High-efficiency energy-saving industrial fan with noise reduction and shock absorption functions

Abstract

The application discloses a kind of high-efficiency energy-saving industrial fan with noise reduction and shock absorption function, fan cylinder one end is equipped with air inlet and the other end is equipped with air outlet, the bottom of fan cylinder outside is provided with mounting seat, mounting seat is connected with base, and shock-absorbing base is installed below base, the inside of fan cylinder is successively covered with sound insulation layer and first sound-absorbing layer, the inside of air inlet and air outlet is successively provided with second sound-absorbing layer and noise reduction hole plate, and noise reduction protective screen cover is installed inside air inlet and air outlet, motor is inside sound insulation box, the output end of motor is connected with the high-efficiency transmission mechanism arranged in the inside of fan cylinder, and the high-efficiency transmission mechanism one end is connected with several groups of fan blade.This high-efficiency energy-saving industrial fan with noise reduction and shock absorption function is used to solve the problem that noise generated by existing industrial fan during operation is easily transmitted to the outside, by placing motor inside sound insulation box, and setting sound insulation layer and sound insulation damping felt inside fan cylinder.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of industrial fans, in particular to a high-efficiency energy-saving industrial fan with noise reduction and shock absorption functions. BACKGROUND

[0002] Industrial fans are large fans widely used in industrial plants, logistics warehouses, waiting rooms, exhibition halls, stadiums, supermarkets and other high spaces.

[0003] After searching, it is found that the prior art such as the energy-saving high-efficiency large industrial fan disclosed in Publication No. CN217029386U includes a fan body and a base, the bottom surface of the fan body is provided with a mounting seat, one side wall of the mounting seat is rotatably connected with a connecting shaft, the upper surface of the base is fixedly connected with a plurality of first connecting pieces, the first connecting pieces are rotatably connected with the connecting shaft, the base is internally provided with a micro air cylinder, the output end of the micro air cylinder is connected with a lifting column, one end of the lifting column is fixedly connected with a second connecting piece, and the bottom surface of the mounting seat is provided with a second rotating shaft. The micro air cylinder, the lifting column, the second connecting piece, the first connecting piece and the connecting shaft are arranged to adjust the angle of the fan body, so that the fan has a wider ventilation angle and better ventilation effect, effectively discharges harmful gases in the room, and improves the ventilation efficiency and flexibility.

[0004] The above industrial fan has good ventilation effect, can effectively discharge harmful gases in the room, and improves the ventilation efficiency and flexibility. However, the noise generated during the operation of the above industrial fan is easily transmitted to the outside, and when the above industrial fan is placed above an external object and operates, the vibration generated during the operation of the industrial fan may be transmitted to the external object along the base, causing the external object to vibrate. Therefore, a high-efficiency energy-saving industrial fan with noise reduction and shock absorption functions is proposed to solve the above problems. SUMMARY

[0005] The present application aims to provide a high-efficiency energy-saving industrial fan with noise reduction and shock absorption functions to solve the problems of the existing industrial fan in the background art, i.e., the noise generated during the operation of the industrial fan is easily transmitted to the outside, and the vibration generated during the operation of the industrial fan may be transmitted to the external object along the base, causing the external object to vibrate.

[0006] To achieve the above object, the present application provides the following technical scheme: a high-efficiency energy-saving industrial fan with noise reduction and shock absorption function, comprising a fan cylinder, an air inlet is formed at one end of the fan cylinder, and an air outlet is formed at the other end, an installation seat is arranged at the bottom outside of the fan cylinder, and the installation seat is rotationally connected to the inside of the connecting piece symmetrically arranged above the base, the bottom of the installation seat is rotationally connected to the output end of the electric telescopic rod arranged inside the base, a shock absorption base is installed below the base, a sound insulation layer and a first sound absorption layer are sequentially wrapped inside the fan cylinder, a second sound absorption layer and a noise reduction hole plate are sequentially arranged inside the air inlet and the air outlet, a noise reduction protective mesh cover is installed inside the air inlet and the air outlet, a motor is arranged inside the fan cylinder, the motor is located inside a sound insulation box, the output end of the motor is connected to a high-efficiency transmission mechanism arranged inside the fan cylinder, one end of the high-efficiency transmission mechanism is connected to a plurality of fan blades, and a spiral wind guide vane is arranged inside the fan cylinder near the air outlet end.

[0007] Preferably, the sound insulation layer comprises sound insulation damping felt and a plurality of hollow sound absorption balls wrapped in the sound insulation damping felt, and the first sound absorption layer is composed of gradient sound absorption cotton.

[0008] By adopting the above technical scheme, the noise is prevented from spreading to the outside of the fan cylinder.

[0009] Preferably, the second sound absorption layer is made of sound absorption cotton, and the noise reduction protective mesh cover is made of foamed metal sound absorption material.

[0010] By adopting the above technical scheme, the air inlet and the air outlet are subjected to noise reduction and sound absorption.

[0011] Preferably, the sound insulation box comprises a sound insulation box body, the sound insulation box body is connected to the inner wall of the fan cylinder, the motor is located inside the sound insulation box body, the output end of the motor penetrates to the outside of the sound insulation box body and is connected to the high-efficiency transmission mechanism, the bottom of the motor is connected to the inside bottom of the sound insulation box body through a motor shock absorption seat, a heat dissipation mechanism cooperating with the motor is arranged inside the sound insulation box body, and the inner wall of the sound insulation box body is sequentially wrapped with a honeycomb plate layer and sound insulation cotton.

[0012] By adopting the above technical scheme, the noise generated by the motor is absorbed.

[0013] Preferably, the sound insulation box body comprises a sound insulation box body, and a sound insulation box cover is installed at the upper end of the sound insulation box body.

[0014] By adopting the above technical scheme, the equipment inside the sound insulation box body can be maintained conveniently.

[0015] Preferably, the high-efficiency transmission mechanism comprises a first helical gear connected with the motor output end, the first helical gear is engaged with a second helical gear, the second helical gear is internally provided with a first rotating rod, the first rotating rod rotates at both ends in first and second support rods arranged inside the fan cylinder body, the first rotating rod is externally provided with a first gear engaged with a second gear, the second gear is internally provided with a second rotating rod, one end of the second rotating rod rotates in the first support rod, and the other end is connected with the fan blade.

[0016] By adopting the above technical scheme, the fan blade is driven to rotate.

[0017] Preferably, the size of the first helical gear is larger than that of the second helical gear, and the size of the first gear is larger than that of the second gear.

[0018] By adopting the above technical scheme, high-efficiency transmission is realized.

[0019] Preferably, the buffer mechanism comprises a fixed rod connected with the sleeve, and the fixed rod is connected with the sleeve at both ends, two groups of second buffer springs are symmetrically sleeved on the outside of the fixed rod, one end of the second buffer spring close to the sleeve is fixedly connected with the fixed rod, the side of the second buffer spring away from the sleeve is provided with a moving block, the moving block is slidingly connected with the outside of the fixed rod, and the moving block is connected with the connecting block below the moving plate through a connecting rod, and the connecting rod, the moving block and the connecting block are all rotationally connected.

[0020] By adopting the above technical scheme, the vibration of the base is buffered.

[0021] Preferably, a micro motor is installed inside the moving plate, and the output end of the micro motor is connected with the base, a sliding block is arranged at the bottom of the base, and an annular sliding groove matched with the sliding block is formed in the moving plate.

[0022] By adopting the above technical scheme, the fan cylinder body can be conveniently driven to rotate.

[0023] Compared with the prior art, the high-efficiency energy-saving industrial fan with noise reduction and shock absorption functions has the advantages that:

[0024] (1) The device is used to solve the problem that the noise generated by the existing industrial fan during operation is easily transmitted to the outside. The motor is placed inside the soundproof box, and the honeycomb board layer and the sound-absorbing cotton inside the soundproof box can reduce and absorb the noise generated by the motor. At the same time, a sound insulation layer and a sound insulation damping felt are arranged inside the fan cylinder. The noise inside the fan cylinder is preliminarily absorbed by the gradient sound-absorbing cotton and then enters the sound insulation layer through the first sound-absorbing layer. The noise is further absorbed and reflected by the multiple hollow sound-absorbing balls, and then weakened. The remaining sound is difficult to pass through the sound insulation damping felt and the fan cylinder to the outside due to low energy, thereby reducing the influence of the noise generated inside the fan cylinder on the outside. A second sound-absorbing layer and a noise reduction hole plate are arranged in the air inlet and the air outlet, respectively, to absorb and isolate the noise generated by the air inlet and the air outlet. A noise reduction protective mesh cover is installed inside the air inlet and the air outlet. The noise reduction protective mesh cover prevents impurities such as leaves from entering the fan cylinder through the air inlet and the air outlet, and also reduces the turbulence of the gas in the air inlet and the air outlet, thereby effectively reducing the aerodynamic noise generated by the fan blades in the fan cylinder.

[0025] (2) The device is used to solve the problem that the vibration generated by the existing industrial fan during operation may be transmitted to the outside object along the base, causing the outside object to vibrate. A damping base is installed below the base. When the base vibrates, the moving plate moves under the action of the base. At this time, the first buffer spring is in a compressed state. At the same time, the moving plate moves, and the moving blocks gradually move away from each other under the action of the connecting rod. At this time, the second buffer spring is also in a compressed state. The vibration of the base is buffered by the first buffer spring and the second buffer spring, avoiding the influence of the base vibration on the outside object.

[0026] (3) The device is used to solve the problem that the existing industrial fan cannot realize high-efficiency rotation. The motor output end is connected with the high-efficiency transmission mechanism. The motor is turned on to drive the first helical gear to rotate. Since the size of the first helical gear is larger than that of the second helical gear, the second helical gear can be driven to rotate at high speed. The second helical gear drives the first rotating rod and the first gear to rotate synchronously. Since the size of the first gear is larger than that of the second gear, the second gear and the second rotating rod can be driven to rotate at high speed, thereby driving the fan blades to rotate at high speed.

[0027] (4) The device is used to solve the problem that the industrial fan cannot rotate to blow air. A micro motor is arranged inside the moving plate, and the micro motor output end is connected with the base. The micro motor is turned on to drive the base and the fan cylinder above the base to rotate, achieving the purpose of rotating to blow air. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0029] Figure 2 It is a schematic diagram of the fan cylinder structure of the application;

[0030] Figure 3 It is a schematic diagram of the front view cross-section structure of the fan cylinder of the application;

[0031] Figure 4 It is a schematic diagram of the position of the sound insulation layer and the first sound absorption layer of the application;

[0032] Figure 5 It is a schematic diagram of the enlarged structure at A of the application;

[0033] Figure 6 It is a schematic diagram of the enlarged structure at B of the application;

[0034] Figure 7 It is a schematic diagram of the structure of the high-efficiency transmission mechanism of the application;

[0035] Figure 8 It is a schematic diagram of the structure of the sound insulation box body of the application;

[0036] Figure 9 It is a schematic diagram of the structure of the shock-absorbing base of the application.

[0037] In the figure: 1, fan cylinder; 101, sound insulation layer; 1011, sound insulation damping felt; 1012, hollow sound absorption ball; 102, first sound absorption layer; 2, air inlet; 201, second sound absorption layer; 202, noise reduction hole plate; 3, air outlet; 4, mounting seat; 5, base; 6, connecting piece; 7, electric telescopic rod; 8, shock-absorbing base; 801, base groove; 802, sleeve; 803, first buffer spring; 804, support block; 805, moving plate; 8051, micro motor; 806, buffer mechanism; 8061, fixed rod; 8062, second buffer spring; 8063, moving block; 8064, connecting rod; 9, noise reduction protective screen; 10, motor; 11, sound insulation box; 111, sound insulation box body; 1111, sound insulation box body; 1112, sound insulation box cover; 112, motor shock-absorbing seat; 113, heat dissipation mechanism; 114, honeycomb plate layer; 115, sound-absorbing cotton; 12, high-efficiency transmission mechanism; 121, first helical gear; 122, second helical gear; 123, first rotating rod; 124, first gear; 125, second gear; 126, second rotating rod; 13, fan blade; 14, spiral air guide blade. DETAILED DESCRIPTION

[0038] Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the protection scope of the present application.

[0039] Please refer to Figures 1-9 The present application provides a technical solution: a high-efficiency energy-saving industrial fan with noise reduction and shock absorption functions, according to Figures 1-8 As shown in the figure, it comprises a fan cylinder 1.

[0040] Specifically, the inside of the fan cylinder 1 is successively covered with a sound insulation layer 101 and a first sound absorption layer 102, the sound insulation layer 101 comprises sound insulation damping felt 1011 and a plurality of hollow sound absorption balls 1012 wrapped in the sound insulation damping felt 1011, and the first sound absorption layer 102 is composed of gradient sound absorption cotton.

[0041] In further embodiments, the noise inside the fan cylinder 1 is preliminarily absorbed by the gradient sound absorption cotton, then passes through the first sound absorption layer 102 into the sound insulation layer 101, is further absorbed and reflected by the plurality of hollow sound absorption balls 1012, and then the noise is weakened. The remaining sound is difficult to pass through the sound insulation damping felt 1011 and the fan cylinder 1 to the outside world because of too low energy, thereby reducing the influence of the noise generated inside the fan cylinder 1 on the outside world.

[0042] Specifically, the fan cylinder 1 is provided with an air inlet 2 at one end and an air outlet 3 at the other end.

[0043] In further embodiments, the inside of the air inlet 2 and the air outlet 3 is successively provided with a second sound absorption layer 201 and a noise reduction hole plate 202, and a noise reduction protective mesh cover 9 is installed inside the air inlet 2 and the air outlet 3. The second sound absorption layer 201 can be made of sound absorption cotton, and the noise reduction protective mesh cover 9 is made of foamed metal sound absorption material.

[0044] In further embodiments, the inside of the air inlet 2 and the air outlet 3 is successively provided with a second sound absorption layer 201 and a noise reduction hole plate 202, which can absorb and isolate the noise generated by the air inlet 2 and the air outlet 3. At the same time, a noise reduction protective mesh cover 9 is installed inside the air inlet 2 and the air outlet 3. The noise reduction protective mesh cover 9 can prevent impurities such as leaves from entering the fan cylinder 1 through the air inlet 2 and the air outlet 3, and can also reduce the turbulence of the gas in the air inlet 2 and the air outlet 3, thereby effectively reducing the aerodynamic noise generated by the fan blades 13 in the fan cylinder 1.

[0045] Specifically, the inside of the fan cylinder 1 is provided with a motor 10, and the motor 10 is located inside a sound insulation box 11.

[0046] In a further embodiment, the soundproof box 11 comprises a soundproof box body 111, and the outer side of the soundproof box body 111 is connected with the inner wall of the fan barrel 1, the motor 10 is located inside the soundproof box body 111, and the output end of the motor 10 penetrates to the outer side of the soundproof box body 111 and is connected with the high-efficiency transmission mechanism 12, the bottom of the motor 10 is connected with the bottom of the inner side of the soundproof box body 111 through the motor damping seat 112, and the soundproof box body 111 is provided with a heat dissipation mechanism 113 matched with the motor 10, and the inner wall of the soundproof box body 111 is sequentially covered with a honeycomb plate layer 114 and sound-absorbing cotton 115.

[0047] In a further embodiment, the soundproof box body 111 comprises a soundproof box body 1111, and a soundproof box cover 1112 is installed on the upper end of the soundproof box body 1111, which facilitates the maintenance of the motor 10 and the heat dissipation mechanism 113 later.

[0048] In use, the motor 10 is placed inside the soundproof box 11, and the honeycomb plate layer 114 and the sound-absorbing cotton 115 provided inside the soundproof box 11 can reduce the noise generated by the motor 10.

[0049] Specifically, the output end of the motor 10 is connected with the high-efficiency transmission mechanism 12 provided inside the fan barrel 1, one end of the high-efficiency transmission mechanism 12 is connected with a plurality of groups of fan blades 13, and a spiral air guide blade 14 is provided inside the fan barrel 1 near one end of the air outlet 3, which can guide the wind generated by the fan blades 13.

[0050] In a further embodiment, the high-efficiency transmission mechanism 12 comprises a first helical gear 121, and the first helical gear 121 is connected with the output end of the motor 10, the first helical gear 121 is engaged with a second helical gear 122, and the second helical gear 122 is provided with a first rotating rod 123 inside, the first rotating rod 123 rotates at both ends in the first supporting rod and the second supporting rod provided inside the fan barrel 1, the outer side of the first rotating rod 123 is provided with a first gear 124, and the first gear 124 is engaged with a second gear 125, the second gear 125 is provided with a second rotating rod 126 inside, one end of the second rotating rod 126 rotates in the first supporting rod, and the other end is connected with the fan blade 13, the size of the first helical gear 121 is greater than that of the second helical gear 122, and the size of the first gear 124 is greater than that of the second gear 125.

[0051] In use, the motor 10 is turned on to drive the first helical gear 121 to rotate at the output end of the motor 10. Since the first helical gear 121 is larger than the second helical gear 122, the second helical gear 122 can be driven to rotate at a higher speed. The second helical gear 122 drives the first rotating rod 123 and the first gear 124 to rotate synchronously. Since the first gear 124 is larger than the second gear 125, the second gear 125 and the second rotating rod 126 can be driven to rotate at a higher speed, thereby driving the fan blades 13 to rotate at a high speed.

[0052] According to Figures 1-2 and Figure 9 As shown in the drawings, the fan cylinder 1 is provided with a mounting seat 4 at the bottom of the outer side, and the mounting seat 4 is rotatably connected to the inner side of the connecting piece 6 symmetrically arranged above the base 5. The bottom of the mounting seat 4 is rotatably connected to the output end of the electric telescopic rod 7 arranged inside the base 5, and the shock-absorbing base 8 is installed below the base 5.

[0053] Specifically, the shock-absorbing base 8 includes a base groove 801, and a sleeve 802 is symmetrically arranged inside the base groove 801. A first buffer spring 803 is installed inside the sleeve 802, and the other end of the first buffer spring 803 is connected to a support block 804. The support block 804 penetrates through the top of the sleeve 802 and is connected to the bottom of a moving plate 805 outside the sleeve 802. The moving plate 805 is slidably connected to the inside of the base groove 801. A buffer mechanism 806 is arranged between the sleeves 802, and the buffer mechanism 806 is connected to the moving plate 805.

[0054] In a further embodiment, the buffer mechanism 806 includes a fixed rod 8061 connected to the sleeves 802 at both ends. Two groups of second buffer springs 8062 are symmetrically sleeved outside the fixed rod 8061. One end of the second buffer spring 8062 close to the sleeve 802 is fixedly connected to the fixed rod 8061. The other side of the second buffer spring 8062 away from the sleeve 802 is provided with a moving block 8063. The moving block 8063 is slidably connected to the outside of the fixed rod 8061. The moving block 8063 is connected to the connecting block below the moving plate 805 through a connecting rod 8064. The connecting rod 8064, the moving block 8063, and the connecting block are all rotatably connected.

[0055] When the base 5 vibrates, the moving plate 805 moves under the action of the base 5. At this time, the first buffer spring 803 is in a compressed state. At the same time, the moving plate 805 moves, and the moving blocks 8063 gradually move away from each other under the action of the connecting rod 8064. At this time, the second buffer spring 8062 is also in a compressed state. Under the action of the first buffer spring 803 and the second buffer spring 8062, the vibration of the base 5 is buffered, avoiding the influence of the vibration of the base 5 on external objects.

[0056] Specifically, the moving plate 805 is internally provided with a micro motor 8051, and the output end of the micro motor 8051 is connected with the base 5. The bottom of the base 5 is provided with a sliding block, and the moving plate 805 is provided with an annular sliding groove matched with the sliding block.

[0057] In a further embodiment, by internally providing the moving plate 805 with a micro motor 8051, and connecting the output end of the micro motor 8051 with the base 5, the micro motor 8051 is started, so as to drive the base 5 and the fan barrel 1 above the base 5 to rotate, so as to achieve the purpose of rotating and blowing air.

[0058] The terms "center", "longitudinal", "transverse", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only a simplified description for the convenience of describing the present application, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the protection scope of the present application.

[0059] Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacements to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A high-efficiency energy-saving industrial fan with noise reduction and vibration damping functions, comprising a fan body (1), wherein an air inlet (2) is provided at one end of the fan body (1) and an air outlet (3) is provided at the other end, a mounting base (4) is provided at the bottom of the outer side of the fan body (1), and the mounting base (4) is rotatably connected to the inner side of a connecting piece (6) symmetrically arranged above a base (5), the bottom of the mounting base (4) is rotatably connected to the output end of an electric telescopic rod (7) provided inside the base (5), and a vibration damping base (8) is installed below the base (5), characterized in that: The inner side of the fan cylinder (1) is sequentially covered with a sound insulation layer (101) and a first sound absorption layer (102). The sound insulation layer (101) includes a sound insulation damping felt (1011) and a plurality of hollow sound-absorbing balls (1012) wrapped in the sound insulation damping felt (1011). The first sound absorption layer (102) is composed of gradient sound-absorbing cotton. The air inlet (2) and air outlet (3) are sequentially provided with a second sound-absorbing layer (201) and a noise-reducing perforated plate (202), and a noise-reducing protective mesh cover (9) is installed inside the air inlet (2) and air outlet (3). A motor (10) is provided inside the fan body (1), and the motor (10) is located inside the soundproof box (11). The soundproof box (11) includes a soundproof box body (111), and the outer side of the soundproof box body (111) is connected to the inner wall of the fan body (1). The motor (10) Located inside the soundproof box body (111), and the output end of the motor (10) extends through to the outside of the soundproof box body (111) and is connected to the high-efficiency transmission mechanism (12). The bottom of the motor (10) is connected to the bottom of the inner side of the soundproof box body (111) through the motor shock absorber (112). The soundproof box body (111) is equipped with a heat dissipation mechanism (113) that works with the motor (10). The inner wall of the soundproof box body (111) is covered with a honeycomb panel layer (114) and sound-absorbing cotton (115) in sequence. The output end of the motor (10) is connected to the high-efficiency transmission mechanism (12) inside the fan body (1), and one end of the high-efficiency transmission mechanism (12) is connected to several sets of fan blades (13). The high-efficiency transmission mechanism (12) includes a first helical gear (121), and the first helical gear (121) is connected to the output end of the motor (10). The first helical gear (121) meshes with a second helical gear (122), and a first rotating rod (123) is provided inside the second helical gear (122). The first and second support rods are installed inside the fan body (1) at both ends and rotate inside the fan body (1). The first gear (124) is installed on the outside of the first rotating rod (123), and the first gear (124) meshes with the second gear (125). The second rotating rod (126) is installed inside the second gear (125), and one end of the second rotating rod (126) rotates inside the first support rod, while the other end is connected to the fan blade (13). The fan body (1) is provided with a spiral guide vane (14) at the end near the air outlet (3). The shock-absorbing base (8) includes a base groove (801), and sleeves (802) are symmetrically arranged inside the base groove (801). A first buffer spring (803) is installed inside the sleeve (802), and the other end of the first buffer spring (803) is connected to a support block (804). The top of the support block (804) extends through to the outside of the sleeve (802) and is connected to the bottom of a moving plate (805). The moving plate (805) is slidably connected to the inside of the base groove (801). A buffer mechanism (806) is arranged between the sleeves (802), and the buffer mechanism (806) is connected to the moving plate (805). The buffer mechanism (806) includes a fixing rod (8061). The fixed rod (8061) is connected to the sleeve (802) at both ends, and two sets of second buffer springs (8062) are symmetrically sleeved on the outside of the fixed rod (8061). The end of the second buffer spring (8062) near the sleeve (802) is fixedly connected to the fixed rod (8061). A moving block (8063) is provided on the side of the second buffer spring (8062) away from the sleeve (802). The moving block (8063) is slidably connected to the outside of the fixed rod (8061), and the moving block (8063) is connected to the connecting block below the moving plate (805) through the connecting rod (8064). The connecting rod (8064), the moving block (8063), and the connecting block are all rotatably connected.

2. The high-efficiency energy-saving industrial fan with noise reduction and vibration damping functions according to claim 1, characterized in that: The second sound-absorbing layer (201) is made of sound-absorbing cotton, and the noise reduction and protective mesh cover (9) is made of foam metal sound-absorbing material.

3. A high-efficiency energy-saving industrial fan with noise reduction and vibration damping functions according to claim 1, characterized in that: The soundproof box body (111) includes a soundproof box body (1111), and a soundproof box cover (1112) is installed on the upper end of the soundproof box body (1111).

4. A high-efficiency energy-saving industrial fan with noise reduction and vibration damping functions according to claim 1, characterized in that: The size of the first helical gear (121) is larger than that of the second helical gear (122), and the size of the first gear (124) is larger than that of the second gear (125).

5. A high-efficiency energy-saving industrial fan with noise reduction and vibration damping functions according to claim 1, characterized in that: The movable plate (805) is equipped with a micro motor (8051), and the output end of the micro motor (8051) is connected to the base (5). The bottom of the base (5) is provided with a slider, and the movable plate (805) is provided with an annular groove that matches the slider.

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