Turbofan supercharged structure and assembling method

Abstract

The invention relates to the technical field of fans, in particular to a turbofan supercharged structure and an assembling method, and solves the problems that an existing floor fan blows air by adopting a single fan, the air flow intensity is not high, the blown air volume and air pressure are limited, and long-distance blowing of air flow cannot be met. Comprising a driving installation mechanism, a double-fan mechanism and a connecting transmission mechanism, a fan supporting mechanism is installed at the bottom end of the driving installation mechanism, the double-fan mechanism is installed at the front end of the driving installation mechanism, the connecting transmission mechanism is installed on the inner side of the middle of the double-fan mechanism, and the driving installation mechanism comprises a motor. A ventilation cover is fixedly installed at the front end of the motor, and a transmission shaft is rotationally connected to the inner side of the motor. By arranging the double-layer fan, two-stage pressurization can be carried out on air flow while opposite rotation is carried out, then the air flow strength is effectively improved, and the blown air volume and the blowing distance can be increased.

Description

Technical Field

[0001] The present invention relates to the technical field of fans, and in particular to a turbofan supercharged structure and an assembly method. Background Art

[0002] The main features of floor fans are large air volume and low noise. The main function of floor fans is ventilation and heatstroke prevention and cooling. They are usually placed on the ground for use in various places, such as warehouses, workshops, restaurants, homes, etc. in industrial and mining enterprises, as well as basements, restaurants, etc. The characteristics of floor fans include large air volume and low noise. They can effectively improve the environment, provide comfortable temperature and air circulation. Floor fans also have the characteristics of compact and reasonable structure, low energy consumption, reliable performance and easy use.

[0003] The existing floor fans use a single fan for blowing air, and the airflow intensity is not high, which limits the air volume and air pressure, and cannot meet the long-distance blowing of the airflow; therefore, it does not meet the existing needs. We propose a turbofan supercharged structure and assembly method. Summary of the invention

[0004] The object of the present invention is to provide a turbofan supercharged structure and assembly method to solve the problem mentioned in the above background technology that the existing floor fans only use a single fan for blowing air, the air flow intensity is not high, the air volume and air pressure are limited, and the long-distance blowing of the air flow cannot be met.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solutions: a turbofan supercharged structure, comprising a drive installation mechanism, a dual-fan mechanism and a connecting transmission mechanism, wherein a fan support mechanism is installed at the bottom end of the drive installation mechanism, a dual-fan mechanism is installed at the front end of the drive installation mechanism, a connecting transmission mechanism is installed on the inner side of the middle of the dual-fan mechanism, the drive installation mechanism comprises a motor, a ventilated cover is fixedly installed at the front end of the motor, and a transmission shaft is rotatably connected to the inner side of the motor; The dual-fan mechanism comprises a rear mesh cover, a mesh cover locking ring is installed in the middle of the front end of the rear mesh cover, the rear mesh cover is fixedly connected to the ventilation cover through the mesh cover locking ring, a gear mounting seat is rotatably connected between the rear mesh cover and the mesh cover locking ring, three planetary gears are rotatably connected to the front end of the gear mounting seat, a central gear is installed between the three planetary gears, a transmission gear ring is installed on the outer side of the three planetary gears, a transmission block is installed in the middle of the rear end face of the central gear, a reverse fan frame is installed on the outer side of the transmission gear ring, a forward fan frame is installed in front of the reverse fan frame, a locking cover is installed in the middle of the front end face of the forward fan frame, and a front mesh cover is installed on the side of the rear mesh cover; The connecting transmission mechanism includes a second limiting sleeve, a spline hole is provided on the inner side of the front end of the second limiting sleeve, a positioning sleeve is installed on the inner side of the spline hole, a first limiting sleeve is installed on the front end of the positioning sleeve, a connecting threaded sleeve is installed between the first limiting sleeve and the outer side of the positioning sleeve, and a positioning rod is installed on the inner side of the middle part of the first limiting sleeve.

[0006] Preferably, the fan support mechanism includes a chassis seat, a plurality of supporting foot rods are installed at the bottom end of the chassis seat, a connecting sleeve rod is installed at the upper end of the chassis seat, a telescopic rod is installed on the inner side of the connecting sleeve rod, locking sleeves are installed on the outer side of the bottom end of the connecting sleeve rod and the outer side of the upper end of the telescopic rod, a control operation shell is installed at the upper end of the telescopic rod, and a control switch is installed on the inner side of the control operation shell.

[0007] Preferably, the drive installation mechanism also includes a ventilation hood fixedly connected to the ventilation cover, a connecting seat is installed at the bottom end of the ventilation hood, a locking knob is installed on one side of the connecting seat, and a positioning strip is provided in the middle of the transmission shaft.

[0008] Preferably, the bottom end of the connecting sleeve rod passes through one of the locking sleeves and is plugged into the inner side of the upper end of the chassis seat, the upper end of the chassis seat is threadedly connected to the locking sleeve, the bottom end of the connecting sleeve rod is fixedly connected to the chassis seat through one of the locking sleeves, the bottom end of the telescopic rod is threadedly connected to the connecting sleeve rod, the upper end of the telescopic rod passes through another locking sleeve and is plugged into the inner side of the bottom end of the control operation shell, the locking sleeve is threadedly connected to the telescopic rod, and the upper end of the telescopic rod is fixedly connected to the control operation shell through another locking sleeve.

[0009] Preferably, one end of the locking knob passes through the connecting seat and is threadedly connected to the control operating shell, the connecting seat is connected to the upper end of the control operating shell through the locking knob, the upper end of the connecting seat is fixed to the air vent and the air vent cover by screws, and the front end of the transmission shaft passes through the air vent and is inserted between the rear mesh cover and the front mesh cover.

[0010] Preferably, the transmission block is connected to the transmission shaft through a positioning strip, the middle part of the center gear passes through the reverse fan frame and is inserted into the inner side of the rear end of the second limit sleeve, the center gear and the second limit sleeve are connected through a flat key, a bearing is provided between the second limit sleeve and the reverse fan frame, and the reverse fan frame is fixedly connected to the center gear.

[0011] Preferably, the front end of the transmission shaft passes through the forward fan frame and is threadedly connected to the locking cover, the front end face of the first limit sleeve is in close contact with the forward fan frame, one end of the positioning rod passes through the first limit sleeve and is threadedly connected to the transmission shaft, the first limit sleeve is fixedly connected to the transmission shaft through the positioning rod, the forward fan frame is fixedly connected to the transmission shaft through the locking cover and the first limit sleeve, and the connecting threaded sleeve is threadedly connected to the positioning sleeve and the spline hole.

[0012] Preferably, the central gear, transmission ring gear and three planetary gears form a gear set, the three planetary gears are connected to the central gear and the transmission ring gear through inter-tooth meshing, the transmission ring gear is fixedly connected to the transmission shaft, and the three planetary gears are connected to the rear mesh cover through a gear mounting seat.

[0013] Preferably, the forward fan rack and the reverse fan rack have opposite rotation directions, a plurality of blades are arranged on the outer sides of the forward fan rack and the reverse fan rack, and the blades on the forward fan rack and the reverse fan rack are installed in opposite directions.

[0014] A method for assembling a turbofan supercharged structure comprises the following steps: S1: The telescopic rod is installed on the inner side of the connecting sleeve rod through a threaded connection, so that the bottom end of the connecting sleeve rod is locked and connected with the chassis seat through one of the locking sleeves, and the upper end of the telescopic rod is locked and installed with the control operation shell through another locking sleeve, and then the upper end of the control operation shell is locked and connected with the connecting seat through a locking knob, and a ventilation cover and a ventilation hood are fixedly installed on the upper end of the connecting seat, so that the ventilation cover and the ventilation hood are used to fix and protect the motor; S2: The transmission shaft on the inner side of the motor passes through the ventilation cover and is inserted between the rear mesh cover and the front mesh cover, so that the rear mesh cover and the ventilation cover are locked and installed through the mesh cover locking ring. The installation height of the dual fan mechanism can be adjusted by rotating the telescopic rod relative to the connecting sleeve rod. The gear mounting seat is placed on the front end surface of the rear mesh cover so that the three planetary gears are all fitted on the front end of the gear mounting seat, and then the central gear fixed to the reverse fan frame is inserted into the inner side of the three planetary gears, and the transmission gear ring is placed on the outer side of the three planetary gears, so that the three planetary gears are connected with the central gear and the planetary gears through inter-tooth meshing to form a gear set; S3: The transmission block is connected to the transmission shaft through a positioning strip, so that the reverse fan frame can be limited by the second limiting sleeve and the transmission block, and the rear end of the positioning sleeve is plugged into the inner side of the spline hole, and the connecting threaded sleeve is connected to the positioning sleeve and the spline hole through threads, so that when the positioning rod positions and installs the first limiting sleeve, the first limiting sleeve, the positioning sleeve and the spline hole can effectively maintain the installation stability of the forward fan frame and the reverse fan frame, and the locking cover is connected to the transmission shaft through threads and the forward fan frame is locked, and the connecting threaded sleeve is rotated relative to the first limiting sleeve, so that the spacing between the positioning sleeve and the spline hole can be adjusted to meet the adjustment of the spacing between the forward fan frame and the reverse fan frame; S4: Turn on the power supply and start the motor through the control switch, so that the motor drives the forward fan frame and the transmission gear ring to rotate synchronously through the transmission shaft under the support of the ventilation cover and the ventilation cover, and then the transmission gear ring drives the central gear and the reverse fan frame to rotate in the opposite direction through the three planetary gears, and the outer sides of the forward fan frame and the reverse fan frame are both provided with blades, and the installation directions of the blades on the forward fan frame and the reverse fan frame are opposite; S5: When the reverse fan frame is reversed at high speed relative to the forward fan frame through the gear set, the air behind the rear mesh cover can be extracted and pressurized and transported forward, and then the pressurized airflow can be transported forward through the forward fan frame. The forward fan frame and the reverse fan frame can realize directional pressurization of the airflow, effectively increasing the overall air volume during operation, increasing the blowing distance of the airflow, and facilitating the enhancement of the cooling effect.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention can adjust the installation height of the dual-fan mechanism by rotating the telescopic rod relative to the connecting sleeve rod. The three planetary gears are connected to the central gear and the planetary gears through inter-tooth meshing to form a gear set. The transmission block and the transmission shaft are positioned and connected through the positioning insert, so that the reverse fan frame can be limited by the second limiting sleeve and the transmission block. The first limiting sleeve, the positioning sleeve, and the spline hole can effectively maintain the installation stability of the forward fan frame and the reverse fan frame. The locking cover is threadedly connected to the transmission shaft and the forward fan frame is locked. The connecting threaded sleeve rotates relative to the first limiting sleeve, and the spacing between the positioning sleeve and the spline hole can be adjusted to meet the adjustment of the spacing between the forward fan frame and the reverse fan frame. 2. The present invention drives the forward fan frame and the transmission ring gear to rotate synchronously by the motor through the transmission shaft, and then the transmission ring gear drives the central gear and the reverse fan frame to rotate in the opposite direction through three planetary gears. The blades on the forward fan frame and the reverse fan frame are installed in opposite directions, so that when the reverse fan frame is reversed at high speed relative to the forward fan frame through the gear set, the air behind the rear mesh cover can be extracted and pressurized and transported forward, and then the pressurized airflow can be transported forward through the forward fan frame, and the directional pressurization of the airflow is achieved through the forward fan frame and the reverse fan frame, which effectively increases the air volume during overall operation, increases the blowing distance of the airflow, and facilitates the enhancement of the cooling effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 A rear side view of the present invention as a whole; Figure 3 It is a schematic diagram of the exploded structure of the fan support mechanism of the present invention; Figure 4 It is a schematic diagram of the exploded structure of the drive installation mechanism of the present invention; Figure 5 It is a schematic diagram of the exploded structure of the dual-fan mechanism of the present invention; Figure 6 It is a cross-sectional structural schematic diagram of the dual-fan mechanism of the present invention; Figure 7 For the present invention Figure 6 Schematic diagram of the enlarged structure of the A area in the middle; Figure 8 It is a schematic diagram of the structure of the gear set of the present invention.

[0017] In the figure: 1. Fan support mechanism; 101. Support foot rod; 102. Chassis seat; 103. Connecting sleeve rod; 104. Telescopic rod; 105. Control operation shell; 106. Locking sleeve; 107. Control switch; 2. Drive installation mechanism; 201. Connecting seat; 202. Ventilation cover; 203. Locking knob; 204. Motor; 205. Drive shaft; 206. Ventilation cover; 207. Positioning strip; 3. Dual fan mechanism; 301. Rear mesh cover ; 302, front mesh cover; 303, forward fan frame; 304, reverse fan frame; 305, mesh cover locking ring; 306, locking cover; 307, center gear; 308, transmission block; 309, planetary gear; 310, transmission ring gear; 311, gear mounting seat; 4, connecting transmission mechanism; 401, first limiting sleeve; 402, positioning rod; 403, positioning sleeve; 404, second limiting sleeve; 405, spline hole; 406, connecting threaded sleeve. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0019] The motor 204 (model: YPY-60-4) mentioned in the present invention can be purchased from the market or obtained through private customization.

[0020] See also Figures 1 to 3 , an embodiment of the present invention: a turbofan supercharged structure, comprising a drive installation mechanism 2, a dual fan mechanism 3 and a connecting transmission mechanism 4, a fan support mechanism 1 is installed at the bottom end of the drive installation mechanism 2, the fan support mechanism 1 comprises a chassis seat 102, a plurality of supporting foot rods 101 are installed at the bottom end of the chassis seat 102, a connecting sleeve rod 103 is installed at the upper end of the chassis seat 102, a telescopic rod 104 is installed on the inner side of the connecting sleeve rod 103, a locking sleeve 106 is installed on the outer side of the bottom end of the connecting sleeve rod 103 and the outer side of the upper end of the telescopic rod 104, a control operation shell 105 is installed at the upper end of the telescopic rod 104, a control switch 107 is installed on the inner side of the control operation shell 105, the fan support mechanism 1 is convenient for supporting the whole, and the control switch 107 is used for power connection control; The bottom end of the connecting sleeve rod 103 passes through one of the locking sleeves 106 and is plugged into the inner side of the upper end of the chassis seat 102. The upper end of the chassis seat 102 is connected to the locking sleeve 106 by a thread. The bottom end of the connecting sleeve rod 103 is fixedly connected to the chassis seat 102 through one of the locking sleeves 106. The bottom end of the telescopic rod 104 is connected to the connecting sleeve rod 103 by a thread. The upper end of the telescopic rod 104 passes through another locking sleeve 106 and is plugged into the inner side of the bottom end of the control operation shell 105. The locking sleeve 106 is connected to the telescopic rod 104 by a thread. The upper end of the telescopic rod 104 is fixedly connected to the control operation shell 105 through another locking sleeve 106. The installation height of the dual fan mechanism 3 can be adjusted by rotating the telescopic rod 104 relative to the connecting sleeve rod 103.

[0021] See also Figures 2 to 4The driving installation mechanism 2 includes a motor 204, a ventilated cover 206 is fixedly installed at the front end of the motor 204, a transmission shaft 205 is rotatably connected to the inner side of the motor 204, a positioning strip 207 is provided in the middle of the transmission shaft 205, a ventilated cover 202 is fixedly installed on the rear end face of the ventilated cover 206, a connecting seat 201 is installed at the bottom end of the ventilated cover 202, the upper end of the connecting seat 201 is connected and fixed to the ventilated cover 202 and the ventilated cover 206 by screws, a locking knob 203 is installed on one side of the connecting seat 201, one end of the locking knob 203 passes through the connecting seat 201 and is threadedly connected to the control operation shell 105, the connecting seat 201 is connected to the upper end of the control operation shell 105 by the locking knob 203, and the locking knob 203 is used to facilitate the adjustment and locking of the installation angle of the connecting seat 201.

[0022] See also Figures 1 to 8 A dual-fan mechanism 3 is installed at the front end of the driving installation mechanism 2, and the dual-fan mechanism 3 includes a rear mesh cover 301, and a front mesh cover 302 is installed on the side of the rear mesh cover 301. The front end of the transmission shaft 205 passes through the ventilation cover 206 and is plugged between the rear mesh cover 301 and the front mesh cover 302. A mesh cover locking ring 305 is installed in the middle of the front end of the rear mesh cover 301. The rear mesh cover 301 and the ventilation cover 206 are fixedly connected through the mesh cover locking ring 305. A gear mounting seat 311 is rotatably connected between the rear mesh cover 301 and the mesh cover locking ring 305. The front end of the gear mounting seat 311 is rotatably connected with three planetary gears 309. The gear mounting seat 311 facilitates the three planetary gears 309 to realize planetary rotation during the transmission process; A central gear 307 is installed between the three planetary gears 309, and a transmission ring gear 310 is installed on the outer side of the three planetary gears 309. The central gear 307, the transmission ring gear 310 and the three planetary gears 309 constitute a gear set. The three planetary gears 309 are connected to the central gear 307 and the transmission ring gear 310 through inter-tooth meshing. The transmission ring gear 310 is fixedly connected to the transmission shaft 205. The three planetary gears 309 are connected to the rear mesh cover 301 through a gear mounting seat 311. A transmission block 308 is installed in the middle of the rear end surface of the central gear 307. The transmission block 308 is connected to the transmission shaft 205 through a positioning insert 207. The positioning insert 207 can be used to position the transmission block 308, so that the transmission block 308 limits the axis of the central gear 307; A reverse fan frame 304 is installed on the outer side of the transmission ring gear 310, and the reverse fan frame 304 is fixedly connected to the central gear 307. A forward fan frame 303 is installed in front of the reverse fan frame 304. The rotation directions of the forward fan frame 303 and the reverse fan frame 304 are opposite. The outer sides of the forward fan frame 303 and the reverse fan frame 304 are both provided with multiple blades. The blades on the forward fan frame 303 and the reverse fan frame 304 are installed in opposite directions. A locking cover 306 is installed in the middle of the front end surface of the forward fan frame 303. The front end of the transmission shaft 205 passes through the forward fan frame 303 and is threadedly connected to the locking cover 306. The forward fan frame 303 and the reverse fan frame 304 can realize a two-level pressurization operation of the airflow, thereby effectively improving the airflow intensity.

[0023] See also Figure 6 and Figure 7 A connecting transmission mechanism 4 is installed on the inner side of the middle of the dual fan mechanism 3, and the connecting transmission mechanism 4 includes a second limiting sleeve 404. The middle of the central gear 307 passes through the reverse fan frame 304 and is plugged into the inner side of the rear end of the second limiting sleeve 404. The central gear 307 is connected to the second limiting sleeve 404 through a flat key. A bearing is provided between the second limiting sleeve 404 and the reverse fan frame 304. A spline hole 405 is provided on the inner side of the front end of the second limiting sleeve 404, and a positioning sleeve 4 is installed on the inner side of the spline hole 405. 03, a first limiting sleeve 401 is installed at the front end of the positioning sleeve 403, the front end surface of the first limiting sleeve 401 is in close contact with the forward fan frame 303, one end of the positioning rod 402 passes through the first limiting sleeve 401 and is connected to the transmission shaft 205 by a thread, the first limiting sleeve 401 and the transmission shaft 205 are fixedly connected by the positioning rod 402, and the first limiting sleeve 401, the positioning sleeve 403, and the spline hole 405 can effectively maintain the installation stability of the forward fan frame 303 and the reverse fan frame 304; In addition, the forward fan frame 303 is fixedly connected to the transmission shaft 205 through a locking cover 306 and a first limiting sleeve 401. A connecting threaded sleeve 406 is installed on the outer sides of the first limiting sleeve 401 and the positioning sleeve 403. The connecting threaded sleeve 406 is connected to the positioning sleeve 403 and the spline hole 405 through threads. A positioning rod 402 is installed on the inner side of the middle part of the first limiting sleeve 401. The connecting threaded sleeve 406 rotates relative to the first limiting sleeve 401, so that the distance between the positioning sleeve 403 and the spline hole 405 can be adjusted to meet the adjustment of the distance between the forward fan frame 303 and the reverse fan frame 304.

[0024] A method for assembling a turbofan supercharged structure comprises the following steps: S1: The telescopic rod 104 is installed on the inner side of the connecting sleeve rod 103 through a threaded connection, so that the bottom end of the connecting sleeve rod 103 is locked and connected with the chassis base 102 through one of the locking sleeves 106, and the upper end of the telescopic rod 104 is locked and installed with the control operation shell 105 through another locking sleeve 106, and then the upper end of the control operation shell 105 is locked and connected with the connecting seat 201 through the locking knob 203, and the ventilation cover 206 and the ventilation hood 202 are fixedly installed on the upper end of the connecting seat 201, so that the ventilation cover 206 and the ventilation hood 202 are used to fix and protect the motor 204; S2: The transmission shaft 205 on the inner side of the motor 204 passes through the ventilation cover 206 and is plugged between the rear mesh cover 301 and the front mesh cover 302, so that the rear mesh cover 301 and the ventilation cover 206 are locked and installed through the mesh cover locking ring 305. The installation height of the dual fan mechanism 3 can be adjusted by rotating the telescopic rod 104 relative to the connecting sleeve rod 103. The gear mounting seat 311 is placed on the front end surface of the rear mesh cover 301, so that the three planetary gears 309 are all fitted on the front end of the gear mounting seat 311, and then the central gear 307 fixed to the reverse fan frame 304 is plugged into the inner side of the three planetary gears 309, and the transmission ring gear 310 is placed on the outer side of the three planetary gears 309, so that the three planetary gears 309 are connected with the central gear 307 and the planetary gears 309 through inter-tooth meshing to form a gear set; S3: The transmission block 308 is positioned and connected with the transmission shaft 205 through the positioning insert 207, so that the reverse fan frame 304 can be limited by the second limiting sleeve 404 and the transmission block 308, and at the same time, the rear end of the positioning sleeve 403 is plugged into the inner side of the spline hole 405, and the connecting threaded sleeve 406 is threadedly connected with the positioning sleeve 403 and the spline hole 405, and then when the positioning rod 402 positions and installs the first limiting sleeve 401, the first limiting sleeve 401, the positioning sleeve 403, and the spline hole 405 can effectively maintain the installation stability of the forward fan frame 303 and the reverse fan frame 304, and the locking cover 306 is threadedly connected with the transmission shaft 205 and the forward fan frame 303 is locked, and the connecting threaded sleeve 406 is rotated relative to the first limiting sleeve 401, so that the distance between the positioning sleeve 403 and the spline hole 405 can be adjusted to meet the adjustment of the distance between the forward fan frame 303 and the reverse fan frame 304; S4: Turn on the power supply, start the motor 204 by controlling the switch 107, so that the motor 204 drives the forward fan frame 303 and the transmission ring gear 310 to rotate synchronously through the transmission shaft 205 under the support of the ventilation cover 202 and the ventilation cover 206, and then the transmission ring gear 310 drives the central gear 307 and the reverse fan frame 304 to rotate in the opposite direction through the three planetary gears 309, and the outer sides of the forward fan frame 303 and the reverse fan frame 304 are both provided with blades, and the installation directions of the blades on the forward fan frame 303 and the reverse fan frame 304 are opposite; S5: When the reverse fan frame 304 is reversed at high speed relative to the forward fan frame 303 through the gear set, the air behind the rear mesh cover 301 can be extracted and pressurized and transported forward, and then the pressurized airflow can be transported forward through the forward fan frame 303. The forward fan frame 303 and the reverse fan frame 304 can realize directional pressurization of the airflow, effectively increasing the overall air volume during operation, increasing the blowing distance of the airflow, and facilitating the enhancement of the cooling effect.

[0025] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A turbofan supercharged structure, comprising a drive mounting mechanism (2), a dual fan mechanism (3) and a connecting transmission mechanism (4), characterized in that: A fan support mechanism (1) is installed at the bottom end of the drive installation mechanism (2), a dual fan mechanism (3) is installed at the front end of the drive installation mechanism (2), a connecting transmission mechanism (4) is installed on the inner side of the middle of the dual fan mechanism (3), the drive installation mechanism (2) comprises a motor (204), a ventilating cover (206) is fixedly installed on the front end of the motor (204), and a transmission shaft (205) is rotatably connected to the inner side of the motor (204); The dual fan mechanism (3) comprises a rear mesh cover (301), a mesh cover locking ring (305) is installed in the middle of the front end of the rear mesh cover (301), the rear mesh cover (301) and the ventilation cover (206) are fixedly connected via the mesh cover locking ring (305), a gear mounting seat (311) is rotatably connected between the rear mesh cover (301) and the mesh cover locking ring (305), three planetary gears (309) are rotatably connected at the front end of the gear mounting seat (311), and a center gear (311) is installed between the three planetary gears (309). gear (307), a transmission ring gear (310) is installed on the outer side of the three planetary gears (309), a transmission block (308) is installed in the middle of the rear end face of the central gear (307), a reverse fan frame (304) is installed on the outer side of the transmission ring gear (310), a forward fan frame (303) is installed in front of the reverse fan frame (304), a locking cover (306) is installed in the middle of the front end face of the forward fan frame (303), and a front mesh cover (302) is installed on the side of the rear mesh cover (301); The connecting transmission mechanism (4) comprises a second limiting sleeve (404), a spline hole (405) is provided on the inner side of the front end of the second limiting sleeve (404), a positioning sleeve (403) is installed on the inner side of the spline hole (405), a first limiting sleeve (401) is installed on the front end of the positioning sleeve (403), a connecting threaded sleeve (406) is installed between the outer sides of the first limiting sleeve (401) and the positioning sleeve (403), and a positioning rod (402) is installed on the inner side of the middle part of the first limiting sleeve (401).

2. A turbofan supercharged structure according to claim 1, characterized in that: The fan support mechanism (1) comprises a chassis base (102), a plurality of supporting foot rods (101) being mounted on the bottom end of the chassis base (102), a connecting sleeve rod (103) being mounted on the upper end of the chassis base (102), a telescopic rod (104) being mounted on the inner side of the connecting sleeve rod (103), a locking sleeve (106) being mounted on the outer side of the bottom end of the connecting sleeve rod (103) and the outer side of the upper end of the telescopic rod (104), a control operation shell (105) being mounted on the upper end of the telescopic rod (104), and a control switch (107) being mounted on the inner side of the control operation shell (105).

3. A turbofan supercharged structure according to claim 2, characterized in that: The drive installation mechanism (2) further comprises a ventilation hood (202) fixedly connected to the ventilation cover (206); a connecting seat (201) is installed at the bottom end of the ventilation hood (202); a locking knob (203) is installed on one side of the connecting seat (201); and a positioning strip (207) is provided in the middle of the transmission shaft (205).

4. A turbofan supercharged structure according to claim 3, characterized in that: The bottom end of the connecting sleeve rod (103) passes through one of the locking sleeves (106) and is plugged into the inner side of the upper end of the chassis seat (102); the upper end of the chassis seat (102) is connected to the locking sleeve (106) by means of a thread; the bottom end of the connecting sleeve rod (103) is fixedly connected to the chassis seat (102) by means of one of the locking sleeves (106); the bottom end of the telescopic rod (104) is connected to the connecting sleeve rod (103) by means of a thread; the upper end of the telescopic rod (104) passes through another locking sleeve (106) and is plugged into the inner side of the bottom end of the control operation shell (105); the locking sleeve (106) is connected to the telescopic rod (104) by means of a thread; and the upper end of the telescopic rod (104) is fixedly connected to the control operation shell (105) by means of another locking sleeve (106).

5. A turbofan supercharged structure according to claim 4, characterized in that: One end of the locking knob (203) passes through the connection seat (201) and is connected to the control operation shell (105) by means of a thread; the connection seat (201) is connected to the upper end of the control operation shell (105) by means of the locking knob (203); the upper end of the connection seat (201) is fixed to the ventilation cover (202) and the ventilation cover (206) by means of screws; the front end of the transmission shaft (205) passes through the ventilation cover (206) and is plugged between the rear mesh cover (301) and the front mesh cover (302).

6. A turbofan supercharged structure according to claim 5, characterized in that: The transmission block (308) is connected to the transmission shaft (205) via a positioning insert (207); the middle portion of the central gear (307) passes through the reverse fan frame (304) and is inserted into the inner side of the rear end of the second limiting sleeve (404); the central gear (307) and the second limiting sleeve (404) are connected via a flat key; a bearing is provided between the second limiting sleeve (404) and the reverse fan frame (304); and the reverse fan frame (304) and the central gear (307) are fixedly connected.

7. A turbofan supercharged structure according to claim 6, characterized in that: The front end of the transmission shaft (205) passes through the forward fan frame (303) and is connected to the locking cover (306) by means of threads; the front end surface of the first limiting sleeve (401) is in close contact with the forward fan frame (303); one end of the positioning rod (402) passes through the first limiting sleeve (401) and is connected to the transmission shaft (205) by means of threads; the first limiting sleeve (401) and the transmission shaft (205) are fixedly connected by means of the positioning rod (402); the forward fan frame (303) and the transmission shaft (205) are fixedly connected by means of the locking cover (306) and the first limiting sleeve (401); and the connecting threaded sleeve (406) is connected to the positioning sleeve (403) and the spline hole (405) by means of threads.

8. The turbofan supercharged structure according to claim 7, characterized in that: The central gear (307), the transmission ring gear (310) and the three planetary gears (309) form a gear set; the three planetary gears (309) are connected to the central gear (307) and the transmission ring gear (310) through inter-tooth meshing; the transmission ring gear (310) is fixedly connected to the transmission shaft (205); and the three planetary gears (309) are connected to the rear mesh cover (301) through a gear mounting seat (311).

9. A turbofan supercharged structure according to claim 8, characterized in that: The forward fan frame (303) and the reverse fan frame (304) have opposite rotation directions, and a plurality of blades are arranged on the outer sides of the forward fan frame (303) and the reverse fan frame (304). The blades on the forward fan frame (303) and the reverse fan frame (304) are installed in opposite directions.

10. A method for assembling a turbofan supercharged structure, characterized in that: The method for assembling a turbofan supercharged structure according to any one of claims 1 to 9 comprises the following steps: S1: The telescopic rod (104) is installed on the inner side of the connecting sleeve rod (103) by threaded connection, so that the bottom end of the connecting sleeve rod (103) is locked and connected with the chassis seat (102) by one of the locking sleeves (106), and the upper end of the telescopic rod (104) is locked and installed with the control operation shell (105) by another locking sleeve (106), and then the upper end of the control operation shell (105) is locked and connected with the connecting seat (201) by a locking knob (203), and a ventilation cover (206) and a ventilation hood (202) are fixedly installed on the upper end of the connecting seat (201), so that the motor (204) is fixedly protected by the ventilation cover (206) and the ventilation hood (202); S2: The transmission shaft (205) on the inner side of the motor (204) passes through the ventilation cover (206) and is inserted between the rear mesh cover (301) and the front mesh cover (302), so that the rear mesh cover (301) and the ventilation cover (206) are locked and installed through the mesh cover locking ring (305), and the installation height of the dual fan mechanism (3) can be adjusted by rotating the telescopic rod (104) relative to the connecting sleeve rod (103), and the gear mounting seat (311) is placed on the rear mesh cover ( The front end surface of the fan housing (301) is connected to the front end surface of the fan housing (301), so that the three planetary gears (309) are all sleeved on the front end of the gear mounting seat (311), and then the central gear (307) fixed to the reverse fan frame (304) is plugged into the inner side of the three planetary gears (309), and the transmission ring gear (310) is placed on the outer side of the three planetary gears (309), so that the three planetary gears (309) are connected to the central gear (307) and the planetary gears (309) through inter-tooth meshing to form a gear set; S3: The transmission block (308) and the transmission shaft (205) are positioned and connected via the positioning insert (207), so that the reverse fan frame (304) can be limited by the second limiting sleeve (404) and the transmission block (308), and at the same time, the rear end of the positioning sleeve (403) is plugged into the inner side of the spline hole (405), and the connecting threaded sleeve (406) is connected to the positioning sleeve (403) and the spline hole (405) via threads, and then when the positioning rod (402) positions and installs the first limiting sleeve (401), the first limiting sleeve (401) ), the positioning sleeve (403), and the spline hole (405) can effectively maintain the installation stability of the forward fan frame (303) and the reverse fan frame (304), and the forward fan frame (303) is locked by threading the locking cover (306) and the transmission shaft (205), and the connecting threaded sleeve (406) is rotated relative to the first limiting sleeve (401), thereby adjusting the spacing between the positioning sleeve (403) and the spline hole (405), thereby meeting the requirements for adjusting the spacing between the forward fan frame (303) and the reverse fan frame (304); S4: Turning on the power supply, starting the motor (204) through the control switch (107), so that the motor (204) synchronously drives the forward fan frame (303) and the transmission ring gear (310) to rotate through the transmission shaft (205) under the support of the ventilation cover (202) and the ventilation cover (206), and then the transmission ring gear (310) drives the central gear (307) and the reverse fan frame (304) to rotate in the opposite direction through the three planetary gears (309), and the outer sides of the forward fan frame (303) and the reverse fan frame (304) are both provided with blades, and the blades on the forward fan frame (303) and the reverse fan frame (304) are installed in opposite directions; S5: When the reverse fan frame (304) is reversed at high speed relative to the forward fan frame (303) through the gear set, the air behind the rear mesh cover (301) can be extracted and pressurized and transported forward, and then the pressurized airflow can be transported forward through the forward fan frame (303). Directional pressurization of the airflow is achieved through the forward fan frame (303) and the reverse fan frame (304), effectively increasing the air volume during overall operation and the blowing distance of the airflow, thereby enhancing the cooling effect.

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