CN208380988U - A kind of booster silencing means - Google Patents
A kind of booster silencing means Download PDFInfo
- Publication number
- CN208380988U CN208380988U CN201821123807.4U CN201821123807U CN208380988U CN 208380988 U CN208380988 U CN 208380988U CN 201821123807 U CN201821123807 U CN 201821123807U CN 208380988 U CN208380988 U CN 208380988U
- Authority
- CN
- China
- Prior art keywords
- silencing means
- booster
- casing part
- inner panel
- outside plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of booster silencing means, and a silencing means is respectively fixedly mounted at the air inlet and air outlet of the ventilation blower of mine roof；Silencing means includes the casing part I and air deflector that section is annular surface, and by outside plate I and thereon, the inner panel I of hole is welded casing part I, and quieter material is filled between outside plate I and inner panel I；Air deflector includes casing part II and the position hollow cylinder in the inner that section is annular surface；Casing part II is welded by the outside plate II and inner panel II of equal hole thereon, and quieter material is filled between outside plate II and inner panel II；Cylinder is equipped with hole, is filled with quieter material in cylinder；Cylinder is welded together by each cross in front and back end with casing part II, and the top of cross is welded on again on inner panel I, so that air deflector is fixed together with casing part I.The utility model effectively reduces the noise of ventilation blower.
Description
Technical field
The utility model belongs to pit gear field, and in particular to a kind of booster silencing means.
Background technique
The generation of methane gas is had in coal in China collection process, in coal mine, if cannot carry out suitably to mine hole
Ventilation, can cause unexpectedly to occur, there is certain threat to people's life security and property safety, mine ventilator is axis circulation
One kind of blower, because its use industry and application place particularity, and in performance parameter and overall dimensions with general axis
The larger difference of circulation wind, does one kind so being separately separated out to return, and is mainly used in mine ventilation use.
In existing, underground forced booster, do not install silencing means additional, noise when operating >=
100 dB(A).Excessively high noise can seriously affect the normal work of mine worker.
Therefore, it is necessary to design a kind of ventilation blower for being equipped with silencing means.
Summary of the invention
It is insufficient according to prior art, a kind of booster silencing means is provided, to solve to exist in background technique
The big problem of noise.
The utility model is realized by following technical scheme:
A kind of booster silencing means is respectively fixedly mounted at the air inlet and air outlet of the ventilation blower of mine roof
One silencing means；The silencing means include section be annular surface casing part I and air deflector, the casing part I by
The inner panel I of outside plate I and thereon hole is welded, and quieter material is filled between outside plate I and inner panel I；The air deflector
Including casing part II and the position hollow cylinder in the inner that section is annular surface；The casing part II by there is hole thereon
The outside plate II and inner panel II in hole are welded, and quieter material is filled between outside plate II and inner panel II；The cylinder is equipped with
Hole, cylinder is interior to be filled with quieter material；The cylinder passes through each cross in front and back end or tripod and casing part
II welds together, and the top of cross or tripod is welded on again on inner panel I, so that air deflector and casing part I are fixed
Together.
Preferably, the quieter material is made of acoustical cotton and glass fabric.
Preferably, noise reduction damping glue is coated on the inside and outside wall of the outside plate I.
Preferably, the material of the outside plate I is cold-rolled steel sheet, and I material of inner panel is zinc-plated perforated plate.
Preferably, the casing part II and cylinder material are zinc-plated perforated plate.
Preferably, the air inlet and air outlet of the silencing means and ventilation blower pass through ring flange, gasket and bolt phase
Cooperation tightens together.
Preferably, the ventilation blower includes cabinet and fire-proof motor；The fire-proof motor bottom is located at cabinet by cushion block
In, and be connected by fixed frame with cabinet, impeller is fixedly installed in the rotation axis of the fire-proof motor.
Preferably, power switch is installed on the cabinet, to start and stop fire-proof motor.
Preferably, the cabinet is equipped with priming cup, to lubricate impeller.
Preferably, multiple hooks are installed on the cabinet, to be suspended at the roof of mine.
The utility model the utility model has the advantages that
Fan noise generating source is mainly vibration and the wind eddies stream of motor and impeller, and air deflector can be reduced wind eddies miscarriage life
Noise；It vibrates the noise generated a part when passing through silencing means to be absorbed by sound-absorbing material and noise reduction damping glue, remaining warp
Silencing means channel spreads out the superposition for alleviating noise after elongating；By the way that priming cup is arranged, impeller can be lubricated, one
Determine that noise can be reduced in degree.
It is measured by field test, noise≤85 dB (A) when enabling to operate by former and later two silencing means have
Effect improves mine worker's working efficiency.
Detailed description of the invention
Fig. 1 is the agent structure schematic diagram of the utility model；
Fig. 2 is the main body schematic cross-sectional view of the utility model；
Fig. 3 is the silencing means Section A-A schematic diagram of the utility model.
In figure: 1- casing part I, 2- quieter material, 3- casing part II, 4- cylinder, 5- cross, 6- ring flange, 7-
Cabinet, 8- fire-proof motor, 9- cushion block, 10- fixed frame, 11- rotation axis, 12- impeller, 13- power switch, 14- priming cup, 15-
Hook, 100- ventilation blower, 200- silencing means.
Specific embodiment
Below in conjunction with attached drawing, the utility model is further described by specific embodiment.
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of booster silencing means, in the air inlet of the ventilation blower 100 of mine roof
A silencing means 200 is respectively fixedly mounted at mouth and air outlet；The air inlet and air outlet of silencing means 200 and ventilation blower 100
It is matched and is tightened together by ring flange 6, gasket and bolt.
Silencing means 200 includes the casing part I 1 and air deflector that section is annular surface, and casing part I 1 is by outside plate I and its
The inner panel I of upper hole is welded, and quieter material 2 is filled between outside plate I and inner panel I；The diameter of outside plate I about 860mm,
1.5 meters are about, I diameter of inner panel is 600mm；Air deflector include section be annular surface casing part II 3 and position in the inner in
Empty cylinder 4；Casing part II 3 is welded by the outside plate II and inner panel II of equal hole thereon, in outside plate II and inner panel II
Between be filled with quieter material 2；Cylinder 4 is equipped with hole, is filled with quieter material 2 in cylinder 4；Cylinder 4 is each by front and back end
One cross 5 top that perhaps tripod welds together cross 5 or tripod with casing part II 3 is welded on again
On inner panel I, so that air deflector is fixed together with casing part I 1.
Further, quieter material 2 is made of acoustical cotton and glass fabric.It is coated with and disappears on the inside and outside wall of outside plate I
Sound damping glue.The material of outside plate I is cold-rolled steel sheet, and I material of inner panel is zinc-plated perforated plate.Casing part II 3 and 4 material of cylinder are equal
For zinc-plated perforated plate.
With continued reference to shown in Fig. 1, Fig. 2, Fig. 3, ventilation blower 100 includes cabinet 7 and fire-proof motor 8；8 bottom of fire-proof motor is logical
It crosses cushion block 9 to be located in cabinet 7, and is connected by fixed frame 10 with cabinet 7, is fixedly installed in the rotation axis 11 of fire-proof motor 8
Impeller 12.Power switch 13 is installed, to start and stop fire-proof motor 8 on cabinet 7.
Further, cabinet 7 is equipped with priming cup 14, to lubricate impeller 12.Multiple hooks 15 are installed on cabinet 7,
To be suspended at the roof of mine.
The course of work and noise reduction principle:
Mine worker passes through ring flange 6, gasket and bolt first and the silencing means 200 of left and right is fixed on ventilation blower
Ventilation blower with silencing means is suspended on mine roof by chain and 15 cooperation of hook by 100 air inlet and air outlet
On, fire-proof motor 8, the rotation of 8 impeller 12 of fire-proof motor are opened by power switch 13.
Fan noise generating source is mainly vibration and the wind eddies stream of motor and impeller, and air deflector can be reduced wind eddies miscarriage life
Noise；It vibrates the noise generated a part when passing through silencing means to be absorbed by sound-absorbing material and noise reduction damping glue, remaining warp
Silencing means channel spreads out the superposition for alleviating noise after elongating.
It is measured by field test, noise≤85 dB (A) when enabling to operate by former and later two silencing means have
Effect improves mine worker's working efficiency.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (10)
1. a kind of booster silencing means, it is characterised in that: at the air inlet and air outlet of the ventilation blower of mine roof
A silencing means is respectively fixedly mounted；
The silencing means includes the casing part I and air deflector that section is annular surface, and the casing part I is by outside plate I and its
The inner panel I of upper hole is welded, and quieter material is filled between outside plate I and inner panel I；
The air deflector includes casing part II and the position hollow cylinder in the inner that section is annular surface；
The casing part II is welded by the outside plate II and inner panel II of equal hole thereon, between outside plate II and inner panel II
Filled with quieter material；
The cylinder is equipped with hole, is filled with quieter material in cylinder；
The cylinder by each cross in front and back end perhaps tripod and casing part II weld together cross or
The top of tripod is welded on again on inner panel I, so that air deflector is fixed together with casing part I.
2. a kind of booster silencing means according to claim 1, it is characterised in that: the quieter material is by sound-absorbing
Cotton and glass fabric composition.
3. a kind of booster silencing means according to claim 1, it is characterised in that: inside and outside the outside plate I
Noise reduction damping glue is coated on wall.
4. a kind of booster silencing means according to claim 1, it is characterised in that: the material of the outside plate I is
Cold-rolled steel sheet, I material of inner panel are zinc-plated perforated plate.
5. a kind of booster silencing means according to claim 1, it is characterised in that: the casing part II and circle
Column material is zinc-plated perforated plate.
6. a kind of booster silencing means according to claim 1, it is characterised in that: the silencing means and ventilation
The air inlet and air outlet of machine are matched by ring flange, gasket and bolt to tighten together.
7. a kind of booster silencing means according to claim 1, it is characterised in that: the ventilation blower includes cabinet
And fire-proof motor；
The fire-proof motor bottom is located in cabinet by cushion block, and is connected by fixed frame with cabinet, the fire-proof motor
Impeller is fixedly installed in rotation axis.
8. a kind of booster silencing means according to claim 7, it is characterised in that: be equipped with electricity on the cabinet
Source switch, to start and stop fire-proof motor.
9. a kind of booster silencing means according to claim 7, it is characterised in that: the cabinet is equipped with oiling
Cup, to lubricate impeller.
10. a kind of booster silencing means according to claim 7, it is characterised in that: be equipped on the cabinet
Multiple hooks, to be suspended at the roof of mine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821123807.4U CN208380988U (en) | 2018-07-16 | 2018-07-16 | A kind of booster silencing means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821123807.4U CN208380988U (en) | 2018-07-16 | 2018-07-16 | A kind of booster silencing means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208380988U true CN208380988U (en) | 2019-01-15 |
Family
ID=64962790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821123807.4U Expired - Fee Related CN208380988U (en) | 2018-07-16 | 2018-07-16 | A kind of booster silencing means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208380988U (en) |
-
2018
- 2018-07-16 CN CN201821123807.4U patent/CN208380988U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190115 Termination date: 20190716 |