High-pressure fire-fighting axial flow fan

Abstract

The utility model discloses a high-pressure fire-fighting axial flow fan which comprises a fan shell, a motor is arranged in the fan shell, one end of the motor is fixedly connected with a plurality of fan blades, a buffer connecting mechanism is arranged between the motor and the fan shell, the outer wall of the fan shell is fixedly connected with an outer box, and the fan blades are fixedly connected with the outer box. A circulating heat dissipation mechanism is arranged between the outer box and the motor, an air outlet filter plate is arranged at one end of the fan shell, a plurality of bolts are in threaded connection with the outer wall of the air outlet filter plate, and the stability of the motor and fan blades of the motor can be guaranteed by arranging a buffer connecting mechanism between the frame and the fan shell; the circulating heat dissipation mechanism arranged between the motor and the outer box can utilize circulating cooling liquid to conduct water-cooling heat exchange cooling treatment on the motor, the active heat dissipation mechanism is arranged to conduct stirring heat dissipation on the interior of the side box, and therefore active heat dissipation can be conducted on the circulating cooling liquid, and the subsequent heat dissipation effect on the motor is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of fans, in particular to a high-pressure fire-fighting axial flow fan. Background Art

[0002] Smoke exhaust fans are suitable for ventilation or high-temperature smoke exhaust in high-rise buildings, underground structures, tunnels, and drying rooms. Fire smoke exhaust fans can operate continuously for more than 30 minutes at high temperatures of 280°C and for 20 hours at a medium temperature of 100°C without damage, making them essential firefighting equipment.

[0003] For example, the utility model patent with patent number 202020663194.4 discloses an axial flow fire smoke exhaust fan, which includes a fan casing, connecting edges are provided on both sides of the fan casing, grids are provided at both ends of the fan casing, and the two groups of grids are connected to the bearing seat through an axle rod, and both ends of the fan casing are connected to the blocks at the outer ends of the grids through slots, and the interior of the fan casing is connected to a motor box, and a motor is installed inside the motor box, and the output end of the motor is connected to a drainage fan blade, but it only ignores the active heat dissipation of the fan components, resulting in a limited service life of the fan. In view of this, a high-pressure fire axial flow fan is proposed. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a high-pressure fire-fighting axial flow fan.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A high-pressure fire-fighting axial flow fan comprises a fan casing, a motor is arranged inside the fan casing, a plurality of fan blades are fixedly connected to one end of the motor, a buffer connection mechanism is arranged between the motor and the fan casing, an outer box is fixedly connected to the outer wall of the fan casing, a circulating heat dissipation mechanism is arranged between the outer box and the motor, an air outlet filter plate is arranged at one end of the fan casing, a plurality of bolts are threadedly connected to the outer wall of the air outlet filter plate, an air inlet filter mechanism is arranged at the other end of the fan casing, a plurality of side boxes are fixedly connected to both ends of the outer wall of the fan casing, and an active heat dissipation mechanism is arranged between the side box and the outer box.

[0007] Preferably, the buffer connection mechanism includes a first spring and a damper, the outer wall of the motor is fixedly connected to a frame, and the top and bottom of the first spring and the damper are fixedly connected to the fan casing and the frame respectively.

[0008] Preferably, the circulating heat dissipation mechanism includes a water pump and a liquid guiding hose, the water pump is fixedly connected to both sides of the inner wall of the outer box respectively, and both ends of the liquid guiding hose are fixedly connected to the frame and the water pump respectively, and the frame is set to be hollow.

[0009] Preferably, the air inlet filter mechanism includes an air inlet filter plate and a fixed ring, the fixed ring is fixedly connected to the inner wall of the fan housing, and a plurality of second springs are fixedly connected between the air inlet filter plate and the fixed ring.

[0010] Preferably, the active heat dissipation mechanism includes a drive motor and a rotating shaft. The drive motor is located at one end of the fan housing. The drive motor is fixedly connected to the side box. The rotating shaft is rotatably connected to the side box. A plurality of stirring rods are fixedly connected to the outer wall of the rotating shaft. The stirring rods are located inside the side box. A plurality of air holes are opened on the top of the side box.

[0011] Preferably, one end of the fan casing is fixedly connected to a plurality of connecting rods, the connecting rods are fixedly connected to bearings, the bearings are rotatably connected to rotating rods, a belt is transmitted between the rotating rods and the rotating shaft, the outer wall of the rotating rods is fixedly connected to a driving rod, the other end of the driving rods is fixedly connected to a scraper, and the scraper is naturally in contact with the air inlet filter plate.

[0012] Preferably, a fixing block is fixedly connected to the outer wall of the air inlet filter plate.

[0013] The beneficial effects of the utility model are:

[0014] 1. A buffer connection mechanism is provided between the frame and the fan casing to ensure the stability of the motor and its fan blades. A circulating heat dissipation mechanism is provided between the motor and the outer box to allow the motor to be water-cooled by means of heat exchange with the circulating coolant. An active heat dissipation mechanism is provided to stir and dissipate heat inside the side box, thereby actively dissipating the circulating coolant and ensuring the subsequent heat dissipation effect on the motor.

[0015] 2. By arranging a second spring between the fixed ring and the air inlet filter plate, the air inlet filter plate can be made movable, thereby facilitating the shedding of impurities on the surface of the air inlet filter plate and avoiding blockage. By arranging a belt on the outer wall of the rotating shaft, the rotating rod can be rotated, so that the outer wall of the rotating rod can be scraped by a scraper connected to the driving rod to scrape the air inlet filter plate, further promoting the shedding of impurities and ensuring the fan effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the main structure of the high-pressure fire-fighting axial flow fan proposed in this utility model;

[0017] Figure 2 This is a schematic diagram of the side structure of the main body of the high-pressure fire-fighting axial flow fan proposed in this utility model;

[0018] Figure 3 This is a schematic side sectional view of the high-pressure fire-fighting axial flow fan proposed in the present invention;

[0019] Figure 4 This is a schematic diagram of the front cross-section structure of the high-pressure fire-fighting axial flow fan proposed in the utility model.

[0020] In the figure: 1 fan housing, 2 side box, 3 air vent, 4 liquid guide pipe, 5 bolt, 6 air outlet filter plate, 7 outer box, 8 air inlet filter plate, 9 rotating rod, 10 bearing, 11 connecting rod, 12 scraper, 13 fixed block, 14 belt, 15 rotating shaft, 16 drive motor, 17 damper, 18 first spring, 19 water pump, 20 liquid guide hose, 21 frame, 22 motor, 23 fan blade, 24 driving rod, 25 second spring, 26 fixing ring, 27 stirring rod. DETAILED DESCRIPTION

[0021] 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.

[0022] Reference Figure 1-4 , a high-pressure fire-fighting axial flow fan comprises a fan casing 1, a motor 22 is arranged inside the fan casing 1, a plurality of fan blades 23 are fixedly connected to one end of the motor 22, a buffer connection mechanism is arranged between the motor 22 and the fan casing 1, an outer box 7 is fixedly connected to the outer wall of the fan casing 1, a circulating heat dissipation mechanism is arranged between the outer box 7 and the motor 22, an air outlet filter plate 6 is arranged at one end of the fan casing 1, a plurality of bolts 5 are threadedly connected to the outer wall of the air outlet filter plate 6, an air inlet filter mechanism is arranged at the other end of the fan casing 1, and both ends of the outer wall of the fan casing 1 are fixedly connected Multiple side boxes 2 are connected, and an active heat dissipation mechanism is provided between the side box 2 and the outer box 7. By providing a buffer connection mechanism between the frame 21 and the fan casing 1, the stability of the motor 22 and its fan blades 23 can be ensured. By providing a circulating heat dissipation mechanism between the motor 22 and the outer box 7, the motor can be water-cooled by using the circulating coolant for heat exchange and cooling. By providing an active heat dissipation mechanism, the inside of the side box 2 can be stirred and cooled, thereby actively cooling the circulating coolant and ensuring the subsequent heat dissipation effect of the motor 22.

[0023] In the present invention, the buffer connection mechanism includes a first spring 18 and a damper 17. The outer wall of the motor 22 is fixedly connected to the frame 21. The top and bottom of the first spring 18 and the damper 17 are respectively fixedly connected to the fan housing 1 and the frame 21. By providing a buffer connection mechanism between the frame 21 and the fan housing 1, the stability of the motor 22 and its blades 23 can be ensured.

[0024] The circulating heat dissipation mechanism includes a water pump 19 and a liquid guiding hose 20. The water pump 19 is fixedly connected to both sides of the inner wall of the outer box 7. The two ends of the liquid guiding hose 20 are fixedly connected to the frame 21 and the water pump 19 respectively. The frame 21 is set to be hollow. By setting a circulating heat dissipation mechanism between the motor 22 and the outer box 7, the motor can be cooled by water using the circulating coolant for heat exchange and temperature reduction.

[0025] The air inlet filter mechanism includes an air inlet filter plate 8 and a fixing ring 26, the fixing ring 26 is fixedly connected to the inner wall of the fan housing 1, and a plurality of second springs 25 are fixedly connected between the air inlet filter plate 8 and the fixing ring 26. One end of the fan housing 1 is fixedly connected to a plurality of connecting rods 11, the connecting rod 11 is fixedly connected to a bearing 10, and the bearing 10 is rotatably connected to a rotating rod 9. A belt 14 is transmitted between the rotating rod 9 and the rotating shaft 15. The outer wall of the rotating rod 9 is fixedly connected to a driving rod 24, and the other end of the driving rod 24 is fixedly connected to a scraper 12. The scraper 12 and the air inlet filter plate 8 are naturally in contact with the air inlet filter plate 8. By arranging the second spring 25 between the fixing ring 26 and the air inlet filter plate 8, the air inlet filter plate 8 can be made movable, thereby facilitating the shedding of impurities on the surface of the air inlet filter plate 8 to avoid clogging. By arranging the belt 14 on the outer wall of the rotating shaft 15, the rotating rod 9 can be rotated, so that the outer wall of the rotating rod 9 can be scraped by the scraper 12 connected to the driving rod 24 to further promote the shedding of impurities and ensure the fan effect.

[0026] The active heat dissipation mechanism includes a drive motor 16 and a rotating shaft 15. The drive motor 16 is located at one end of the fan housing 1. The drive motor 16 is fixedly connected to the side box 2. The rotating shaft 15 is rotatably connected to the side box 2. A plurality of stirring rods 27 are fixedly connected to the outer wall of the rotating shaft 15. The stirring rods 27 are located inside the side box 2. A plurality of air holes 3 are opened on the top of the side box 2. By setting up the active heat dissipation mechanism, the inside of the side box 2 can be stirred and cooled, thereby actively cooling the circulating coolant and ensuring the subsequent heat dissipation effect of the motor 22.

[0027] The outer wall of the air inlet filter plate 8 is fixedly connected with a fixing block 13, so that the air inlet filter plate 8 has the ability to move and promote the shedding of impurities.

[0028] Working principle: In the idle space of this device, all the above components, which refer to structural parts, are connected. The specific connection means should refer to the following working principle. The components are connected in sequence. The detailed connection means are well-known technologies in this field. The following mainly introduces the working principle and process, and no further explanation is given. When using this device, a buffer connection mechanism is provided between the frame 21 and the fan casing 1 to ensure the stability of the motor 22 and its fan blades 23. By providing a circulating heat dissipation mechanism between the motor 22 and the outer box 7, the circulating coolant can be used to perform water-cooled heat exchange and cooling treatment on the motor. By providing an active heat dissipation mechanism, the inside of the side box 2 can be stirred and dissipated, so that the circulating coolant can be actively dissipated to ensure the subsequent heat dissipation effect of the motor 22.

[0029] The above are only preferred specific implementation methods of the present invention, but the protection scope of the present invention is not limited to them. Any technician familiar with the technical field can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention within the technical scope disclosed by the present invention, and they should be covered by the protection scope of the present invention.

Claims

1. A high-pressure fire-fighting axial flow fan, comprising a fan housing (1), wherein a motor (22) is provided inside the fan housing (1), and a plurality of fan blades (23) are fixedly connected to one end of the motor (22), characterized in that: A buffer connection mechanism is provided between the motor (22) and the fan housing (1); an outer box (7) is fixedly connected to the outer wall of the fan housing (1); a circulating heat dissipation mechanism is provided between the outer box (7) and the motor (22); an air outlet filter plate (6) is provided at one end of the fan housing (1); a plurality of bolts (5) are threadedly connected to the outer wall of the air outlet filter plate (6); an air inlet filter mechanism is provided at the other end of the fan housing (1); a plurality of side boxes (2) are fixedly connected to the two ends of the outer wall of the fan housing (1); and an active heat dissipation mechanism is provided between the side boxes (2) and the outer box (7).

2. The high-pressure fire-fighting axial flow fan according to claim 1, characterized in that: The buffer connection mechanism includes a first spring (18) and a damper (17); the outer wall of the motor (22) is fixedly connected to a frame (21); the top and bottom of the first spring (18) and the damper (17) are fixedly connected to the fan housing (1) and the frame (21), respectively.

3. The high-pressure fire-fighting axial flow fan according to claim 2, characterized in that: The circulating heat dissipation mechanism comprises a water pump (19) and a liquid guiding hose (20). The water pump (19) is fixedly connected to both sides of the inner wall of the outer box (7), and both ends of the liquid guiding hose (20) are fixedly connected to the frame (21) and the water pump (19), respectively. The frame (21) is set to be hollow.

4. The high-pressure fire-fighting axial flow fan according to claim 1, characterized in that: The air intake filter mechanism comprises an air intake filter plate (8) and a fixing ring (26), wherein the fixing ring (26) is fixedly connected to the inner wall of the fan housing (1), and a plurality of second springs (25) are fixedly connected between the air intake filter plate (8) and the fixing ring (26).

5. The high-pressure fire-fighting axial flow fan according to claim 4, characterized in that: The active heat dissipation mechanism comprises a drive motor (16) and a rotating shaft (15), wherein the drive motor (16) is located at one end of the fan housing (1), the drive motor (16) is fixedly connected to the side box (2), the rotating shaft (15) is rotatably connected to the side box (2), a plurality of stirring rods (27) are fixedly connected to the outer wall of the rotating shaft (15), the stirring rods (27) are located inside the side box (2), and a plurality of air holes (3) are opened on the top of the side box (2).

6. The high-pressure fire-fighting axial flow fan according to claim 5, characterized in that: One end of the fan housing (1) is fixedly connected to a plurality of connecting rods (11), the connecting rods (11) are fixedly connected to bearings (10), the bearings (10) are rotatably connected to a rotating rod (9), a belt (14) is transmission-connected between the rotating rod (9) and the rotating shaft (15), the outer wall of the rotating rod (9) is fixedly connected to a driving rod (24), the other end of the driving rod (24) is fixedly connected to a scraper (12), and the scraper (12) is naturally in contact with the air inlet filter plate (8).

7. The high-pressure fire-fighting axial flow fan according to claim 6, characterized in that: A fixing block (13) is fixedly connected to the outer wall of the air inlet filter plate (8).

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