CN107588026A - A kind of high safety factor centrifugal fan of vibrationproof - Google Patents
A kind of high safety factor centrifugal fan of vibrationproof Download PDFInfo
- Publication number
- CN107588026A CN107588026A CN201711000134.3A CN201711000134A CN107588026A CN 107588026 A CN107588026 A CN 107588026A CN 201711000134 A CN201711000134 A CN 201711000134A CN 107588026 A CN107588026 A CN 107588026A
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- base
- motor
- counterweight
- centrifugal fan
- high safety
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Abstract
A kind of high safety factor centrifugal fan of vibrationproof, including base, casing and motor are provided, bottom plate is provided with below the base, is provided with the first inclined-plane at left and right sides of the lower end of base, the lower end on the first inclined-plane is provided with sliding shoe；The upper end of the sliding shoe is provided with the second inclined-plane；More first buffer springs are provided between on the inside of the sliding shoe；Motor is provided with the right side of the upper end of the base, the output shaft of motor is connected with rotary shaft；Casing is installed with the left of the upper end of the base；The rear side of motor is provided with balance weight mechanism, and balance weight mechanism includes balancing weight, counterweight slide, counterweight slide rail, counterweight screw pair and counter weight base；The left end of the rotary shaft is fixedly connected with wheel swivel base, takes turns and impeller is fixedly connected with the left of swivel base；Bottom of the present invention sets buffering, coordinates balance weight mechanism to reduce the vibration of blower fan to greatest extent, can not only improve fan life, and can reduce friction, improves safety coefficient.
Description
Technical field
The invention belongs to ventilation blower technical field, the high safety factor centrifugal fan of especially a kind of vibrationproof.
Background technology
Ventilation blower is by the mechanical energy of input, improves gas pressure and supplies gas side by side the machinery of body, it is a kind of driven
Fluid machinery, modern ventilation blower are widely used in the ventilation of factory, mine, tunnel, cooling tower, vehicle, ship and building, dust discharge
And cooling, the ventilation of boiler and industrial furnace and air inducing, cooling and ventilation in the apparatus of air conditioning and domestic electric appliance, paddy
The drying of thing and select and recommend, inflation and propulsion of wind-tunnel wind regime and aircushion vehicle etc..
Centrifugal fan is also often used during environmentally-friendly coating, centrifugal fan can be by environmentally-friendly coating mistake
Caused dusty gas is discharged immediately in journey, prevents from polluting, but modern centrifugal fan mostly there is it is more the defects of,
Such as centrifugal fan can produce larger vibrations at work, long-term vibrations can cause the parts inside device to loosen,
So as to reduce device service life.
The content of the invention
Present invention solves the technical problem that：There is provided a kind of set to buffer, coordinate balance weight mechanism to reduce to greatest extent
The vibration of blower fan, fan life can not only be improved, and friction can be reduced, improve the high safety system of the vibrationproof of safety coefficient
Number centrifugal fan.
The technical solution adopted by the present invention：A kind of high safety factor centrifugal fan of vibrationproof, including base, casing and drive
Dynamic motor, bottom plate is provided with below the base, is provided with the first inclined-plane at left and right sides of the lower end of base, under the first inclined-plane
End is provided with sliding shoe；The upper end of the sliding shoe is provided with the second inclined-plane, and lower end and the bottom plate of sliding shoe are slidably connected；It is described
Be provided with more first buffer springs between on the inside of sliding shoe, the upper and lower ends of the first buffer spring respectively with the bottom surface of base and
The top surface of bottom plate is fixedly connected, and fixed block is provided with the outside of sliding shoe, and fixed block is fixedly connected with bottom plate；The base it is upper
End right side is provided with motor, and the output shaft of motor is connected with rotary shaft；It is fixedly mounted on the left of the upper end of the base
There is casing, radiator shutter is provided between casing and motor, radiator shutter is fixedly mounted on the rotating shaft；Motor
Rear side is provided with balance weight mechanism, and balance weight mechanism includes balancing weight, counterweight slide, counterweight slide rail, counterweight screw pair and counter weight base, matched somebody with somebody
Pouring weight is arranged on counterweight slide, and the top slide of counterweight slide is installed on counterweight slide rail, and connects the silk of counterweight screw pair
Stem nut, counterweight slide rail and counterweight screw pair are horizontal on counter weight base, and counter weight base is arranged on motor
Housing rear end；The left end of the rotary shaft is fixedly connected with wheel swivel base, takes turns and impeller is fixedly connected with the left of swivel base, impeller
Left side internal sleeve be provided with axial wheel, axial wheel and impeller are formed in one structure, and axial wheel includes shroud and hub disk.
Further scheme as the present invention：Second inclined-plane is bonded to each other with the first inclined-plane.
Further scheme as the present invention：Connected between the sliding shoe and fixed block by the second buffer spring.
Further scheme as the present invention：The motor is fixedly connected by motor cabinet with base.
Further scheme as the present invention：One end connection counterweight screw mandrel reducing motor of the screw mandrel of the counterweight screw pair
Output shaft.
Further scheme as the present invention：The rotary shaft is horizontally disposed with.
Further scheme as the present invention：Some spiral blades are fixedly connected with the hub disk.
The present invention compared with prior art the advantages of：
1st, bottom design buffering of the present invention, the first buffer spring is once buffered to vibrations, while the first inclined-plane can press
Dynamic second inclined-plane, so that sliding shoe moves, and the second buffer spring being capable of vibrations caused by buffer unit again；
2nd, the balancing weight on present invention design balance weight mechanism can balance centre-of gravity shift caused by casing and impeller, and energy
Reaction force caused by wheel rotation is enough balanced, and balancing weight can be driven along counterweight slide rail or so by the rotation of counterweight screw pair
Slide, adapt to reaction force caused by the wheel rotation under different rotating speeds.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of the impeller of the present invention.
Fig. 3 is the structural representation of the balance weight mechanism of the present invention.
Embodiment
A kind of embodiment of the 1-3 descriptions present invention below in conjunction with the accompanying drawings.
A kind of high safety factor centrifugal fan of vibrationproof, including base 6, casing 1 and motor 15, the base 6
Lower section be provided with bottom plate 11, be provided with the first inclined-plane 7 at left and right sides of the lower end of base 6, the lower end on the first inclined-plane 7 is provided with cunning
Motion block 8；The upper end of the sliding shoe 8 is provided with the second inclined-plane 13, and lower end and the bottom plate 11 of sliding shoe 8 are slidably connected；The cunning
It is provided with more first buffer springs 12 between the inner side of motion block 8, the upper and lower ends of the first buffer spring 12 bottom with base 6 respectively
Face is fixedly connected with the top surface of bottom plate 11, and the outside of sliding shoe 8 is provided with fixed block 9, and fixed block 9 is fixedly connected with bottom plate 11；
Motor 15 is provided with the right side of the upper end of the base 6, the output shaft of motor 15 is connected with rotary shaft 5；The base 6
Upper end on the left of be installed with casing 1, be provided with radiator shutter 16 between casing 1 and motor 15, radiator shutter 16 is solid
Dingan County is in rotary shaft 5；The rear side of motor 15 is provided with balance weight mechanism, and balance weight mechanism includes balancing weight 17, counterweight slide
18th, counterweight slide rail 19, counterweight screw pair 20 and counter weight base 21, balancing weight 17 are arranged on counterweight slide 18, counterweight slide 18
Top slide be installed on counterweight slide rail 19, and connect the feed screw nut of counterweight screw pair 20, counterweight slide rail 19 and counterweight silk
Bar pair 20 is horizontal on counter weight base 21, and counter weight base 21 is arranged on the rear end of the housing of motor 15；
The left end of the rotary shaft 5 is fixedly connected with wheel swivel base 4, and the left side of wheel swivel base 4 is fixedly connected with impeller 2, impeller 2
Left side internal sleeve be provided with axial wheel 3, axial wheel 3 and impeller 2 are formed in one structure, axial wheel 3 include shroud and
Hub disk.
Above-mentioned, the second inclined-plane 13 is bonded to each other with the first inclined-plane 7.
It is above-mentioned, connected between sliding shoe 8 and fixed block 9 by the second buffer spring 10.
Above-mentioned, motor 15 is fixedly connected by motor cabinet 14 with base 6.
It is above-mentioned, the output shaft of one end connection counterweight screw mandrel reducing motor of the screw mandrel of counterweight screw pair 20.
Above-mentioned, rotary shaft is horizontally disposed with.
It is above-mentioned, some spiral blades are fixedly connected with hub disk.
The design feature and its operation principle of the present invention：Axial wheel 3 and impeller 2 are formed in one structure, improve impeller 2
Overall structure, its is scientific and reasonable for structure, can both reduce the complexity of centrifugal fan structure, reduce cost, without increase
The diameter of impeller 2, the presence of axial wheel 3 can increase blast of the blast pipe in air inlet, reduce energy consumption, reduce noise, together
When motor 15 radiator shutter 16 can be driven to rotate when working, so as to being radiated to motor 15, when device works
Vibrations can be produced, at this moment the first buffer spring 12 is once buffered to vibrations, while the first inclined-plane 7 can press the second inclined-plane
13, so that sliding shoe 8 moves, and the second buffer spring 10 being capable of vibrations caused by buffer unit again；On balance weight mechanism
Balancing weight 17 can balance centre-of gravity shift caused by casing 1 and impeller 2, and can balance impeller 2 rotate caused by anti-make
Firmly, and balancing weight 17 can be driven along counterweight slide rail 19 by the rotation of counterweight screw pair 20 and be horizontally slipped, and adapt to different rotating speeds
Under impeller 2 rotate caused reaction force.
Above-described embodiment, simply presently preferred embodiments of the present invention, is not used for limiting the scope of the present invention, therefore all with this
The equivalence changes that content described in invention claim is done, it all should be included within scope of the invention as claimed.
Claims (7)
1. a kind of high safety factor centrifugal fan of vibrationproof, including base, casing and motor, it is characterised in that described
Bottom plate is provided with below base, is provided with the first inclined-plane at left and right sides of the lower end of base, the lower end on the first inclined-plane is provided with cunning
Motion block；The upper end of the sliding shoe is provided with the second inclined-plane, and lower end and the bottom plate of sliding shoe are slidably connected；On the inside of the sliding shoe
Between be provided with more first buffer springs, the upper and lower ends of the first buffer spring respectively with the bottom surface of base and the top surface of bottom plate
It is fixedly connected, fixed block is provided with the outside of sliding shoe, fixed block is fixedly connected with bottom plate；Set on the right side of the upper end of the base
There is motor, the output shaft of motor is connected with rotary shaft；Casing, casing are installed with the left of the upper end of the base
Radiator shutter is provided between motor, radiator shutter is fixedly mounted on the rotating shaft；The rear side of motor, which is provided with, matches somebody with somebody
Heavy-duty machine structure, balance weight mechanism include balancing weight, counterweight slide, counterweight slide rail, counterweight screw pair and counter weight base, balancing weight and are arranged on
On counterweight slide, the top slide of counterweight slide is installed on counterweight slide rail, and connects the feed screw nut of counterweight screw pair, counterweight
Slide rail and counterweight screw pair are horizontal on counter weight base, after counter weight base is arranged on the housing of motor
End；The left end of the rotary shaft is fixedly connected with wheel swivel base, takes turns and impeller is fixedly connected with the left of swivel base, inside the left side of impeller
It is arranged with axial wheel, axial wheel and impeller are formed in one structure, and axial wheel includes shroud and hub disk.
A kind of 2. high safety factor centrifugal fan of vibrationproof according to claim 1, it is characterised in that：Described second is oblique
Face is bonded to each other with the first inclined-plane.
A kind of 3. high safety factor centrifugal fan of vibrationproof according to claim 1, it is characterised in that：The sliding shoe
It is connected between fixed block by the second buffer spring.
A kind of 4. high safety factor centrifugal fan of vibrationproof according to claim 1, it is characterised in that：The driving electricity
Machine is fixedly connected by motor cabinet with base.
A kind of 5. high safety factor centrifugal fan of vibrationproof according to claim 1, it is characterised in that：The counterweight silk
The output shaft of one end connection counterweight screw mandrel reducing motor of the secondary screw mandrel of bar.
A kind of 6. high safety factor centrifugal fan of vibrationproof according to claim 1, it is characterised in that：The rotary shaft
It is horizontally disposed.
A kind of 7. high safety factor centrifugal fan of vibrationproof according to claim 1, it is characterised in that：On the hub disk
It is fixedly connected with some spiral blades.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711000134.3A CN107588026A (en) | 2017-10-24 | 2017-10-24 | A kind of high safety factor centrifugal fan of vibrationproof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711000134.3A CN107588026A (en) | 2017-10-24 | 2017-10-24 | A kind of high safety factor centrifugal fan of vibrationproof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107588026A true CN107588026A (en) | 2018-01-16 |
Family
ID=61043485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711000134.3A Withdrawn CN107588026A (en) | 2017-10-24 | 2017-10-24 | A kind of high safety factor centrifugal fan of vibrationproof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107588026A (en) |
-
2017
- 2017-10-24 CN CN201711000134.3A patent/CN107588026A/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180116 |
|
| WW01 | Invention patent application withdrawn after publication |