CN208749483U - A kind of blower special power regulating device - Google Patents
A kind of blower special power regulating device Download PDFInfo
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- CN208749483U CN208749483U CN201821394554.4U CN201821394554U CN208749483U CN 208749483 U CN208749483 U CN 208749483U CN 201821394554 U CN201821394554 U CN 201821394554U CN 208749483 U CN208749483 U CN 208749483U
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- guide rod
- gear
- bracket
- regulating device
- transmission mechanism
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
A kind of blower special power regulating device, the transmission mechanism of rotational motion is converted to including the power mechanism for exporting rotary motion, the driving guide rod (3) for converting rotational motion into linear motion, by linear motion, power mechanism and driving guide rod (3) are affixed, and control driving guide rod (3) moves linearly along its axis direction；The other end of guide rod (3) is driven to pass through bracket I (6) affixed with transmission mechanism afterwards；The transmission mechanism is mounted on bracket I (6) by bracket II (7), multiple blades (8) are installed thereon, all blades (8) rotate synchronously under the cooperation of power mechanism and transmission mechanism, realize the variation of blade and horizontal direction angle, and then change the wind area of fan blade under different situations, the positive effect with power regulation.
Description
Technical field
The utility model belongs to technical field of wind power generating equipment, and in particular to a kind of large and medium-sized dedicated function of wind-driven generator
Rate regulating device.
Background technique
Wind energy resources are worldwide very rich, and there are considerable wind energy content in almost all of area and country.
Energy problem becomes an emphasis of every country common concern in recent years, coal resources, petroleum resources storage capacity be only capable of it is full
The exploitation of sufficient centuries, while environmental problem also becomes an important problem of puzzlement state and society, therefore, every country is all
Gradually attention is transferred in the development and utilization of new energy.Wind energy as renewable energy important component it
One, while causing researcher's extensive concern, also obtain the support energetically of national governments.
At present wind-powered electricity generation equipment development trend be: enlargement, lightweight, offshore wind farm, high reliability, high controllability, with
And reasonable manufacture/installation/maintenance cost.
Power of fan adjusting is one of core technology of wind power product, mostly uses variable pitch technology to go to realize at present, principle is
It is realized by the swivel bearing of root of blade, this power regulation pitching manner is known as vane self-rotating and turns pitching manner, more
Single blade variable pitch is realized with the structure type of a band one.Existing large fan blade is all using cantilever beam structure, in root
Equipped with pitch variable bearings, fan blade is driven to be rotated by pitch variable bearings, this proposes biggish challenge to pitch variable bearings, generally
Heavy caliber, heavy-duty bearing are all selected, manufacture, installation and maintenance cost are all very high, and reliability is also difficult to ensure.Other part
Blower realizes the purpose of power regulation in the form of leaf folding variable pitch, principle be by incline hinge by two-part blade into
Row is connected, and the purpose of variable pitch is realized by the oblique fold of blade.
Patent " variable pitch structure of wind generator " (application number: 200920236951.3) gives a kind of power regulation side
Method.The structure is the wheel wheel being mounted on generator shaft and the blade for being mounted on wheel wheel periphery, and a spiral is equipped in wheel in taking turns
Bevel gear, and the rachis bevel gear engaged with spiral bevel gear built in above-mentioned wheel wheel, spiral are installed on the axis inner end of blade
Preload clockwork spring is combined on bevel gear.By driving bevel-gear rotating, and then vane self-rotating is driven to turn, to realize variable pitch, reached
To the purpose of regulation power.It is acted on and being restored to the original state by clockwork spring when wind speed is reduced, but preload clockwork spring reliability itself is poor, together
When controllability is poor during regulation power, be unfavorable for controlling the stable regulation of its power.
Patent " a kind of wind-driven generator pitching driving mechanism " (application number: 201721067106.9) gives another
Power regulating method.It includes driving gear, two-way rack gear, driven gear, left and right ratchet, bearing part etc., and driving gear band is dynamic
Two-way rack gear operating, two-way rack drives driven gear rotation, the left ratchet and right spine that driven gear drives the left and right sides to install
Wheel rotation, to realize the purpose that position is motionless after vane propeller-changing and variable pitch.But the pitching manner can only drive a blade
Variable pitch adjusting is carried out, therefore variable pitch convenience is poor, while multiple groups blade pitch device causes structure size larger, while using ratchet
The structure type of mechanism, reliability is slightly poor, and repair and maintenance convenience is poor.
Summary of the invention
Based on problem above and deficiency, the purpose of this utility model is that proposing a kind of to adjust convenient and high reliablity wind
Machine special power regulating device.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of blower special power regulating device, including exporting the power mechanism of rotary motion, converting rotational motion into
The driving guide rod 3 of linear motion, the transmission mechanism that linear motion is converted to rotational motion, power mechanism and driving guide rod
3 is affixed, and control driving guide rod 3 moves linearly along its axis direction；After driving the other end of guide rod 3 to pass through bracket I 6
It is affixed with transmission mechanism；The transmission mechanism is mounted on bracket I 6 by bracket II 7, multiple blades 8 is equipped with thereon, in power
All blades 8 rotate synchronously under the cooperation of mechanism and transmission mechanism.
Further, the power mechanism includes motor 1, lead screw 2, inside spin drive rod 10, the output shaft and silk of motor 1
Thick stick 2 connects, and inside spin drive rod 10 is arranged on lead screw 2, and the end of inside spin drive rod 10 and driving guide rod 3 are affixed.
Further, the driving guide rod 3 is special-shaped bar, and bracket I 6 is equipped with the irregularly-shaped hole to match with special-shaped bar,
It is affixed with transmission mechanism after driving the other end of guide rod 3 to pass through the irregularly-shaped hole.
Further, the driving guide rod 3 is the special-shaped bar that section is in polygon, and bracket I 6 is equipped with and aforementioned abnormity
The polygonal hole that bar matches.
Further, the transmission mechanism includes driving gear 4, multiple periphery gears 5, drives the other end of guide rod 3
Portion and driving gear 4 are affixed；The outer surface of driving gear 4 is along the circumferential direction convexly equipped with multiple linear gear racks 401；Each straight line tooth
5 bridle joint of item 401 and a periphery gear, each periphery gear 5 radially install a blade 8；The periphery gear 5 passes through branch
Frame II 7 is mounted on bracket I 6.
Further, the outer surface of the driving gear 4 is along the circumferential direction convexly equipped with multiple straight line teeth of equidistantly distributed
Item 401.
Further, the angle between the blade 8 and driving 3 axis of guide rod is between 90 ° -135 °.
Compared with existing power of fan adjustment equipment, the utility model has simple structure, stress equalization, controls simplicity
Feature can generate following prominent effect:
1, it is rotated by gear engagement, realizes the variation of blade and horizontal direction angle, and then change different situations
The wind area of lower fan blade, the positive effect with power regulation；
2, the drive mechanism of variable angle is mainly Spur Gear Driving, and the mode of adjusting is linear motion, very easy；
3, power mode is mainly lead screw transmission, for linear motion, and structure is simple, operates convenient, high reliablity；
4, since the mode of power regulation is fairly simple, the structural reliability of device feature is strong so that blower fan system can
It greatly improves, be also convenient for installing and safeguard by property.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model
Art means, and being implemented in accordance with the contents of the specification, and in order to allow the above and other purpose, feature of the utility model
It can be more clearly understood with advantage, it is special below to lift preferred embodiment, and cooperate attached drawing, detailed description are as follows.
Detailed description of the invention
Fig. 1 is a kind of main view of blower special power regulating device of the utility model.
Fig. 2 is the side view in utility model device normal course of operation.
Fig. 3 is the utility model device side view that blade stress surface adjusts in power adjustment procedure.
Fig. 4 is a kind of axis surveys view of blower special power regulating device of the utility model.
Fig. 5 is the blade wind surface contrast schematic diagram before and after utility model device power regulation.
[main element symbol description]
1- motor
2- lead screw
3- drives guide rod
4- drives gear 401- linear gear rack
The periphery 5- gear
6- bracket I
7- bracket II
8- blade
9- impeller direction of rotation
10- inside spin drive rod.
Specific embodiment
Below in conjunction with specific embodiment, the technical solution of the utility model is clearly and completely described.
Fig. 1, Fig. 2 and Fig. 4, a kind of blower special power regulating device, including motor 1, lead screw 2, inside spin is please referred to drive
Lever 10, driving gear 4, periphery gear 5, the output shaft of motor 1 are connect with lead screw 2, and control lead screw 2 rotates clockwise or the inverse time
Needle rotation.It is set with inside spin drive rod 10 on lead screw 2, realizes inside spin drive rod 10 along lead screw by the cooperation of internal and external threads
The moving in rotation of 2 axis directions.The end of inside spin drive rod 10 is connect with driving guide rod 3, drives 3 other end of guide rod
Portion passes through bracket I 6 and driving gear 4 is affixed, and the outer surface of driving gear 4 is along the circumferential direction convexly equipped with 3 equidistantly distributeds
Linear gear rack 401, each linear gear rack 401 and 5 bridle joint of periphery gear, each periphery gear 5 radially install one
Blade 8.Each periphery gear 5 is mounted on bracket I 6 by independent bracket II 7.
As the further improvement of the utility model, drive the section of guide rod 3 hexagonal (or other polygons), branch
It is machined with corresponding hexagonal hole on frame I 6, the rotational freedom of driving guide rod 3 is limited by hexagonal hole, makes it can only edge
The axis direction of lead screw 2 is mobile.Certain the utility model is without being limited thereto, and matching for other polymorphic structures and irregularly-shaped hole can also be used
Close the rotational freedom of limitation driving guide rod.
As the further improvement of the utility model, motor 1, bracket I 6 are packed in the fan engine room shell to match
On, convenient for the utility model proposes device to blower carry out power regulation.
Fig. 3, Fig. 5 are please referred to, a kind of working principle of blower special power regulating device of the utility model is as follows:
The draught fan impeller is rotated along impeller direction of rotation 9, when encountering that wind speed is excessive, revolving speed of impeller is too fast, is needed
Reduce the wind surface of each blade 8 in impeller, reduce rotation speed of fan, reduces blower stress.Lead screw is driven by starting motor 1
2 rotations, inside spin drive rod 10 is moved forward along the axis direction of lead screw 2 under externally threaded cooperation inside, and then drives driving
Guide rod 3 travels forward, and driving guide rod 3 and driving gear 4 are affixed, and driving gear 4 realizes linear motion horizontally forward.It is logical
It overdrives the linear motion of gear 4, pushes 3 periphery gears 5 engaged to rotate, 3 periphery gears 5 drive 3 blades
8 carry out synchronous rotation synchronized in the same direction, so that the angle a for realizing that blade and horizontal direction are formed becomes larger (≤135 °), form Fig. 3
Shown in effect, thus achieve the purpose that reduce power of fan.
It after strong wind, when the revolving speed of impeller is excessively slow, needs to increase the windward side of each blade 8 in impeller, improves blower
Revolving speed.Drive 2 counter motion of lead screw by starting motor 1, inside under externally threaded cooperation inside spin drive rod 10 along lead screw
2 axis direction moves backward, and then driving guide rod 3 is driven to move backward, and driving guide rod 3 and driving gear 4 are affixed, drives
Moving gear 4 realizes the linear motion after horizontal direction.By driving the linear motion of gear 4, the periphery gear 5 of 3 engagements is pushed
It rotates backward, 3 periphery gears 5 drive 3 blades 8 to carry out synchronous rotation synchronized in the same direction, to realize blade and level side
Reduce (>=90 °) to the angle a of formation, to achieve the purpose that improve power of fan.
In the present embodiment, point-blank, which is defined for the axis of the axis of lead screw 2 and driving guide rod 3
For horizontal direction.
The utility model proposes regulating device mainly based on Linear transmission and passive rotation, and using transmission carrying energy
The biggish gear transmission structure of power, therefore reliability is higher.The structure type of motor driven lead screw transmission is used simultaneously, and is used
One-to-multiple form, so that the size of entire regulating mechanism device greatly reduces, the installation maintenance maintenance in later period is all easier,
Power regulation more facilitation, better reliability.This apparatus structure is simple, easy to operate, and cost is reasonable, preferably realization wind
The convenient adjusting of power of fan in power technology, blower stress adjust this two big target of high reliability.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, this field is common
Other modifications or equivalent replacement that technical staff makes technical solution of the present invention, without departing from technical solution of the present invention
Spirit and scope, be intended to be within the scope of the claims of the invention.
Claims (7)
1. a kind of blower special power regulating device, it is characterised in that including exporting the power mechanism of rotary motion, transporting rotation
Turn is changed to the driving guide rod (3) of linear motion, linear motion is converted to the transmission mechanism of rotational motion, power mechanism with
Drive guide rod (3) affixed, control driving guide rod (3) moves linearly along its axis direction；Drive the another of guide rod (3)
It is affixed with transmission mechanism afterwards that end passes through bracket I (6)；The transmission mechanism is mounted on bracket I (6) by bracket II (7), thereon
Multiple blades (8) are installed, all blades (8) rotate synchronously under the cooperation of power mechanism and transmission mechanism.
2. blower special power regulating device according to claim 1, it is characterised in that the power mechanism includes motor
(1), the output shaft of lead screw (2), inside spin drive rod (10), motor (1) is connect with lead screw (2), and lead screw is arranged with interior spiral shell on (2)
It revolves drive rod (10), the end of inside spin drive rod (10) is connect with driving guide rod (3).
3. blower special power regulating device according to claim 1, it is characterised in that the driving guide rod (3) is different
Shape bar, bracket I (6) are equipped with the irregularly-shaped hole to match with special-shaped bar, and the other end of driving guide rod (3) passes through the irregularly-shaped hole
It is affixed with transmission mechanism afterwards.
4. blower special power regulating device according to claim 3, it is characterised in that the driving guide rod (3) is to cut
Face is in the special-shaped bar of polygon, and bracket I (6) is equipped with the polygonal hole to match with aforementioned special-shaped bar.
5. blower special power regulating device according to claim 1, it is characterised in that the transmission mechanism includes driving
Gear (4), multiple periphery gears (5) drive the other end of guide rod (3) and driving gear (4) affixed；It drives gear (4)
Outer surface be along the circumferential direction convexly equipped with multiple linear gear racks (401)；Each linear gear rack (401) is nibbled with a periphery gear (5)
It connects, each periphery gear (5) radially installs a blade (8)；The periphery gear (5) is mounted on by bracket II (7)
On bracket I (6).
6. blower special power regulating device according to claim 5, it is characterised in that the appearance of driving gear (4)
Face is along the circumferential direction convexly equipped with multiple linear gear racks (401) of equidistantly distributed.
7. blower special power regulating device according to claim 1 to 6, it is characterised in that the blade (8)
Angle between driving guide rod (3) axis is between 90 ° -135 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821394554.4U CN208749483U (en) | 2018-08-28 | 2018-08-28 | A kind of blower special power regulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821394554.4U CN208749483U (en) | 2018-08-28 | 2018-08-28 | A kind of blower special power regulating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208749483U true CN208749483U (en) | 2019-04-16 |
Family
ID=66082156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821394554.4U Active CN208749483U (en) | 2018-08-28 | 2018-08-28 | A kind of blower special power regulating device |
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| Country | Link |
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| CN (1) | CN208749483U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108678903A (en) * | 2018-08-28 | 2018-10-19 | 清华大学天津高端装备研究院洛阳先进制造产业研发基地 | A kind of wind turbine special power regulating device |
-
2018
- 2018-08-28 CN CN201821394554.4U patent/CN208749483U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108678903A (en) * | 2018-08-28 | 2018-10-19 | 清华大学天津高端装备研究院洛阳先进制造产业研发基地 | A kind of wind turbine special power regulating device |
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