CN108318363B - Detection device and detection method for wear of bottom pivot mushroom head - Google Patents
Detection device and detection method for wear of bottom pivot mushroom head Download PDFInfo
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- 235000001674 Agaricus brunnescens Nutrition 0.000 title claims abstract description 70
- 238000001514 detection method Methods 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 239000000523 sample Substances 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
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- 238000012360 testing method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 3
- 239000004519 grease Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
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- 239000002699 waste material Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000009614 chemical analysis method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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Abstract
Description
技术领域Technical field
本发明属于机械检测技术领域，具体涉及用于底枢蘑菇头磨损的检测装置及其检测方法。The invention belongs to the technical field of mechanical detection, and specifically relates to a detection device for bottom pivot mushroom head wear and a detection method thereof.
背景技术Background technique
随着中国内陆航运的发展，江河中船只通行量大大增加，船闸的通过量远超它的设计量，船闸经常处于满荷通行或者超荷通行。由于闸门的日开关次数过多，造成闸门底枢蘑菇头磨损而使闸门有一定角度的倾斜，导致闸门不能关紧。所以预测出底枢摩擦副磨损失效的时间，及时地维修和更换底枢比完全失效后去更换所花时间少得多，大大减少船闸暂时不通行带来的经济损失。With the development of China's inland shipping, the traffic volume of ships in rivers has greatly increased, and the throughput of ship locks far exceeds its design capacity. Ship locks are often at full capacity or overload. Due to too many daily opening and closing times of the gate, the mushroom head of the bottom pivot of the gate is worn and the gate is tilted at a certain angle, resulting in the gate not being able to be closed tightly. Therefore, it is possible to predict the wear and failure time of the bottom pivot friction pair, and timely repair and replacement of the bottom pivot will take much less time than replacing the bottom pivot after complete failure, greatly reducing the economic losses caused by the temporary closure of the ship lock.
为了研究底枢摩擦副摩擦磨损机理，需设计并制造一套人字闸门底枢摩擦副磨损模拟试验台，通过调节各种试验参数以模拟底枢的真实运转工况。以磨损量为判断标准，得出各因素对底枢摩擦副磨损影响程度。试验台制造完成后，试验过程中需离线检测出底枢摩擦副的磨损状况，因此需进行底枢摩擦副摩擦磨损试验。在试验的过程中，闸门运行到一定次数需拆卸底枢观察磨损状况，因此对底枢磨损进行检测。底枢重量较大，一般有几十千克，底枢磨损量也不大，称重法测量精度达不到要求；底枢蘑菇头是曲面，难以直接测量其磨痕长度、深度，故不可用标尺直接测量；底枢磨损磨屑不易收集，难以准确称磨屑重量，在脂润滑条件下磨屑会混入废脂中，分离手段复杂，且依赖对废脂的取样,故磨屑分析法也不适用；定义底枢使用寿命，需确定最大磨损量，拟采用最大磨损深度来表征，最大磨损深度达到一定值就相当于底枢达到预期寿命，因此采用的磨损检测方法需能测出最大磨损深度，而化学分析法不适用；试验过程中，一件试样需运行一定次数后需测一次磨损量，完成一次试验需检测几次试验的磨损量，所以设计一种耗时少、准确度高的磨损检测装置及检测方法具有十分重要的意义。In order to study the friction and wear mechanism of the bottom pivot friction pair, it is necessary to design and manufacture a set of friction and wear simulation test benches for the bottom pivot friction pair of the herringbone gate. The real operating conditions of the bottom pivot can be simulated by adjusting various test parameters. Using the wear amount as the judgment criterion, the degree of influence of various factors on the wear of the bottom pivot friction pair is obtained. After the test bench is manufactured, the wear status of the bottom pivot friction pair needs to be detected offline during the test process, so a friction and wear test of the bottom pivot friction pair needs to be performed. During the test, when the gate runs for a certain number of times, the bottom pivot needs to be disassembled to observe the wear condition, so the wear of the bottom pivot is tested. The weight of the bottom pivot is large, usually tens of kilograms, and the wear amount of the bottom pivot is not large, so the measurement accuracy of the weighing method cannot meet the requirements; the mushroom head of the bottom pivot is a curved surface, and it is difficult to directly measure the length and depth of the wear marks, so it cannot be used The scale is directly measured; the wear debris of the bottom pivot is difficult to collect, and it is difficult to accurately weigh the wear debris. Under grease lubrication conditions, the wear debris will be mixed into waste grease. The separation method is complex and relies on sampling of waste grease, so the wear debris analysis method is also Not applicable; To define the service life of the bottom pivot, it is necessary to determine the maximum wear amount, which is intended to be characterized by the maximum wear depth. When the maximum wear depth reaches a certain value, it is equivalent to the expected life of the bottom pivot. Therefore, the wear detection method used must be able to measure the maximum wear. Depth, and the chemical analysis method is not applicable; during the test process, a sample needs to be run a certain number of times and the wear amount needs to be measured once. To complete a test, it is necessary to detect the wear amount of several tests, so designing a method that is less time-consuming and more accurate High-end wear detection devices and detection methods are of great significance.
发明内容Contents of the invention
本发明所要解决的技术问题是提供一种用于底枢蘑菇头磨损的检测装置及其检测方法，不仅检测装置的结构简单、操作方便和制作成本低，能对不同尺寸的底枢蘑菇头进行磨损检测，而且检测方法步骤简单，能够突破球面磨损量难以测量的限制，提高检测结果的准确性。The technical problem to be solved by the present invention is to provide a detection device for bottom pivot mushroom head wear and a detection method thereof. The detection device not only has a simple structure, is easy to operate and has low production cost, but can also detect bottom pivot mushroom heads of different sizes. Wear detection, and the detection method has simple steps, can break through the limitation that the spherical wear amount is difficult to measure, and improve the accuracy of the detection results.
为解决上述技术问题，本发明所采用的技术方案是：用于底枢蘑菇头磨损的检测装置，包括底座、载物台、立柱和测量装置，载物台与底座轴连接，立柱与底座固定连接，测量装置通过连接杆与立柱连接，连接杆带动测量装置在竖直方向移动；In order to solve the above technical problems, the technical solution adopted by the present invention is: a detection device for bottom pivot mushroom head wear, including a base, a stage, a column and a measuring device, the stage is connected to the base shaft, and the column is fixed to the base. Connection, the measuring device is connected to the column through a connecting rod, and the connecting rod drives the measuring device to move in the vertical direction;
所述的测量装置包括与测量杆相连的传感检测器，传感检测器用于检测测量杆在水平方向的位移。The measuring device includes a sensor detector connected to the measuring rod, and the sensor detector is used to detect the displacement of the measuring rod in the horizontal direction.
优选的方案中，所述的载物台侧面均匀布置四个握柄，蘑菇头放置于载物台的凹孔中，凹孔侧壁设有两个对称的螺杆孔，通过螺杆将蘑菇头顶紧固定于载物台上，载物台顶面设有角度盘，载物台底部通过旋转轴与底座连接。In the preferred solution, four handles are evenly arranged on the side of the stage, and the mushroom head is placed in the concave hole of the stage. The side wall of the concave hole is provided with two symmetrical screw holes, and the mushroom head is tightened by the screw. It is fixed on the stage, the top surface of the stage is equipped with an angle plate, and the bottom of the stage is connected to the base through a rotation axis.
优选的方案中，所述的立柱设有竖直滑槽和第一滑块，连接杆一端与第一滑块固定连接，连接杆沿立柱在竖直方向移动。In a preferred solution, the upright column is provided with a vertical chute and a first slide block. One end of the connecting rod is fixedly connected to the first slide block, and the connecting rod moves in the vertical direction along the upright column.
优选的方案中，所述的测量装置为千分表。In a preferred solution, the measuring device is a dial indicator.
优选的方案中，所述的连接杆设有水平滑槽和第二滑块，测量杆与第二滑块固定连接，测量杆沿连接杆在水平方向移动。In a preferred solution, the connecting rod is provided with a horizontal chute and a second slide block, the measuring rod is fixedly connected to the second sliding block, and the measuring rod moves in the horizontal direction along the connecting rod.
优选的方案中，所述的连接杆在靠近待测底枢蘑菇头的一端设有磁性材料制成的测针，测针能自动吸附在铁质底枢蘑菇头的表面。In a preferred solution, the connecting rod is provided with a stylus made of magnetic material at one end close to the bottom pivot mushroom head to be measured, and the stylus can be automatically adsorbed on the surface of the iron bottom pivot mushroom head.
优选的方案中，还包括控制系统，所述的控制系统包括旋转电机和计算机，旋转电机安装在底座上，旋转电机的输出轴与载物台底部连接，计算机分别与旋转电机和传感检测器电连接，传感检测器为光栅尺传感器，计算机控制旋转电机带动载物台旋转的角度，光栅尺传感器将检测的信号传输至计算机。In the preferred solution, a control system is also included. The control system includes a rotating motor and a computer. The rotating motor is installed on the base. The output shaft of the rotating motor is connected to the bottom of the stage. The computer is connected to the rotating motor and the sensing detector respectively. Electrical connection, the sensing detector is a grating ruler sensor, the computer controls the rotation angle of the rotating motor to drive the stage, and the grating ruler sensor transmits the detected signal to the computer.
优选的方案中，所述的立柱包括电动伸缩杆，电动伸缩杆与计算机电连接，计算机控制电动伸缩杆带动连接杆在竖直方向移动。In a preferred solution, the upright column includes an electric telescopic rod, the electric telescopic rod is electrically connected to the computer, and the computer controls the electric telescopic rod to drive the connecting rod to move in the vertical direction.
为解决上述技术问题，本发明还提供采用所述的检测装置对底枢蘑菇头磨损的检测方法，其特征是：包含如下步骤：In order to solve the above technical problems, the present invention also provides a method for detecting the wear of the bottom pivot mushroom head using the detection device, which is characterized by: including the following steps:
1）将底枢蘑菇头表面清理干净后，放置在载物台上；1) Clean the surface of the bottom pivot mushroom head and place it on the stage;
2）安装测量装置，将其测量杆调整到合适位置并调零；2) Install the measuring device, adjust its measuring rod to the appropriate position and zero;
3）载物台旋转一定角度，使测量装置的测针与蘑菇头球面接触，测得该点的数据，待载物台旋转测量一个圆周的数据后，通过连接杆带动测量装置在竖直方向移动一定距离，再将载物台旋转一定角度，测得下一圆周的数据，以此周期测量，直至将整个球面测量完毕，获得蘑菇头的球面数据；3) The stage is rotated at a certain angle so that the measuring needle of the measuring device is in contact with the spherical surface of the mushroom head, and the data at that point is measured. After the stage is rotated to measure the data of a circle, the measuring device is driven vertically through the connecting rod. Move a certain distance in the direction, then rotate the stage at a certain angle to measure the data of the next circle, and measure with this cycle until the entire spherical surface is measured, and the spherical surface data of the mushroom head is obtained;
4）将所得数据进行分析处理，得出蘑菇头的表面轮廓图；4) Analyze and process the obtained data to obtain the surface profile of the mushroom head;
5）将磨损前和磨损后的球面轮廓图进行比对，获得底枢蘑菇头的磨损特征，其中的体积差为整体磨损量，还包括局部的磨损面积、磨损深度、磨损宽度等磨损特征量。5) Compare the spherical contours before and after wear to obtain the wear characteristics of the bottom pivot mushroom head. The volume difference is the overall wear amount, and also includes local wear area, wear depth, wear width and other wear characteristic amounts. .
优选的方案中，所述的旋转一定角度为1-10度，移动一定距离为1-5mm。In a preferred solution, the rotation angle is 1-10 degrees, and the movement distance is 1-5 mm.
本发明提供用于底枢蘑菇头磨损的检测装置及其检测方法，利用载物台旋转底枢蘑菇头，通过测量杆的测针与蘑菇头表面接触，获得一个圆周的轮廓数据后，通过连接杆带动测量装置在竖直方向移动，测得不同圆周的轮廓数据，获得蘑菇头的球面数据，对数据处理后重构出蘑菇头的球面，将磨损前和磨损后的球面进行比对，从而获得蘑菇头的磨损特征，实现对磨损表面的粗糙度、磨损长度、磨损形状以及磨损体积等参数的检测和评估，便于磨损机理研究，对预防和减缓磨损具有重要意义。本发明提供的检测装置具有结构简单、操作方便和制作成本低等优点，可对不同尺寸的底枢蘑菇头进行磨损检测，而且其检测方法步骤简单，能够突破球面磨损量难以测量的限制，提高检测的效率和准确性，可对曲面物体的磨损进行高精度检测。此外，本发明不局限于底枢蘑菇头的磨损检测，还适用于其它曲面物体的磨损检测，应用范围广泛。The invention provides a detection device for wear of the bottom pivot mushroom head and a detection method thereof. The stage is used to rotate the bottom pivot mushroom head, and the probe of the measuring rod is in contact with the surface of the mushroom head. After obtaining the contour data of a circle, it is connected through the connection The rod drives the measuring device to move in the vertical direction, measuring the contour data of different circles, and obtaining the spherical surface data of the mushroom head. After processing the data, the spherical surface of the mushroom head is reconstructed, and the spherical surfaces before and after wear are compared. Obtain the wear characteristics of the mushroom head and detect and evaluate parameters such as the roughness, wear length, wear shape, and wear volume of the worn surface, which facilitates the study of wear mechanisms and is of great significance for preventing and slowing down wear. The detection device provided by the invention has the advantages of simple structure, convenient operation and low production cost. It can detect the wear of bottom pivot mushroom heads of different sizes, and its detection method has simple steps and can break through the limitation that the spherical surface wear amount is difficult to measure, and improve The efficiency and accuracy of detection enable high-precision detection of wear on curved surface objects. In addition, the present invention is not limited to the wear detection of the bottom pivot mushroom head, but is also suitable for the wear detection of other curved surface objects, and has a wide range of applications.
附图说明Description of the drawings
下面结合附图和实施例对本发明作进一步说明：The present invention will be further described below in conjunction with the accompanying drawings and examples:
图1为本发明的结构示意图；Figure 1 is a schematic structural diagram of the present invention;
图2为本发明的俯视示意图；Figure 2 is a schematic top view of the present invention;
图3为本发明中载物台的结构示意图；Figure 3 is a schematic structural diagram of the stage in the present invention;
图4为本发明的控制结构示意图；Figure 4 is a schematic diagram of the control structure of the present invention;
图中：底座1，载物台2，立柱3，测量装置4，连接杆5，测量杆6，传感检测器7，第二滑块8，测针9，旋转电机10，计算机11，电动伸缩杆12，握柄201，螺杆孔202，旋转轴203。In the picture: base 1, stage 2, column 3, measuring device 4, connecting rod 5, measuring rod 6, sensor detector 7, second slider 8, stylus 9, rotating motor 10, computer 11, electric Telescopic rod 12, handle 201, screw hole 202, rotating shaft 203.
具体实施方式Detailed ways
为了使本技术领域的人员更好地理解本发明的技术方案，下面结合实施例对本发明作进一步详细的说明，实施例仅用于说明本发明，不限于本发明的范围。In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to examples. The examples are only used to illustrate the present invention and are not limited to the scope of the present invention.
如图1-4中，用于底枢蘑菇头磨损的检测装置，包括底座1、载物台2、立柱3和测量装置4，载物台2与底座1轴连接，立柱3与底座1固定连接，测量装置4通过连接杆5与立柱3连接，连接杆5带动测量装置4在竖直方向移动，所述的测量装置4包括与测量杆6相连的传感检测器7，传感检测器7用于检测测量杆6在水平方向的位移。利用载物台2带动底枢蘑菇头旋转，通过测量杆6与蘑菇头表面接触，获得一个圆周的轮廓数据后，通过连接杆5带动测量装置4在竖直方向移动，测得不同圆周的轮廓数据，获得蘑菇头的球面数据，对数据处理后重构出蘑菇头的球面，将磨损前和磨损后的球面进行比对，从而获得蘑菇头的磨损特征，实现对磨损表面的粗糙度、磨损长度、磨损形状以及磨损体积等参数的检测和评估。As shown in Figure 1-4, the detection device for bottom pivot mushroom head wear includes a base 1, a stage 2, a column 3 and a measuring device 4. The stage 2 is axially connected to the base 1, and the column 3 is fixed to the base 1. The measuring device 4 is connected to the column 3 through the connecting rod 5. The connecting rod 5 drives the measuring device 4 to move in the vertical direction. The measuring device 4 includes a sensing detector 7 connected to the measuring rod 6. The sensing detector 7 is used to detect the displacement of the measuring rod 6 in the horizontal direction. The stage 2 is used to drive the bottom pivot mushroom head to rotate, and the measuring rod 6 is in contact with the surface of the mushroom head. After obtaining the contour data of a circle, the measuring device 4 is driven to move in the vertical direction through the connecting rod 5 to measure the contours of different circles. data, obtain the spherical surface data of the mushroom head, reconstruct the spherical surface of the mushroom head after processing the data, compare the spherical surface before wear and after wear, thereby obtaining the wear characteristics of the mushroom head, and realize the roughness and wear of the worn surface. Detection and evaluation of parameters such as length, wear shape and wear volume.
优选的方案中，所述的载物台2侧面均匀布置四个握柄201，蘑菇头放置于载物台的凹孔中，凹孔侧壁设有两个对称的螺杆孔202，通过螺杆将蘑菇头顶紧固定于载物台2上，载物台2顶面设有角度盘，通过角度盘测量载物台2带动蘑菇头旋转角度，载物台2底部通过旋转轴203与底座1连接，实现载物台2自由旋转。In the preferred solution, four handles 201 are evenly arranged on the side of the stage 2, and the mushroom heads are placed in the concave holes of the stage. The side walls of the concave holes are provided with two symmetrical screw holes 202, and the screws are used to secure the handles 201. The mushroom head is tightly fixed on the stage 2. The top surface of the stage 2 is provided with an angle plate. The angle plate is used to measure the rotation angle of the stage 2 to drive the mushroom head. The bottom of the stage 2 is connected to the base 1 through the rotation axis 203. The stage 2 can rotate freely.
优选的方案中，所述的立柱3设有竖直滑槽和第一滑块，连接杆5一端与第一滑块固定连接，连接杆5沿立柱3在竖直方向移动。连接杆5通过第一滑块沿立柱3在竖直方向移动，从而带动测量装置4在竖直方向移动，以测得不同圆周的轮廓数据。In the preferred solution, the upright column 3 is provided with a vertical chute and a first slide block. One end of the connecting rod 5 is fixedly connected to the first slide block, and the connecting rod 5 moves along the upright column 3 in the vertical direction. The connecting rod 5 moves in the vertical direction along the column 3 through the first slider, thereby driving the measuring device 4 to move in the vertical direction to measure the profile data of different circumferences.
优选的方案中，所述的测量装置4为数显千分表，数显千分表可方便、直接读出测量杆的位移，利用对测量杆位于检测的高精度，以提高对底枢蘑菇头磨损的检测精度。In the preferred solution, the measuring device 4 is a digital dial indicator. The digital dial indicator can conveniently and directly read the displacement of the measuring rod, and utilizes the high accuracy of detecting the position of the measuring rod to improve the detection of the bottom pivot mushroom. Detection accuracy of head wear.
优选的方案中，所述的连接杆5设有水平滑槽和第二滑块8，测量杆6与第二滑块8固定连接，测量杆6沿连接杆5在水平方向移动。利用第二滑块8在水平滑槽内滑动，确保测量杆6的移动方向为水平，从而提高检测结果的准确性。In the preferred solution, the connecting rod 5 is provided with a horizontal chute and a second slider 8. The measuring rod 6 is fixedly connected to the second slider 8, and the measuring rod 6 moves in the horizontal direction along the connecting rod 5. The second slide block 8 is used to slide in the horizontal chute to ensure that the moving direction of the measuring rod 6 is horizontal, thereby improving the accuracy of the detection results.
优选的方案中，所述的连接杆5在靠近待测底枢蘑菇头的一端设有磁性材料制成的测针9，测针9能自动吸附在铁质底枢蘑菇头的表面。利用磁力的自动吸附在铁质底枢蘑菇头的表面，一方面使得检测更方便，减轻检测人员的劳动强度，另一方面减少人为操作的误差，提高对曲面物体磨损检测的精度。In a preferred solution, the connecting rod 5 is provided with a probe 9 made of magnetic material at one end close to the bottom pivot mushroom head to be measured. The probe 9 can be automatically adsorbed on the surface of the iron bottom pivot mushroom head. Using magnetic force to automatically adsorb on the surface of the iron pivot mushroom head, on the one hand, it makes the inspection more convenient and reduces the labor intensity of the inspection personnel. On the other hand, it reduces the error of human operation and improves the accuracy of wear detection of curved surface objects.
优选的方案中，还包括控制系统，所述的控制系统包括旋转电机10和计算机11，旋转电机10安装在底座1上，旋转电机10的输出轴与载物台2底部连接，计算机11分别与旋转电机10和传感检测器7电连接，传感检测器7为光栅尺传感器，计算机11控制旋转电机10带动载物台2旋转的角度，光栅尺传感器将检测的信号传输至计算机11。计算机11根据预设的运行参数，控制旋转电机10的旋转角度，自动记录并分析光栅尺传感器的数据信号，减少人为操作的误差，提高检测装置的自动化程度和检测效率，实现对曲面物体的磨损进行高精度检测。In the preferred solution, a control system is also included. The control system includes a rotating motor 10 and a computer 11. The rotating motor 10 is installed on the base 1. The output shaft of the rotating motor 10 is connected to the bottom of the stage 2. The computer 11 is connected to the bottom of the stage 2. The rotating motor 10 is electrically connected to the sensor detector 7. The sensor detector 7 is a grating ruler sensor. The computer 11 controls the angle at which the rotating motor 10 drives the stage 2 to rotate. The grating ruler sensor transmits the detected signal to the computer 11. The computer 11 controls the rotation angle of the rotating motor 10 according to the preset operating parameters, automatically records and analyzes the data signal of the grating ruler sensor, reduces human operation errors, improves the automation level and detection efficiency of the detection device, and realizes the wear of curved surface objects. Perform high-precision detection.
优选的方案中，所述的立柱3包括电动伸缩杆12，电动伸缩杆12安装在立柱3内，电动伸缩杆12与计算机11电连接，计算机11控制电动伸缩杆12带动连接杆5在竖直方向移动。计算机11根据预设的运行参数，在对底枢蘑菇头进行一个圆周的轮廓数据后，自动控制电动伸缩杆12带动连接杆5在竖直方向移动预设高度，减少人为操作的误差，减轻检测人员的劳动强度，提高对曲面物体磨损检测的精度。In the preferred solution, the column 3 includes an electric telescopic rod 12, which is installed in the column 3. The electric telescopic rod 12 is electrically connected to the computer 11. The computer 11 controls the electric telescopic rod 12 to drive the connecting rod 5 in the vertical direction. direction movement. According to the preset operating parameters, the computer 11 automatically controls the electric telescopic rod 12 to drive the connecting rod 5 to move the preset height in the vertical direction after performing a circumferential outline data on the bottom pivot mushroom head, thereby reducing human operation errors and easing detection. Reduce the labor intensity of personnel and improve the accuracy of wear detection of curved surface objects.
为解决上述技术问题，本发明还提供采用所述的检测装置对底枢蘑菇头磨损的检测方法，其特征是：包含如下步骤：In order to solve the above technical problems, the present invention also provides a method for detecting the wear of the bottom pivot mushroom head using the detection device, which is characterized by: including the following steps:
1）将底枢蘑菇头表面清理干净后，放置在载物台2上；1) Clean the surface of the bottom pivot mushroom head and place it on the stage 2;
2）安装测量装置4，将其测量杆6调整到合适位置并调零；2) Install the measuring device 4, adjust its measuring rod 6 to the appropriate position and zero;
3）载物台旋转一定角度，使测量装置4的测针9与蘑菇头球面接触，测得该点的数据，待载物台旋转测量一个圆周的数据后，通过连接杆5带动测量装置4在竖直方向移动一定距离，再将载物台旋转一定角度，测得下一圆周的数据，以此周期测量，直至将整个球面测量完毕，获得蘑菇头的球面数据；3) The stage is rotated at a certain angle so that the probe 9 of the measuring device 4 is in contact with the mushroom head spherical surface, and the data at that point is measured. After the stage is rotated to measure the data of a circle, the measuring device is driven through the connecting rod 5 4. Move a certain distance in the vertical direction, then rotate the stage at a certain angle, and measure the data of the next circle. Measure with this cycle until the entire spherical surface is measured, and obtain the spherical surface data of the mushroom head;
4）将所得数据进行分析处理，得出蘑菇头的表面轮廓图；4) Analyze and process the obtained data to obtain the surface profile of the mushroom head;
5）将磨损前和磨损后的球面轮廓图进行比对，获得底枢蘑菇头的磨损特征，其中的体积差为整体磨损量，还包括局部的磨损面积、磨损深度、磨损宽度等磨损特征量。5) Compare the spherical contours before and after wear to obtain the wear characteristics of the bottom pivot mushroom head. The volume difference is the overall wear amount, and also includes local wear area, wear depth, wear width and other wear characteristic amounts. .
优选的方案中，所述的旋转一定角度为3度，移动一定距离为2mm，在满足检测精度的同时，提升检测效率。In the preferred solution, the rotation angle is 3 degrees and the movement distance is 2 mm, which not only meets the detection accuracy, but also improves the detection efficiency.
上述的实施例仅为本发明的优选技术方案，而不应视为对于本发明的限制，本发明的保护范围应以权利要求记载的技术方案，包括权利要求记载的技术方案中技术特征的等同替换方案为保护范围。即在此范围内的等同替换改进，也在本发明的保护范围之内。The above-mentioned embodiments are only preferred technical solutions of the present invention and should not be regarded as limitations of the present invention. The protection scope of the present invention should be based on the technical solutions recorded in the claims, including the equivalent of the technical features in the technical solutions recorded in the claims. The alternative is protection scope. That is, equivalent substitutions and improvements within this scope are also within the protection scope of the present invention.
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| CN112025269B (en) * | 2020-08-28 | 2022-05-10 | 湖南健坤激光科技有限公司 | Big and small lug direction correcting mechanism for handle mushroom head product |
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