WO2024040654A1 - 一种超声波管端检测用芯棒浮动机构 - Google Patents

一种超声波管端检测用芯棒浮动机构 Download PDF

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Publication number
WO2024040654A1
WO2024040654A1 PCT/CN2022/119561 CN2022119561W WO2024040654A1 WO 2024040654 A1 WO2024040654 A1 WO 2024040654A1 CN 2022119561 W CN2022119561 W CN 2022119561W WO 2024040654 A1 WO2024040654 A1 WO 2024040654A1
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Prior art keywords
floating
mandrel
buffer
plate
linear guide
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PCT/CN2022/119561
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English (en)
French (fr)
Inventor
陈凤波
崔增柱
胡鹏宇
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天津精益铁安机电技术有限公司
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Publication of WO2024040654A1 publication Critical patent/WO2024040654A1/zh

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22—Details, e.g. general constructional or apparatus details

Definitions

  • the utility model belongs to the technical field of ultrasonic pipe end detection, and in particular relates to a mandrel floating mechanism for ultrasonic pipe end detection.
  • the present utility model aims to propose a mandrel floating mechanism for ultrasonic pipe end detection to solve the problem that when the ultrasonic flaw detector rotates, the end of the pipe body shakes to a large extent, causing the probe to detect the end of the steel pipe. The incident angle changes, seriously affecting the detection signal.
  • a mandrel floating mechanism for ultrasonic pipe end detection including a mandrel assembly, a rotating unit and a floating buffer unit.
  • the detection end of the mandrel assembly is inserted into the pipe end, and the fixed end of the mandrel assembly is fixed to the rotating unit.
  • the rotating unit rotates synchronously with the mandrel assembly.
  • the rotating unit is arranged at the central position of the floating buffer unit.
  • the floating buffer unit is installed on the equipment body and is used for synchronous floating buffering suppression of pipe end shaking.
  • the floating buffer unit includes a base plate, the base plate is installed on the equipment body, floating module one and floating module two are stacked up and down, and floating module one and floating module two move in a vertical direction;
  • the center of the base plate is provided with a through hole for the rotation unit to operate.
  • the floating module 1 includes a buffer 1, a linear guide rail 1 and a connecting plate.
  • the number of the linear guide rail 1 and the buffer 1 is multiple.
  • the multiple linear guide rails 1 are fixedly arranged on the base plate, and the connecting plate is fixed. Set on multiple linear guide rails;
  • Buffer 1 is installed on the base plate through mounting plate 1. Multiple buffers 1 are evenly arranged at both ends of the base plate.
  • the setting direction of buffer 1 is the same as the moving direction of linear guide rail 1.
  • the guide shaft end of buffer 1 is floated through
  • the supporting plate 1 is fixedly connected to the connecting plate;
  • a through hole corresponding to the through hole is provided at the center of the connecting plate.
  • the floating module 2 includes a buffer 2, a linear guide rail 2 and a front end plate.
  • the number of the linear guide rail 2 and the buffer 2 is multiple.
  • the plurality of linear guide rails 2 are fixedly arranged on the connecting plate.
  • the front end plate Fixedly installed on multiple linear guide rails 2;
  • the buffer two is installed on the connecting plate through the mounting plate two. Multiple buffers two are evenly arranged at both ends of the connecting plate.
  • the setting direction of the buffer two is the same as the moving direction of the linear guide rail two.
  • the guide shaft end of the buffer two Fixedly connected to the front end plate through floating support plate 2;
  • the front end plate is provided with fixing holes for installing the rotating unit.
  • the rotating unit includes a mounting base and a rotating shaft installed in the mounting base;
  • the longitudinal section of the mounting seat is a T-shaped structure.
  • the mounting seat is installed in the fixed hole of the front end plate.
  • One end of the rotating shaft is assembled into the mounting seat through a double-row conical bearing.
  • the end of the rotating shaft is provided with a pair of double-row conical bearings.
  • the front end cover is used for positioning the sub-bearing.
  • the rotating shaft located between the front end cover and the double-row conical sub-bearing is equipped with a bushing, a stop washer and a round nut in sequence;
  • the other end of the rotating shaft is equipped with a deep groove ball bearing, and the other end of the rotating shaft locates the deep groove ball bearing into the mounting seat through the rear end cover.
  • mandrel assembly is fixedly connected to the rotating shaft through a connecting flange, and a buffer pad is provided between the mandrel assembly and the connecting flange.
  • an end of the rotating shaft away from the mandrel assembly is fixedly provided with a code disk for detecting the tube signal
  • a sensor bracket is fixedly provided on the outer wall of the mounting base, and a proximity switch for detecting the signal in place of the pipe body is provided on the sensor bracket.
  • the mounting base is also provided with a straight-through pressure oil cup for lubricating the double-row conical bearings.
  • the mandrel floating mechanism for ultrasonic pipe end detection described in the present utility model has the following beneficial effects:
  • the utility model uses a mandrel floating mechanism for ultrasonic pipe end detection based on the structural design concept of the ultrasonic pipe end detection mandrel floating mechanism. Different specifications of mandrel assemblies are used for different specifications of steel pipes, and four-directional buffering is used.
  • the device synchronously floats the inner wall of the steel pipe to suppress end shaking, which effectively solves the problem of straightness deviation of the steel pipe. The end shakes to a large extent when rotating, which causes the sound wave incident angle to change when the probe detects the end of the steel pipe, which seriously affects Problem with detecting signals.
  • Figure 1 is a cross-sectional view of a mandrel floating mechanism for ultrasonic pipe end detection according to an embodiment of the present invention
  • Figure 2 is a first angle structural schematic diagram of a mandrel floating mechanism for ultrasonic pipe end detection according to the embodiment of the present invention
  • Figure 3 is a schematic structural diagram of a mandrel floating mechanism for ultrasonic pipe end detection at a second angle according to the embodiment of the present invention
  • Figure 4 is a schematic structural diagram of a mandrel floating mechanism for ultrasonic pipe end detection at a third angle according to the embodiment of the present invention
  • Figure 5 is a schematic structural diagram of a mandrel floating mechanism for ultrasonic pipe end detection at a fourth angle according to the embodiment of the present invention.
  • connection should be understood in a broad sense.
  • it can be a fixed connection or a removable connection.
  • Detachable connection, or integral connection can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two components.
  • connection should be understood through specific situations.
  • a mandrel floating mechanism for ultrasonic pipe end detection includes a mandrel assembly 1, a rotating unit 2 and a floating buffer unit 3.
  • the detection end of the mandrel assembly 1 is inserted into the pipe end.
  • the fixed end of the mandrel assembly 1 is fixedly connected to the rotating unit 2.
  • the rotating unit 2 rotates synchronously with the mandrel assembly 1.
  • the rotating unit 2 is arranged at the central position of the floating buffer unit 3.
  • the floating buffer unit Unit 3 is installed on the equipment body and is used for synchronous floating buffering suppression of pipe end shaking.
  • the floating buffer unit 3 includes a base plate 31, which is installed on the equipment body.
  • the equipment body used in this technical solution is ultrasonic flaw detection equipment.
  • Floating module one and floating module two are stacked up and down, and floating module one and floating module Module 2 moves vertically;
  • a through hole for the rotation unit 2 to operate is provided at the center of the base plate 31 .
  • the number of buffer one 32, linear guide rail one 33, buffer two 36 and linear guide rail two 37 used in this technical solution is two.
  • the linear guide rail one 33 and the linear guide rail two 37 are evenly distributed circumferentially in four directions.
  • the buffer one The arrangement directions of 32 and buffer two 36 correspond to the arrangement directions of linear guide rail one 33 and linear guide rail two 37.
  • the two linear guide rails form a group and carry out movement in two vertical directions; in addition to this patent application, it can also be used Just meet the actual quantity requirements of buffers and linear guide rails to achieve movement in two vertical directions;
  • the floating module 1 includes a buffer 32, a linear guide rail 33 and a connecting plate 34.
  • the linear guide rail is fixed by the guide rail pressure plate, and the connecting plate 34 is fixedly provided on a plurality of linear guide rails 33;
  • the buffer 32 is installed on the base plate 31 through the mounting plate 310.
  • a plurality of buffers 32 are evenly arranged at both ends of the base plate 31.
  • the arrangement direction of the buffer 32 is the same as the moving direction of the linear guide 33.
  • the guide shaft end of the first 32 is fixedly connected to the connecting plate 34 through the floating support plate 35, and the pressure value of the buffer can be manually adjusted with a wrench to meet the actual needs of the site;
  • a through hole corresponding to the through hole is provided at the center of the connecting plate 34 .
  • the diameter of the through hole provided on the connecting plate 34 and the diameter of the through hole provided on the base plate 31 can satisfy the overall floating of the mandrel assembly 1 .
  • the second floating module includes a buffer 36, a linear guide rail 37 and a front end plate 38.
  • the front end plate 38 is fixedly arranged on a plurality of linear guide rails 37;
  • the second buffer 36 is installed on the connecting plate 34 through the mounting plate 2 311.
  • a plurality of the second buffers 36 are evenly arranged at both ends of the connecting plate 34.
  • the arrangement direction of the second buffer 36 is the same as the moving direction of the second linear guide 37.
  • the guide shaft end of the buffer two 36 is fixedly connected to the front end plate 38 through the floating support plate two 39;
  • the front end plate 38 is provided with fixing holes for installing the rotating unit 2 .
  • the rotating unit 2 includes a mounting base 21 and a rotating shaft 22 installed in the mounting base 21;
  • the longitudinal section of the mounting seat 21 is a T-shaped structure.
  • the mounting seat 21 is installed in the fixing hole of the front end plate 38.
  • One end of the rotating shaft 22 is assembled into the mounting seat 21 through a double-row conical bearing 23.
  • the end of the rotating shaft 22 A front end cover 24 is provided at the bottom to position the double row conical bearing 23.
  • the rotating shaft 22 located between the front end cover 24 and the double row conical bearing 23 is sequentially equipped with a sleeve 25, a stop washer 26 and a round nut 27.
  • the double-row conical bearing 23 in this technical solution adopts the 352214X2 model bearing;
  • the other end of the rotating shaft 22 is equipped with a deep groove ball bearing 28.
  • the deep groove ball bearing 28 in this technical solution adopts the 6010-2RZ model bearing.
  • the other end of the rotating shaft 22 locates the deep groove ball bearing 28 through the rear end cover 29.
  • the rear end cover 29 is used for bearing positioning and sealing.
  • the mandrel assembly 1 is fixedly connected to the rotating shaft 22 through the connecting flange 4. This technical solution can synchronously rotate the tube body, the mandrel assembly 1, the rotating shaft 22 and the code disk 6. There is a gap between the mandrel assembly 1 and the connecting flange 4.
  • a cushion pad 5 is provided, which is used for shock absorption and buffering;
  • the mandrel assembly 1 used in this technical solution is an on-site purchased component. This patent application does not improve it itself.
  • the mandrel assembly 1 in this technical solution can adopt different specifications and models according to different specifications of steel pipes to meet the on-site inspection. Just need it.
  • the end of the rotating shaft 22 away from the mandrel assembly 1 is fixed with a code disk 6 for detecting the tube signal;
  • a sensor bracket 7 is fixedly provided on the outer wall of the mounting base 21, and a proximity switch 8 for detecting the pipe body in-position signal is provided on the sensor bracket 7.
  • the mounting base 21 is also provided with a straight-through pressure oil cup 9 for lubricating the double-row conical bearing 23.
  • the ultrasonic pipe end detection mandrel floating mechanism Through the structural design concept of the ultrasonic pipe end detection mandrel floating mechanism, different specifications of the mandrel assembly 1 are used for different specifications of steel pipes, and the four-directional buffer is used to synchronously float the inner wall of the steel pipe to suppress end shaking, which effectively solves the problem of steel pipes due to The straightness deviation problem is that the end shakes to a large extent during rotation, causing the sound wave incident angle to change when the probe detects the end of the steel pipe, seriously affecting the detection signal.

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Acoustics & Sound (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Abstract

本实用新型提供了一种超声波管端检测用芯棒浮动机构，包括芯棒组件、转动单元和浮动缓冲单元，所述芯棒组件的检测端插入至管端内，所述芯棒组件的固定端与转动单元固连，所述转动单元随芯棒组件同步转动，所述转动单元设置在浮动缓冲单元的中央位置，所述浮动缓冲单元安装至设备本体上，用于对管端晃动进行同步浮动缓冲抑制。本实用新型通过超声波管端检测芯棒浮动机构的结构设计理念，对于不同规格钢管采用不同规格的芯棒组件，通过四方位缓冲器对钢管内壁进行同步浮动抑制端部晃动，很好地解决了钢管由于直线度偏差问题，在旋转时端部晃动程度较大，导致探头在检测钢管端部时声波入射角度发生改变，严重影响检测信号的问题。

Description

一种超声波管端检测用芯棒浮动机构 技术领域
本实用新型属于超声波管端检测技术领域，尤其是涉及一种超声波管端检测用芯棒浮动机构。
背景技术
目前国内外的钢管管端超声波探伤机具有多样化，对于管端超声波的检测难点在于钢管存在直线度偏差问题，在旋转时端部晃动程度较大，导致探头在检测钢管端部时，声波入射角度发生改变，严重影响检测信号；故此，本专利申请设计了一种超声波管端检测用芯棒浮动机构。
实用新型内容
有鉴于此，本实用新型旨在提出一种超声波管端检测用芯棒浮动机构，以解决超声波探伤机在旋转时，管体端部晃动程度较大，导致探头在检测钢管端部时，声波入射角度发生改变，严重影响检测信号的问题。
为达到上述目的，本实用新型的技术方案是这样实现的：
一种超声波管端检测用芯棒浮动机构，包括芯棒组件、转动单元和浮动缓冲单元，所述芯棒组件的检测端插入至管端内，所述芯棒组件的固定端与转动单元固连，所述转动单元随芯棒组件同步转动，所述转动单元设置在浮动缓冲单元的中央位置，所述浮动缓冲单元安装至设备本体上，用于对管端晃动进行同步浮动缓冲抑制。
进一步的，所述浮动缓冲单元包括基板，所述基板安装至设备本体上，浮动模块一、浮动模块二上下叠放设置，且浮动模块一与浮动模块二呈垂直方向运动；
基板的中心位置设有供转动单元动作的贯穿孔。
进一步的，所述浮动模块一包括缓冲器一、直线导轨一和连接板，所述直线导轨一和缓冲器一的数量均为多个，多个直线导轨一固定设置在基板上，连接板固定设置在多个直线导轨一上；
缓冲器一通过安装板一安装至基板上，多个缓冲器一分别均匀布置在基板的两端，缓冲器一的设置方向与直线导轨一的移动方向相同，缓冲器一的导向轴端通过浮动支撑板一与连接板固连；
连接板的中心位置设有与贯穿孔对应的通孔。
进一步的，所述浮动模块二包括缓冲器二、直线导轨二和前端板，所述直线导轨二和缓冲器二的数量均为多个，多个直线导轨二固定设置在连接板上，前端板固定设置在多个直线导轨二上；
缓冲器二通过安装板二安装至连接板上，多个缓冲器二分别均匀布置在连接板的两端，缓冲器二的设置方向与直线导轨二的移动方向相同，缓冲器二的导向轴端通过浮动支撑板二与前端板固连；
前端板上设有用于安装转动单元的固定孔。
进一步的，所述转动单元包括安装座、以及安装在安装座内的转轴；
所述安装座的纵截面为T形结构，所述安装座安装在前端板的固定孔内，转轴的一端通过双列圆锥子轴承装配至安装座内，转轴的端部设置有对双列圆锥子轴承进行定位的前端盖，位于前端盖与双列圆锥子轴承之间的转轴上依次装配有轴套、止动垫圈和圆螺母；
转轴的另一端装配有深沟球轴承，转轴的另一端端部通过后端盖将深沟球轴承定位至安装座内。
进一步的，所述芯棒组件通过连接法兰与转轴固定连接，芯棒组件与连 接法兰之间设置有缓冲垫。
进一步的，转轴远离芯棒组件的一端端部固定设置有用于检测有管信号的码盘；
安装座的外壁上固定设置有传感器支架，传感器支架上设置有检测管体到位信号的接近开关。
进一步的，安装座上还设有用于对双列圆锥子轴承进行润滑的直通式压注油杯。
相对于现有技术，本实用新型所述的一种超声波管端检测用芯棒浮动机构具有以下有益效果：
(1)本实用新型所述的一种超声波管端检测用芯棒浮动机构通过超声波管端检测芯棒浮动机构的结构设计理念，对于不同规格钢管采用不同规格的芯棒组件，通过四方位缓冲器对钢管内壁进行同步浮动抑制端部晃动，很好地解决了钢管由于直线度偏差问题，在旋转时端部晃动程度较大，导致探头在检测钢管端部时声波入射角度发生改变，严重影响检测信号的问题。
(2)本实用新型所述的一种超声波管端检测用芯棒浮动机构能够有效提高设备检测精度及产品质量，满足其探伤工艺要求，符合现场实际需求。
附图说明
构成本实用新型的一部分的附图用来提供对本实用新型的进一步理解，本实用新型的示意性实施例及其说明用于解释本实用新型，并不构成对本实用新型的不当限定。在附图中：
图1为本实用新型实施例所述的一种超声波管端检测用芯棒浮动机构剖视图；
图2为本实用新型实施例所述的一种超声波管端检测用芯棒浮动机构第 一角度结构示意图；
图3为本实用新型实施例所述的一种超声波管端检测用芯棒浮动机构第二角度结构示意图；
图4为本实用新型实施例所述的一种超声波管端检测用芯棒浮动机构第三角度结构示意图；
图5为本实用新型实施例所述的一种超声波管端检测用芯棒浮动机构第四角度结构示意图。
附图标记说明：
1、芯棒组件；2、转动单元；21、安装座；22、转轴；23、双列圆锥子轴承；24、前端盖；25、轴套；26、止动垫圈；27、圆螺母；28、深沟球轴承；29、后端盖；3、浮动缓冲单元；31、基板；32、缓冲器一；33、直线导轨一；34、连接板；35、浮动支撑板一；36、缓冲器二；37、直线导轨二；38、前端板；39、浮动支撑板二；310-安装板一；311-安装板二；4、连接法兰；5、缓冲垫；6、码盘；7、传感器支架；8、接近开关；9、直通式压注油杯。
具体实施方式
需要说明的是，在不冲突的情况下，本实用新型中的实施例及实施例中的特征可以相互组合。
在本实用新型的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本实用新型和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和 操作，因此不能理解为对本实用新型的限制。此外，术语“第一”、“第二”等仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”等的特征可以明示或者隐含地包括一个或者更多个该特征。在本实用新型的描述中，除非另有说明，“多个”的含义是两个或两个以上。
在本实用新型的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以通过具体情况理解上述术语在本实用新型中的具体含义。
下面将参考附图并结合实施例来详细说明本实用新型。
请参阅图1至图4所示，一种超声波管端检测用芯棒浮动机构，包括芯棒组件1、转动单元2和浮动缓冲单元3，所述芯棒组件1的检测端插入至管端内，所述芯棒组件1的固定端与转动单元2固连，所述转动单元2随芯棒组件1同步转动，所述转动单元2设置在浮动缓冲单元3的中央位置，所述浮动缓冲单元3安装至设备本体上，用于对管端晃动进行同步浮动缓冲抑制。
所述浮动缓冲单元3包括基板31，所述基板31安装至设备本体上，本技术方案应用的设备本体为超声波探伤设备，浮动模块一、浮动模块二上下叠放设置，且浮动模块一与浮动模块二呈垂直方向运动；
基板31的中心位置设有供转动单元2动作的贯穿孔。
本技术方案中采用的缓冲器一32、直线导轨一33、缓冲器二36和直线导轨二37的数量均为两个，直线导轨一33和直线导轨二37呈四方位周向 均布，缓冲器一32和缓冲器二36的设置方位与直线导轨一33和直线导轨二37的设置方位对应相同，两个直线导轨为一组，进行两个垂直方位的运动；除本专利申请以外，还可采用符合实际数量要求的缓冲器和直线导轨，以实现两个垂直方位的运动即可；
所述浮动模块一包括缓冲器一32、直线导轨一33和连接板34，所述直线导轨一33和缓冲器一32的数量均为多个，多个直线导轨一33固定设置在基板31上，直线导轨通过导轨压板固定，连接板34固定设置在多个直线导轨一33上；
缓冲器一32通过安装板一310安装至基板31上，多个缓冲器一32分别均匀布置在基板31的两端，缓冲器一32的设置方向与直线导轨一33的移动方向相同，缓冲器一32的导向轴端通过浮动支撑板一35与连接板34固连，可通过扳手来手动调节缓冲器的压力值以满足现场实际需求；
连接板34的中心位置设有与贯穿孔对应的通孔，连接板34上设置的通孔孔径和基板31上设置的贯穿孔孔径能够满足芯棒组件1的整体浮动。
所述浮动模块二包括缓冲器二36、直线导轨二37和前端板38，所述直线导轨二37和缓冲器二36的数量均为多个，多个直线导轨二37固定设置在连接板34上，前端板38固定设置在多个直线导轨二37上；
缓冲器二36通过安装板二311安装至连接板34上，多个缓冲器二36分别均匀布置在连接板34的两端，缓冲器二36的设置方向与直线导轨二37的移动方向相同，缓冲器二36的导向轴端通过浮动支撑板二39与前端板38固连；
前端板38上设有用于安装转动单元2的固定孔。
所述转动单元2包括安装座21、以及安装在安装座21内的转轴22；
所述安装座21的纵截面为T形结构，所述安装座21安装在前端板38的固定孔内，转轴22的一端通过双列圆锥子轴承23装配至安装座21内，转轴22的端部设置有对双列圆锥子轴承23进行定位的前端盖24，位于前端盖24与双列圆锥子轴承23之间的转轴22上依次装配有轴套25、止动垫圈26和圆螺母27，本技术方案中的双列圆锥子轴承23采用352214X2型号轴承；
转轴22的另一端装配有深沟球轴承28，本技术方案中的深沟球轴承28采用6010-2RZ型号轴承，转轴22的另一端端部通过后端盖29将深沟球轴承28定位至安装座21内，所述后端盖29用于轴承定位及密封。
所述芯棒组件1通过连接法兰4与转轴22固定连接，本技术方案可对管体、芯棒组件1、转轴22及码盘6同步旋转，芯棒组件1与连接法兰4之间设置有缓冲垫5，所述缓冲垫5用于减震缓冲；
本技术方案中采用的芯棒组件1为现场采购部件，本专利申请并未对其本身进行改进，本技术方案中的芯棒组件1可根据不同规格钢管采用不同的规格型号，以满足现场检测需求即可。
转轴22远离芯棒组件1的一端端部固定设置有用于检测有管信号的码盘6；
安装座21的外壁上固定设置有传感器支架7，传感器支架7上设置有检测管体到位信号的接近开关8。
安装座21上还设有用于对双列圆锥子轴承23进行润滑的直通式压注油杯9。
通过超声波管端检测芯棒浮动机构的结构设计理念，对于不同规格钢管采用不同规格的芯棒组件1，通过四方位缓冲器对钢管内壁进行同步浮动抑制端部晃动，很好地解决了钢管由于直线度偏差问题，在旋转时端部晃动程 度较大，导致探头在检测钢管端部时声波入射角度发生改变，严重影响检测信号的问题。
以上所述仅为本实用新型的较佳实施例而已，并不用以限制本实用新型，凡在本实用新型的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本实用新型的保护范围之内。

Claims (8)

  1. 一种超声波管端检测用芯棒浮动机构，其特征在于：包括芯棒组件(1)、转动单元(2)和浮动缓冲单元(3)，所述芯棒组件(1)的检测端插入至管端内，所述芯棒组件(1)的固定端与转动单元(2)固连，所述转动单元(2)随芯棒组件(1)同步转动，所述转动单元(2)设置在浮动缓冲单元(3)的中央位置，所述浮动缓冲单元(3)安装至设备本体上，用于对管端晃动进行同步浮动缓冲抑制。
  2. 根据权利要求1所述的一种超声波管端检测用芯棒浮动机构，其特征在于：所述浮动缓冲单元(3)包括基板(31)，所述基板(31)安装至设备本体上，浮动模块一、浮动模块二上下叠放设置，且浮动模块一与浮动模块二呈垂直方向运动；
    基板(31)的中心位置设有供转动单元(2)动作的贯穿孔。
  3. 根据权利要求2所述的一种超声波管端检测用芯棒浮动机构，其特征在于：所述浮动模块一包括缓冲器一(32)、直线导轨一(33)和连接板(34)，所述直线导轨一(33)和缓冲器一(32)的数量均为多个，多个直线导轨一(33)固定设置在基板(31)上，连接板(34)固定设置在多个直线导轨一(33)上；
    缓冲器一(32)通过安装板一(310)安装至基板(31)上，多个缓冲器一(32)分别均匀布置在基板(31)的两端，缓冲器一(32)的设置方向与直线导轨一(33)的移动方向相同，缓冲器一(32)的导向轴端通过浮动支撑板一(35)与连接板(34)固连；
    连接板(34)的中心位置设有与贯穿孔对应的通孔。
  4. 根据权利要求3所述的一种超声波管端检测用芯棒浮动机构，其特征在于：所述浮动模块二包括缓冲器二(36)、直线导轨二(37)和前端板(38)，所述直线导轨二(37)和缓冲器二(36)的数量均为多个，多个直线导轨二(37) 固定设置在连接板(34)上，前端板(38)固定设置在多个直线导轨二(37)上；
    缓冲器二(36)通过安装板二(311)安装至连接板(34)上，多个缓冲器二(36)分别均匀布置在连接板(34)的两端，缓冲器二(36)的设置方向与直线导轨二(37)的移动方向相同，缓冲器二(36)的导向轴端通过浮动支撑板二(39)与前端板(38)固连；
    前端板(38)上设有用于安装转动单元(2)的固定孔。
  5. 根据权利要求4所述的一种超声波管端检测用芯棒浮动机构，其特征在于：所述转动单元(2)包括安装座(21)、以及安装在安装座(21)内的转轴(22)；
    所述安装座(21)的纵截面为T形结构，所述安装座(21)安装在前端板(38)的固定孔内，转轴(22)的一端通过双列圆锥子轴承(23)装配至安装座(21)内，转轴(22)的端部设置有对双列圆锥子轴承(23)进行定位的前端盖(24)，位于前端盖(24)与双列圆锥子轴承(23)之间的转轴(22)上依次装配有轴套(25)、止动垫圈(26)和圆螺母(27)；
    转轴(22)的另一端装配有深沟球轴承(28)，转轴(22)的另一端端部通过后端盖(29)将深沟球轴承(28)定位至安装座(21)内。
  6. 根据权利要求5所述的一种超声波管端检测用芯棒浮动机构，其特征在于：所述芯棒组件(1)通过连接法兰(4)与转轴(22)固定连接，芯棒组件(1)与连接法兰(4)之间设置有缓冲垫(5)。
  7. 根据权利要求5所述的一种超声波管端检测用芯棒浮动机构，其特征在于：转轴(22)远离芯棒组件(1)的一端端部固定设置有用于检测有管信号的码盘(6)；
    安装座(21)的外壁上固定设置有传感器支架(7)，传感器支架(7)上设置 有检测管体到位信号的接近开关(8)。
  8. 根据权利要求5所述的一种超声波管端检测用芯棒浮动机构，其特征在于：安装座(21)上还设有用于对双列圆锥子轴承(23)进行润滑的直通式压注油杯(9)。
PCT/CN2022/119561 2022-08-24 2022-09-19 一种超声波管端检测用芯棒浮动机构 WO2024040654A1 (zh)

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