TW201014970A - Mechanism to control the inclination angle of blades - Google Patents

Mechanism to control the inclination angle of blades Download PDF

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Publication number
TW201014970A
TW201014970A TW97139428A TW97139428A TW201014970A TW 201014970 A TW201014970 A TW 201014970A TW 97139428 A TW97139428 A TW 97139428A TW 97139428 A TW97139428 A TW 97139428A TW 201014970 A TW201014970 A TW 201014970A
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TW
Taiwan
Prior art keywords
rotating shaft
control mechanism
gear
disposed
sleeved
Prior art date
Application number
TW97139428A
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Chinese (zh)
Inventor
Qin-Ran Zhang
You-Shun Ye
En-Kai Zheng
Original Assignee
Inst Nuclear Energy Res
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Application filed by Inst Nuclear Energy Res filed Critical Inst Nuclear Energy Res
Priority to TW97139428A priority Critical patent/TW201014970A/en
Publication of TW201014970A publication Critical patent/TW201014970A/en

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/74Wind turbines with rotation axis perpendicular to the wind direction

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  • Wind Motors (AREA)

Abstract

The present invention provides a mechanism to control the inclination angle of blades, which is installed in a sleeving structure, the sleeving structure has plural casing pipes. The mechanism to control the inclination angle of blades comprises: a driving device fixed in the casing pipes; a first gear sleeved onto the driving device; plural second gears engaged with the first gear; plural rotating shafts penetrating the casing pipes and the second gears; a fixing device fixed in the casing pipes and sleeved onto the rotating shaft. The driving device drives the plural rotating shafts to control the plural blades at the same time, so that the blades can be adjusted at different wind speeds to have the best attack angle for converting the wind energy into electrical energy most effectively. Furthermore, when the wind power generator is shut down and the wind speed is high, the inclination angle of the blade is adjusted to prevent the damage of the blades of the wind power generator due to strong wind.

Description

201014970 九、發明說明: 【發明所屬之技術領域】 本發明係有關於-種傾角控制結構,特別是指一種葉片傾角控制機 構0 【先前技術】 =技的發達迅速,使人們生活更為便利。舉凡照201014970 IX. Description of the Invention: [Technical Field] The present invention relates to a tilt control structure, and more particularly to a blade tilt control mechanism. [Prior Art] = The technique is developed rapidly, making people's lives more convenient. Take a photo

Γ專輸、或是工業設備等,皆改善人們的生活品質。然而多 ’如此則讓生活不方便。因此電 ==儀ΐ或是設備等,須以電力才可運作,若缺少了電能,則這些 機器、儀益、豕電、通訊裝置等都將停擺 能為我們不可或缺的能源之一。 而目前全球的能源多半是利用燃燒石油或是煤等,而石油或煤並不是 取之不盡的’若不積極的尋找替代能源,等到石油或煤耗盡時,全球將陷 入能源危機。為了職目前源危機,各_極開發各式的再生能源, 如風力發電、太陽能發電、地熱發電、潮汐發電等。 而以風力發縣例,風力發電是藉蛾力帶動發電機,將風力轉換成 電^在轉換過程林會產生二氧化碳及任何污染物質的暖,因此不少 國家大力的投入研究。 以風力㈣機將風的動能轉換成機械能而言,葉片的傾角相當重要; 若是葉片處於合適的傾角,而風吹動葉片時,可使葉片產生較大之 矩’相對的,發電機也會產生财的發電量。若風雜持—定的情況t 發電機的輸出功輕會維持-定。但是風速會隨著時間献季節的變化而 有所不同’不可能持續保持—定。t風速過高時,葉片將會以高速旋轉, 發電機則容易損毀。因此有些發额會藉由轉速控制裝置降低發電機 速’以避免發電機毁損。 但是,發電機於轉速控制裝置的控制下,發電量無法以額定功率輪出, 因此發電機於風速達到停機風速的情況下,立即會停止運作,使葉片不再 5 201014970 ^動二避《電__高關毀。賴鱗^經停止 吹動著靜止的葉片’如此則會增加煞車祕損壞的機率。= 速改變葉片最合她角,讓若能触照風向和風 可減少葉片毀損的機率風人過⑼時,轉動力矩為較小,如此即 若是發電機於低風速時,葉片轉動較為緩慢;相對的發電量減少 至風速更低時,當自風麻的動能低於轉動的最低動 被推動,魏機黯法《。若是鱗能触聽片的·,讓葉 風速時的齡力矩加大,射提輕風速的發電解。 - 因此,本發明提供-種風力發電機葉片傾角控制機構,其係可控 片的傾角’以控制風力發電機於高風鱗的轉速,讓發電機的額定功率= =保持-^ ’並且避免發電機於停機風速而葉片停止運轉時,葉片被強: 队打而_,更可膽低風料,提升發賴·電效率,如 = 述之問題。 穴上 【發明内容】 本發明之主要目的,在於提供__片⑽控制機構,其鋪由—驅 ©鱗置⑽練數轉軸,明時控㈣支葉片,使封能於不同風速 皆能調整到最佳的攻角,以將風能最有效的轉換成電能,並且於風力發電 機停機而處於高風速時,調整葉片傾角,以避免風力發電機之葉片因強風 而損毀。 、本發明之葉片傾角控制機構,其係設置於一套合結構,套合結構具有 複數個套管,葉片傾角控制機構包含一驅動裝置、一第一齒輪、複數個第 二齒輪與複數轉軸’驅姆M定於套㈣;第—錄套設於驅動裝置; 第二齒輪與第-齒輪相屬合;轉轴穿設於套管與第二齒輪;固定裝置固定 於套管内並套設於轉軸。藉由驅動裝置以驅動複數個轉轴,以同時控制多 支葉片,使料能於不同風速時皆_整到最侧攻角,⑽風能最有效 201014970 的轉換成電能,並且於風力發電機停機而處於高風速時,調整草片傾角, 以避免風力發電機之葉片因強風而損毀。 茱丹冉 【實施方式】 纽為使β查委員對本卿之結獅徵及所達成之功效有更進一步 之瞭解與認識’謹佐以較佳之實施例及配合詳細之說明,說明如後: 構第三圓’其係為本發明較佳實施例之料則控制機 ❹ m 示輯、⑼糊控·構之讀酸分解圖; 如圖·,本發明之葉片傾角控制機構設置於-套合結構10,套合结構10 葉片傾角控制機構包含—驅動裝置2G、—第—齒輪30、 == 個轉轴5°與複數個固定裝置60,驅動裝置20固 30相嚷1㈣弟一齒輪30套設於驅動裝置20 ;第二齒輪40與第一齒輪 =轉轴50穿設於套管12與第二齒輪4G ; _置 管12内並套設轉軸5〇。 發電是Γ_έ 5_胸_,使雜5G _接設風力 '纟明亦可使用多個轉軸50。本發明藉由驅動裝置20帶動 40合笛魯使第—齒輪3〇帶動第二齒輪4〇。而轉轴50穿設於第二齒輪 置2〇H 轉動時,轉軸5G將隨著第二齒輪4G轉動。因此驅動裝 5 w動風力發電機賴義。藉由賺以 ,以_制多機,使_於™速時皆能調 之而w角,u將風能最有效的轉換成電能,並且於風力發電機停機 毁。處於域速時’健郁傾肖,明免風力發職之料因強風而損 圖^圖—r參閱第—四圖與第五圖,其係為本發明固定裝置之立體圖與分解 固定座62 裝置6G包含一固定座62 軸承組64與—鎖固件66, 套設於轉2 2内並套設於轉轴5〇 ;轴承組64設於固定座62並 、 ,伽件66套設於轉軸5G。本發明更包含—密封結構68, 201014970 =:8 Γ抽承組64 ’密封結構68包含-第-密封件第二 密封件684,第-密封件682套設轉軸5〇並設於 。 684 50 64 6; ^〇62 之 軸承,、且64包含-第-軸承642與一第二轴承祕,第一 ^62第並5〇,第—密封件682位於第—轴承642與; 於第—軸承642並套設於轉軸5G,第:密封件_ =於第二軸承644與鎖固件66之間。而本發明更包含-第三密封件哪, 第二被封件686套設於轉軸5〇並位於第一軸承⑽與第二抽承⑽之間。ΓSpecialized transmission, or industrial equipment, etc., all improve people's quality of life. However, many of them make life inconvenient. Therefore, electricity == instrumentation or equipment, etc., must be operated by electricity. If power is lacking, these machines, instrument benefits, power, communication devices, etc. will be shut down and can be one of our indispensable energy sources. At present, most of the world's energy is using oil or coal, and oil or coal is not inexhaustible. If you are not actively looking for alternative energy sources, when the oil or coal is exhausted, the world will fall into the energy crisis. In order to serve the current source crisis, various renewable energy sources such as wind power, solar power, geothermal power, and tidal power are being developed. In the case of wind power generation, wind power generation is driven by moth force to convert wind power into electricity. In the process of conversion, the forest will produce carbon dioxide and any pollutants, so many countries have invested heavily in research. In the case of a wind (four) machine that converts the kinetic energy of the wind into mechanical energy, the inclination of the blade is quite important; if the blade is at a proper inclination, and the wind blows the blade, the blade can produce a larger moment 'relatively, the generator will also The amount of electricity generated. If the wind is mixed - the situation will be fixed t the generator's output power will be maintained - fixed. However, the wind speed will vary with the seasons of the season. It is impossible to maintain it. When the wind speed is too high, the blades will rotate at high speed and the generator will be easily damaged. Therefore, some of the balance will reduce the generator speed by the speed control device to avoid generator damage. However, under the control of the speed control device, the generator cannot be driven at the rated power. Therefore, when the wind speed reaches the stop wind speed, the generator will stop operating immediately, so that the blades are no longer 5 201014970 __ High off. Lai scales ^ stop to blow the stationary blades. This will increase the chance of damage to the car. = The speed changes the blade to the most of her angle, so that if the wind direction and the wind can reduce the probability of blade damage (9), the turning torque is small, so that if the generator is at low wind speed, the blade rotates slowly; The power generation is reduced to a lower wind speed, when the kinetic energy from the wind is lower than the minimum movement of the rotation is promoted. If the scale can touch the piece of the film, let the age of the leaf wind speed increase, and emit light electrolysis with light wind speed. - Accordingly, the present invention provides a wind turbine blade pitch control mechanism that controls the tilt angle of the controllable piece to control the rotational speed of the wind turbine at high wind scales, allowing the rated power of the generator = = to maintain -^ 'and avoid When the generator stops at the wind speed and the blades stop running, the blades are strong: the team hits _, which is more timid and less windy, and improves the efficiency of the blazing and electric power, such as the problem described.穴上 [Summary of the Invention] The main purpose of the present invention is to provide a __piece (10) control mechanism, which is laid by the - drive scale (10), the number of shafts, and the time control (four) blades, so that the seal can be adjusted at different wind speeds. To the best angle of attack, the most efficient conversion of wind energy into electrical energy, and when the wind turbine is stopped and at high wind speed, adjust the blade inclination to avoid the wind turbine blades being damaged by strong wind. The blade inclination control mechanism of the present invention is provided in a set structure, the sleeve structure has a plurality of sleeves, and the blade inclination control mechanism comprises a driving device, a first gear, a plurality of second gears and a plurality of shafts. The driving M is set in the sleeve (4); the first recording sleeve is arranged on the driving device; the second gear is matched with the first gear; the rotating shaft is disposed in the sleeve and the second gear; the fixing device is fixed in the sleeve and sleeved on Rotating shaft. The driving device drives a plurality of rotating shafts to simultaneously control the plurality of blades, so that the material can be converted to the maximum side angle of attack at different wind speeds, (10) the most effective wind energy is converted into electric energy in 201014970, and the wind power generator When the machine is at a high wind speed during shutdown, adjust the inclination of the blades to prevent the blades of the wind turbine from being damaged by strong winds.茱丹冉 [Implementation] New is to enable the Qi Chau Committee to have a better understanding and understanding of the lion's levy and the effect achieved by the clerk's syllabus, with a better example and a detailed explanation, as explained below: The third circle 'is the control device ❹ m of the preferred embodiment of the present invention, and (9) the paste acid control structure of the paste control structure; as shown in the figure, the blade inclination control mechanism of the present invention is set in the sleeve Structure 10, the nesting structure 10 The blade inclination control mechanism comprises a driving device 2G, a first gear 30, a = 5 shaft and a plurality of fixing devices 60, a driving device 20 solid 30 phase 1 (four) a gear 30 sets The second gear 40 and the first gear=rotor shaft 50 are disposed in the sleeve 12 and the second gear 4G; the tube 12 is disposed inside the sleeve 12 and the rotating shaft 5 is sleeved. The power generation is Γ_έ 5_胸_, and the hybrid 5G _ is connected to the wind. According to the present invention, the first gear 3 is driven by the driving device 20 to drive the second gear 4〇. When the rotating shaft 50 is rotated through the second gear set 2〇H, the rotating shaft 5G will rotate with the second gear 4G. Therefore, the drive is equipped with 5W wind turbines. By earning, the _ system is multi-machined, so that the _ can be adjusted at the speed of the TM and the w angle, u converts the wind energy into electric energy most efficiently, and the wind turbine is shut down. At the time of the domain speed, the sturdy and sturdy, the material of the wind-free service is damaged by the strong wind. Figure-r Refer to the fourth-fifth and fifth-figure drawings, which are the perspective view and the disassembly fixture 62 of the fixing device of the present invention. The device 6G includes a fixing base 62 bearing set 64 and a locking member 66, and is sleeved in the rotating shaft 2 2 and sleeved on the rotating shaft 5〇; the bearing set 64 is disposed on the fixing base 62, and the gamma piece 66 is sleeved on the rotating shaft 5G. The present invention further includes a sealing structure 68, 201014970 =:8. The Γ-pushing group 64' sealing structure 68 includes a --seal second sealing member 684, and the first-seal member 682 is disposed on the rotating shaft 5''. 684 50 64 6; ^ 〇 62 bearing, and 64 includes - the first bearing 642 and a second bearing secret, the first ^ 62 and 5 〇, the first sealing member 682 is located in the first bearing 642 and; The bearing 642 is sleeved on the rotating shaft 5G, and the sealing member _ is between the second bearing 644 and the locking member 66. The present invention further includes a third seal member, and the second seal member 686 is sleeved on the rotating shaft 5 〇 and located between the first bearing (10) and the second pumping member (10).

❹ 另外,本發明更包含-固定件69,固定件69套設於轉軸5〇並位 64與鎖固件66之間。 一於組設本_之蚊健6叫,魏制Μ 62套設於触5。,第 一密封件682、第一軸承642、第三密封件、第二軸承644、第二密封 件684、固定件69與鎖固件66,固定座62是為了防止轴承組64於風機運 轉過程中受離心力作用而朝徑向方向脫離機構,因此使用固定座62以將轴 承組64固定。 又,考慮到風力發電機架設及運轉皆暴露在一般自然環境下 ,為了不 使軸承組64之使用壽命因外界雜質污染而減短,因此於安裝轴承組64之 位置兩侧設計第一密封件682與第二密封件68[第一密封件682與第二密 封件684為油封(〇ii seal),藉由油封以隔離外界污染。 另外,為了讓轉轴50更為牢固的設置,因此套設固定件69,之後再以 鎖固件66鎖固。而固定件69設有一卡扣部卯2,轉軸50之側邊設有卡槽 54 ’當固定件69套設於轉軸5〇時,卡扣部692卡於卡槽54。如此更可增 加轉軸50的牢固性。 請一併參閱第六圖,其係為本發明較佳實施例之驅動裝置20與第一齒 輪之結構不意圖;如圖所示,駆動裝置更私〆馬達22 ’馬達22具有 一轴心222,第一齒輪30套設於軸心222。轴心222側邊設有至少一第一 凸塊2222,第一齒輪30内設有至少一第一凹槽32,第一凸塊2222設於第 201014970 =====較為獅設置於軸靖。之後再以 如於‘_ t ft :辦熱50時,第二凸塊 匕炅了增加弟一齒輪40設置的牢固性。 具有複數個套管,構==構’套合結構Further, the present invention further includes a fixing member 69 which is sleeved between the rotating shaft 5 and the position 64 and the locking member 66. In the group set up this _ the mosquito health 6 call, Wei system 62 sets set at touch 5. a first sealing member 682, a first bearing member 642, a third sealing member, a second bearing 644, a second sealing member 684, a fixing member 69 and a locking member 66. The fixing seat 62 is for preventing the bearing assembly 64 from being operated during the operation of the fan. The mechanism is disengaged in the radial direction by the centrifugal force, so the fixing seat 62 is used to fix the bearing set 64. Moreover, considering that the wind turbine erection and operation are exposed to the general natural environment, in order not to shorten the service life of the bearing set 64 due to external impurity contamination, the first seal is designed on both sides of the position where the bearing set 64 is mounted. 682 and the second sealing member 68 [the first sealing member 682 and the second sealing member 684 are oil seals, which are sealed by an oil seal to isolate external pollution. Further, in order to make the rotating shaft 50 more securely set, the fixing member 69 is sleeved and then locked with the locking member 66. The fixing member 69 is provided with a locking portion ,2, and the side of the rotating shaft 50 is provided with a card slot 54'. When the fixing member 69 is sleeved on the rotating shaft 5〇, the locking portion 692 is engaged with the card slot 54. This further increases the robustness of the shaft 50. Please refer to the sixth figure, which is a schematic diagram of the structure of the driving device 20 and the first gear according to the preferred embodiment of the present invention; as shown, the swaying device is more private than the motor 22 'the motor 22 has an axis 222 The first gear 30 is sleeved on the shaft center 222. At least one first protrusion 2222 is disposed on a side of the shaft 222, and at least one first groove 32 is disposed in the first gear 30. The first protrusion 2222 is disposed at the 201014970 ===== . Then, as in ‘_t ft: when the heat is 50, the second bump smashes the firmness of the set of the gear 40. With a plurality of casings, the structure == structure's nested structure

管内;一第-齒輪套設於驅動動裝置固定於套 轉轴穿設於套管與第-奋輪.触/4輪與第一齒輪相餐合,·複數個 藉由-馳^固定裝置固定於套管内並套設轉軸。 、⑽練數個她,關時控制乡it#, 國專利法所規定之專利疑進步性及可供產業利用者,應符合我 局早曰賜准專利,至感為禱。魏法提出發明專利申請’祈鈞 實施者’僅為本伽之—較佳實施例而6,並非絲限林發明 :之均等變化與修飾,均應包括於本發明之申請補範圍内。’ 【圖式簡單說明】 第-圖意為圓本發曝佳實施例之料傾脸制機構設置於套合結構之結構示 ί二圖為本發明較佳實施例之葉片傾角控制機構之立體圖; 第二圖為本發明較佳實施例之葉片傾角控制機構之分解圖; 第四圖為本發明固定裝置之立體圊; 第五圖為本發明固定裝置之分解圖;以及 第六圖為本發明較佳實施例之驅動裝置與第—齒輪之結構示意圖。 201014970Inside the tube; a first-gear sleeve is arranged on the driving mechanism and fixed on the sleeve rotating shaft and is arranged on the sleeve and the first-fun wheel. The touch/4 wheel is combined with the first gear, and the plurality of fixing devices are fixed by Fixed in the sleeve and sleeved with the shaft. (10) Train several of her, Guanshi control township it#, the patent suspicion of the patent law as stipulated by the National Patent Law and the use of the industry, should be in line with the patents granted by the Bureau. Weifa's invention patent application 'praying implementer' is only for the purpose of this gamma - the preferred embodiment and not the singularity of the invention: the equivalent changes and modifications are included in the scope of the application of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS The first embodiment of the present invention is a perspective view of a blade tilting control mechanism according to a preferred embodiment of the present invention. The second drawing is an exploded view of the blade inclination control mechanism of the preferred embodiment of the present invention; the fourth drawing is a perspective view of the fixing device of the present invention; and the fifth drawing is an exploded view of the fixing device of the present invention; A schematic view of the structure of the driving device and the first gear of the preferred embodiment of the invention. 201014970

【主要元件符號說明】 10 套合結構 12 套管 20 驅動裝置 22 馬達 222 轴心 2222 第一凸塊 30 第一齒輪 32 第一凹槽 40 第二齒輪 42 第二凹槽 50 轉軸 52 第二凸塊 54 卡槽 60 固定裝置 62 固定座 64 轴承組 644 第二軸承 642 第一軸承 66 鎖固件 68 密封結構 682 第一密封件 684 第二密封件 686 第三密封件 69 固定件 692 卡扣部 70 阻擋件[Main component symbol description] 10 Fitting structure 12 Sleeve 20 Driving device 22 Motor 222 Axis 2222 First bump 30 First gear 32 First groove 40 Second gear 42 Second groove 50 Rotary shaft 52 Second convex Block 54 Card slot 60 Fixing device 62 Mounting seat 64 Bearing set 644 Second bearing 642 First bearing 66 Locking 68 Sealing structure 682 First seal 684 Second seal 686 Third seal 69 Fixing piece 692 Buckle 70 Blocker

Claims (1)

201014970 十、申請專利範圍: 1. 一種葉片傾角控制機構,其係設置於一套合結構,該套合結構具有複數 個套管’該葉片傾角控制機構包含: 一驅動裝置,固定於該套管内; 一第一齒輪,套設於該驅動裝置; 複數個第二齒輪,與該第一齒輪相嚷合; 複數個轉軸,穿設該套管與該第二齒輪;以及 複數個固定裝置,固定於該套管内並套設於該轉軸。 e ❹ 2. 如申請專利範圍第i項所述之葉片傾角控制機構,其中該 一固定座,固定於該套管内並套設於該轉軸; 、置. 一軸承組,設於該固定座並套設該於轉軸;以及 一鎖固件,套設於該轉軸。 3· 範圍第2項所述之葉片傾角控制機構,更包含_密封結構, βχ於该軸承組’該密封結構包含: -第-f封件,套設該轉軸並設於該軸承組與該固定座之間;以及 第-役封件’套設該轉軸並設於該轴承組與該鎖固件 4·如-申二專:f?3撕之葉片傾角控制機構,其中該軸日承組包含: 軸承與該固定座之間;以及 ㈣件位於該第 -第H設於該第—軸承並套設該轉軸,該第二 二軸承與該鎖(U件之間。 财位於J第 5. 咖第4項所述之葉糊控制機構,更包含-第一密封 件,該第二密封件套設於該轉軸並 第一 7如固申定^则轉轴並位於該軸承組與_固件之^3 —固定件,該 7.如申轉專利範圍第6項所述之葉片傾角 卡扣部,該轉軸50之側邊設有-卡槽,針扣部設;:::槽定件設有一 201014970 8. 如申請專利範圍第1項所述之葉片傾角控制機構,其中該驅動裝置更包 一馬達,該馬達具有一轴心,該第一齒輪套設於該轴心。 9. 如申請專利範圍第8項所述之葉片傾角控制機構,其中該驅動裝置更包 一阻擋件,該阻擋件設於該軸心上方。 10. 如申請專利範圍第8項所述之葉片傾角控制機構,其中該軸心側邊設有 至少一第一凸塊,該第一齒輪内設有至少一第一凹槽,該第一凸塊設於 該第一凹槽。 11. 如申請專利範圍第1項所述之葉片傾角控制機構,其中該轉軸側邊設有 至少一第二凸塊,該第二齒輪内設有至少一第二凹槽,該第二凸塊設於 該第二凹槽。201014970 X. Patent application scope: 1. A blade inclination control mechanism, which is disposed in a set structure, the sleeve structure has a plurality of sleeves. The blade inclination control mechanism comprises: a driving device fixed in the sleeve a first gear is sleeved on the driving device; a plurality of second gears are coupled to the first gear; a plurality of rotating shafts are disposed through the sleeve and the second gear; and a plurality of fixing devices are fixed The sleeve is sleeved in the sleeve. e ❹ 2. The blade inclination control mechanism according to claim i, wherein the fixing seat is fixed in the sleeve and sleeved on the rotating shaft; and a bearing set is disposed in the fixing seat The sleeve is disposed on the rotating shaft; and a locking fastener is sleeved on the rotating shaft. 3. The blade pitch control mechanism of the second aspect, further comprising a sealing structure, wherein the sealing structure comprises: - a -f seal, the shaft is sleeved and disposed on the bearing set and the bearing set Between the fixing seat; and the first-serving member's set of the rotating shaft and disposed on the bearing set and the locking member 4, such as - Shen 2: f? 3 tearing blade inclination control mechanism, wherein the shaft daily group The method comprises: a bearing and the fixing seat; and (4) a piece located at the first-th Hth of the first bearing and sleeved with the rotating shaft, the second two bearing and the lock (between the U pieces. The leaf paste control mechanism according to Item 4, further comprising a first sealing member, the second sealing member is sleeved on the rotating shaft and the first 7 is fixed to the rotating shaft and located in the bearing group and _ Firmware ^3 - fixing member, the blade angle locking portion according to item 6 of the patent application scope, the side of the rotating shaft 50 is provided with a card slot and a pin buckle portion; 8. The blade inclination control mechanism according to claim 1, wherein the driving device further comprises a motor, the motor device The first gear is disposed on the shaft center. The blade inclination control mechanism according to claim 8, wherein the driving device further includes a blocking member, and the blocking member is disposed on the shaft center. 10. The blade pitch control mechanism of claim 8, wherein the axial center side is provided with at least one first protrusion, and the first gear is provided with at least one first groove, the first A blade pitch control mechanism according to the first aspect of the invention, wherein the side of the rotating shaft is provided with at least one second protrusion, and the second gear is provided with at least one second a second recess is disposed in the second recess.
TW97139428A 2008-10-14 2008-10-14 Mechanism to control the inclination angle of blades TW201014970A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9109579B2 (en) 2011-11-25 2015-08-18 Industrial Technology Research Institute Windmill and hub sealing apparatus thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9109579B2 (en) 2011-11-25 2015-08-18 Industrial Technology Research Institute Windmill and hub sealing apparatus thereof

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