CN110345977A - 用于管道上的测量设备的紧固装置 - Google Patents
用于管道上的测量设备的紧固装置 Download PDFInfo
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- 238000005259 measurement Methods 0.000 claims abstract description 15
- 239000013013 elastic material Substances 0.000 claims 1
- 229920003023 plastic Polymers 0.000 claims 1
- 239000004033 plastic Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/952—Inspecting the exterior surface of cylindrical bodies or wires
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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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B2/00—Friction-grip releasable fastenings
- F16B2/20—Clips, i.e. with gripping action effected solely by the inherent resistance to deformation of the material of the fastening
- F16B2/22—Clips, i.e. with gripping action effected solely by the inherent resistance to deformation of the material of the fastening of resilient material, e.g. rubbery material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/24—Electric supply or control circuits therefor
- B23K11/25—Monitoring devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
- F16L11/12—Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting
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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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L41/00—Branching pipes; Joining pipes to walls
- F16L41/02—Branch units, e.g. made in one piece, welded, riveted
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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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/07—Arrangement or mounting of devices, e.g. valves, for venting or aerating or draining
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/24—Housings ; Casings for instruments
- G01D11/245—Housings for sensors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/30—Supports specially adapted for an instrument; Supports specially adapted for a set of instruments
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/20—Metals
- G01N33/207—Welded or soldered joints; Solderability
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/82—Testing the joint
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/82—Testing the joint
- B29C65/8292—Testing the joint by the use of ultrasonic, sonic or infrasonic waves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
- B29C66/114—Single butt joints
- B29C66/1142—Single butt to butt joints
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/52—Joining tubular articles, bars or profiled elements
- B29C66/522—Joining tubular articles
- B29C66/5221—Joining tubular articles for forming coaxial connections, i.e. the tubular articles to be joined forming a zero angle relative to each other
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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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/08—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/02—Mechanical
- G01N2201/021—Special mounting in general
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/06—Illumination; Optics
- G01N2201/064—Stray light conditioning
- G01N2201/0646—Light seals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0296—Welds
Abstract
本发明涉及用于将测量设备、特别是对接焊缝检查测量设备紧固在管道上的装置,其包含用于容纳测量、控制和/或驱动单元的壳体以及夹具,其中,所述夹具被设计为环形部段,其中,所述夹具沿径向方向附接在管道外直径上,其中,所述夹具在安装状态中具有预张力。
Description
技术领域
本发明涉及用于将测量设备、特别是对接焊缝检查测量设备紧固在管道上的装置,所述装置包含用于容纳测量、控制和/或驱动单元的壳体以及夹具。
背景技术
这样的装置主要已知用于关于流率测量的超声测量,其中,通常使用简单的夹持系统或管道夹具来将这样的测量设备紧固在管道上,其中,诸如这些装置之类的装置通常不必在管道周界上被旋转或移动到另一位置中。
WO 2011/112946 A1公开了用于流率测量的装置,其中,测量设备在管道周界上具有两个壳体,其中,这两个壳体借助于两个环而被紧固在管道上。
上述解决方案以及从现有技术已知的解决方案具有以下缺点,即:安装相对复杂且繁琐,使得需要消耗更多的时间,并且为此目的工具通常也是必要的。
发明内容
本发明的目的在于提出这样的装置:其使得能够在管道外直径上快速且简单地安装测量设备、特别是焊缝检查测量设备,其中工具不是必要的,并且尽管该装置以扭转锁定的方式被布置在管道上,但该装置也可沿周界手动地调整。此外,该装置将可用一只手来安装,并且对于安装而言将仅必要一个把手,并且将避免复杂的绑扎或夹持就位。
根据本发明,该目的通过以下方式来实现,即:所述夹具被设计为环形部段,其中,所述夹具沿径向方向附接在管道外直径上,其中,所述夹具在安装状态中具有预张力。
用于将测量设备、特别是对接焊缝检查测量设备紧固在管道上的根据本发明的装置具有用于容纳测量、控制和驱动单元的壳体。根据所期望的测量,在壳体中布置用于进行测量的所有所需要的部件。
优选地,传感器、电路板、照明单元、镜子和定位驱动器在应用期间被布置在区域中以用于检查焊缝,其中,另外的部件或其他部件也可以被布置在所述壳体中。此外,所述装置具有夹具,该夹具用于将所述装置紧固在管道上。该夹具通过径向按压而被夹到管道外直径上,因此该夹具具有大于180°的环绕角度,并且因此,该夹具的端部在径向附接在管道上期间被按压分开,并在管道外直径上的最终位置中再次压靠彼此,特别是用于利用预张力来防止不期望的扭转。
有利的情况是,所述环形部段具有大于180°的环绕角度,优选地具有190-280°的环绕角度。因此确保了所述装置被固定地安装在管道外直径上,但是根据需要,可围绕管道外直径或周界手动地旋转,并且可沿管道外直径轴向地移位。
所述壳体和夹具优选地被形成为单独的部分。这带来以下优点,即:仅需要具有相对应的测量设备的一个壳体,该壳体随后能够被紧固在不同的管道直径上或被紧固在设计成用于相对应的管道直径的相对应的夹具上。因此,该壳体被通用地设计成用于针对不同管道尺寸的所有夹具。有利的情况是,所述壳体和/或所述夹具各自以注射模制方法或通过增材制造来生产。
为了使得所述装置或所述夹具能够紧固在管道外周界上,有利的情况是,所述夹具的材料是弹性的。所述夹具优选地由塑料生产。所述壳体也优选地由塑料生产。
已经被示出为优选实施例的是,所述壳体借助于速动闭合件(quick-actingclosure)被紧固在所述夹具上,优选地通过卡合闭合件来紧固。有利的情况是,所述壳体在两个相对侧上具有相对应的凹部,例如,被布置在所述夹具上的锁(cam)接合在该凹部中,并且能够张紧的突出部在相对的凹部中接合,这将所述壳体定位并固定在所述夹具上。
所述夹具优选地包括平行延伸的两个环形部段,这两个环形部段借助于至少一个联结部连接到彼此。因此在所述环形部段之间产生凹部,该凹部使得所述装置能够被适当地轴向定位,这是因为管道以及焊缝因此在所述环形部段之间是可见的。此外,该凹部还被用于使得确保测量设备通达所述管道或焊缝。
已经被示出为优选实施例的是,所述壳体和所述夹具以形状配合的方式连接到彼此,优选地借助于所述卡合闭合件的锁和容纳该锁的相对应的凹部来实现,并且因此,确保了所述壳体在所述夹具上的唯一定位。
有利的情况是,所述夹具具有指示测量位置的标记,这些标记优选地横向位于所述环形部段上。
已经被示出为优选实施例的是,标记在所述环形部段上相对于彼此以特定的角度指示。在其中所述装置必须旋转的测量的情况下,如果在管道上相对应地设置标记,则能够因此精确地确定所述装置在管道外直径上旋转的角度。标记优选地以90°角度被布置在所述环形部段上。
附图说明
将基于附图来描述本发明的示例性实施例,其中,本发明不仅限于该示例性实施例。在附图中:
图1示出了在根据本发明的装置的安装期间的视图,
图2示出了被安装在管道上的根据本发明的装置的视图,
图3示出了根据本发明的装置的三维视图,
图4示出了根据本发明的装置的夹具的视图,
图5示出了根据本发明的装置的夹具的局部视图,
图6示出了根据本发明的装置的夹具的三维视图,
图7示出了针对小管道直径的根据本发明的装置的夹具的三维视图,以及
图8示出了具有槽而不是凹陷部的根据本发明的装置的夹具的三维视图。
具体实施方式
图1中所示的附图示出了根据本发明的用于将测量设备紧固在管道2上的装置1,该装置1具有壳体3,在该壳体3中布置有该测量设备或者布置有根据待进行的测量为此目的所需要的单元,其中,图1示出了在安装期间的装置1。在其中可以很清楚地看到,装置1沿径向方向5被按压到或夹到管道2上。因为夹具4具有大于180°的环绕角度,所以环形部段4在它们被按压在管道直径上时展开,并且随后,当装置1被紧固在管道2上时压靠管道外周界2。因为夹具4的内直径小于管道外直径,所以夹具4在被安装在管道2上的状态中具有预张力,由此避免了不期望的移位或扭转。
图2示出了已紧固在管道2上的根据本发明的装置。
壳体3借助于速动闭合件或卡合闭合件6而被紧固在夹具4上,其中,该卡合闭合件的突出部9和锁8接合在凹部7中,如在图4中可以看到的,由此壳体3以形状配合的方式被紧固在夹具4上或环形部段上。
夹具4优选地由平行延伸的两个环形部段形成,这两个环形部段借助于至少一个联结部11连接到彼此。因此,在所述环形部段之间形成凹部13、14,该凹部13、14被用于上部区域中或其上紧固有壳体3的区域中以实现测量设备对管道的可通达性,由此传感器可以直接或间接地捕获(acquire)管道外直径或周界或焊缝。此外,使用处于下部区域中或两个联结部11之后的凹部,使得在装置1附接在管道外直径上期间,可以例如通过将待检查的焊缝放置在近似所述凹部的中间来执行沿轴向方向的粗略手动对准。此外,所述环形部段上的沿凹部13、14的方向定向的边缘被用作焊缝的止挡件或引导件,由此焊缝将在该边缘处对齐,并且夹具4不可能移位。在壳体3被紧固在夹具4上所在的区域中,夹具4或环形部段具有加强件15或突起部。这用于光保护或屏蔽周围环境,由此测量设备不会受到入射光的损害。
此外,夹具4优选地还具有测量位置的标记10,该标记10也用于调整根据本发明的装置1。
而且,有利的情况是,标记18在夹具4上相对于彼此以特定的角度布置,这些标记18使得能够实现装置1沿管道周界的受控旋转,由此总是能够相对于另一测量以特定的角度进行测量。
优选地将选择成90°的角度的标记,由此也能够想到标记的其他位置。
壳体2优选地具有操作单元16,该操作单元16例如通过仅一个按钮来保持尽可能简单,该按钮通过各种类型的致动来触发不同的动作。此外,有利的情况是,该操作单元具有优选为LED的显示器,该显示器指示操作状态。
此外,壳体2优选地具有连接单元,该连接单元使得能够附接外部控制器,当然,还可以想到与诸如PC之类的控制单元的无线连接。
有利的情况是,在夹具4的内直径上布置凹陷部12,该凹陷部12用于容纳例如橡胶元件,该橡胶元件具有较高的摩擦阻力,并且因此抑制装置1的不期望的枢转。
图8中示出了所述夹具的另外的实施例,其中,代替所述凹陷部,连续的槽19沿环形部段延伸,其中,槽19优选地在壳体3被紧固所在的区域中延伸,并且被布置在平行延伸的两个环形部段中。密封型材(profile)可以被布置在槽19中,该密封型材一方面增加管道和夹具4之间的摩擦阻力,并且还用作光保护件或用于壳体3中的传感器的相对于环境的屏蔽,使得入射光不会影响测量数据的捕获。
附图标记列表
1 装置
2 管道
3 壳体
4 夹具/环形部段
5 用于夹上的径向方向
6 速动闭合件/卡合闭合件
7 用于卡合闭合件的壳体中的凹部
8 卡合闭合件的锁
9 卡合闭合件的突出部
10 测量位置的标记
11 联结部
12 凹陷部
13 环形部段之间的凹部
14 用于实现测量设备对管道的可通达性的凹部
15 加强件
16 操作单元
17 连接单元
18 标记
19 槽
Claims (8)
1.一种用于将测量设备、特别是对接焊缝检查测量设备紧固在管道(2)上的装置(1),所述装置包含用于容纳测量、控制和/或驱动单元的壳体(3)以及夹具(4),其特征在于,所述夹具(4)被设计为环形部段,其中,所述夹具(4)沿径向方向(5)附接在管道外直径上,其中,所述夹具(4)在安装状态中具有预张力。
2.根据权利要求1所述的装置(1),其特征在于,所述环形部段(4)具有大于180°的环绕角度,优选地具有190-280°的环绕角度。
3.根据权利要求1或2所述的装置(1),其特征在于,所述壳体(3)和所述夹具(4)被设计为单独的部分。
4.根据权利要求1至3所述的装置(1),其特征在于,所述夹具(4)由弹性材料形成,优选地由塑料形成。
5.根据前述权利要求中任一项所述的装置(1),其特征在于,所述壳体(3)借助于速动闭合件(6)被紧固在所述夹具(4)上,优选地通过卡合闭合件(6)来紧固。
6.根据前述权利要求中任一项所述的装置(1),其特征在于,所述夹具(4)具有平行延伸的两个环形部段,所述两个环形部段借助于至少一个联结部(11)连接到彼此,其中,所述夹具(4)优选地被形成为单件。
7.根据前述权利要求中任一项所述的装置(1),其特征在于,所述壳体(3)和所述夹具(4)以形状配合的方式连接到彼此,优选地借助于锁(8)和相对应的凹部(7)连接到彼此。
8.根据前述权利要求中任一项所述的装置(1),其特征在于,指示测量位置的标记(10)被布置在所述夹具上。
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DK3667148T3 (da) | 2018-12-13 | 2022-11-28 | Fischer G Rohrleitungssysteme Ag | Længdekompensator |
KR102372610B1 (ko) * | 2020-02-28 | 2022-03-10 | 지엔에스엠 주식회사 | 히터 제어 장치 및 이를 포함하는 동파 방지 시스템 |
KR102372612B1 (ko) * | 2020-02-28 | 2022-03-10 | 지엔에스엠 주식회사 | 지지 장치 및 이를 포함하는 동파 방지 시스템 |
DE202020001109U1 (de) | 2020-03-20 | 2020-04-09 | E+E Elektronik Ges.M.B.H. | Vorrichtung zur Überwachung der Kondensationsbildung |
KR102594309B1 (ko) | 2020-04-20 | 2023-10-27 | (주)아그루코리아 | 용접 비드 검사 장치 |
CN115720623A (zh) * | 2020-06-29 | 2023-02-28 | 福伊特专利有限公司 | 旋转的构件的壳体 |
SE2050818A1 (en) * | 2020-07-01 | 2021-12-28 | Fumex Ab | A fastening device for a support arm |
CN115264181B (zh) * | 2022-09-28 | 2022-12-09 | 山西中德管业有限公司 | 一种民用给排水pvc管的安装支撑装置 |
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US10823322B2 (en) | 2020-11-03 |
US20190309887A1 (en) | 2019-10-10 |
EP3550291A1 (de) | 2019-10-09 |
KR20190116915A (ko) | 2019-10-15 |
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