CN209763955U - A device for measuring the diameter of an arc - Google Patents
A device for measuring the diameter of an arc Download PDFInfo
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- CN209763955U CN209763955U CN201920350491.0U CN201920350491U CN209763955U CN 209763955 U CN209763955 U CN 209763955U CN 201920350491 U CN201920350491 U CN 201920350491U CN 209763955 U CN209763955 U CN 209763955U
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Abstract
本实用新型为一种测量圆弧直径的装置，包括角度盘、移动尺和固定尺，所述固定尺和所述移动尺通过转轴转动设置在所述角度盘下方，所述转轴上固定有副尺架，所述副尺架上滑动设有测量尺。本实用新型装置结构简单，加工成本低，检测过程简单，检测效率高，检测零件可大可小，可以采用不同的精度，检测原理明了，简单易懂。既可以检测完整圆也可以检测非完整圆直径，还可以检测圆环厚度。
The utility model relates to a device for measuring the diameter of an arc, which comprises an angle plate, a moving ruler and a fixed ruler. The fixed ruler and the moving ruler are arranged below the angle plate through the rotation of a rotating shaft. Ruler frame, a measuring ruler is slidably arranged on the auxiliary ruler frame. The device of the utility model has the advantages of simple structure, low processing cost, simple detection process, high detection efficiency, large or small detection parts, and different precisions, and the detection principle is clear and easy to understand. It can detect both the complete circle and the non-complete circle diameter, and can also detect the thickness of the ring.
Description
技术领域technical field
本实用新型涉及一种测量仪器，具体为测量一种圆弧的仪器。The utility model relates to a measuring instrument, in particular to an instrument for measuring an arc.
背景技术Background technique
随着科技的快速发展，制造业的进步，复杂的零件也越来越多，为了满足零件的功能需求，零件中常出现整圆与非整圆的特征， (如汽车的制动蹄)，完整圆的直径可以用游标卡尺等传统的量具检测，但是若是非完整圆直径的检测，常规的量具不容易测量，故设计本发明，以此解决上述问题。With the rapid development of science and technology and the progress of manufacturing industry, there are more and more complex parts. In order to meet the functional requirements of parts, full circle and non-full circle features often appear in parts, (such as brake shoes of automobiles), complete The diameter of a circle can be detected with traditional measuring tools such as vernier calipers, but if it is the detection of an incomplete circle diameter, conventional measuring tools are not easy to measure, so the present invention is designed to solve the above problems.
实用新型内容Utility model content
本实用新型为了解决非整圆直径测量的问题，本实用新型提供一种测量圆弧直径的装置，包括角度盘、移动尺和固定尺，所述固定尺和所述移动尺通过转轴转动设置在所述角度盘下方，所述转轴上固定有副尺架，所述副尺架上滑动设有测量尺，所述固定尺、所述移动尺和所述副尺架可以相对转动，所述固定尺上开设有槽口，所述固定尺穿过所述槽口与所述移动尺交错设置。In order to solve the problem of measuring the diameter of a non-full circle, the utility model provides a device for measuring the diameter of an arc, including an angle plate, a moving ruler and a fixed ruler, and the fixed ruler and the moving ruler are arranged on the Below the angle plate, an auxiliary ruler frame is fixed on the rotating shaft, and a measuring ruler is slid on the auxiliary ruler frame. The fixed ruler, the moving ruler and the auxiliary ruler frame can rotate relatively. A notch is provided on the ruler, and the fixed ruler is interlaced with the movable ruler through the notch.
作为优选，所述转轴位于所述固定尺和所述移动尺所述交错处，所述固定尺和所述移动尺上设有缺口。所述缺口的边缘与所述转轴的轴线在同一水平线，当固定尺和移动尺夹住工件后，方便读数。Preferably, the rotating shaft is located at the intersection of the fixed ruler and the moving ruler, and notches are provided on the fixed ruler and the moving ruler. The edge of the notch is on the same horizontal line as the axis of the rotating shaft, which is convenient for reading when the fixed ruler and the movable ruler clamp the workpiece.
进一步地，为了测量固定尺和移动尺夹住工件的夹角，所述角度盘上设有刻度，所述移动尺靠近所述角度盘的一端设有与所述刻度相对应的指针。Further, in order to measure the angle between the fixed ruler and the movable ruler clamping the workpiece, a scale is provided on the angle plate, and a pointer corresponding to the scale is provided at the end of the movable ruler close to the angle plate.
作为优选，所述角度盘上设有滑槽，所述副尺架上设有与所述滑槽对应的锁紧螺栓。当工件被夹住后，锁紧锁紧螺栓，将副尺架固定，方便后续测量。Preferably, a sliding slot is provided on the angle plate, and locking bolts corresponding to the sliding slots are provided on the auxiliary frame. When the workpiece is clamped, lock the locking bolt to fix the auxiliary scale frame for subsequent measurement.
进一步地，所述固定尺和所述移动尺上设有与所述滑槽配合的固定孔，紧定螺钉穿过所述固定孔与所述滑槽将所述固定尺和所述移动尺固定。所述紧定螺钉将固定尺和移动尺固定住，防止在测量时候转动。Further, the fixed ruler and the movable ruler are provided with a fixing hole matched with the chute, and a set screw passes through the fixing hole and the chute to fix the fixed ruler and the movable ruler . The set screw fixes the fixed ruler and the movable ruler to prevent rotation during measurement.
作为优选，所述转轴分为三段，所述转轴上段端面开设有安装槽，所述副尺架通过螺钉固定在所述安装槽内，所述转轴中段与所述角度盘配合安装，所述转轴下段与所述固定尺和所述移动尺配合安装。副尺架可以跟着转轴一起转动，从而将副尺架放在移动尺和固定尺夹角的平分线上，固定尺、移动尺和副尺架可以相对转动。Preferably, the rotating shaft is divided into three sections, the upper end surface of the rotating shaft is provided with a mounting groove, the auxiliary scale frame is fixed in the mounting groove by screws, the middle section of the rotating shaft is installed in cooperation with the angle plate, and the The lower section of the rotating shaft is fitted with the fixed ruler and the movable ruler. The auxiliary ruler frame can rotate together with the rotating shaft, so that the auxiliary ruler frame is placed on the bisector of the angle between the movable ruler and the fixed ruler, and the fixed ruler, the movable ruler and the auxiliary ruler frame can rotate relatively.
进一步地，所述副尺架上设有定位槽，所述测量尺滑动设置在所述定位槽内。测量尺可以在定位槽内移动，从而满足测量要求。Further, a positioning groove is provided on the auxiliary ruler frame, and the measuring ruler is slidably arranged in the positioning groove. The measuring ruler can move in the positioning groove to meet the measurement requirements.
作为优选，所述测量尺上设有刻度线，所述测量尺靠近所述工件的一端还设有探针。所述探针贴紧工件，可以测量工件内圆和外圆直径。Preferably, a scale line is provided on the measuring ruler, and a probe is further provided at the end of the measuring ruler close to the workpiece. The probe is close to the workpiece and can measure the inner and outer diameters of the workpiece.
有益效果：装置结构简单，加工成本低，检测过程简单，检测效率高，检测零件可大可小，可以采用不同的精度，检测原理明了，简单易懂。既可以检测完整圆也可以检测非完整圆直径，还可以检测圆环厚度。Beneficial effects: the structure of the device is simple, the processing cost is low, the detection process is simple, the detection efficiency is high, the detection parts can be large or small, different precision can be adopted, and the detection principle is clear and easy to understand. It can detect both the complete circle and the non-complete circle diameter, and can also detect the thickness of the ring.
附图说明Description of drawings
1、工件；2、角度盘；3、固定尺；4、移动尺；5、转轴；6、螺钉；1. Work piece; 2. Angle plate; 3. Fixed ruler; 4. Moving ruler; 5. Rotating shaft; 6. Screw;
7、指针；8、副尺架；9、锁紧螺栓；10、测量尺；11、探针；7. Pointer; 8. Vice ruler frame; 9. Locking bolt; 10. Measuring ruler; 11. Probe;
12、槽口；13、安装槽；14、定位槽；15、滑槽；16、紧定螺钉；12. Notch; 13. Installation groove; 14. Positioning groove; 15. Slide groove; 16. Set screw;
17、缺口；18、固定孔。17. Notch; 18. Fixing hole.
图1为本实用新型测量外圆直径示意图；Fig. 1 is a schematic diagram of measuring the outer diameter of the utility model;
图2为本实用新型测量内圆直径示意图；Fig. 2 is a schematic diagram of measuring the inner diameter of the utility model;
图3为本实用新型测量固定尺和移动尺装配示意图；Fig. 3 is the assembling schematic diagram of measuring fixed ruler and movable ruler of the utility model;
图4为本实用新型转轴示意图；Fig. 4 is the schematic diagram of the rotating shaft of the utility model;
图5为本实用新型副尺架示意图；Fig. 5 is a schematic diagram of the auxiliary ruler frame of the utility model;
图6为图1中A处放大图；Figure 6 is an enlarged view of A in Figure 1;
具体实施方式Detailed ways
如图1所示，一种测量圆弧直径的装置，包括角度盘2、移动尺4和固定尺3，所述固定尺3和所述移动尺4通过转轴5转动设置在所述角度盘2下方，为了测量固定尺3和移动尺4夹住工件 1的夹角，所述角度盘2上设有刻度，所述移动尺4上设有与所述刻度相对应的指针7。所述角度盘2上设有滑槽15，所述副尺架 8上设有与所述滑槽15对应的锁紧螺栓9，当工件1被夹住后，拧紧锁紧螺栓9，将工件1固定，同时固定尺3和移动尺4也固定，所述转轴5上固定有副尺架8，所述副尺架8上滑动设有测量尺 10。As shown in Figure 1, a device for measuring the diameter of an arc includes an angle plate 2, a moving ruler 4 and a fixed ruler 3, and the fixed ruler 3 and the moving ruler 4 are arranged on the angle disk 2 by rotating a rotating shaft 5 Below, in order to measure the angle between the fixed ruler 3 and the movable ruler 4 clamping the workpiece 1, the angle plate 2 is provided with a scale, and the movable ruler 4 is provided with a pointer 7 corresponding to the scale. The angle plate 2 is provided with a chute 15, and the auxiliary scale frame 8 is provided with a locking bolt 9 corresponding to the chute 15. When the workpiece 1 is clamped, tighten the locking bolt 9 to place the workpiece 1 is fixed, and the fixed ruler 3 and the movable ruler 4 are also fixed simultaneously. The auxiliary ruler frame 8 is fixed on the rotating shaft 5, and the measuring ruler 10 is slidably arranged on the auxiliary ruler frame 8.
1.所述固定尺3上开设有槽口12，所述移动尺4穿过所述槽口 12与所述固定尺3交错设置，所述转轴5位于所述固定尺3和所述移动尺4所述交错处，所述固定尺3和所述移动尺4上设有缺口 17，为了方便测量，所述缺口17的边缘与所述转轴5轴心在同一水平线。所述移动尺4可以绕着转轴5转动，夹持不同尺寸的工件 1。为了测量固定尺3和移动尺4夹住工件1的夹角，所述角度盘2上设有刻度，所述移动尺4上设有与所述刻度相对应的指针7。所述角度盘2上设有滑槽15，所述副尺架8上设有与所述滑槽 15对应的锁紧螺栓9。当工件1被夹住后，锁紧锁紧螺栓9，将副尺架8固定，方便后续测量。所述固定尺3和所述移动尺4上设有与所述滑槽15配合的固定孔18，紧定螺钉16穿过所述固定孔 18与所述滑槽15将所述固定尺3和所述移动尺4固定。所述转轴 5分为三段，所述转轴5上段端面开设有安装槽13，所述副尺架 8通过螺钉6固定在所述安装槽13内，所述转轴5中段与所述角度盘2配合安装，所述转轴5下段与所述固定尺3和所述移动尺4配合安装。副尺架8可以跟着转轴5一起转动，从而将副尺架8放在移动尺4和固定尺3夹角的平分线上。所述副尺架8上设有定位槽 14，所述测量尺10滑动设置在所述定位槽14内。测量尺10可以在定位槽14内移动，从而满足测量要求。所述测量尺10上设有刻度线，所述测量尺10的一端还设有探针11。所述探针11贴紧工件1，可以测量工件1内圆和外圆直径。1. The fixed ruler 3 is provided with a notch 12, the movable ruler 4 passes through the notch 12 and is interlaced with the fixed ruler 3, and the rotating shaft 5 is located between the fixed ruler 3 and the movable ruler. 4. At the intersection, the fixed ruler 3 and the movable ruler 4 are provided with notches 17. For the convenience of measurement, the edges of the notches 17 are on the same horizontal line as the axis of the rotating shaft 5. The moving ruler 4 can rotate around the rotating shaft 5 to clamp workpieces 1 of different sizes. In order to measure the angle between the fixed ruler 3 and the movable ruler 4 clamping the workpiece 1, the angle plate 2 is provided with a scale, and the movable ruler 4 is provided with a pointer 7 corresponding to the scale. The angle plate 2 is provided with a chute 15, and the auxiliary frame 8 is provided with a locking bolt 9 corresponding to the chute 15. After the workpiece 1 is clamped, lock the locking bolt 9 to fix the auxiliary ruler 8 to facilitate subsequent measurement. The fixed ruler 3 and the movable ruler 4 are provided with a fixing hole 18 cooperating with the chute 15, and a set screw 16 passes through the fixing hole 18 and the chute 15 to connect the fixed ruler 3 and The moving ruler 4 is fixed. The rotating shaft 5 is divided into three sections, the upper end surface of the rotating shaft 5 is provided with a mounting groove 13, the auxiliary scale frame 8 is fixed in the mounting groove 13 by a screw 6, the middle portion of the rotating shaft 5 is connected to the angle plate 2 Coordinated installation, the lower section of the rotating shaft 5 is cooperating with the fixed ruler 3 and the movable ruler 4. The auxiliary ruler frame 8 can rotate together with the rotating shaft 5, so that the auxiliary ruler frame 8 is placed on the bisector of the angle between the movable ruler 4 and the fixed ruler 3. The auxiliary ruler frame 8 is provided with a positioning groove 14, and the measuring ruler 10 is slidably arranged in the positioning groove 14. The measuring ruler 10 can move in the positioning groove 14, so as to meet the measurement requirements. The measuring ruler 10 is provided with a scale mark, and one end of the measuring ruler 10 is also provided with a probe 11 . The probe 11 is close to the workpiece 1 and can measure the diameter of the inner circle and outer circle of the workpiece 1 .
工作原理：working principle:
检测(1)：测量非整圆的外直径(或半径)Detection (1): Measuring the outer diameter (or radius) of a non-full circle
1.测量前，判断非整圆圆弧所对的圆心角的大概度数范围，调整固定尺3与移动尺4之间的角度；1. Before measuring, judge the approximate degree range of the central angle of the non-full circle arc, and adjust the angle between the fixed ruler 3 and the moving ruler 4;
2.确定好固定尺3与移动尺4之间的角度后，拧紧移动尺4与角度盘2之间连接的紧定螺钉16，使其角度固定为2a；2. After determining the angle between the fixed ruler 3 and the movable ruler 4, tighten the set screw 16 connected between the movable ruler 4 and the angle plate 2 to fix the angle to 2a;
3.移动副尺架8，保证副尺架8上的测量尺10在固定尺3与移动尺4的角平分线上，拧紧锁紧螺栓9，将副尺架8固定，即保证测量尺10与固定尺3、移动尺4的角度为a；3. Move the auxiliary ruler frame 8 to ensure that the measuring ruler 10 on the auxiliary ruler frame 8 is on the bisector of the angle between the fixed ruler 3 and the moving ruler 4, tighten the locking bolt 9, and fix the auxiliary ruler frame 8, that is, ensure that the measuring ruler 10 The angle with the fixed ruler 3 and the movable ruler 4 is a;
4.将待测零件放置在固定尺3与移动尺4之间，保证待测零件的外圆与固定尺3和移动尺4相切；4. Place the part to be measured between the fixed ruler 3 and the moving ruler 4 to ensure that the outer circle of the part to be measured is tangent to the fixed ruler 3 and the moving ruler 4;
5.移动测量尺10，使测量尺10的前端的轴形测量尺10与待测零件相接触；5. Move the measuring ruler 10 so that the shaft-shaped measuring ruler 10 at the front end of the measuring ruler 10 is in contact with the part to be measured;
6.拧紧旋转架上的测量架、测量尺10的锁紧螺栓9，保证测量尺10不滑动；6. Tighten the measuring frame on the rotating frame and the locking bolt 9 of the measuring ruler 10 to ensure that the measuring ruler 10 does not slide;
7.通过测量尺10与测量架上的刻度，读出测量数值b；7. Read the measurement value b through the scale on the measuring ruler 10 and the measuring frame;
8.计算：待测零件的半径 8. Calculation: the radius of the part to be measured
当待测圆的圆弧所对的圆心角度数大于120度，为了计算方便，固定尺3与移动尺4之间的角度通常取60度，即上述的待测零件的半径为R＝b，即度数即为待测圆的半径。When the center angle of the arc of the circle to be measured is greater than 120 degrees, for the convenience of calculation, the angle between the fixed ruler 3 and the movable ruler 4 is usually 60 degrees, that is, the radius of the above-mentioned parts to be measured is R=b, That is, the degree is the radius of the circle to be measured.
当待测圆的圆弧所对的圆心角度数小于120度，需要借助计算器完成计算步骤8中的数据。When the angle of the center of the arc of the circle to be measured is less than 120 degrees, it is necessary to use a calculator to complete the calculation of the data in step 8.
检测(2)：测量非完整圆环的内直径(或半径)Detection (2): Measure the inner diameter (or radius) of a non-complete ring
在完成上述检测1后，即确定圆环的外径后，保证固定尺3和移动尺4与圆环外径相切不变，移动测量尺10，使测量尺10移动到圆环内部并使内径与测量尺10相切；After completing the above detection 1, that is, after determining the outer diameter of the ring, ensure that the fixed ruler 3 and the movable ruler 4 are tangent to the outer diameter of the ring, and move the measuring ruler 10 so that the measuring ruler 10 moves to the inside of the ring and makes The inner diameter is tangent to the measuring ruler 10;
完成检测(1)的步骤6；Complete step 6 of detection (1);
通过测量尺10与测量架上的刻度，读出测量数值c；Read out the measurement value c by the scale on the measuring ruler 10 and the measuring frame;
计算：圆环的内径r＝R+b-c。Calculation: the inner diameter of the ring r=R+b-c.
Claims (8)
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| CN201920350491.0U CN209763955U (en) | 2019-03-19 | 2019-03-19 | A device for measuring the diameter of an arc |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111643232A (en) * | 2020-05-27 | 2020-09-11 | 无锡市中医医院 | Multi-angle measurer for orthopedic surgery |
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| CN111643232A (en) * | 2020-05-27 | 2020-09-11 | 无锡市中医医院 | Multi-angle measurer for orthopedic surgery |
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Granted publication date: 20191210 |