CN212928335U

CN212928335U - Industrial energy-saving centrifugal ventilator

Info

Publication number: CN212928335U
Application number: CN202021875446.6U
Authority: CN
Inventors: 冉桐
Original assignee: Chongqing Industry Polytechnic College
Current assignee: Chongqing Industry Polytechnic College
Priority date: 2020-09-01
Filing date: 2020-09-01
Publication date: 2021-04-09
Anticipated expiration: 2030-09-01

Abstract

The utility model discloses an industrial energy-conserving centrifugal fan, include bottom plate, chassis, centrifugal fan, motor, bearing frame, axostylus axostyle, action wheel, from driving wheel and belt, the chassis is connected the bottom plate upper surface, centrifugal fan connects the bottom plate upper surface, the motor is connected on the chassis, the bearing frame sets up the centrifugal fan surface, axostylus axostyle one end with centrifugal fan is connected, the screw rod lower extreme is connected on the U-shaped frame, the mechanism of making an uproar falls mainly includes: the noise reduction pad comprises a semicircular block, a concave block and a noise reduction pad, wherein the semicircular block is connected to the two opposite ends of the lower surface of the bottom plate, the concave block is arranged at the lower end of the semicircular block, and the noise reduction pad is connected to the inside of the concave block. The utility model discloses simple structure absorbs the noise at work that the equipment during operation produced through falling the pad of making an uproar to the bearing frame of different models is conveniently changed to the height of the backup pad that can adjust bearing frame lower extreme.

Description

Industrial energy-saving centrifugal ventilator

Technical Field

The utility model belongs to the technical field of an industrial equipment technique and specifically relates to an industrial energy-conserving centrifugal fan is related to.

Background

The centrifugal fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. Centrifugal fans are widely used in ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and draught of boilers and industrial kilns. However, the existing centrifugal ventilator often generates great noise due to resonance during operation, the existing noise reduction method is complicated, and when the bearing seat is damaged, only the same type of bearing seat can be purchased, which is very inconvenient, so that improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to above-mentioned current centrifugal fan produces very big noise because resonance at the during operation often, and the method of making an uproar falls in the current is all comparatively complicated to can only be equipped with when bearing frame damages and purchase the bearing frame with the model, very inconvenient problem.

In order to solve the problems, the technical proposal adopted by the utility model is that the utility model provides an industrial energy-saving centrifugal ventilator, which comprises a bottom plate, a bottom frame, a centrifugal fan, a motor, a bearing seat, a shaft lever, a driving wheel, a driven wheel and a belt, the bottom frame is connected to the upper surface of the bottom plate, the centrifugal fan is connected to the upper surface of the bottom plate, the motor is connected to the bottom frame, the bearing seat is arranged on the outer surface of the centrifugal fan, one end of the shaft lever is connected with the centrifugal fan, the shaft lever bearing is sleeved in the bearing seat, the driving wheel is fixedly sleeved at the output end of the motor, the driven wheel is fixedly sleeved at the other end of the shaft lever, the belt is sleeved between the driving wheel and the driven wheel, a supporting mechanism is arranged between the bearing seat and the bottom plate, and a noise reduction mechanism is arranged on the lower surface of the bottom plate;

the supporting mechanism mainly comprises: the device comprises a U-shaped frame, a supporting plate, a rectangular block, a bearing, a threaded sleeve and a screw rod;

the U-shaped frame is connected to the upper surface of the bottom plate, the supporting plate is connected between the U-shaped frames, the rectangular block is connected to the lower surface of the supporting plate, the bearing is fixedly embedded in the rectangular block, the threaded sleeve is fixedly sleeved in the bearing, and the lower end of the screw rod is connected to the U-shaped frame;

the noise reduction mechanism mainly comprises: the noise reduction device comprises a semicircular block, a concave block and a noise reduction pad;

the semicircular block is connected to two opposite ends of the lower surface of the bottom plate, the concave block is arranged at the lower end of the semicircular block, and the noise reduction pad is connected to the inside of the concave block.

Preferably, the U-shaped frame is provided with an elongated slot, and the support plate is connected with the U-shaped frame through a bolt.

Preferably, the semicircular block is connected with the bottom plate through a bolt.

Preferably, the screw is threaded in the threaded sleeve.

Preferably, the noise reduction pad and the concave block are connected in a sticking mode.

Compared with the prior art, the utility model discloses an advantage lies in with positive effect, simple structure, and through falling the noise of making an uproar pad absorption equipment during operation production to can adjust the height of the backup pad of bearing frame lower extreme, conveniently change the bearing frame of different models.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic structural diagram of an industrial energy-saving centrifugal fan provided in this embodiment;

fig. 2 is an overall view of an industrial energy-saving centrifugal fan provided in this embodiment;

shown in the figure: 1. a base plate; 2. a chassis; 3. a centrifugal fan; 4. a motor; 5. a bearing seat; 6. a shaft lever; 7. a driving wheel; 8. a driven wheel; 9. a belt; 10. a U-shaped frame; 11. a support plate; 12. a rectangular block; 13. a bearing; 14. a threaded bushing; 15. a screw; 16. a semicircular block; 17. a concave block; 18. a noise reduction pad; 19. a long groove.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

The embodiment can be known from fig. 1-2 of the specification, and the technical scheme is that the industrial energy-saving centrifugal ventilator comprises a bottom plate 1, an underframe 2, a centrifugal fan 3, a motor 4, a bearing seat 5, a shaft lever 6, a driving wheel 7, a driven wheel 8 and a belt 9, wherein the underframe 2 is connected to the upper surface of the bottom plate 1, the centrifugal fan 3 is connected to the upper surface of the bottom plate 1, the motor 4 is connected to the underframe 2, the bearing seat 5 is arranged on the outer surface of the centrifugal fan 3, one end of the shaft lever 6 is connected with the centrifugal fan 3, the shaft lever 6 is sleeved in the bearing seat 5 in a bearing way, the driving wheel 7 is fixedly sleeved at the output end of the motor 4, the driven wheel 8 is fixedly sleeved at the other end of the shaft lever 6, the belt 9 is sleeved between the driving wheel 7 and the driven wheel 8, the lower surface of the bottom plate 1 is provided with a noise reduction mechanism;

the supporting mechanism mainly comprises: a U-shaped frame 10, a support plate 11, a rectangular block 12, a bearing 13, a threaded sleeve 14 and a screw 15;

the U-shaped frame 10 is connected to the upper surface of the bottom plate 1, the supporting plates 11 are connected between the U-shaped frames 10, the rectangular blocks 12 are connected to the lower surface of the supporting plates 11, the bearings 13 are fixedly embedded in the rectangular blocks 12, the threaded sleeves 14 are fixedly sleeved in the bearings 13, and the lower ends of the screws 15 are connected to the U-shaped frames 10;

the noise reduction mechanism mainly comprises: a semicircular block 16, a concave block 17, and a noise reduction pad 18;

the semicircular block 16 is connected to two opposite ends of the lower surface of the bottom plate 1, the concave block 17 is arranged at the lower end of the semicircular block 16, and the noise reduction pad 18 is connected in the concave block 17.

As can be seen from fig. 1-2 of the specification, the U-shaped frame 10 is provided with an elongated slot 19, and the support plate 11 is connected with the U-shaped frame 10 by bolts; the semicircular block 16 is connected with the bottom plate 1 through bolts; the screw rod 15 is in threaded connection with the threaded sleeve 14; the noise reduction pad 18 and the concave block 17 are connected in a sticking mode;

it is important to point out that, in the implementation process, when the bearing seat 5 is damaged, the bolt between the support plate 11 and the U-shaped frame 10 is loosened, then the threaded sleeve 14 is rotated, the threaded sleeve 14 rotates on the screw rod 15, the rectangular block 12 and the support plate 11 are driven by the bearing 13 to move downwards, then the bearing seat 5 is replaced, after the replacement is completed, the threaded sleeve 14 is rotated to drive the support plate 11 to move upwards to contact the ground of the bearing seat 5, then the bolt fixes the support plate 11 and the U-shaped frame 10 through the long groove 19, and when the centrifugal fan 3 works, the generated resonance noise is offset by the noise reduction pad 18.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. An industrial energy-saving centrifugal ventilator comprises a bottom plate (1), a chassis (2), a centrifugal fan (3), a motor (4), a bearing seat (5), a shaft lever (6), a driving wheel (7), a driven wheel (8) and a belt (9), and is characterized in that the chassis (2) is connected to the upper surface of the bottom plate (1), the centrifugal fan (3) is connected to the upper surface of the bottom plate (1), the motor (4) is connected to the chassis (2), the bearing seat (5) is arranged on the outer surface of the centrifugal fan (3), one end of the shaft lever (6) is connected with the centrifugal fan (3), the shaft lever (6) is sleeved in the bearing seat (5) in a bearing way, the driving wheel (7) is fixedly sleeved at the output end of the motor (4), and the driven wheel (8) is fixedly sleeved at the other end of the shaft lever (6), the belt (9) is sleeved between the driving wheel (7) and the driven wheel (8), a supporting mechanism is arranged between the bearing seat (5) and the bottom plate (1), and a noise reduction mechanism is arranged on the lower surface of the bottom plate (1);

the supporting mechanism mainly comprises: the device comprises a U-shaped frame (10), a support plate (11), a rectangular block (12), a bearing (13), a threaded sleeve (14) and a screw (15);

the U-shaped frame (10) is connected to the upper surface of the bottom plate (1), the supporting plates (11) are connected between the U-shaped frames (10), the rectangular blocks (12) are connected to the lower surface of the supporting plates (11), the bearings (13) are fixedly embedded in the rectangular blocks (12), the threaded sleeves (14) are fixedly sleeved in the bearings (13), and the lower ends of the screw rods (15) are connected to the U-shaped frames (10);

the noise reduction mechanism mainly comprises: a semicircular block (16), a concave block (17) and a noise reduction pad (18);

the semicircular block (16) is connected to two opposite ends of the lower surface of the bottom plate (1), the concave block (17) is arranged at the lower end of the semicircular block (16), and the noise reduction pad (18) is connected to the inside of the concave block (17).

2. An energy-saving industrial centrifugal fan as claimed in claim 1, wherein the U-shaped frame (10) is provided with an elongated slot (19), and the support plate (11) and the U-shaped frame (10) are connected by bolts.

3. An energy-saving industrial centrifugal fan according to claim 1, wherein the connection mode between the semicircular block (16) and the bottom plate (1) is bolt connection.

4. An industrial energy saving centrifugal fan according to claim 1 wherein the screw (15) is threaded into the threaded sleeve (14).

5. The industrial energy-saving centrifugal ventilator according to claim 1, wherein the noise reduction pad (18) and the concave block (17) are connected by means of adhesion.