CN116072383A

CN116072383A - Ship shore power transformer with wind duct type heat radiation structure

Info

Publication number: CN116072383A
Application number: CN202211644154.5A
Authority: CN
Inventors: 施瑶杰; 武加春
Original assignee: Shanghai Beichang Technology Co ltd
Current assignee: Shanghai Beichang Technology Co ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-05-05

Abstract

The invention discloses a ship shore power transformer with an air duct type heat dissipation structure, and relates to the technical field of transformer heat dissipation. According to the invention, through the cooperation of the hose, the incomplete gear and the rack, when a user dissipates heat of the transformer, the air collecting block can be driven to move through the rotation of the motor, so that the air inlet pipe can move in the process of extracting heat, the air inlet pipe can absorb heat of different positions of the power transformer in the moving process, the local temperature of the power transformer can be prevented from being too high, the service life of the power transformer is further ensured, meanwhile, the motor can finally drive the fourth bevel gear and the cleaning brush to circularly rotate in the working process, and therefore dust accumulated on the surface of the filter layer can be cleaned, and the heat dissipation efficiency and quality of equipment are further ensured.

Description

Ship shore power transformer with wind duct type heat radiation structure

Technical Field

The invention relates to the technical field of transformer heat dissipation, in particular to a ship shore power transformer with an air duct type heat dissipation structure.

Background

The power transformer is a soft magnetic electromagnetic element, has the functions of power transmission, voltage conversion and insulation isolation, is widely applied to power technology and power electronic technology, ship shore power refers to a system for supplying power to a ship in a port during normal operation of the ship, and is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, and the main components are a primary coil, a secondary coil and an iron core. In electrical equipment and wireless circuits, it is often used as a step-up voltage, a matching impedance, a safety isolation, etc. In a generator, an electrical potential is induced in the coil, whether the coil is moved through a magnetic field or a magnetic field is moved through a stationary coil. In both cases, the value of the magnetic flux is unchanged, but the amount of the magnetic flux crossing the coil varies, which is the principle of mutual induction. The transformer is a device for converting voltage, current and impedance by utilizing electromagnetic mutual induction, is basic equipment for power transmission and distribution, and is widely applied to the fields of industry, agriculture, traffic, urban communities and the like.

Because the transformer itself can produce higher heat at the in-process of using, at present some producer dispels the heat to it through wind-cone heat radiation structure, however because its radiator fan position is fixed, lead to it when dispelling the heat to the transformer, the transformer everywhere radiating efficiency is different, and then can lead to the transformer local temperature too high, and then influence the holistic life of transformer, simultaneously because boats and ships lack the building in the in-process of traveling near it, lead to the dust unable to be blocked, thereby lead to the filter layer at wind gap can pile up a large amount of dust, and then influence the radiating efficiency of equipment.

Disclosure of Invention

The invention aims to provide a ship shore power transformer with a wind barrel type heat dissipation structure, so as to solve the problems in the background technology.

In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a boats and ships shore power supply transformer with dryer formula heat radiation structure, includes the box, power supply transformer, fixed connection in the box inner wall, the air intake, set up in box one end, the air outlet, set up in the box other end, just air outlet inner wall fixedly connected with dryer, the filter layer, fixed connection in inside the air intake, the connecting seat is located the bottom half, the connecting block, fixed connection in the outer wall around the box, dryer inner wall fixedly connected with negative pressure fan, negative pressure fan one end fixedly connected with air-supply line, air-supply line other end fixedly connected with hose, box outer wall fixedly connected with protective housing, protective housing inner wall fixedly connected with motor, motor output end fixedly connected with first pivot, first pivot bottom fixedly connected with first bevel gear, box inner wall rotation is connected with second pivot, box inner wall fixedly connected with backup pad, box inner wall fixedly connected with first spring, first spring other end fixedly connected with first slider, first slider other end fixedly connected with air-collecting block, two air inlet pipe fixedly connected with exhaust pipe bottom equal distance.

Further, second pivot outer wall fixedly connected with and first bevel gear meshed second bevel gear, second pivot outer wall fixedly connected with incomplete gear, gas collecting block top fixedly connected with rack, incomplete gear and rack looks adaptation are used through the cooperation of incomplete gear and rack for the gas collecting block can carry out reciprocating motion, thereby makes the intake pipe can extract the heat of power transformer of different positions, and then can prevent its local temperature too high.

Further, first slider top and backup pad sliding connection, the hose other end and gas collecting block fixed connection, the hose is linked together with the gas collecting block, the gas collecting block is linked together with the intake pipe, can guarantee the stability when the gas collecting block removes through first slider.

Further, first pivot outer wall fixedly connected with driving gear, box outer wall symmetry rotates and is connected with two third pivots, and two equal fixedly connected with driven gear of third pivot outer wall, the meshing of driving gear outer wall has the drive belt of looks adaptation, driving gear passes through the drive belt and is connected with driven gear transmission, through the transmission cooperation of driving gear, drive belt, driven gear and third pivot, can clean the surface of filter layer when making things convenient for the motor work.

Further, third pivot bottom fixedly connected with third bevel gear, box outer wall symmetry rotation is connected with two fourth bevel gears, two logical groove has all been seted up on fourth bevel gear surface, logical inslot wall fixedly connected with cleaning brush, fourth bevel gear rotation drive cleaning brush can prevent that the filter layer surface from piling up a large amount of dust, and then can guarantee its ventilation and heat dissipation's efficiency.

Further, the cleaning brush is in contact with the filter layer, the cleaning brush is rectangular in shape, the supporting plate is U-shaped, and the hose can move conveniently through the U-shaped supporting plate.

Further, four the thread groove has all been seted up at the connecting block top, four the inside first mounting groove that has all been seted up of connecting block, first mounting groove inside is equipped with the mounting panel, the mounting panel is close to the one end symmetry of thread groove and articulates there are two connecting rods, two the connecting rod other end all articulates there is first stopper, first stopper top fixedly connected with baffle, be convenient for block the bolt through the baffle, can block the rainwater when preventing that the bolt from removing to can prevent that moisture from corroding the bolt, and then the convenience of customers is follow-up to its dismouting.

Further, mounting panel one end fixedly connected with carriage release lever, the carriage release lever other end runs through and extends to the connecting block outside, carriage release lever and connecting block sliding connection, four the first spacing groove with first stopper looks adaptation has all been seted up at the connecting block top, first stopper passes through first spacing groove and connecting block sliding connection, can guarantee the stability when first stopper removes through first spacing groove to can guarantee the stability when the baffle removes.

Further, four the second mounting groove has all been seted up to inside the connecting block, the inside sliding connection of second mounting groove has the locating lever, the locating lever top extends to the connecting block top, locating lever outer wall fixedly connected with fixed block, the outside cover of locating lever is equipped with the second spring, second spring top and connecting block fixed connection, second spring bottom and fixed block fixed connection, the constant head tank has been seted up on the movable rod surface, uses the position of being convenient for the movable rod through the cooperation of constant head tank and locating piece to fix, and then can guarantee the stability of baffle, is convenient for the locating lever to be connected with the constant head tank through the resilience of second spring simultaneously.

Further, locating lever outer wall size and constant head tank inner wall size looks adaptation, four the equal symmetry of connecting block outer wall has seted up the play basin, can prevent inside ponding of first mounting groove through the play basin, and then can prolong the life of first stopper.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, through the cooperation of the hose, the incomplete gear and the rack, when a user dissipates heat at a high temperature generated by the power transformer, the user opens the motor to work, and the incomplete gear can be driven to intermittently drive the rack and the gas collecting block to move through the rotation of the motor, so that the gas inlet pipe can move in the process of extracting heat, the gas inlet pipe can absorb heat at different positions of the power transformer in the moving process, the local temperature of the power transformer can be prevented from being too high, the service life of the power transformer is further ensured, meanwhile, the motor can finally drive the fourth bevel gear and the cleaning brush to circularly rotate in the working process, and dust accumulated on the surface of the filter layer can be cleaned, and the heat dissipation efficiency and quality of equipment are further ensured.

2. According to the invention, through the cooperation of the first limiting block, the baffle plates, the positioning rod and the positioning groove, after the box body is fixed by the user through the bolts, the user can move by pulling the moving rod at the moment, so that the two baffle plates can be closed towards the bolts at the same time and limit the bolts, loosening of the bolts caused by ship shaking can be prevented, and meanwhile, the position of the moving rod can be limited and fixed through the positioning rod, so that the stability of the baffle plates can be ensured, the overall stability of the equipment can be ensured, and the service life of the equipment can be prolonged.

Drawings

The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:

FIG. 1 is a schematic view of the overall cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the entire cross-sectional structure of the support plate of the present invention as it moves;

FIG. 3 is a schematic diagram of the side elevational appearance of the present invention;

FIG. 4 is a schematic top view of a second shaft of the present invention;

FIG. 5 is an enlarged view of the structure at A of FIG. 2;

FIG. 6 is a schematic elevational cross-sectional view of the connection block of the present invention;

FIG. 7 is a schematic elevational cross-sectional view of the closure of the present invention;

FIG. 8 is a schematic view of a top view of a portion of a cross-sectional structure of a connection block of the present invention;

FIG. 9 is a schematic top view of the connection block of the present invention;

fig. 10 is a schematic view of a side view partially in cross section of the connection block of the present invention.

In the figure: 1. a case; 2. a power supply transformer; 3. an air inlet; 4. an air outlet; 5. an air duct; 6. a filter layer; 7. a connecting seat; 8. a connecting block; 9. a negative pressure fan; 10. an air inlet pipe; 11. a hose; 12. a protective shell; 13. a motor; 14. a first rotating shaft; 15. a first bevel gear; 16. a second rotating shaft; 17. a support plate; 18. a first spring; 19. a first slider; 20. a gas collecting block; 21. an air inlet pipe; 22. a second bevel gear; 23. an incomplete gear; 24. a rack; 25. a drive gear; 26. a third rotating shaft; 27. a driven gear; 28. a transmission belt; 29. a third bevel gear; 30. a fourth bevel gear; 31. a through groove; 32. a cleaning brush; 33. a thread groove; 34. a first mounting groove; 35. a mounting plate; 36. a connecting rod; 37. a first limiting block; 38. a baffle; 39. a moving rod; 40. a first limit groove; 41. a second mounting groove; 42. a positioning rod; 43. a fixed block; 44. a second spring; 45. a positioning groove; 46. and a water outlet groove.

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. 1-5, the present invention provides the following technical solutions: the utility model provides a boats and ships shore power transformer with dryer formula heat radiation structure, including box 1, power transformer 2, fixedly connected to box 1 inner wall, air intake 3, open in box 1 one end, air outlet 4, open in box 1 other end, and air outlet 4 inner wall fixedly connected with dryer 5, filter layer 6, fixedly connected with air intake 3 inside, connecting seat 7, locate box 1 bottom, connecting block 8, fixedly connected with box 1 outer wall all around, dryer 5 inner wall fixedly connected with negative pressure fan 9, negative pressure fan 9 one end fixedly connected with air-supply line 10, the other end fixedly connected with hose 11 of air-supply line 10, box 1 outer wall fixedly connected with protective housing 12, protective housing 12 inner wall fixedly mounted has motor 13, motor 13 output fixedly connected with first pivot 14, first pivot 14 outer wall fixedly connected with driving gear 25, box 1 outer wall symmetry rotation is connected with two third pivots 26, the bottom of the third rotating shaft 26 is fixedly connected with a third bevel gear 29, the outer wall of the box body 1 is symmetrically and rotationally connected with two fourth bevel gears 30, the surfaces of the two fourth bevel gears 30 are provided with through grooves 31, the inner wall of each through groove 31 is fixedly connected with a cleaning brush 32, the cleaning brush 32 is contacted with the filter layer 6, the cleaning brush 32 is rectangular, the shape of the supporting plate 17 is U-shaped, the outer walls of the two third rotating shafts 26 are fixedly connected with a driven gear 27, the outer wall of the driving gear 25 is meshed with an adaptive driving belt 28, the driving gear 25 is in transmission connection with the driven gear 27 through the driving belt 28, the bottom of the first rotating shaft 14 is fixedly connected with a first bevel gear 15, the inner wall of the box body 1 is rotationally connected with a second rotating shaft 16, the outer wall of the second rotating shaft 16 is fixedly connected with a second bevel gear 22 meshed with the first bevel gear 15, the outer wall of the second rotating shaft 16 is fixedly connected with an incomplete gear 23, the top of the gas collecting block 20 is fixedly connected with a rack 24, the incomplete gear 23 is matched with the rack 24, the inner wall of the box body 1 is fixedly connected with a supporting plate 17, the inner wall of the box body 1 is fixedly connected with a first spring 18, the other end of the first spring 18 is fixedly connected with a first sliding block 19, the top of the first sliding block 19 is slidably connected with the supporting plate 17, the other end of the hose 11 is fixedly connected with the gas collecting block 20, the hose 11 is communicated with the gas collecting block 20, the gas collecting block 20 is communicated with the air inlet pipe 21, the other end of the first sliding block 19 is fixedly connected with the gas collecting block 20, and two rows of air inlet pipes 21 are fixedly connected at the bottom of the gas collecting block 20 at equal intervals.

The implementation mode specifically comprises the following steps: when a user needs to radiate heat of the working power transformer 2, the user can turn on the negative pressure fan 9 and the motor 13, the negative pressure fan 9 can extract high-temperature gas generated by the working of the power transformer 2 through the air inlet pipe 10, the hose 11, the gas collecting block 20 and the air inlet pipe 21, when the motor 13 works, the motor 13 can drive the first rotating shaft 14 and the first bevel gear 15 to rotate, the first bevel gear 15 can drive the second bevel gear 22 to rotate through rotation, the second rotating shaft 16 and the incomplete gear 23 can be driven to rotate through rotation of the second bevel gear 22, the incomplete gear 23 can drive the gas collecting block 20 to move through rotation of the extrusion rack 24, the gas collecting block 20 can smoothly move along the supporting plate 17 through the first sliding block 19, and meanwhile, the gas collecting block 20 can drive the two rows of air inlet pipes 21 to move in the moving process, at this time, the air inlet pipe 21 can absorb heat of different positions of the power transformer 2 in the moving process, so that the local temperature of the power transformer 2 can be prevented from being increased, the service life of the power transformer 2 is further ensured, the first sliding block 19 can squeeze the first spring 18 in the moving process, so that the first spring 18 is contracted, when the incomplete gear 23 does not contact with the rack 24 any more along with the rotation of the second rotating shaft 16, the first spring 18 starts to rebound, so that the air collecting block 20 and the air inlet pipe 21 are reset, so that the incomplete gear 23 can squeeze the rack 24 again in the rotating process to drive the air collecting block 20 and the air inlet pipe 21 to move, the high-temperature gas generated by the power transformer 2 can be circularly absorbed, and the heat dissipation efficiency is ensured, meanwhile, when a large amount of dust is accumulated in the filter layer 6 inside the air inlet 3 and the air outlet 4 due to long-term work, the air inlet quantity and the air outlet efficiency of the device are guaranteed, the driving gear 25 can be driven to rotate through the rotation of the first rotating shaft 14, then the driving gear 25 can drive the driven gear 27 to rotate through the driving belt 28, the driven gear 27 drives the third rotating shaft 26 and the third bevel gear 29 to rotate, the third bevel gear 29 can drive the fourth bevel gear 30 to rotate in the rotating process, then the fourth bevel gear 30 can drive the cleaning brush 32 to process the dust on the surface of the filter layer 6, so that the dust accumulation on the surface of the filter layer 6 can be prevented, and the heat dissipation efficiency of the device is guaranteed.

Referring to fig. 1, 6, 7, 8, 9 and 10, the present invention provides the following technical solutions: the ship shore power transformer with the wind-cone type heat radiation structure is characterized in that screw grooves 33 are formed in the tops of the four connecting blocks 8, first mounting grooves 34 are formed in the four connecting blocks 8, mounting plates 35 are arranged in the first mounting grooves 34, two connecting rods 36 are symmetrically hinged to one ends of the mounting plates 35 close to the screw grooves 33, first limiting blocks 37 are hinged to the other ends of the two connecting rods 36, a baffle 38 is fixedly connected to the tops of the first limiting blocks 37, a movable rod 39 is fixedly connected to one end of the mounting plates 35, the other ends of the movable rod 39 penetrate through and extend to the outside of the connecting blocks 8, the movable rod 39 is in sliding connection with the connecting blocks 8, first limiting grooves 40 matched with the first limiting blocks 37 are formed in the tops of the four connecting blocks 8, the first limiting block 37 is in sliding connection with the connecting blocks 8 through the first limiting grooves 40, the second mounting grooves 41 are formed in the four connecting blocks 8, the positioning rods 42 are connected with the second mounting grooves 41 in a sliding mode, the tops of the positioning rods 42 extend to the tops of the connecting blocks 8, fixed blocks 43 are fixedly connected to the outer walls of the positioning rods 42, second springs 44 are sleeved outside the positioning rods 42, the tops of the second springs 44 are fixedly connected with the connecting blocks 8, the bottoms of the second springs 44 are fixedly connected with the fixed blocks 43, positioning grooves 45 are formed in the surfaces of the moving rods 39, the outer wall sizes of the positioning rods 42 are matched with the inner wall sizes of the positioning grooves 45, and water outlet grooves 46 are symmetrically formed in the outer walls of the four connecting blocks 8.

The implementation mode specifically comprises the following steps: because boats and ships are comparatively jolt at the in-process that uses, add present transformer and connect through the bolt in the in-process of installing, the in-process of jolting for a long time leads to the bolt to take place not hard up easily, and then influence the fixed quality of power transformer 2, after the user passes through screw groove 33 with the bolt and is connected with connecting seat 7, the user can drive mounting panel 35 through pulling movable rod 39 and remove this moment, mounting panel 35 can drive connecting rod 36 in the in-process of removing and carry out the regulation of angle, this moment connecting rod 36 can drive first stopper 37 and remove along first spacing groove 40, two first stoppers 37 can drive baffle 38 and remove at the in-process of drawing together, when two baffles 38 contact, baffle 38 can carry out spacingly to the position of bolt, thereby can prevent that the bolt from upwards moving, simultaneously can prevent rainwater erosion bolt, thereby make things convenient for the user follow-up to dismantle it, when two baffles 38 contact, the dead lever 42 bottom no longer receives the extrusion of movable rod 39 this moment, second spring 44 can drive the inside of locating rod 42 entering locating slot 45 through rebound this moment, thereby can carry out the fixed position of movable rod 39, thereby can guarantee that the stability can be guaranteed to the stability of connecting box 7, and further can be connected with the stability between the connecting seat, and the device can be further prolonged, and the stability of the equipment can be connected to the stability.

The working principle of the invention is as follows:

referring to fig. 1 to 5, through the cooperation use of the hose 11, the incomplete gear 23 and the rack 24, when a user dissipates heat generated by the power transformer 2 at a high temperature, the user opens the motor 13 to work at this time, and finally can drive the incomplete gear 23 to intermittently drive the rack 24 and the gas collecting block 20 to move through the rotation of the motor 13, so that the air inlet pipe 21 can move in the process of extracting heat, so that the air inlet pipe 21 can extract heat at different positions of the power transformer 2 in the moving process, thereby preventing local temperature of the power transformer 2 from being too high, further guaranteeing the service life of the power transformer 2, and simultaneously, the motor 13 can finally drive the fourth bevel gear 30 and the cleaning brush 32 to circularly rotate in the working process, thereby cleaning dust accumulated on the surface of the filter layer 6, and further guaranteeing the heat dissipation efficiency and quality of equipment.

Further, referring to the drawings of fig. 1, 6, 7, 8, 9 and 10, through the cooperation of the first stopper 37, the baffle 38, the positioning rod 42 and the positioning groove 45, after the user finishes fixing the box 1 through the bolts, the user can move by pulling the moving rod 39 at this time, so that the two baffles 38 can draw close the bolts and limit the bolts at the same time, thereby preventing loosening of the bolts caused by shaking of the ship, and simultaneously limiting and fixing the position of the moving rod 39 through the positioning rod 42, thereby ensuring the stability of the baffles 38, further ensuring the overall stability of the equipment, and further prolonging the service life of the equipment.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A ship shore power transformer with a wind tunnel type heat radiation structure comprises a box body (1);

the power transformer (2) is fixedly connected to the inner wall of the box body (1);

the air inlet (3) is formed in one end of the box body (1);

the air outlet (4) is formed in the other end of the box body (1), and an air duct (5) is fixedly connected to the inner wall of the air outlet (4);

the filter layer (6) is fixedly connected to the inside of the air inlet (3);

the connecting seat (7) is arranged at the bottom of the box body (1);

the connecting block (8) is fixedly connected to the outer walls of the periphery of the box body (1);

the method is characterized in that:

the utility model discloses a negative pressure fan, including dryer (5) inner wall fixedly connected with negative pressure fan (9), negative pressure fan (9) one end fixedly connected with air-supply line (10), air-supply line (10) other end fixedly connected with hose (11), box (1) outer wall fixedly connected with protective housing (12), protective housing (12) inner wall fixedly mounted has motor (13), motor (13) output fixedly connected with first pivot (14), first bevel gear (15) of first pivot (14) bottom fixedly connected with, box (1) inner wall rotation is connected with second pivot (16), box (1) inner wall fixedly connected with backup pad (17), box (1) inner wall fixedly connected with first spring (18), first slider (19) of first spring (18) other end fixedly connected with, first slider (19) other end fixedly connected with gas-collecting channel (20), two rows of intake pipe (21) of gas-collecting channel (20) bottom equidistance fixedly connected with.

2. The marine shore power transformer with air duct type heat dissipation structure of claim 1, wherein: the gas collecting device is characterized in that a second bevel gear (22) meshed with the first bevel gear (15) is fixedly connected to the outer wall of the second rotating shaft (16), an incomplete gear (23) is fixedly connected to the outer wall of the second rotating shaft (16), a rack (24) is fixedly connected to the top of the gas collecting block (20), and the incomplete gear (23) is matched with the rack (24).

3. The marine shore power transformer with air duct type heat dissipation structure of claim 1, wherein: the top of the first sliding block (19) is in sliding connection with the supporting plate (17), the other end of the hose (11) is fixedly connected with the gas collecting block (20), the hose (11) is communicated with the gas collecting block (20), and the gas collecting block (20) is communicated with the gas inlet pipe (21).

4. The marine shore power transformer with air duct type heat dissipation structure of claim 1, wherein: the novel automatic box is characterized in that a driving gear (25) is fixedly connected to the outer wall of the first rotating shaft (14), two third rotating shafts (26) are symmetrically and rotatably connected to the outer wall of the box body (1), driven gears (27) are fixedly connected to the outer walls of the two third rotating shafts (26), a transmission belt (28) which is matched with the outer wall of the driving gear (25) is meshed with the outer wall of the driving gear, and the driving gear (25) is in transmission connection with the driven gears (27) through the transmission belt (28).

5. The marine shore power transformer with air duct type heat dissipation structure as defined in claim 4, wherein: third pivot (26) bottom fixedly connected with third bevel gear (29), box (1) outer wall symmetry rotation is connected with two fourth bevel gears (30), and two logical groove (31) have all been seted up on fourth bevel gear (30) surface, logical groove (31) inner wall fixedly connected with cleaning brush (32).

6. The marine shore power transformer with air duct type heat dissipation structure as defined in claim 4, wherein: the cleaning brush (32) is in contact with the filter layer (6), the cleaning brush (32) is rectangular, and the supporting plate (17) is U-shaped.

7. The marine shore power transformer with air duct type heat dissipation structure of claim 1, wherein: the four screw grooves (33) are formed in the tops of the connecting blocks (8), the four first mounting grooves (34) are formed in the connecting blocks (8), mounting plates (35) are arranged in the first mounting grooves (34), two connecting rods (36) are symmetrically hinged to one ends, close to the screw grooves (33), of the mounting plates (35), first limiting blocks (37) are hinged to the other ends of the connecting rods (36), and baffle plates (38) are fixedly connected to the tops of the first limiting blocks (37).

8. The marine shore power transformer with air duct type heat dissipation structure of claim 7, wherein: mounting panel (35) one end fixedly connected with movable rod (39), the movable rod (39) other end runs through and extends to connecting block (8) outside, movable rod (39) and connecting block (8) sliding connection, four first spacing groove (40) with first stopper (37) looks adaptation have all been seted up at connecting block (8) top, first stopper (37) are through first spacing groove (40) and connecting block (8) sliding connection.

9. The marine shore power transformer with air duct type heat dissipation structure of claim 8, wherein: four second mounting groove (41) have all been seted up to connecting block (8) inside, second mounting groove (41) inside sliding connection has locating lever (42), locating lever (42) top extends to connecting block (8) top, locating lever (42) outer wall fixedly connected with fixed block (43), locating lever (42) outside cover is equipped with second spring (44), second spring (44) top and connecting block (8) fixed connection, second spring (44) bottom and fixed block (43) fixed connection, locating slot (45) have been seted up on movable rod (39) surface.

10. The marine shore power transformer with wind barrel heat dissipation structure of claim 9, wherein: the outer wall size of the positioning rod (42) is matched with the inner wall size of the positioning groove (45), and water outlet grooves (46) are symmetrically formed in the outer walls of the four connecting blocks (8).