CN205808331U - A kind of inner bore of part coaxality measuring mechanism - Google Patents
A kind of inner bore of part coaxality measuring mechanism Download PDFInfo
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- CN205808331U CN205808331U CN201620763976.9U CN201620763976U CN205808331U CN 205808331 U CN205808331 U CN 205808331U CN 201620763976 U CN201620763976 U CN 201620763976U CN 205808331 U CN205808331 U CN 205808331U
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- 238000001514 detection method Methods 0.000 claims abstract description 30
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 16
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000005259 measurement Methods 0.000 abstract description 9
- 230000007547 defect Effects 0.000 abstract description 2
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- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
本实用新型公开了一种零件内孔同轴度测量装置，包括水平固定座、固定装置和测量装置，固定装置包括竖直底座，竖直底座侧面固定有圆柱套筒，所述圆柱套筒外部套接有带有待测内孔的待测件，测量装置包括百分表和标准检测圆柱体，标准检测圆柱体一端置于待测件的待测内孔内部，百分表安装于水平固定座上，且百分表指针与标准检测圆柱体外圆周面接触，所述圆柱套筒外圆周面上均布设置有三个呈中心对称的钢球一，标准检测圆柱体外圆周面上均布设置有三个呈中心对称的钢球二。本实用新型零件内孔同轴度测量装置，克服现有技术中内孔同轴度检测难度和缺陷，提高检测精度，提高零件质量，满足现有市场上对高精度零件的需求。
The utility model discloses a device for measuring the coaxiality of the inner hole of a part, which comprises a horizontal fixing seat, a fixing device and a measuring device. The fixing device includes a vertical base, and a cylindrical sleeve is fixed on the side of the vertical base. The test piece with the inner hole to be tested is socketed. The measuring device includes a dial indicator and a standard detection cylinder. One end of the standard detection cylinder is placed inside the inner hole of the test piece, and the dial indicator is installed on a horizontal fixed seat, and the pointer of the dial indicator is in contact with the outer circumference of the standard detection cylinder, three center-symmetrical steel balls are evenly distributed on the outer circumference of the cylinder sleeve, and three steel balls are evenly distributed on the outer circumference of the standard detection cylinder. There are two steel balls that are symmetrical about the center. The utility model discloses a part inner hole coaxiality measurement device, which overcomes the difficulty and defects of the inner hole coaxiality detection in the prior art, improves the detection accuracy, improves the part quality, and satisfies the demand for high-precision parts in the existing market.
Description
技术领域technical field
本实用新型属于检测量具领域，更具体的说涉及一种零件内孔同轴度测量装置。The utility model belongs to the field of measuring instruments, in particular to a device for measuring the coaxiality of inner holes of parts.
背景技术Background technique
在机械零件中，位置误差测量是个难点，特别是某些零件的特殊要求用通用测量仪器无法检测，零件内孔内径不同，外端孔内径大于内端孔内径，以外端孔为基准，内端孔相对于外端孔有同轴度要求，无法用通用仪器检测。In mechanical parts, position error measurement is a difficult point, especially the special requirements of some parts cannot be detected by general-purpose measuring instruments. The inner diameters of parts are different. The hole has a coaxiality requirement relative to the outer end hole, which cannot be detected with a general-purpose instrument.
实用新型内容Utility model content
本实用新型的目的在于提供一种零件内孔同轴度测量装置，克服现有技术中内孔同轴度检测难度和缺陷，提高检测精度和降低检测操作难度，提高零件质量，以满足现有市场上对高精度零件的需求。The purpose of this utility model is to provide a device for measuring the coaxiality of the inner hole of the part, which overcomes the difficulty and defects of the inner hole coaxiality detection in the prior art, improves the detection accuracy and reduces the difficulty of the detection operation, and improves the quality of the parts to meet the existing requirements. Demand for high-precision parts in the market.
本实用新型技术方案一种零件内孔同轴度测量装置，包括水平固定座，所述水平固定座上设置有固定装置和测量装置，所述固定装置包括设置于水平固定座上部的竖直底座，所述竖直底座侧面固定有圆柱套筒，所述圆柱套筒外部套接有带有待测内孔的待测件，所述测量装置包括百分表和标准检测圆柱体，所述标准检测圆柱体一端置于待测件的待测内孔内部，所述百分表安装于水平固定座上，且百分表指针与标准检测圆柱体外圆周面接触，所述圆柱套筒外圆周面上均布设置有三个呈中心对称的盲孔一，所述盲孔一内设置有弹簧一，所述弹簧一上固定有钢球一，所述钢球一直径与盲孔一直径相适应，所述标准检测圆柱体外圆周面上均布设置有三个呈中心对称的盲孔二，所述盲孔二内设置有弹簧二，所述弹簧二上固定有钢球二，所述钢球二直径与盲孔二直径相适应。The technical solution of the utility model is a device for measuring the coaxiality of the inner hole of a part, including a horizontal fixing seat, on which a fixing device and a measuring device are arranged, and the fixing device includes a vertical base arranged on the upper part of the horizontal fixing seat , the side of the vertical base is fixed with a cylindrical sleeve, and the outside of the cylindrical sleeve is sleeved with a test piece with an inner hole to be measured. The measuring device includes a dial indicator and a standard detection cylinder. The standard One end of the detection cylinder is placed inside the inner hole of the test piece, the dial indicator is installed on the horizontal fixed seat, and the pointer of the dial indicator is in contact with the outer peripheral surface of the standard detection cylinder, and the outer peripheral surface of the cylindrical sleeve is There are three centrally symmetrical blind holes 1 evenly distributed on the top, and a spring 1 is arranged in the blind holes 1, and a steel ball 1 is fixed on the spring 1, and the diameter of the steel ball 1 is adapted to the diameter of the blind hole 1. Three center-symmetrical blind holes 2 are evenly distributed on the outer peripheral surface of the standard detection cylinder, and a spring 2 is arranged in the blind hole 2, and a steel ball 2 is fixed on the spring 2, and the diameter of the steel ball 2 is Compatible with the second diameter of the blind hole.
优选的，所述竖直底座和圆柱套筒内分别设置有同轴的中心柱孔，所述中心柱孔直径大于待测件的待测内孔直径。Preferably, coaxial central column holes are respectively provided in the vertical base and the cylindrical sleeve, and the diameter of the central column hole is larger than the diameter of the inner hole of the test piece.
优选的，所述水平固定座上设置有滑道，所述滑道内设置有百分表安装座，所述百分表安装座可沿滑道滑动。Preferably, a slideway is provided on the horizontal fixing seat, and a dial indicator mounting seat is arranged in the slideway, and the dial indicator mounting seat can slide along the slideway.
优选的，所述圆柱套筒与竖直底座为可拆卸连接。Preferably, the cylindrical sleeve is detachably connected to the vertical base.
本实用新型技术有益效果：Beneficial effects of the utility model technology:
本实用新型技术方案的一种零件内孔同轴度测量装置，利用标准检测圆柱体将待测件的待测内孔引出，利用测量标准检测圆柱体外圆周面的同轴度来实现对待测件的待测内孔同轴度的测量，测量方便直观，且待测件安装方便快捷，可以实现零件内孔同轴度的快速、精准的测量，提高待测件的质量。A device for measuring the coaxiality of the inner hole of a part according to the technical solution of the utility model uses a standard detection cylinder to lead out the inner hole of the piece to be tested, and uses the measurement standard to detect the coaxiality of the outer circumferential surface of the cylinder to realize the measurement of the piece to be tested The measurement of the coaxiality of the inner hole to be tested is convenient and intuitive, and the installation of the test piece is convenient and fast, which can realize the fast and accurate measurement of the coaxiality of the inner hole of the part and improve the quality of the test piece.
附图说明Description of drawings
图1为本实用新型一种零件内孔同轴度测量装置结构示意图，Fig. 1 is a structural schematic diagram of a device for measuring the coaxiality of the inner hole of a part of the utility model,
图2为本实用新型一种零件内孔同轴度测量装置另一种测量方式示意图，Fig. 2 is a schematic diagram of another measuring method of a part inner hole coaxiality measuring device of the present invention,
图3为本实用新型一种零件内孔同轴度测量装置的圆柱套筒横截面图，Fig. 3 is a cross-sectional view of a cylindrical sleeve of a part inner hole coaxiality measuring device of the utility model,
图4为本一种零件内孔同轴度测量装置的标准检测圆柱体横截面图。Fig. 4 is a cross-sectional view of a standard detection cylinder of the device for measuring the coaxiality of the inner hole of a part.
具体实施方式detailed description
为便于本领域技术人员理解本实用新型技术方案，现结合说明书附图对本实用新型技术方案做进一步的说明。In order to make it easier for those skilled in the art to understand the technical solution of the utility model, the technical solution of the utility model is further described in conjunction with the accompanying drawings.
如图1所示，待测件4为圆柱体，其内部包括一同轴度基准圆柱面11和待测内孔5，同轴度基准圆柱面11同时也为待测件4的安装面。As shown in FIG. 1 , the test piece 4 is a cylinder, which includes a coaxiality reference cylindrical surface 11 and an inner hole 5 to be tested. The coaxiality reference cylindrical surface 11 is also the mounting surface of the test piece 4 .
如图1、图3和图4，一种零件内孔同轴度测量装置，包括水平固定座1，所述水平固定座1上设置有固定装置和测量装置，所述固定装置包括设置于水平 固定座1上部的竖直底座2，所述竖直底座2侧面固定有圆柱套筒3，所述圆柱套筒3外部套接有带有待测内孔5的待测件4，所述测量装置包括百分表7和标准检测圆柱体6，所述标准检测圆柱体6一端置于待测件4的待测内孔5内部，所述百分表7安装于水平固定座1上，且百分表指针9与标准检测圆柱体6外圆周面接触，采用本结构的零件内孔同轴度测量装置，是利用标准检测圆柱体6将待测件4的待测内孔5引出，并利用百分表7测量标准检测圆柱体6外圆周面的同轴度来实现对待测件4的待测内孔5同轴度的测量。As shown in Figure 1, Figure 3 and Figure 4, a device for measuring the coaxiality of the inner hole of a part includes a horizontal fixed seat 1, and the horizontal fixed seat 1 is provided with a fixing device and a measuring device. The vertical base 2 on the upper part of the fixed seat 1, the side of the vertical base 2 is fixed with a cylindrical sleeve 3, and the external sleeve of the cylindrical sleeve 3 is sleeved with a test piece 4 with an inner hole 5 to be measured. The device includes a dial indicator 7 and a standard detection cylinder 6, one end of the standard detection cylinder 6 is placed inside the inner hole 5 of the test piece 4, the dial indicator 7 is installed on the horizontal fixed seat 1, and The dial indicator pointer 9 is in contact with the outer circumferential surface of the standard detection cylinder 6, and the part inner hole coaxiality measuring device adopting this structure is to use the standard detection cylinder 6 to draw the inner hole 5 of the test piece 4 out, and The measurement of the coaxiality of the inner hole 5 of the test piece 4 is realized by using the dial indicator 7 to measure the coaxiality of the outer peripheral surface of the standard detection cylinder 6 .
如图3所示，所述圆柱套筒3外圆周面上均布设置有三个呈中心对称的盲孔一31，所述盲孔一31内设置有弹簧一32，所述弹簧一32上固定有钢球一33，所述钢球一33直径与盲孔一31直径相适应，采用这种结构的圆柱套筒3，是利用弹簧一32和钢球一33实现对待测件4的固定，且能够保证待测件4的基准圆柱面11与圆柱套筒3同轴安装，保证圆柱套筒3轴线及基准圆柱面11轴线与水平固定座1平行.As shown in Fig. 3, three centrally symmetrical blind holes 31 are evenly distributed on the outer circumference of the cylindrical sleeve 3, and a spring 32 is arranged in the blind hole 31, and the spring 32 is fixed There is a steel ball 33, the diameter of the steel ball 33 is compatible with the diameter of the blind hole 31, and the cylindrical sleeve 3 adopting this structure is to use the spring 32 and the steel ball 33 to realize the fixing of the test piece 4, And it can ensure that the reference cylindrical surface 11 of the test piece 4 is installed coaxially with the cylindrical sleeve 3, and ensure that the axis of the cylindrical sleeve 3 and the axis of the reference cylindrical surface 11 are parallel to the horizontal fixed seat 1.
如图4所示，所述标准检测圆柱体6外圆周面上均布设置有三个呈中心对称的盲孔二61，所述盲孔二61内设置有弹簧二62，所述弹簧二62上固定有钢球二63，所述钢球二63直径与盲孔二61直径相适应，采用这种结构是使得标准检测圆柱体6的外圆轴线与待测件4的待测内孔5轴线重合，利用百分表7测量标准检测圆柱体6的外圆同轴度及是测量待测件4的待测内孔5同轴度，标准检测圆柱体6的外圆同轴度出现偏差即可表面待测件4的待测内孔5同轴度出现偏差。As shown in Figure 4, three centrally symmetrical blind holes 61 are evenly distributed on the outer circumference of the standard detection cylinder 6, and springs 62 are arranged in the blind holes 61, and springs 62 are arranged on the second blind holes 62. A steel ball 2 63 is fixed, and the diameter of the steel ball 2 63 is adapted to the diameter of the blind hole 61. This structure is adopted to make the outer axis of the standard detection cylinder 6 and the axis of the inner hole 5 of the test piece 4 Coincidentally, use the dial gauge 7 to measure the coaxiality of the outer circle of the cylinder 6 and measure the coaxiality of the inner hole 5 of the test piece 4, and the deviation of the outer coaxiality of the cylinder 6 in the standard detection is It can be seen that there is a deviation in the coaxiality of the inner hole 5 of the test piece 4 .
如图1所示，所述竖直底座2和圆柱套筒3内分别设置有同轴的中心柱孔10，所述中心柱孔10直径大于待测件4的待测内孔5直径，所述水平固定座上 设置有滑道，所述滑道内设置有百分表安装座8，所述百分表安装座8可沿滑道滑动，所述圆柱套筒3与竖直底座2为可拆卸连接，采用这种结构，是保证圆柱套筒3可以更具待测件4的型号进行更换，操作方便快速，同时中心柱孔10的设置是为了便于盲孔同轴度的测量，其测量方法如图2所示。As shown in Figure 1, the vertical base 2 and the cylindrical sleeve 3 are respectively provided with a coaxial central column hole 10, the diameter of the central column hole 10 is greater than the diameter of the inner hole 5 of the test piece 4, so The horizontal fixed seat is provided with a slideway, and the dial indicator mounting seat 8 is arranged in the slideway, and the dial indicator mounting seat 8 can slide along the slideway, and the cylindrical sleeve 3 and the vertical base 2 can be Disassembly and connection, adopting this structure, is to ensure that the cylindrical sleeve 3 can be replaced with the model of the test piece 4, and the operation is convenient and fast. At the same time, the setting of the central column hole 10 is to facilitate the measurement of the coaxiality of the blind hole. The method is shown in Figure 2.
如图2所示，当需要测量盲孔的同轴度时，将待测件41安装于圆柱套筒3上，选择合适的标准检测圆柱体61，将标准检测圆柱体61穿过中心柱孔10并一端置于待测件41的待测内孔5内，移动水平固定座1上的百分表7，使得百分表7与标准检测圆柱体61外圆周面接触，实现对待测件41的待测内孔5同轴度的测量。As shown in Figure 2, when it is necessary to measure the coaxiality of the blind hole, install the test piece 41 on the cylindrical sleeve 3, select an appropriate standard detection cylinder 61, and pass the standard detection cylinder 61 through the center column hole 10 and one end is placed in the inner hole 5 of the test piece 41, and the dial indicator 7 on the horizontal fixed seat 1 is moved, so that the dial indicator 7 is in contact with the outer peripheral surface of the standard detection cylinder 61, and the test piece 41 is realized. The measurement of the coaxiality of the inner hole 5 to be tested.
本实用新型技术方案在上面结合附图对实用新型进行了示例性描述，显然本实用新型具体实现并不受上述方式的限制，只要采用了本实用新型的方法构思和技术方案进行的各种非实质性改进，或未经改进将实用新型的构思和技术方案直接应用于其它场合的，均在本实用新型的保护范围之内。The technical solution of the utility model has exemplarily described the utility model above in conjunction with the accompanying drawings. Obviously, the specific implementation of the utility model is not limited by the above-mentioned method, as long as various non- Substantial improvements, or direct application of the ideas and technical solutions of the utility model to other occasions without improvement are all within the protection scope of the utility model.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620763976.9U CN205808331U (en) | 2016-07-06 | 2016-07-06 | A kind of inner bore of part coaxality measuring mechanism |
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| CN201620763976.9U CN205808331U (en) | 2016-07-06 | 2016-07-06 | A kind of inner bore of part coaxality measuring mechanism |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107152903A (en) * | 2017-07-25 | 2017-09-12 | 爱佩仪中测（成都）精密仪器有限公司 | The implementation method of quick detection cylindrical workpiece axiality |
| CN107179041A (en) * | 2017-07-25 | 2017-09-19 | 爱佩仪中测（成都）精密仪器有限公司 | The detection means of mechanical bearing part axiality |
| CN109781957A (en) * | 2017-11-12 | 2019-05-21 | 兰州城市学院 | A soil performance test tube |
| CN115077359A (en) * | 2022-06-29 | 2022-09-20 | 岚图汽车科技有限公司 | Device, system and method for detecting coaxiality of transmission shell |
-
2016
- 2016-07-06 CN CN201620763976.9U patent/CN205808331U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107152903A (en) * | 2017-07-25 | 2017-09-12 | 爱佩仪中测（成都）精密仪器有限公司 | The implementation method of quick detection cylindrical workpiece axiality |
| CN107179041A (en) * | 2017-07-25 | 2017-09-19 | 爱佩仪中测（成都）精密仪器有限公司 | The detection means of mechanical bearing part axiality |
| CN109781957A (en) * | 2017-11-12 | 2019-05-21 | 兰州城市学院 | A soil performance test tube |
| CN115077359A (en) * | 2022-06-29 | 2022-09-20 | 岚图汽车科技有限公司 | Device, system and method for detecting coaxiality of transmission shell |
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Granted publication date: 20161214 Termination date: 20170706 |