CN209908861U - Thermal power plant fan vibration/noise reduction device - Google Patents
Thermal power plant fan vibration/noise reduction device Download PDFInfo
- Publication number
- CN209908861U CN209908861U CN201920765986.XU CN201920765986U CN209908861U CN 209908861 U CN209908861 U CN 209908861U CN 201920765986 U CN201920765986 U CN 201920765986U CN 209908861 U CN209908861 U CN 209908861U
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- fixed
- sound
- bottom plate
- air outlet
- outlet pipe
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Abstract
The utility model discloses a fan vibration/noise reduction device of thermal power plant relates to vibration/noise reduction device technical field. It comprises a bottom plate; a supporting seat is fixed in the middle of the right side of the upper end of the bottom plate; a sound-proof shield covers the supporting seat; a rubber pad is fixed on the lower end face of the sound-proof shield; the lower parts of the front side and the rear side of the sound-proof shield are respectively fixed with a connecting plate; a sealing strip is fixed on the left end face of the sound-proof housing; a mounting pad is fixed in the middle of the left side of the upper end of the bottom plate; a base is fixed on the rear side of the left part of the upper end of the bottom plate; the upper part of the base is in threaded connection with a threaded rod; a rubber block is fixed at the front end of the threaded rod; an air outlet pipe is connected with the front side and the rear side of the left part of the upper end of the bottom plate in a sliding manner; sound-absorbing cotton is fixed on the inner wall of the air outlet pipe; a guide plate is fixed at the upper end of the bottom plate on the left side of the air outlet pipe; the guide plate is connected with a positioning block in a sliding way. The utility model has the advantages that: the fan is subjected to sound insulation, shock absorption and noise reduction, and the effect is better.
Description
Technical Field
The utility model relates to a vibration/noise reduction device technical field.
Background
In a thermal power plant, a fan is often used to supply air or exhaust air. The fan generally includes driving motor, impeller and impeller casing etc. in operation, driving motor easily produces vibration and noise etc. and influence operational environment. The impeller casing belongs to the amplification end of vibration, and a general vibration and noise reduction device only processes the part of a driving motor, neglects the positioning, the vibration reduction and the like of the casing.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the technique that exists is not enough to the aforesaid, provides a fan vibration/noise reduction device of thermal power plant. The fan is subjected to sound insulation, shock absorption and noise reduction, and the effect is better.
The utility model adopts the technical proposal that: the utility model provides a thermal power plant fan damping and noise reducing device, which comprises a bottom plate; a supporting seat is fixed in the middle of the right side of the upper end of the bottom plate; threaded holes are respectively formed in the front side and the rear side of the right part of the upper end of the bottom plate on the front side and the rear side of the supporting seat; a sound-proof shield covers the supporting seat; the left end and the lower end of the sound-proof shield are both provided with openings; a rubber pad is fixed on the lower end face of the sound-proof shield; the lower parts of the front side and the rear side of the sound-proof shield are respectively fixed with a connecting plate; the position of the connecting plate corresponds to the threaded hole; a through groove is formed on the connecting plate; the connecting plate is fixedly connected with the threaded hole by virtue of a connecting bolt; a sealing strip is fixed on the left end face of the sound-proof housing; a mounting pad is fixed in the middle of the left side of the upper end of the bottom plate; a base is fixed on the rear side of the left part of the upper end of the bottom plate; the upper part of the base is in threaded connection with a threaded rod; a rubber block is fixed at the front end of the threaded rod; an air outlet pipe is connected with the front side and the rear side of the left part of the upper end of the bottom plate in a sliding manner; the front end and the rear end of the air outlet pipe are provided with flange plates; sound-absorbing cotton is fixed on the inner wall of the air outlet pipe; a guide plate is fixed at the upper end of the bottom plate on the left side of the air outlet pipe; the guide plate is connected with a positioning block in a sliding way; the left side of the positioning block is in threaded connection with a positioning bolt; the right side of the positioning block is fixedly connected with the left side of the air outlet pipe.
Further optimizing the technical scheme, an observation window is arranged on the right side of a sound-proof housing of the thermal power plant fan damping and noise reducing device; and sound insulation glass is arranged in the observation window.
Further optimize this technical scheme, the mounting pad of fan vibration/noise reduction device of thermal power plant is the rubber material.
Further optimize this technical scheme, four angles of the bottom plate of fan vibration/noise reduction device of thermal power plant open the through-hole respectively.
The utility model has the advantages that:
1. utilize the sound-proof housing to surround the driving motor of fan, play syllable-dividing effect, easy dismounting, inside persists the space big. The sound-proof housing, the threaded rod and the air outlet pipe simultaneously support and fix the impeller shell, the positioning is stable, the vibration amplitude is reduced, the vibration absorption and shock absorption effects can be achieved, and the overall vibration and noise are reduced. The air outlet pipe is connected with an air outlet of the fan, and noise reduction effect can be achieved on noise generated by outlet air by using the sound-absorbing cotton on the inner wall;
2. the arrangement of the observation window is convenient for observing the working condition of the driving motor in the sound-proof housing, and the sound-proof effect of the sound-proof glass is better;
3. the mounting pad elastically supports the lower part of the impeller shell, and can play a role in damping and reducing noise;
4. the bottom plate through holes are arranged to facilitate fixing of the bottom plate.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic structural view of the present invention (with the soundproof cover removed);
fig. 4 is a schematic view of the split structure of the air outlet pipe of the present invention;
FIG. 5 is a schematic structural view of the sound-proof housing of the present invention;
in the figure, 1, a bottom plate; 2. a supporting seat; 3. a threaded hole; 4. a sound-proof housing; 5. a rubber pad; 6. a connecting plate; 7. a through groove; 8. a connecting bolt; 9. a sealing strip; 10. a mounting mat; 11. a base; 12. a threaded rod; 13. a rubber block; 14. an air outlet pipe; 15. a flange plate; 16. sound-absorbing cotton; 17. a guide plate; 18. positioning blocks; 19. positioning the bolt; 20. an observation window; 21. sound-proof glass; 22. a through hole; 23. a drive motor; 24. an impeller casing.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-5, the thermal power plant fan damping and noise reducing device comprises a bottom plate 1; a supporting seat 2 is fixed in the middle of the right side of the upper end of the bottom plate 1; threaded holes 3 are respectively formed in the front side and the rear side of the right part of the upper end of the bottom plate 1 on the front side and the rear side of the supporting seat 2; a sound-proof shield 4 covers the supporting seat 2; the left end and the lower end of the sound-proof shield 4 are both open; a rubber pad 5 is fixed on the lower end face of the sound-proof shield 4; the lower parts of the front side and the rear side of the sound-proof shield 4 are respectively fixed with a connecting plate 6; the connecting plate 6 corresponds to the threaded hole 3 in position; a through groove 7 is formed on the connecting plate 6; the connecting plate 6 is fixedly connected with the threaded hole 3 by a connecting bolt 8; a sealing strip 9 is fixed on the left end face of the sound-proof cover 4; a mounting pad 10 is fixed in the middle of the left side of the upper end of the bottom plate 1; a base 11 is fixed on the rear side of the left part of the upper end of the bottom plate 1; the upper part of the base 11 is connected with a threaded rod 12 in a threaded manner; a rubber block 13 is fixed at the front end of the threaded rod 12; an air outlet pipe 14 is connected with the front and the back of the front side of the left part at the upper end of the bottom plate 1 in a sliding way; the front end and the rear end of the air outlet pipe 14 are provided with flange plates 15; sound-absorbing cotton 16 is fixed on the inner wall of the air outlet pipe 14; a guide plate 17 is fixed at the upper end of the bottom plate 1 at the left side of the air outlet pipe 14; a positioning block 18 is connected on the guide plate 17 in a sliding way; a positioning bolt 19 is connected to the left side of the positioning block 18 through threads; the right side of the positioning block 18 is fixedly connected with the left side of the air outlet pipe 14; an observation window 20 is arranged on the right side of the sound-proof cover 4; sound insulation glass 21 is arranged in the observation window 20; the mounting pad 10 is made of rubber; through holes 22 are respectively arranged at four corners of the bottom plate 1.
The utility model discloses when using, the fan includes driving motor 23 and impeller casing 24, driving motor 23 fixed mounting of fan is in 2 upper ends of supporting seat, the fan has been fixed this moment, impeller casing 24 downside and mounting pad 10 contact, sound-proof housing 4 on driving motor 23 dustcoat, utilize and utilize connecting bolt 8 to fix on bottom plate 1, connecting bolt 8 passes logical groove 7 on the connecting plate 6 and fixes with 3 threaded connection of the screw hole on the bottom plate 1, there is the slip space about logical groove 7 on the connecting plate 6, sound-proof housing 4 can carry out horizontal slip regulation, make the sealing strip 9 and the 24 right-hand member face extrusion of impeller casing of 4 left ends of sound-proof housing contact, then the lower extreme and the left end opening of sound-proof housing 4 are all sealed, realize better sealed syllable-dividing effect. The threaded rod 12 is rotated to enable the rubber block 13 to be in extrusion contact with the rear side face of the impeller shell 24, the supporting, positioning, shock absorption and shock absorption effects are achieved, the sliding air outlet pipe 14 is in butt joint with an air outlet of the impeller shell 24 and is connected through the flange plate 15, a gasket and the like can be added in front of the sliding air outlet pipe and the impeller shell, the positioning bolt 19 is used for positioning on the guide plate 17, the impeller shell 24 is positioned, and air outlet noise is reduced.
The soundproof cover 4 is made of a soundproof material, and may have a rectangular parallelepiped shape, and the soundproof cover 16, the soundproof material, and the soundproof glass 21 are disclosed in the art.
The installation of the driving motor 23 on the supporting seat 2 is a conventional means, and the upper end of the supporting seat 2 can be connected with a mounting hole and the like in advance.
The bottom plate 1 can be made of iron plate, etc., and is fixedly installed on the installation plane position such as the bottom surface.
The rubber pad 5, the sealing strip 9, the mounting pad 10, the rubber block 13 and the like can be made of high-temperature resistant rubber materials.
Claims (4)
1. The utility model provides a fan vibration/noise reduction device of thermal power plant which characterized in that: comprises a bottom plate (1); a supporting seat (2) is fixed in the middle of the right side of the upper end of the bottom plate (1); threaded holes (3) are respectively formed in the front side and the rear side of the right part of the upper end of the bottom plate (1) on the front side and the rear side of the supporting seat (2); a sound-proof shield (4) is covered on the supporting seat (2); the left end and the lower end of the sound-proof shield (4) are both provided with openings; a rubber pad (5) is fixed on the lower end surface of the sound-proof shield (4); the lower parts of the front side and the rear side of the sound-proof cover (4) are respectively fixed with a connecting plate (6); the position of the connecting plate (6) corresponds to the threaded hole (3); a through groove (7) is formed on the connecting plate (6); the connecting plate (6) is fixedly connected with the threaded hole (3) by a connecting bolt (8); a sealing strip (9) is fixed on the left end surface of the sound-proof cover (4); a mounting pad (10) is fixed in the middle of the left side of the upper end of the bottom plate (1); a base (11) is fixed on the rear side of the left part of the upper end of the bottom plate (1); the upper part of the base (11) is in threaded connection with a threaded rod (12); a rubber block (13) is fixed at the front end of the threaded rod (12); an air outlet pipe (14) is connected with the front and the back of the front side of the left part of the upper end of the bottom plate (1) in a sliding way; the front end and the rear end of the air outlet pipe (14) are provided with flange plates (15); sound-absorbing cotton (16) is fixed on the inner wall of the air outlet pipe (14); a guide plate (17) is fixed at the upper end of the bottom plate (1) on the left side of the air outlet pipe (14); a positioning block (18) is connected on the guide plate (17) in a sliding way; a positioning bolt (19) is connected with the left side of the positioning block (18) in a threaded manner; the right side of the positioning block (18) is fixedly connected with the left side of the air outlet pipe (14).
2. The thermal power plant fan vibration/noise reduction device of claim 1, wherein: an observation window (20) is arranged on the right side of the sound-proof cover (4); a sound insulation glass (21) is installed in the observation window (20).
3. The thermal power plant fan vibration/noise reduction device of claim 1, wherein: the mounting pad (10) is made of rubber.
4. The thermal power plant fan vibration/noise reduction device of claim 1, wherein: through holes (22) are respectively arranged at four corners of the bottom plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920765986.XU CN209908861U (en) | 2019-05-24 | 2019-05-24 | Thermal power plant fan vibration/noise reduction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920765986.XU CN209908861U (en) | 2019-05-24 | 2019-05-24 | Thermal power plant fan vibration/noise reduction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209908861U true CN209908861U (en) | 2020-01-07 |
Family
ID=69049050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920765986.XU Expired - Fee Related CN209908861U (en) | 2019-05-24 | 2019-05-24 | Thermal power plant fan vibration/noise reduction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209908861U (en) |
-
2019
- 2019-05-24 CN CN201920765986.XU patent/CN209908861U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200107 Termination date: 20200524 |
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| CF01 | Termination of patent right due to non-payment of annual fee |