CN112762179A - 一种便于在线维修的超低温蝶阀 - Google Patents
一种便于在线维修的超低温蝶阀 Download PDFInfo
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- 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
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- 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
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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
- F16K1/226—Shaping or arrangements of the sealing
- F16K1/228—Movable sealing bodies
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- 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
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
- F16K31/535—Mechanical actuating means with toothed gearing for rotating valves
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- 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
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- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
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Abstract
本发明公开了一种便于在线维修的超低温蝶阀,具体涉及超低温蝶阀技术领域,包括阀体,所述阀体内转动连接有阀杆,所述阀杆下部外壁固定套接有阀门,所述阀体下部内开设有密封圈槽,所述阀门内安装有活动密封组件,所述阀杆下部安装有填料组件。本发明通过活动密封组件的设置,可推动弹性橡胶圈外伸或内缩与密封圈槽滑动卡接或分开,便于使阀门与密封圈槽密封或打开,防止阀门卡阻,密封性强,自动化程度高,便于拆装,安全性低,维修难度低,通过填料组件的设置,可控制开关门可的开关,便于多片式四氟填料的拿取和密封,方便了蝶阀维修和更换工作的进行,增加了阀门的可靠性,防止填料的泄露,安全性强,实用性高。
Description
技术领域
本发明实施例涉及超低温蝶阀技术领域,具体涉及一种便于在线维修的超低温蝶阀。
背景技术
随着经济发展,对工业自动化控制水平的要求在不断提高,阀门所面临的使用工况也更加复杂、苛刻,如空气分离设备中若出现氢、氧外漏可能产生爆炸,酿成重大灾难,这就对超低温工况下阀杆的密封性能及其可靠性提出了更高的要求。
现有侧装球阀阀体多为左右两片式或三片式结构,左右阀体之间设有垫片以螺栓预紧密封,但阀体密封处易受管道应力影响,轻则密封处泄漏、严重时两端阀座将球体抱死,阀门卡阻无法启闭,维修时,需要拆下螺栓再将阀门从管道上拿下,操作复杂,安全性低,维修难度大。
在现技术中,传统深冷阀门通常采用普通填料函中装有低温四氟填料的密封结构。由于普通填料函距离阀腔太近,无法有效隔离低温,且多片式四氟填料从填料函中取出困难,给维修和更换工作造成很大不便,另外四氟填料耐高温性能差,不具备防火能力,当火灾发生时容易造成可燃介质泄漏,带来严重后果,阀门的可靠性、稳定性缺乏保证,甚至影响整套系统安全运行,造成巨大经济损失。
发明内容
为此,本发明实施例提供一种便于在线维修的超低温蝶阀,通过活动密封组件的设置,可推动弹性橡胶圈外伸或内缩与密封圈槽滑动卡接或分开,便于使阀门与密封圈槽密封或打开,防止阀门卡阻,密封性强,自动化程度高,便于拆装,安全性低,维修难度低,通过填料组件的设置,在转轴、连杆和拉力弹簧的限位作用下,开关门可转动打开,而在回位弹簧的弹力作用下,卡筒上升,可使开关门重新与阀杆密封,卡筒对开关门进行套接加固,便于多片式四氟填料的拿取和密封,方便了蝶阀维修和更换工作的进行,增加了阀门的可靠性,防止填料的泄露,安全性强,实用性高,以解决现有技术中由于阀体之间用垫片和螺栓预紧密封,易受管道应力影响泄漏,使球体抱死,阀门卡阻,维修操作复杂,安全性低,维修难度大,多片式四氟填料从填料函中取出困难,给维修和更换工作造成很大不便,阀门的可靠性低,易造成可燃介质泄漏,安全性差的问题。
为了实现上述目的,本发明实施例提供如下技术方案:一种便于在线维修的超低温蝶阀,包括阀体,所述阀体内转动连接有阀杆,所述阀杆下部外壁固定套接有阀门,所述阀体下部内开设有密封圈槽,所述阀门内安装有活动密封组件,所述阀杆下部安装有填料组件;
所述活动密封组件包括基准轴,所述基准轴后部外壁固定套接有半蜗轮,所述阀门后壁上下均固定连接有安装块,两块所述安装块间转动连接有蜗杆,所述基准轴前部外壁固定套接有转盘,所述转盘内等距开设有六个滑槽,六个所述滑槽内均滑动连接有滑销,六个所述滑销前端外壁均固定套接有滑竿,所述阀门内壁等距固定连接六个滑轨;
所述填料组件包括开关门,所述开关门上部固定连接有连接球,所述阀体底部内固定连接有限位筒,所述限位筒上壁内开设有卡槽,所述限位筒内壁与卡槽内均滑动连接有卡筒,所述限位筒中部开设有定位槽,竖直方向所述定位槽内滑动连接有支筒,所述定位槽顶部固定连接有微型电动伸缩机,所述支筒中部内开设有导向槽,所述导向槽与定位槽间滑动连接有抬升架,所述卡筒左壁与右壁内固定连接有传动块,所述阀杆下部前壁左右内均固定连接有支座,两个所述支座内均通过转轴转动连接有转座,所述阀杆与开关门下部左壁与右壁内均通过卡销转动套接有连杆,所述阀杆与开关门下部左壁与右壁内均固定连接有基准柱。
进一步地,所述基准轴转动连接在阀门中部。
进一步地,所述蜗杆与半蜗轮外壁啮合连接。
进一步地,六个所述滑竿分别滑动连接在六个滑轨和阀门外壁内,六个所述滑竿外端间固定连接有弹性橡胶圈,所述弹性橡胶圈由高韧性和高弹力的橡胶材料制成,所述弹性橡胶圈与密封圈槽滑动连接。
进一步地,所述卡筒顶部内壁与连接球固定连接。
进一步地,所述定位槽呈十字状,所述微型电动伸缩机输出端与支筒上壁固定连接,所述卡筒下壁中部内与支筒下壁间弹性连接有回位弹簧。
进一步地,所述抬升架左壁与右壁和传动块内壁滑动连接。
进一步地,所述转座外端与上部连杆外壁固定连接,左部与右部的两根所述连杆后端均通过卡销转动连接,所述连杆中部均固定连接有套柱,左部与右部两根所述套柱与基准柱外壁间均弹性套接有拉力弹簧。
本发明实施例具有如下优点:
1、本发明通过活动密封组件的设置,与现有技术相比,通过微型电机或马达等外部转动动力源带动蜗杆转动,蜗杆与半蜗轮啮合传动带动基准轴转动,转盘随之转动,滑销在滑槽内滑动,滑竿沿滑轨同步滑动外伸或内缩,可推动弹性橡胶圈外伸或内缩与密封圈槽滑动卡接或分开,便于使阀门与密封圈槽密封或打开,防止阀门卡阻,密封性强,自动化程度高,便于拆装,安全性低,维修难度低;
2、本发明通过填料组件的设置,与现有技术相比,可通过发动微型电动伸缩机输出端伸缩,控制支筒在定位槽内滑动,从而使抬升架在导向槽内滑动,从而控制抬升架与传动块滑动,使卡筒在卡槽内上升或下降,在卡筒下降过程中拉动连接球下降,连接球内拉线拉动开关门旋转,在转轴、连杆和拉力弹簧的限位作用下,开关门可转动打开,而在回位弹簧的弹力作用下,卡筒上升,可使开关门重新与阀杆密封,卡筒对开关门进行套接加固,便于多片式四氟填料的拿取和密封,方便了蝶阀维修和更换工作的进行,增加了阀门的可靠性,防止填料的泄露,安全性强,实用性高。
附图说明
为了更清楚地说明本发明的实施方式或现有技术中的技术方案,下面将对实施方式或现有技术描述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示例性的,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,还可以根据提供的附图引伸获得其它的实施附图。
本说明书所绘示的结构、比例、大小等,均仅用以配合说明书所揭示的内容,以供熟悉此技术的人士了解与阅读,并非用以限定本发明可实施的限定条件,故不具技术上的实质意义,任何结构的修饰、比例关系的改变或大小的调整,在不影响本发明所能产生的功效及所能达成的目的下,均应仍落在本发明所揭示的技术内容得能涵盖的范围内。
图1为本发明整体结构示意图;
图2为本发明右视结构剖视图;
图3为本发明阀门正视结构剖视图;
图4为本发明阀门后视结构剖视图;
图5为本发明填料组件正面结构剖视图;
图6为本发明卡筒正面结构剖视图;
图7为本发明连杆与拉力弹簧配合结构左视图;
图8为本发明连杆结构左视图。
图中:1、阀体;2、阀杆;3、阀门;4、密封圈槽;5、基准轴;6、半蜗轮;7、安装块;8、蜗杆;9、转盘;10、滑槽;11、滑销;12、滑竿;13、滑轨;14、弹性橡胶圈;15、活动密封组件;16、开关门;17、连接球;18、限位筒;19、卡槽;20、卡筒;21、定位槽;22、支筒;23、微型电动伸缩机;24、导向槽;25、抬升架;26、传动块;27、回位弹簧;28、支座;29、转轴;30、转座;31、卡销;32、连杆;33、套柱;34、基准柱;35、拉力弹簧;36、填料组件。
具体实施方式
以下由特定的具体实施例说明本发明的实施方式,熟悉此技术的人士可由本说明书所揭露的内容轻易地了解本发明的其他优点及功效,显然,所描述的实施例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在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
参照说明书附图1-4,该实施例的一种便于在线维修的超低温蝶阀,包括阀体1,所述阀体1内转动连接有阀杆2,所述阀杆2下部外壁固定套接有阀门3,所述阀体1下部内开设有密封圈槽4,所述阀门3内安装有活动密封组件15,所述阀杆2下部安装有填料组件36;
所述活动密封组件15包括基准轴5,所述基准轴5后部外壁固定套接有半蜗轮6,所述阀门3后壁上下均固定连接有安装块7,两块所述安装块7间转动连接有蜗杆8,所述基准轴5前部外壁固定套接有转盘9,所述转盘9内等距开设有六个滑槽10,六个所述滑槽10内均滑动连接有滑销11,六个所述滑销11前端外壁均固定套接有滑竿12,所述阀门3内壁等距固定连接六个滑轨13。
进一步地,所述基准轴5转动连接在阀门3中部,为转盘9和半蜗轮6提供了安装点。
进一步地,所述蜗杆8与半蜗轮6外壁啮合连接,使半蜗轮6与蜗杆8啮合传动时能带动基准轴5转动,从而带动转盘9转动。
进一步地,六个所述滑竿12分别滑动连接在六个滑轨13和阀门3外壁内,六个所述滑竿12外端间固定连接有弹性橡胶圈14,所述弹性橡胶圈14由高韧性和高弹力的橡胶材料制成,所述弹性橡胶圈14与密封圈槽4滑动连接,使六个滑竿12在滑轨13内滑动时,可推动弹性橡胶圈14外伸或内缩与密封圈槽4滑动密封或打开。
实施场景具体为:通过微型电机或马达等外部转动动力源带动蜗杆8转动,蜗杆8与半蜗轮6啮合传动带动基准轴5转动,转盘9随之转动,滑销11在滑槽10内滑动,滑竿12沿滑轨13同步滑动外伸或内缩,可推动弹性橡胶圈14外伸或内缩与密封圈槽4滑动卡接或分开,便于使阀门3与密封圈槽4密封或打开,防止阀门3卡阻,密封性强,自动化程度高,便于拆装,安全性低,维修难度低,该实施方式具体解决了现有技术中侧装球阀阀体多为左右两片式或三片式结构,左右阀体之间设有垫片以螺栓预紧密封,但阀体密封处易受管道应力影响,轻则密封处泄漏、严重时两端阀座将球体抱死,阀门卡阻无法启闭,维修时,需要拆下螺栓再将阀门从管道上拿下,操作复杂,安全性低,维修难度大的问题。
参照说明书附图5-8,该实施例的一种便于在线维修的超低温蝶阀,所述填料组件36包括开关门16,所述开关门16上部固定连接有连接球17,所述阀体1底部内固定连接有限位筒18,所述限位筒18上壁内开设有卡槽19,所述限位筒18内壁与卡槽19内均滑动连接有卡筒20,所述限位筒18中部开设有定位槽21,竖直方向所述定位槽21内滑动连接有支筒22,所述定位槽21顶部固定连接有微型电动伸缩机23,所述支筒22中部内开设有导向槽24,所述导向槽24与定位槽21间滑动连接有抬升架25,所述卡筒20左壁与右壁内固定连接有传动块26,所述阀杆2下部前壁左右内均固定连接有支座28,两个所述支座28内均通过转轴29转动连接有转座30,所述阀杆2与开关门16下部左壁与右壁内均通过卡销31转动套接有连杆32,所述阀杆2与开关门16下部左壁与右壁内均固定连接有基准柱34。
进一步地,所述卡筒20顶部内壁与连接球17固定连接,便于使卡筒20上升或下降时拉动连接球17,从而拉动开关门16旋转打开。
进一步地,所述定位槽21呈十字状,所述微型电动伸缩机23输出端与支筒22上壁固定连接,所述卡筒20下壁中部内与支筒22下壁间弹性连接有回位弹簧27,定位槽21的竖直方向与水平方向分别为支筒22和抬升架25提供了滑动安装点。
进一步地,所述抬升架25左壁与右壁和传动块26内壁滑动连接,使抬升架25的运动能推动传动块26的抬升下降。
进一步地,所述转座30外端与上部连杆32外壁固定连接,左部与右部的两根所述连杆32后端均通过卡销31转动连接,所述连杆32中部均固定连接有套柱33,左部与右部两根所述套柱33与基准柱34外壁间均弹性套接有拉力弹簧35,使开关门16在连接球17的作用下受拉时在转轴29、连杆32和拉力弹簧35的限位作用下可绕阀杆2旋转打开或闭合。
实施场景具体为:可通过发动微型电动伸缩机23输出端伸缩,控制支筒22在定位槽21内滑动,从而使抬升架25在导向槽24内滑动,从而控制抬升架25与传动块26滑动,使卡筒20在卡槽19内上升或下降,在卡筒20下降过程中拉动连接球17下降,连接球17内拉线拉动开关门16旋转,在转轴29、连杆32和拉力弹簧35的限位作用下,开关门16可转动打开,而在回位弹簧27的弹力作用下,卡筒20上升,可使开关门16重新与阀杆2密封,卡筒20对开关门16进行套接加固,便于多片式四氟填料的拿取和密封,方便了蝶阀维修和更换工作的进行,增加了阀门的可靠性,防止填料的泄露,安全性强,实用性高,该实施方式具体解决了现有技术中传统深冷阀门通常采用普通填料函中装有低温四氟填料的密封结构,由于普通填料函距离阀腔太近,无法有效隔离低温,且多片式四氟填料从填料函中取出困难,给维修和更换工作造成很大不便,另外四氟填料耐高温性能差,不具备防火能力,当火灾发生时容易造成可燃介质泄漏,带来严重后果,阀门的可靠性、稳定性缺乏保证,甚至影响整套系统安全运行,造成巨大经济损失的问题。
虽然,上文中已经用一般性说明及具体实施例对本发明作了详尽的描述,但在本发明基础上,可以对之作一些修改或改进,这对本领域技术人员而言是显而易见的。因此,在不偏离本发明精神的基础上所做的这些修改或改进,均属于本发明要求保护的范围。
Claims (8)
1.一种便于在线维修的超低温蝶阀,包括阀体(1),其特征在于:所述阀体(1)内转动连接有阀杆(2),所述阀杆(2)下部外壁固定套接有阀门(3),所述阀体(1)下部内开设有密封圈槽(4),所述阀门(3)内安装有活动密封组件(15),所述阀杆(2)下部安装有填料组件(36);
所述活动密封组件(15)包括基准轴(5),所述基准轴(5)后部外壁固定套接有半蜗轮(6),所述阀门(3)后壁上下均固定连接有安装块(7),两块所述安装块(7)间转动连接有蜗杆(8),所述基准轴(5)前部外壁固定套接有转盘(9),所述转盘(9)内等距开设有六个滑槽(10),六个所述滑槽(10)内均滑动连接有滑销(11),六个所述滑销(11)前端外壁均固定套接有滑竿(12),所述阀门(3)内壁等距固定连接六个滑轨(13);
所述填料组件(36)包括开关门(16),所述开关门(16)上部固定连接有连接球(17),所述阀体(1)底部内固定连接有限位筒(18),所述限位筒(18)上壁内开设有卡槽(19),所述限位筒(18)内壁与卡槽(19)内均滑动连接有卡筒(20),所述限位筒(18)中部开设有定位槽(21),竖直方向所述定位槽(21)内滑动连接有支筒(22),所述定位槽(21)顶部固定连接有微型电动伸缩机(23),所述支筒(22)中部内开设有导向槽(24),所述导向槽(24)与定位槽(21)间滑动连接有抬升架(25),所述卡筒(20)左壁与右壁内固定连接有传动块(26),所述阀杆(2)下部前壁左右内均固定连接有支座(28),两个所述支座(28)内均通过转轴(29)转动连接有转座(30),所述阀杆(2)与开关门(16)下部左壁与右壁内均通过卡销(31)转动套接有连杆(32),所述阀杆(2)与开关门(16)下部左壁与右壁内均固定连接有基准柱(34)。
2.根据权利要求1所述的一种便于在线维修的超低温蝶阀,其特征在于:所述基准轴(5)转动连接在阀门(3)中部。
3.根据权利要求1所述的一种便于在线维修的超低温蝶阀,其特征在于:所述蜗杆(8)与半蜗轮(6)外壁啮合连接。
4.根据权利要求1所述的一种便于在线维修的超低温蝶阀,其特征在于:六个所述滑竿(12)分别滑动连接在六个滑轨(13)和阀门(3)外壁内,六个所述滑竿(12)外端间固定连接有弹性橡胶圈(14),所述弹性橡胶圈(14)由高韧性和高弹力的橡胶材料制成,所述弹性橡胶圈(14)与密封圈槽(4)滑动连接。
5.根据权利要求1所述的一种便于在线维修的超低温蝶阀,其特征在于:所述卡筒(20)顶部内壁与连接球(17)固定连接。
6.根据权利要求1所述的一种便于在线维修的超低温蝶阀,其特征在于:所述定位槽(21)呈十字状,所述微型电动伸缩机(23)输出端与支筒(22)上壁固定连接,所述卡筒(20)下壁中部内与支筒(22)下壁间弹性连接有回位弹簧(27)。
7.根据权利要求1所述的一种便于在线维修的超低温蝶阀,其特征在于:所述抬升架(25)左壁与右壁和传动块(26)内壁滑动连接。
8.根据权利要求1所述的一种便于在线维修的超低温蝶阀,其特征在于:所述转座(30)外端与上部连杆(32)外壁固定连接,左部与右部的两根所述连杆(32)后端均通过卡销(31)转动连接,所述连杆(32)中部均固定连接有套柱(33),左部与右部两根所述套柱(33)与基准柱(34)外壁间均弹性套接有拉力弹簧(35)。
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