CN219711896U - Fixing device that falls of air-blower - Google Patents
Fixing device that falls of air-blower Download PDFInfo
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- CN219711896U CN219711896U CN202321207861.8U CN202321207861U CN219711896U CN 219711896 U CN219711896 U CN 219711896U CN 202321207861 U CN202321207861 U CN 202321207861U CN 219711896 U CN219711896 U CN 219711896U
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- motor
- fan
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- bottom plate
- support rod
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- 230000000087 stabilizing effect Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 6
- 230000002093 peripheral effect Effects 0.000 abstract description 2
- 230000035939 shock Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract 1
- 230000003014 reinforcing effect Effects 0.000 description 4
- 210000001503 joint Anatomy 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000005273 aeration Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a noise reduction fixing device of a blower, which comprises a base, wherein a motor and a centrifugal fan are arranged on the base, an output shaft of the motor is connected with a rotating shaft of the centrifugal fan, a shell of the motor is connected with a shell of the centrifugal fan, the base comprises a bottom plate which is horizontally arranged, and at least three fixing support blocks are arranged on the lower surface of the bottom plate; a motor support rod and a fan support rod are vertically arranged on the upper surface of the bottom plate, the upper end of the motor support rod is connected with a motor bracket, and the motor bracket is connected with a shell of the motor; the upper end fixedly connected with fan supporting shoe of fan branch, this fan supporting shoe is connected with centrifugal fan's shell. The utility model has the remarkable effects that the contact area of the motor/fan and the base is reduced, the installation area of the base is reduced, the shock pad is additionally arranged, the transmission of the motor/fan to the base is reduced, meanwhile, the transmission mode of the base to the foundation is reduced, the vibration of the blower is prevented from being transmitted to a large amount of peripheral areas, and the vibration noise is reduced.
Description
Technical Field
The utility model relates to installation and fixation of industrial equipment, in particular to a shock-absorbing and noise-reducing installation structure of a blower.
Background
The blower is a common device in industrial production, such as a common centrifugal blower for sewage plants for aeration operation. There are many causes of noise generation in the blower, for example, noise of a bearing and a motor member when a blade rotates, noise of a vortex generated when a gas flows, electromagnetic noise, vibration noise, and the like. With the deepening of noise hazard awareness in recent years, various treatment modes are adopted in workshops for noise affecting production and life, and a common mode is to add a protective cover which can isolate fan noise to a large extent.
When the blower is installed in early years, the blower is usually fixedly installed on a wide base based on the consideration of the stability of the blower, and the contact area between the blower and the base and between the base and the foundation is large; this also results in loud vibration noise of the fan, which can be transmitted to nearby areas through the foundation and the wall, and cannot be isolated by adding a protective cover.
Disclosure of Invention
In view of the above, the present utility model provides a noise reduction installation and fixing device for treating vibration noise of a blower, which reduces vibration noise of a nearby area by reducing transmission of vibration noise of the blower to a foundation, and adopts the following main technical scheme:
the utility model provides a fixing device that falls of air-blower, includes the base, is equipped with motor and centrifugal fan on this base, the output shaft of motor with centrifugal fan's pivot is connected, the casing of motor with centrifugal fan's casing is connected, its key lies in: the base comprises a bottom plate which is horizontally arranged, and at least three fixed supporting blocks are arranged on the lower surface of the bottom plate;
a motor support rod and a fan support rod are vertically arranged on the upper surface of the bottom plate, and the lower ends of the motor support rod and the fan support rod are respectively fixed on the upper surface of the bottom plate;
the upper end of the motor support rod is connected with a motor support, and the motor support is connected with the shell of the motor;
the upper end fixedly connected with fan supporting block of fan branch, this fan supporting block with centrifugal fan's shell is connected.
In the scheme, the transmission of the vibration of the fan to the base is reduced in a mode of reducing the contact area, the installation area of the base is reduced, and the transmission of vibration noise can be further reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a left side view of FIG. 1;
fig. 3 is a schematic view of the structure of fig. 2 with the motor bracket 4 removed;
fig. 4 is a right side view of fig. 1.
Detailed Description
The utility model is further described below with reference to examples and figures.
As shown in fig. 1, 2, 3 and 4, a noise reduction fixing device for a blower comprises a base 1, wherein a motor 2 and a centrifugal fan 3 are arranged on the base 1, an output shaft of the motor 2 is connected with a rotating shaft of the centrifugal fan 3, and a shell of the motor 2 is connected with a shell of the centrifugal fan 3.
In a preferred embodiment, the base 1 comprises a bottom plate 11 horizontally arranged, and at least three fixed supporting blocks 12 are arranged on the lower surface of the bottom plate 11; more preferably, the fixed supporting blocks 12 are fixedly provided at the four corners of the bottom plate 11, respectively.
A motor support rod a and a fan support rod b are vertically arranged on the upper surface of the bottom plate 11, and the lower ends of the motor support rod a and the fan support rod b are respectively fixed on the upper surface of the bottom plate 11;
the upper end of the motor support rod a is connected with a motor support 4, and the motor support 4 is connected with the shell of the motor 2;
the upper end of the fan supporting rod b is fixedly connected with a fan supporting block 5, and the fan supporting block 5 is connected with the shell of the centrifugal fan 3.
The specific embodiment of the motor bracket 4 is as follows: the motor comprises a lower anchor ear 41 and an upper anchor ear 42, wherein the lower anchor ear 41 and the upper anchor ear 42 encircle the shell of the motor 2, the lower anchor ear 41 and the upper anchor ear 42 are connected through bolts, and the lower anchor ear 41 is fixedly connected with the upper end of a motor support rod a. The inner arc surfaces of the lower anchor ear 41 and the upper anchor ear 42 are respectively provided with a damping cushion, such as a rubber cushion.
The upper end face of the fan supporting block 5 is arc-shaped, and the upper end face of the fan supporting block 5 is tightly attached to the outer wall of the volute of the centrifugal fan 3.
A circular motor connecting disc 31 is arranged on one side of the centrifugal fan 3, which is opposite to the air inlet of the centrifugal fan, and a shell of the motor 2 is fixed with the motor connecting disc 31;
two fan stabilizing plates 6 are fixedly arranged on the motor connecting disc 31, the two fan stabilizing plates 6 are respectively arranged on two sides of the motor 2, and the fan stabilizing plates 6 are connected with the bottom plate 11 through at least two cushion blocks 7.
The fan stabilizing plate 6 comprises a vertically arranged attaching plate which is attached to the motor connecting disc 31 and is fixedly connected through bolts, and a damping cushion, such as a rubber cushion, is also arranged between the motor connecting disc 31 and the attaching plate;
the fan stabilizing plate 6 further comprises a reinforcing rib plate which is vertically arranged, the reinforcing rib plate is perpendicular to the attaching plate, the lower portion of the reinforcing rib plate extends gradually away from the direction of the motor connecting disc 31, the lower edge of the reinforcing rib plate is horizontally folded to form a horizontal butt joint plate, the fan stabilizing plate 6 is connected with the bottom plate 11 through the horizontal butt joint plate, and the cushion block 7 is also located between the horizontal butt joint plate and the bottom plate 11.
In order to further reduce vibration noise, the base plate 11 includes two horizontal rigid plates and a rubber gasket interposed between the two rigid plates, and the two rigid plates are fastened by a plurality of rivets. The bottom plate 11 may be a whole plate or a frame structure formed by splicing a plurality of strips.
In a more specific embodiment, the bottom plate 11 is rectangular, and a base fixing hole vertically penetrates through the fixing support block 12 and the bottom plate 11 at a corresponding position.
The beneficial effects are that: by adopting the technical scheme of the utility model, the contact area of the motor/fan and the base is reduced, the installation area of the base is reduced, the shock pad is additionally arranged, the transmission of the motor/fan to the base is reduced, meanwhile, the transmission mode of the base to the foundation is reduced, the vibration of the blower is prevented from being transmitted to a large amount of peripheral areas, and the vibration noise is reduced.
Finally, it should be noted that the above description is only a preferred embodiment of the present utility model, and that many similar changes can be made by those skilled in the art without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (6)
1. The utility model provides a fixing device that falls of air-blower, includes base (1), is equipped with motor (2) and centrifugal fan (3) on this base (1), the output shaft of motor (2) with the pivot of centrifugal fan (3) is connected, the casing of motor (2) with the casing of centrifugal fan (3) is connected, its characterized in that: the base (1) comprises a bottom plate (11) which is horizontally arranged, and at least three fixed supporting blocks (12) are arranged on the lower surface of the bottom plate (11);
a motor support rod (a) and a fan support rod (b) are vertically arranged on the upper surface of the bottom plate (11), and the lower ends of the motor support rod (a) and the fan support rod (b) are respectively fixed on the upper surface of the bottom plate (11);
the upper end of the motor support rod (a) is connected with a motor support (4), and the motor support (4) is connected with the shell of the motor (2);
the upper end of the fan supporting rod (b) is fixedly connected with a fan supporting block (5), and the fan supporting block (5) is connected with the shell of the centrifugal fan (3).
2. A blower noise reduction fixture as defined in claim 1, wherein: the motor support (4) comprises a lower anchor ear (41) and an upper anchor ear (42), wherein the lower anchor ear (41) and the upper anchor ear (42) encircle the shell of the motor (2) and are tightly held, and the lower anchor ear (41) is fixedly connected with the upper end of the motor support rod (a).
3. A blower noise reduction fixture as defined in claim 1, wherein: the upper end face of the fan supporting block (5) is arc-shaped, and the upper end face of the fan supporting block (5) is tightly attached to the outer wall of the volute of the centrifugal fan (3).
4. A blower noise reduction fixture as defined in claim 1, wherein: a circular motor connecting disc (31) is arranged on one side, facing away from the air inlet of the centrifugal fan (3), of the centrifugal fan, and a shell of the motor (2) is fixed with the motor connecting disc (31);
two fan stabilizing plates (6) are fixedly arranged on the motor connecting disc (31), the two fan stabilizing plates (6) are respectively arranged on two sides of the motor (2), and the fan stabilizing plates (6) are connected with the bottom plate (11) through at least two cushion blocks (7).
5. A blower noise reduction fixture as defined in claim 1, 2, 3 or 4, wherein: the bottom plate (11) comprises two horizontal rigid plates and a rubber gasket clamped between the two rigid plates, and the two rigid plates are connected and tensioned through a plurality of rivets.
6. A blower noise reduction fixture as defined in claim 1, 2, 3 or 4, wherein: the base plate (11) is rectangular, the fixed supporting blocks (12) are respectively and fixedly arranged at four corners of the base plate (11), and base fixing holes vertically penetrate through the fixed supporting blocks (12) and the base plate (11) at corresponding positions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321207861.8U CN219711896U (en) | 2023-05-18 | 2023-05-18 | Fixing device that falls of air-blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321207861.8U CN219711896U (en) | 2023-05-18 | 2023-05-18 | Fixing device that falls of air-blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219711896U true CN219711896U (en) | 2023-09-19 |
Family
ID=87983172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321207861.8U Active CN219711896U (en) | 2023-05-18 | 2023-05-18 | Fixing device that falls of air-blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219711896U (en) |
-
2023
- 2023-05-18 CN CN202321207861.8U patent/CN219711896U/en active Active
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