CN114183544A - 一种用于大型环境风洞高温转轴动密封旋转连杆机构组件 - Google Patents

一种用于大型环境风洞高温转轴动密封旋转连杆机构组件 Download PDF

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CN114183544A
CN114183544A CN202210143700.0A CN202210143700A CN114183544A CN 114183544 A CN114183544 A CN 114183544A CN 202210143700 A CN202210143700 A CN 202210143700A CN 114183544 A CN114183544 A CN 114183544A
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connecting rod
bearing seat
blade
wind tunnel
shell
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CN114183544B (zh
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王睿
虞择斌
高鑫宇
蔡清青
谢强
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Equipment Design and Testing Technology Research Institute of China Aerodynamics Research and Development Center
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • F16K1/221—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves specially adapted operating means therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • F16K1/223—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves with a plurality of valve members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • F16K1/224—Details of bearings for the axis of rotation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • F16K1/226—Shaping or arrangements of the sealing
    • F16K1/2268—Sealing means for the axis of rotation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves
    • F16K27/0209—Check valves or pivoted valves
    • F16K27/0218—Butterfly valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
    • F16K31/041—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves
    • F16K31/043—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K41/00—Spindle sealings
    • F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
    • F16K41/023—Spindle sealings with stuffing-box ; Sealing rings for spindles which only rotate, i.e. non-rising spindles
    • F16K41/026—Spindle sealings with stuffing-box ; Sealing rings for spindles which only rotate, i.e. non-rising spindles for rotating valves
    • 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

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  • Mechanical Engineering (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
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Abstract

本发明属于风洞试验技术领域，公开了一种用于大型环境风洞高温转轴动密封旋转连杆机构组件。该旋转连杆机构组件的壳体为方形框体，上轴承座和驱动装置安装在壳体的上表面，下轴承座安装在壳体的下表面；叶片组件竖直并列排列在壳体的方形框体内腔中；叶片组件应用博格曼密封件与平行四边形机构的组合，通过驱动装置驱动在‑45°～+45°同步转动，实现大型环境风洞洞体通气率的连续可调，无需手动操作，经济实用，降低了试验成本。该旋转连杆机构组件采用机电一体化设计，结构紧凑、操作简便、免去了人力操作的问题，提高了试验效率。

Description

一种用于大型环境风洞高温转轴动密封旋转连杆机构组件
技术领域
本发明属于风洞试验技术领域，具体涉及一种用于大型环境风洞高温转轴动密封旋转连杆机构组件。
背景技术
首先，在现有风洞结构设计中，常规风洞结构的动密封通常是使用O型圈密封、油封密封、迷宫密封或毛刷密封，此类密封首先可靠性低、使用寿命短、摩擦功率消耗大、维修周期短、对旋转轴的振动、偏摆较为敏感；其次无法达到零泄漏的密封要求，因此并不适合长时期在环境风洞高温（-10℃～112℃）、高密封性（3%过氧化氢消毒剂或模拟剂等腐蚀性介质）、大湿度范围：20％～80％（0～40℃）的试验状态中使用。
其次，在现有风洞结构设计中，转动的设计通常是使用电机、减速机驱动齿轮或者蜗杆转动，进而得到齿轮或者蜗轮的转动运动。如果需要多个转轴同时转动，也就需要安装相同数量的驱动装置，该方案缺点是驱动点数量多，控制同步性差，控制系统复杂，同时制作成本高。如果结构上采用传统平行四边形机构，利用平行四边形机构平行轴间的同向等角速传动，可以解决单驱动、多转轴转动同步性的问题，但由于传统平行四边形机构在连杆的连接部位只有一个旋转自由度，受到加工或安装误差等因素影响，难以确保机构运动平稳无别卡。
当前，亟需发展一种用于大型环境风洞高温转轴动密封旋转连杆机构组件。
发明内容
本发明所要解决的技术问题是提供一种用于大型环境风洞高温转轴动密封旋转连杆机构组件。
本发明的用于大型环境风洞高温转轴动密封旋转连杆机构组件，其特点是，所述的旋转连杆机构组件包括连杆a、连杆b、连杆c、连杆d、壳体、叶片组件、上端盖、上轴承座、博格曼机械密封件、O型密封圈a、O型密封圈b、不锈钢基自润滑轴承、下轴承座、下端盖和驱动装置；
所述的壳体为方形框体，上轴承座和驱动装置安装在壳体的上表面，下轴承座安装在壳体的下表面；
所述的叶片组件包括N组，N≥1，每组2个叶片，共2N个叶片；叶片组件竖直并列排列在壳体的方形框体内腔中，叶片组件的上下两端通过不锈钢基自润滑轴承分别连接于上轴承座与下轴承座上，并通过O型密封圈b密封；博格曼机械密封件安装于叶片组件的叶片圆轴段，并通过上端盖连接在上轴承座上；下端盖通过O型密封圈a密封连接在下轴承座上；
所述的连杆a有1个，连杆c有2N-1个，连杆b有N个，连杆d有N-1个；
叶片组件与驱动装置连接的一组叶片，2个叶片的上端分别通过方形孔轴与连杆a和1个连杆c转动连接，连杆a、1个连杆c和1个连杆b构成1个位于水平平面的平行四边形机构；剩余的各组叶片，2个叶片的上端分别通过方形孔轴与2个连杆c转动连接，每2个连杆c和1个连杆b构成剩余的N-1个位于水平平面的平行四边形机构；各叶片的下端均插入并固定在不锈钢基自润滑轴承的中心轴上；
N组平行四边形机构通过N-1个连杆d前后串联连接，形成位于水平平面的并列的平行四边形机构；驱动装置驱动连杆a往返运动，通过连杆a带动叶片组件在-45°～+45°范围内进行旋转运动，实现大型环境风洞洞体通气率的连续可调。
进一步地，连杆c的上端为球形铰链，下端为固定端；连杆b、连杆d和连杆a的两端均为球形铰链。
进一步地，所述的驱动装置为电动缸。
本发明的用于大型环境风洞高温转轴动密封旋转连杆机构组件通过应用博格曼密封件与平行四边形机构的组合，以电动缸作为驱动元件，解决了在高温、腐蚀介质、大湿度范围中多个叶片的同步转动以及密封的问题，从而降低了结构复杂程度，提高了风洞设备运行的安全性。
本发明的用于大型环境风洞高温转轴动密封旋转连杆机构组件通过电动缸驱动连杆往复运动，使得叶片组件同时转动，实现大型环境风洞洞体通气率的连续可调，无需手动操作，经济实用，降低了试验成本。本发明采用机电一体化设计，结构紧凑、操作简便、免去了人力操作的问题，提高了试验效率。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本发明的用于大型环境风洞高温转轴动密封旋转连杆机构组件的结构示意图（立体图）；
图2为本发明的用于大型环境风洞高温转轴动密封旋转连杆机构组件中的连杆结构示意图（俯视图）；
图3为本发明的用于大型环境风洞高温转轴动密封旋转连杆机构组件的结构示意图（侧视剖面图-上部）；
图4为本发明的用于大型环境风洞高温转轴动密封旋转连杆机构组件的结构示意图（侧视剖面图-下部）。
图中，1-1.连杆a；1-2.连杆b；1-3.连杆c；1-4.连杆d；2.壳体；3.叶片组件；4.上端盖；5.上轴承座；6.博格曼机械密封件；7-1.O型密封圈a；7-2.O型密封圈b；8.不锈钢基自润滑轴承；9.下轴承座；10.下端盖；11.驱动装置；
3-1.第1叶片；3-2.第2叶片；3-3.第3叶片；3-4.第4叶片；3-5.第5叶片；3-6.第6叶片；3-7.第7叶片；3-8.第8叶片。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员所获得的所有其他实施例，都属于本发明保护的范围。
下面结合附图和实施例对本发明做进一步说明。
实施例1
本实施例的驱动装置11为电动缸，取N=4，叶片组件3有8个叶片。
如图1~图4所示，本实施例的用于大型环境风洞高温转轴动密封旋转连杆机构组件包括连杆a1-1、连杆b1-2、连杆c1-3、连杆d1-4、壳体2、叶片组件3、上端盖4、上轴承座5、博格曼机械密封件6、O型密封圈a7-1、O型密封圈b7-2、不锈钢基自润滑轴承8、下轴承座9、下端盖10和驱动装置11；
叶片组件3上下两端通过不锈钢基自润滑轴承8分别连接于上轴承座5与下轴承座9上；
上轴承座5、下轴承座9分别连接于壳体2上，并通过O型密封圈b7-2密封；
博格曼机械密封件6安装于叶片组件3圆轴段，并通过上端盖4连接在上轴承座5上；
下端盖10通过O型密封圈a7-1密封连接在下轴承座9上；
连杆a1-1中部方形孔与叶片组件3方形轴固定连接，连杆a1-1一端与连杆b1-2球形铰链连接，连杆a1-1另一端与驱动装置11（电动缸）球形铰链连接；
连杆c1-3一端与叶片组件3通过方形孔轴固定连接，连杆c1-3另一端与连杆b1-2球形铰链连接。
叶片组件3的第1叶片3-1、第2叶片3-2的上端通过1个连杆b1-2与1个连杆c1-3连接成第1组平行四边形机构，第3叶片3-3、第4叶片3-4的上端通过连杆a1-1与1个连杆c1-3连接成第2组平行四边形机构，第5叶片3-5、第6叶片3-6的上端通过1个连杆b1-2与1个连杆c1-3连接成第3组平行四边形机构，第7叶片3-7、第8叶片3-8的上端通过1个连杆b1-2与1个连杆c1-3连接成第4组平行四边形机构；通过连杆d1-4将第1组和第2组平行四边形机构、第2组和第3组平行四边形机构、第3组和第4组平行四边形机构依次连接。各叶片的下端均插入并固定在不锈钢基自润滑轴承8的中心轴上。
本实施例通过合理的结构，环境风洞洞体高温转轴动密封旋转连杆机构组件实现了在高温（-10℃～112℃）、腐蚀介质（3%过氧化氢消毒剂或模拟剂）、大湿度范围：20％～80％（0～40℃）中8个叶片的同步转动（-45°～+45°）以及密封的问题，从而降低了结构复杂程度，提高了风洞设备运行的安全性。
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (3)

1.一种用于大型环境风洞高温转轴动密封旋转连杆机构组件，其特征在于，所述的旋转连杆机构组件包括连杆a（1-1）、连杆b（1-2）、连杆c（1-3）、连杆d（1-4）、壳体（2）、叶片组件（3）、上端盖（4）、上轴承座（5）、博格曼机械密封件（6）、O型密封圈a（7-1）、O型密封圈b（7-2）、不锈钢基自润滑轴承（8）、下轴承座（9）、下端盖（10）和驱动装置（11）；
所述的壳体（2）为方形框体，上轴承座（5）和驱动装置（11）安装在壳体（2）的上表面，下轴承座（9）安装在壳体（2）的下表面；
所述的叶片组件（3）包括N组，N≥1，每组2个叶片，共2N个叶片；叶片组件（3）竖直并列排列在壳体（2）的方形框体内腔中，叶片组件（3）的上下两端通过不锈钢基自润滑轴承（8）分别连接于上轴承座（5）与下轴承座（9）上，并通过O型密封圈b（7-2）密封；博格曼机械密封件（6）安装于叶片组件（3）的叶片圆轴段，并通过上端盖（4）连接在上轴承座（5）上；下端盖（10）通过O型密封圈a（7-1）密封连接在下轴承座（9）上；
所述的连杆a（1-1）有1个，连杆c（1-3）有2N-1个，连杆b（1-2）有N个，连杆d（1-4）有N-1个；
叶片组件（3）与驱动装置（11）连接的一组叶片，2个叶片的上端分别通过方形孔轴与连杆a（1-1）和1个连杆c（1-3）转动连接，连杆a（1-1）、1个连杆c（1-3）和1个连杆b（1-2）构成1个位于水平平面的平行四边形机构；剩余的各组叶片，2个叶片的上端分别通过方形孔轴与2个连杆c（1-3）转动连接，每2个连杆c（1-3）和1个连杆b（1-2）构成剩余的N-1个位于水平平面的平行四边形机构；各叶片的下端均插入并固定在不锈钢基自润滑轴承（8）的中心轴上；
N组平行四边形机构通过N-1个连杆d（1-4）前后串联连接，形成位于水平平面的并列的平行四边形机构；驱动装置（11）驱动连杆a（1-1）往返运动，通过连杆a（1-1）带动叶片组件（3）在-45°～+45°范围内进行旋转运动，实现大型环境风洞洞体通气率的连续可调。
2.根据权利要求1所述的用于大型环境风洞高温转轴动密封旋转连杆机构组件，其特征在于，连杆c（1-3）的上端为球形铰链，下端为固定端；连杆b（1-2）、连杆d（1-4）和连杆a（1-1）的两端均为球形铰链。
3.根据权利要求1所述的用于大型环境风洞高温转轴动密封旋转连杆机构组件，其特征在于，所述的驱动装置（11）为电动缸。
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