CN114178512A

CN114178512A - Rotary cooling device

Info

Publication number: CN114178512A
Application number: CN202111488328.9A
Authority: CN
Inventors: 杨智; 裴斌; 高守国; 熊益军; 唐勇斌; 李辉; 万里鹏
Original assignee: AECC South Industry Co Ltd
Current assignee: AECC South Industry Co Ltd
Priority date: 2021-12-08
Filing date: 2021-12-08
Publication date: 2022-03-15
Anticipated expiration: 2041-12-08
Also published as: CN114178512B

Abstract

The invention discloses rotary cooling equipment which comprises a cooling device, wherein the cooling device is used for cooling the surface of a lead bronze casting and cooling the surface of the lead bronze casting at different positions; the lifting device is used for driving the lead bronze casting to be cooled to lift so as to facilitate the cooling device to cool the lead bronze casting to be cooled; the optional device is detachably connected with the lifting device and drives the lead bronze casting to be cooled to rotate to switch positions so that the cooling device can fully cool the lead bronze casting to be cooled; the base, be provided with the protection casing on the base, be provided with the support frame in the protection casing, the support frame is used for the installation cooling device, rotary device set up in on the base, the lifting device set up in on the support frame and connect rotary device has and carries out the condition emergence that evenly cools off reduction lead bronze foundry goods damage to the lead bronze foundry goods.

Description

Rotary cooling device

Technical Field

The invention relates to the technical field of cooling of lead bronze parts of aircraft engines, in particular to rotary cooling equipment for the lead bronze parts of the aircraft engines.

Background

Lead bronze is a copper alloy containing lead, and a lead bronze casting is formed by hot casting during manufacturing, and is generally used as a bearing part of an aircraft engine. And cooling treatment is needed after the casting of the lead bronze casting is finished. The prior art has cooled by leaving the lead bronze casting in place. Because the lead distribution of the lead bronze casting is different, the cooling speed of each part is different, and copper is easy to oxidize in the air at high temperature, thus easily forming the defect of the lead bronze casting.

In view of the above-mentioned deficiencies of the prior art, the present invention provides a rotary cooling apparatus for cooling a lead bronze casting.

Disclosure of Invention

The invention provides rotary cooling equipment, which aims to solve the technical problems that in the prior art, a lead bronze casting is placed and cooled, the cooling speed of each part is different due to different lead distribution of the lead bronze casting, copper is easy to oxidize in air at high temperature, and the lead bronze casting is easy to form.

According to an aspect of the present invention, there is provided a rotary cooling apparatus comprising:

the cooling device is used for cooling the surface of the lead bronze casting and cooling the surface of the lead bronze casting at different positions;

the lifting device is used for driving the lead bronze casting to be cooled to lift so as to facilitate the cooling device to cool the lead bronze casting to be cooled;

the optional device is detachably connected with the lifting device and drives the lead bronze casting to be cooled to rotate to switch positions so that the cooling device can fully cool the lead bronze casting to be cooled;

the base, be provided with the protection casing on the base, be provided with the support frame in the protection casing, the support frame is used for the installation cooling device, rotary device set up in on the base, the lifting device set up in on the support frame and connect rotary device.

Through adopting above-mentioned technical scheme, when carrying out cooling treatment to the lead bronze foundry goods, go up the lifting device with the lead bronze foundry goods and descend to cooling device department and cool off, rotate the lead bronze foundry goods through rotary device, the position of adjusting the lead bronze foundry goods according to cooling device's position carries out cooling treatment, carry out the adjustment of a plurality of positions and carry out cooling treatment to the lead bronze foundry goods through lifting device cooperation rotary device, ensure the even cooling in each position of lead bronze foundry goods, avoid the lead bronze foundry goods because the cooling is inhomogeneous to cause the damage, install the location to each subassembly through the base, ensure the stability of lead bronze foundry goods among the cooling process, it reduces the condition emergence of lead bronze foundry goods damage to have to carry out even cooling to the lead bronze foundry goods.

Further, cooling device includes atomization component, atomization component set up in on the support frame, atomization component is used for spouting water smoke and treats the refrigerated lead bronze foundry goods and cool down, atomization component includes water spray unit and jet-propelled unit, the water spray unit with jet-propelled unit combines to produce water smoke.

Through adopting above-mentioned technical scheme, when cooling down the lead bronze foundry goods, with rivers atomization treatment under atomization component's effect, increase the area of contact between rivers and the lead bronze foundry goods, through water spray unit transmission rivers, the rivers that transmit the water spray unit under the effect of jet-propelled unit are broken up and are formed the fog and carry out cooling treatment to the lead bronze foundry goods to evenly cool down the lead bronze foundry goods.

Further, the air injection unit comprises an annular air pipe, an air inlet pipe and a compressed air pump, the annular air pipe is arranged on the support frame, the air inlet pipe is communicated with the annular air pipe, and the compressed air pump is connected with the air inlet pipe and conveys compressed air.

By adopting the technical scheme, gas is transmitted into the annular air pipe along the air inlet pipe through the compressed air pump, the annular air pipe is arranged on the support frame, water flow transmitted by the water spraying unit is dispersed through air supply of the annular air pipe to form water mist, and the lead bronze casting is cooled through the generated water mist to realize the purpose of uniform cooling.

Further, the water spray unit comprises an annular water pipe, a water inlet pipe, a water pump, a water storage tank and a sprayer, wherein the annular water pipe is arranged on the support frame, the water inlet pipe is connected with the annular water pipe, the water pump is arranged in the water storage tank and connected with the water inlet pipe, the sprayer is connected with the annular water pipe, an air inlet part is arranged in the sprayer, the air inlet part is connected with the annular air pipe, and the air inlet part is used for conveying compressed air to enter the sprayer.

Through adopting above-mentioned technical scheme, when carrying out the water spray cooling to the lead bronze foundry goods, in carrying rivers to the annular water pipe through the water pump setting in the storage water tank, through the annular water pipe through rivers transmission to shower nozzle department and form multiunit rivers in the shower nozzle, form the surface that the fog sprayed to the lead bronze foundry goods through the jet-propelled unit scattering, evenly cool off the surface of lead bronze foundry goods.

Furthermore, the air inlet part comprises a connecting pipe, the connecting pipe is connected with the annular air pipe and the spray head, and the connecting pipe is arranged in the spray head and used for dispersing water flow in the spray head to form mist.

Through adopting above-mentioned technical scheme, set up the portion of admitting air on the shower nozzle, set up the portion of admitting air into the connecting pipe, connect annular trachea and shower nozzle through the connecting pipe, thereby carry out the atomizing cooling processing to the lead bronze foundry goods with the rivers of formation fog that break away in gaseous transmission to the shower nozzle in the annular trachea and to the shower nozzle.

Furthermore, the lifting device comprises a mounting seat, a lifting column, a lifting rod and a connecting part, the lifting rod is hinged to the mounting seat, the lifting rod penetrates through the protective cover, and the connecting part is arranged between the lifting rod and the lifting column and used for connecting the lifting column and the lifting rod.

Through adopting above-mentioned technical scheme, connect the upset around the mount pad hinge through the lifting pole, drive the lift post together and go up and down under the effect that the lift post is connected to connecting portion, lift the lift height of the angle of the upset of pole through the control and control the lead bronze foundry goods, and will lift the end of gripping of pole and pass the protection casing setting, convenient operation, it causes the scald to touch with the lead bronze foundry goods when avoiding lifting the lift post.

Furthermore, the connecting portion comprises a U-shaped clamping hand and a plurality of clamping rings, a clamping groove is formed between the clamping rings, and the U-shaped clamping hand is clamped on the outer wall of the lifting column and abutted to the clamping groove and used for abutting against the clamping rings through the U-shaped clamping hand and driving the lifting column to move up and down when the lifting rod turns over.

Through adopting above-mentioned technical scheme, connecting portion include the U-shaped card hand, connecting the lift post and ordering about the lift post and reciprocate, through the centre gripping inslot of U-shaped card hand joint between the grip ring, when lifting the lift post, through U-shaped card hand butt at the centre gripping inslot, when reciprocating the lift post, rotate through lifting the pole and order about U-shaped card hand butt and reciprocate at the centre gripping inslot and to the grip ring application of force drive lift post, it reciprocates and does not influence lift post pivoted effect to have convenient order about the lift post.

Further, rotary device includes the tooth and inlays the clutch, rotates seat, drive division in power portion, rotate seat fixed connection in on the base, it is connected with the bull stick to rotate on the seat, the tooth inlays the clutch set up in the upper end of bull stick, the end connection of tooth inlays the clutch in the bottom of lift post, the drive division set up in the bottom of bull stick, drive division connection power portion is used for driving the bull stick rotates.

Through adopting above-mentioned technical scheme, when ordering about the lead bronze foundry goods and carry out rotary cooling, through connecting the bull stick with the dog clutch, connect power portion work through the drive division and drive the bull stick and rotate to order about the lead bronze foundry goods and rotate with the lift post together, have convenient operation and to the effect of lead bronze foundry goods stable cooling.

Further, the driving portion includes worm wheel and worm, the worm wheel set up in the bottom of bull stick, the worm with the worm wheel meshing and rotate connect in rotate between the inner wall of seat, the one end of worm rotates to wear to establish rotate the seat, the end that stretches out of worm with the power portion is connected.

Through adopting above-mentioned technical scheme, the drive division includes the worm wheel in the worm, rotates through the worm and drives the worm wheel and rotate, drives the bull stick rotation under the meshing transmission of worm wheel and worm, and worm wheel and worm have self-locking function, thereby can not cause the bull stick gyration when rotating the bull stick to the assigned position and lead to the problem emergence that can't be connected with the bull stick when moving down.

Further, the power part comprises an engine, a driving wheel, a driven wheel and a belt, the driving wheel is connected with an output shaft of the engine, the driven wheel is connected with an extending end of the worm, and the belt is sleeved on the outer walls of the driving wheel and the driven wheel and is in tensioning arrangement.

Through adopting above-mentioned technical scheme, when ordering about the lead bronze foundry goods and rotate, drive the initiative through the engine and rotate in rotation, order about under the transportation of belt and rotate from the driving wheel, drive the worm through following the driving wheel and rotate and then order about the worm wheel and rotate and drive the bull stick and rotate on rotating the seat, drive the lift post and rotate and then order about the lead bronze foundry goods upset on the lift post under the effect of jaw clutch, carry out multi-angle spray rinsing cooling.

The invention has the following beneficial effects:

the invention relates to a rotary cooling device, which is used for cooling a lead bronze casting, wherein the lead bronze casting is placed on a tray, a driving wheel is driven by a motor to rotate to drive a driven wheel to rotate so as to drive a worm to rotate, a rotating rod is driven to rotate under the meshing of a worm wheel and the worm, a U-shaped clamping hand on the lifting rod is driven to extrude by pressing the lifting rod, a butting ball on the clamping hand is inserted into a clamping groove between clamping rings of a lifting column, the lifting column is driven by the lifting rod to move downwards to a specified position, water in a water storage tank is transmitted into an annular water pipe by a water pump, air flow is transmitted into the annular air pipe by a compression air pump, the air flow is transmitted into a spray head by a connecting pipe and dispersed into water mist at two sides of the spray head, the lead bronze casting is cooled by the water mist, the utilization rate of a water source is improved, energy is saved, and the contact area between the water flow and the lead bronze casting is increased, the cooling efficiency of the lead bronze casting is improved.

In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic overall structure of a preferred embodiment of the present invention;

FIG. 2 is a schematic view of the structure within the enclosure of FIG. 1;

FIG. 3 is a schematic structural view of the driving part of FIG. 1;

FIG. 4 is a schematic top view of the structure of FIG. 1;

FIG. 5 is a schematic structural view of the sprinkler head of FIG. 4;

fig. 6 is an enlarged schematic view of a structure at a in fig. 1.

Illustration of the drawings:

1. a base; 11. a protective cover; 12. a support frame; 2. a cooling device; 21. a connecting pipe; 22. a gas injection unit; 221. an annular air pipe; 222. an air inlet pipe; 223. compressing the air pump; 23. a water spray unit; 231. an annular water pipe; 232. a water inlet pipe; 233. a water pump; 234. a spray head; 3. a lifting device; 31. a mounting seat; 32. a lifting column; 33. lifting the rod; 34. a connecting portion; 341. a U-shaped clamping arm; 342. a clamp ring; 343. a clamping groove; 35. a tray; 4. a rotating device; 41. a jaw clutch; 42. a rotating seat; 43. a rotating rod; 44. a drive section; 441. a worm; 442. a worm gear; 45. a power section; 451. an engine; 452. a driving wheel; 453. a driven wheel; 454. a belt.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the accompanying drawings, but the invention can be embodied in many different forms, which are defined and covered by the following description.

Example 1

As shown in fig. 1 and 2, this embodiment discloses a rotary cooling device, including cooling device 2, lifting device 3, rotary device 4 and base 1, rotary device 4 sets up on base 1, rotary device 4 connects lifting device 3 and orders about the lift of lead bronze foundry goods and rotation, aim at the lead bronze foundry goods on the lifting device 3 through the cooling device 2 that sets up on the base 1 and cool down, order about the lead bronze foundry goods oscilaltion and rotation and cool down each position of lead bronze ware through cooling device 2 under rotary device 4 and lifting device 3's cooperation, and order about the even cooling of lead bronze foundry goods. The base 1 is provided with a protective cover 11, a support frame 12 installed on the base 1 is arranged in the protective cover 11, and the cooling device 2 is installed through the support frame 12.

Referring to fig. 2, 3 and 4, the cooling device 2 comprises an atomizing assembly, the atomizing assembly comprises a water spraying unit 23 and an air spraying unit 22, and when the lead bronze casting is cooled, the water spraying unit 23 and the air spraying unit 22 are combined to generate mist, so that the utilization rate of water flow is improved, the contact area between the water flow and the lead bronze casting is increased, and the lead bronze casting is uniformly cooled. The water spraying unit 23 comprises an annular water pipe 231, a water inlet pipe 232, a water pump 233, a water storage tank and a spray head 234, the annular water pipe 231 is welded on the support frame 12, one side of the annular water pipe 231, facing the lead bronze casting, is connected with the spray head 234, and the spray head 234 is in threaded connection with the annular water pipe 231. The inlet tube 232 sets up on annular water pipe 231 and deviates from one side of plumbous bronze foundry goods, and annular water pipe 231 and water pump 233 are connected to inlet tube 232, places water pump 233 in the water tank, connects the power through water pump 233 and supplies water to annular water pipe 231. Three flow paths are arranged in the spray head 234, the flow paths on the two sides are water flows, the middle flow path is air flow, and the water flows are dispersed into mist through the impact of the air flow on the water flows on the two sides, so that the lead bronze casting is cooled. An electromagnetic valve and a pressure regulating valve are arranged at the joint of the annular air pipe 221 and the spray head 234, the on-off of water flow is controlled by the electromagnetic valve, the pressure sprayed by the water flow is controlled by the pressure regulating valve, and therefore the water flow is sprayed at high pressure to form mist and the lead bronze casting is cooled. .

Referring to fig. 1, 3, 4 and 5, the air injection unit 22 includes an annular air pipe 221, an air inlet pipe 222 and a compressed air pump 223, the annular air pipe 221 is disposed on the support frame 12, the air inlet pipe 222 is connected to the annular air pipe 221 to deliver air, one end of the air inlet pipe 222 is connected to the annular air pipe 221, the other end of the air inlet pipe 221 is connected to the compressed air pump 223, and the air delivered by the compressed air pump 223 is transmitted into the annular air pipe 221 through the air inlet pipe 222 and delivered to the nozzle 234. The nozzle 234 is provided with an air inlet portion, which is a connection pipe 21, and connects the annular air pipe 221 and the nozzle 234 via the connection pipe 21 to deliver an air flow to an intermediate flow path of the nozzle 234. And the joint of the annular air pipe 221 and the connecting pipe 21 is provided with an electromagnetic valve and a pressure regulating valve, the gas delivery opening of the annular air pipe 221 is controlled by a battery valve, the gas delivery opening of the annular air pipe 221 is connected with the pressure regulating valve, the gas is output from the pressure regulating valve, the pressure of the gas is controlled, and therefore the high-pressure gas is output to disperse water flow to form mist to cool the lead bronze casting.

Referring to fig. 1 and 6, the lifting device 3 includes a mounting seat 31, a lifting column 32, a lifting rod 33 and a connecting portion 34, the upper end of the lifting column 32 is connected with a tray 35, and a lead bronze casting is held by the tray 35. The mounting seat 31 is arranged on the support frame 12, the lifting rod 33 is hinged to the mounting seat 31, the lifting rod 33 is connected with the lifting column 32 through the connecting portion 34, and the lifting rod 33 overturns to drive the lifting column 32 to move up and down. The connecting portion 34 includes a U-shaped clamping arm 341 and a clamping ring 342, a clamping groove 343 is formed between two adjacent clamping rings 342, the U-shaped clamping arm is connected to the end of the lifting rod 33 and abuts against the clamping groove 343, and the lifting rod 33 is turned over to drive the U-shaped clamping arm 341 to abut against the clamping ring 342 to drive the lifting column 32 to move up and down. An abutting ball is provided on an inner wall of the U-shaped catch 341, and abuts against the inside of the holding groove 343 to drive the raising/lowering column 32. The support frame 12 is provided with a support plate, a through hole is formed in the middle of the support plate, guide cylinders are arranged on two sides of the through hole, the lifting rotor penetrates through the through hole to move up and down along the guide cylinders, and the moving stability of the lifting column 32 is guaranteed.

Referring to fig. 1, 2 and 3, the rotating device 4 includes a jaw clutch 41, a rotating base 42, a driving portion 44 and a power portion 45, the jaw clutch 41 is connected to the bottom end of the lifting column 32, the jaw clutch 41 connects the lifting column 32 and the rotating base 42, a rotating rod 43 is disposed on the rotating base 42, the rotating rod 43 is rotatably connected to the rotating base 42, and the rotating rod 43 is detachably connected to the lifting column 32 through the jaw clutch 41. The bottom of bull stick 43 is provided with drive division 44, and drive division 44 is connected power portion 45 work, exerts power to drive division 44 through power portion 45, drives bull stick 43 and rotates, and bull stick 43 connects the lift post 32 under the effect of jaw clutch 41 and orders about the lift post 32 rotation and then carries out the atomizing of multi-angle and wash the cooling to the lead bronze foundry goods.

Referring to fig. 1, 2 and 3, the driving part 44 includes a worm wheel 442 and a worm 441, the worm wheel 442 is fixed at the bottom end of the rotating rod 43, the worm 441 is rotatably connected in the rotating seat 42 and meshed with the worm wheel 442, the worm 441 rotates to drive the worm wheel 442 to rotate so as to drive the rotating rod 43 to rotate, the rotating rod 43 is connected with the lifting column 32 under the action of the jaw clutch 41 to drive the lifting column 32 to rotate, so as to rotate the lead bronze casting, and the lead bronze casting is lifted and lowered to be washed and cooled. The power unit 45 includes an engine 451, a drive pulley 452, a driven pulley 453, and a belt 454. The engine 451 is arranged on the base 1, an output shaft of the engine 451 is coaxially fixed with the driving wheel 452, one end of the worm 441 rotates to penetrate through the base 1, the driven wheel 453 is coaxially fixed with an extending end of the worm 441, the belt 454 is sleeved on the outer walls of the driving wheel 452 and the driven wheel 453 and is in tensioning arrangement, the driving wheel 452 is driven to rotate by the engine 451 to drive the driven wheel 453 to rotate so as to drive the worm 441 to rotate, the rotating rod 43 is driven to rotate by the meshing of the worm wheel 442 and the worm 441, and therefore the lifting column 32 is driven to rotate to drive the lead bronze casting to rotate for washing and cooling.

The working principle of the rotary cooling device of the embodiment is as follows: when the lead bronze casting is cooled, the lead bronze casting is placed on the tray 35, the driving wheel 452 is driven to rotate by the motor to drive the driven wheel 453 to rotate, the worm 441 is driven to rotate, the rotating rod 43 is driven to rotate under the meshing of the worm wheel 442 and the worm 441, the U-shaped clamping hand 341 on the lifting rod 33 is driven to extrude by pressing the lifting rod 33, the abutting ball on the clamping hand is inserted into the clamping groove 343 between the clamping rings 342 of the lifting column 32, the lifting column 32 is driven to move downwards to a specified position by the lifting rod 33, water in the water storage tank is transmitted into the annular water pipe 231 by the water pump 233, air flow is transmitted into the annular air pipe 221 by the compression air pump 223, the air flow is transmitted into the spray head 234 by the connecting pipe 21 and water flows at two sides in the spray head 234 are dispersed to form water mist, the lead bronze casting is cooled by the water mist, and the utilization rate of a water source is improved, the energy is saved, the contact area between water flow and the lead bronze casting is increased, and the cooling efficiency of the lead bronze casting is improved.

Example 2

The difference between this embodiment and embodiment 1 is that the driving portion 44 includes a first bevel gear and a second bevel gear, the first bevel gear is fixedly connected to the bottom end of the rotating rod 43, the second bevel gear is rotatably connected between the inner walls of the rotating seats 42 and is meshed with the first bevel gear, and the rotating rod 43 is driven to rotate under the action of the first bevel gear meshed with the second bevel gear by driving the second bevel gear to rotate, so that the lifting column 32 is driven to rotate, the tray 35 is driven to rotate, and the lead bronze casting is driven to rotate, wash and cool.

Example 3

The present embodiment is different from embodiment 1 in that the power unit 45 includes an engine 451 and a coupling, the engine 451 is disposed on the base 1, the protruding end of the worm 441 and the output shaft end of the engine 451 are connected through the coupling, the protruding end of the engine 451 and the worm 441 are connected through the coupling, the output shaft of the engine 451 can be reduced to be directly connected with the worm 441 under the connection of the coupling, the damage to the engine 451 is reduced, and the service life of the engine 451 is prolonged.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A rotary cooling apparatus, characterized by: the method comprises the following steps:

the cooling device (2) is used for cooling the surface of the lead bronze casting and cooling the surface of the lead bronze casting at different positions;

the lifting device (3) is used for driving the lead bronze casting to be cooled to lift so as to facilitate the cooling device (2) to cool the lead bronze casting to be cooled;

the rotating device (4) is detachably connected with the lifting device (3) and drives the lead bronze casting to be cooled to rotate to switch positions so that the cooling device (2) can sufficiently cool the lead bronze casting to be cooled;

base (1), be provided with protection casing (11) on base (1), be provided with support frame (12) in protection casing (11), support frame (12) are used for the installation cooling device (2), rotary device (4) set up in on base (1), lifting device (3) set up in on support frame (12) and connect rotary device (4).

2. A rotary cooling device according to claim 1, wherein: cooling device (2) include atomizing component, atomizing component set up in on support frame (12), atomizing component is used for spouting water smoke in order to treat the refrigerated lead bronze foundry goods and cool down, atomizing component includes water spray unit (23) and jet-propelled unit (22), water spray unit (23) with jet-propelled unit (22) combine to produce the water smoke.

3. A rotary cooling device according to claim 2, wherein: the air injection unit (22) comprises an annular air pipe (221), an air inlet pipe (222) and a compressed air pump (223), the annular air pipe (221) is arranged on the support frame (12), the air inlet pipe (222) is communicated with the annular air pipe (221), and the compressed air pump (223) is connected with the air inlet pipe (222) and conveys compressed air.

4. A rotary cooling device according to claim 3, wherein: the water spraying unit (23) comprises an annular water pipe (231), an inlet pipe (232), a water pump (233), a water storage tank and a spray head (234), the annular water pipe (231) is arranged on the support frame (12), the inlet pipe (232) is connected with the annular water pipe (231), the water pump (233) is arranged in the water storage tank and connected with the inlet pipe (232), the spray head (234) is connected with the annular water pipe (231), an air inlet part is arranged in the spray head (234), the air inlet part is connected with the annular air pipe (221), and the air inlet part is used for conveying compressed air into the spray head (234).

5. A rotary cooling device according to claim 4, wherein: the air inlet part comprises a connecting pipe (21), the connecting pipe (21) is connected with the annular air pipe (221) and the spray head (234), and the connecting pipe (21) is arranged in the spray head (234) and disperses water flow in the spray head (234) to form mist.

6. A rotary cooling device according to claim 3, wherein: the lifting device (3) comprises a mounting seat (31), a lifting column (32), a lifting rod (33) and a connecting part (34), the lifting rod (33) is hinged to the mounting seat (31), the lifting rod (33) penetrates through the protective cover (11), and the connecting part (34) is arranged between the lifting rod (33) and the lifting column (32) and used for connecting the lifting column (32) and the lifting rod (33).

7. A rotary cooling device according to claim 6, wherein: the connecting portion (34) comprises a U-shaped clamping hand (341) and a plurality of clamping rings (342), a clamping groove (343) is formed between the clamping rings (342), and the U-shaped clamping hand (341) is clamped on the outer wall of the lifting column (32) and abutted to the clamping groove (343) and used for abutting against the clamping rings (342) through the U-shaped clamping hand (341) and driving the lifting column (32) to move up and down when the lifting rod (33) is turned over.

8. A rotary cooling device according to claim 7, wherein: rotary device (4) include jaw clutch (41), rotate seat (42), drive division (44) and power portion (45), rotate seat (42) fixed connection in on base (1), it is connected with bull stick (43) to rotate on seat (42), jaw clutch (41) set up in the upper end of bull stick (43), the end connection of jaw clutch (41) in the bottom of lift post (32), drive division (44) set up in the bottom of bull stick (43), drive division (44) are connected power portion (45) and are used for driving bull stick (43) rotate.

9. A rotary cooling device according to claim 8, wherein: the driving portion (44) comprises a worm wheel (442) and a worm (441), the worm wheel (442) is arranged at the bottom end of the rotating rod (43), the worm (441) is meshed with the worm wheel (442) and is rotatably connected between the inner walls of the rotating seat (42), one end of the worm (441) is rotatably arranged through the rotating seat (42), and the extending end of the worm (441) is connected with the power portion (45).

10. A rotary cooling device according to claim 9, wherein: the power part (45) comprises an engine (451), a driving wheel (452), a driven wheel (453) and a belt (454), the driving wheel (452) is connected with an output shaft of the engine (451), the driven wheel (453) is connected with an extending end of the worm (441), and the belt (454) is sleeved on the outer walls of the driving wheel (452) and the driven wheel (453) and is in tensioning arrangement.