CN206329515U - Novel stepless variable-speed high-speed centrifugal fan - Google Patents
Novel stepless variable-speed high-speed centrifugal fan Download PDFInfo
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- CN206329515U CN206329515U CN201621193647.1U CN201621193647U CN206329515U CN 206329515 U CN206329515 U CN 206329515U CN 201621193647 U CN201621193647 U CN 201621193647U CN 206329515 U CN206329515 U CN 206329515U
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Abstract
The utility model discloses a kind of novel stepless variable-speed high-speed centrifugal fan, it includes integral support, the one end on the integral support top is provided with bearing housing, the other end is provided with motor, the bearing housing is connected by bearing with main axis formula, the two ends of the main shaft are through the bearing housing and the two contact position is provided with sealing mechanism, the main shaft and impeller sets are into fan rotor, one end of the main shaft is connected by shaft coupling with the line shaft of the motor, the rotor suit is in the stator, the stator is fixed on the integral support, the bearing housing is connected with lubricating system.The utility model directly drives blower fan using high-speed electric expreess locomotive, and adjusts blower fan real work rotating speed by variable-frequency governor, while realization reduces cost, saves the energy, increases blower fan work region, meets the changeable situation of some fan conditions.
Description
Technical field：
The utility model is related to a kind of conventional blower fan of industrial circle, more particularly to a kind of novel stepless variable-speed at a high speed from
Heart blower fan.
Background technology：
Blower fan is mainly used in metallurgy, petrochemical industry, electric power, pharmacy, biofermentation, urban track traffic, food, weaving, ship
The ventilation of all fields of national economy such as oceangoing ship and various places.And will in the market segment such as energy-conservation and comprehensive utilization of resources
There is larger development prospect.
With the continuous aggravation that blower fan manufacturing is competed, continuous lifting of the society to the energy and environmental consciousness, user couple
The requirement of fan efficiency, low noise, long-life and product price also more and more higher, blower fan market need efficiency high, it is simple in construction,
Easy to maintenance, complete property and the stronger blower fan of systematicness occur, therefore blower fan is gradually to high speed, miniaturization, to substitute
The blower fan that efficiency is low, subsystem is various, working service is complicated, rapid wear is on the high side.
When fan design is calculated, draught fan impeller outer rim linear velocity determines blower fan acting ability, that is to say, that blower fan reaches
Identical parameters, improve rotation speed of fan, just can reduce draught fan impeller diameter, reduce blower fan volume, and weight is reduced, cost reduction.
Blower pressure height, the comparatively small occasion of flow are needed at some, high-speed fan can be typically used, and tradition is high
Fast blower fan, is usually that step-up gear is configured between blower fan and prime mover, and the work that blower fan needs is realized by gear pair
Rotating speed, but gear is as the subsystem of blower fan, adds blower fan production cost, and also energy loss is 5% or so.Gear
Pair belongs to consumable accessory, it is necessary to which periodic maintenance, maintenance and replacing, cause blower fan cost higher, and gear-box safeguards professional ratio
Relatively by force, it is necessary to which professional and technical personnel, increases later maintenance upkeep cost.
Utility model content：
Technical problem to be solved in the utility model is：The deficiencies in the prior art are overcome to reduce supporting portion there is provided one kind
Part species, reduce manufacturing cost and production cycle, reduce blower fan maintaining cost and reduce power attenuation new nothing
Level speed change high-speed centrifugal fan.
The technical solution of the utility model is：A kind of novel stepless variable-speed high-speed centrifugal fan, including integral support, it is described
The one end on integral support top is provided with bearing housing, and the other end is provided with motor, and the bearing housing passes through bearing and main axis
Formula is connected, and the two ends of the main shaft are provided with sealing mechanism through the bearing housing and the two contact position, the main shaft with it is described
Impeller sets are connected into fan rotor, one end of the main shaft by shaft coupling with the line shaft of the motor, the rotor suit
In the stator, the stator is fixed on the integral support, and the bearing housing is connected with lubricating system.
The stator includes casing, casing cover plate and sealing, and the casing is welding casing or casting casing；Described turn
Son uses single-stage impeller or multi-stage impeller according to actual parameter.The bearing is using pressure oil lubrication, the lubricating system and institute
State integral support to integrate, the bearing housing is used as the accumulator of the lubricating system.
The motor uses high-speed electric expreess locomotive, and the motor is connected with frequency converter, required according to actual design, using power supply frequency
More than rate 50Hz high speed alternator driven motor or High-speed DC motor.The bearing uses rolling bearing or sliding bearing, described turn
Son uses single-cantilever structure or dual-support structure.
The beneficial effects of the utility model are：
1st, the utility model improves blower fan work rotating speed, in the case where reaching same parameter, can make blower fan volume and
Weight is greatly reduced, and reduces material usage, reduces manufacturing cost.
2nd, the utility model improves rotation speed of fan using high-speed electric expreess locomotive, it is no longer necessary to the subsystem such as gear-box, reduces
Blower fan amount of parts, reduces production cost, while also simplify the maintaining of blower fan, saves maintenance cost.
3rd, lubricating system is integrated in fan body by the utility model, and bearing housing can be used as grease-box, overall
The various annexes of blower fan are integrated with support, independent lubricating petrol station are not being needed, during installation, blower fan be directly placed on the basis of i.e.
Can, it is to avoid the complicated installation of various subsidiary pipelines.
4th, the utility model simplifies blower fan configuration, and without the central appendix system such as gear-box, blower fan is greatly reduced
Weight, and requirement of the blower fan to installation foundation is reduced, while reducing blower fan units consumption, improve overall efficiency.
5th, the utility model directly drives blower fan using high-speed electric expreess locomotive, and adjusts blower fan real work by variable-frequency governor
Rotating speed, while realization reduces cost, saves the energy, increases blower fan work region, meets some fan conditions changeable
Situation, its is simple in construction, compact, and floor space is small, it is easy to promotion and implementation, with good economic benefit.
Brief description of the drawings：
Fig. 1 is the structural representation of novel stepless variable-speed high-speed centrifugal fan；
Fig. 2 is the right view of novel stepless variable-speed high-speed centrifugal fan shown in Fig. 1.
Embodiment：
Embodiment：Referring to Fig. 1-Fig. 2, in figure, 1- stators, 2- rotors, 3- bearing housings, 4- bearings, 5- motors, 6- is integrally propped up
Frame, 7- shaft couplings, 8- lubricating systems.
Novel stepless variable-speed high-speed centrifugal fan includes integral support 6, wherein：The one end on the top of integral support 6 is provided with
Bearing housing 3, the other end is provided with motor 5, and bearing housing 3 is connected by bearing 4 with main axis formula, and bearing is run through at the two ends of main shaft
Case 3 and the two contact position are provided with sealing mechanism, main shaft and impeller sets into fan rotor 2, one end of main shaft by shaft coupling 7 with
The line shaft connection of motor 5, rotor 2 is sleeved in stator 1, and stator 1 is fixed on integral support 6, bearing housing 3 and lubricating system
8 connections.
Stator 1 includes casing, casing cover plate and sealing, and casing is welding casing or casting casing；Rotor 2 is according to reality
Parameter uses single-stage impeller or multi-stage impeller.Bearing 4 is using oil lubrication is forced, and lubricating system 8 is integrated in one with integral support 6
Rise, bearing housing 3 is used as the accumulator of lubricating system 8.
Motor 5 uses high-speed electric expreess locomotive, is required according to actual design, using more than frequency of supply 50Hz high speed alternator driven motor
Or High-speed DC motor.Bearing 4 uses rolling bearing or sliding bearing, and rotor 2 uses single-cantilever structure or dual-support structure.
In use, starting motor 5, main shaft is rotated by shaft coupling 7, and then drive rotor 2 to rotate, air-flow enters from axial direction
Gas port enters, then is pressurizeed through rotor 2, the medium of discharge is reached after the rated pressure of design.Motor 5 can connect with frequency converter
Connect, to adjust blower fan work rotating speed, realize blower fan variable speed.
The above, is only preferred embodiment of the present utility model, not makees any formal to the utility model
Limitation, it is every according to technical spirit of the present utility model above example is made it is any it is simple modification, equivalent variations with
Modification, in the range of still falling within technical solutions of the utility model.
Claims (5)
1. a kind of novel stepless variable-speed high-speed centrifugal fan, including integral support, it is characterized in that：The one of the integral support top
End is provided with bearing housing, and the other end is provided with motor, and the bearing housing is connected by bearing with main axis formula, the main shaft
Two ends are through the bearing housing and the two contact position is provided with sealing mechanism, and the main shaft and impeller sets are described into fan rotor
One end of main shaft is connected by shaft coupling with the line shaft of the motor, and the rotor suit in the stator, fix by the stator
On the integral support, the bearing housing is connected with lubricating system.
2. novel stepless variable-speed high-speed centrifugal fan according to claim 1, it is characterized in that：The stator include casing,
Casing cover plate and sealing, the casing are welding casing or casting casing；The rotor uses single-stage leaf according to actual parameter
Wheel or multi-stage impeller.
3. novel stepless variable-speed high-speed centrifugal fan according to claim 1, it is characterized in that：The bearing is oily using forcing
Lubrication, the lubricating system is integrated with the integral support, accumulator of the bearing housing as the lubricating system
Use, it is not necessary to which independent lubricating system is set.
4. novel stepless variable-speed high-speed centrifugal fan according to claim 1, it is characterized in that：The motor is using electricity at a high speed
Machine, is required according to actual design, using more than frequency of supply 50Hz high speed alternator driven motor or High-speed DC motor.
5. novel stepless variable-speed high-speed centrifugal fan according to claim 1, it is characterized in that：The bearing uses the axis of rolling
Hold or sliding bearing, the rotor uses single-cantilever structure or dual-support structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621193647.1U CN206329515U (en) | 2016-11-07 | 2016-11-07 | Novel stepless variable-speed high-speed centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621193647.1U CN206329515U (en) | 2016-11-07 | 2016-11-07 | Novel stepless variable-speed high-speed centrifugal fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206329515U true CN206329515U (en) | 2017-07-14 |
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ID=59286873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621193647.1U Active CN206329515U (en) | 2016-11-07 | 2016-11-07 | Novel stepless variable-speed high-speed centrifugal fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206329515U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113027798A (en) * | 2019-12-25 | 2021-06-25 | 上海梅山钢铁股份有限公司 | Online maintenance method for centrifugal fan |
-
2016
- 2016-11-07 CN CN201621193647.1U patent/CN206329515U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113027798A (en) * | 2019-12-25 | 2021-06-25 | 上海梅山钢铁股份有限公司 | Online maintenance method for centrifugal fan |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180525 Address after: 710000 No. 18, Dai Wang, Shan drum Road, Lintong District, Xi'an, Shaanxi. Co-patentee after: Ren Wendao Patentee after: Hou Weixu Address before: 471000 E 610, Torch Innovation and entrepreneurship Park, Yan Guang road, Luoyang new and high tech Zone, Henan Patentee before: Luoyang haodun Manchester energy saving blower Co Ltd |