CN217421590U - Novel ventilation cooling device for air duct of tubular turbine unit - Google Patents

Abstract

The utility model belongs to the technical field of the ventilation cooling, especially, relate to a novel ventilation cooling of through-flow unit ventilating duct device. The technical problems that the space in the bubble head is large, the cold air path is long, the loss is large, and the cooling effect of the unit is greatly influenced can be solved. The air guide duct is additionally arranged between the fan and the air cooler, so that cold air cooled by the air cooler directly enters the fan through the air guide duct, when the unit operates, the cold air is sent into the end part of the stator cavity of the rotor bracket by the fan, then respectively enters the magnetic poles of the rotor, the air gap of the stator and the rotor, and the axial ventilation holes of the punching teeth of the stator iron core, and hot air gathered at the end part of the cavity of the stator bubble head enters the air cooler and then enters the fan through the air guide duct after being cooled to form circulation.

Description

Novel ventilation cooling device for air duct of tubular turbine unit

Technical Field

The utility model belongs to the technical field of the ventilation cooling, especially, relate to a novel ventilation cooling of through-flow unit ventilating duct device.

Background

At present, the ventilation mode commonly used on the existing turbine set is axial closed circulation ventilation. The air path cooling system includes: the air cooler comprises a fan, an air cooler, a wind shield, a stator, a rotor and the like. When the unit operates, cold air is respectively passed through the rotor magnetic poles, the stator-rotor air gaps and the axial air vents of the stator core punching sheet tooth parts by the fan, hot air is collected at the end part of the stator cavity of the stator, passes through the stator front frame through the rotor support hole and is collected to the bulb head, and then is cooled by the air cooler, and is sent into the stator and the rotor by the fan after being cooled to form circulation. After the circulation air path is cooled by the air cooler, cold air enters the fan through the bubble head cabin, the space in the bubble head is large, the cold air path is long, the loss is large, and the cooling effect of the unit is greatly influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel ventilation cooling of through-flow unit guide duct device to it is very big to solve bubble head inner space, and the cold wind route is longer, and the loss is great, has the technical problem of very big influence to the unit cooling effect.

In order to achieve the above object, the present invention provides a ventilation cooling device for a turbine air duct, which comprises:

the utility model provides a novel ventilation cooling of through-flow unit guide duct device, includes the bubble head, bubble head inside divide into bubble head chamber and stator cavity through hollow partition with bubble head inside, and stator intracavity is provided with stator and rotor, intercommunication bubble head chamber and stator cavity on hollow partition is arranged in to the fan, and it has air intake and air outlet to open on the hollow partition, and air outlet department is provided with air cooler, and air intake department is provided with the deep bead, air cooler passes through the guide duct and links to each other with the fan.

Furthermore, the air duct is an L-shaped pipe body, the upper end of the air duct is a closed end, the lower end of the air duct is an open end, and the side wall of the air duct is communicated with the fan through a connecting pipeline.

Furthermore, a flow control assembly for adjusting air volume is arranged in the air guide cylinder.

Further, the flow control assembly includes: the flow control part is arranged on the inner wall of the air duct and positioned below the connecting pipeline, the transmission component is arranged on the flow control part, and the driving component is arranged on the closed end and connected with the transmission component.

Further, the flow rate control portion includes: the mounting ring is installed on the inner wall of the air guide cylinder, the sealing barrel is coaxially arranged inside the mounting ring, a plurality of air passing grooves are formed in the circumferential array of the end face of the mounting ring and communicated with the shaft holes in the mounting ring, a plurality of mounting holes are formed in the circumferential direction of the side wall of the sealing barrel, the positions of the mounting holes correspond to the positions of the air passing grooves, the rotary plate is embedded in the mounting holes and rotates in the mounting holes, the separation blade is installed at one end of the rotary plate and is matched with the air passing groove in a shape box, and the transmission assembly is connected with the other end of the rotary plate.

Further, the transmission assembly includes: threaded rod, internal thread cover, hinge bar and actuating lever, the threaded rod lower extreme passes through the bearing and links to each other with sealed barrel head portion, and the threaded rod upper end is passed sealed barrel head portion and is linked to each other with drive assembly, and the threaded rod sets up with sealed barrel is coaxial, and the cover is equipped with the internal thread cover on the threaded rod, and internal thread cover lateral wall week upwards is provided with a plurality of articulated seats, and hinge bar one end links to each other with articulated seat, and carousel end other end off-centre is provided with the actuating lever, and the other end and the actuating lever of hinge bar are articulated.

Further, the drive assembly includes: the air guide duct comprises a driving disc, a first connecting rotating shaft and a limiting mechanism, wherein one end of the first connecting rotating shaft penetrates through the closed end of the air guide duct and is coaxially connected with the upper end of the threaded rod, the driving disc is coaxially arranged at the other end of the first connecting rotating shaft, and the driving disc is matched with the top of the closed end for limiting through the limiting mechanism.

Further, stop gear includes: the lower end face of the driving disc is provided with an installation blind hole, the positioning column is arranged in the installation blind hole, the thrust spring is located between the installation blind hole and the positioning column, the upper end of the closed end is circumferentially provided with a plurality of limiting holes, and the limiting holes are matched with the positioning column for limiting.

Further, the transmission assembly includes: first bevel gear group and optical axis, the optical axis lower extreme passes through the bearing and links to each other with sealed barrel head portion, and the optical axis upper end passes sealed barrel head portion and links to each other with drive assembly, and the optical axis sets up with sealed barrel is coaxial, and the optical axis is through the rotation of first bevel gear group drive carousel.

Further, the drive assembly includes: the second is connected pivot, is rotated handle, spacing ring and second bevel gear group, pivot one end is connected through second bevel gear group drive optical axis and is rotated to the second, and the other end that the pivot was connected to the second passes the air duct lateral wall and is connected with and rotates the handle, and the cover is equipped with on the pivot is connected to the second and prevents that the second from connecting pivot axial float end spacing ring.

The utility model has the advantages of:

the technical means is adopted, so that the problems that the cooling effect of the unit is influenced due to the fact that the path of the cold air is too long and the loss is serious are effectively solved; meanwhile, aiming at controlling the air quantity flowing through the air duct, two modes are provided for selection:

1. the driving disc is manually rotated, the first connecting rotating shaft is driven to rotate through the driving disc, the threaded rod is driven to rotate through the first connecting rotating shaft, the internal thread sleeve is driven to move along the axial direction of the threaded rod through the threaded connection between the threaded rod and the internal thread sleeve, the hinge rod is driven to move, the driving rod is driven to move through the hinge rod, the separating blade is driven to rotate through the driving rod, the area of a gap between the separating blade and the air passing groove is changed, and the air flow passing through the air passing groove is adjusted; meanwhile, the positioning column is matched with the limiting hole, so that the rotating position of the driving disc is positioned, and the positioning of the rotating position of the driving disc is prevented from being changed under the condition of external interference;

2. the handle is rotated in manual rotation, and then the second is being driven through rotating the handle and is being connected the pivot, and then connect the pivot through the second and drive the rotation of second bevel gear group, and then drive the optical axis motion through second bevel gear group, and then drive the motion of first bevel gear group through the optical axis, and then drive the motion of drive carousel through first bevel gear group, and then make the area in separation blade and the clearance in wind groove change, and then realize the regulation to the air current volume through the wind groove.

Drawings

Fig. 1 is a schematic structural diagram 1 of a ventilation cooling device of a novel tubular turbine unit air duct of the present invention;

FIG. 2 is a partial enlarged view of FIG. 1;

FIG. 3 is a first schematic view of the air duct structure of the ventilating and cooling device of the air duct of the turbine unit of the present invention;

FIG. 4 is a sectional view of an air duct of a ventilation cooling device of the air duct of the turbine unit of the present invention;

FIG. 5 is a partial enlarged view of the first portion of FIG. 4;

FIG. 6 is a second enlarged partial view of FIG. 4;

FIG. 7 is a partial enlarged view of FIG. 6;

FIG. 8 is a partial enlarged view of FIG. 3;

fig. 9 is a schematic structural view of an air duct of a ventilation cooling device of a novel tubular turbine air duct of the present invention;

FIG. 10 is a cross-sectional view of FIG. 9;

FIG. 11 is a partial enlarged view of FIG. 10;

FIG. 12 is a schematic view of a mounting ring structure of a ventilating and cooling device for an air duct of a turbine unit according to the present invention;

FIG. 13 is a first state diagram of the flow control assembly;

FIG. 14 is a second state diagram of the flow control assembly in use;

FIG. 15 is a third state diagram of the flow control assembly in use;

FIG. 16 is a fourth state diagram of the flow control assembly in use;

the notation in the figure is:

soaking the head 1; a bulb cavity 11; a stator cavity 12; a hollow partition plate 2; an air outlet 21; an air inlet 22; a fan 3; an air cooler 4; a wind deflector 5; an air duct 6; a closed end 6-1; a connecting pipeline 6-2; 6-3 of an opening end; a flow control assembly 7; a drive assembly 7-1; drive discs 7-11; a first connecting rotating shaft 7-12; 7-13 parts of a limiting mechanism; thrust springs 7-131; positioning posts 7-132; mounting blind holes 7-133; a second connecting rotating shaft 7-14; rotating the handle 7-15; 7-16 parts of a limiting ring; second bevel gear set 7-17; the transmission component 7-2; 7-21 parts of threaded rod; 7-22 of an internal thread sleeve; hinge rods 7-23; drive rods 7-24; a first bevel gear set 7-25; optic axis 7-26; a flow rate control unit 7-3; mounting rings 7-31; separating blades 7-32; 7-33 parts of a sealed barrel; turntables 7 to 34; 7-35 of an air passing groove; a stator 10; and a rotor 13.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Example 1

A novel ventilation cooling device of an air duct of a tubular turbine set comprises a bubble head 1, wherein the interior of the bubble head 1 is divided into a bubble head cavity 11 and a stator cavity 12 through a hollow partition plate 2, a stator 10 and a rotor 13 are arranged in the stator cavity 12, a fan 3 is arranged on the hollow partition plate 2 and communicated with the bubble head cavity 11 and the stator cavity 12, an air outlet 21 and an air inlet 22 are formed in the hollow partition plate 2, an air cooler 4 is arranged at the air inlet 21, a wind shield 5 is arranged at the air outlet 22, the air cooler 4 is connected with the fan 3 through the air duct 6, the air duct 6 is an L-shaped tube body, the upper end of the air duct 6 is a closed end 6-1, the lower end of the air duct is an open end 6-3, and the side wall of the air duct 6 is communicated with the fan 3 through a connecting tube 6-2.

An air duct 6 is additionally arranged between a fan 3 and an air cooler 4, so that cold air cooled by the air cooler 4 directly enters the fan 3 through the air duct 6, when the unit operates, the cold air is sent into a rotor 13 bracket from the fan 3 to enter the end part of a stator cavity of a stator 10, then respectively enters rotor magnetic poles, an air gap of a stator and an axial ventilation hole of a tooth part of a stator iron core punching sheet, hot air collected at the end part of a bubble head cavity of the stator 10 enters the air cooler 1, and then enters the fan 3 through the air duct 6 after being cooled to form circulation.

Example 2

On the basis of the embodiment 1, as shown in the attached figure 3 of the specification, the air guide cylinder 6 is an L-shaped pipe body, the upper end of the air guide cylinder 6 is a closed end 6-1, the lower end of the air guide cylinder 6 is an open end 6-3, the side wall of the air guide cylinder 6 is communicated with the fan 3 through a connecting pipeline 6-2, and a flow control assembly 7 for adjusting air volume is arranged inside the air guide cylinder 6; the flow control assembly 7 is installed in the air duct 6, and the control of the air quantity flowing through the air duct 6 is realized by adopting the flow control assembly 7 according to different use conditions, so that the energy is saved.

Example 3

On the basis of the embodiment 2, as shown in the attached figure 4 in the specification, the flow control assembly 7 comprises: the air flow control device comprises a driving component 7-1, a transmission component 7-2 and a flow control part 7-3, wherein the flow control part 7-3 is installed on the inner wall of the air guide cylinder 6, the flow control part 7-3 is located below the connecting pipeline 6-2, the transmission component 7-2 is installed on the flow control part 7-3, the driving component 7-1 is installed on the closed end 6-1 and connected with the transmission component 7-2, the transmission component 7-2 is driven through the driving component 7-1, and the flow control part 7-3 is driven to move through the transmission component 7-2, so that the control of the air flow passing through the air guide cylinder 6 is realized.

Example 4

On the basis of the embodiment 3, as shown in fig. 5 in the specification, the flow control portion 7-3 includes: the mounting ring 7-31, the separating blade 7-32, the sealing barrel 7-33 and the rotary table 7-34, the mounting ring 7-31 is mounted on the inner wall of the air duct 6, the sealing barrel 7-33 is coaxially arranged inside the mounting ring 7-31, a plurality of air passing grooves 7-35 are formed in the circumferential array of the end face of the mounting ring 7-31, the air passing grooves 7-35 are communicated with the inner shaft hole of the mounting ring 7-31, a plurality of mounting holes are formed in the circumferential direction of the side wall of the sealing barrel 7-33, the positions of the mounting holes correspond to the positions of the air passing grooves 7-35, the rotary table 7-34 is embedded in the mounting holes and rotates in the mounting holes, the separating blade 7-32 is mounted at one end of the rotary table 7-34 and is mounted at the adapting end of the air passing groove 7-35, the transmission component 7-2 is connected with the other end of the rotary table 7-34, the separating blade 7-32 is a fan-shaped blade, the lower half part of the sealing barrel 7-33 is of a conical structure, the separation blade 7-32 is driven to rotate by the over-drive component 7-1, so that the area of a gap between the separation blade 7-32 and the air passing groove 7-35 is changed, and the air flow passing through the air passing groove 7-35 is adjusted.

Example 5

On the basis of the embodiment 4, as shown in the attached figure 5 in the specification, the transmission assembly 7-2 comprises: the device comprises a threaded rod 7-21, an internal thread sleeve 7-22, a hinge rod 7-23 and a drive rod 7-24, wherein the lower end of the threaded rod 7-21 is connected with the bottom of a sealed barrel 7-33 through a bearing, the upper end of the threaded rod 7-21 penetrates through the top of the sealed barrel 7-33 to be connected with a drive component 7-1, the threaded rod 7-21 and the sealed barrel 7-33 are coaxially arranged, the threaded rod 7-21 is sleeved with the internal thread sleeve 7-22, the side wall of the internal thread sleeve 7-22 is circumferentially provided with a plurality of hinge seats, one end of the hinge rod 7-23 is connected with the hinge seats, the other end of the turntable 7-34 is eccentrically provided with the drive rod 7-24, the other end of the hinge rod 7-23 is hinged with the drive rod 7-24, and the drive component 7-1 drives the threaded rod 7-21 to rotate, through the threaded connection between the threaded rod 7-21 and the internal thread sleeve 7-22, the internal thread sleeve 7-22 drives the hinge rod 7-23 to move while moving along the axial direction of the threaded rod 7-21, further drives the driving rod 7-24 to move through the hinge rod 7-23, further drives the separation blade 7-32 to rotate through the driving rod 7-24, further changes the area of a gap between the separation blade 7-32 and the air passing groove 7-35, and further realizes the adjustment of the air flow passing through the air passing groove 7-35.

Example 5

On the basis of the embodiment 4, as shown in the attached fig. 6-8 of the specification, the driving assembly 7-1 comprises: the air duct comprises a driving disc 7-11, a first connecting rotating shaft 7-12 and a limiting mechanism 7-13, wherein one end of the first connecting rotating shaft 7-12 penetrates through the closed end 6-1 of the air duct 6 to be coaxially connected with the upper end of a threaded rod 7-21, the driving disc 7-11 is coaxially arranged at the other end of the first connecting rotating shaft 7-12, and the driving disc 7-11 is matched with the top of the closed end 6-1 for limiting through the limiting mechanism 7-13;

the limiting mechanism 7-13 comprises: the lower end face of the driving disc 7-11 is provided with a blind mounting hole 7-133, the positioning column 7-132 is arranged in the blind mounting hole 7-133, the thrust spring 7-131 is positioned between the blind mounting hole 7-133 and the positioning column 7-132, the upper end of the closed end 6-1 is circumferentially provided with a plurality of limiting holes 7-134, the limiting holes 7-134 are matched with the positioning column 7-132 for limiting, the driving disc 7-11 is manually rotated, the driving disc 7-11 drives the first connecting rotating shaft 7-12 to rotate, the threaded rod 7-21 is driven to rotate by the first connecting rotating shaft 7-12, the threaded rod 7-21 is connected with the internal threaded sleeve 7-22 through threads, so that the internal threaded sleeve 7-22 axially moves along the threaded rod 7-21, the hinged rods 7-23 are driven to move, the driving rods 7-24 are driven to move through the hinged rods 7-23, the separating blades 7-32 are driven to rotate through the driving rods 7-24, the area of gaps between the separating blades 7-32 and the air passing grooves 7-35 is changed, and therefore the air flow passing through the air passing grooves 7-35 is adjusted; meanwhile, the positioning columns 7-132 are matched with the limiting holes 7-134, so that the rotating positions of the driving discs 7-11 are positioned, and the positioning of the rotating positions of the driving discs 7-11 is prevented from being changed under the condition of external interference.

Example 6

On the basis of the embodiment 2, as shown in the attached figures 9-10 of the specification, the transmission assembly 7-2 comprises: the lower end of the optical axis 7-26 is connected with the bottom of the sealed barrel 7-33 through a bearing, the upper end of the optical axis 7-26 penetrates through the top of the sealed barrel 7-33 to be connected with the driving component 7-1, the optical axis 7-26 is coaxially arranged with the sealed barrel 7-33, the optical axis 7-26 drives the rotating disc 7-34 to rotate through the first bevel gear set 7-25, the driving component 7-1 drives the optical axis 7-26 to move, thereby driving the first bevel gear set 7-25 to move through the optical axis 7-26, further driving the driving turntable 7-34 to move through the first bevel gear set 7-25, thereby changing the area of the gap between the separating blade 7-32 and the air passing groove 7-35 and further realizing the adjustment of the air flow passing through the air passing groove 7-35.

Example 7

On the basis of the embodiment 6, as shown in the attached fig. 10-12 of the specification, the driving assembly 7-1 comprises: one end of the second connecting rotating shaft 7-14 drives the optical axis 7-26 to rotate through the second bevel gear set 7-17, the other end of the second connecting rotating shaft 7-14 penetrates through the side wall of the air guide cylinder 6 to be connected with the rotating handle 7-15, the second connecting rotating shaft 7-14 is sleeved with the end limiting ring 7-16 for preventing the second connecting rotating shaft 7-14 from axially moving, the rotating handle 7-15 is manually rotated, the second connecting rotating shaft 7-14 is driven by the rotating handle 7-15, the second bevel gear set 7-17 is driven to rotate through the second connecting rotating shaft 7-14, the optical axis 7-26 is driven to move through the second bevel gear set 7-17, and the first bevel gear set 7-25 is driven to move through the optical axis 7-26, and the driving rotary disc 7-34 is driven to move through the first bevel gear set 7-25, so that the area of a gap between the separating blade 7-32 and the air passing groove 7-35 is changed, and the air flow passing through the air passing groove 7-35 is adjusted.

The working principle is as follows:

the air duct 6 is additionally arranged between the fan 3 and the air cooler 4, so that cold air cooled by the air cooler 4 directly enters the fan 3 through the air duct 6, when the unit operates, the cold air is sent into the end part of a stator cavity of the stator 10 by the fan 3, then respectively enters between magnetic poles of the rotor, an air gap of the stator and an axial ventilation hole of a punching sheet tooth part of the stator iron core, hot air collected at the end part of a bubble head cavity of the stator 10 enters the air cooler 4, and after cooling, the cold air enters the fan 3 through the air duct 6 to form circulation, and by adopting the technical means, the problems that the path of the cold air is too long, the loss is serious and the cooling effect of the unit is influenced are effectively solved; meanwhile, aiming at controlling the air quantity flowing through the air duct 6, two modes are provided for selection:

1. the driving disk 7-11 is manually rotated, and then the first connecting rotating shaft 7-12 is driven to rotate by the driving disk 7-11, the threaded rod 7-21 is driven to rotate by the first connecting rotating shaft 7-12, and through the threaded connection between the threaded rod 7-21 and the internal thread sleeve 7-22, so that the internal thread sleeve 7-22 moves along the axial direction of the threaded rod 7-21 and drives the hinge rod 7-23 to move, the driving rods 7-24 are driven by the hinged rods 7-23 to move, the separating blades 7-32 are driven by the driving rods 7-24 to rotate, further changing the area of the gap between the separation blade 7-32 and the air passing groove 7-35, and further realizing the adjustment of the air flow passing through the air passing groove 7-35; meanwhile, the positioning columns 7-132 are matched with the limiting holes 7-134, so that the rotating positions of the driving discs 7-11 are positioned, and the positioning of the rotating positions of the driving discs 7-11 is prevented from being changed under the condition of external interference;

2. the rotating handles 7-15 are rotated manually, the rotating handles 7-15 drive the second connecting rotating shafts 7-14, the second bevel gear sets 7-17 are driven to rotate through the second connecting rotating shafts 7-14, the optical shafts 7-26 are driven to move through the second bevel gear sets 7-17, the first bevel gear sets 7-25 are driven to move through the optical shafts 7-26, the driving rotating discs 7-34 are driven to move through the first bevel gear sets 7-25, the area of gaps between the separating blades 7-32 and the air passing grooves 7-35 is changed, and accordingly the air flow passing through the air passing grooves 7-35 is adjusted.

It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be substituted for elements thereof by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.

Claims (10)

1. The utility model provides a novel ventilation cooling device of cross-flow unit guide duct, includes bubble head (1) and fan (3), bubble head (1) inside divide into bubble head chamber (11) and stator chamber (12) through hollow baffle (2) with bubble head (1) inside, is provided with stator (10) and rotor (13) in stator chamber (12), intercommunication bubble head chamber (11) and stator chamber (12) are arranged in on hollow baffle (2) in fan (3), and it has air outlet (21) and air intake (22) to open on hollow baffle (2), and air outlet (21) department is provided with air cooler (4), and air intake (22) department is provided with deep bead (5), its characterized in that, air cooler (4) link to each other with fan (3) through guide duct (6).

2. The novel ventilation cooling device for the air duct of the tubular turbine set according to claim 1, wherein the air duct (6) is an L-shaped pipe body, the upper end of the air duct (6) is a closed end (6-1), the lower end of the air duct is an open end (6-3), and the side wall of the air duct (6) is communicated with the fan (3) through a connecting pipeline (6-2).

3. The novel ventilation cooling device for the through-flow unit air duct according to claim 2, characterized in that: and a flow control assembly (7) for adjusting air volume is arranged in the air guide cylinder (6).

4. The ventilation cooling device for the air duct of the turbine unit as claimed in claim 3, wherein: the flow control assembly (7) comprises: the air guide device comprises a driving assembly (7-1), a transmission assembly (7-2) and a flow control portion (7-3), wherein the flow control portion (7-3) is installed on the inner wall of the air guide cylinder (6), the flow control portion (7-3) is located below the connecting pipeline (6-2), the transmission assembly (7-2) is installed on the flow control portion (7-3), and the driving assembly (7-1) is installed on the closed end (6-1) and connected with the transmission assembly (7-2).

5. The novel ventilation cooling device for the air duct of the tubular turbine set as claimed in claim 4, wherein: the flow rate control unit (7-3) includes: the air guide device comprises mounting rings (7-31), separating blades (7-32), sealing barrels (7-33) and turntables (7-34), wherein the mounting rings (7-31) are mounted on the inner wall of an air guide cylinder (6), the sealing barrels (7-33) are coaxially arranged inside the mounting rings (7-31), a plurality of air passing grooves (7-35) are formed in the circumferential array of the end faces of the mounting rings (7-31), the air passing grooves (7-35) are communicated with inner shaft holes of the mounting rings (7-31), a plurality of mounting holes are formed in the circumferential direction of the side walls of the sealing barrels (7-33), the positions of the mounting holes correspond to the positions of the air passing grooves (7-35), the turntables (7-34) are embedded in the mounting holes and rotate in the mounting holes, the separating blades (7-32) are mounted at one ends of the turntables (7-34) and are matched with the ends of the air passing grooves (7-35), the transmission component (7-2) is connected with the other end of the turntable (7-34).

6. The novel ventilation cooling device for the through-flow unit air duct according to claim 5, characterized in that: the transmission assembly (7-2) comprises: a threaded rod (7-21), an internal thread sleeve (7-22), a hinged rod (7-23) and a driving rod (7-24), the lower end of the threaded rod (7-21) is connected with the bottom of the sealed barrel (7-33) through a bearing, the upper end of the threaded rod (7-21) penetrates through the top of the sealed barrel (7-33) to be connected with the driving component (7-1), the threaded rod (7-21) and the sealed barrel (7-33) are coaxially arranged, an internal thread sleeve (7-22) is sleeved on the threaded rod (7-21), a plurality of hinged seats are circumferentially arranged on the side wall of the internal thread sleeve (7-22), one end of each hinged rod (7-23) is connected with the hinged seat, a driving rod (7-24) is eccentrically arranged at the other end of the turntable (7-34), and the other end of each hinged rod (7-23) is hinged with the driving rod (7-24).

7. The novel ventilation cooling device for the air duct of the tubular turbine set as claimed in claim 6, wherein: the drive assembly (7-1) comprises: the air duct comprises a driving disc (7-11), a first connecting rotating shaft (7-12) and a limiting mechanism (7-13), wherein one end of the first connecting rotating shaft (7-12) penetrates through the closed end (6-1) of the air duct (6) and is coaxially connected with the upper end of the threaded rod (7-21), the driving disc (7-11) is coaxially arranged at the other end of the first connecting rotating shaft (7-12), and the driving disc (7-11) is matched and limited with the top of the closed end (6-1) through the limiting mechanism (7-13).

8. The novel ventilation cooling device for the through-flow unit air duct according to claim 7, characterized in that: the limiting mechanism (7-13) comprises: the device comprises a thrust spring (7-131) and a positioning column (7-132), wherein the lower end face of the driving disc (7-11) is provided with a mounting blind hole (7-133), the positioning column (7-132) is arranged in the mounting blind hole (7-133), the thrust spring (7-131) is positioned between the mounting blind hole (7-133) and the positioning column (7-132), the upper end of the closed end (6-1) is circumferentially provided with a plurality of limiting holes (7-134), and the limiting holes (7-134) are matched with the positioning column (7-132) for limiting.

9. The ventilation cooling device for the air duct of the turbine unit as claimed in claim 8, wherein: the transmission assembly (7-2) comprises: the device comprises a first bevel gear set (7-25) and an optical axis (7-26), the lower end of the optical axis (7-26) is connected with the bottom of a sealing barrel (7-33) through a bearing, the upper end of the optical axis (7-26) penetrates through the top of the sealing barrel (7-33) to be connected with a driving assembly (7-1), the optical axis (7-26) and the sealing barrel (7-33) are coaxially arranged, and the optical axis (7-26) drives a rotating disc (7-34) to rotate through the first bevel gear set (7-25).

10. The ventilation cooling device for the air duct of the turbine unit as claimed in claim 9, wherein: the drive assembly (7-1) comprises: the air duct comprises a second connecting rotating shaft (7-14), a rotating handle (7-15), a limiting ring (7-16) and a second bevel gear set (7-17), one end of the second connecting rotating shaft (7-14) drives the optical shaft (7-26) to rotate through the second bevel gear set (7-17), the other end of the second connecting rotating shaft (7-14) penetrates through the side wall of the air duct (6) to be connected with the rotating handle (7-15), and the second connecting rotating shaft (7-14) is sleeved with the limiting ring (7-16) for preventing the second connecting rotating shaft (7-14) from axially moving.

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