40 is installed on the lower side of the pressure changing cavity 59 in a communicated mode, the damping valve 40 is communicated with the conveying pipe 39, a pressure piston 64 is arranged on the inner wall of the pressure cavity 62 in a vertically sliding mode, a top rod 61 is fixedly arranged on the top surface of the pressure piston 64, the upper side extending portion of the top rod 61 extends into the heat dissipation cavity 12, a top plate 60 is fixedly arranged on the top surface of the top plate 60 and can be abutted against the bottom surface of the heat dissipation disc 72, an adjusting cavity 33 is formed in the right side of the heat dissipation cavity 12, a cam shaft 30 is arranged on the right wall of the adjusting cavity 33 in a rotating mode, a cam 26 is fixedly arranged on the, the adjusting cavity 33 left side intercommunication is equipped with U die cavity 24, there is cooling oil in the cooling oil cavity 19, the lift post 23 can stretch into in the cooling oil cavity 19, and seal U die cavity 24 side channel, the bottom surface of lift post 23 has set firmly elevator 31, elevator 31 can with cam 26 butt, the bottom surface of elevator 31 has set firmly piston post 32, piston post 32 can insert adjusting cavity 33 bottom slot position.

Beneficially, two bilateral symmetry coils 21 are wound around the periphery of the magnet 22, two bilateral symmetry conductive posts 15 are fixedly arranged on the top surface of the supporting plate 13, lower extension portions of the conductive posts 15 extend into the voltage transformation cavity 59 and are electrically connected with the two coils 21, respectively, two bilateral symmetry support posts 35 are fixedly arranged on the bottom surface of the box body 20, a bottom plate 36 is fixedly arranged on the bottom surface of the support posts 35, a supporting function can be achieved through the support posts 35 and the bottom plate 36, and a voltage transformation effect can be achieved through the coil 21, the magnet 22 and the conductive posts 15.

Advantageously, a motor cavity 51 is formed at the lower side of the reciprocating cavity 52, a motor 50 is fixedly arranged on the top wall of the motor cavity 51, a motor shaft 47 is arranged at the bottom surface of the motor 50 in a power connection manner, a fan cavity 44 is formed at the right side of the motor cavity 51, an extension part at the lower side of the fan cavity 44 is opened to the left, a cross shaft 48 is rotatably arranged between the motor cavity 51 and the fan cavity 44, a fan blade 43 is fixedly arranged at the periphery of the cross shaft 48 in the fan cavity 44, a rotating bevel gear set 49 is arranged between the cross shaft 48 and the motor shaft 47 in a transmission connection manner, a telescopic leather hose 42 is arranged between the annular cavity 76 and the fan cavity 44 in a communication manner, by the operation of the motor 50, the motor shaft 47 can drive the cross shaft 48 to rotate, so that the fan blade 43 can rotate to blow air into the telescopic leather hose 42, and flowing air enters the annular cavity 76 through the telescopic leather hose 42, and accelerated into the inclined cavity 74 through the acceleration narrow opening 75, so that the high-speed wind carrying the heat of the surfaces of the second heat sink 55 and the first heat sink 56 can be discharged upwards.

Beneficially, the top surface of the motor 50 is dynamically connected with a movable screw 53, a ball screw sleeve 66 is fixedly embedded in the inner wall of the reciprocating body 65, an upper extending portion of the movable screw 53 penetrates through the ball screw sleeve 66 and is rotatably connected with the top wall of the reciprocating cavity 52, the ball screw sleeve 66 is in threaded connection with the movable screw 53, a control cavity 67 is formed in the reciprocating body 65, a support ring 71 is fixedly arranged on the periphery of the heat dissipation disc 72, the support ring 71 is slidably connected with the inner wall of the control cavity 67, an arc-shaped rack 70 is fixedly arranged on the left semicircular surface of the support ring 71, a rotary screw sleeve 69 is rotatably arranged on the bottom wall of the control cavity 67, a connecting gear 68 is fixedly arranged on the periphery of the rotary screw sleeve 69, the connecting gear 68 is engaged with the arc-shaped rack 70, a fixed screw 54 is fixedly arranged between the upper wall and the lower wall of the reciprocating cavity 52, and the fixed screw 54 penetrates through the rotary screw sleeve, and is connected with the screw thread of the rotary screw sleeve 69, through the operation of the motor 50, the movable screw 53 can drive the reciprocating body 65 to reciprocate, so that the heat dissipation disc 72 can reciprocate, and at the same time, the reciprocating body 65 can reciprocate, so that the fixed screw 54 can drive the rotary screw sleeve 69 to reciprocate, so that the heat dissipation disc 72 can reciprocate, and further, the air blowing effect of the acceleration narrow opening 75 can be more uniform, the air blowing position can be more extensive, and the heat dissipation effect can be increased.

Beneficially, a gear shaft 46 is rotatably provided on the rear wall of the motor cavity 51, a driven bevel gear set 45 is provided in the transmission connection between the gear shaft 46 and the motor shaft 47, a gear cavity 27 is opened on the right side of the adjusting cavity 33, a transmission shaft 28 is rotatably provided on the rear wall of the gear cavity 27, a right extending portion of the cam shaft 30 extends into the gear cavity 27, a transmission bevel gear set 29 is provided in the transmission connection between the cam shaft 30 and the transmission shaft 28, a belt cavity 57 is provided on the rear side of the gear cavity 27 and the motor cavity 51, the gear shaft 46 and a rear extending portion of the transmission shaft 28 extend into the belt cavity 57, a belt set 58 is provided in the transmission connection between the gear shaft 46 and the transmission shaft 28, a return spring 25 is fixedly installed between the top surface of the lifting block 31 and the top wall of the adjusting cavity 33, and a communication valve 17 is installed in the top side of the pressure varying cavity 59 in a communication manner, a communicating pipe 18 is arranged between the communicating valve 17 and the cooling oil chamber 19 in a communicating manner, a transverse pipe 34 is arranged on the left side of the adjusting chamber 33 in a communicating manner, the extending part of the transverse pipe 34 extends into the heat dissipation chamber 12, the tail end of the transverse pipe is provided with a one-way valve 37 in a communicating manner, the one-way valve 37 is communicated with the pressure chamber 62, the one-way valve 37 can only circulate from bottom to top, the gear shaft 46 can drive the transmission shaft 28 to rotate through the belt chamber 57 through the rotation of the motor shaft 47, so that the cam shaft 30 can drive the cam 26 to rotate, when the lifting block 31 is driven by the cam 26 to descend, the lifting column 23 can descend, the cooling oil chamber 19 can be communicated with the U-shaped cavity 24, at the moment, the cooling oil in the cooling oil chamber 19 can enter the bottom of the adjusting chamber 33 through the U-shaped cavity 24, when the lifting block 31 ascends, the lifting column 23 closes the cooling oil chamber 19 and the upper channel of the U-shaped cavity 24, so that the cooling oil entering the bottom of the adjusting cavity 33 can enter the transverse tube 34 through the narrow opening at the bottom of the adjusting cavity 33, and when the lifting block 31 descends again, the piston rod 32 can be made to push the cooling oil in the transverse tube 34 through the check valve 37 into the pressure chamber 62, and when the heat-dissipating disc 72 descends, the top plate 60 can be pushed to descend, so that the ram 61 can drive the pressure piston 64 to descend, and then the cooling oil in the pressure chamber 62 can be introduced into the pressure chamber 59 through the delivery pipe 39 and the damping valve 40, and at this time, the oil with relatively high temperature at the upper side in the variable pressure chamber 59 flows back to enter the cooling oil chamber 19 through the communication valve 17 and the communication pipe 18 for cooling, so that the circulating oil change cooling and heat dissipation effects can be achieved.

The following describes in detail the use steps of a reciprocating air cooling oil changing transformer in this document with reference to fig. 1 to 5:

when in use, the supporting function can be achieved through the supporting column 35 and the bottom plate 36, the variable pressure effect can be achieved through the coil 21, the magnet 22 and the conductive column 15, the motor shaft 47 can drive the transverse shaft 48 to rotate through the operation of the motor 50, so that the fan blades 43 can rotate to blow air into the telescopic leather hose 42, the flowing air enters the annular cavity 76 through the telescopic leather hose 42 and enters the inclined cavity 74 through the accelerating narrow opening 75 in an accelerating manner, so that the high-speed air can carry the heat on the surfaces of the second radiating fin 55 and the first radiating fin 56 to be discharged upwards, the movable screw 53 can drive the reciprocating body 65 to lift back and forth through the operation of the motor 50, so that the radiating disc 72 can lift back and forth, meanwhile, the fixed screw 54 can drive the rotary screw sleeve 69 to rotate back and forth through the back and forth lifting of the reciprocating body 65, and then the blowing effect of the accelerating narrow opening 75 can be more uniform, and the blowing position is wider, thereby increasing the heat dissipation effect, the gear shaft 46 can drive the transmission shaft 28 to rotate through the belt cavity 57 through the rotation of the motor shaft 47, thereby the cam shaft 30 can drive the cam 26 to rotate, when the cam 26 drives the lifting block 31 to descend, the lifting column 23 can descend, and further the cooling oil cavity 19 can be communicated with the U-shaped cavity 24, at the moment, the cooling oil in the cooling oil cavity 19 can enter the bottom of the adjusting cavity 33 through the U-shaped cavity 24, when the lifting block 31 ascends, the lifting column 23 seals the upper side channels of the cooling oil cavity 19 and the U-shaped cavity 24, at the moment, the cooling oil entering the bottom of the adjusting cavity 33 can enter the transverse pipe 34 through the bottom narrow opening of the adjusting cavity 33, at the moment, when the lifting block 31 descends again, the piston column 32 can push the cooling oil in the transverse pipe 34 to enter the pressure cavity 62 through the one-way valve 37, when the heat dissipation disc, the top plate 60 can be pushed to descend, so that the ejector rod 61 can drive the pressure piston 64 to descend, then the cooling oil in the pressure cavity 62 can enter the variable pressure cavity 59 through the conveying pipe 39 and the damping valve 40, at the moment, the hotter oil on the upper side in the variable pressure cavity 59 can flow back through the communication valve 17 and the communication pipe 18 to enter the cooling oil cavity 19 for cooling, and the cooling and heat dissipation effects of circulating oil change can be achieved.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a reciprocating circulation forced air cooling oil change transformer, includes the box, its characterized in that: the box is internally provided with a heat dissipation cavity which is communicated up and down, the top surface and the bottom surface of the box are fixedly provided with two support frames which are bilaterally symmetrical, the extension part of each support frame extends into the heat dissipation cavity, the tail ends of the support frames positioned at the upper side and the lower side are fixedly provided with a support plate, a shell is fixedly arranged between the two support plates, a pressure change cavity is arranged in the shell, the bottom wall of the pressure change cavity is fixedly provided with a lower side fixed block, the top wall of the pressure change cavity is fixedly provided with an upper side fixed block, a magnet is fixedly arranged between the upper side fixed block and the lower side fixed block, six first cooling fins which are symmetrical by taking the center of the shell are fixedly arranged in the inner wall of the shell, the extension part at one side of each first cooling fin extends into the pressure change cavity, the extension part at the other side of each first, the second radiating fins and the first radiating fins are arranged in a staggered mode, a reciprocating cavity is arranged in the left side of the radiating cavity in a communicated mode, a reciprocating body is arranged between the left wall of the reciprocating cavity and the right wall of the radiating cavity in a sliding mode, a circular cavity which is communicated with the reciprocating body from top to bottom is formed in the reciprocating body, a radiating disc is arranged on the inner wall of the circular cavity in a rotating mode, an inclined cavity which is communicated with the upper portion and the lower portion and inclines upwards is formed in the radiating disc, the shell penetrates through the inclined cavity, an annular cavity is formed in the radiating disc, six accelerating narrow openings which are symmetrical with the center of the radiating disc are formed between the annular cavity and the inclined cavity in a communicated mode, an L-shaped body is fixedly arranged on the right wall of the radiating cavity, an opening pressure cavity towards the left is formed in the L-shaped body, a conveying pipe is arranged in the left side of, the inner wall of the pressure cavity is provided with a pressure piston in a vertical sliding manner, the top surface of the pressure piston is fixedly provided with a mandril, the extending part of the upper side of the mandril extends into the heat dissipation cavity, the top surface of the mandril is fixedly provided with a top plate which can be abutted against the bottom surface of the heat dissipation disc, the right side of the heat dissipation cavity is provided with an adjusting cavity, the right wall of the adjusting cavity is rotatably provided with a cam shaft, the periphery of the cam shaft is fixedly provided with a cam, the left wall of the adjusting cavity is provided with a lifting column in a vertical sliding manner, the upper side of the adjusting cavity is communicated with a cooling oil cavity, the left side of the adjusting cavity is communicated with a U-shaped cavity, cooling oil is stored in the cooling oil cavity, the lifting column can extend into the cooling oil cavity and seal a channel on the upper side of the U-shaped cavity, the bottom surface of the lifting, the piston column can be inserted into the narrow opening at the bottom of the adjusting cavity.

2. The reciprocating circulation air-cooled oil change transformer of claim 1, wherein: the periphery of magnet is around being equipped with two bilateral symmetry's coil, the backup pad top surface sets firmly two bilateral symmetry's lead electrical pillar, it stretches into to lead electrical pillar downside extension respectively with two coil electric connection, the bottom surface of box sets firmly two bilateral symmetry's support column, the support column bottom surface sets firmly a bottom plate.

3. The reciprocating circulation air-cooled oil change transformer of claim 1, wherein: the fan cavity is arranged on the right side of the motor cavity, an extension part of the lower side of the fan cavity is opened leftwards, a cross shaft is arranged between the motor cavity and the fan cavity in a rotating mode, fan blades are fixedly arranged on the periphery of the fan cavity, a rotating bevel gear set is arranged between the cross shaft and the motor shaft in a transmission connection mode, and a telescopic leather hose is arranged between the ring cavity and the fan cavity in a communicating mode.

4. The reciprocating circulation air-cooled oil change transformer of claim 3, wherein: the top surface power of motor is connected and is equipped with movable screw rod, the fixed ball swivel nut that has inlayed in the reciprocating body inner wall, movable screw rod upside extension portion runs through the ball swivel nut, and with reciprocating chamber roof rotates to be connected, the ball swivel nut with movable screw rod threaded connection, reciprocating has seted up the control chamber in vivo, the periphery of heat dissipation disc has set firmly the support ring, the support ring with the inner wall sliding connection in control chamber, the left side semicircle face of support ring has set firmly the arc rack, the diapire in control chamber rotates and is equipped with rotatory swivel nut, the periphery of rotatory swivel nut has set firmly connecting gear, connecting gear with arc rack toothing, set firmly fixing screw rod between reciprocating chamber's upper and lower wall, fixing screw rod runs through rotatory swivel nut, and with rotatory swivel nut threaded connection.

5. The reciprocating circulation air-cooled oil change transformer of claim 4, wherein: the rear wall of the motor cavity is provided with a gear shaft in a rotating manner, a driven bevel gear set is arranged between the gear shaft and the motor shaft in a transmission connection manner, the right side of the adjusting cavity is provided with a gear cavity, the rear wall of the gear cavity is provided with a transmission shaft in a rotating manner, the right side extension part of the cam shaft extends into the gear cavity, a transmission bevel gear set is arranged between the cam shaft and the transmission shaft in a transmission connection manner, a belt cavity is arranged at the rear sides of the gear cavity and the motor cavity, the gear shaft and the rear side extension part of the transmission shaft extend into the belt cavity, a belt set is arranged between the gear shaft and the transmission shaft in a transmission connection manner, a reset spring is fixedly arranged between the top surface of the lifting block and the top wall of the adjusting cavity, the top side of the pressure changing cavity is provided with a communicating valve in a communicating manner, the left side intercommunication in regulation chamber is installed and is violently managed, violently manage the extension and stretch into in the heat dissipation intracavity, and its end intercommunication installs the check valve, the check valve with the pressure chamber intercommunication, just the supreme circulation can only be followed to the check valve.