CN108779878B - 用于紧固构件的设备 - Google Patents

用于紧固构件的设备 Download PDF

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CN108779878B
CN108779878B CN201680081604.0A CN201680081604A CN108779878B CN 108779878 B CN108779878 B CN 108779878B CN 201680081604 A CN201680081604 A CN 201680081604A CN 108779878 B CN108779878 B CN 108779878B
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U.S.克尼希
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Walter Stauffenberg & CoKg GmbH
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L3/00Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
    • F16L3/08Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
    • F16L3/10Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing
    • F16L3/105Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing one member carrying a substantially radial tightening element
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23FNON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F13/00Inhibiting corrosion of metals by anodic or cathodic protection
    • C23F13/02Inhibiting corrosion of metals by anodic or cathodic protection cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
    • C23F13/06Constructional parts, or assemblies of cathodic-protection apparatus
    • C23F13/08Electrodes specially adapted for inhibiting corrosion by cathodic protection; Manufacture thereof; Conducting electric current thereto
    • C23F13/18Means for supporting electrodes
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23FNON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F13/00Inhibiting corrosion of metals by anodic or cathodic protection
    • C23F13/02Inhibiting corrosion of metals by anodic or cathodic protection cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
    • C23F13/06Constructional parts, or assemblies of cathodic-protection apparatus
    • C23F13/08Electrodes specially adapted for inhibiting corrosion by cathodic protection; Manufacture thereof; Conducting electric current thereto
    • C23F13/22Monitoring arrangements therefor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L3/00Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
    • F16L3/16Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets with special provision allowing movement of the pipe
    • F16L3/20Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets with special provision allowing movement of the pipe allowing movement in transverse direction
    • F16L3/205Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets with special provision allowing movement of the pipe allowing movement in transverse direction having supporting springs
    • F16L3/2053Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets with special provision allowing movement of the pipe allowing movement in transverse direction having supporting springs the axis of each spring being parallel with the direction of the movement of the pipe
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23FNON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F2213/00Aspects of inhibiting corrosion of metals by anodic or cathodic protection
    • C23F2213/30Anodic or cathodic protection specially adapted for a specific object
    • C23F2213/32Pipes

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  • Mechanical Engineering (AREA)
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Abstract

本发明涉及一种用于紧固构件、特别是管子或软管的设备,其包括两个能彼此连接的紧固零件,紧固零件具有在安装状态中形成套管部的凹部,套管部的内轮廓构造用于接收管子或软管,其中,至少一个牺牲元件布置用于使分别被接收的构件中的腐蚀最小化、特别是缝隙腐蚀最小化,至少一个牺牲元件随着腐蚀的开始和紧固持续时间的推进而明显消耗,其特征在于,至少一个紧固零件具有至少一个凹部,至少一个凹部通向套管部的内轮廓并且至少一个牺牲元件能运动地布置在至少一个凹部中,至少一个牺牲元件通过弹性元件朝着套管部的方向预紧。

Description

用于紧固构件的设备
技术领域
本发明涉及一种用于紧固构件、特别是管子(Rohren)或软管(Schläuchen)的设备。
背景技术
为了紧固管子和软管通常会使用所谓的钳,钳通常包括由热塑性塑料或弹性体塑料或者也可由金属制成的钳体。钳体在此常常由两个能彼此连接的紧固零件构成,该紧固零件在安装状态中构成用于接收管子或软管的套管部。待紧固的构件在此基本上力配合地固定在两个钳体内部。
特别是将这种钳使用在促进腐蚀的环境中时、例如为了将液压管道紧固在离岸区域中,即便是使用塑料钳来固定不锈钢管道也会导致待固定的管道腐蚀,腐蚀由环境影响、如含盐的空气或类似物引起。因此在未封闭的垫片缝隙中存在腐蚀性介质时,通常会在金属零件上发现缝隙腐蚀,垫片缝隙例如由搭接部、套装的接板或者未焊穿的连接点形成。引起缝隙腐蚀的原因在此是在该缝隙与围绕缝隙的腐蚀性介质环境之间的浓度差。由此引起势差,这会导致缝隙内部或缝隙的环境区域中的电化学腐蚀。当不存在氧气用来形成保护性的氧气层时,甚至是不生锈的铬镍零件也会在缝隙中出现腐蚀。
为了解决这个问题在DE10 2010 026 596 A1中建议,至少一个钳零件设置有牺牲元件,牺牲元件随着腐蚀的开始和钳紧固持续时间的推进而明显消耗。在此,相应的牺牲元件作为独立的构件被套装到可配设的钳零件的外轮廓上。由此,牺牲元件针对钳零件形成了壁厚不变的、具有半圆形横截面的轴瓦(Halbschale)。在紧固管子时,管子在两个钳之间夹紧,由此将牺牲元件挤压到管子上。
然而在建议的钳中证明有缺陷的是,牺牲元件随着使用持续时间的推进而消耗,由此松开钳与管道之间的力配合的连接。由此一方面影响了管道的紧固,另一方面会引起牺牲元件与管道之间的接触断裂,由此影响了抗腐蚀作用。
发明内容
本发明在此提供补救措施。本发明的目的在于提出一种用于紧固构件、特别是管子或软管的设备,其中即便是在使用持续时间的推进中也可抵抗缝隙腐蚀,并且保证管子或软管的力配合的紧固。
利用本发明提出一种用于紧固构件、特别是管子或软管的设备,在保证力配合的紧固的同时避免了设备与待接收的管子或软管之间的缝隙腐蚀。通过至少一个紧固零件具有至少一个凹部,即便随着牺牲元件的消耗增加也可保证设备与被接收的构件之间连续的力配合,凹部从侧面通向套管部并且至少一个牺牲元件能运动地布置在凹部中,牺牲元件通过弹性元件朝着套管部的方向预紧。此外通过弹性元件确保了,即便是牺牲元件的消耗增加,牺牲元件也会通过不断地抵压到构件上而被保持住。
在此对于本发明来说重要的是,一方面引起力配合的夹紧力与另一方面牺牲元件压在被接收的构件上的抵压力解耦。如此一来,牺牲元件的持续消耗就不会对设备内部的构件的力配合的固定产生影响。
“套管部(Durchführung)”的概念在此主要理解为在紧固零件之间形成的轮廓,该轮廓贴靠在被紧固的构件、特别是管子或软管上。在此,套管部也可通过至少两个在紧固零件上彼此间隔开布置的肋对形成。在用于紧固圆形管子的设备的情况中,套管部是通过两个肋对贯穿导引的假想的中空圆柱体的区域,该中空圆柱体的半径由肋的针对待接收的管子的贴靠面轮廓来限定。
牺牲元件(也被称为牺牲阳极)是由非贵重金属形成的零件,该零件用于保护由其他金属形成的功能零件抵抗接触腐蚀,其中牺牲元件的非贵重金属自身被毁坏、即牺牲。
“凹部”的概念主要应归纳为任一适合用于接收牺牲元件的、布置在紧固零件的传递夹紧力到待紧固的构件上的贴靠面之间的空间。“凹部”例如也可由紧固零件的两个彼此间隔开地布置的肋的中间空间形成。
在本发明的扩展方案中,弹性元件包括橡胶元件或弹性体元件。由此能够实现对牺牲元件的低成本且同时可靠的预紧力。替代地或补充地,弹性元件也可包括螺旋弹簧或弯曲弹簧。
在本发明的设计方案中,套管部由用于接收构件的紧固零件的两个或多个肋对的轮廓形成。由此实现减少材料地制造。
在本发明的另一种设计方案中,接收牺牲元件的至少一个凹部在紧固零件的两个肋之间形成。由此可实现设计简化。
在本发明的扩展方案中,至少一个牺牲元件与用于光学显示牺牲元件的磨损情况的至少一个显示器件相连。由此简化了需要替换牺牲元件方面的设备维护。
在本发明的设计方案中,显示器件包括至少一个侧向突出的臂部,该臂部嵌接在紧固零件的从外部可见的导引部中。由此能够通过嵌接在导引部中的臂部的位置变化识别牺牲元件的位置变化。
在本发明的另一种设计方案中,至少一个臂部由锁鼻形成,锁鼻如此锁入导引部中,即,锁鼻能推移地、但防脱落地保持在导引部中。由此通过弹性元件显示的预紧避免了牺牲元件从导引部中不期望地滑出。
在本发明的扩展方案中,紧固零件构造相同。由此降低了制造成本并且使仓储最小化。
在本发明的设计方案中,牺牲元件由比待接收的构件次贵的材料制成,特别是由锌和/或镁制成。由此实现好的抗腐蚀作用。
附图说明
本发明的一种实施例在附图中示出并且在下面详细说明。其中:
图1示出了用于紧固管道的设备的紧固零件的示意图,a)是俯视图,b)是侧视图,c)是仰视图;
图2示出了图1中的紧固零件的磨损显示器的细节图;
图3示出了在另一种实施方式中用于紧固管道的设备的紧固零件的示意图,a)是俯视图,b)是侧视图,c)是仰视图。
具体实施方式
选作实施例的用于紧固管子的设备构造成由两个设计相同的管钳半壳1组装而成的块状管钳。管钳半壳1在该实施例中由聚丙烯(PP)制成并且具有基本上构造成中空长方体形状的基体,在基体的横向侧壁11中分别成型有半圆形的切口12。在横向侧壁11之间彼此平行地间隔开地布置有肋12。在管钳半壳1中切断肋2地形成有长方体形状的用于接收牺牲元件3的凹部21。凹部21由成型的侧向接板22限制,侧向接板在横向侧壁11之间延伸地布置。在凹部21区域中,在横向侧壁11中分别形成两个彼此平行布置的、竖直延伸的导引槽缝13。此外,在管钳半壳1中、与切口12的两个侧面相对而置地形成有两个钻孔5。钻孔5用来穿引螺丝以便将两个管钳半壳1相对于待布置在切口12之间的未示出的管子夹紧。
牺牲元件3被凹部21接收。牺牲元件3构造成基本呈长方体形状,其中牺牲元件3的朝向待接收的管子的盖面设有相应于待接收的管子的轮廓31。在牺牲元件的面向横向侧壁11的侧面上分别在牺牲元件3上成型有两个彼此间隔开地布置的锁鼻32。锁鼻32在其面向管钳半壳1的底板14的下侧面上设置有斜壁33,该斜壁与在导引槽缝13上方分别成型的斜壁15相符。在将牺牲元件3带至凹部21中时,通过斜壁33、15的共同作用使弹性横向侧壁11向外运动,直至锁鼻32嵌接到导引槽缝13中,由此横向侧壁11再次占据其原始位置。由此,牺牲元件3通过锁鼻32能竖直推移地、但防脱落地保持在导引槽缝13中。在管钳半壳1的底板14与牺牲元件3之间布置有压力弹簧4,牺牲元件3通过压力弹簧相对于底板14预紧。牺牲元件3的锁鼻32就此抵靠在导引槽缝13的上限处。
为了紧固管子,管子被铺设到管钳半壳1的侧壁11的切口12中,由此牺牲元件3克服压力弹簧4的预紧力朝着底板14的方向运动。牺牲元件3的锁鼻32在此在导引槽缝13的内部朝着底板14的方向滑动。另一个相同构造的管钳半壳1现在被施加到第一管钳半壳1上,使得侧壁11的切口12平放在未示出的管子上。两个管钳半壳1的侧壁11的切口12由此形成用于管子的套管部。接下来,管钳半壳1由未示出的通过钻孔5导引的螺丝相对彼此夹紧,由此,未示出的管子在设有切口12的侧壁11之间夹持住。与通过侧壁11传递的夹持力无关地,牺牲元件3通过压力弹簧4的复位力抵压到被接收的管子上,由此实现防腐蚀的目的。当牺牲元件的3消耗随着时间增加时,牺牲元件通过压力弹簧4补充,由此,布置在导引槽缝13中的锁鼻32朝着管子运动。通过锁鼻32在导引槽缝13中的位置(从外部可视),能够读取牺牲元件3的消耗状态。
在根据图2的实施例中,侧向接板22构造成保持肋,保持肋伸入到管钳半壳1的横向侧壁11的半圆形切口12中。在此,由两个管钳半壳1形成的紧固设备的套管部被突出的侧向接板22限制,在两个管钳半壳1彼此夹紧之后,通过侧向接板将夹持力传递到待接收的未示出的管子上。替代地,侧向接板22也可与两个管钳半壳1的横向侧壁11的切口12精确地对齐,由此,夹持力既通过横向侧壁11的由切口12形成的轮廓也通过侧向接板22传递到待接收的管子上。

Claims (15)

1.用于紧固构件的设备,其包括两个能彼此连接的紧固零件,所述紧固零件具有在安装状态中形成套管部的凹部,所述套管部的内轮廓构造用于接收构件,其中,至少一个牺牲元件布置用于使分别被接收的构件中的腐蚀最小化,所述至少一个牺牲元件随着腐蚀的开始和紧固持续时间的推进而明显消耗,其特征在于,至少一个紧固零件具有至少一个凹部,所述至少一个凹部从侧面通向所述套管部并且所述至少一个牺牲元件作为单独的构件能运动地布置在所述至少一个凹部中,所述至少一个牺牲元件通过弹性元件朝着所述套管部的方向预紧。
2.根据权利要求1所述的设备,其特征在于,所述构件是管子。
3.根据权利要求1所述的设备,其特征在于,所述构件是软管。
4.根据权利要求1所述的设备,其特征在于,所述弹性元件是橡胶元件。
5.根据权利要求1所述的设备,其特征在于,所述弹性元件是弹性体元件。
6.根据权利要求1所述的设备,其特征在于,所述腐蚀是缝隙腐蚀。
7.根据权利要求1-6中任一项所述的设备,其特征在于,所述弹性元件是螺旋弹簧或弯曲弹簧。
8.根据权利要求1-6中任一项所述的设备,其特征在于,所述套管部由用于接收所述构件的所述紧固零件的两个或更多个肋对的轮廓形成。
9.根据权利要求8所述的设备,其特征在于,接收牺牲元件的至少一个凹部在紧固零件的两个肋之间形成。
10.根据权利要求1-6中任一项所述的设备,其特征在于,至少一个牺牲元件与用于光学显示所述牺牲元件的磨损情况的至少一个显示器件相连。
11.根据权利要求10所述的设备,其特征在于,所述显示器件包括至少一个侧向突出的臂部,所述臂部嵌接在紧固零件的从外部可见的导引部中。
12.根据权利要求11所述的设备,其特征在于,至少一个臂部由锁鼻形成,所述锁鼻如此锁入所述导引部中,即,所述锁鼻能推移地、但防脱落地保持在所述导引部中。
13.根据权利要求1-6中任一项所述的设备,其特征在于,所述紧固零件构造相同。
14.根据权利要求1-6中任一项所述的设备,其特征在于,所述牺牲元件由比待接收的构件次贵的材料制成。
15.根据权利要求14所述的设备,其特征在于,所述牺牲元件由锌和/或镁制成。
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EP3604713B1 (en) * 2018-08-03 2021-02-24 Institute for Plasma Research Displacement decoupling arrangement for pipingsystems
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EP3205917A1 (de) 2017-08-16
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WO2017137117A1 (de) 2017-08-17
KR20180114015A (ko) 2018-10-17
US10422444B2 (en) 2019-09-24
KR102666284B1 (ko) 2024-05-14
US20190003614A1 (en) 2019-01-03

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