CN209100301U - A kind of deduster negative-pressure air fan driving structure - Google Patents
A kind of deduster negative-pressure air fan driving structure Download PDFInfo
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- CN209100301U CN209100301U CN201821401733.6U CN201821401733U CN209100301U CN 209100301 U CN209100301 U CN 209100301U CN 201821401733 U CN201821401733 U CN 201821401733U CN 209100301 U CN209100301 U CN 209100301U
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- negative
- pressure air
- air fan
- bellows
- drive shaft
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Abstract
A kind of deduster negative-pressure air fan driving structure disclosed by the utility model, including pedestal, the bellows being set on the base and the negative-pressure air fan being arranged in bellows, drive shaft is provided on negative-pressure air fan, drive shaft is set on the base by bearing block, air inlet and air outlet are provided on bellows, it further include variable-frequency motor, the variable-frequency motor is directly connect with the shaft of negative-pressure air fan by shaft coupling.The utility model adds shaft coupling instead of the technical solution of ordinary motor liquid feeding mechanical couple in the prior art by variable-frequency motor, become and the acquisition cost of equipment greatly reduces, saves the costs such as electric power, transmission oil, while improving the operational efficiency of negative-pressure air fan.
Description
Technical field
The utility model relates to bag filter blower technical fields more particularly to a kind of deduster negative-pressure air fan to drive
Structure.
Background technique
Bag filter is a kind of cleaner being in daily use, in order to realize the flowing of bag filter inner air, wind
Machine is essential device, and caused by blower negative pressure drives air to flow, and realizes the process of entire dedusting.
As shown in Figure 1, in the prior art, the fan mechanism for bag filter includes bellows 1-1, fluid coupling
1-2 and motor 1-3, motor 1-3 by first rotating shaft 1-4 with the right side of fluid coupling 1-2 by being connect, fluid coupling
The left side of 1-2 is connected with negative-pressure air fan 1-6 by the second shaft 1-5, and negative-pressure air fan 1-6 is arranged in above-mentioned bellows 1-1, bellows
Air inlet 1-7 and air outlet 1-8 are provided on 2-1, the second shaft 1-5 is arranged on bearing block 1-9.
In the above technical solution, motor 1-3 is common high-power driving motor, in order to reduce the damage to whole device
Consumption, prolongs the service life, and needs to use fluid coupling 1-2 to realize flexible starting and work, but fluid coupling 1-2 is not
Only equipment acquisition cost is high, and power consumption is big, and need it is frequent change oil, environment protecting is bad, and then leads to negative pressure wind
Machine 1-6 operational efficiency is low, produces many additional expenditures.
Utility model content
The purpose of this utility model is that providing a kind of deduster negative-pressure air fan driving in place of avoiding the deficiencies in the prior art
Structure, to effectively solve the shortcomings of the prior art.
To achieve the above object, the technical solution that the utility model is taken are as follows: a kind of deduster negative-pressure air fan driving structure,
Including pedestal, the bellows being set on the base and the negative-pressure air fan being arranged in bellows, it is provided with drive shaft on negative-pressure air fan,
Drive shaft is set on the base by bearing block, and air inlet and air outlet are provided on bellows, further includes variable-frequency motor, the change
Frequency motor is directly connect with the shaft of negative-pressure air fan by shaft coupling.
Further, the air inlet is located at negative-pressure air fan and faces on the bellows side wall of side, and the air outlet is located at negative
On bellows side wall at the top of pressure fan.
Further, axially disposed on the output shaft of the variable-frequency motor to have laser beam emitting device, the negative-pressure air fan
Be provided in drive shaft with the laser beam emitting device corresponding imaging glass blocks in position in the circumferential, in the drive shaft also
It is provided with stopper, the laser launched for laser beam emitting device is provided on stopper and passes through and is radiated at the imaging
Through hole on glass blocks.
Further, the through hole is axially disposed.
The above-mentioned technical proposal of the utility model has the advantages that the utility model adds shaft coupling by variable-frequency motor
Device becomes and purchasing into for equipment greatly reduces instead of the technical solution of ordinary motor liquid feeding mechanical couple in the prior art
Originally, the costs such as electric power, transmission oil are saved, while improves the operational efficiency of negative-pressure air fan.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of fan mechanism in the prior art；
Fig. 2 is the utility model embodiment structural schematic diagram；
Fig. 3 is the local structural graph in Fig. 2.
Specific embodiment
The embodiments of the present invention is described in further detail with reference to the accompanying drawings and examples.Following embodiment
For illustrating the utility model, but cannot be used to limit the scope of the utility model.
In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more；Term
The orientation of the instructions such as "upper", "lower", "left", "right", "inner", "outside", " front end ", " rear end ", " head ", " tail portion " or position are closed
System is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, rather than
The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot
It is construed as a limitation of the present invention.In the description of the present invention, it should be noted that unless otherwise specific regulation
And restriction, term " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through
It is indirectly connected.For the ordinary skill in the art, above-mentioned term can be understood in the present invention with concrete condition
Concrete meaning.
As shown in Fig. 2, a kind of deduster negative-pressure air fan driving structure described in the present embodiment, including pedestal 1, setting are the bottom of at
Bellows 2 on seat 1 and the negative-pressure air fan 3 that is arranged in bellows 2 are provided with drive shaft 3a on negative-pressure air fan 3, and drive shaft 3a is logical
It crosses bearing block 8 to be arranged on pedestal 1, air inlet 2a and air outlet 2b is provided on bellows 2, further includes variable-frequency motor 4, variable-frequency electric
Machine 4 is directly connect with the shaft 3a of negative-pressure air fan 3 by shaft coupling 5, by variable-frequency motor 4 plus shaft coupling 5 instead of existing skill
The technical solution of ordinary motor liquid feeding mechanical couple in art greatly reduces the acquisition cost of equipment, saves electric power, transmission
The costs such as oil, while improving the operational efficiency of negative-pressure air fan 3.
Air inlet 2a is located at negative-pressure air fan 3 and faces on 2 side wall of bellows of side, and air outlet 2b is located at the top of negative-pressure air fan 3
On 2 side wall of bellows in portion.
It is axially disposed on the output shaft 4a of variable-frequency motor 4 to have a laser beam emitting device 6, on the drive shaft 3a of negative-pressure air fan 3
Be provided with the corresponding imaging glass blocks 7 in position in the circumferential of laser beam emitting device 6, be additionally provided with stopper on drive shaft 3a
9, it is provided with the laser launched for laser beam emitting device 6 on stopper 9 and passes through and is radiated at logical on imaging glass blocks 7
Via hole 9a；Through hole 9a is axially disposed.
Laser beam emitting device 6 is common Laser emission lamp etc..
Under normal circumstances, the laser that laser beam emitting device 6 is launched exposes to imaging glass blocks 7 by through hole 9a
On, by imaging the brightness that reflects of glass blocks 7 to determine whether there is laser projection, if in the process of work, due to setting
Standby irregular operating causes drive shaft 3a, shaft coupling 5, output shaft 4a three that opposite twisting, deformation occur in the circumferential, that
The laser that laser beam emitting device 6 is launched just will not be thrown to imaging glass blocks 7, and staff has found it when quality
Afterwards, timely shutdown inspection, maintenance, can be to avoid occurring accident.
The embodiments of the present invention are given for the purpose of illustration and description, and are not exhaustively or to incite somebody to action
The utility model is limited to disclosed form.Many modifications and variations are aobvious and easy for the ordinary skill in the art
See.Embodiment was chosen and described in order to better illustrate the principle and practical application of the utility model, and makes this field
Those of ordinary skill it will be appreciated that the utility model to designing various embodiments suitable for specific applications with various modifications.
Claims (3)
1. a kind of deduster negative-pressure air fan driving structure including pedestal, the bellows being set on the base and is arranged in bellows
Negative-pressure air fan, be provided with drive shaft on negative-pressure air fan, drive shaft is set on the base by bearing block, be provided on bellows into
Air port and air outlet, it is characterised in that: further include variable-frequency motor, the variable-frequency motor by shaft coupling directly with negative-pressure air fan
Shaft connection；It is axially disposed on the output shaft of the variable-frequency motor to have laser beam emitting device, the drive shaft of the negative-pressure air fan
On be provided with the laser beam emitting device corresponding imaging glass blocks in position in the circumferential, be additionally provided in the drive shaft
Stopper is provided with the laser launched for laser beam emitting device on stopper and passes through and be radiated at the imaging glass blocks
On through hole.
2. a kind of deduster negative-pressure air fan driving structure according to claim 1, it is characterised in that: the air inlet is located at
Negative-pressure air fan faces on the bellows side wall of side, and the air outlet is located on the bellows side wall at the top of negative-pressure air fan.
3. a kind of deduster negative-pressure air fan driving structure according to claim 1, it is characterised in that: the through hole is along axis
To setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821401733.6U CN209100301U (en) | 2018-08-29 | 2018-08-29 | A kind of deduster negative-pressure air fan driving structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821401733.6U CN209100301U (en) | 2018-08-29 | 2018-08-29 | A kind of deduster negative-pressure air fan driving structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209100301U true CN209100301U (en) | 2019-07-12 |
Family
ID=67151664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821401733.6U Active CN209100301U (en) | 2018-08-29 | 2018-08-29 | A kind of deduster negative-pressure air fan driving structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209100301U (en) |
-
2018
- 2018-08-29 CN CN201821401733.6U patent/CN209100301U/en active Active
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