CN208238700U - Raceway gap measuring device - Google Patents
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- CN208238700U CN208238700U CN201820995350.XU CN201820995350U CN208238700U CN 208238700 U CN208238700 U CN 208238700U CN 201820995350 U CN201820995350 U CN 201820995350U CN 208238700 U CN208238700 U CN 208238700U
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Abstract
本实用新型提供一种轴承滚道间距测量装置，该轴承滚道间距测量装置包括：腔体部件，在腔体部件内设置有活塞；活动球，通过第一连杆固定连接到活塞的活塞杆；基准球，与腔体部件固定连接；以及仪表，固定安装在腔体部件的外表面，仪表的测头与第一连杆接触，以测量活动球相对于基准球的移动距离。根据本实用新型，能够对轴承滚道间距的波动范围进行快捷测量，从而提高轴承滚道间距的测量频率和效率。
The utility model provides a bearing raceway spacing measuring device. The bearing raceway spacing measuring device includes: a cavity component, a piston is arranged in the cavity component; a movable ball, a piston rod fixedly connected to the piston through a first connecting rod ; The reference ball is fixedly connected to the cavity component; and the instrument is fixedly installed on the outer surface of the cavity component, and the probe of the instrument is in contact with the first connecting rod to measure the movement distance of the movable ball relative to the reference ball. According to the utility model, the fluctuation range of the bearing raceway spacing can be quickly measured, thereby improving the measurement frequency and efficiency of the bearing raceway spacing.
Description
技术领域technical field
本实用新型涉及测量领域，具体来说，涉及一种轴承滚道间距测量装置。The utility model relates to the field of measurement, in particular to a device for measuring the distance between bearing raceways.
背景技术Background technique
轴承是当代机械设备中一种重要零部件，它的主要功能是支撑机械旋转体，降低其运动过程中的摩擦系数，并保证其回转精度。对于设置有多个滚道的轴承而言，滚道之间距离的波动对轴承的性能具有很大影响。因此，需要对滚道之间距离的波动范围进行检测。Bearing is an important part of contemporary mechanical equipment. Its main function is to support the mechanical rotating body, reduce the friction coefficient during its movement, and ensure its rotation accuracy. For bearings provided with multiple raceways, fluctuations in the distance between the raceways have a great influence on the performance of the bearing. Therefore, it is necessary to detect the fluctuation range of the distance between the raceways.
目前通用的测量技术为机床测量和采用轮廓仪进行测量。机床测量方式为在滚道加工完成后在机床上对轴承双滚道间距进行测量，考虑到机床加工可能存在精度问题，机床测量方式不能客观的显示测量数据的真实性。而轮廓仪不便于在车间现场使用，降低了沟间距测量频率，增加不良品的产出。The current common measurement technology is machine tool measurement and profiler measurement. The machine tool measurement method is to measure the distance between the double raceways of the bearing on the machine tool after the raceway processing is completed. Considering that there may be precision problems in machine tool processing, the machine tool measurement method cannot objectively display the authenticity of the measurement data. However, the profiler is not easy to use in the workshop, which reduces the frequency of groove spacing measurement and increases the output of defective products.
因此，现有两种测量方式都受限于测量环境，不便于携带，不能对所有工况环境下的轴承滚道间距的波动进行测量，需对现有测量方式进行更新和改进。Therefore, the existing two measurement methods are limited by the measurement environment, are not easy to carry, and cannot measure the fluctuation of the bearing raceway spacing under all working conditions. The existing measurement methods need to be updated and improved.
实用新型内容Utility model content
为了解决上述问题中的一个或多个，本实用新型提供一种轴承滚道间距测量装置，该轴承滚道间距测量装置包括：腔体部件，在腔体部件内设置有活塞；活动球，通过第一连杆固定连接到活塞的活塞杆；基准球，与腔体部件固定连接；以及仪表，固定安装在腔体部件的外表面，仪表的测头与第一连杆接触，以测量活动球相对于基准球的移动距离。In order to solve one or more of the above problems, the utility model provides a bearing raceway distance measuring device, the bearing raceway distance measurement device includes: a cavity part, a piston is arranged in the cavity part; a movable ball, through The first connecting rod is fixedly connected to the piston rod of the piston; the reference ball is fixedly connected to the cavity part; and the gauge is fixedly mounted on the outer surface of the cavity part, the measuring head of the gauge is in contact with the first connecting rod to measure the movable ball The distance to move relative to the reference sphere.
根据本实用新型的一个优选实施方式，轴承滚道间距测量装置还可以包括至少一个弹性部件，弹性部件设置在活塞的邻近基准球(3)的一端和/或活塞的邻近活动球的另一端。According to a preferred embodiment of the present invention, the bearing raceway distance measuring device may further include at least one elastic component, and the elastic component is arranged on one end of the piston adjacent to the reference ball (3) and/or the other end of the piston adjacent to the movable ball.
根据本实用新型的一个优选实施方式，其特征在于，至少一个弹性部件可以包括：第一弹性部件，位于活塞的一端与腔体部件的内腔底端之间；以及第二弹性部件，套设于活塞杆上，并位于活塞的另一端与腔体部件的内腔顶端之间。According to a preferred embodiment of the present utility model, it is characterized in that at least one elastic component may include: a first elastic component, located between one end of the piston and the bottom end of the cavity of the cavity component; and a second elastic component, sleeved on the piston rod, and between the other end of the piston and the top end of the cavity of the cavity part.
根据本实用新型的一个优选实施方式，轴承滚道间距测量装置还可以包括第二连杆，基准球通过第二连杆固定于腔体部件的外表面。According to a preferred embodiment of the present invention, the bearing raceway distance measuring device may further include a second connecting rod, and the reference ball is fixed on the outer surface of the cavity part through the second connecting rod.
根据本实用新型的一个优选实施方式，基准球可以通过第二连杆固定于腔体部件的底部。According to a preferred embodiment of the present utility model, the reference ball can be fixed to the bottom of the cavity part through the second connecting rod.
根据本实用新型的一个优选实施方式，基准球可以为两个，活动球可以位于两个基准球之间的垂直线上。According to a preferred embodiment of the present invention, there may be two reference balls, and the movable ball may be located on a vertical line between the two reference balls.
根据本实用新型的一个优选实施方式，仪表可以为千分表。According to a preferred embodiment of the utility model, the instrument can be a dial gauge.
根据本实用新型的一个优选实施方式，腔体部件的内部与外部可以连通。According to a preferred embodiment of the present utility model, the inside of the cavity part can communicate with the outside.
根据本实用新型的一个优选实施方式，活动球的尺寸可以与待测轴承中用于安装在第一待测滚道中的钢球的标准尺寸一致并能够在第一待测滚道中滑动，基准球的尺寸可以与待测轴承中用于安装在第二待测滚道中的钢球的标准尺寸一致并能够在第二待测滚道中滑动。According to a preferred embodiment of the present utility model, the size of the movable ball can be consistent with the standard size of the steel ball installed in the first raceway to be tested in the bearing to be tested and can slide in the first raceway to be tested, and the reference ball The size of the bearing to be tested can be consistent with the standard size of the steel balls installed in the second raceway to be tested and can slide in the second raceway to be tested.
根据本实用新型的一个优选实施方式，轴承滚道间距测量装置还可以包括形成于腔体部件的外表面上的夹持部分。According to a preferred embodiment of the present invention, the bearing raceway distance measuring device may further include a clamping portion formed on the outer surface of the cavity member.
根据本实用新型，能够对轴承滚道间距的波动范围进行快捷测量，从而提高轴承滚道间距的测量频率和效率。According to the utility model, the fluctuation range of the distance between the bearing raceways can be quickly measured, thereby improving the measurement frequency and efficiency of the distance between the raceways of the bearing.
附图说明Description of drawings
图1是本实用新型的实施例1的轴承滚道间距测量装置的主视图；Fig. 1 is the front view of the bearing raceway spacing measuring device of embodiment 1 of the present utility model;
图2是本实用新型的实施例2的轴承滚道间距测量装置的主视图；Fig. 2 is the front view of the bearing raceway spacing measuring device of embodiment 2 of the present invention;
图3是使用本实用新型的实施例2的轴承滚道间距测量装置进行测量的示意图。Fig. 3 is a schematic diagram of measuring with the bearing raceway distance measuring device according to the second embodiment of the present invention.
符号说明Symbol Description
1 腔体部件1 chamber parts
11 活塞11 pistons
111 活塞杆111 piston rod
12 第一连杆12 First link
13 第一弹性部件13 First elastic member
14 第二弹性部件14 Second elastic member
15 第二连杆15 Second link
2 活动球2 activity balls
3 基准球3 base balls
4 仪表4 meters
41 测头41 Probe
5 轴承外圈5 bearing outer ring
51 第一待测滚道51 The first raceway to be tested
52 第二待测滚道52 The second raceway to be tested
具体实施方式Detailed ways
本实用新型的发明人依据设置于腔体部件中的活塞结构，根据活动球的跳动来直接测量轴承滚道间距的波动，从而提高轴承滚道间距的测量频率和效率。具体来说，本实用新型的轴承滚道间距测量装置包括：腔体部件，在腔体部件内设置有活塞；活动球，通过第一连杆固定连接到活塞的活塞杆；基准球，与腔体部件固定连接；以及仪表，固定安装在腔体部件的外表面，仪表的测头与第一连杆接触，以测量活动球相对于基准球的移动距离。The inventor of the utility model directly measures the fluctuation of the bearing raceway spacing according to the beating of the movable ball based on the piston structure arranged in the cavity part, thereby improving the measurement frequency and efficiency of the bearing raceway spacing. Specifically, the bearing raceway distance measuring device of the present utility model includes: a cavity part, a piston is arranged in the cavity part; a movable ball is fixedly connected to the piston rod of the piston through a first connecting rod; The body part is fixedly connected; and the instrument is fixedly installed on the outer surface of the cavity part, and the probe of the instrument is in contact with the first connecting rod to measure the moving distance of the movable ball relative to the reference ball.
下面通过实施例，对本实用新型的轴承滚道间距测量装置进行详细说明，但是本实用新型的保护范围不局限于下述实施例。The following examples describe the bearing raceway spacing measuring device of the present invention in detail, but the scope of protection of the present invention is not limited to the following examples.
实施例1Example 1
以下，参照图1对本实用新型的实施例1进行详细描述。图1是本实用新型的实施例1的轴承滚道间距测量装置的主视图。Hereinafter, Embodiment 1 of the present utility model will be described in detail with reference to FIG. 1 . Fig. 1 is a front view of a bearing raceway distance measuring device according to Embodiment 1 of the present invention.
如图1所示，轴承滚道间距测量装置包括腔体部件1、活动球2和基准球3。在腔体部件1内设置有活塞11(在本图中未示出)。活动球2通过第一连杆12固定连接到设置在活塞11的活塞杆111。基准球3与腔体部件1固定连接。在腔体部件1的外表面固定安装有仪表4，仪表4的测头41与第一连杆12接触。As shown in FIG. 1 , the bearing raceway distance measurement device includes a cavity part 1 , a movable ball 2 and a reference ball 3 . A piston 11 (not shown in this figure) is arranged inside the cavity part 1 . The movable ball 2 is fixedly connected to the piston rod 111 provided on the piston 11 through the first connecting rod 12 . The reference ball 3 is fixedly connected with the cavity part 1 . An instrument 4 is fixedly installed on the outer surface of the cavity part 1 , and the probe 41 of the instrument 4 is in contact with the first connecting rod 12 .
在本实施例中，仪表4镶嵌于腔体部件1的外表面，但本实用新型不限于此，仪表4也可以粘接或焊接在腔体部件1的外表面。在本实施例中，仪表4为千分表，但本实用新型不限于此，只要能够通过仪表4的读数，反映测头41的升降距离，就不限制仪表4的具体种类。In this embodiment, the meter 4 is embedded on the outer surface of the cavity part 1 , but the utility model is not limited thereto, and the meter 4 can also be glued or welded on the outer surface of the cavity part 1 . In this embodiment, the instrument 4 is a dial indicator, but the utility model is not limited thereto, as long as the reading of the instrument 4 can reflect the lifting distance of the measuring head 41, the specific type of the instrument 4 is not limited.
具体来说，使用前，可以基于轴承的两条待测滚道间距的基准尺寸对仪表4进行校准或归零。在测量时，将活动球2嵌合在轴承的一条待测滚道上，将基准球3嵌合在轴承的另一条待测滚道上，使活动球2和基准球3沿两条待测滚道运动。当两条待测滚道之间的距离发生波动时，固定于腔体部件1的基准球3相对于腔体部件1的相对位置不变，但是由于第一连杆12固定连接于活塞杆111的活动球2相对于腔体部件1发生跳动，由此，通过仪表4的测头41随时与第一连杆12接触，能够测量出活动球2相对于基准球3的移动距离，从而得出相对应的滚道间距波动的数值。Specifically, before use, the instrument 4 can be calibrated or reset to zero based on the reference dimension of the distance between two raceways of the bearing to be measured. When measuring, fit the movable ball 2 on one raceway to be tested of the bearing, and fit the reference ball 3 on the other raceway to be tested of the bearing, so that the movable ball 2 and the reference ball 3 can move along the two raceways to be measured sports. When the distance between the two raceways to be measured fluctuates, the relative position of the reference ball 3 fixed to the cavity part 1 relative to the cavity part 1 remains unchanged, but since the first connecting rod 12 is fixedly connected to the piston rod 111 The movable ball 2 jumps relative to the cavity part 1, thus, the moving distance of the movable ball 2 relative to the reference ball 3 can be measured through the contact of the measuring head 41 of the instrument 4 with the first connecting rod 12 at any time, thus obtaining Corresponding to the numerical value of the raceway pitch fluctuation.
实施例2Example 2
以下，参照图2和图3对本实用新型的实施例2的轴承滚道间距测量装置的结构及其测量过程进行详细说明。图2是本实用新型的实施例2的轴承滚道间距测量装置的主视图；图3是使用本实用新型的实施例2的轴承滚道间距测量装置进行测量的示意图。Hereinafter, the structure and measurement process of the bearing raceway distance measuring device according to Embodiment 2 of the present invention will be described in detail with reference to FIG. 2 and FIG. 3 . Fig. 2 is a front view of the bearing raceway distance measuring device of embodiment 2 of the present utility model; Fig. 3 is a schematic diagram of measurement using the bearing raceway distance measuring device of embodiment 2 of the present utility model.
如图2和图3所示，本实施例与实施例1的不同之处在于，基准球3为两个，活动球2位于两个基准球3之间的垂直线上。通过这样的设置，能够确保测量的精确性。当然，本实用新型的基准球3也可以为一个或三个以上，但是，如果设置三个以上基准球3，则会增加接触点及轴承滚道间距测量装置的重量，不易于实际的操作；而设置一个基准球3，则难以确保测量过程中分别位于两个待测滚道中的活动球2和基准球3的同步性。因此，本实用新型的基准球3优选为两个。As shown in FIG. 2 and FIG. 3 , the difference between this embodiment and embodiment 1 is that there are two reference balls 3 , and the movable ball 2 is located on the vertical line between the two reference balls 3 . Through such a setting, the accuracy of measurement can be ensured. Certainly, the reference ball 3 of the present utility model also can be one or more than three, but, if more than three reference balls 3 are provided, the weight of the contact point and the bearing raceway spacing measuring device will be increased, which is not easy for actual operation; However, if one reference ball 3 is provided, it is difficult to ensure the synchronization between the movable ball 2 and the reference ball 3 respectively located in the two raceways to be measured during the measurement process. Therefore, there are preferably two reference balls 3 of the present invention.
另外，本实用新型的轴承滚道间距测量装置可以包括至少一个弹性部件，该弹性部件可以设置在活塞11的邻近基准球3的一端和/或活塞11的邻近所述活动球2的另一端。在本实施例中，弹性部件包括第一弹性部件13和第二弹性部件14。如图3所示，第一弹性部件13位于活塞11的一端与腔体部件1的内腔底端之间。第二弹性部件14套设于活塞杆111上，并位于活塞11的另一端与腔体部件1的内腔顶端之间。通过设置例如第一弹性部件13和第二弹性部件14等这样的弹性部件，能够在测量过程中向活动球2施加弹性应力，使得活动球2更好地追随轴承滚道间距的变化而跳动，提高进一步测量的精确度。在本实施例中，第一弹性部件13和第二弹性部件14为压缩弹簧，但本实用新型不限于此。In addition, the bearing raceway distance measuring device of the present invention may include at least one elastic component, which may be arranged on one end of the piston 11 adjacent to the reference ball 3 and/or the other end of the piston 11 adjacent to the movable ball 2 . In this embodiment, the elastic components include a first elastic component 13 and a second elastic component 14 . As shown in FIG. 3 , the first elastic component 13 is located between one end of the piston 11 and the bottom end of the cavity of the cavity component 1 . The second elastic component 14 is sleeved on the piston rod 111 and located between the other end of the piston 11 and the top end of the cavity of the cavity component 1 . By arranging elastic components such as the first elastic component 13 and the second elastic component 14, elastic stress can be applied to the movable ball 2 during the measurement process, so that the movable ball 2 can better follow the variation of the bearing raceway spacing and jump, Improve the accuracy of further measurements. In this embodiment, the first elastic member 13 and the second elastic member 14 are compression springs, but the present invention is not limited thereto.
另外，本实用新型的基准球3可以通过第二连杆15固定于腔体部件1的底部的外表面上。具体来说，如图2所示，两个基准球3通过第二连杆15固定于腔体部件1的底部。In addition, the reference ball 3 of the present invention can be fixed on the outer surface of the bottom of the cavity part 1 through the second connecting rod 15 . Specifically, as shown in FIG. 2 , two reference balls 3 are fixed on the bottom of the cavity part 1 through the second connecting rod 15 .
另外，虽然未图示，但本实用新型的腔体部件1的内部可以与外部连通。通过这样的设置，避免了活塞11在腔体部件1内活动的过程中，因内部与外部的气压差带来的影响，使活塞11更加顺畅地在腔体部件1内活动。In addition, although not shown, the inside of the cavity member 1 of the present invention may communicate with the outside. Through such arrangement, the influence of the pressure difference between the inside and the outside during the movement of the piston 11 in the cavity part 1 is avoided, so that the piston 11 moves in the cavity part 1 more smoothly.
另外，虽然未图示，但本实用新型的轴承滚道间距测量装置还可以包括形成于腔体部件1的外表面上的夹持部分。通过设置该夹持部分，可以在使用时更加方便地把持该轴承滚道间距测量装置或者将轴承滚道间距测量装置夹持在其他机械操作台上，提高使用操作的便利性。In addition, although not shown in the figure, the bearing raceway distance measuring device of the present invention may also include a clamping portion formed on the outer surface of the cavity part 1 . By arranging the clamping part, it is possible to more conveniently hold the bearing raceway distance measuring device or clamp the bearing raceway distance measuring device on other mechanical operating tables during use, thereby improving the convenience of use and operation.
下面以双滚道轴承为例，结合图3对测量过程进行说明，但本实用新型不限于测量双滚道轴承，也可以用于测量多滚道轴承中的任意两个滚道间距的波动。具体来说，首先，基于轴承外圈5的第一待测滚道51和第二待测滚道52的间距基准尺寸对仪表4(在本实施例中为千分表)进行校准。然后，如图3所示，将活动球2嵌合于轴承外圈5的第一待测滚道51，将两个基准球3嵌合于轴承外圈5的第二待测滚道52，使活动球2和两个基准球3沿滚道移动的同时，读取仪表4上所显示的测头41的移动距离，从而得到对应的滚道间距波动的数值。Taking the double raceway bearing as an example, the measurement process will be described in conjunction with Fig. 3, but the utility model is not limited to the measurement of the double raceway bearing, and can also be used to measure the fluctuation of the distance between any two raceways in the multi-raceway bearing. Specifically, firstly, the instrument 4 (a dial indicator in this embodiment) is calibrated based on the distance reference dimension between the first raceway 51 to be tested and the second raceway 52 to be tested 5 of the bearing outer ring 5 . Then, as shown in FIG. 3 , the movable ball 2 is fitted into the first raceway 51 to be measured of the bearing outer ring 5 , and the two reference balls 3 are fitted into the second raceway 52 to be measured of the bearing outer ring 5 , While moving the movable ball 2 and the two reference balls 3 along the raceway, read the moving distance of the measuring head 41 displayed on the instrument 4, so as to obtain the value of the corresponding raceway pitch fluctuation.
需要说明的是，本实用新型的活动球2优选为使用轴承中用于设置在第一待测滚道51中的钢球，基准球3优选为使用轴承中用于设置在第二待测滚道52中的钢球。换言之，活动球2的尺寸与用于安装在第一待测滚道51中的钢球的标准尺寸一致并能够在第一待测滚道51中滑动，基准球3的尺寸与用于安装在第二待测滚道52中的钢球的标准尺寸一致并能够在第二待测滚道52中滑动。通过这样的设置，能够直接以与轴承相对应的钢球为测头，测量滚道间距的波动范围。如此，通过使轴承滚道间距测量装置两端的三个钢球模拟钢球在轴承内的滑动，并对滑动过程中两列钢球的瞬时间距进行实时测量，从而反应两列滚道的间距范围。而且，基于基准距离和检测出的该波动数值，也能够精确地测量出滚道间的实际距离。It should be noted that the movable ball 2 of the present utility model is preferably a steel ball used in the bearing to be arranged in the first raceway 51 to be tested, and the reference ball 3 is preferably used in the bearing to be arranged in the second roller to be tested. Steel balls in Road 52. In other words, the size of the movable ball 2 is consistent with the standard size of the steel ball used to be installed in the first raceway 51 to be tested and can slide in the first raceway 51 to be tested, and the size of the reference ball 3 is consistent with the standard size used to be installed in the raceway 51 to be tested. The steel balls in the second raceway 52 to be tested have the same standard size and can slide in the second raceway 52 to be tested. Through such an arrangement, the steel ball corresponding to the bearing can be directly used as a probe to measure the fluctuation range of the distance between the raceways. In this way, the three steel balls at both ends of the bearing raceway spacing measuring device simulate the sliding of the steel balls in the bearing, and measure the instantaneous distance of the two rows of steel balls during the sliding process in real time, so as to reflect the range of the distance between the two rows of raceways . Furthermore, based on the reference distance and the detected fluctuation value, it is also possible to accurately measure the actual distance between the raceways.
综上所述，根据本实用新型，解决了多滚道轴承沟间距的测量难题，对原有测量方案进行了创新性地革新。具体来说，本实用新型结合滚道轴承的滚道特性，通过以对应钢球为支撑点，并基于轴承滚道间距的基准尺寸对滚道间距的整体浮动范围进行直观地检测。本实用新型的优点之一在于提高滚道轴承滚道间距测量精度，优点之二在于提高滚道间距的测量频率和效率。通过本实用新型，能够对每套轴承滚道间距进行测量，改善了原有测量方式的局限性。另外，本实用新型摆脱了传统机床式测量方法，采用较为便捷的方式，可对轴承滚道间距进行随时随地的测量。To sum up, according to the utility model, the difficult problem of measuring the groove spacing of multi-raceway bearings is solved, and the original measurement scheme is innovated innovatively. Specifically, the utility model combines the characteristics of the raceway of the raceway bearing, and visually detects the overall floating range of the raceway distance by using the corresponding steel ball as a support point and based on the reference dimension of the bearing raceway distance. One of the advantages of the utility model is to improve the measurement accuracy of the raceway distance of the raceway bearing, and the second advantage is to improve the measurement frequency and efficiency of the raceway distance. Through the utility model, the distance between the raceways of each set of bearings can be measured, which improves the limitation of the original measurement method. In addition, the utility model gets rid of the traditional machine tool measurement method, adopts a relatively convenient method, and can measure the distance between the bearing raceways anytime and anywhere.
虽然结合上述实施例对本实用新型进行了描述，但本实用新型不限于实施例，在不脱离本实用新型范围的情况下，可以进行各种变形和修改。Although the present utility model has been described in conjunction with the above-mentioned embodiments, the present utility model is not limited to the embodiments, and various variations and modifications can be made without departing from the scope of the present utility model.
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| CN109579665A (en) * | 2018-12-24 | 2019-04-05 | 上海起帆电缆股份有限公司 | Metal tape armor gap measurement method |
| CN111637822A (en) * | 2020-05-13 | 2020-09-08 | 陕西中天火箭技术股份有限公司 | Device and method for measuring radial clearance after assembly of empennage on missile |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109579665A (en) * | 2018-12-24 | 2019-04-05 | 上海起帆电缆股份有限公司 | Metal tape armor gap measurement method |
| CN111637822A (en) * | 2020-05-13 | 2020-09-08 | 陕西中天火箭技术股份有限公司 | Device and method for measuring radial clearance after assembly of empennage on missile |
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